{ "contractName": "BatchExchange", "abi": [ { "constant": true, "inputs": [], "name": "IMPROVEMENT_DENOMINATOR", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "getSecondsRemainingInBatch", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "token", "type": "address" }, { "name": "amount", "type": "uint256" } ], "name": "requestWithdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "FEE_FOR_LISTING_TOKEN_IN_OWL", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "token", "type": "address" }, { "name": "amount", "type": "uint256" } ], "name": "deposit", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "AMOUNT_MINIMUM", "outputs": [ { "name": "", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "feeToken", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "uint16" } ], "name": "currentPrices", "outputs": [ { "name": "", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" }, { "name": "", "type": "uint256" } ], "name": "orders", "outputs": [ { "name": "buyToken", "type": "uint16" }, { "name": "sellToken", "type": "uint16" }, { "name": "validFrom", "type": "uint32" }, { "name": "validUntil", "type": "uint32" }, { "name": "priceNumerator", "type": "uint128" }, { "name": "priceDenominator", "type": "uint128" }, { "name": "usedAmount", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "UNLIMITED_ORDER_AMOUNT", "outputs": [ { "name": "", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "numTokens", "outputs": [ { "name": "", "type": "uint16" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" }, { "name": "", "type": "address" } ], "name": "lastCreditBatchId", "outputs": [ { "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "latestSolution", "outputs": [ { "name": "batchId", "type": "uint32" }, { "name": "solutionSubmitter", "type": "address" }, { "name": "feeReward", "type": "uint256" }, { "name": "objectiveValue", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" }, { "name": "token", "type": "address" } ], "name": "getPendingDeposit", "outputs": [ { "name": "", "type": "uint256" }, { "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" }, { "name": "token", "type": "address" } ], "name": "getPendingWithdraw", "outputs": [ { "name": "", "type": "uint256" }, { "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" }, { "name": "token", "type": "address" } ], "name": "getBalance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "FEE_DENOMINATOR", "outputs": [ { "name": "", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "outputs": [ { "name": "", "type": "uint128" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "BATCH_TIME", "outputs": [ { "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "getCurrentBatchId", "outputs": [ { "name": "", "type": "uint32" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "token", "type": "address" }, { "name": "amount", "type": "uint256" }, { "name": "batchId", "type": "uint32" } ], "name": "requestFutureWithdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" }, { "name": "token", "type": "address" } ], "name": "hasValidWithdrawRequest", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "MAX_TOKENS", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "user", "type": "address" }, { "name": "token", "type": "address" } ], "name": "withdraw", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "MAX_TOUCHED_ORDERS", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "maxTokens", "type": "uint256" }, { "name": "_feeToken", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": false, "name": "index", "type": "uint16" }, { "indexed": true, "name": "buyToken", "type": "uint16" }, { "indexed": true, "name": "sellToken", "type": "uint16" }, { "indexed": false, "name": "validFrom", "type": "uint32" }, { "indexed": false, "name": "validUntil", "type": "uint32" }, { "indexed": false, "name": "priceNumerator", "type": "uint128" }, { "indexed": false, "name": "priceDenominator", "type": "uint128" } ], "name": "OrderPlacement", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "token", "type": "address" }, { "indexed": false, "name": "id", "type": "uint16" } ], "name": "TokenListing", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": false, "name": "id", "type": "uint16" } ], "name": "OrderCancellation", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": false, "name": "id", "type": "uint16" } ], "name": "OrderDeletion", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "orderId", "type": "uint16" }, { "indexed": true, "name": "sellToken", "type": "uint16" }, { "indexed": false, "name": "buyToken", "type": "uint16" }, { "indexed": false, "name": "executedSellAmount", "type": "uint128" }, { "indexed": false, "name": "executedBuyAmount", "type": "uint128" } ], "name": "Trade", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "orderId", "type": "uint16" }, { "indexed": true, "name": "sellToken", "type": "uint16" }, { "indexed": false, "name": "buyToken", "type": "uint16" }, { "indexed": false, "name": "executedSellAmount", "type": "uint128" }, { "indexed": false, "name": "executedBuyAmount", "type": "uint128" } ], "name": "TradeReversion", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "submitter", "type": "address" }, { "indexed": false, "name": "utility", "type": "uint256" }, { "indexed": false, "name": "disregardedUtility", "type": "uint256" }, { "indexed": false, "name": "burntFees", "type": "uint256" }, { "indexed": false, "name": "lastAuctionBurntFees", "type": "uint256" }, { "indexed": false, "name": "prices", "type": "uint128[]" }, { "indexed": false, "name": "tokenIdsForPrice", "type": "uint16[]" } ], "name": "SolutionSubmission", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "user", "type": "address" }, { "indexed": true, "name": "token", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" }, { "indexed": false, "name": "batchId", "type": "uint32" } ], "name": "Deposit", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "user", "type": "address" }, { "indexed": true, "name": "token", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" }, { "indexed": false, "name": "batchId", "type": "uint32" } ], "name": "WithdrawRequest", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "user", "type": "address" }, { "indexed": true, "name": "token", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" } ], "name": "Withdraw", "type": "event" }, { "constant": false, "inputs": [ { "name": "token", "type": "address" } ], "name": "addToken", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "buyToken", "type": "uint16" }, { "name": "sellToken", "type": "uint16" }, { "name": "validUntil", "type": "uint32" }, { "name": "buyAmount", "type": "uint128" }, { "name": "sellAmount", "type": "uint128" } ], "name": "placeOrder", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "buyTokens", "type": "uint16[]" }, { "name": "sellTokens", "type": "uint16[]" }, { "name": "validFroms", "type": "uint32[]" }, { "name": "validUntils", "type": "uint32[]" }, { "name": "buyAmounts", "type": "uint128[]" }, { "name": "sellAmounts", "type": "uint128[]" } ], "name": "placeValidFromOrders", "outputs": [ { "name": "orderIds", "type": "uint16[]" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "orderIds", "type": "uint16[]" } ], "name": "cancelOrders", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "cancellations", "type": "uint16[]" }, { "name": "buyTokens", "type": "uint16[]" }, { "name": "sellTokens", "type": "uint16[]" }, { "name": "validFroms", "type": "uint32[]" }, { "name": "validUntils", "type": "uint32[]" }, { "name": "buyAmounts", "type": "uint128[]" }, { "name": "sellAmounts", "type": "uint128[]" } ], "name": "replaceOrders", "outputs": [ { "name": "", "type": "uint16[]" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "batchId", "type": "uint32" }, { "name": "claimedObjectiveValue", "type": "uint256" }, { "name": "owners", "type": "address[]" }, { "name": "orderIds", "type": "uint16[]" }, { "name": "buyVolumes", "type": "uint128[]" }, { "name": "prices", "type": "uint128[]" }, { "name": "tokenIdsForPrice", "type": "uint16[]" } ], "name": "submitSolution", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "addr", "type": "address" } ], "name": "tokenAddressToIdMap", "outputs": [ { "name": "", "type": "uint16" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "id", "type": "uint16" } ], "name": "tokenIdToAddressMap", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "addr", "type": "address" } ], "name": "hasToken", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" }, { "name": "offset", "type": "uint16" }, { "name": "pageSize", "type": "uint16" } ], "name": "getEncodedUserOrdersPaginated", "outputs": [ { "name": "elements", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "previousPageUser", "type": "address" }, { "name": "pageSize", "type": "uint16" } ], "name": "getUsersPaginated", "outputs": [ { "name": "users", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "user", "type": "address" } ], "name": "getEncodedUserOrders", "outputs": [ { "name": "elements", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "previousPageUser", "type": "address" }, { "name": "previousPageUserOffset", "type": "uint16" }, { "name": "pageSize", "type": "uint16" } ], "name": "getEncodedUsersPaginated", "outputs": [ { "name": "elements", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "getEncodedOrders", "outputs": [ { "name": "elements", "type": "bytes" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "batchId", "type": "uint32" } ], "name": "acceptingSolutions", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "getCurrentObjectiveValue", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.10+commit.5a6ea5b1\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[],\"name\":\"IMPROVEMENT_DENOMINATOR\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"getSecondsRemainingInBatch\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"getEncodedOrders\",\"outputs\":[{\"name\":\"elements\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"buyToken\",\"type\":\"uint16\"},{\"name\":\"sellToken\",\"type\":\"uint16\"},{\"name\":\"validUntil\",\"type\":\"uint32\"},{\"name\":\"buyAmount\",\"type\":\"uint128\"},{\"name\":\"sellAmount\",\"type\":\"uint128\"}],\"name\":\"placeOrder\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"batchId\",\"type\":\"uint32\"},{\"name\":\"claimedObjectiveValue\",\"type\":\"uint256\"},{\"name\":\"owners\",\"type\":\"address[]\"},{\"name\":\"orderIds\",\"type\":\"uint16[]\"},{\"name\":\"buyVolumes\",\"type\":\"uint128[]\"},{\"name\":\"prices\",\"type\":\"uint128[]\"},{\"name\":\"tokenIdsForPrice\",\"type\":\"uint16[]\"}],\"name\":\"submitSolution\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"id\",\"type\":\"uint16\"}],\"name\":\"tokenIdToAddressMap\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"token\",\"type\":\"address\"},{\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"requestWithdraw\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"FEE_FOR_LISTING_TOKEN_IN_OWL\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"previousPageUser\",\"type\":\"address\"},{\"name\":\"pageSize\",\"type\":\"uint16\"}],\"name\":\"getUsersPaginated\",\"outputs\":[{\"name\":\"users\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"token\",\"type\":\"address\"},{\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"deposit\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"orderIds\",\"type\":\"uint16[]\"}],\"name\":\"cancelOrders\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"AMOUNT_MINIMUM\",\"outputs\":[{\"name\":\"\",\"type\":\"uint128\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"feeToken\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"buyTokens\",\"type\":\"uint16[]\"},{\"name\":\"sellTokens\",\"type\":\"uint16[]\"},{\"name\":\"validFroms\",\"type\":\"uint32[]\"},{\"name\":\"validUntils\",\"type\":\"uint32[]\"},{\"name\":\"buyAmounts\",\"type\":\"uint128[]\"},{\"name\":\"sellAmounts\",\"type\":\"uint128[]\"}],\"name\":\"placeValidFromOrders\",\"outputs\":[{\"name\":\"orderIds\",\"type\":\"uint16[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"uint16\"}],\"name\":\"currentPrices\",\"outputs\":[{\"name\":\"\",\"type\":\"uint128\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"user\",\"type\":\"address\"}],\"name\":\"getEncodedUserOrders\",\"outputs\":[{\"name\":\"elements\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"},{\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"orders\",\"outputs\":[{\"name\":\"buyToken\",\"type\":\"uint16\"},{\"name\":\"sellToken\",\"type\":\"uint16\"},{\"name\":\"validFrom\",\"type\":\"uint32\"},{\"name\":\"validUntil\",\"type\":\"uint32\"},{\"name\":\"priceNumerator\",\"type\":\"uint128\"},{\"name\":\"priceDenominator\",\"type\":\"uint128\"},{\"name\":\"usedAmount\",\"type\":\"uint128\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"UNLIMITED_ORDER_AMOUNT\",\"outputs\":[{\"name\":\"\",\"type\":\"uint128\"}],\"payable\":false,\"stateMutability\":\"view\",\"ty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pe\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"MAX_TOKENS\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"user\",\"type\":\"address\"},{\"name\":\"token\",\"type\":\"address\"}],\"name\":\"withdraw\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"MAX_TOUCHED_ORDERS\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"getCurrentObjectiveValue\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"maxTokens\",\"type\":\"uint256\"},{\"name\":\"_feeToken\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"index\",\"type\":\"uint16\"},{\"indexed\":true,\"name\":\"buyToken\",\"type\":\"uint16\"},{\"indexed\":true,\"name\":\"sellToken\",\"type\":\"uint16\"},{\"indexed\":false,\"name\":\"validFrom\",\"type\":\"uint32\"},{\"indexed\":false,\"name\":\"validUntil\",\"type\":\"uint32\"},{\"indexed\":false,\"name\":\"priceNumerator\",\"type\":\"uint128\"},{\"indexed\":false,\"name\":\"priceDenominator\",\"type\":\"uint128\"}],\"name\":\"OrderPlacement\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"name\":\"token\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"id\",\"type\":\"uint16\"}],\"name\":\"TokenListing\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"id\",\"type\":\"uint16\"}],\"name\":\"OrderCancellation\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"id\",\"type\":\"uint16\"}],\"name\":\"OrderDeletion\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"orderId\",\"type\":\"uint16\"},{\"indexed\":true,\"name\":\"sellToken\",\"type\":\"uint16\"},{\"indexed\":false,\"name\":\"buyToken\",\"type\":\"uint16\"},{\"indexed\":false,\"name\":\"executedSellAmount\",\"type\":\"uint128\"},{\"indexed\":false,\"name\":\"executedBuyAmount\",\"type\":\"uint128\"}],\"name\":\"Trade\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"orderId\",\"type\":\"uint16\"},{\"indexed\":true,\"name\":\"sellToken\",\"type\":\"uint16\"},{\"indexed\":false,\"name\":\"buyToken\",\"type\":\"uint16\"},{\"indexed\":false,\"name\":\"executedSellAmount\",\"type\":\"uint128\"},{\"indexed\":false,\"name\":\"executedBuyAmount\",\"type\":\"uint128\"}],\"name\":\"TradeReversion\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"submitter\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"utility\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"disregardedUtility\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"burntFees\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"lastAuctionBurntFees\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"prices\",\"type\":\"uint128[]\"},{\"indexed\":false,\"name\":\"tokenIdsForPrice\",\"type\":\"uint16[]\"}],\"name\":\"SolutionSubmission\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"token\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"batchId\",\"type\":\"uint32\"}],\"name\":\"Deposit\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"token\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"name\":\"batchId\",\"type\":\"uint32\"}],\"name\":\"WithdrawRequest\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"token\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Withdraw\",\"type\":\"event\"}],\"devdoc\":{\"author\":\"@gnosis/dfusion-team \",\"methods\":{\"addToken(address)\":{\"details\":\"Used to list a new token on the contract: Hence, making it available for exchange in an auction.\",\"params\":{\"token\":\"ERC20 token to be listed. * Requirements: - `maxTokens` has not already been reached - `token` has not already been added\"}},\"cancelOrders(uint16[])\":{\"details\":\"a user facing function used to cancel orders. If the order is valid for the batch that is currently being solved, it sets order expiry to that batchId. Otherwise it removes it from storage. Can be called multiple times (e.g. to eventually free storage once order is expired).\",\"params\":{\"orderIds\":\"referencing the indices of user's orders to be cancelled * Emits an {OrderCancellation} or {OrderDeletion} with sender's address and orderId\"}},\"constructor\":{\"details\":\"Constructor determines exchange parameters\",\"params\":{\"_feeToken\":\"Address of ERC20 fee token.\",\"maxTokens\":\"The maximum number of tokens that can be listed.\"}},\"deposit(address,uint256)\":{\"details\":\"credits user with deposit amount on next epoch (given by getCurrentBatchId)\",\"params\":{\"amount\":\"number of token(s) to be credited to user's account * Emits an {Deposit} event with relevent deposit information. * Requirements: - token transfer to contract is successfull\",\"token\":\"address of token to be deposited\"}},\"getBalance(address,address)\":{\"details\":\"fetches and returns user's balance\",\"params\":{\"token\":\"address of ERC20 token return Current `token` balance of `user`'s account\",\"user\":\"address of user\"}},\"getCurrentBatchId()\":{\"details\":\"getter function to determine current auction id. return current batchId\"},\"getCurrentObjectiveValue()\":{\"details\":\"gets the objective value of currently winning solution.\",\"return\":\"objective function evaluation of the currently winning solution, or zero if no solution proposed.\"},\"getEncodedOrders()\":{\"details\":\"View returning all byte-encoded sell orders\",\"return\":\"encoded bytes representing all orders ordered by (user, index)\"},\"getEncodedUserOrders(address)\":{\"details\":\"View returning all byte-encoded sell orders for specified user\",\"params\":{\"user\":\"address of user whose orders are being queried\"},\"return\":\"encoded bytes representing all orders\"},\"getEncodedUserOrdersPaginated(address,uint16,uint16)\":{\"details\":\"View returning all byte-encoded sell orders for specified user\",\"params\":{\"offset\":\"uint determining the starting orderIndex\",\"pageSize\":\"uint determining the count of elements to be viewed\",\"user\":\"address of user whose orders are being queried\"},\"return\":\"encoded bytes representing all orders\"},\"getEncodedUsersPaginated(address,uint16,uint16)\":{\"details\":\"View returning byte-encoded sell orders in paginated form\",\"params\":{\"pageSize\":\"uint determining the count of orders to be returned per page\",\"previousPageUser\":\"address of last user received in the previous page (address(0) for first page)\",\"previousPageUserOffset\":\"the number of orders received for the last user on the previous page (0 for first page).\"},\"return\":\"encoded bytes representing a page of orders ordered by (user, index)\"},\"getPendingDeposit(address,address)\":{\"details\":\"getter function used to display pending deposit\",\"params\":{\"token\":\"address of ERC20 token return amount and batchId of deposit's transfer if any (else 0)\",\"user\":\"address of user\"}},\"getPendingWithdraw(address,address)\":{\"details\":\"getter function used to display pending withdraw\",\"params\":{\"token\":\"address of ERC20 token return amount and batchId when withdraw was requested if any (else 0)\",\"user\":\"address of user\"}},\"getSecondsRemainingInBatch()\":{\"details\":\"used to determine how much time is left in a batch return seconds remaining in current batch\"},\"getUsersPaginated(address,uint16)\":{\"details\":\"View returning all byte-encoded users in paginated form\",\"params\":{\"pageSize\":\"uint determining the count of users to be returned per page\",\"previousPageUser\":\"address of last user received in last pages (address(0) for first page)\"},\"return\":\"encoded packed bytes of user addresses\"},\"hasToken(address)\":{\"details\":\"View returning a bool attesting whether token was already added\",\"params\":{\"addr\":\"address of the token to be checked\"},\"return\":\"bool attesting whether token was already added\"},\"hasValidWithdrawRequest(address,address)\":{\"details\":\"Used to determine if user has a valid pending withdraw request of specific token\",\"params\":{\"token\":\"address of ERC20 token return true if `user` has valid withdraw request for `token`, otherwise false\",\"user\":\"address of user\"}},\"placeOrder(uint16,uint16,uint32,uint128,uint128)\":{\"details\":\"A user facing function used to place limit sell orders in auction with expiry defined by batchId\",\"params\":{\"buyAmount\":\"relative minimum amount of requested buy amount\",\"buyToken\":\"id of token to be bought\",\"sellAmount\":\"maximum amount of sell token to be exchanged\",\"sellToken\":\"id of token to be sold\",\"validUntil\":\"batchId representing order's expiry\"},\"return\":\"orderId defined as the index in user's order array * Emits an {OrderPlacement} event with all relevant order details.\"},\"placeValidFromOrders(uint16[],uint16[],uint32[],uint32[],uint128[],uint128[])\":{\"details\":\"A user facing function used to place limit sell orders in auction with expiry defined by batchId Note that parameters are passed as arrays and the indices correspond to each order.\",\"params\":{\"buyAmounts\":\"relative minimum amount of requested buy amounts\",\"buyTokens\":\"ids of tokens to be bought\",\"sellAmounts\":\"maximum amounts of sell token to be exchanged\",\"sellTokens\":\"ids of tokens to be sold\",\"validFroms\":\"batchIds representing order's validity start time\",\"validUntils\":\"batchIds representing order's expiry\"},\"return\":\"`orderIds` an array of indices in which `msg.sender`'s orders are included * Emits an {OrderPlacement} event with all relevant order details.\"},\"replaceOrders(uint16[],uint16[],uint16[],uint32[],uint32[],uint128[],uint128[])\":{\"details\":\"A user facing wrapper to cancel and place new orders in the same transaction.\",\"params\":{\"buyAmounts\":\"relative minimum amount of requested buy amounts in new orders\",\"buyTokens\":\"ids of tokens to be bought in new orders\",\"cancellations\":\"indices of orders to be cancelled\",\"sellAmounts\":\"maximum amounts of sell token to be exchanged in new orders\",\"sellTokens\":\"ids of tokens to be sold in new orders\",\"validFroms\":\"batchIds representing order's validity start time in new orders\",\"validUntils\":\"batchIds represnnting order's expiry in new orders\"},\"return\":\"an array of indices in which `msg.sender`'s new orders are included * Emits {OrderCancellation} events for all cancelled orders and {OrderPlacement} events with relevant new order details.\"},\"requestFutureWithdraw(address,uint256,uint32)\":{\"details\":\"Signals and initiates user's intent to withdraw.\",\"params\":{\"amount\":\"number of token(s) to be withdrawn\",\"batchId\":\"state index at which request is to be made. * Emits an {WithdrawRequest} event with relevent request information.\",\"token\":\"address of token to be withdrawn\"}},\"requestWithdraw(address,uint256)\":{\"details\":\"Signals and initiates user's intent to withdraw.\",\"params\":{\"amount\":\"number of token(s) to be withdrawn * Emits an {WithdrawRequest} event with relevent request information.\",\"token\":\"address of token to be withdrawn\"}},\"submitSolution(uint32,uint256,address[],uint16[],uint128[],uint128[],uint16[])\":{\"details\":\"a solver facing function called for auction settlement\",\"params\":{\"batchId\":\"index of auction solution is referring to\",\"buyVolumes\":\"executed buy amounts for each order identified by index of owner-orderId arrays\",\"orderIds\":\"array of order indices used in parallel with owners to identify touched order\",\"owners\":\"array of addresses corresponding to touched orders\",\"prices\":\"list of prices for touched tokens indexed by next parameter\",\"tokenIdsForPrice\":\"price[i] is the price for the token with tokenID tokenIdsForPrice[i]\"},\"return\":\"the computed objective value of the solution * Requirements: - Solutions for this `batchId` are currently being accepted. - Claimed objetive value is a great enough improvement on the current winning solution - Fee Token price is non-zero - `tokenIdsForPrice` is sorted. - Number of touched orders does not exceed `MAX_TOUCHED_ORDERS`. - Each touched order is valid at current `batchId`. - Each touched order's `executedSellAmount` does not exceed its remaining amount. - Limit Price of each touched order is respected. - Solution's objective evaluation must be positive. * Sub Requirements: Those nested within other functions - checkAndOverrideObjectiveValue; Objetive value is a great enough improvement on the current winning solution - checkTokenConservation; for all, non-fee, tokens total amount sold == total amount bought\"},\"tokenAddressToIdMap(address)\":{\"details\":\"View returning ID of listed tokens\",\"params\":{\"addr\":\"address of listed token.\"},\"return\":\"tokenId as stored within the contract.\"},\"tokenIdToAddressMap(uint16)\":{\"details\":\"View returning address of listed token by ID\",\"params\":{\"id\":\"tokenId as stored, via BiMap, within the contract.\"},\"return\":\"address of (listed) token\"},\"withdraw(address,address)\":{\"details\":\"Claims pending withdraw - can be called on behalf of others\",\"params\":{\"token\":\"address of token to be withdrawn\",\"user\":\"address of user who withdraw is being claimed. * Emits an {Withdraw} event stating that `user` withdrew `amount` of `token` * Requirements: - withdraw was requested in previous epoch - token was received from exchange in current auction batch\"}}},\"title\":\"BatchExchange - A decentralized exchange for any ERC20 token as a multi-token batch auction with uniform clearing prices. For more information visit: 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"source": "pragma solidity ^0.5.0;\n\nimport \"./EpochTokenLocker.sol\";\nimport \"@gnosis.pm/solidity-data-structures/contracts/libraries/IdToAddressBiMap.sol\";\nimport \"@gnosis.pm/solidity-data-structures/contracts/libraries/IterableAppendOnlySet.sol\";\nimport \"@gnosis.pm/owl-token/contracts/5/TokenOWL.sol\";\nimport \"@openzeppelin/contracts/utils/SafeCast.sol\";\nimport \"solidity-bytes-utils/contracts/BytesLib.sol\";\nimport \"./libraries/TokenConservation.sol\";\n\n/** @title BatchExchange - A decentralized exchange for any ERC20 token as a multi-token batch\n * auction with uniform clearing prices.\n * For more information visit: \n * @author @gnosis/dfusion-team \n */\ncontract BatchExchange is EpochTokenLocker {\n using SafeCast for uint256;\n using SafeMath for uint128;\n using BytesLib for bytes32;\n using BytesLib for bytes;\n using TokenConservation for int256[];\n using TokenConservation for uint16[];\n using IterableAppendOnlySet for IterableAppendOnlySet.Data;\n\n /** @dev Maximum number of touched orders in auction (used in submitSolution) */\n uint256 public constant MAX_TOUCHED_ORDERS = 30;\n\n /** @dev Fee charged for adding a token */\n uint256 public constant FEE_FOR_LISTING_TOKEN_IN_OWL = 10 ether;\n\n /** @dev minimum allowed value (in WEI) of any prices or executed trade amounts */\n uint128 public constant AMOUNT_MINIMUM = 10**4;\n\n /** @dev Numerator or denominator used in orders, which do not track its usedAmount*/\n uint128 public constant UNLIMITED_ORDER_AMOUNT = uint128(-1);\n\n /** Corresponds to percentage that competing solution must improve on current\n * (p = IMPROVEMENT_DENOMINATOR + 1 / IMPROVEMENT_DENOMINATOR)\n */\n uint256 public constant IMPROVEMENT_DENOMINATOR = 100; // 1%\n\n /** @dev A fixed integer used to evaluate fees as a fraction of trade execution 1/FEE_DENOMINATOR */\n uint128 public constant FEE_DENOMINATOR = 1000;\n\n /** @dev The number of bytes a single auction element is serialized into */\n uint128 public constant ENCODED_AUCTION_ELEMENT_WIDTH = 112;\n\n /** @dev maximum number of tokens that can be listed for exchange */\n // solhint-disable-next-line var-name-mixedcase\n uint256 public MAX_TOKENS;\n\n /** @dev Current number of tokens listed/available for exchange */\n uint16 public numTokens;\n\n /** @dev The feeToken of the exchange will be the OWL Token */\n TokenOWL public feeToken;\n\n /** @dev mapping of type userAddress -> List[Order] where all the user's orders are stored */\n mapping(address => Order[]) public orders;\n\n /** @dev mapping of type tokenId -> curentPrice of tokenId */\n mapping(uint16 => uint128) public currentPrices;\n\n /** @dev Sufficient information for current winning auction solution */\n SolutionData public latestSolution;\n\n // Iterable set of all users, required to collect auction information\n IterableAppendOnlySet.Data private allUsers;\n IdToAddressBiMap.Data private registeredTokens;\n\n struct Order {\n uint16 buyToken;\n uint16 sellToken;\n uint32 validFrom; // order is valid from auction collection period: validFrom inclusive\n uint32 validUntil; // order is valid till auction collection period: validUntil inclusive\n uint128 priceNumerator;\n uint128 priceDenominator;\n uint128 usedAmount; // remainingAmount = priceDenominator - usedAmount\n }\n\n struct TradeData {\n address owner;\n uint128 volume;\n uint16 orderId;\n }\n\n struct SolutionData {\n uint32 batchId;\n TradeData[] trades;\n uint16[] tokenIdsForPrice;\n address solutionSubmitter;\n uint256 feeReward;\n uint256 objectiveValue;\n }\n\n event OrderPlacement(\n address indexed owner,\n uint16 index,\n uint16 indexed buyToken,\n uint16 indexed sellToken,\n uint32 validFrom,\n uint32 validUntil,\n uint128 priceNumerator,\n uint128 priceDenominator\n );\n\n event TokenListing(address token, uint16 id);\n\n /** @dev Event emitted when an order is cancelled but still valid in the batch that is\n * currently being solved. It remains in storage but will not be tradable in any future\n * batch to be solved.\n */\n event OrderCancellation(address indexed owner, uint16 id);\n\n /** @dev Event emitted when an order is removed from storage.\n */\n event OrderDeletion(address indexed owner, uint16 id);\n\n /** @dev Event emitted when a new trade is settled\n */\n event Trade(\n address indexed owner,\n uint16 indexed orderId,\n uint16 indexed sellToken,\n // Solidity only supports three indexed arguments\n uint16 buyToken,\n uint128 executedSellAmount,\n uint128 executedBuyAmount\n );\n\n /** @dev Event emitted when an already exectued trade gets reverted\n */\n event TradeReversion(\n address indexed owner,\n uint16 indexed orderId,\n uint16 indexed sellToken,\n // Solidity only supports three indexed arguments\n uint16 buyToken,\n uint128 executedSellAmount,\n uint128 executedBuyAmount\n );\n\n /** @dev Event emitted for each solution that is submitted\n */\n event SolutionSubmission(\n address indexed submitter,\n uint256 utility,\n uint256 disregardedUtility,\n uint256 burntFees,\n uint256 lastAuctionBurntFees,\n uint128[] prices,\n uint16[] tokenIdsForPrice\n );\n\n /** @dev Constructor determines exchange parameters\n * @param maxTokens The maximum number of tokens that can be listed.\n * @param _feeToken Address of ERC20 fee token.\n */\n constructor(uint256 maxTokens, address _feeToken) public {\n // All solutions for the batches must have normalized prices. The following line sets the\n // price of OWL to 10**18 for all solutions and hence enforces a normalization.\n currentPrices[0] = 1 ether;\n MAX_TOKENS = maxTokens;\n feeToken = TokenOWL(_feeToken);\n // The burn functionallity of OWL requires an approval.\n // In the following line the approval is set for all future burn calls.\n feeToken.approve(address(this), uint256(-1));\n addToken(_feeToken); // feeToken will always have the token index 0\n }\n\n /** @dev Used to list a new token on the contract: Hence, making it available for exchange in an auction.\n * @param token ERC20 token to be listed.\n *\n * Requirements:\n * - `maxTokens` has not already been reached\n * - `token` has not already been added\n */\n function addToken(address token) public {\n require(numTokens < MAX_TOKENS, \"Max tokens reached\");\n if (numTokens > 0) {\n // Only charge fees for tokens other than the fee token itself\n feeToken.burnOWL(msg.sender, FEE_FOR_LISTING_TOKEN_IN_OWL);\n }\n require(IdToAddressBiMap.insert(registeredTokens, numTokens, token), \"Token already registered\");\n emit TokenListing(token, numTokens);\n numTokens++;\n }\n\n /** @dev A user facing function used to place limit sell orders in auction with expiry defined by batchId\n * @param buyToken id of token to be bought\n * @param sellToken id of token to be sold\n * @param validUntil batchId representing order's expiry\n * @param buyAmount relative minimum amount of requested buy amount\n * @param sellAmount maximum amount of sell token to be exchanged\n * @return orderId defined as the index in user's order array\n *\n * Emits an {OrderPlacement} event with all relevant order details.\n */\n function placeOrder(\n uint16 buyToken,\n uint16 sellToken,\n uint32 validUntil,\n uint128 buyAmount,\n uint128 sellAmount\n ) public returns (uint256) {\n return placeOrderInternal(buyToken, sellToken, getCurrentBatchId(), validUntil, buyAmount, sellAmount);\n }\n\n /** @dev A user facing function used to place limit sell orders in auction with expiry defined by batchId\n * Note that parameters are passed as arrays and the indices correspond to each order.\n * @param buyTokens ids of tokens to be bought\n * @param sellTokens ids of tokens to be sold\n * @param validFroms batchIds representing order's validity start time\n * @param validUntils batchIds representing order's expiry\n * @param buyAmounts relative minimum amount of requested buy amounts\n * @param sellAmounts maximum amounts of sell token to be exchanged\n * @return `orderIds` an array of indices in which `msg.sender`'s orders are included\n *\n * Emits an {OrderPlacement} event with all relevant order details.\n */\n function placeValidFromOrders(\n uint16[] memory buyTokens,\n uint16[] memory sellTokens,\n uint32[] memory validFroms,\n uint32[] memory validUntils,\n uint128[] memory buyAmounts,\n uint128[] memory sellAmounts\n ) public returns (uint16[] memory orderIds) {\n orderIds = new uint16[](buyTokens.length);\n for (uint256 i = 0; i < buyTokens.length; i++) {\n orderIds[i] = placeOrderInternal(\n buyTokens[i],\n sellTokens[i],\n validFroms[i],\n validUntils[i],\n buyAmounts[i],\n sellAmounts[i]\n );\n }\n }\n\n /** @dev a user facing function used to cancel orders. If the order is valid for the batch that is currently\n * being solved, it sets order expiry to that batchId. Otherwise it removes it from storage. Can be called\n * multiple times (e.g. to eventually free storage once order is expired).\n *\n * @param orderIds referencing the indices of user's orders to be cancelled\n *\n * Emits an {OrderCancellation} or {OrderDeletion} with sender's address and orderId\n */\n function cancelOrders(uint16[] memory orderIds) public {\n uint32 batchIdBeingSolved = getCurrentBatchId() - 1;\n for (uint16 i = 0; i < orderIds.length; i++) {\n if (!checkOrderValidity(orders[msg.sender][orderIds[i]], batchIdBeingSolved)) {\n delete orders[msg.sender][orderIds[i]];\n emit OrderDeletion(msg.sender, orderIds[i]);\n } else {\n orders[msg.sender][orderIds[i]].validUntil = batchIdBeingSolved;\n emit OrderCancellation(msg.sender, orderIds[i]);\n }\n }\n }\n\n /** @dev A user facing wrapper to cancel and place new orders in the same transaction.\n * @param cancellations indices of orders to be cancelled\n * @param buyTokens ids of tokens to be bought in new orders\n * @param sellTokens ids of tokens to be sold in new orders\n * @param validFroms batchIds representing order's validity start time in new orders\n * @param validUntils batchIds represnnting order's expiry in new orders\n * @param buyAmounts relative minimum amount of requested buy amounts in new orders\n * @param sellAmounts maximum amounts of sell token to be exchanged in new orders\n * @return an array of indices in which `msg.sender`'s new orders are included\n *\n * Emits {OrderCancellation} events for all cancelled orders and {OrderPlacement} events with relevant new order details.\n */\n function replaceOrders(\n uint16[] memory cancellations,\n uint16[] memory buyTokens,\n uint16[] memory sellTokens,\n uint32[] memory validFroms,\n uint32[] memory validUntils,\n uint128[] memory buyAmounts,\n uint128[] memory sellAmounts\n ) public returns (uint16[] memory) {\n cancelOrders(cancellations);\n return placeValidFromOrders(buyTokens, sellTokens, validFroms, validUntils, buyAmounts, sellAmounts);\n }\n\n /** @dev a solver facing function called for auction settlement\n * @param batchId index of auction solution is referring to\n * @param owners array of addresses corresponding to touched orders\n * @param orderIds array of order indices used in parallel with owners to identify touched order\n * @param buyVolumes executed buy amounts for each order identified by index of owner-orderId arrays\n * @param prices list of prices for touched tokens indexed by next parameter\n * @param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]\n * @return the computed objective value of the solution\n *\n * Requirements:\n * - Solutions for this `batchId` are currently being accepted.\n * - Claimed objetive value is a great enough improvement on the current winning solution\n * - Fee Token price is non-zero\n * - `tokenIdsForPrice` is sorted.\n * - Number of touched orders does not exceed `MAX_TOUCHED_ORDERS`.\n * - Each touched order is valid at current `batchId`.\n * - Each touched order's `executedSellAmount` does not exceed its remaining amount.\n * - Limit Price of each touched order is respected.\n * - Solution's objective evaluation must be positive.\n *\n * Sub Requirements: Those nested within other functions\n * - checkAndOverrideObjectiveValue; Objetive value is a great enough improvement on the current winning solution\n * - checkTokenConservation; for all, non-fee, tokens total amount sold == total amount bought\n */\n function submitSolution(\n uint32 batchId,\n uint256 claimedObjectiveValue,\n address[] memory owners,\n uint16[] memory orderIds,\n uint128[] memory buyVolumes,\n uint128[] memory prices,\n uint16[] memory tokenIdsForPrice\n ) public returns (uint256) {\n require(acceptingSolutions(batchId), \"Solutions are no longer accepted for this batch\");\n require(\n isObjectiveValueSufficientlyImproved(claimedObjectiveValue),\n \"Claimed objective doesn't sufficiently improve current solution\"\n );\n require(verifyAmountThreshold(prices), \"At least one price lower than AMOUNT_MINIMUM\");\n require(tokenIdsForPrice[0] != 0, \"Fee token has fixed price!\");\n require(tokenIdsForPrice.checkPriceOrdering(), \"prices are not ordered by tokenId\");\n require(owners.length <= MAX_TOUCHED_ORDERS, \"Solution exceeds MAX_TOUCHED_ORDERS\");\n // Further assumptions are: owners.length == orderIds.length && owners.length == buyVolumes.length\n // && prices.length == tokenIdsForPrice.length\n // These assumptions are not checked explicitly, as violations of these constraints can not be used\n // to create a beneficial situation\n uint256 lastAuctionBurntFees = burnPreviousAuctionFees();\n undoCurrentSolution();\n updateCurrentPrices(prices, tokenIdsForPrice);\n delete latestSolution.trades;\n int256[] memory tokenConservation = TokenConservation.init(tokenIdsForPrice);\n uint256 utility = 0;\n for (uint256 i = 0; i < owners.length; i++) {\n Order memory order = orders[owners[i]][orderIds[i]];\n require(checkOrderValidity(order, batchId), \"Order is invalid\");\n (uint128 executedBuyAmount, uint128 executedSellAmount) = getTradedAmounts(buyVolumes[i], order);\n require(executedBuyAmount >= AMOUNT_MINIMUM, \"buy amount less than AMOUNT_MINIMUM\");\n require(executedSellAmount >= AMOUNT_MINIMUM, \"sell amount less than AMOUNT_MINIMUM\");\n tokenConservation.updateTokenConservation(\n order.buyToken,\n order.sellToken,\n tokenIdsForPrice,\n executedBuyAmount,\n executedSellAmount\n );\n require(getRemainingAmount(order) >= executedSellAmount, \"executedSellAmount bigger than specified in order\");\n // Ensure executed price is not lower than the order price:\n // executedSellAmount / executedBuyAmount <= order.priceDenominator / order.priceNumerator\n require(\n executedSellAmount.mul(order.priceNumerator) <= executedBuyAmount.mul(order.priceDenominator),\n \"limit price not satisfied\"\n );\n // accumulate utility before updateRemainingOrder, but after limitPrice verified!\n utility = utility.add(evaluateUtility(executedBuyAmount, order));\n updateRemainingOrder(owners[i], orderIds[i], executedSellAmount);\n addBalanceAndBlockWithdrawForThisBatch(owners[i], tokenIdToAddressMap(order.buyToken), executedBuyAmount);\n emit Trade(owners[i], orderIds[i], order.sellToken, order.buyToken, executedSellAmount, executedBuyAmount);\n }\n // Perform all subtractions after additions to avoid negative values\n for (uint256 i = 0; i < owners.length; i++) {\n Order memory order = orders[owners[i]][orderIds[i]];\n (, uint128 executedSellAmount) = getTradedAmounts(buyVolumes[i], order);\n subtractBalance(owners[i], tokenIdToAddressMap(order.sellToken), executedSellAmount);\n }\n uint256 disregardedUtility = 0;\n for (uint256 i = 0; i < owners.length; i++) {\n disregardedUtility = disregardedUtility.add(evaluateDisregardedUtility(orders[owners[i]][orderIds[i]], owners[i]));\n }\n uint256 burntFees = uint256(tokenConservation.feeTokenImbalance()) / 2;\n // burntFees ensures direct trades (when available) yield better solutions than longer rings\n uint256 objectiveValue = utility.add(burntFees).sub(disregardedUtility);\n checkAndOverrideObjectiveValue(objectiveValue);\n grantRewardToSolutionSubmitter(burntFees);\n tokenConservation.checkTokenConservation();\n documentTrades(batchId, owners, orderIds, buyVolumes, tokenIdsForPrice);\n\n emit SolutionSubmission(\n msg.sender,\n utility,\n disregardedUtility,\n burntFees,\n lastAuctionBurntFees,\n prices,\n tokenIdsForPrice\n );\n return (objectiveValue);\n }\n\n /**\n * Public View Methods\n */\n /** @dev View returning ID of listed tokens\n * @param addr address of listed token.\n * @return tokenId as stored within the contract.\n */\n function tokenAddressToIdMap(address addr) public view returns (uint16) {\n return IdToAddressBiMap.getId(registeredTokens, addr);\n }\n\n /** @dev View returning address of listed token by ID\n * @param id tokenId as stored, via BiMap, within the contract.\n * @return address of (listed) token\n */\n function tokenIdToAddressMap(uint16 id) public view returns (address) {\n return IdToAddressBiMap.getAddressAt(registeredTokens, id);\n }\n\n /** @dev View returning a bool attesting whether token was already added\n * @param addr address of the token to be checked\n * @return bool attesting whether token was already added\n */\n function hasToken(address addr) public view returns (bool) {\n return IdToAddressBiMap.hasAddress(registeredTokens, addr);\n }\n\n /** @dev View returning all byte-encoded sell orders for specified user\n * @param user address of user whose orders are being queried\n * @param offset uint determining the starting orderIndex\n * @param pageSize uint determining the count of elements to be viewed\n * @return encoded bytes representing all orders\n */\n function getEncodedUserOrdersPaginated(\n address user,\n uint16 offset,\n uint16 pageSize\n ) public view returns (bytes memory elements) {\n for (uint16 i = offset; i < Math.min(orders[user].length, offset + pageSize); i++) {\n elements = elements.concat(\n encodeAuctionElement(user, getBalance(user, tokenIdToAddressMap(orders[user][i].sellToken)), orders[user][i])\n );\n }\n return elements;\n }\n\n /** @dev View returning all byte-encoded users in paginated form\n * @param previousPageUser address of last user received in last pages (address(0) for first page)\n * @param pageSize uint determining the count of users to be returned per page\n * @return encoded packed bytes of user addresses\n */\n function getUsersPaginated(address previousPageUser, uint16 pageSize) public view returns (bytes memory users) {\n if (allUsers.size == 0) {\n return users;\n }\n uint16 count = 0;\n address current = previousPageUser;\n if (current == address(0)) {\n current = allUsers.first();\n users = users.concat(abi.encodePacked(current));\n count++;\n }\n while (count < pageSize && current != allUsers.last) {\n current = allUsers.next(current);\n users = users.concat(abi.encodePacked(current));\n count++;\n }\n return users;\n }\n\n /** @dev View returning all byte-encoded sell orders for specified user\n * @param user address of user whose orders are being queried\n * @return encoded bytes representing all orders\n */\n function getEncodedUserOrders(address user) public view returns (bytes memory elements) {\n return getEncodedUserOrdersPaginated(user, 0, uint16(-1));\n }\n\n /** @dev View returning byte-encoded sell orders in paginated form\n * @param previousPageUser address of last user received in the previous page (address(0) for first page)\n * @param previousPageUserOffset the number of orders received for the last user on the previous page (0 for first page).\n * @param pageSize uint determining the count of orders to be returned per page\n * @return encoded bytes representing a page of orders ordered by (user, index)\n */\n function getEncodedUsersPaginated(\n address previousPageUser,\n uint16 previousPageUserOffset,\n uint16 pageSize\n ) public view returns (bytes memory elements) {\n if (allUsers.size == 0) {\n return elements;\n }\n uint16 currentOffset = previousPageUserOffset;\n address currentUser = previousPageUser;\n if (currentUser == address(0x0)) {\n currentUser = allUsers.first();\n }\n while (elements.length / ENCODED_AUCTION_ELEMENT_WIDTH < pageSize) {\n elements = elements.concat(\n getEncodedUserOrdersPaginated(\n currentUser,\n currentOffset,\n pageSize - uint16(elements.length / ENCODED_AUCTION_ELEMENT_WIDTH)\n )\n );\n if (currentUser == allUsers.last) {\n return elements;\n }\n currentOffset = 0;\n currentUser = allUsers.next(currentUser);\n }\n }\n\n /** @dev View returning all byte-encoded sell orders\n * @return encoded bytes representing all orders ordered by (user, index)\n */\n function getEncodedOrders() public view returns (bytes memory elements) {\n if (allUsers.size > 0) {\n address user = allUsers.first();\n bool stop = false;\n while (!stop) {\n elements = elements.concat(getEncodedUserOrders(user));\n if (user == allUsers.last) {\n stop = true;\n } else {\n user = allUsers.next(user);\n }\n }\n }\n return elements;\n }\n\n function acceptingSolutions(uint32 batchId) public view returns (bool) {\n return batchId == getCurrentBatchId() - 1 && getSecondsRemainingInBatch() >= 1 minutes;\n }\n\n /** @dev gets the objective value of currently winning solution.\n * @return objective function evaluation of the currently winning solution, or zero if no solution proposed.\n */\n function getCurrentObjectiveValue() public view returns (uint256) {\n if (latestSolution.batchId == getCurrentBatchId() - 1) {\n return latestSolution.objectiveValue;\n } else {\n return 0;\n }\n }\n\n /**\n * Private Functions\n */\n function placeOrderInternal(\n uint16 buyToken,\n uint16 sellToken,\n uint32 validFrom,\n uint32 validUntil,\n uint128 buyAmount,\n uint128 sellAmount\n ) private returns (uint16) {\n require(IdToAddressBiMap.hasId(registeredTokens, buyToken), \"Buy token must be listed\");\n require(IdToAddressBiMap.hasId(registeredTokens, sellToken), \"Sell token must be listed\");\n require(buyToken != sellToken, \"Exchange tokens not distinct\");\n require(validFrom >= getCurrentBatchId(), \"Orders can't be placed in the past\");\n orders[msg.sender].push(\n Order({\n buyToken: buyToken,\n sellToken: sellToken,\n validFrom: validFrom,\n validUntil: validUntil,\n priceNumerator: buyAmount,\n priceDenominator: sellAmount,\n usedAmount: 0\n })\n );\n uint16 orderId = (orders[msg.sender].length - 1).toUint16();\n emit OrderPlacement(msg.sender, orderId, buyToken, sellToken, validFrom, validUntil, buyAmount, sellAmount);\n allUsers.insert(msg.sender);\n return orderId;\n }\n\n /** @dev called at the end of submitSolution with a value of tokenConservation / 2\n * @param feeReward amount to be rewarded to the solver\n */\n function grantRewardToSolutionSubmitter(uint256 feeReward) private {\n latestSolution.feeReward = feeReward;\n addBalanceAndBlockWithdrawForThisBatch(msg.sender, tokenIdToAddressMap(0), feeReward);\n }\n\n /** @dev called during solution submission to burn fees from previous auction\n * @return amount of OWL burnt\n */\n function burnPreviousAuctionFees() private returns (uint256) {\n if (!currentBatchHasSolution()) {\n feeToken.burnOWL(address(this), latestSolution.feeReward);\n return latestSolution.feeReward;\n }\n return 0;\n }\n\n /** @dev Called from within submitSolution to update the token prices.\n * @param prices list of prices for touched tokens only, first price is always fee token price\n * @param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]\n */\n function updateCurrentPrices(uint128[] memory prices, uint16[] memory tokenIdsForPrice) private {\n for (uint256 i = 0; i < latestSolution.tokenIdsForPrice.length; i++) {\n currentPrices[latestSolution.tokenIdsForPrice[i]] = 0;\n }\n for (uint256 i = 0; i < tokenIdsForPrice.length; i++) {\n currentPrices[tokenIdsForPrice[i]] = prices[i];\n }\n }\n\n /** @dev Updates an order's remaing requested sell amount upon (partial) execution of a standing order\n * @param owner order's corresponding user address\n * @param orderId index of order in list of owner's orders\n * @param executedAmount proportion of order's requested sellAmount that was filled.\n */\n function updateRemainingOrder(\n address owner,\n uint16 orderId,\n uint128 executedAmount\n ) private {\n if (isOrderWithLimitedAmount(orders[owner][orderId])) {\n orders[owner][orderId].usedAmount = orders[owner][orderId].usedAmount.add(executedAmount).toUint128();\n }\n }\n\n /** @dev The inverse of updateRemainingOrder, called when reverting a solution in favour of a better one.\n * @param owner order's corresponding user address\n * @param orderId index of order in list of owner's orders\n * @param executedAmount proportion of order's requested sellAmount that was filled.\n */\n function revertRemainingOrder(\n address owner,\n uint16 orderId,\n uint128 executedAmount\n ) private {\n if (isOrderWithLimitedAmount(orders[owner][orderId])) {\n orders[owner][orderId].usedAmount = orders[owner][orderId].usedAmount.sub(executedAmount).toUint128();\n }\n }\n\n /** @dev Checks whether an order is intended to track its usedAmount\n * @param order order under inspection\n * @return true if the given order does track its usedAmount\n */\n function isOrderWithLimitedAmount(Order memory order) private pure returns (bool) {\n return order.priceNumerator != UNLIMITED_ORDER_AMOUNT && order.priceDenominator != UNLIMITED_ORDER_AMOUNT;\n }\n\n /** @dev This function writes solution information into contract storage\n * @param batchId index of referenced auction\n * @param owners array of addresses corresponding to touched orders\n * @param orderIds array of order indices used in parallel with owners to identify touched order\n * @param volumes executed buy amounts for each order identified by index of owner-orderId arrays\n * @param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]\n */\n function documentTrades(\n uint32 batchId,\n address[] memory owners,\n uint16[] memory orderIds,\n uint128[] memory volumes,\n uint16[] memory tokenIdsForPrice\n ) private {\n latestSolution.batchId = batchId;\n for (uint256 i = 0; i < owners.length; i++) {\n latestSolution.trades.push(TradeData({owner: owners[i], orderId: orderIds[i], volume: volumes[i]}));\n }\n latestSolution.tokenIdsForPrice = tokenIdsForPrice;\n latestSolution.solutionSubmitter = msg.sender;\n }\n\n /** @dev reverts all relevant contract storage relating to an overwritten auction solution.\n */\n function undoCurrentSolution() private {\n if (currentBatchHasSolution()) {\n for (uint256 i = 0; i < latestSolution.trades.length; i++) {\n address owner = latestSolution.trades[i].owner;\n uint16 orderId = latestSolution.trades[i].orderId;\n Order memory order = orders[owner][orderId];\n (, uint128 sellAmount) = getTradedAmounts(latestSolution.trades[i].volume, order);\n addBalance(owner, tokenIdToAddressMap(order.sellToken), sellAmount);\n }\n for (uint256 i = 0; i < latestSolution.trades.length; i++) {\n address owner = latestSolution.trades[i].owner;\n uint16 orderId = latestSolution.trades[i].orderId;\n Order memory order = orders[owner][orderId];\n (uint128 buyAmount, uint128 sellAmount) = getTradedAmounts(latestSolution.trades[i].volume, order);\n revertRemainingOrder(owner, orderId, sellAmount);\n subtractBalanceUnchecked(owner, tokenIdToAddressMap(order.buyToken), buyAmount);\n emit TradeReversion(owner, orderId, order.sellToken, order.buyToken, sellAmount, buyAmount);\n }\n // subtract granted fees:\n subtractBalanceUnchecked(latestSolution.solutionSubmitter, tokenIdToAddressMap(0), latestSolution.feeReward);\n }\n }\n\n /** @dev determines if value is better than currently and updates if it is.\n * @param newObjectiveValue proposed value to be updated if a great enough improvement on the current objective value\n */\n function checkAndOverrideObjectiveValue(uint256 newObjectiveValue) private {\n require(\n isObjectiveValueSufficientlyImproved(newObjectiveValue),\n \"New objective doesn't sufficiently improve current solution\"\n );\n latestSolution.objectiveValue = newObjectiveValue;\n }\n\n // Private view\n /** @dev Evaluates utility of executed trade\n * @param execBuy represents proportion of order executed (in terms of buy amount)\n * @param order the sell order whose utility is being evaluated\n * @return Utility = ((execBuy * order.sellAmt - execSell * order.buyAmt) * price.buyToken) / order.sellAmt\n */\n function evaluateUtility(uint128 execBuy, Order memory order) private view returns (uint256) {\n // Utility = ((execBuy * order.sellAmt - execSell * order.buyAmt) * price.buyToken) / order.sellAmt\n uint256 execSellTimesBuy = getExecutedSellAmount(execBuy, currentPrices[order.buyToken], currentPrices[order.sellToken])\n .mul(order.priceNumerator);\n\n uint256 roundedUtility = execBuy.sub(execSellTimesBuy.div(order.priceDenominator)).mul(currentPrices[order.buyToken]);\n uint256 utilityError = execSellTimesBuy.mod(order.priceDenominator).mul(currentPrices[order.buyToken]).div(\n order.priceDenominator\n );\n return roundedUtility.sub(utilityError);\n }\n\n /** @dev computes a measure of how much of an order was disregarded (only valid when limit price is respected)\n * @param order the sell order whose disregarded utility is being evaluated\n * @param user address of order's owner\n * @return disregardedUtility of the order (after it has been applied)\n * Note that:\n * |disregardedUtility| = (limitTerm * leftoverSellAmount) / order.sellAmount\n * where limitTerm = price.SellToken * order.sellAmt - order.buyAmt * price.buyToken / (1 - phi)\n * and leftoverSellAmount = order.sellAmt - execSellAmt\n * Balances and orders have all been updated so: sellAmount - execSellAmt == remainingAmount(order).\n * For correctness, we take the minimum of this with the user's token balance.\n */\n function evaluateDisregardedUtility(Order memory order, address user) private view returns (uint256) {\n uint256 leftoverSellAmount = Math.min(getRemainingAmount(order), getBalance(user, tokenIdToAddressMap(order.sellToken)));\n uint256 limitTermLeft = currentPrices[order.sellToken].mul(order.priceDenominator);\n uint256 limitTermRight = order.priceNumerator.mul(currentPrices[order.buyToken]).mul(FEE_DENOMINATOR).div(\n FEE_DENOMINATOR - 1\n );\n uint256 limitTerm = 0;\n if (limitTermLeft > limitTermRight) {\n limitTerm = limitTermLeft.sub(limitTermRight);\n }\n return leftoverSellAmount.mul(limitTerm).div(order.priceDenominator);\n }\n\n /** @dev Evaluates executedBuy amount based on prices and executedBuyAmout (fees included)\n * @param executedBuyAmount amount of buyToken executed for purchase in batch auction\n * @param buyTokenPrice uniform clearing price of buyToken\n * @param sellTokenPrice uniform clearing price of sellToken\n * @return executedSellAmount as expressed in Equation (2)\n * https://github.com/gnosis/dex-contracts/issues/173#issuecomment-526163117\n * execSellAmount * p[sellToken] * (1 - phi) == execBuyAmount * p[buyToken]\n * where phi = 1/FEE_DENOMINATOR\n * Note that: 1 - phi = (FEE_DENOMINATOR - 1) / FEE_DENOMINATOR\n * And so, 1/(1-phi) = FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\n * execSellAmount = (execBuyAmount * p[buyToken]) / (p[sellToken] * (1 - phi))\n * = (execBuyAmount * buyTokenPrice / sellTokenPrice) * FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\n * in order to minimize rounding errors, the order of operations is switched\n * = ((executedBuyAmount * buyTokenPrice) / (FEE_DENOMINATOR - 1)) * FEE_DENOMINATOR) / sellTokenPrice\n */\n function getExecutedSellAmount(\n uint128 executedBuyAmount,\n uint128 buyTokenPrice,\n uint128 sellTokenPrice\n ) private pure returns (uint128) {\n /* solium-disable indentation */\n return\n uint256(executedBuyAmount)\n .mul(buyTokenPrice)\n .div(FEE_DENOMINATOR - 1)\n .mul(FEE_DENOMINATOR)\n .div(sellTokenPrice)\n .toUint128();\n /* solium-enable indentation */\n }\n\n /** @dev used to determine if solution if first provided in current batch\n * @return true if `latestSolution` is storing a solution for current batch, else false\n */\n function currentBatchHasSolution() private view returns (bool) {\n return latestSolution.batchId == getCurrentBatchId() - 1;\n }\n\n // Private view\n /** @dev Compute trade execution based on executedBuyAmount and relevant token prices\n * @param executedBuyAmount executed buy amount\n * @param order contains relevant buy-sell token information\n * @return (executedBuyAmount, executedSellAmount)\n */\n function getTradedAmounts(uint128 executedBuyAmount, Order memory order) private view returns (uint128, uint128) {\n uint128 executedSellAmount = getExecutedSellAmount(\n executedBuyAmount,\n currentPrices[order.buyToken],\n currentPrices[order.sellToken]\n );\n return (executedBuyAmount, executedSellAmount);\n }\n\n /** @dev Checks that the proposed objective value is a significant enough improvement on the latest one\n * @param objectiveValue the proposed objective value to check\n * @return true if the objectiveValue is a significant enough improvement, false otherwise\n */\n function isObjectiveValueSufficientlyImproved(uint256 objectiveValue) private view returns (bool) {\n return (objectiveValue.mul(IMPROVEMENT_DENOMINATOR) > getCurrentObjectiveValue().mul(IMPROVEMENT_DENOMINATOR + 1));\n }\n\n // Private pure\n /** @dev used to determine if an order is valid for specific auction/batch\n * @param order object whose validity is in question\n * @param batchId auction index of validity\n * @return true if order is valid in auction batchId else false\n */\n function checkOrderValidity(Order memory order, uint32 batchId) private pure returns (bool) {\n return order.validFrom <= batchId && order.validUntil >= batchId;\n }\n\n /** @dev computes the remaining sell amount for a given order\n * @param order the order for which remaining amount should be calculated\n * @return the remaining sell amount\n */\n function getRemainingAmount(Order memory order) private pure returns (uint128) {\n return order.priceDenominator - order.usedAmount;\n }\n\n /** @dev called only by getEncodedOrders and used to pack auction info into bytes\n * @param user list of tokenIds\n * @param sellTokenBalance user's account balance of sell token\n * @param order a sell order\n * @return byte encoded, packed, concatenation of relevant order information\n */\n function encodeAuctionElement(\n address user,\n uint256 sellTokenBalance,\n Order memory order\n ) private pure returns (bytes memory element) {\n element = abi.encodePacked(user);\n element = element.concat(abi.encodePacked(sellTokenBalance));\n element = element.concat(abi.encodePacked(order.buyToken));\n element = element.concat(abi.encodePacked(order.sellToken));\n element = element.concat(abi.encodePacked(order.validFrom));\n element = element.concat(abi.encodePacked(order.validUntil));\n element = element.concat(abi.encodePacked(order.priceNumerator));\n element = element.concat(abi.encodePacked(order.priceDenominator));\n element = element.concat(abi.encodePacked(getRemainingAmount(order)));\n return element;\n }\n\n /** @dev determines if value is better than currently and updates if it is.\n * @param amounts array of values to be verified with AMOUNT_MINIMUM\n */\n function verifyAmountThreshold(uint128[] memory amounts) private pure returns (bool) {\n for (uint256 i = 0; i < amounts.length; i++) {\n if (amounts[i] < AMOUNT_MINIMUM) {\n return false;\n }\n }\n return true;\n }\n}\n", "sourcePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/BatchExchange.sol", "ast": { "absolutePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/BatchExchange.sol", "exportedSymbols": { "BatchExchange": [ 2226 ] }, "id": 2227, "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:0" }, { "absolutePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/EpochTokenLocker.sol", "file": "./EpochTokenLocker.sol", "id": 2, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 4189, "src": "25:32:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@gnosis.pm/solidity-data-structures/contracts/libraries/IdToAddressBiMap.sol", "file": "@gnosis.pm/solidity-data-structures/contracts/libraries/IdToAddressBiMap.sol", "id": 3, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 6490, "src": "58:86:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@gnosis.pm/solidity-data-structures/contracts/libraries/IterableAppendOnlySet.sol", "file": "@gnosis.pm/solidity-data-structures/contracts/libraries/IterableAppendOnlySet.sol", "id": 4, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 6633, "src": "145:91:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@gnosis.pm/owl-token/contracts/5/TokenOWL.sol", "file": "@gnosis.pm/owl-token/contracts/5/TokenOWL.sol", "id": 5, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 6271, "src": "237:55:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/SafeCast.sol", "file": "@openzeppelin/contracts/utils/SafeCast.sol", "id": 6, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 9805, "src": "293:52:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "solidity-bytes-utils/contracts/BytesLib.sol", "file": "solidity-bytes-utils/contracts/BytesLib.sol", "id": 7, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 10228, "src": "346:53:0", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/libraries/TokenConservation.sol", "file": "./libraries/TokenConservation.sol", "id": 8, "nodeType": "ImportDirective", "scope": 2227, "sourceUnit": 4662, "src": "400:43:0", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 9, "name": "EpochTokenLocker", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4188, "src": "779:16:0", "typeDescriptions": { "typeIdentifier": "t_contract$_EpochTokenLocker_$4188", "typeString": "contract EpochTokenLocker" } }, "id": 10, "nodeType": "InheritanceSpecifier", "src": "779:16:0" } ], "contractDependencies": [ 4188 ], "contractKind": "contract", "documentation": "@title BatchExchange - A decentralized exchange for any ERC20 token as a multi-token batch\n auction with uniform clearing prices.\n For more information visit: \n @author @gnosis/dfusion-team ", "fullyImplemented": true, "id": 2226, "linearizedBaseContracts": [ 2226, 4188 ], "name": "BatchExchange", "nodeType": "ContractDefinition", "nodes": [ { "id": 13, "libraryName": { "contractScope": null, "id": 11, "name": "SafeCast", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 9804, "src": "808:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeCast_$9804", "typeString": "library SafeCast" } }, "nodeType": "UsingForDirective", "src": "802:27:0", "typeName": { "id": 12, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "821:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "id": 16, "libraryName": { "contractScope": null, "id": 14, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8723, "src": "840:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$8723", "typeString": "library SafeMath" } }, "nodeType": "UsingForDirective", "src": "834:27:0", "typeName": { "id": 15, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "853:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } }, { "id": 19, "libraryName": { "contractScope": null, "id": 17, "name": "BytesLib", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10227, "src": "872:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BytesLib_$10227", "typeString": "library BytesLib" } }, "nodeType": "UsingForDirective", "src": "866:27:0", "typeName": { "id": 18, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "885:7:0", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } }, { "id": 22, "libraryName": { "contractScope": null, "id": 20, "name": "BytesLib", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10227, "src": "904:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BytesLib_$10227", "typeString": "library BytesLib" } }, "nodeType": "UsingForDirective", "src": "898:25:0", "typeName": { "id": 21, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "917:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, { "id": 26, "libraryName": { "contractScope": null, "id": 23, "name": "TokenConservation", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4661, "src": "934:17:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenConservation_$4661", "typeString": "library TokenConservation" } }, "nodeType": "UsingForDirective", "src": "928:37:0", "typeName": { "baseType": { "id": 24, "name": "int256", "nodeType": "ElementaryTypeName", "src": "956:6:0", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 25, "length": null, "nodeType": "ArrayTypeName", "src": "956:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_int256_$dyn_storage_ptr", "typeString": "int256[]" } } }, { "id": 30, "libraryName": { "contractScope": null, "id": 27, "name": "TokenConservation", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4661, "src": "976:17:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenConservation_$4661", "typeString": "library TokenConservation" } }, "nodeType": "UsingForDirective", "src": "970:37:0", "typeName": { "baseType": { "id": 28, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "998:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 29, "length": null, "nodeType": "ArrayTypeName", "src": "998:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } } }, { "id": 33, "libraryName": { "contractScope": null, "id": 31, "name": "IterableAppendOnlySet", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6632, "src": "1018:21:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IterableAppendOnlySet_$6632", "typeString": "library IterableAppendOnlySet" } }, "nodeType": "UsingForDirective", "src": "1012:59:0", "typeName": { "contractScope": null, "id": 32, "name": "IterableAppendOnlySet.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6500, "src": "1044:26:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage_ptr", "typeString": "struct IterableAppendOnlySet.Data" } } }, { "constant": true, "id": 36, "name": "MAX_TOUCHED_ORDERS", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1162:47:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 34, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1162:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "3330", "id": 35, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1207:2:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_30_by_1", "typeString": "int_const 30" }, "value": "30" }, "visibility": "public" }, { "constant": true, "id": 39, "name": "FEE_FOR_LISTING_TOKEN_IN_OWL", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1263:63:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 37, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "3130", "id": 38, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1318:8:0", "subdenomination": "ether", "typeDescriptions": { "typeIdentifier": "t_rational_10000000000000000000_by_1", "typeString": "int_const 10000000000000000000" }, "value": "10" }, "visibility": "public" }, { "constant": true, "id": 44, "name": "AMOUNT_MINIMUM", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1420:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 40, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1420:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" }, "id": 43, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "3130", "id": 41, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1461:2:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "34", "id": 42, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1465:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "1461:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" } }, "visibility": "public" }, { "constant": true, "id": 50, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1563:60:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 45, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1563:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 48, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "1620:2:0", "subExpression": { "argumentTypes": null, "hexValue": "31", "id": 47, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1621:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "typeDescriptions": { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } ], "id": 46, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1612:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint128_$", "typeString": "type(uint128)" }, "typeName": "uint128" }, "id": 49, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1612:11:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "visibility": "public" }, { "constant": true, "id": 53, "name": "IMPROVEMENT_DENOMINATOR", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1787:53:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 51, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1787:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "313030", "id": 52, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1837:3:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_100_by_1", "typeString": "int_const 100" }, "value": "100" }, "visibility": "public" }, { "constant": true, "id": 56, "name": "FEE_DENOMINATOR", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1958:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 54, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1958:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "hexValue": "31303030", "id": 55, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2000:4:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1000_by_1", "typeString": "int_const 1000" }, "value": "1000" }, "visibility": "public" }, { "constant": true, "id": 59, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2091:59:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 57, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "2091:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "hexValue": "313132", "id": 58, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2147:3:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_112_by_1", "typeString": "int_const 112" }, "value": "112" }, "visibility": "public" }, { "constant": false, "id": 61, "name": "MAX_TOKENS", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2282:25:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 60, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2282:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 63, "name": "numTokens", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2385:23:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 62, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "2385:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 65, "name": "feeToken", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2482:24:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" }, "typeName": { "contractScope": null, "id": 64, "name": "TokenOWL", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6270, "src": "2482:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 70, "name": "orders", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2611:41:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order[])" }, "typeName": { "id": 69, "keyType": { "id": 66, "name": "address", "nodeType": "ElementaryTypeName", "src": "2619:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "2611:27:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order[])" }, "valueType": { "baseType": { "contractScope": null, "id": 67, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "2630:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "id": 68, "length": null, "nodeType": "ArrayTypeName", "src": "2630:7:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.Order[]" } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 74, "name": "currentPrices", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2725:47:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" }, "typeName": { "id": 73, "keyType": { "id": 71, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "2733:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Mapping", "src": "2725:26:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" }, "valueType": { "id": 72, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "2743:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 76, "name": "latestSolution", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2855:34:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData" }, "typeName": { "contractScope": null, "id": 75, "name": "SolutionData", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 117, "src": "2855:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage_ptr", "typeString": "struct BatchExchange.SolutionData" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 78, "name": "allUsers", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2970:43:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data" }, "typeName": { "contractScope": null, "id": 77, "name": "IterableAppendOnlySet.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6500, "src": "2970:26:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage_ptr", "typeString": "struct IterableAppendOnlySet.Data" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 80, "name": "registeredTokens", "nodeType": "VariableDeclaration", "scope": 2226, "src": "3019:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data" }, "typeName": { "contractScope": null, "id": 79, "name": "IdToAddressBiMap.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6326, "src": "3019:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage_ptr", "typeString": "struct IdToAddressBiMap.Data" } }, "value": null, "visibility": "private" }, { "canonicalName": "BatchExchange.Order", "id": 95, "members": [ { "constant": false, "id": 82, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 95, "src": "3095:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 81, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3095:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 84, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 95, "src": "3120:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 83, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3120:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 86, "name": "validFrom", "nodeType": "VariableDeclaration", "scope": 95, "src": "3146:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 85, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3146:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 88, "name": "validUntil", "nodeType": "VariableDeclaration", "scope": 95, "src": "3242:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 87, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3242:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 90, "name": "priceNumerator", "nodeType": "VariableDeclaration", "scope": 95, "src": "3340:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 89, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3340:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 92, "name": "priceDenominator", "nodeType": "VariableDeclaration", "scope": 95, "src": "3372:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 91, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3372:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 94, "name": "usedAmount", "nodeType": "VariableDeclaration", "scope": 95, "src": "3406:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 93, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3406:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "name": "Order", "nodeType": "StructDefinition", "scope": 2226, "src": "3072:410:0", "visibility": "public" }, { "canonicalName": "BatchExchange.TradeData", "id": 102, "members": [ { "constant": false, "id": 97, "name": "owner", "nodeType": "VariableDeclaration", "scope": 102, "src": "3515:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 96, "name": "address", "nodeType": "ElementaryTypeName", "src": "3515:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 99, "name": "volume", "nodeType": "VariableDeclaration", "scope": 102, "src": "3538:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 98, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3538:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 101, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 102, "src": "3562:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 100, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3562:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "name": "TradeData", "nodeType": "StructDefinition", "scope": 2226, "src": "3488:95:0", "visibility": "public" }, { "canonicalName": "BatchExchange.SolutionData", "id": 117, "members": [ { "constant": false, "id": 104, "name": "batchId", "nodeType": "VariableDeclaration", "scope": 117, "src": "3619:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 103, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3619:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 107, "name": "trades", "nodeType": "VariableDeclaration", "scope": 117, "src": "3643:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.TradeData[]" }, "typeName": { "baseType": { "contractScope": null, "id": 105, "name": "TradeData", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 102, "src": "3643:9:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage_ptr", "typeString": "struct BatchExchange.TradeData" } }, "id": 106, "length": null, "nodeType": "ArrayTypeName", "src": "3643:11:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.TradeData[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 110, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 117, "src": "3671:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 108, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3671:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 109, "length": null, "nodeType": "ArrayTypeName", "src": "3671:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 112, "name": "solutionSubmitter", "nodeType": "VariableDeclaration", "scope": 117, "src": "3706:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 111, "name": "address", "nodeType": "ElementaryTypeName", "src": "3706:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 114, "name": "feeReward", "nodeType": "VariableDeclaration", "scope": 117, "src": "3741:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 113, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3741:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 116, "name": "objectiveValue", "nodeType": "VariableDeclaration", "scope": 117, "src": "3768:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 115, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3768:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "name": "SolutionData", "nodeType": "StructDefinition", "scope": 2226, "src": "3589:208:0", "visibility": "public" }, { "anonymous": false, "documentation": null, "id": 135, "name": "OrderPlacement", "nodeType": "EventDefinition", "parameters": { "id": 134, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 119, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 135, "src": "3833:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 118, "name": "address", "nodeType": "ElementaryTypeName", "src": "3833:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 121, "indexed": false, "name": "index", "nodeType": "VariableDeclaration", "scope": 135, "src": "3864:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 120, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3864:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 123, "indexed": true, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 135, "src": "3886:23:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 122, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3886:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 125, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 135, "src": "3919:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 124, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3919:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 127, "indexed": false, "name": "validFrom", "nodeType": "VariableDeclaration", "scope": 135, "src": "3953:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 126, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3953:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 129, "indexed": false, "name": "validUntil", "nodeType": "VariableDeclaration", "scope": 135, "src": "3979:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 128, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3979:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 131, "indexed": false, "name": "priceNumerator", "nodeType": "VariableDeclaration", "scope": 135, "src": "4006:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 130, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4006:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 133, "indexed": false, "name": "priceDenominator", "nodeType": "VariableDeclaration", "scope": 135, "src": "4038:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 132, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4038:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "3823:245:0" }, "src": "3803:266:0" }, { "anonymous": false, "documentation": null, "id": 141, "name": "TokenListing", "nodeType": "EventDefinition", "parameters": { "id": 140, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 137, "indexed": false, "name": "token", "nodeType": "VariableDeclaration", "scope": 141, "src": "4094:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 136, "name": "address", "nodeType": "ElementaryTypeName", "src": "4094:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 139, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 141, "src": "4109:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 138, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4109:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4093:26:0" }, "src": "4075:45:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an order is cancelled but still valid in the batch that is\ncurrently being solved. It remains in storage but will not be tradable in any future\nbatch to be solved.", "id": 147, "name": "OrderCancellation", "nodeType": "EventDefinition", "parameters": { "id": 146, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 147, "src": "4368:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 142, "name": "address", "nodeType": "ElementaryTypeName", "src": "4368:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 145, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 147, "src": "4391:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 144, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4391:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4367:34:0" }, "src": "4344:58:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an order is removed from storage.", "id": 153, "name": "OrderDeletion", "nodeType": "EventDefinition", "parameters": { "id": 152, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 149, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 153, "src": "4502:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 148, "name": "address", "nodeType": "ElementaryTypeName", "src": "4502:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 151, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 153, "src": "4525:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 150, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4525:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4501:34:0" }, "src": "4482:54:0" }, { "anonymous": false, "documentation": "@dev Event emitted when a new trade is settled", "id": 167, "name": "Trade", "nodeType": "EventDefinition", "parameters": { "id": 166, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 155, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 167, "src": "4626:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 154, "name": "address", "nodeType": "ElementaryTypeName", "src": "4626:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 157, "indexed": true, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 167, "src": "4657:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 156, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4657:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 159, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 167, "src": "4689:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 158, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4689:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 161, "indexed": false, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 167, "src": "4781:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 160, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4781:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 163, "indexed": false, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 167, "src": "4806:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 162, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4806:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 165, "indexed": false, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 167, "src": "4842:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 164, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4842:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "4616:257:0" }, "src": "4605:269:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an already exectued trade gets reverted", "id": 181, "name": "TradeReversion", "nodeType": "EventDefinition", "parameters": { "id": 180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 169, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 181, "src": "4990:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 168, "name": "address", "nodeType": "ElementaryTypeName", "src": "4990:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 171, "indexed": true, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 181, "src": "5021:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 170, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5021:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 173, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 181, "src": "5053:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 172, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5053:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 175, "indexed": false, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 181, "src": "5145:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 174, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5145:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 177, "indexed": false, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 181, "src": "5170:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 176, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5170:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 179, "indexed": false, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 181, "src": "5206:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 178, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5206:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "4980:257:0" }, "src": "4960:278:0" }, { "anonymous": false, "documentation": "@dev Event emitted for each solution that is submitted", "id": 199, "name": "SolutionSubmission", "nodeType": "EventDefinition", "parameters": { "id": 198, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 183, "indexed": true, "name": "submitter", "nodeType": "VariableDeclaration", "scope": 199, "src": "5349:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 182, "name": "address", "nodeType": "ElementaryTypeName", "src": "5349:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 185, "indexed": false, "name": "utility", "nodeType": "VariableDeclaration", "scope": 199, "src": "5384:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 184, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5384:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 187, "indexed": false, "name": "disregardedUtility", "nodeType": "VariableDeclaration", "scope": 199, "src": "5409:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 186, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5409:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 189, "indexed": false, "name": "burntFees", "nodeType": "VariableDeclaration", "scope": 199, "src": "5445:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 188, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5445:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 191, "indexed": false, "name": "lastAuctionBurntFees", "nodeType": "VariableDeclaration", "scope": 199, "src": "5472:28:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 190, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5472:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 194, "indexed": false, "name": "prices", "nodeType": "VariableDeclaration", "scope": 199, "src": "5510:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 192, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5510:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 193, "length": null, "nodeType": "ArrayTypeName", "src": "5510:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_storage_ptr", "typeString": "uint128[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 197, "indexed": false, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 199, "src": "5536:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 195, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5536:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 196, "length": null, "nodeType": "ArrayTypeName", "src": "5536:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "5339:228:0" }, "src": "5315:253:0" }, { "body": { "id": 238, "nodeType": "Block", "src": "5820:575:0", "statements": [ { "expression": { "argumentTypes": null, "id": 210, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 206, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "6016:13:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 208, "indexExpression": { "argumentTypes": null, "hexValue": "30", "id": 207, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6030:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "6016:16:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "31", "id": 209, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6035:7:0", "subdenomination": "ether", "typeDescriptions": { "typeIdentifier": "t_rational_1000000000000000000_by_1", "typeString": "int_const 1000000000000000000" }, "value": "1" }, "src": "6016:26:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 211, "nodeType": "ExpressionStatement", "src": "6016:26:0" }, { "expression": { "argumentTypes": null, "id": 214, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 212, "name": "MAX_TOKENS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 61, "src": "6052:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 213, "name": "maxTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "6065:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6052:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 215, "nodeType": "ExpressionStatement", "src": "6052:22:0" }, { "expression": { "argumentTypes": null, "id": 220, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 216, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6084:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 218, "name": "_feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 203, "src": "6104:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 217, "name": "TokenOWL", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6270, "src": "6095:8:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_TokenOWL_$6270_$", "typeString": "type(contract TokenOWL)" } }, "id": 219, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6095:19:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "src": "6084:30:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 221, "nodeType": "ExpressionStatement", "src": "6084:30:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 226, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10294, "src": "6293:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" } ], "id": 225, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6285:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 227, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6285:13:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 230, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "6308:2:0", "subExpression": { "argumentTypes": null, "hexValue": "31", "id": 229, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6309:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "typeDescriptions": { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } ], "id": 228, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6300:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 231, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6300:11:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 222, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6268:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 224, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 6807, "src": "6268:16:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 232, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6268:44:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 233, "nodeType": "ExpressionStatement", "src": "6268:44:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 235, "name": "_feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 203, "src": "6331:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 234, "name": "addToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 283, "src": "6322:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 236, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6322:19:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 237, "nodeType": "ExpressionStatement", "src": "6322:19:0" } ] }, "documentation": "@dev Constructor determines exchange parameters\n@param maxTokens The maximum number of tokens that can be listed.\n@param _feeToken Address of ERC20 fee token.", "id": 239, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 204, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 201, "name": "maxTokens", "nodeType": "VariableDeclaration", "scope": 239, "src": "5775:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 200, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5775:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 203, "name": "_feeToken", "nodeType": "VariableDeclaration", "scope": 239, "src": "5794:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 202, "name": "address", "nodeType": "ElementaryTypeName", "src": "5794:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "5774:38:0" }, "returnParameters": { "id": 205, "nodeType": "ParameterList", "parameters": [], "src": "5820:0:0" }, "scope": 2226, "src": "5763:632:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 282, "nodeType": "Block", "src": "6727:428:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 247, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 245, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "6745:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 246, "name": "MAX_TOKENS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 61, "src": "6757:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6745:22:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4d617820746f6b656e732072656163686564", "id": 248, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6769:20:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_14b9947d46e0b2554569c19973b701cdfb35f201a3f5beb5e896a20526ce01a7", "typeString": "literal_string \"Max tokens reached\"" }, "value": "Max tokens reached" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_14b9947d46e0b2554569c19973b701cdfb35f201a3f5beb5e896a20526ce01a7", "typeString": "literal_string \"Max tokens reached\"" } ], "id": 244, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10245, 10246 ], "referencedDeclaration": 10246, "src": "6737:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 249, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6737:53:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 250, "nodeType": "ExpressionStatement", "src": "6737:53:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "id": 253, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 251, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "6804:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 252, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6816:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6804:13:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 263, "nodeType": "IfStatement", "src": "6800:177:0", "trueBody": { "id": 262, "nodeType": "Block", "src": "6819:158:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 257, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10242, "src": "6925:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 258, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6925:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 259, "name": "FEE_FOR_LISTING_TOKEN_IN_OWL", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39, "src": "6937:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 254, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6908:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 256, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "burnOWL", "nodeType": "MemberAccess", "referencedDeclaration": 6255, "src": "6908:16:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256) external" } }, "id": 260, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6908:58:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 261, "nodeType": "ExpressionStatement", "src": "6908:58:0" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 267, "name": "registeredTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 80, "src": "7018:16:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data storage ref" } }, { "argumentTypes": null, "id": 268, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7036:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 269, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 241, "src": "7047:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data storage ref" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 265, "name": "IdToAddressBiMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6489, "src": "6994:16:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IdToAddressBiMap_$6489_$", "typeString": "type(library IdToAddressBiMap)" } }, "id": 266, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "insert", "nodeType": "MemberAccess", "referencedDeclaration": 6488, "src": "6994:23:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_nonpayable$_t_struct$_Data_$6326_storage_ptr_$_t_uint16_$_t_address_$returns$_t_bool_$", "typeString": "function (struct IdToAddressBiMap.Data storage pointer,uint16,address) returns (bool)" } }, "id": 270, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6994:59:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "546f6b656e20616c72656164792072656769737465726564", "id": 271, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7055:26:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ea414700a52192d3051efb9564a39df2d4fbeb5f4f4c66f00a6b0d737b48522b", "typeString": "literal_string \"Token already registered\"" }, "value": "Token already registered" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ea414700a52192d3051efb9564a39df2d4fbeb5f4f4c66f00a6b0d737b48522b", "typeString": "literal_string \"Token already registered\"" } ], "id": 264, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10245, 10246 ], "referencedDeclaration": 10246, "src": "6986:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 272, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6986:96:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 273, "nodeType": "ExpressionStatement", "src": "6986:96:0" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 275, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 241, "src": "7110:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 276, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7117:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 274, "name": "TokenListing", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 141, "src": "7097:12:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint16_$returns$__$", "typeString": "function (address,uint16)" } }, "id": 277, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7097:30:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 278, "nodeType": "EmitStatement", "src": "7092:35:0" }, { "expression": { "argumentTypes": null, "id": 280, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "7137:11:0", "subExpression": { "argumentTypes": null, "id": 279, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7137:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 281, "nodeType": "ExpressionStatement", "src": "7137:11:0" } ] }, "documentation": "@dev Used to list a new token on the contract: Hence, making it available for exchange in an auction.\n@param token ERC20 token to be listed.\n * Requirements:\n- `maxTokens` has not already been reached\n- `token` has not already been added", "id": 283, "implemented": true, "kind": "function", "modifiers": [], "name": "addToken", "nodeType": "FunctionDefinition", "parameters": { "id": 242, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 241, "name": "token", "nodeType": "VariableDeclaration", "scope": 283, "src": "6705:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 240, "name": "address", "nodeType": "ElementaryTypeName", "src": "6705:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "6704:15:0" }, "returnParameters": { "id": 243, "nodeType": "ParameterList", "parameters": [], "src": "6727:0:0" }, "scope": 2226, "src": "6687:468:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 308, "nodeType": "Block", "src": "7906:119:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 299, "name": "buyToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 285, "src": "7942:8:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 300, "name": "sellToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 287, "src": "7952:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 301, "name": "getCurrentBatchId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3888, "src": "7963:17:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint32_$", "typeString": "function () view returns (uint32)" } }, "id": 302, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7963:19:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, { "argumentTypes": null, "id": 303, "name": "validUntil", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 289, "src": "7984:10:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, { "argumentTypes": null, "id": 304, "name": "buyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 291, "src": "7996:9:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 305, "name": "sellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 293, "src": "8007:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint32", "typeString": "uint32" }, { "typeIdentifier": "t_uint32", "typeString": "uint32" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 298, "name": "placeOrderInternal", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1365, "src": "7923:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint16_$_t_uint16_$_t_uint32_$_t_uint32_$_t_uint128_$_t_uint128_$returns$_t_uint16_$", "typeString": "function (uint16,uint16,uint32,uint32,uint128,uint128) returns (uint16)" } }, "id": 306, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7923:95:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "functionReturnParameters": 297, "id": 307, "nodeType": "Return", "src": "7916:102:0" } ] }, "documentation": "@dev A user facing function used to place limit sell orders in auction with expiry defined by batchId\n@param buyToken id of token to be bought\n@param sellToken id of token to be sold\n@param validUntil batchId representing order's expiry\n@param buyAmount relative minimum amount of requested buy amount\n@param sellAmount maximum amount of sell token to be exchanged\n@return orderId defined as the index in user's order array\n * Emits an {OrderPlacement} event with all relevant order details.", "id": 309, "implemented": true, "kind": "function", "modifiers": [], "name": "placeOrder", "nodeType": "FunctionDefinition", "parameters": { "id": 294, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 285, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 309, "src": "7751:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 284, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "7751:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 287, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 309, "src": "7776:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 286, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "7776:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 289, "name": "validUntil", "nodeType": "VariableDeclaration", "scope": 309, "src": "7802:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 288, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "7802:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 291, "name": "buyAmount", "nodeType": "VariableDeclaration", "scope": 309, "src": "7829:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 290, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "7829:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 293, "name": "sellAmount", "nodeType": "VariableDeclaration", "scope": 309, "src": "7856:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 292, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "7856:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "7741:139:0" }, "returnParameters": { "id": 297, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 296, "name": "", "nodeType": "VariableDeclaration", "scope": 309, "src": "7897:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 295, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7897:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "7896:9:0" }, "scope": 2226, "src": "7722:303:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 380, "nodeType": "Block", "src": "9091:372:0", "statements": [ { "expression": { "argumentTypes": null, "id": 340, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 333, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 331, "src": "9101:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 337, "name": "buyTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 312, "src": "9125:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 338, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "9125:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 336, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "NewExpression", "src": "9112:12:0", "typeDescriptions": { "typeIdentifier": "t_function_objectcreation_pure$_t_uint256_$returns$_t_array$_t_uint16_$dyn_memory_$", "typeString": "function (uint256) pure returns (uint16[] memory)" }, "typeName": { "baseType": { "id": 334, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "9116:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 335, "length": null, "nodeType": "ArrayTypeName", "src": "9116:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } } }, "id": 339, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9112:30:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory", "typeString": "uint16[] memory" } }, "src": "9101:41:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 341, "nodeType": "ExpressionStatement", "src": "9101:41:0" }, { "body": { "id": 378, "nodeType": "Block", "src": "9199:258:0", "statements": [ { "expression": { "argumentTypes": null, "id": 376, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 353, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 331, "src": "9213:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 355, "indexExpression": { "argumentTypes": null, "id": 354, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 343, "src": "9222:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9213:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 357, "name": "buyTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 312, "src": "9263:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 359, "indexExpression": { "argumentTypes": null, "id": 358, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 343, "src": "9273:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9263:12:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 360, "name": "sellTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 315, "src": "9293:10:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", 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"typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 356, "name": "placeOrderInternal", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1365, "src": "9227:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint16_$_t_uint16_$_t_uint32_$_t_uint32_$_t_uint128_$_t_uint128_$returns$_t_uint16_$", "typeString": "function (uint16,uint16,uint32,uint32,uint128,uint128) returns (uint16)" } }, "id": 375, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "9227:219:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "9213:233:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 377, "nodeType": "ExpressionStatement", "src": "9213:233:0" } ] }, "condition": { "argumentTypes": null, 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"typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "9172:20:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 379, "initializationExpression": { "assignments": [ 343 ], "declarations": [ { "constant": false, "id": 343, "name": "i", "nodeType": "VariableDeclaration", "scope": 379, "src": "9157:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 342, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9157:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 345, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 344, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9169:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "9157:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 351, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "9194:3:0", "subExpression": { "argumentTypes": null, "id": 350, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 343, "src": "9194:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 352, "nodeType": "ExpressionStatement", "src": "9194:3:0" }, "nodeType": "ForStatement", "src": "9152:305:0" } ] }, "documentation": "@dev A user facing function used to place limit sell orders in auction with expiry defined by batchId\nNote that parameters are passed as arrays and the indices correspond to each order.\n@param buyTokens ids of tokens to be bought\n@param sellTokens ids of tokens to be sold\n@param validFroms batchIds representing order's validity start time\n@param validUntils batchIds representing order's expiry\n@param buyAmounts relative minimum amount of requested buy amounts\n@param sellAmounts maximum amounts of sell token to be exchanged\n@return `orderIds` an array of indices in which `msg.sender`'s orders are included\n * Emits an {OrderPlacement} event with all relevant order details.", "id": 381, "implemented": true, "kind": "function", "modifiers": [], "name": "placeValidFromOrders", "nodeType": "FunctionDefinition", "parameters": { "id": 328, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 312, "name": "buyTokens", "nodeType": "VariableDeclaration", "scope": 381, "src": "8833:25:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": 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"8940:27:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint32_$dyn_memory_ptr", "typeString": "uint32[]" }, "typeName": { "baseType": { "id": 319, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "8940:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "id": 320, "length": null, "nodeType": "ArrayTypeName", "src": "8940:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint32_$dyn_storage_ptr", "typeString": "uint32[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 324, "name": "buyAmounts", "nodeType": "VariableDeclaration", "scope": 381, "src": "8977:27:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 322, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "8977:7:0", "typeDescriptions": 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"src": "8823:225:0" }, "returnParameters": { "id": 332, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 331, "name": "orderIds", "nodeType": "VariableDeclaration", "scope": 381, "src": "9065:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 329, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "9065:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 330, "length": null, "nodeType": "ArrayTypeName", "src": "9065:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "9064:26:0" }, "scope": 2226, "src": "8794:669:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 460, "nodeType": "Block", "src": 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"typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "10094:12:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 403, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "10129:3:0", "subExpression": { "argumentTypes": null, "id": 402, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 395, "src": "10129:1:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 404, "nodeType": "ExpressionStatement", "src": "10129:3:0" }, "nodeType": "ForStatement", "src": "10089:446:0" } ] }, "documentation": "@dev a user facing function used to cancel orders. If the order is valid for the batch that is currently\nbeing solved, it sets order expiry to that batchId. Otherwise it removes it from storage. Can be called\nmultiple times (e.g. to eventually free storage once order is expired).\n * @param orderIds referencing the indices of user's orders to be cancelled\n * Emits an {OrderCancellation} or {OrderDeletion} with sender's address and orderId", "id": 461, "implemented": true, "kind": "function", "modifiers": [], "name": "cancelOrders", "nodeType": "FunctionDefinition", "parameters": { "id": 385, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 384, "name": "orderIds", "nodeType": "VariableDeclaration", "scope": 461, "src": "9985:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 382, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "9985:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 383, "length": null, "nodeType": "ArrayTypeName", "src": "9985:8:0", 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"documentation": "@dev A user facing wrapper to cancel and place new orders in the same transaction.\n@param cancellations indices of orders to be cancelled\n@param buyTokens ids of tokens to be bought in new orders\n@param sellTokens ids of tokens to be sold in new orders\n@param validFroms batchIds representing order's validity start time in new orders\n@param validUntils batchIds represnnting order's expiry in new orders\n@param buyAmounts relative minimum amount of requested buy amounts in new orders\n@param sellAmounts maximum amounts of sell token to be exchanged in new orders\n@return an array of indices in which `msg.sender`'s new orders are included\n * Emits {OrderCancellation} events for all cancelled orders and {OrderPlacement} events with relevant new order details.", "id": 502, "implemented": true, "kind": "function", "modifiers": [], "name": "replaceOrders", "nodeType": "FunctionDefinition", "parameters": { "id": 483, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 464, "name": "cancellations", "nodeType": "VariableDeclaration", "scope": 502, "src": "11425:29:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 462, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "11425:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 463, "length": null, "nodeType": "ArrayTypeName", "src": "11425:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 467, "name": "buyTokens", "nodeType": "VariableDeclaration", "scope": 502, "src": "11464:25:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 465, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "11464:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 466, "length": null, "nodeType": "ArrayTypeName", "src": "11464:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 470, "name": "sellTokens", "nodeType": "VariableDeclaration", "scope": 502, "src": "11499:26:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 468, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "11499:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 469, "length": null, "nodeType": "ArrayTypeName", "src": "11499:8:0", "typeDescriptions": { "typeIdentifier": 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"16846:51:0" }, { "assignments": [ null, 765 ], "declarations": [ null, { "constant": false, "id": 765, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 784, "src": "16914:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 764, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "16914:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 772, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 767, "name": "buyVolumes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 515, "src": "16961:10:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[] memory" } }, "id": 769, "indexExpression": { 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false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "17043:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 777, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "17023:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 780, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17023:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 781, "name": "executedSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 765, "src": "17061:18:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 773, "name": "subtractBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "16996:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 782, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16996:84:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 783, "nodeType": 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"length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "16812:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "16808:17:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 785, "initializationExpression": { "assignments": [ 742 ], "declarations": [ { "constant": false, "id": 742, "name": "i", "nodeType": "VariableDeclaration", "scope": 785, "src": "16793:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 741, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "16793:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 744, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 743, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "16805:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "16793:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 750, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "16827:3:0", "subExpression": { "argumentTypes": null, "id": 749, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 742, "src": "16827:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 751, "nodeType": "ExpressionStatement", "src": "16827:3:0" }, "nodeType": "ForStatement", "src": "16788:303:0" }, { "assignments": [ 787 ], "declarations": [ { 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"t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 813, "indexExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 810, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 512, "src": "17287:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 812, "indexExpression": { "argumentTypes": null, "id": 811, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 791, "src": "17296:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "17287:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "17269:30:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 814, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "17301:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 816, "indexExpression": { "argumentTypes": null, "id": 815, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 791, "src": "17308:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "17301:9:0", "typeDescriptions": { "typeIdentifier": "t_address", 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864, "name": "SolutionSubmission", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 199, "src": "17840:18:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_uint256_$_t_uint256_$_t_uint256_$_t_array$_t_uint128_$dyn_memory_ptr_$_t_array$_t_uint16_$dyn_memory_ptr_$returns$__$", "typeString": "function (address,uint256,uint256,uint256,uint256,uint128[] memory,uint16[] memory)" } }, "id": 873, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17840:212:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 874, "nodeType": "EmitStatement", "src": "17835:217:0" }, { "expression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 875, "name": "objectiveValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 834, "src": "18070:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 876, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "18069:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 525, "id": 877, "nodeType": "Return", "src": "18062:23:0" } ] }, "documentation": "@dev a solver facing function called for auction settlement\n@param batchId index of auction solution is referring to\n@param owners array of addresses corresponding to touched orders\n@param orderIds array of order indices used in parallel with owners to identify touched order\n@param buyVolumes executed buy amounts for each order identified by index of owner-orderId arrays\n@param prices list of prices for touched tokens indexed by next parameter\n@param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]\n@return the computed objective value of the solution\n * Requirements:\n- Solutions for this `batchId` are currently being accepted.\n- Claimed objetive value is a great enough improvement on the current winning solution\n- Fee Token price is non-zero\n- `tokenIdsForPrice` is sorted.\n- Number of touched orders does not exceed `MAX_TOUCHED_ORDERS`.\n- Each touched order is valid at current `batchId`.\n- Each touched order's `executedSellAmount` does not exceed its remaining amount.\n- Limit Price of each touched order is respected.\n- Solution's objective evaluation must be positive.\n * Sub Requirements: Those nested within other functions\n- checkAndOverrideObjectiveValue; Objetive value is a great enough improvement on the current winning solution\n- checkTokenConservation; for all, non-fee, tokens total amount sold == total amount bought", "id": 879, "implemented": true, "kind": "function", "modifiers": [], "name": "submitSolution", "nodeType": 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}, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 950, "nodeType": "ExpressionStatement", "src": "19697:3:0" }, "nodeType": "ForStatement", "src": "19619:275:0" }, { "expression": { "argumentTypes": null, "id": 978, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 930, "src": "19910:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 931, "id": 979, "nodeType": "Return", "src": "19903:15:0" } ] }, "documentation": "@dev View returning all byte-encoded sell orders for specified user\n@param user address of user whose orders are being queried\n@param offset uint determining the starting orderIndex\n@param pageSize uint determining the count of elements to be viewed\n@return encoded bytes representing all orders", "id": 981, "implemented": true, "kind": "function", "modifiers": [], "name": "getEncodedUserOrdersPaginated", 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"typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 927, "name": "pageSize", "nodeType": "VariableDeclaration", "scope": 981, "src": "19543:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 926, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "19543:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "19488:76:0" }, "returnParameters": { "id": 931, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 930, "name": "elements", "nodeType": "VariableDeclaration", "scope": 981, "src": "19586:21:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 929, "name": "bytes", "nodeType": 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"referencedDeclaration": 6600, "src": "20560:14:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Data_$6500_storage_ptr_$returns$_t_address_$bound_to$_t_struct$_Data_$6500_storage_ptr_$", "typeString": "function (struct IterableAppendOnlySet.Data storage pointer) view returns (address)" } }, "id": 1014, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20560:16:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "20550:26:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1016, "nodeType": "ExpressionStatement", "src": "20550:26:0" }, { "expression": { "argumentTypes": null, "id": 1025, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1017, "name": "users", "nodeType": "Identifier", 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"isPure": false, "lValueRequested": false, "memberName": "concat", "nodeType": "MemberAccess", "referencedDeclaration": 9822, "src": "20598:12:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,bytes memory) pure returns (bytes memory)" } }, "id": 1024, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20598:39:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "src": "20590:47:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1026, "nodeType": "ExpressionStatement", "src": "20590:47:0" }, { "expression": { "argumentTypes": null, "id": 1028, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "20651:7:0", "subExpression": { "argumentTypes": null, "id": 1027, "name": "count", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 999, "src": "20651:5:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1029, "nodeType": "ExpressionStatement", "src": "20651:7:0" } ] } }, { "body": { "id": 1060, "nodeType": "Block", "src": "20731:139:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1045, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1040, "name": "current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1003, "src": "20745:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": 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"lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "22485:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 1138, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 59, "src": "22503:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "22485:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1135, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "22478:6:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint16_$", "typeString": "type(uint16)" }, "typeName": "uint16" }, "id": 1140, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22478:55:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "22467:66:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1131, "name": "getEncodedUserOrdersPaginated", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 981, "src": "22348:29:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_uint16_$_t_uint16_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,uint16,uint16) view returns (bytes memory)" } }, "id": 1142, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22348:203:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 1129, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22315:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1130, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "concat", "nodeType": "MemberAccess", "referencedDeclaration": 9822, "src": "22315:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,bytes memory) pure returns (bytes memory)" } }, "id": 1143, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22315:250:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "src": "22304:261:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1145, "nodeType": "ExpressionStatement", "src": "22304:261:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1146, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22583:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1147, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "22598:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1148, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "last", "nodeType": "MemberAccess", "referencedDeclaration": 6497, "src": "22598:13:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "22583:28:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1153, "nodeType": "IfStatement", "src": "22579:82:0", "trueBody": { "id": 1152, "nodeType": "Block", "src": "22613:48:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1150, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22638:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 1092, "id": 1151, "nodeType": "Return", "src": "22631:15:0" } ] } }, { "expression": { "argumentTypes": null, "id": 1156, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1154, "name": "currentOffset", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1102, "src": "22674:13:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 1155, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "22690:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "22674:17:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1157, "nodeType": "ExpressionStatement", "src": "22674:17:0" }, { "expression": { "argumentTypes": null, "id": 1163, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1158, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22705:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1161, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22733:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 1159, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "22719:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1160, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "next", "nodeType": "MemberAccess", "referencedDeclaration": 6631, "src": "22719:13:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Data_$6500_storage_ptr_$_t_address_$returns$_t_address_$bound_to$_t_struct$_Data_$6500_storage_ptr_$", "typeString": "function (struct IterableAppendOnlySet.Data storage pointer,address) view returns (address)" } }, "id": 1162, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22719:26:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "22705:40:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1164, "nodeType": "ExpressionStatement", "src": "22705:40:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1127, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1125, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1122, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22230:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1123, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "22230:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 1124, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 59, "src": "22248:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "22230:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 1126, "name": "pageSize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1088, "src": "22280:8:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "22230:58:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1166, "nodeType": "WhileStatement", "src": "22223:533:0" } ] }, "documentation": "@dev View returning byte-encoded sell orders in paginated form\n@param previousPageUser address of last user received in the previous page (address(0) for first page)\n@param previousPageUserOffset the number of orders received for the last user on the previous page (0 for first page).\n@param pageSize uint determining the count of orders to be returned per page\n@return encoded bytes representing a page of orders ordered by (user, index)", "id": 1168, "implemented": true, "kind": "function", "modifiers": [], "name": "getEncodedUsersPaginated", "nodeType": "FunctionDefinition", "parameters": { "id": 1089, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1084, "name": "previousPageUser", "nodeType": "VariableDeclaration", "scope": 1168, "src": "21801:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1083, "name": "address", "nodeType": "ElementaryTypeName", "src": "21801:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1086, "name": "previousPageUserOffset", "nodeType": "VariableDeclaration", "scope": 1168, "src": "21835:29:0", "stateVariable": 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"VariableDeclaration", "scope": 1168, "src": "21917:21:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 1090, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "21917:5:0", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "21916:23:0" }, "scope": 2226, "src": "21758:1004:0", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 1222, "nodeType": "Block", "src": "22983:434:0", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "id": 1176, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1173, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "22997:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1174, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "size", "nodeType": "MemberAccess", "referencedDeclaration": 6499, "src": "22997:13:0", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 1175, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "23013:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "22997:17:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1219, "nodeType": "IfStatement", "src": "22993:393:0", "trueBody": { "id": 1218, "nodeType": "Block", "src": "23016:370:0", "statements": [ { "assignments": [ 1178 ], "declarations": [ { "constant": false, "id": 1178, "name": "user", "nodeType": "VariableDeclaration", "scope": 1218, "src": "23030:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1177, "name": "address", "nodeType": "ElementaryTypeName", "src": "23030:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1182, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 1179, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "23045:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1180, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "first", "nodeType": "MemberAccess", "referencedDeclaration": 6600, "src": "23045:14:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Data_$6500_storage_ptr_$returns$_t_address_$bound_to$_t_struct$_Data_$6500_storage_ptr_$", "typeString": "function (struct IterableAppendOnlySet.Data storage pointer) view returns (address)" } }, "id": 1181, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23045:16:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "23030:31:0" }, { "assignments": [ 1184 ], "declarations": [ { "constant": false, "id": 1184, "name": "stop", "nodeType": "VariableDeclaration", "scope": 1218, "src": "23075:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1183, "name": "bool", "nodeType": "ElementaryTypeName", "src": "23075:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "id": 1186, "initialValue": { "argumentTypes": null, "hexValue": "66616c7365", "id": 1185, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "23087:5:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "nodeType": "VariableDeclarationStatement", "src": "23075:17:0" }, { "body": { "id": 1216, "nodeType": "Block", "src": "23120:256:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1196, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1189, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1171, "src": "23138:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1193, "name": "user", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1178, "src": "23186:4:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1192, "name": "getEncodedUserOrders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1082, "src": "23165:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address) view returns (bytes memory)" } }, "id": 1194, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23165:26:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 1190, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1171, "src": "23149:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1191, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "concat", "nodeType": "MemberAccess", "referencedDeclaration": 9822, "src": "23149:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,bytes memory) pure returns (bytes memory)" } }, "id": 1195, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23149:43:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "src": "23138:54:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1197, "nodeType": "ExpressionStatement", "src": "23138:54:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1201, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, 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"expression": { "argumentTypes": null, "hexValue": "30", "id": 1409, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "26009:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 1390, "id": 1410, "nodeType": "Return", "src": "26002:8:0" } ] }, "documentation": "@dev called during solution submission to burn fees from previous auction\n@return amount of OWL burnt", "id": 1412, "implemented": true, "kind": "function", "modifiers": [], "name": "burnPreviousAuctionFees", "nodeType": "FunctionDefinition", "parameters": { "id": 1387, "nodeType": "ParameterList", "parameters": [], "src": "25795:2:0" }, "returnParameters": { "id": 1390, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1389, "name": "", "nodeType": "VariableDeclaration", "scope": 1412, "src": "25815:7:0", 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"t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 1459, "indexExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1456, "name": "tokenIdsForPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1418, "src": "26649:16:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 1458, "indexExpression": { "argumentTypes": null, "id": 1457, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1445, "src": "26666:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "26649:19:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": 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"src": "26635:46:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1464, "nodeType": "ExpressionStatement", "src": "26635:46:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1451, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1448, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1445, "src": "26587:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1449, "name": "tokenIdsForPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1418, "src": "26591:16:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 1450, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "26591:23:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "26587:27:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1466, "initializationExpression": { "assignments": [ 1445 ], "declarations": [ { "constant": false, "id": 1445, "name": "i", "nodeType": "VariableDeclaration", "scope": 1466, "src": "26572:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1444, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "26572:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1447, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1446, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "26584:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "26572:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1453, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "26616:3:0", "subExpression": { "argumentTypes": null, "id": 1452, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1445, "src": "26616:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1454, "nodeType": "ExpressionStatement", "src": "26616:3:0" }, "nodeType": "ForStatement", "src": "26567:125:0" } ] }, "documentation": "@dev Called from within submitSolution to update the token prices.\n@param prices list of prices for touched tokens only, first price is always fee token price\n@param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]", "id": 1468, "implemented": true, "kind": "function", "modifiers": [], "name": "updateCurrentPrices", "nodeType": "FunctionDefinition", "parameters": { "id": 1419, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1415, "name": "prices", "nodeType": "VariableDeclaration", "scope": 1468, "src": "26334:23:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 1413, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "26334:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1414, "length": null, "nodeType": "ArrayTypeName", "src": "26334:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_storage_ptr", "typeString": "uint128[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1418, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 1468, "src": "26359:32:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 1416, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "26359:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1417, "length": null, "nodeType": "ArrayTypeName", "src": "26359:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "26333:59:0" }, "returnParameters": { "id": 1420, "nodeType": "ParameterList", "parameters": [], "src": "26401:0:0" }, "scope": 2226, "src": "26305:393:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1505, "nodeType": "Block", "src": "27149:196:0", "statements": [ { "condition": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1478, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27188:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1480, "indexExpression": { "argumentTypes": null, "id": 1479, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1470, "src": "27195:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27188:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1482, "indexExpression": { "argumentTypes": null, "id": 1481, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1472, "src": "27202:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27188:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } ], "id": 1477, "name": "isOrderWithLimitedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1562, "src": "27163:24:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Order_$95_memory_ptr_$returns$_t_bool_$", "typeString": "function (struct BatchExchange.Order memory) pure returns (bool)" } }, "id": 1483, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27163:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1504, "nodeType": "IfStatement", "src": "27159:180:0", "trueBody": { "id": 1503, "nodeType": "Block", "src": "27213:126:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1501, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1484, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27227:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1487, "indexExpression": { "argumentTypes": null, "id": 1485, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1470, "src": "27234:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27227:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1488, "indexExpression": { "argumentTypes": null, "id": 1486, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1472, "src": "27241:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27227:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1489, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27227:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1497, "name": "executedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1474, "src": "27301:14:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1490, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27263:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1492, "indexExpression": { "argumentTypes": null, "id": 1491, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1470, "src": "27270:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27263:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1494, "indexExpression": { "argumentTypes": null, "id": 1493, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1472, "src": "27277:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27263:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1495, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27263:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1496, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 8563, "src": "27263:37:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1498, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27263:53:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "27263:63:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1500, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27263:65:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "27227:101:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1502, "nodeType": "ExpressionStatement", "src": "27227:101:0" } ] } } ] }, "documentation": "@dev Updates an order's remaing requested sell amount upon (partial) execution of a standing order\n@param owner order's corresponding user address\n@param orderId index of order in list of owner's orders\n@param executedAmount proportion of order's requested sellAmount that was filled.", "id": 1506, "implemented": true, "kind": "function", "modifiers": [], "name": "updateRemainingOrder", "nodeType": "FunctionDefinition", "parameters": { "id": 1475, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1470, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27065:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1469, "name": "address", "nodeType": "ElementaryTypeName", "src": "27065:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1472, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27088:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1471, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "27088:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1474, "name": "executedAmount", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27112:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1473, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "27112:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "27055:85:0" }, "returnParameters": { "id": 1476, "nodeType": "ParameterList", "parameters": [], "src": "27149:0:0" }, "scope": 2226, "src": "27026:319:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1543, "nodeType": "Block", "src": "27799:196:0", "statements": [ { "condition": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1516, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27838:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1518, "indexExpression": { "argumentTypes": null, "id": 1517, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27845:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27838:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1520, "indexExpression": { "argumentTypes": null, "id": 1519, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27852:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27838:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } ], "id": 1515, "name": "isOrderWithLimitedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1562, "src": "27813:24:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Order_$95_memory_ptr_$returns$_t_bool_$", "typeString": "function (struct BatchExchange.Order memory) pure returns (bool)" } }, "id": 1521, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27813:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1542, "nodeType": "IfStatement", "src": "27809:180:0", "trueBody": { "id": 1541, "nodeType": "Block", "src": "27863:126:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1539, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1522, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27877:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1525, "indexExpression": { "argumentTypes": null, "id": 1523, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27884:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27877:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1526, "indexExpression": { "argumentTypes": null, "id": 1524, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27891:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27877:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1527, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27877:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1535, "name": "executedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "27951:14:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1528, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27913:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1530, "indexExpression": { "argumentTypes": null, "id": 1529, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27920:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27913:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1532, "indexExpression": { "argumentTypes": null, "id": 1531, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27927:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27913:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1533, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27913:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1534, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 8579, "src": "27913:37:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1536, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27913:53:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1537, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "27913:63:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1538, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27913:65:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "27877:101:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1540, "nodeType": "ExpressionStatement", "src": "27877:101:0" } ] } } ] }, "documentation": "@dev The inverse of updateRemainingOrder, called when reverting a solution in favour of a better one.\n@param owner order's corresponding user address\n@param orderId index of order in list of owner's orders\n@param executedAmount proportion of order's requested sellAmount that was filled.", "id": 1544, "implemented": true, "kind": "function", "modifiers": [], "name": "revertRemainingOrder", "nodeType": "FunctionDefinition", "parameters": { "id": 1513, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1508, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27715:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1507, "name": "address", "nodeType": "ElementaryTypeName", "src": "27715:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1510, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27738:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1509, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "27738:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1512, "name": "executedAmount", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27762:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1511, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "27762:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "27705:85:0" }, "returnParameters": { "id": 1514, "nodeType": "ParameterList", "parameters": [], "src": "27799:0:0" }, "scope": 2226, "src": "27676:319:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1561, "nodeType": "Block", "src": "28272:122:0", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 1559, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1554, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1551, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1546, "src": "28289:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1552, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceNumerator", "nodeType": "MemberAccess", "referencedDeclaration": 90, "src": "28289:20:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1553, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 50, "src": "28313:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "28289:46:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1558, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1555, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1546, "src": "28339:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1556, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "28339:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1557, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 50, "src": "28365:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "28339:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "28289:98:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 1550, "id": 1560, "nodeType": "Return", "src": "28282:105:0" } ] }, "documentation": "@dev Checks whether an order is intended to track its usedAmount\n@param order order under inspection\n@return true if the given order does track its usedAmount", "id": 1562, "implemented": true, "kind": "function", "modifiers": [], "name": "isOrderWithLimitedAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 1547, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1546, "name": "order", "nodeType": "VariableDeclaration", "scope": 1562, "src": "28224:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1545, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "28224:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "src": "28223:20:0" }, "returnParameters": { "id": 1550, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1549, "name": "", "nodeType": "VariableDeclaration", "scope": 1562, "src": "28266:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1548, "name": "bool", "nodeType": "ElementaryTypeName", "src": "28266:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "28265:6:0" }, "scope": 2226, "src": "28190:204:0", "stateMutability": "pure", "superFunction": null, "visibility": "private" }, { "body": { "id": 1629, "nodeType": "Block", "src": "29115:341:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1583, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1579, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29125:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1581, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "batchId", "nodeType": "MemberAccess", "referencedDeclaration": 104, "src": "29125:22:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1582, "name": "batchId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1564, "src": "29150:7:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "src": "29125:32:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "id": 1584, "nodeType": "ExpressionStatement", "src": "29125:32:0" }, { "body": { "id": 1614, "nodeType": "Block", "src": "29211:124:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1602, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1567, "src": "29270:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1604, "indexExpression": { "argumentTypes": null, "id": 1603, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29277:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29270:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1605, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1570, "src": "29290:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 1607, "indexExpression": { "argumentTypes": null, "id": 1606, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29299:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29290:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1608, "name": "volumes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1573, "src": "29311:7:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[] memory" } }, "id": 1610, "indexExpression": { "argumentTypes": null, "id": 1609, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29319:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29311:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1601, "name": "TradeData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 102, "src": "29252:9:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_TradeData_$102_storage_ptr_$", "typeString": "type(struct BatchExchange.TradeData storage pointer)" } }, "id": 1611, "isConstant": false, "isLValue": false, "isPure": false, "kind": "structConstructorCall", "lValueRequested": false, "names": [ "owner", "orderId", "volume" ], "nodeType": "FunctionCall", "src": "29252:71:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_memory", "typeString": "struct BatchExchange.TradeData memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_TradeData_$102_memory", "typeString": "struct BatchExchange.TradeData memory" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1596, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29225:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1599, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29225:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1600, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "push", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29225:26:0", "typeDescriptions": { "typeIdentifier": "t_function_arraypush_nonpayable$_t_struct$_TradeData_$102_storage_$returns$_t_uint256_$", "typeString": "function (struct BatchExchange.TradeData storage ref) returns (uint256)" } }, "id": 1612, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29225:99:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1613, "nodeType": "ExpressionStatement", "src": "29225:99:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1592, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1589, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29187:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1590, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1567, "src": "29191:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1591, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29191:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "29187:17:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1615, "initializationExpression": { "assignments": [ 1586 ], "declarations": [ { "constant": false, "id": 1586, "name": "i", "nodeType": "VariableDeclaration", "scope": 1615, "src": "29172:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1585, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "29172:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1588, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1587, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "29184:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "29172:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1594, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "29206:3:0", "subExpression": { "argumentTypes": null, "id": 1593, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29206:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1595, "nodeType": "ExpressionStatement", "src": "29206:3:0" }, "nodeType": "ForStatement", "src": "29167:168:0" }, { "expression": { "argumentTypes": null, "id": 1620, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1616, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29344:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1618, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "tokenIdsForPrice", "nodeType": "MemberAccess", "referencedDeclaration": 110, "src": "29344:31:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage", "typeString": "uint16[] storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1619, "name": "tokenIdsForPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1576, "src": "29378:16:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "src": "29344:50:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage", "typeString": "uint16[] storage ref" } }, "id": 1621, "nodeType": "ExpressionStatement", "src": "29344:50:0" }, { "expression": { "argumentTypes": null, "id": 1627, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1622, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29404:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1624, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "solutionSubmitter", "nodeType": "MemberAccess", "referencedDeclaration": 112, "src": "29404:32:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1625, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10242, "src": "29439:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 1626, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29439:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "29404:45:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1628, "nodeType": "ExpressionStatement", "src": "29404:45:0" } ] }, "documentation": "@dev This function writes solution information into contract storage\n@param batchId index of referenced auction\n@param owners array of addresses corresponding to touched orders\n@param orderIds array of order indices used in parallel with owners to identify touched order\n@param volumes executed buy amounts for each order identified by index of owner-orderId arrays\n@param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]", "id": 1630, "implemented": true, "kind": "function", "modifiers": [], "name": "documentTrades", "nodeType": "FunctionDefinition", "parameters": { "id": 1577, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1564, "name": "batchId", "nodeType": "VariableDeclaration", "scope": 1630, "src": "28943:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 1563, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "28943:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1567, "name": "owners", "nodeType": "VariableDeclaration", "scope": 1630, "src": "28967:23:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[]" }, "typeName": { "baseType": { "id": 1565, "name": "address", "nodeType": "ElementaryTypeName", "src": "28967:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1566, "length": null, "nodeType": "ArrayTypeName", "src": "28967:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1570, "name": "orderIds", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29000:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 1568, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29000:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1569, "length": null, "nodeType": "ArrayTypeName", "src": "29000:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1573, "name": "volumes", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29034:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 1571, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "29034:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1572, "length": null, "nodeType": "ArrayTypeName", "src": "29034:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_storage_ptr", "typeString": "uint128[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1576, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29068:32:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 1574, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29068:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1575, "length": null, "nodeType": "ArrayTypeName", "src": "29068:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "28933:173:0" }, "returnParameters": { "id": 1578, "nodeType": "ParameterList", "parameters": [], "src": "29115:0:0" }, "scope": 2226, "src": "28910:546:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1782, "nodeType": "Block", "src": "29605:1348:0", "statements": [ { "condition": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1633, "name": "currentBatchHasSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1997, "src": "29619:23:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 1634, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29619:25:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1781, "nodeType": "IfStatement", "src": "29615:1332:0", "trueBody": { "id": 1780, "nodeType": "Block", "src": "29646:1301:0", "statements": [ { "body": { "id": 1691, "nodeType": "Block", "src": "29719:391:0", "statements": [ { "assignments": [ 1648 ], "declarations": [ { "constant": false, "id": 1648, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29737:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1647, "name": "address", "nodeType": "ElementaryTypeName", "src": "29737:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1654, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1649, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29753:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1650, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29753:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1652, "indexExpression": { "argumentTypes": null, "id": 1651, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29775:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29753:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1653, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 97, "src": "29753:30:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "29737:46:0" }, { "assignments": [ 1656 ], "declarations": [ { "constant": false, "id": 1656, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29801:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1655, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29801:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "id": 1662, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1657, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29818:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1658, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29818:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1660, "indexExpression": { "argumentTypes": null, "id": 1659, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29840:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29818:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1661, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "orderId", "nodeType": "MemberAccess", "referencedDeclaration": 101, "src": "29818:32:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "VariableDeclarationStatement", "src": "29801:49:0" }, { "assignments": [ 1664 ], "declarations": [ { "constant": false, "id": 1664, "name": "order", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29868:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1663, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "29868:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "id": 1670, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1665, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "29889:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1667, "indexExpression": { "argumentTypes": null, "id": 1666, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1648, "src": "29896:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29889:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1669, "indexExpression": { "argumentTypes": null, "id": 1668, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1656, "src": "29903:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29889:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "29868:43:0" }, { "assignments": [ null, 1672 ], "declarations": [ null, { "constant": false, "id": 1672, "name": "sellAmount", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29932:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1671, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "29932:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 1681, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1674, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29971:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1675, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29971:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1677, "indexExpression": { "argumentTypes": null, "id": 1676, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29993:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29971:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1678, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "volume", "nodeType": "MemberAccess", "referencedDeclaration": 99, "src": "29971:31:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 1679, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1664, "src": "30004:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 1673, "name": "getTradedAmounts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2027, "src": "29954:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint128_$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$_t_uint128_$", "typeString": "function (uint128,struct BatchExchange.Order memory) view returns (uint128,uint128)" } }, "id": 1680, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29954:56:0", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint128_$_t_uint128_$", "typeString": "tuple(uint128,uint128)" } }, "nodeType": "VariableDeclarationStatement", "src": "29929:81:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1683, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1648, "src": "30039:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1685, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1664, "src": "30066:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1686, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "30066:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1684, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "30046:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 1687, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30046:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1688, "name": "sellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1672, "src": "30084:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1682, "name": "addBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4070, "src": "30028:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 1689, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30028:67:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1690, "nodeType": "ExpressionStatement", "src": "30028:67:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1643, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1639, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29680:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1640, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29684:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1641, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29684:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1642, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29684:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "29680:32:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1692, "initializationExpression": { "assignments": [ 1636 ], "declarations": [ { "constant": false, "id": 1636, "name": "i", "nodeType": "VariableDeclaration", "scope": 1692, "src": "29665:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1635, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "29665:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1638, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1637, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "29677:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "29665:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1645, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "29714:3:0", "subExpression": { "argumentTypes": null, "id": 1644, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29714:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1646, "nodeType": "ExpressionStatement", "src": "29714:3:0" }, "nodeType": "ForStatement", "src": "29660:450:0" }, { "body": { "id": 1768, "nodeType": "Block", "src": "30182:595:0", "statements": [ { "assignments": [ 1706 ], "declarations": [ { "constant": false, "id": 1706, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30200:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1705, "name": "address", "nodeType": "ElementaryTypeName", "src": "30200:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1712, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1707, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30216:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1708, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "30216:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1710, "indexExpression": { "argumentTypes": null, "id": 1709, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30238:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30216:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1711, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 97, "src": "30216:30:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "30200:46:0" }, { "assignments": [ 1714 ], "declarations": [ { "constant": false, "id": 1714, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30264:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1713, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "30264:6:0", "typeDescriptions": { 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"name": "uint128", "nodeType": "ElementaryTypeName", "src": "30412:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 1741, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1734, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30451:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1735, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "30451:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1737, "indexExpression": { "argumentTypes": null, "id": 1736, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30473:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30451:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1738, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "volume", "nodeType": "MemberAccess", "referencedDeclaration": 99, "src": "30451:31:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 1739, "name": "order", "nodeType": "Identifier", 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"argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1742, "name": "revertRemainingOrder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1544, "src": "30508:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint16_$_t_uint128_$returns$__$", "typeString": "function (address,uint16,uint128)" } }, "id": 1746, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30508:48:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1747, "nodeType": "ExpressionStatement", "src": "30508:48:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1749, "name": "owner", "nodeType": "Identifier", 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"orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1714, "src": "30698:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1760, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1722, "src": "30707:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1761, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "30707:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1762, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1722, "src": 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"30671:91:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1701, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1697, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30143:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1698, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30147:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1699, "isConstant": false, "isLValue": true, 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"t_uint256", "typeString": "uint256" }, "typeName": { "id": 1693, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "30128:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1696, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1695, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "30140:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "30128:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1703, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "30177:3:0", "subExpression": { "argumentTypes": null, "id": 1702, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30177:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1704, "nodeType": "ExpressionStatement", "src": "30177:3:0" }, "nodeType": "ForStatement", "src": "30123:654:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1771, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30853:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1772, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "solutionSubmitter", "nodeType": "MemberAccess", "referencedDeclaration": 112, "src": "30853:32:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1774, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "30907:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1773, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "30887:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 1775, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", 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"typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1865, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 8579, "src": "32508:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1867, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32508:32:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 1810, "id": 1868, "nodeType": "Return", "src": "32501:39:0" } ] }, "documentation": "@dev Evaluates utility of executed trade\n@param execBuy represents proportion of order executed (in terms of buy amount)\n@param order the sell order whose utility is being evaluated\n@return Utility = ((execBuy * order.sellAmt - execSell * order.buyAmt) * price.buyToken) / order.sellAmt", "id": 1870, "implemented": true, "kind": "function", "modifiers": [], "name": "evaluateUtility", "nodeType": "FunctionDefinition", "parameters": { "id": 1807, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1804, "name": "execBuy", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31856:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1803, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "31856:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1806, "name": "order", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31873:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1805, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "31873:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "src": "31855:37:0" }, "returnParameters": { "id": 1810, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1809, "name": "", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31915:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1808, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "31915:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "31914:9:0" }, "scope": 2226, "src": "31831:716:0", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 1950, "nodeType": "Block", "src": "33425:611:0", "statements": [ { "assignments": [ 1880 ], "declarations": [ { "constant": false, "id": 1880, "name": "leftoverSellAmount", "nodeType": "VariableDeclaration", "scope": 1950, "src": "33435:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1879, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33435:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1894, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1884, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33492:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 1883, "name": "getRemainingAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2083, "src": "33473:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$", "typeString": "function (struct BatchExchange.Order memory) pure returns (uint128)" } }, "id": 1885, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33473:25:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1887, "name": "user", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1874, "src": "33511:4:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1889, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33537:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1890, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "33537:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1888, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "33517:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 1891, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33517:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1886, "name": "getBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3976, "src": "33500:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_address_$returns$_t_uint256_$", "typeString": "function 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"t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1941, "name": "leftoverSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1880, "src": "33968:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1942, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "33968:22:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1944, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33968:33:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1945, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "33968:37:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1948, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33968:61:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 1878, "id": 1949, "nodeType": "Return", "src": "33961:68:0" } ] }, "documentation": "@dev computes a measure of how much of an order was disregarded (only valid when limit price is respected)\n@param order the sell order whose disregarded utility is being evaluated\n@param user address of order's owner\n@return disregardedUtility of the order (after it has been applied)\nNote that:\n|disregardedUtility| = (limitTerm * leftoverSellAmount) / order.sellAmount\nwhere limitTerm = price.SellToken * order.sellAmt - order.buyAmt * price.buyToken / (1 - phi)\nand leftoverSellAmount = order.sellAmt - execSellAmt\nBalances and orders have all been updated so: sellAmount - execSellAmt == remainingAmount(order).\nFor correctness, we take the minimum of this with the user's token balance.", "id": 1951, "implemented": true, "kind": "function", "modifiers": [], "name": "evaluateDisregardedUtility", "nodeType": "FunctionDefinition", "parameters": { "id": 1875, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1872, "name": "order", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33360:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1871, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "33360:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1874, "name": "user", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33380:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1873, "name": "address", "nodeType": "ElementaryTypeName", "src": "33380:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "33359:34:0" }, "returnParameters": { "id": 1878, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1877, "name": "", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33416:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1876, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33416:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "33415:9:0" }, "scope": 2226, "src": "33324:712:0", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 1982, "nodeType": "Block", "src": "35326:325:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1977, "name": "sellTokenPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1957, "src": "35560:14:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1974, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "35522:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1971, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1969, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "35480:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1970, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "35498:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "35480:19:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1966, "name": "buyTokenPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1955, "src": "35444:13:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1963, "name": "executedBuyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1953, "src": "35404:17:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1962, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "35396:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 1964, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1965, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "35396:47:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1967, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:62:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1968, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "35396:83:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1972, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:104:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1973, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "35396:125:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1975, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:142:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1976, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "35396:163:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1978, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:179:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1979, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "35396:206:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1980, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:208:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "functionReturnParameters": 1961, "id": 1981, "nodeType": "Return", "src": "35377:227:0" } ] }, "documentation": "@dev Evaluates executedBuy amount based on prices and executedBuyAmout (fees included)\n@param executedBuyAmount amount of buyToken executed for purchase in batch auction\n@param buyTokenPrice uniform clearing price of buyToken\n@param sellTokenPrice uniform clearing price of sellToken\n@return executedSellAmount as expressed in Equation (2)\nhttps://github.com/gnosis/dex-contracts/issues/173#issuecomment-526163117\nexecSellAmount * p[sellToken] * (1 - phi) == execBuyAmount * p[buyToken]\nwhere phi = 1/FEE_DENOMINATOR\nNote that: 1 - phi = (FEE_DENOMINATOR - 1) / FEE_DENOMINATOR\nAnd so, 1/(1-phi) = FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\nexecSellAmount = (execBuyAmount * p[buyToken]) / (p[sellToken] * (1 - phi))\n = (execBuyAmount * buyTokenPrice / sellTokenPrice) * FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\nin order to minimize rounding errors, the order of operations is switched\n = ((executedBuyAmount * buyTokenPrice) / (FEE_DENOMINATOR - 1)) * FEE_DENOMINATOR) / sellTokenPrice", "id": 1983, "implemented": true, "kind": "function", "modifiers": [], "name": "getExecutedSellAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 1958, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1953, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 1983, "src": "35200:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1952, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "35200:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1955, "name": "buyTokenPrice", "nodeType": "VariableDeclaration", "scope": 1983, "src": "35235:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1954, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "35235:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1957, "name": "sellTokenPrice", "nodeType": "VariableDeclaration", "scope": 1983, "src": "35266:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1956, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "35266:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "35190:104:0" }, "returnParameters": { "id": 1961, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1960, "name": "", "nodeType": "VariableDeclaration", "scope": 1983, "src": "35317:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1959, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "35317:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "35316:9:0" }, "scope": 2226, "src": "35160:491:0", "stateMutability": "pure", "superFunction": null, "visibility": "private" }, { "body": { "id": 1996, "nodeType": "Block", "src": "35898:73:0", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "id": 1994, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1988, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "35915:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1989, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "batchId", "nodeType": "MemberAccess", "referencedDeclaration": 104, "src": "35915:22:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "id": 1993, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1990, "name": "getCurrentBatchId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3888, "src": "35941:17:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint32_$", "typeString": "function () view returns (uint32)" } }, "id": 1991, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35941:19:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1992, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "35963:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "35941:23:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "src": "35915:49:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 1987, "id": 1995, "nodeType": "Return", "src": "35908:56:0" } ] }, "documentation": "@dev used to determine if solution if first provided in current batch\n@return true if `latestSolution` is storing a solution for current batch, else false", "id": 1997, "implemented": true, "kind": "function", "modifiers": [], "name": "currentBatchHasSolution", "nodeType": "FunctionDefinition", "parameters": { "id": 1984, "nodeType": "ParameterList", "parameters": [], "src": "35867:2:0" }, "returnParameters": { "id": 1987, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1986, "name": "", "nodeType": "VariableDeclaration", "scope": 1997, "src": "35892:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1985, "name": "bool", "nodeType": "ElementaryTypeName", "src": "35892:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "35891:6:0" }, "scope": 2226, "src": "35835:136:0", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 2026, "nodeType": "Block", "src": "36380:251:0", "statements": [ { "assignments": [ 2009 ], "declarations": [ { "constant": false, "id": 2009, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 2026, "src": "36390:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 2008, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "36390:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 2021, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2011, "name": "executedBuyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1999, "src": "36454:17:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2012, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "36485:13:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 2015, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2013, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2001, "src": "36499:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 2014, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buyToken", "nodeType": "MemberAccess", "referencedDeclaration": 82, "src": "36499:14:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "36485:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2016, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "36528:13:0", "typeDescriptions": { "typeIdentifier": 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"998:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } } }, { "id": 33, "libraryName": { "contractScope": null, "id": 31, "name": "IterableAppendOnlySet", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6632, "src": "1018:21:0", "typeDescriptions": { "typeIdentifier": "t_contract$_IterableAppendOnlySet_$6632", "typeString": "library IterableAppendOnlySet" } }, "nodeType": "UsingForDirective", "src": "1012:59:0", "typeName": { "contractScope": null, "id": 32, "name": "IterableAppendOnlySet.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6500, "src": "1044:26:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage_ptr", "typeString": "struct IterableAppendOnlySet.Data" } } }, { "constant": true, "id": 36, "name": "MAX_TOUCHED_ORDERS", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1162:47:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 34, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1162:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "3330", "id": 35, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1207:2:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_30_by_1", "typeString": "int_const 30" }, "value": "30" }, "visibility": "public" }, { "constant": true, "id": 39, "name": "FEE_FOR_LISTING_TOKEN_IN_OWL", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1263:63:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 37, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "3130", "id": 38, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1318:8:0", "subdenomination": "ether", "typeDescriptions": { "typeIdentifier": "t_rational_10000000000000000000_by_1", "typeString": "int_const 10000000000000000000" }, "value": "10" }, "visibility": "public" }, { "constant": true, "id": 44, "name": "AMOUNT_MINIMUM", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1420:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 40, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1420:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" }, "id": 43, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "3130", "id": 41, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1461:2:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10_by_1", "typeString": "int_const 10" }, "value": "10" }, "nodeType": "BinaryOperation", "operator": "**", "rightExpression": { "argumentTypes": null, "hexValue": "34", "id": 42, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1465:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_4_by_1", "typeString": "int_const 4" }, "value": "4" }, "src": "1461:5:0", "typeDescriptions": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" } }, "visibility": "public" }, { "constant": true, "id": 50, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1563:60:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 45, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1563:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 48, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "1620:2:0", "subExpression": { "argumentTypes": null, "hexValue": "31", "id": 47, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1621:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "typeDescriptions": { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } ], "id": 46, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1612:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint128_$", "typeString": "type(uint128)" }, "typeName": "uint128" }, "id": 49, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1612:11:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "visibility": "public" }, { "constant": true, "id": 53, "name": "IMPROVEMENT_DENOMINATOR", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1787:53:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 51, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1787:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "argumentTypes": null, "hexValue": "313030", "id": 52, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1837:3:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_100_by_1", "typeString": "int_const 100" }, "value": "100" }, "visibility": "public" }, { "constant": true, "id": 56, "name": "FEE_DENOMINATOR", "nodeType": "VariableDeclaration", "scope": 2226, "src": "1958:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 54, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "1958:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "hexValue": "31303030", "id": 55, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2000:4:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1000_by_1", "typeString": "int_const 1000" }, "value": "1000" }, "visibility": "public" }, { "constant": true, "id": 59, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2091:59:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 57, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "2091:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": { "argumentTypes": null, "hexValue": "313132", "id": 58, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2147:3:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_112_by_1", "typeString": "int_const 112" }, "value": "112" }, "visibility": "public" }, { "constant": false, "id": 61, "name": "MAX_TOKENS", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2282:25:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 60, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2282:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 63, "name": "numTokens", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2385:23:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 62, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "2385:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 65, "name": "feeToken", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2482:24:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" }, "typeName": { "contractScope": null, "id": 64, "name": "TokenOWL", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6270, "src": "2482:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 70, "name": "orders", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2611:41:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order[])" }, "typeName": { "id": 69, "keyType": { "id": 66, "name": "address", "nodeType": "ElementaryTypeName", "src": "2619:7:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "2611:27:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order[])" }, "valueType": { "baseType": { "contractScope": null, "id": 67, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "2630:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "id": 68, "length": null, "nodeType": "ArrayTypeName", "src": "2630:7:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.Order[]" } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 74, "name": "currentPrices", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2725:47:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" }, "typeName": { "id": 73, "keyType": { "id": 71, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "2733:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Mapping", "src": "2725:26:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" }, "valueType": { "id": 72, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "2743:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 76, "name": "latestSolution", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2855:34:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData" }, "typeName": { "contractScope": null, "id": 75, "name": "SolutionData", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 117, "src": "2855:12:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage_ptr", "typeString": "struct BatchExchange.SolutionData" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 78, "name": "allUsers", "nodeType": "VariableDeclaration", "scope": 2226, "src": "2970:43:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data" }, "typeName": { "contractScope": null, "id": 77, "name": "IterableAppendOnlySet.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6500, "src": "2970:26:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage_ptr", "typeString": "struct IterableAppendOnlySet.Data" } }, "value": null, "visibility": "private" }, { "constant": false, "id": 80, "name": "registeredTokens", "nodeType": "VariableDeclaration", "scope": 2226, "src": "3019:46:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data" }, "typeName": { "contractScope": null, "id": 79, "name": "IdToAddressBiMap.Data", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6326, "src": "3019:21:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage_ptr", "typeString": "struct IdToAddressBiMap.Data" } }, "value": null, "visibility": "private" }, { "canonicalName": "BatchExchange.Order", "id": 95, "members": [ { "constant": false, "id": 82, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 95, "src": "3095:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 81, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3095:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 84, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 95, "src": "3120:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 83, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3120:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 86, "name": "validFrom", "nodeType": "VariableDeclaration", "scope": 95, "src": "3146:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 85, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3146:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 88, "name": "validUntil", "nodeType": "VariableDeclaration", "scope": 95, "src": "3242:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 87, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3242:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 90, "name": "priceNumerator", "nodeType": "VariableDeclaration", "scope": 95, "src": "3340:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 89, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3340:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 92, "name": "priceDenominator", "nodeType": "VariableDeclaration", "scope": 95, "src": "3372:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 91, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3372:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 94, "name": "usedAmount", "nodeType": "VariableDeclaration", "scope": 95, "src": "3406:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 93, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3406:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "name": "Order", "nodeType": "StructDefinition", "scope": 2226, "src": "3072:410:0", "visibility": "public" }, { "canonicalName": "BatchExchange.TradeData", "id": 102, "members": [ { "constant": false, "id": 97, "name": "owner", "nodeType": "VariableDeclaration", "scope": 102, "src": "3515:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 96, "name": "address", "nodeType": "ElementaryTypeName", "src": "3515:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 99, "name": "volume", "nodeType": "VariableDeclaration", "scope": 102, "src": "3538:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 98, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "3538:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 101, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 102, "src": "3562:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 100, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3562:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "name": "TradeData", "nodeType": "StructDefinition", "scope": 2226, "src": "3488:95:0", "visibility": "public" }, { "canonicalName": "BatchExchange.SolutionData", "id": 117, "members": [ { "constant": false, "id": 104, "name": "batchId", "nodeType": "VariableDeclaration", "scope": 117, "src": "3619:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 103, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3619:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 107, "name": "trades", "nodeType": "VariableDeclaration", "scope": 117, "src": "3643:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.TradeData[]" }, "typeName": { "baseType": { "contractScope": null, "id": 105, "name": "TradeData", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 102, "src": "3643:9:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage_ptr", "typeString": "struct BatchExchange.TradeData" } }, "id": 106, "length": null, "nodeType": "ArrayTypeName", "src": "3643:11:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage_ptr", "typeString": "struct BatchExchange.TradeData[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 110, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 117, "src": "3671:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 108, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3671:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 109, "length": null, "nodeType": "ArrayTypeName", "src": "3671:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 112, "name": "solutionSubmitter", "nodeType": "VariableDeclaration", "scope": 117, "src": "3706:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 111, "name": "address", "nodeType": "ElementaryTypeName", "src": "3706:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 114, "name": "feeReward", "nodeType": "VariableDeclaration", "scope": 117, "src": "3741:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 113, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3741:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 116, "name": "objectiveValue", "nodeType": "VariableDeclaration", "scope": 117, "src": "3768:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 115, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3768:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "name": "SolutionData", "nodeType": "StructDefinition", "scope": 2226, "src": "3589:208:0", "visibility": "public" }, { "anonymous": false, "documentation": null, "id": 135, "name": "OrderPlacement", "nodeType": "EventDefinition", "parameters": { "id": 134, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 119, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 135, "src": "3833:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 118, "name": "address", "nodeType": "ElementaryTypeName", "src": "3833:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 121, "indexed": false, "name": "index", "nodeType": "VariableDeclaration", "scope": 135, "src": "3864:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 120, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3864:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 123, "indexed": true, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 135, "src": "3886:23:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 122, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3886:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 125, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 135, "src": "3919:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 124, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "3919:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 127, "indexed": false, "name": "validFrom", "nodeType": "VariableDeclaration", "scope": 135, "src": "3953:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 126, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3953:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 129, "indexed": false, "name": "validUntil", "nodeType": "VariableDeclaration", "scope": 135, "src": "3979:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 128, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "3979:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 131, "indexed": false, "name": "priceNumerator", "nodeType": "VariableDeclaration", "scope": 135, "src": "4006:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 130, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4006:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 133, "indexed": false, "name": "priceDenominator", "nodeType": "VariableDeclaration", "scope": 135, "src": "4038:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 132, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4038:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "3823:245:0" }, "src": "3803:266:0" }, { "anonymous": false, "documentation": null, "id": 141, "name": "TokenListing", "nodeType": "EventDefinition", "parameters": { "id": 140, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 137, "indexed": false, "name": "token", "nodeType": "VariableDeclaration", "scope": 141, "src": "4094:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 136, "name": "address", "nodeType": "ElementaryTypeName", "src": "4094:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 139, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 141, "src": "4109:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 138, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4109:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4093:26:0" }, "src": "4075:45:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an order is cancelled but still valid in the batch that is\ncurrently being solved. It remains in storage but will not be tradable in any future\nbatch to be solved.", "id": 147, "name": "OrderCancellation", "nodeType": "EventDefinition", "parameters": { "id": 146, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 143, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 147, "src": "4368:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 142, "name": "address", "nodeType": "ElementaryTypeName", "src": "4368:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 145, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 147, "src": "4391:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 144, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4391:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4367:34:0" }, "src": "4344:58:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an order is removed from storage.", "id": 153, "name": "OrderDeletion", "nodeType": "EventDefinition", "parameters": { "id": 152, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 149, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 153, "src": "4502:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 148, "name": "address", "nodeType": "ElementaryTypeName", "src": "4502:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 151, "indexed": false, "name": "id", "nodeType": "VariableDeclaration", "scope": 153, "src": "4525:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 150, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4525:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "4501:34:0" }, "src": "4482:54:0" }, { "anonymous": false, "documentation": "@dev Event emitted when a new trade is settled", "id": 167, "name": "Trade", "nodeType": "EventDefinition", "parameters": { "id": 166, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 155, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 167, "src": "4626:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 154, "name": "address", "nodeType": "ElementaryTypeName", "src": "4626:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 157, "indexed": true, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 167, "src": "4657:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 156, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4657:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 159, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 167, "src": "4689:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 158, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4689:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 161, "indexed": false, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 167, "src": "4781:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 160, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "4781:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 163, "indexed": false, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 167, "src": "4806:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 162, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4806:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 165, "indexed": false, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 167, "src": "4842:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 164, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "4842:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "4616:257:0" }, "src": "4605:269:0" }, { "anonymous": false, "documentation": "@dev Event emitted when an already exectued trade gets reverted", "id": 181, "name": "TradeReversion", "nodeType": "EventDefinition", "parameters": { "id": 180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 169, "indexed": true, "name": "owner", "nodeType": "VariableDeclaration", "scope": 181, "src": "4990:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 168, "name": "address", "nodeType": "ElementaryTypeName", "src": "4990:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 171, "indexed": true, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 181, "src": "5021:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 170, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5021:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 173, "indexed": true, "name": "sellToken", "nodeType": "VariableDeclaration", "scope": 181, "src": "5053:24:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 172, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5053:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 175, "indexed": false, "name": "buyToken", "nodeType": "VariableDeclaration", "scope": 181, "src": "5145:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 174, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5145:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 177, "indexed": false, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 181, "src": "5170:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 176, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5170:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 179, "indexed": false, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 181, "src": "5206:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 178, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5206:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "4980:257:0" }, "src": "4960:278:0" }, { "anonymous": false, "documentation": "@dev Event emitted for each solution that is submitted", "id": 199, "name": "SolutionSubmission", "nodeType": "EventDefinition", "parameters": { "id": 198, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 183, "indexed": true, "name": "submitter", "nodeType": "VariableDeclaration", "scope": 199, "src": "5349:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 182, "name": "address", "nodeType": "ElementaryTypeName", "src": "5349:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 185, "indexed": false, "name": "utility", "nodeType": "VariableDeclaration", "scope": 199, "src": "5384:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 184, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5384:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 187, "indexed": false, "name": "disregardedUtility", "nodeType": "VariableDeclaration", "scope": 199, "src": "5409:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 186, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5409:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 189, "indexed": false, "name": "burntFees", "nodeType": "VariableDeclaration", "scope": 199, "src": "5445:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 188, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5445:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 191, "indexed": false, "name": "lastAuctionBurntFees", "nodeType": "VariableDeclaration", "scope": 199, "src": "5472:28:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 190, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5472:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 194, "indexed": false, "name": "prices", "nodeType": "VariableDeclaration", "scope": 199, "src": "5510:16:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 192, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "5510:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 193, "length": null, "nodeType": "ArrayTypeName", "src": "5510:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_storage_ptr", "typeString": "uint128[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 197, "indexed": false, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 199, "src": "5536:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 195, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "5536:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 196, "length": null, "nodeType": "ArrayTypeName", "src": "5536:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "5339:228:0" }, "src": "5315:253:0" }, { "body": { "id": 238, "nodeType": "Block", "src": "5820:575:0", "statements": [ { "expression": { "argumentTypes": null, "id": 210, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 206, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "6016:13:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 208, "indexExpression": { "argumentTypes": null, "hexValue": "30", "id": 207, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6030:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "6016:16:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "31", "id": 209, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6035:7:0", "subdenomination": "ether", "typeDescriptions": { "typeIdentifier": "t_rational_1000000000000000000_by_1", "typeString": "int_const 1000000000000000000" }, "value": "1" }, "src": "6016:26:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 211, "nodeType": "ExpressionStatement", "src": "6016:26:0" }, { "expression": { "argumentTypes": null, "id": 214, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 212, "name": "MAX_TOKENS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 61, "src": "6052:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 213, "name": "maxTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 201, "src": "6065:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6052:22:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 215, "nodeType": "ExpressionStatement", "src": "6052:22:0" }, { "expression": { "argumentTypes": null, "id": 220, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 216, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6084:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 218, "name": "_feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 203, "src": "6104:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 217, "name": "TokenOWL", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6270, "src": "6095:8:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_TokenOWL_$6270_$", "typeString": "type(contract TokenOWL)" } }, "id": 219, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6095:19:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "src": "6084:30:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 221, "nodeType": "ExpressionStatement", "src": "6084:30:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 226, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10294, "src": "6293:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" } ], "id": 225, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6285:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 227, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6285:13:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 230, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "-", "prefix": true, "src": "6308:2:0", "subExpression": { "argumentTypes": null, "hexValue": "31", "id": 229, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6309:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "typeDescriptions": { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_minus_1_by_1", "typeString": "int_const -1" } ], "id": 228, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6300:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 231, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6300:11:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 222, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6268:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 224, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 6807, "src": "6268:16:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 232, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6268:44:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 233, "nodeType": "ExpressionStatement", "src": "6268:44:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 235, "name": "_feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 203, "src": "6331:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 234, "name": "addToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 283, "src": "6322:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 236, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6322:19:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 237, "nodeType": "ExpressionStatement", "src": "6322:19:0" } ] }, "documentation": "@dev Constructor determines exchange parameters\n@param maxTokens The maximum number of tokens that can be listed.\n@param _feeToken Address of ERC20 fee token.", "id": 239, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 204, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 201, "name": "maxTokens", "nodeType": "VariableDeclaration", "scope": 239, "src": "5775:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 200, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5775:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 203, "name": "_feeToken", "nodeType": "VariableDeclaration", "scope": 239, "src": "5794:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 202, "name": "address", "nodeType": "ElementaryTypeName", "src": "5794:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "5774:38:0" }, "returnParameters": { "id": 205, "nodeType": "ParameterList", "parameters": [], "src": "5820:0:0" }, "scope": 2226, "src": "5763:632:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 282, "nodeType": "Block", "src": "6727:428:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 247, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 245, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "6745:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 246, "name": "MAX_TOKENS", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 61, "src": "6757:10:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "6745:22:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4d617820746f6b656e732072656163686564", "id": 248, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6769:20:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_14b9947d46e0b2554569c19973b701cdfb35f201a3f5beb5e896a20526ce01a7", "typeString": "literal_string \"Max tokens reached\"" }, "value": "Max tokens reached" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_14b9947d46e0b2554569c19973b701cdfb35f201a3f5beb5e896a20526ce01a7", "typeString": "literal_string \"Max tokens reached\"" } ], "id": 244, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10245, 10246 ], "referencedDeclaration": 10246, "src": "6737:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 249, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6737:53:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 250, "nodeType": "ExpressionStatement", "src": "6737:53:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "id": 253, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 251, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "6804:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 252, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6816:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "6804:13:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 263, "nodeType": "IfStatement", "src": "6800:177:0", "trueBody": { "id": 262, "nodeType": "Block", "src": "6819:158:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 257, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10242, "src": "6925:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 258, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "6925:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 259, "name": "FEE_FOR_LISTING_TOKEN_IN_OWL", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 39, "src": "6937:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 254, "name": "feeToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 65, "src": "6908:8:0", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenOWL_$6270", "typeString": "contract TokenOWL" } }, "id": 256, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "burnOWL", "nodeType": "MemberAccess", "referencedDeclaration": 6255, "src": "6908:16:0", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256) external" } }, "id": 260, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6908:58:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 261, "nodeType": "ExpressionStatement", "src": "6908:58:0" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 267, "name": "registeredTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 80, "src": "7018:16:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data storage ref" } }, { "argumentTypes": null, "id": 268, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7036:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 269, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 241, "src": "7047:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data storage ref" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 265, "name": "IdToAddressBiMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6489, "src": "6994:16:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IdToAddressBiMap_$6489_$", "typeString": "type(library IdToAddressBiMap)" } }, "id": 266, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "insert", "nodeType": "MemberAccess", "referencedDeclaration": 6488, "src": "6994:23:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_nonpayable$_t_struct$_Data_$6326_storage_ptr_$_t_uint16_$_t_address_$returns$_t_bool_$", "typeString": "function (struct IdToAddressBiMap.Data storage pointer,uint16,address) returns (bool)" } }, "id": 270, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6994:59:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "546f6b656e20616c72656164792072656769737465726564", "id": 271, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7055:26:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ea414700a52192d3051efb9564a39df2d4fbeb5f4f4c66f00a6b0d737b48522b", "typeString": "literal_string \"Token already registered\"" }, "value": "Token already registered" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ea414700a52192d3051efb9564a39df2d4fbeb5f4f4c66f00a6b0d737b48522b", "typeString": "literal_string \"Token already registered\"" } ], "id": 264, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 10245, 10246 ], "referencedDeclaration": 10246, "src": "6986:7:0", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 272, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6986:96:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 273, "nodeType": "ExpressionStatement", "src": "6986:96:0" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 275, "name": "token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 241, "src": "7110:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 276, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7117:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 274, "name": "TokenListing", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 141, "src": "7097:12:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint16_$returns$__$", "typeString": "function (address,uint16)" } }, "id": 277, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7097:30:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 278, "nodeType": "EmitStatement", "src": "7092:35:0" }, { "expression": { "argumentTypes": null, "id": 280, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "7137:11:0", "subExpression": { "argumentTypes": null, "id": 279, "name": "numTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 63, "src": "7137:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 281, "nodeType": "ExpressionStatement", "src": "7137:11:0" } ] }, "documentation": "@dev Used to list a new token on the contract: Hence, making it available for exchange in an auction.\n@param token ERC20 token to be listed.\n * Requirements:\n- `maxTokens` has not already been reached\n- `token` has not already been added", "id": 283, "implemented": true, "kind": "function", "modifiers": [], "name": "addToken", "nodeType": "FunctionDefinition", "parameters": { "id": 242, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 241, "name": "token", "nodeType": "VariableDeclaration", "scope": 283, "src": "6705:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 240, "name": "address", "nodeType": "ElementaryTypeName", "src": "6705:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "6704:15:0" }, "returnParameters": { "id": 243, "nodeType": "ParameterList", "parameters": [], "src": "6727:0:0" }, "scope": 2226, "src": "6687:468:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 308, "nodeType": "Block", "src": "7906:119:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 299, "name": "buyToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 285, "src": "7942:8:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 300, "name": "sellToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 287, "src": "7952:9:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 301, "name": "getCurrentBatchId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3888, "src": "7963:17:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_uint32_$", "typeString": "function () view returns (uint32)" } }, "id": 302, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7963:19:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, { "argumentTypes": null, "id": 303, "name": "validUntil", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 289, "src": "7984:10:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, { "argumentTypes": null, "id": 304, "name": "buyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 291, "src": "7996:9:0", "typeDescriptions": { "typeIdentifier": "t_uint128", 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If the order is valid for the batch that is currently\nbeing solved, it sets order expiry to that batchId. Otherwise it removes it from storage. 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512, "src": "16420:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 709, "indexExpression": { "argumentTypes": null, "id": 708, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "16429:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16420:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 710, "name": "executedSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "16433:18:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 703, "name": "updateRemainingOrder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1506, "src": "16388:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint16_$_t_uint128_$returns$__$", "typeString": "function (address,uint16,uint128)" } }, "id": 711, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16388:64:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 712, "nodeType": "ExpressionStatement", "src": "16388:64:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 714, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "16505:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 716, "indexExpression": { "argumentTypes": null, "id": 715, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "16512:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16505:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 718, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "16536:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 719, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buyToken", "nodeType": "MemberAccess", "referencedDeclaration": 82, "src": "16536:14:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 717, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "16516:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 720, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16516:35:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 721, "name": "executedBuyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "16553:17:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 713, "name": "addBalanceAndBlockWithdrawForThisBatch", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4038, "src": "16466:38:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 722, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16466:105:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 723, "nodeType": "ExpressionStatement", "src": "16466:105:0" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 725, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "16596:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 727, "indexExpression": { "argumentTypes": null, "id": 726, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "16603:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16596:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 728, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 512, "src": "16607:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 730, "indexExpression": { "argumentTypes": null, "id": 729, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "16616:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16607:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 731, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "16620:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 732, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "16620:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 733, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 613, "src": "16637:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 734, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buyToken", "nodeType": "MemberAccess", "referencedDeclaration": 82, "src": "16637:14:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 735, "name": "executedSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 635, "src": "16653:18:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 736, "name": "executedBuyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 633, "src": "16673:17:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 724, "name": "Trade", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 167, "src": "16590:5:0", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint16_$_t_uint16_$_t_uint16_$_t_uint128_$_t_uint128_$returns$__$", "typeString": "function (address,uint16,uint16,uint16,uint128,uint128)" } }, "id": 737, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16590:101:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 738, "nodeType": "EmitStatement", "src": "16585:106:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 608, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 605, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "14996:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 606, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "15000:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 607, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "15000:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "14996:17:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 740, "initializationExpression": { "assignments": [ 602 ], "declarations": [ { "constant": false, "id": 602, "name": "i", "nodeType": "VariableDeclaration", "scope": 740, "src": "14981:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 601, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "14981:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 604, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 603, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "14993:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "14981:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 610, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "15015:3:0", "subExpression": { "argumentTypes": null, "id": 609, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 602, "src": "15015:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 611, "nodeType": "ExpressionStatement", "src": "15015:3:0" }, "nodeType": "ForStatement", "src": "14976:1726:0" }, { "body": { "id": 784, "nodeType": "Block", "src": "16832:259:0", "statements": [ { "assignments": [ 753 ], "declarations": [ { "constant": false, "id": 753, "name": "order", "nodeType": "VariableDeclaration", "scope": 784, "src": "16846:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 752, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "16846:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "id": 763, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 754, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "16867:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 758, "indexExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 755, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "16874:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 757, "indexExpression": { "argumentTypes": null, "id": 756, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 742, "src": "16881:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16874:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16867:17:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 762, "indexExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 759, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 512, "src": "16885:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 761, "indexExpression": { "argumentTypes": null, "id": 760, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 742, "src": "16894:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16885:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16867:30:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "16846:51:0" }, { "assignments": [ null, 765 ], "declarations": [ null, { "constant": false, "id": 765, "name": "executedSellAmount", "nodeType": "VariableDeclaration", "scope": 784, "src": "16914:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 764, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "16914:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 772, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 767, "name": "buyVolumes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 515, "src": "16961:10:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[] memory" } }, "id": 769, "indexExpression": { "argumentTypes": null, "id": 768, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 742, "src": "16972:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "16961:13:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 770, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 753, "src": "16976:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 766, "name": "getTradedAmounts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2027, "src": "16944:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint128_$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$_t_uint128_$", "typeString": "function (uint128,struct BatchExchange.Order memory) view returns (uint128,uint128)" } }, "id": 771, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16944:38:0", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint128_$_t_uint128_$", "typeString": "tuple(uint128,uint128)" } }, "nodeType": "VariableDeclarationStatement", "src": "16911:71:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 774, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 509, "src": "17012:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 776, "indexExpression": { "argumentTypes": null, "id": 775, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 742, "src": "17019:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "17012:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 778, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 753, "src": "17043:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 779, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "17043:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 777, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "17023:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 780, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17023:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 781, "name": "executedSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 765, "src": "17061:18:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 773, "name": "subtractBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "16996:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 782, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16996:84:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 783, "nodeType": 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"src": "18070:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 876, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "18069:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 525, "id": 877, "nodeType": "Return", "src": "18062:23:0" } ] }, "documentation": "@dev a solver facing function called for auction settlement\n@param batchId index of auction solution is referring to\n@param owners array of addresses corresponding to touched orders\n@param orderIds array of order indices used in parallel with owners to identify touched order\n@param buyVolumes executed buy amounts for each order identified by index of owner-orderId arrays\n@param prices list of prices for touched tokens indexed by next parameter\n@param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]\n@return the computed objective value of the solution\n * Requirements:\n- Solutions for this `batchId` are currently being accepted.\n- Claimed objetive value is a great enough improvement on the current winning solution\n- Fee Token price is non-zero\n- `tokenIdsForPrice` is sorted.\n- Number of touched orders does not exceed `MAX_TOUCHED_ORDERS`.\n- Each touched order is valid at current `batchId`.\n- Each touched order's `executedSellAmount` does not exceed its remaining amount.\n- Limit Price of each touched order is respected.\n- Solution's objective evaluation must be positive.\n * Sub Requirements: Those nested within other functions\n- checkAndOverrideObjectiveValue; Objetive value is a great enough improvement on the current winning solution\n- checkTokenConservation; for all, non-fee, tokens total amount sold == total amount bought", "id": 879, "implemented": true, "kind": "function", "modifiers": [], "name": "submitSolution", "nodeType": 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"typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 510, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "13548:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 511, "length": null, "nodeType": "ArrayTypeName", "src": "13548:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 515, "name": "buyVolumes", "nodeType": "VariableDeclaration", "scope": 879, "src": "13582:27:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 513, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "13582:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 514, "length": 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"id": 523, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "13707:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "13706:9:0" }, "scope": 2226, "src": "13419:4673:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 892, "nodeType": "Block", "src": "18367:70:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 888, "name": "registeredTokens", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 80, "src": "18407:16:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6326_storage", "typeString": "struct IdToAddressBiMap.Data storage ref" } }, { "argumentTypes": null, "id": 889, "name": "addr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 881, "src": "18425:4:0", "typeDescriptions": { "typeIdentifier": 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880, "name": "address", "nodeType": "ElementaryTypeName", "src": "18324:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "18323:14:0" }, "returnParameters": { "id": 885, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 884, "name": "", "nodeType": "VariableDeclaration", "scope": 893, "src": "18359:6:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 883, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "18359:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "18358:8:0" }, "scope": 2226, "src": "18295:142:0", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 906, "nodeType": "Block", "src": 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returning address of listed token by ID\n@param id tokenId as stored, via BiMap, within the contract.\n@return address of (listed) token", "id": 907, "implemented": true, "kind": "function", "modifiers": [], "name": "tokenIdToAddressMap", "nodeType": "FunctionDefinition", "parameters": { "id": 896, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 895, "name": "id", "nodeType": "VariableDeclaration", "scope": 907, "src": "18647:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 894, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "18647:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "src": "18646:11:0" }, "returnParameters": { "id": 899, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 898, "name": "", "nodeType": "VariableDeclaration", 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"typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "22078:38:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1113, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1109, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22130:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "307830", "id": 1111, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "22153:3:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0x0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1110, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "22145:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 1112, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22145:12:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "22130:27:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1121, "nodeType": "IfStatement", "src": "22126:88:0", "trueBody": { "id": 1120, "nodeType": "Block", "src": "22159:55:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1118, 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"typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Data_$6500_storage_ptr_$returns$_t_address_$bound_to$_t_struct$_Data_$6500_storage_ptr_$", "typeString": "function (struct IterableAppendOnlySet.Data storage pointer) view returns (address)" } }, "id": 1117, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22187:16:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "22173:30:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1119, "nodeType": "ExpressionStatement", "src": "22173:30:0" } ] } }, { "body": { "id": 1165, "nodeType": "Block", "src": "22290:466:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1144, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1128, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22304:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1132, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22399:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1133, "name": "currentOffset", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1102, "src": "22432:13:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "id": 1141, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1134, "name": "pageSize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1088, "src": "22467:8:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1139, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1136, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22485:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1137, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "22485:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 1138, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 59, "src": "22503:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "22485:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 1135, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "22478:6:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint16_$", "typeString": "type(uint16)" }, "typeName": "uint16" }, "id": 1140, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22478:55:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "22467:66:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1131, "name": "getEncodedUserOrdersPaginated", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 981, "src": "22348:29:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_uint16_$_t_uint16_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,uint16,uint16) view returns (bytes memory)" } }, "id": 1142, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22348:203:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "id": 1129, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22315:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1130, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "concat", "nodeType": "MemberAccess", "referencedDeclaration": 9822, "src": "22315:15:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,bytes memory) pure returns (bytes memory)" } }, "id": 1143, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22315:250:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "src": "22304:261:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1145, "nodeType": "ExpressionStatement", "src": "22304:261:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1146, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22583:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1147, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "22598:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1148, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "last", "nodeType": "MemberAccess", "referencedDeclaration": 6497, "src": "22598:13:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "22583:28:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1153, "nodeType": "IfStatement", "src": "22579:82:0", "trueBody": { "id": 1152, "nodeType": "Block", "src": "22613:48:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1150, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22638:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 1092, "id": 1151, "nodeType": "Return", "src": "22631:15:0" } ] } }, { "expression": { "argumentTypes": null, "id": 1156, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1154, "name": "currentOffset", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1102, "src": "22674:13:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 1155, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "22690:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "22674:17:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1157, "nodeType": "ExpressionStatement", "src": "22674:17:0" }, { "expression": { "argumentTypes": null, "id": 1163, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1158, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22705:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1161, "name": "currentUser", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1106, "src": "22733:11:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "id": 1159, "name": "allUsers", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 78, "src": "22719:8:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Data_$6500_storage", "typeString": "struct IterableAppendOnlySet.Data storage ref" } }, "id": 1160, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "next", "nodeType": "MemberAccess", "referencedDeclaration": 6631, "src": "22719:13:0", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Data_$6500_storage_ptr_$_t_address_$returns$_t_address_$bound_to$_t_struct$_Data_$6500_storage_ptr_$", "typeString": "function (struct IterableAppendOnlySet.Data storage pointer,address) view returns (address)" } }, "id": 1162, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22719:26:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "22705:40:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1164, "nodeType": "ExpressionStatement", "src": "22705:40:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1127, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1125, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1122, "name": "elements", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1091, "src": "22230:8:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 1123, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "22230:15:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 1124, "name": "ENCODED_AUCTION_ELEMENT_WIDTH", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 59, "src": "22248:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "22230:47:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "id": 1126, "name": "pageSize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1088, "src": "22280:8:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "src": "22230:58:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1166, "nodeType": "WhileStatement", "src": "22223:533:0" } ] }, "documentation": "@dev View returning byte-encoded sell orders in paginated form\n@param previousPageUser address of last user received in the previous page (address(0) for first page)\n@param previousPageUserOffset the number of orders received for the last user on the previous page (0 for first page).\n@param pageSize uint determining the count of orders 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"FunctionCall", "src": "27263:53:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "27263:63:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1500, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27263:65:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "27227:101:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1502, "nodeType": "ExpressionStatement", "src": "27227:101:0" } ] } } ] }, "documentation": "@dev Updates an order's remaing requested sell amount upon (partial) execution of a standing order\n@param owner order's corresponding user address\n@param orderId index of order in list of owner's orders\n@param executedAmount proportion of order's requested sellAmount that was filled.", "id": 1506, "implemented": true, "kind": "function", "modifiers": [], "name": "updateRemainingOrder", "nodeType": "FunctionDefinition", "parameters": { "id": 1475, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1470, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27065:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1469, "name": "address", "nodeType": "ElementaryTypeName", "src": "27065:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1472, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27088:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1471, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "27088:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1474, "name": "executedAmount", "nodeType": "VariableDeclaration", "scope": 1506, "src": "27112:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1473, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "27112:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "27055:85:0" }, "returnParameters": { "id": 1476, "nodeType": "ParameterList", "parameters": [], "src": "27149:0:0" }, "scope": 2226, "src": "27026:319:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1543, "nodeType": "Block", "src": "27799:196:0", "statements": [ { "condition": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1516, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27838:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1518, "indexExpression": { "argumentTypes": null, "id": 1517, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27845:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27838:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1520, "indexExpression": { "argumentTypes": null, "id": 1519, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27852:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27838:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } ], "id": 1515, "name": "isOrderWithLimitedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1562, "src": "27813:24:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Order_$95_memory_ptr_$returns$_t_bool_$", "typeString": "function (struct BatchExchange.Order memory) pure returns (bool)" } }, "id": 1521, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27813:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1542, "nodeType": "IfStatement", "src": "27809:180:0", "trueBody": { "id": 1541, "nodeType": "Block", "src": "27863:126:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1539, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1522, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27877:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1525, "indexExpression": { "argumentTypes": null, "id": 1523, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27884:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27877:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1526, "indexExpression": { "argumentTypes": null, "id": 1524, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27891:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27877:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1527, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27877:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1535, "name": "executedAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1512, "src": "27951:14:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1528, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "27913:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1530, "indexExpression": { "argumentTypes": null, "id": 1529, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1508, "src": "27920:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27913:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1532, "indexExpression": { "argumentTypes": null, "id": 1531, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1510, "src": "27927:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "27913:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "id": 1533, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "usedAmount", "nodeType": "MemberAccess", "referencedDeclaration": 94, "src": "27913:33:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1534, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 8579, "src": "27913:37:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1536, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27913:53:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1537, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "27913:63:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1538, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "27913:65:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "27877:101:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1540, "nodeType": "ExpressionStatement", "src": "27877:101:0" } ] } } ] }, "documentation": "@dev The inverse of updateRemainingOrder, called when reverting a solution in favour of a better one.\n@param owner order's corresponding user address\n@param orderId index of order in list of owner's orders\n@param executedAmount proportion of order's requested sellAmount that was filled.", "id": 1544, "implemented": true, "kind": "function", "modifiers": [], "name": "revertRemainingOrder", "nodeType": "FunctionDefinition", "parameters": { "id": 1513, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1508, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27715:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1507, "name": "address", "nodeType": "ElementaryTypeName", "src": "27715:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1510, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27738:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1509, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "27738:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1512, "name": "executedAmount", "nodeType": "VariableDeclaration", "scope": 1544, "src": "27762:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1511, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "27762:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "src": "27705:85:0" }, "returnParameters": { "id": 1514, "nodeType": "ParameterList", "parameters": [], "src": "27799:0:0" }, "scope": 2226, "src": "27676:319:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1561, "nodeType": "Block", "src": "28272:122:0", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 1559, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1554, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1551, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1546, "src": "28289:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1552, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceNumerator", "nodeType": "MemberAccess", "referencedDeclaration": 90, "src": "28289:20:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1553, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 50, "src": "28313:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "28289:46:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1558, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1555, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1546, "src": "28339:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1556, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "28339:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "id": 1557, "name": "UNLIMITED_ORDER_AMOUNT", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 50, "src": "28365:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "src": "28339:48:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "28289:98:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 1550, "id": 1560, "nodeType": "Return", "src": "28282:105:0" } ] }, "documentation": "@dev Checks whether an order is intended to track its usedAmount\n@param order order under inspection\n@return true if the given order does track its usedAmount", "id": 1562, "implemented": true, "kind": "function", "modifiers": [], "name": "isOrderWithLimitedAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 1547, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1546, "name": "order", "nodeType": "VariableDeclaration", "scope": 1562, "src": "28224:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1545, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "28224:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "src": "28223:20:0" }, "returnParameters": { "id": 1550, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1549, "name": "", "nodeType": "VariableDeclaration", "scope": 1562, "src": "28266:4:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 1548, "name": "bool", "nodeType": "ElementaryTypeName", "src": "28266:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "28265:6:0" }, "scope": 2226, "src": "28190:204:0", "stateMutability": "pure", "superFunction": null, "visibility": "private" }, { "body": { "id": 1629, "nodeType": "Block", "src": "29115:341:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1583, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1579, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29125:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1581, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "batchId", "nodeType": "MemberAccess", "referencedDeclaration": 104, "src": "29125:22:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1582, "name": "batchId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1564, "src": "29150:7:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "src": "29125:32:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "id": 1584, "nodeType": "ExpressionStatement", "src": "29125:32:0" }, { "body": { "id": 1614, "nodeType": "Block", "src": "29211:124:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1602, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1567, "src": "29270:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1604, "indexExpression": { "argumentTypes": null, "id": 1603, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29277:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29270:9:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1605, "name": "orderIds", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1570, "src": "29290:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "id": 1607, "indexExpression": { "argumentTypes": null, "id": 1606, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29299:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29290:11:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1608, "name": "volumes", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1573, "src": "29311:7:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[] memory" } }, "id": 1610, "indexExpression": { "argumentTypes": null, "id": 1609, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29319:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29311:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1601, "name": "TradeData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 102, "src": "29252:9:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_TradeData_$102_storage_ptr_$", "typeString": "type(struct BatchExchange.TradeData storage pointer)" } }, "id": 1611, "isConstant": false, "isLValue": false, "isPure": false, "kind": "structConstructorCall", "lValueRequested": false, "names": [ "owner", "orderId", "volume" ], "nodeType": "FunctionCall", "src": "29252:71:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_memory", "typeString": "struct BatchExchange.TradeData memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_TradeData_$102_memory", "typeString": "struct BatchExchange.TradeData memory" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1596, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29225:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1599, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29225:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1600, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "push", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29225:26:0", "typeDescriptions": { "typeIdentifier": "t_function_arraypush_nonpayable$_t_struct$_TradeData_$102_storage_$returns$_t_uint256_$", "typeString": "function (struct BatchExchange.TradeData storage ref) returns (uint256)" } }, "id": 1612, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29225:99:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1613, "nodeType": "ExpressionStatement", "src": "29225:99:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1592, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1589, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29187:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1590, "name": "owners", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1567, "src": "29191:6:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[] memory" } }, "id": 1591, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29191:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "29187:17:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1615, "initializationExpression": { "assignments": [ 1586 ], "declarations": [ { "constant": false, "id": 1586, "name": "i", "nodeType": "VariableDeclaration", "scope": 1615, "src": "29172:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1585, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "29172:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1588, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1587, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "29184:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "29172:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1594, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "29206:3:0", "subExpression": { "argumentTypes": null, "id": 1593, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1586, "src": "29206:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1595, "nodeType": "ExpressionStatement", "src": "29206:3:0" }, "nodeType": "ForStatement", "src": "29167:168:0" }, { "expression": { "argumentTypes": null, "id": 1620, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1616, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29344:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1618, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "tokenIdsForPrice", "nodeType": "MemberAccess", "referencedDeclaration": 110, "src": "29344:31:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage", "typeString": "uint16[] storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1619, "name": "tokenIdsForPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1576, "src": "29378:16:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[] memory" } }, "src": "29344:50:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage", "typeString": "uint16[] storage ref" } }, "id": 1621, "nodeType": "ExpressionStatement", "src": "29344:50:0" }, { "expression": { "argumentTypes": null, "id": 1627, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1622, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29404:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1624, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "solutionSubmitter", "nodeType": "MemberAccess", "referencedDeclaration": 112, "src": "29404:32:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1625, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10242, "src": "29439:3:0", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 1626, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29439:10:0", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "29404:45:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1628, "nodeType": "ExpressionStatement", "src": "29404:45:0" } ] }, "documentation": "@dev This function writes solution information into contract storage\n@param batchId index of referenced auction\n@param owners array of addresses corresponding to touched orders\n@param orderIds array of order indices used in parallel with owners to identify touched order\n@param volumes executed buy amounts for each order identified by index of owner-orderId arrays\n@param tokenIdsForPrice price[i] is the price for the token with tokenID tokenIdsForPrice[i]", "id": 1630, "implemented": true, "kind": "function", "modifiers": [], "name": "documentTrades", "nodeType": "FunctionDefinition", "parameters": { "id": 1577, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1564, "name": "batchId", "nodeType": "VariableDeclaration", "scope": 1630, "src": "28943:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "typeName": { "id": 1563, "name": "uint32", "nodeType": "ElementaryTypeName", "src": "28943:6:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1567, "name": "owners", "nodeType": "VariableDeclaration", "scope": 1630, "src": "28967:23:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_memory_ptr", "typeString": "address[]" }, "typeName": { "baseType": { "id": 1565, "name": "address", "nodeType": "ElementaryTypeName", "src": "28967:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1566, "length": null, "nodeType": "ArrayTypeName", "src": "28967:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1570, "name": "orderIds", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29000:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 1568, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29000:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1569, "length": null, "nodeType": "ArrayTypeName", "src": "29000:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1573, "name": "volumes", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29034:24:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_memory_ptr", "typeString": "uint128[]" }, "typeName": { "baseType": { "id": 1571, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "29034:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1572, "length": null, "nodeType": "ArrayTypeName", "src": "29034:9:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint128_$dyn_storage_ptr", "typeString": "uint128[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1576, "name": "tokenIdsForPrice", "nodeType": "VariableDeclaration", "scope": 1630, "src": "29068:32:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_memory_ptr", "typeString": "uint16[]" }, "typeName": { "baseType": { "id": 1574, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29068:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "id": 1575, "length": null, "nodeType": "ArrayTypeName", "src": "29068:8:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint16_$dyn_storage_ptr", "typeString": "uint16[]" } }, "value": null, "visibility": "internal" } ], "src": "28933:173:0" }, "returnParameters": { "id": 1578, "nodeType": "ParameterList", "parameters": [], "src": "29115:0:0" }, "scope": 2226, "src": "28910:546:0", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" }, { "body": { "id": 1782, "nodeType": "Block", "src": "29605:1348:0", "statements": [ { "condition": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 1633, "name": "currentBatchHasSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1997, "src": "29619:23:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 1634, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29619:25:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1781, "nodeType": "IfStatement", "src": "29615:1332:0", "trueBody": { "id": 1780, "nodeType": "Block", "src": "29646:1301:0", "statements": [ { "body": { "id": 1691, "nodeType": "Block", "src": "29719:391:0", "statements": [ { "assignments": [ 1648 ], "declarations": [ { "constant": false, "id": 1648, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29737:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1647, "name": "address", "nodeType": "ElementaryTypeName", "src": "29737:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1654, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1649, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29753:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1650, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29753:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1652, "indexExpression": { "argumentTypes": null, "id": 1651, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29775:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29753:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1653, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 97, "src": "29753:30:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "29737:46:0" }, { "assignments": [ 1656 ], "declarations": [ { "constant": false, "id": 1656, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29801:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1655, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "29801:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "id": 1662, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1657, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29818:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1658, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29818:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1660, "indexExpression": { "argumentTypes": null, "id": 1659, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29840:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29818:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1661, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "orderId", "nodeType": "MemberAccess", "referencedDeclaration": 101, "src": "29818:32:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "VariableDeclarationStatement", "src": "29801:49:0" }, { "assignments": [ 1664 ], "declarations": [ { "constant": false, "id": 1664, "name": "order", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29868:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1663, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "29868:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "id": 1670, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1665, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "29889:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1667, "indexExpression": { "argumentTypes": null, "id": 1666, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1648, "src": "29896:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29889:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1669, "indexExpression": { "argumentTypes": null, "id": 1668, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1656, "src": "29903:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29889:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "29868:43:0" }, { "assignments": [ null, 1672 ], "declarations": [ null, { "constant": false, "id": 1672, "name": "sellAmount", "nodeType": "VariableDeclaration", "scope": 1691, "src": "29932:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1671, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "29932:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 1681, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1674, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29971:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1675, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29971:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1677, "indexExpression": { "argumentTypes": null, "id": 1676, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29993:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "29971:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1678, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "volume", "nodeType": "MemberAccess", "referencedDeclaration": 99, "src": "29971:31:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 1679, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1664, "src": "30004:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 1673, "name": "getTradedAmounts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2027, "src": "29954:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint128_$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$_t_uint128_$", "typeString": "function (uint128,struct BatchExchange.Order memory) view returns (uint128,uint128)" } }, "id": 1680, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "29954:56:0", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint128_$_t_uint128_$", "typeString": "tuple(uint128,uint128)" } }, "nodeType": "VariableDeclarationStatement", "src": "29929:81:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1683, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1648, "src": "30039:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1685, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1664, "src": "30066:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1686, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "30066:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1684, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "30046:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 1687, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30046:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1688, "name": "sellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1672, "src": "30084:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1682, "name": "addBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4070, "src": "30028:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 1689, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30028:67:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1690, "nodeType": "ExpressionStatement", "src": "30028:67:0" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1643, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1639, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29680:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1640, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "29684:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1641, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "29684:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1642, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "29684:28:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "29680:32:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 1692, "initializationExpression": { "assignments": [ 1636 ], "declarations": [ { "constant": false, "id": 1636, "name": "i", "nodeType": "VariableDeclaration", "scope": 1692, "src": "29665:9:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1635, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "29665:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1638, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1637, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "29677:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "29665:13:0" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 1645, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "29714:3:0", "subExpression": { "argumentTypes": null, "id": 1644, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1636, "src": "29714:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1646, "nodeType": "ExpressionStatement", "src": "29714:3:0" }, "nodeType": "ForStatement", "src": "29660:450:0" }, { "body": { "id": 1768, "nodeType": "Block", "src": "30182:595:0", "statements": [ { "assignments": [ 1706 ], "declarations": [ { "constant": false, "id": 1706, "name": "owner", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30200:13:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1705, "name": "address", "nodeType": "ElementaryTypeName", "src": "30200:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 1712, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1707, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30216:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1708, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "30216:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1710, "indexExpression": { "argumentTypes": null, "id": 1709, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30238:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30216:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1711, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 97, "src": "30216:30:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "30200:46:0" }, { "assignments": [ 1714 ], "declarations": [ { "constant": false, "id": 1714, "name": "orderId", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30264:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 1713, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "30264:6:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" } ], "id": 1720, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1715, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30281:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1716, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "30281:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1718, "indexExpression": { "argumentTypes": null, "id": 1717, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30303:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30281:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1719, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "orderId", "nodeType": "MemberAccess", "referencedDeclaration": 101, "src": "30281:32:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "nodeType": "VariableDeclarationStatement", "src": "30264:49:0" }, { "assignments": [ 1722 ], "declarations": [ { "constant": false, "id": 1722, "name": "order", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30331:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1721, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "30331:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "id": 1728, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1723, "name": "orders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 70, "src": "30352:6:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_struct$_Order_$95_storage_$dyn_storage_$", "typeString": "mapping(address => struct BatchExchange.Order storage ref[] storage ref)" } }, "id": 1725, "indexExpression": { "argumentTypes": null, "id": 1724, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1706, "src": "30359:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30352:13:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_Order_$95_storage_$dyn_storage", "typeString": "struct BatchExchange.Order storage ref[] storage ref" } }, "id": 1727, "indexExpression": { "argumentTypes": null, "id": 1726, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1714, "src": "30366:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30352:22:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage", "typeString": "struct BatchExchange.Order storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "30331:43:0" }, { "assignments": [ 1730, 1732 ], "declarations": [ { "constant": false, "id": 1730, "name": "buyAmount", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30393:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1729, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "30393:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1732, "name": "sellAmount", "nodeType": "VariableDeclaration", "scope": 1768, "src": "30412:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1731, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "30412:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" } ], "id": 1741, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1734, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "30451:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1735, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "trades", "nodeType": "MemberAccess", "referencedDeclaration": 107, "src": "30451:21:0", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_TradeData_$102_storage_$dyn_storage", "typeString": "struct BatchExchange.TradeData storage ref[] storage ref" } }, "id": 1737, "indexExpression": { "argumentTypes": null, "id": 1736, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1694, "src": "30473:1:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "30451:24:0", "typeDescriptions": { "typeIdentifier": "t_struct$_TradeData_$102_storage", "typeString": "struct BatchExchange.TradeData storage ref" } }, "id": 1738, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "volume", "nodeType": "MemberAccess", "referencedDeclaration": 99, "src": "30451:31:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "id": 1739, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1722, "src": "30484:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 1733, "name": "getTradedAmounts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2027, "src": "30434:16:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint128_$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$_t_uint128_$", "typeString": "function (uint128,struct BatchExchange.Order memory) view returns (uint128,uint128)" } }, "id": 1740, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30434:56:0", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint128_$_t_uint128_$", "typeString": "tuple(uint128,uint128)" } }, "nodeType": "VariableDeclarationStatement", "src": "30392:98:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1743, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1706, "src": "30529:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1744, "name": "orderId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1714, "src": "30536:7:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, { "argumentTypes": null, "id": 1745, "name": "sellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1732, "src": "30545:10:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint16", "typeString": "uint16" }, { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1742, "name": "revertRemainingOrder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1544, "src": "30508:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint16_$_t_uint128_$returns$__$", "typeString": "function (address,uint16,uint128)" } }, "id": 1746, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "30508:48:0", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1747, "nodeType": "ExpressionStatement", "src": "30508:48:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1749, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1706, "src": "30599:5:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1751, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1722, "src": "30626:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1752, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buyToken", "nodeType": "MemberAccess", "referencedDeclaration": 82, "src": "30626:14:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1750, "name": "tokenIdToAddressMap", "nodeType": "Identifier", 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8640, "src": "32237:61:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1844, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32237:92:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "32212:117:0" }, { "assignments": [ 1847 ], "declarations": [ { "constant": false, "id": 1847, "name": "utilityError", "nodeType": "VariableDeclaration", "scope": 1869, "src": "32339:20:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1846, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "32339:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1863, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1860, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1806, "src": "32459:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1861, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "32459:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1854, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "32411:13:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 1857, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1855, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1806, "src": "32425:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1856, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "buyToken", "nodeType": "MemberAccess", "referencedDeclaration": 82, "src": "32425:14:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "32411:29:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1850, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1806, "src": "32383:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1851, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "32383:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "id": 1848, "name": "execSellTimesBuy", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1812, "src": "32362:16:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1849, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mod", "nodeType": "MemberAccess", "referencedDeclaration": 8699, "src": "32362:20:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1852, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32362:44:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1853, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "32362:48:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1858, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32362:79:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1859, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "32362:83:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1862, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32362:129:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "32339:152:0" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1866, "name": "utilityError", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1847, "src": "32527:12:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1864, "name": "roundedUtility", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1830, "src": "32508:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1865, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 8579, "src": "32508:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1867, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "32508:32:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 1810, "id": 1868, "nodeType": "Return", "src": "32501:39:0" } ] }, "documentation": "@dev Evaluates utility of executed trade\n@param execBuy represents proportion of order executed (in terms of buy amount)\n@param order the sell order whose utility is being evaluated\n@return Utility = ((execBuy * order.sellAmt - execSell * order.buyAmt) * price.buyToken) / order.sellAmt", "id": 1870, "implemented": true, "kind": "function", "modifiers": [], "name": "evaluateUtility", "nodeType": "FunctionDefinition", "parameters": { "id": 1807, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1804, "name": "execBuy", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31856:15:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1803, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "31856:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1806, "name": "order", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31873:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1805, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "31873:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" } ], "src": "31855:37:0" }, "returnParameters": { "id": 1810, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1809, "name": "", "nodeType": "VariableDeclaration", "scope": 1870, "src": "31915:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1808, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "31915:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "31914:9:0" }, "scope": 2226, "src": "31831:716:0", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 1950, "nodeType": "Block", "src": "33425:611:0", "statements": [ { "assignments": [ 1880 ], "declarations": [ { "constant": false, "id": 1880, "name": "leftoverSellAmount", "nodeType": "VariableDeclaration", "scope": 1950, "src": "33435:26:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1879, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33435:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1894, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1884, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33492:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } ], "id": 1883, "name": "getRemainingAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2083, "src": "33473:18:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_struct$_Order_$95_memory_ptr_$returns$_t_uint128_$", "typeString": "function (struct BatchExchange.Order memory) pure returns (uint128)" } }, "id": 1885, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33473:25:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1887, "name": "user", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1874, "src": "33511:4:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1889, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33537:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1890, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "33537:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "id": 1888, "name": "tokenIdToAddressMap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 907, "src": "33517:19:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint16_$returns$_t_address_$", "typeString": "function (uint16) view returns (address)" } }, "id": 1891, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33517:36:0", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1886, "name": "getBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3976, "src": "33500:10:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_address_$returns$_t_uint256_$", "typeString": "function (address,address) view returns (uint256)" } }, "id": 1892, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33500:54:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1881, "name": "Math", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8536, "src": "33464:4:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_Math_$8536_$", "typeString": "type(library Math)" } }, "id": 1882, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "min", "nodeType": "MemberAccess", "referencedDeclaration": 8503, "src": "33464:8:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1893, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33464:91:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "33435:120:0" }, { "assignments": [ 1896 ], "declarations": [ { "constant": false, "id": 1896, "name": "limitTermLeft", "nodeType": "VariableDeclaration", "scope": 1950, "src": "33565:21:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1895, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33565:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1905, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1902, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33624:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1903, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "33624:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1897, "name": "currentPrices", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 74, "src": "33589:13:0", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint16_$_t_uint128_$", "typeString": "mapping(uint16 => uint128)" } }, "id": 1900, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1898, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33603:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1899, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "sellToken", "nodeType": "MemberAccess", "referencedDeclaration": 84, "src": "33603:15:0", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "33589:30:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1901, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "33589:34:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1904, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33589:58:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "33565:82:0" }, { "assignments": [ 1907 ], "declarations": [ { "constant": false, "id": 1907, "name": "limitTermRight", "nodeType": "VariableDeclaration", "scope": 1950, "src": "33657:22:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1906, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33657:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1924, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1922, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1920, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "33776:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "33794:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "33776:19:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1917, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "33742:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 1911, "name": "currentPrices", "nodeType": "Identifier", 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"typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1908, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "33682:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1909, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceNumerator", "nodeType": "MemberAccess", "referencedDeclaration": 90, "src": "33682:20:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "id": 1910, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "33682:24:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1915, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33682:55:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1916, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "33682:59:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1918, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33682:76:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1919, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "33682:80:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1923, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33682:123:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "33657:148:0" }, { "assignments": [ 1926 ], "declarations": [ { "constant": false, "id": 1926, "name": "limitTerm", "nodeType": "VariableDeclaration", "scope": 1950, "src": "33815:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1925, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33815:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 1928, "initialValue": { "argumentTypes": null, "hexValue": "30", "id": 1927, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "33835:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "nodeType": "VariableDeclarationStatement", "src": "33815:21:0" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 1931, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1929, "name": "limitTermLeft", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1896, "src": "33850:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "id": 1930, "name": "limitTermRight", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1907, "src": "33866:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "33850:30:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 1940, "nodeType": "IfStatement", "src": "33846:106:0", "trueBody": { "id": 1939, "nodeType": "Block", "src": "33882:70:0", "statements": [ { "expression": { "argumentTypes": null, "id": 1937, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1932, "name": "limitTerm", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1926, "src": "33896:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1935, "name": "limitTermRight", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1907, "src": "33926:14:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1933, "name": "limitTermLeft", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1896, "src": "33908:13:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1934, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 8579, "src": "33908:17:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1936, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33908:33:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "33896:45:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1938, "nodeType": "ExpressionStatement", "src": "33896:45:0" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1946, "name": "order", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1872, "src": "34006:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order memory" } }, "id": 1947, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "priceDenominator", "nodeType": "MemberAccess", "referencedDeclaration": 92, "src": "34006:22:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1943, "name": "limitTerm", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1926, "src": "33991:9:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 1941, "name": "leftoverSellAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1880, "src": "33968:18:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1942, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "33968:22:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1944, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33968:33:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1945, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "33968:37:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1948, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "33968:61:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 1878, "id": 1949, "nodeType": "Return", "src": "33961:68:0" } ] }, "documentation": "@dev computes a measure of how much of an order was disregarded (only valid when limit price is respected)\n@param order the sell order whose disregarded utility is being evaluated\n@param user address of order's owner\n@return disregardedUtility of the order (after it has been applied)\nNote that:\n|disregardedUtility| = (limitTerm * leftoverSellAmount) / order.sellAmount\nwhere limitTerm = price.SellToken * order.sellAmt - order.buyAmt * price.buyToken / (1 - phi)\nand leftoverSellAmount = order.sellAmt - execSellAmt\nBalances and orders have all been updated so: sellAmount - execSellAmt == remainingAmount(order).\nFor correctness, we take the minimum of this with the user's token balance.", "id": 1951, "implemented": true, "kind": "function", "modifiers": [], "name": "evaluateDisregardedUtility", "nodeType": "FunctionDefinition", "parameters": { "id": 1875, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1872, "name": "order", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33360:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_memory_ptr", "typeString": "struct BatchExchange.Order" }, "typeName": { "contractScope": null, "id": 1871, "name": "Order", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 95, "src": "33360:5:0", "typeDescriptions": { "typeIdentifier": "t_struct$_Order_$95_storage_ptr", "typeString": "struct BatchExchange.Order" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 1874, "name": "user", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33380:12:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1873, "name": "address", "nodeType": "ElementaryTypeName", "src": "33380:7:0", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "33359:34:0" }, "returnParameters": { "id": 1878, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1877, "name": "", "nodeType": "VariableDeclaration", "scope": 1951, "src": "33416:7:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1876, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "33416:7:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "33415:9:0" }, "scope": 2226, "src": "33324:712:0", "stateMutability": "view", "superFunction": null, "visibility": "private" }, { "body": { "id": 1982, "nodeType": "Block", "src": "35326:325:0", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1977, "name": "sellTokenPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1957, "src": "35560:14:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1974, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "35522:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "id": 1971, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1969, "name": "FEE_DENOMINATOR", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 56, "src": "35480:15:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 1970, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "35498:1:0", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "35480:19:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1966, "name": "buyTokenPrice", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1955, "src": "35444:13:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1963, "name": "executedBuyAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1953, "src": "35404:17:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint128", "typeString": "uint128" } ], "id": 1962, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "35396:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 1964, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:26:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1965, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "35396:47:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1967, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:62:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1968, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "35396:83:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1972, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:104:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1973, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "mul", "nodeType": "MemberAccess", "referencedDeclaration": 8640, "src": "35396:125:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1975, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:142:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1976, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 8656, "src": "35396:163:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 1978, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:179:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 1979, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toUint128", "nodeType": "MemberAccess", "referencedDeclaration": 9719, "src": "35396:206:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint128_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint128)" } }, "id": 1980, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "35396:208:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "functionReturnParameters": 1961, "id": 1981, "nodeType": "Return", "src": "35377:227:0" } ] }, "documentation": "@dev Evaluates executedBuy amount based on prices and executedBuyAmout (fees included)\n@param executedBuyAmount amount of buyToken executed for purchase in batch auction\n@param buyTokenPrice uniform clearing price of buyToken\n@param sellTokenPrice uniform clearing price of sellToken\n@return executedSellAmount as expressed in Equation (2)\nhttps://github.com/gnosis/dex-contracts/issues/173#issuecomment-526163117\nexecSellAmount * p[sellToken] * (1 - phi) == execBuyAmount * p[buyToken]\nwhere phi = 1/FEE_DENOMINATOR\nNote that: 1 - phi = (FEE_DENOMINATOR - 1) / FEE_DENOMINATOR\nAnd so, 1/(1-phi) = FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\nexecSellAmount = (execBuyAmount * p[buyToken]) / (p[sellToken] * (1 - phi))\n = (execBuyAmount * buyTokenPrice / sellTokenPrice) * FEE_DENOMINATOR / (FEE_DENOMINATOR - 1)\nin order to minimize rounding errors, the order of operations is switched\n = ((executedBuyAmount * buyTokenPrice) / (FEE_DENOMINATOR - 1)) * FEE_DENOMINATOR) / sellTokenPrice", "id": 1983, "implemented": true, "kind": "function", "modifiers": [], "name": "getExecutedSellAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 1958, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1953, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 1983, "src": "35200:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", 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"35898:73:0", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint32", "typeString": "uint32" }, "id": 1994, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1988, "name": "latestSolution", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 76, "src": "35915:14:0", "typeDescriptions": { "typeIdentifier": "t_struct$_SolutionData_$117_storage", "typeString": "struct BatchExchange.SolutionData storage ref" } }, "id": 1989, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "batchId", "nodeType": "MemberAccess", "referencedDeclaration": 104, "src": "35915:22:0", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "commonType": { 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token information\n@return (executedBuyAmount, executedSellAmount)", "id": 2027, "implemented": true, "kind": "function", "modifiers": [], "name": "getTradedAmounts", "nodeType": "FunctionDefinition", "parameters": { "id": 2002, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1999, "name": "executedBuyAmount", "nodeType": "VariableDeclaration", "scope": 2027, "src": "36293:25:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" }, "typeName": { "id": 1998, "name": "uint128", "nodeType": "ElementaryTypeName", "src": "36293:7:0", "typeDescriptions": { "typeIdentifier": "t_uint128", "typeString": "uint128" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2001, "name": "order", "nodeType": "VariableDeclaration", "scope": 2027, "src": "36320:18:0", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": 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"storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2197, "name": "bool", "nodeType": "ElementaryTypeName", "src": "39322:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "39321:6:0" }, "scope": 2226, "src": "39243:269:0", "stateMutability": "pure", "superFunction": null, "visibility": "private" } ], "scope": 2227, "src": "753:38761:0" } ], "src": "0:39515:0" }, "compiler": { "name": "solc", "version": "0.5.10+commit.5a6ea5b1.Emscripten.clang" }, "networks": { "1": { "links": { "IdToAddressBiMap": "0xED4d05496C71e71cC2A8726af1242C22108d1761", "IterableAppendOnlySet": "0xCDDB32b6Bb2808D5B5115dAab207479cE98d2636" }, "address": "0x6F400810b62df8E13fded51bE75fF5393eaa841F", "transactionHash": "0xe74e8e965afc67f96a38caee794f008be33a7fe7ea96b9baad7b2963250ac36a" }, "4": { "links": { "IdToAddressBiMap": "0x5c4C6bf91240A5fdBfB9a1BEd8d43227046e2feA", "IterableAppendOnlySet": "0x0D47D0548FDAD66B06E81a826EED8c687aCddBCB" }, "address": "0xC576eA7bd102F7E476368a5E98FA455d1Ea34dE2", "transactionHash": "0xc5bf4f48747093a79b623c2a2392ccbdb73a3d788e7d1f0f53f640ea18496d90" }, "100": { "links": { "IdToAddressBiMap": "0x048E53A455a058462eA58442E1D94Fbc955495cB", "IterableAppendOnlySet": "0x57E6B987c2ccd421859A244dd22a0D5a62D88f91" }, "address": "0x25B06305CC4ec6AfCF3E7c0b673da1EF8ae26313", "transactionHash": "0xd5e7da686ace1ae7f1917ad54b8610ee936bdc900e56b495739795fba3d5e7c1" } }, "schemaVersion": "3.3.1", "updatedAt": "2020-11-19T13:56:16.611Z", "networkType": "ethereum", "devdoc": { "author": "@gnosis/dfusion-team ", "methods": { "addToken(address)": { "details": "Used to list a new token on the contract: Hence, making it available for exchange in an auction.", "params": { "token": "ERC20 token to be listed. * Requirements: - `maxTokens` has not already been reached - `token` has not already been added" } }, "cancelOrders(uint16[])": { "details": "a user facing function used to cancel orders. If the order is valid for the batch that is currently being solved, it sets order expiry to that batchId. Otherwise it removes it from storage. Can be called multiple times (e.g. to eventually free storage once order is expired).", "params": { "orderIds": "referencing the indices of user's orders to be cancelled * Emits an {OrderCancellation} or {OrderDeletion} with sender's address and orderId" } }, "constructor": { "details": "Constructor determines exchange parameters", "params": { "_feeToken": "Address of ERC20 fee token.", "maxTokens": "The maximum number of tokens that can be listed." } }, "deposit(address,uint256)": { "details": "credits user with deposit amount on next epoch (given by getCurrentBatchId)", "params": { "amount": "number of token(s) to be credited to user's account * Emits an {Deposit} event with relevent deposit information. * Requirements: - token transfer to contract is successfull", "token": "address of token to be deposited" } }, "getBalance(address,address)": { "details": "fetches and returns user's balance", "params": { "token": "address of ERC20 token return Current `token` balance of `user`'s account", "user": "address of user" } }, "getCurrentBatchId()": { "details": "getter function to determine current auction id. return current batchId" }, "getCurrentObjectiveValue()": { "details": "gets the objective value of currently winning solution.", "return": "objective function evaluation of the currently winning solution, or zero if no solution proposed." }, "getEncodedOrders()": { "details": "View returning all byte-encoded sell orders", "return": "encoded bytes representing all orders ordered by (user, index)" }, "getEncodedUserOrders(address)": { "details": "View returning all byte-encoded sell orders for specified user", "params": { "user": "address of user whose orders are being queried" }, "return": "encoded bytes representing all orders" }, "getEncodedUserOrdersPaginated(address,uint16,uint16)": { "details": "View returning all byte-encoded sell orders for specified user", "params": { "offset": "uint determining the starting orderIndex", "pageSize": "uint determining the count of elements to be viewed", "user": "address of user whose orders are being queried" }, "return": "encoded bytes representing all orders" }, "getEncodedUsersPaginated(address,uint16,uint16)": { "details": "View returning byte-encoded sell orders in paginated form", "params": { "pageSize": "uint determining the count of orders to be returned per page", "previousPageUser": "address of last user received in the previous page (address(0) for first page)", "previousPageUserOffset": "the number of orders received for the last user on the previous page (0 for first page)." }, "return": "encoded bytes representing a page of orders ordered by (user, index)" }, "getPendingDeposit(address,address)": { "details": "getter function used to display pending deposit", "params": { "token": "address of ERC20 token return amount and batchId of deposit's transfer if any (else 0)", "user": "address of user" } }, "getPendingWithdraw(address,address)": { "details": "getter function used to display pending withdraw", "params": { "token": "address of ERC20 token return amount and batchId when withdraw was requested if any (else 0)", "user": "address of user" } }, "getSecondsRemainingInBatch()": { "details": "used to determine how much time is left in a batch return seconds remaining in current batch" }, "getUsersPaginated(address,uint16)": { "details": "View returning all byte-encoded users in paginated form", "params": { "pageSize": "uint determining the count of users to be returned per page", "previousPageUser": "address of last user received in last pages (address(0) for first page)" }, "return": "encoded packed bytes of user addresses" }, "hasToken(address)": { "details": "View returning a bool attesting whether token was already added", "params": { "addr": "address of the token to be checked" }, "return": "bool attesting whether token was already added" }, "hasValidWithdrawRequest(address,address)": { "details": "Used to determine if user has a valid pending withdraw request of specific token", "params": { "token": "address of ERC20 token return true if `user` has valid withdraw request for `token`, otherwise false", "user": "address of user" } }, "placeOrder(uint16,uint16,uint32,uint128,uint128)": { "details": "A user facing function used to place limit sell orders in auction with expiry defined by batchId", "params": { "buyAmount": "relative minimum amount of requested buy amount", "buyToken": "id of token to be bought", "sellAmount": "maximum amount of sell token to be exchanged", "sellToken": "id of token to be sold", "validUntil": "batchId representing order's expiry" }, "return": "orderId defined as the index in user's order array * Emits an {OrderPlacement} event with all relevant order details." }, "placeValidFromOrders(uint16[],uint16[],uint32[],uint32[],uint128[],uint128[])": { "details": "A user facing function used to place limit sell orders in auction with expiry defined by batchId Note that parameters are passed as arrays and the indices correspond to each order.", "params": { "buyAmounts": "relative minimum amount of requested buy amounts", "buyTokens": "ids of tokens to be bought", "sellAmounts": "maximum amounts of sell token to be exchanged", "sellTokens": "ids of tokens to be sold", "validFroms": "batchIds representing order's validity start time", "validUntils": "batchIds representing order's expiry" }, "return": "`orderIds` an array of indices in which `msg.sender`'s orders are included * Emits an {OrderPlacement} event with all relevant order details." }, "replaceOrders(uint16[],uint16[],uint16[],uint32[],uint32[],uint128[],uint128[])": { "details": "A user facing wrapper to cancel and place new orders in the same transaction.", "params": { "buyAmounts": "relative minimum amount of requested buy amounts in new orders", "buyTokens": "ids of tokens to be bought in new orders", "cancellations": "indices of orders to be cancelled", "sellAmounts": "maximum amounts of sell token to be exchanged in new orders", "sellTokens": "ids of tokens to be sold in new orders", "validFroms": "batchIds representing order's validity start time in new orders", "validUntils": "batchIds represnnting order's expiry in new orders" }, "return": "an array of indices in which `msg.sender`'s new orders are included * Emits {OrderCancellation} events for all cancelled orders and {OrderPlacement} events with relevant new order details." }, "requestFutureWithdraw(address,uint256,uint32)": { "details": "Signals and initiates user's intent to withdraw.", "params": { "amount": "number of token(s) to be withdrawn", "batchId": "state index at which request is to be made. * Emits an {WithdrawRequest} event with relevent request information.", "token": "address of token to be withdrawn" } }, "requestWithdraw(address,uint256)": { "details": "Signals and initiates user's intent to withdraw.", "params": { "amount": "number of token(s) to be withdrawn * Emits an {WithdrawRequest} event with relevent request information.", "token": "address of token to be withdrawn" } }, "submitSolution(uint32,uint256,address[],uint16[],uint128[],uint128[],uint16[])": { "details": "a solver facing function called for auction settlement", "params": { "batchId": "index of auction solution is referring to", "buyVolumes": "executed buy amounts for each order identified by index of owner-orderId arrays", "orderIds": "array of order indices used in parallel with owners to identify touched order", "owners": "array of addresses corresponding to touched orders", "prices": "list of prices for touched tokens indexed by next parameter", "tokenIdsForPrice": "price[i] is the price for the token with tokenID tokenIdsForPrice[i]" }, "return": "the computed objective value of the solution * Requirements: - Solutions for this `batchId` are currently being accepted. - Claimed objetive value is a great enough improvement on the current winning solution - Fee Token price is non-zero - `tokenIdsForPrice` is sorted. - Number of touched orders does not exceed `MAX_TOUCHED_ORDERS`. - Each touched order is valid at current `batchId`. - Each touched order's `executedSellAmount` does not exceed its remaining amount. - Limit Price of each touched order is respected. - Solution's objective evaluation must be positive. * Sub Requirements: Those nested within other functions - checkAndOverrideObjectiveValue; Objetive value is a great enough improvement on the current winning solution - checkTokenConservation; for all, non-fee, tokens total amount sold == total amount bought" }, "tokenAddressToIdMap(address)": { "details": "View returning ID of listed tokens", "params": { "addr": "address of listed token." }, "return": "tokenId as stored within the contract." }, "tokenIdToAddressMap(uint16)": { "details": "View returning address of listed token by ID", "params": { "id": "tokenId as stored, via BiMap, within the contract." }, "return": "address of (listed) token" }, "withdraw(address,address)": { "details": "Claims pending withdraw - can be called on behalf of others", "params": { "token": "address of token to be withdrawn", "user": "address of user who withdraw is being claimed. * Emits an {Withdraw} event stating that `user` withdrew `amount` of `token` * Requirements: - withdraw was requested in previous epoch - token was received from exchange in current auction batch" } } }, "title": "BatchExchange - A decentralized exchange for any ERC20 token as a multi-token batch auction with uniform clearing prices. For more information visit: " }, "userdoc": { "methods": {} } }