{ "contractName": "SolutionSubmitter", "abi": [ { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "gasPriceThreshold", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "gasToken", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "exchange", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "name": "exchange_", "type": "address" }, { "name": "gasToken_", "type": "address" }, { "name": "gasPriceThreshold_", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": false, "inputs": [ { "name": "gasToken_", "type": "address" } ], "name": "setGasToken", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "gasPriceThreshold_", "type": "uint256" } ], "name": "setGasPriceThreshold", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "target", "type": "address" }, { "name": "data", "type": "bytes" } ], "name": "execute", "outputs": [ { "name": "", "type": "bool" }, { "name": "", "type": "bytes" } ], "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" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.10+commit.5a6ea5b1\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":false,\"inputs\":[{\"name\":\"target\",\"type\":\"address\"},{\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"execute\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"},{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"gasToken_\",\"type\":\"address\"}],\"name\":\"setGasToken\",\"outputs\":[],\"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\":false,\"inputs\":[{\"name\":\"gasPriceThreshold_\",\"type\":\"uint256\"}],\"name\":\"setGasPriceThreshold\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"gasPriceThreshold\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"gasToken\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"exchange\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"exchange_\",\"type\":\"address\"},{\"name\":\"gasToken_\",\"type\":\"address\"},{\"name\":\"gasPriceThreshold_\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"}],\"devdoc\":{\"methods\":{\"execute(address,bytes)\":{\"details\":\"Allow the owner to execute arbitrary code (e.g. transfer out solution fee rewards from BatchExchange)\"},\"isOwner()\":{\"details\":\"Returns true if the caller is the current owner.\"},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"submitSolution(uint32,uint256,address[],uint16[],uint128[],uint128[],uint16[])\":{\"details\":\"Wrapper around actual solution submission that uses gas tokens for discounts\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"title\":\"SolutionSubmitter - A simple wrapper contract allowing to submit settlements to the BatchExchange contract while saving gas via the GST2 or CHI GasToken\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"/Users/felixleupold/Gnosis/dex-contracts/contracts/SolutionSubmitter.sol\":\"SolutionSubmitter\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/Users/felixleupold/Gnosis/dex-contracts/contracts/BatchExchange.sol\":{\"keccak256\":\"0x86ee38a100f345aa50cf92c1acfe46068b4f18ecd39437117292f15574002f69\",\"urls\":[\"bzzr://f368b30c2ffe351b79494cbb883cb4cce413036d86e5f0b355fd72f9c06b64ab\",\"dweb:/ipfs/QmaGRaBKLWJXxYG6JmAcTNSqWUnY1uneBFUVtNrkfyLbXk\"]},\"/Users/felixleupold/Gnosis/dex-contracts/contracts/EpochTokenLocker.sol\":{\"keccak256\":\"0x6a0e16a44b858c3af0e4e0113af93bf23160f175f36c524f9e753085d8de9978\",\"urls\":[\"bzzr://d6178f1d3533ed733e7eba91d12ce1597711e5b74ad1a4492aed9dc28a8d5c97\",\"dweb:/ipfs/QmeVeD8xeZUfwRi4BCBhrBWCHUDF3tdzwwYDgSNr5T4xPo\"]},\"/Users/felixleupold/Gnosis/dex-contracts/contracts/SolutionSubmitter.sol\":{\"keccak256\":\"0x3cbfadaa94c34e04a369e69be8fc3d5b65e089220ed50eb42c921e8ad48c4d5e\",\"urls\":[\"bzzr://99f30c426f7a5967415f4dab9287acc4ef0e0f637f49d4b392d3b7709d54348b\",\"dweb:/ipfs/QmNiaWpFS3e8K2EXovMU5iiE3D3U9UaNLfH3rVkxAPMozw\"]},\"/Users/felixleupold/Gnosis/dex-contracts/contracts/libraries/TokenConservation.sol\":{\"keccak256\":\"0x674557850e56ef6a716bb1dc528479e290238c592d0764bc7144cc1e811cedea\",\"urls\":[\"bzzr://f6a943472678132ef59cf3b2f131daf28952c1b72cd0e28bda46050dd577a29b\",\"dweb:/ipfs/QmbQsAgu7Fd6i84A98DxXemSnW3UkgccXxNnZLKvtuzHdE\"]},\"@gnosis.pm/owl-token/contracts/5/TokenOWL.sol\":{\"keccak256\":\"0x79dd31b4211c98b57c6c4b85c4902a786c0a1f2549b0481496a322955880c6e4\",\"urls\":[\"bzzr://9004a7707bca62b408542476343c3bd6ca17be5509a3f17e7495ff011495d3c6\",\"dweb:/ipfs/QmNaoSa5P6Py6ZhuqXZeeW6eyG8Hx7FYJFygXPNVBeXSJV\"]},\"@gnosis.pm/solidity-data-structures/contracts/libraries/IdToAddressBiMap.sol\":{\"keccak256\":\"0xde850dc49a037a4acbd792d295afed2222f2d6cd3780240317db2d1ca8ccebc0\",\"urls\":[\"bzzr://900a7be0f54054d59ccb3225f788d77dbf44ea22e6b8d7bd7d295f079c8932f0\",\"dweb:/ipfs/QmNQTeooqchHdMjQfRUmCjwyTUg5PJ4z6he3ym5YUsm8Lm\"]},\"@gnosis.pm/solidity-data-structures/contracts/libraries/IterableAppendOnlySet.sol\":{\"keccak256\":\"0x1447fbecc010c778476e135325a5c8fec70d02d71f736fae8cfccd85ae481241\",\"urls\":[\"bzzr://eea3ac90e8b9e299179c21134dfbf8be2d5ae1276816f2f95f63b836e11e285e\",\"dweb:/ipfs/QmZMn8wVzmr49CXjaix5BMWSNybkDv6BeSQpAFr3btaxuu\"]},\"@gnosis.pm/util-contracts/contracts/GnosisStandardToken.sol\":{\"keccak256\":\"0xdec5028208406e811c449a04e2932f7efeae629388cb6124550b8b048a645556\",\"urls\":[\"bzzr://f3d13a708f543b3ce72745cab321e6daf25d935fd12ba55a4152f1113eb6d5e4\",\"dweb:/ipfs/QmRPMmVo88kdtvo2Yo9xDJrQkpYSUENwK1xSEhZnHhViZ7\"]},\"@gnosis.pm/util-contracts/contracts/Math.sol\":{\"keccak256\":\"0x857768cd0d460e33778dcde29e997b539640bbf37ea23832213b2e5039147ea5\",\"urls\":[\"bzzr://628f7e63a0d6a092aad389b70cc55d6d9c10cd9753f3644d5ea9dc75a3314a8e\",\"dweb:/ipfs/QmP4NxUFWoJjGi8NoZgmzre3MHfRXLtDniwLojH5TVc9LD\"]},\"@gnosis.pm/util-contracts/contracts/Proxy.sol\":{\"keccak256\":\"0x2ff8795110cceafcab1010f157a4dd33e46378bb88fbdc3c313a6f0d62e3444f\",\"urls\":[\"bzzr://66d77feaf648ca17dd620f3e27463b4b6e6031fec7ccd64dfffc4c30bd57b467\",\"dweb:/ipfs/QmQTKFQxUoP37Up8JPeWh47Ta46qAMtWTZ7VnQrGypR67i\"]},\"@gnosis.pm/util-contracts/contracts/Token.sol\":{\"keccak256\":\"0x364778f634c900ed83553e17ef1284bd33fa68a738e668f664b4a0fa675bb586\",\"urls\":[\"bzzr://cb31caaf3364dbf5d688adb10de074284845b142c26d23a47b09ee510dd4a432\",\"dweb:/ipfs/QmVE5i2jcg6aCSjY8asvUwPbrZWtpLyA4uWukQXBbFvqpc\"]},\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0x90a3995645af7562d84b9d69363ffa5ae7217714ab61e951bf7bc450f40e4061\",\"urls\":[\"bzzr://51482c01bddf23793bddee43b60ab9578a62948a4f2082def24ea792a553b055\",\"dweb:/ipfs/QmNPrJ4MWKUAWzKXpUqeyKRUfosaoANZAqXgvepdrCwZAG\"]},\"@openzeppelin/contracts/drafts/SignedSafeMath.sol\":{\"keccak256\":\"0xf1587a6daea33c93e85fff4e205967183de459159aafcb01b7397fb7ec1f9f77\",\"urls\":[\"bzzr://3fa5ad67118819b61448882baec9ca9964dde65630f574ab3c38841110082923\",\"dweb:/ipfs/QmTaR64X6RsWzXvVGxPCaAoW7ZZ8Fhiii4ddRo7QpQGBrx\"]},\"@openzeppelin/contracts/math/Math.sol\":{\"keccak256\":\"0x4b5aa451e4e8801478708f94b118a7821c0500d676255eaf89fc78c14856ce4e\",\"urls\":[\"bzzr://200d5728b32858918810d8d7a8db1406ee9b157ad5026f050e6d864a696b9080\",\"dweb:/ipfs/QmS6tW81u8E4tvzVfVuqEuMCkdwAozQ6pKJPRBR4JEVmQp\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x640b6dee7a4b830bdfd52b5031a07fc2b12209f5b2e29e5d364a7d37f69d8076\",\"urls\":[\"bzzr://292843005e754e752644f767477ec5ad7a1ffc91ddb18c38b8079c62f3993cad\",\"dweb:/ipfs/QmbZaJyXdpsYGykVhHH9qpVGQg9DGCxE2QufbCUy3daTgq\"]},\"@openzeppelin/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x6fb9d7889769d7cc161225f9ef7a90e468ba9788b253816f8d8b6894d3472c24\",\"urls\":[\"bzzr://ab46c9368bc3abdded5eb85858304518c8a0291060ab42087075d759dbf3925f\",\"dwe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"source": "pragma solidity ^0.5.0;\n\nimport \"./BatchExchange.sol\";\nimport \"@openzeppelin/contracts/ownership/Ownable.sol\";\n\ninterface GasToken {\n function freeUpTo(uint256 value) external returns (uint256 freed);\n}\n\n/** @title SolutionSubmitter - A simple wrapper contract allowing to submit settlements\n * to the BatchExchange contract while saving gas via the GST2 or CHI GasToken\n */\ncontract SolutionSubmitter is Ownable {\n BatchExchange public exchange;\n GasToken public gasToken;\n uint256 public gasPriceThreshold;\n\n constructor(\n BatchExchange exchange_,\n GasToken gasToken_,\n uint256 gasPriceThreshold_\n ) public {\n exchange = exchange_;\n setGasToken(gasToken_);\n setGasPriceThreshold(gasPriceThreshold_);\n }\n\n function setGasToken(GasToken gasToken_) public onlyOwner {\n gasToken = gasToken_;\n }\n\n function setGasPriceThreshold(uint256 gasPriceThreshold_) public onlyOwner {\n gasPriceThreshold = gasPriceThreshold_;\n }\n\n /**\n * @dev Allow the owner to execute arbitrary code (e.g. transfer out solution fee rewards from BatchExchange)\n */\n function execute(address target, bytes calldata data) external onlyOwner returns (bool, bytes memory) {\n // solium-disable-next-line security/no-low-level-calls\n return target.call(data);\n }\n\n /**\n * @dev Wrapper around actual solution submission that uses gas tokens for discounts\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 gasDiscounted returns (uint256) {\n return exchange.submitSolution(batchId, claimedObjectiveValue, owners, orderIds, buyVolumes, prices, tokenIdsForPrice);\n }\n\n /**\n * @dev Modifier to invoke original method and freeing up to half the maximum gas refund in gas tokens.\n * Logic adjusted from https://1inch-exchange.medium.com/1inch-introduces-chi-gastoken-d0bd5bb0f92b\n */\n modifier gasDiscounted {\n if (tx.gasprice >= gasPriceThreshold) {\n uint256 gasStart = gasleft();\n _;\n uint256 gasSpent = 21000 + gasStart - gasleft() + (16 * msg.data.length);\n // The refund is 24k per token and since we can refund up to half of the total gas spent,\n // we should free one gas token for every 48k gas spent. This doesn't account for the cost\n // of freeUpTo itself and this slightly underestimating the amout of tokens to burn. This is\n // fine as we cannot account for other refunds coming from the solution submission intself.\n gasToken.freeUpTo((gasSpent) / 48000);\n } else {\n _;\n }\n }\n}\n", "sourcePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/SolutionSubmitter.sol", "ast": { "absolutePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/SolutionSubmitter.sol", "exportedSymbols": { "GasToken": [ 4257 ], "SolutionSubmitter": [ 4411 ] }, "id": 4412, "nodeType": "SourceUnit", "nodes": [ { "id": 4247, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:5" }, { "absolutePath": "/Users/felixleupold/Gnosis/dex-contracts/contracts/BatchExchange.sol", "file": "./BatchExchange.sol", "id": 4248, "nodeType": "ImportDirective", "scope": 4412, "sourceUnit": 2227, "src": "25:29:5", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/ownership/Ownable.sol", "file": "@openzeppelin/contracts/ownership/Ownable.sol", "id": 4249, "nodeType": "ImportDirective", "scope": 4412, "sourceUnit": 8842, "src": "55:55:5", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "interface", "documentation": null, "fullyImplemented": false, "id": 4257, "linearizedBaseContracts": [ 4257 ], "name": "GasToken", "nodeType": "ContractDefinition", "nodes": [ { "body": null, "documentation": null, "id": 4256, "implemented": false, "kind": "function", "modifiers": [], "name": "freeUpTo", "nodeType": "FunctionDefinition", "parameters": { "id": 4252, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4251, "name": "value", "nodeType": "VariableDeclaration", "scope": 4256, "src": "155:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4250, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "155:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "154:15:5" }, "returnParameters": { "id": 4255, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4254, "name": "freed", "nodeType": "VariableDeclaration", "scope": 4256, "src": "188:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4253, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "188:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "187:15:5" }, "scope": 4257, "src": "137:66:5", "stateMutability": "nonpayable", "superFunction": null, "visibility": "external" } ], "scope": 4412, "src": "112:93:5" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 4258, "name": "Ownable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8841, "src": "408:7:5", "typeDescriptions": { "typeIdentifier": "t_contract$_Ownable_$8841", "typeString": "contract Ownable" } }, "id": 4259, "nodeType": "InheritanceSpecifier", "src": "408:7:5" } ], "contractDependencies": [ 8105, 8841 ], "contractKind": "contract", "documentation": "@title SolutionSubmitter - A simple wrapper contract allowing to submit settlements\nto the BatchExchange contract while saving gas via the GST2 or CHI GasToken", "fullyImplemented": true, "id": 4411, "linearizedBaseContracts": [ 4411, 8841, 8105 ], "name": "SolutionSubmitter", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 4261, "name": "exchange", "nodeType": "VariableDeclaration", "scope": 4411, "src": "422:29:5", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" }, "typeName": { "contractScope": null, "id": 4260, "name": "BatchExchange", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2226, "src": "422:13:5", "typeDescriptions": { "typeIdentifier": "t_contract$_BatchExchange_$2226", "typeString": "contract BatchExchange" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 4263, "name": "gasToken", "nodeType": "VariableDeclaration", "scope": 4411, "src": "457:24:5", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_GasToken_$4257", "typeString": "contract GasToken" }, "typeName": { "contractScope": null, "id": 4262, "name": "GasToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4257, "src": "457:8:5", "typeDescriptions": { "typeIdentifier": "t_contract$_GasToken_$4257", "typeString": "contract GasToken" } }, "value": null, "visibility": "public" }, { "constant": false, "id": 4265, "name": "gasPriceThreshold", "nodeType": "VariableDeclaration", "scope": 4411, "src": "487:32:5", "stateVariable": true, 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false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2242:9:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "2223:28:5" }, { "id": 4379, "nodeType": "PlaceholderStatement", "src": "2265:1:5" }, { "assignments": [ 4381 ], "declarations": [ { "constant": false, "id": 4381, "name": "gasSpent", "nodeType": "VariableDeclaration", "scope": 4405, "src": "2280:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4380, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2280:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 4395, "initialValue": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4394, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4387, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4384, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "3231303030", "id": 4382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2299:5:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_21000_by_1", "typeString": "int_const 21000" }, "value": "21000" }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 4383, "name": "gasStart", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4375, "src": "2307:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2299:16:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4385, "name": "gasleft", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10235, "src": "2318:7:5", "typeDescriptions": { "typeIdentifier": "t_function_gasleft_view$__$returns$_t_uint256_$", "typeString": "function () view returns (uint256)" } }, "id": 4386, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2318:9:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2299:28:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4392, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "hexValue": "3136", "id": 4388, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2331:2:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_16_by_1", "typeString": "int_const 16" }, "value": "16" }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4389, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10242, "src": "2336:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4390, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "data", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2336:8:5", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "id": 4391, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2336:15:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2331:20:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 4393, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "2330:22:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2299:53:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "2280:72:5" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4402, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 4399, "name": "gasSpent", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4381, "src": "2799:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 4400, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "2798:10:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "hexValue": "3438303030", "id": 4401, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2811:5:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_48000_by_1", "typeString": "int_const 48000" }, "value": "48000" }, "src": "2798:18:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 4396, "name": "gasToken", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4263, "src": "2780:8:5", "typeDescriptions": { "typeIdentifier": "t_contract$_GasToken_$4257", "typeString": "contract GasToken" } }, "id": 4398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "freeUpTo", "nodeType": "MemberAccess", "referencedDeclaration": 4256, "src": "2780:17:5", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) external returns (uint256)" } }, "id": 4403, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2780:37:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4404, "nodeType": "ExpressionStatement", "src": "2780:37:5" } ] } } ] }, "documentation": "@dev Modifier to invoke original method and freeing up to half the maximum gas refund in gas tokens.\nLogic adjusted from https://1inch-exchange.medium.com/1inch-introduces-chi-gastoken-d0bd5bb0f92b", "id": 4410, "name": "gasDiscounted", "nodeType": "ModifierDefinition", "parameters": { "id": 4369, "nodeType": "ParameterList", "parameters": [], "src": "2161:0:5" }, "src": "2138:728:5", "visibility": "internal" } ], "scope": 4412, "src": "378:2490:5" } ], "src": "0:2869:5" }, "compiler": { "name": "solc", "version": "0.5.10+commit.5a6ea5b1.Emscripten.clang" }, "networks": { "1": { "links": {}, "address": "0xA1c956d7C3D8Ea7fd7E3757062e4aC563F07e68a", "transactionHash": "0x071caa3075e6cc259b0c59e67e3a9439f7c295b518c609f1b8c55be00b44d6bb" } }, "schemaVersion": "3.3.1", "updatedAt": "2020-11-19T13:56:16.638Z", "networkType": "ethereum", "devdoc": { "methods": { "execute(address,bytes)": { "details": "Allow the owner to execute arbitrary code (e.g. transfer out solution fee rewards from BatchExchange)" }, "isOwner()": { "details": "Returns true if the caller is the current owner." }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "submitSolution(uint32,uint256,address[],uint16[],uint128[],uint128[],uint16[])": { "details": "Wrapper around actual solution submission that uses gas tokens for discounts" }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } }, "title": "SolutionSubmitter - A simple wrapper contract allowing to submit settlements to the BatchExchange contract while saving gas via the GST2 or CHI GasToken" }, "userdoc": { "methods": {} } }