{ "contractName": "StandardMarket", "abi": [ { "constant": true, "inputs": [], "name": "creator", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "marketMaker", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "createdAtBlock", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "uint256" } ], "name": "netOutcomeTokensSold", "outputs": [ { "name": "", "type": "int256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "stage", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "funding", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "fee", "outputs": [ { "name": "", "type": "uint24" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "eventContract", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "FEE_RANGE", "outputs": [ { "name": "", "type": "uint24" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "inputs": [ { "name": "_creator", "type": "address" }, { "name": "_eventContract", "type": "address" }, { "name": "_marketMaker", "type": "address" }, { "name": "_fee", "type": "uint24" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "funding", "type": "uint256" } ], "name": "MarketFunding", "type": "event" }, { "anonymous": false, "inputs": [], "name": "MarketClosing", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "fees", "type": "uint256" } ], "name": "FeeWithdrawal", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "buyer", "type": "address" }, { "indexed": false, "name": "outcomeTokenIndex", "type": "uint8" }, { "indexed": false, "name": "outcomeTokenCount", "type": "uint256" }, { "indexed": false, "name": "outcomeTokenCost", "type": "uint256" }, { "indexed": false, "name": "marketFees", "type": "uint256" } ], "name": "OutcomeTokenPurchase", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "seller", "type": "address" }, { "indexed": false, "name": "outcomeTokenIndex", "type": "uint8" }, { "indexed": false, "name": "outcomeTokenCount", "type": "uint256" }, { "indexed": false, "name": "outcomeTokenProfit", "type": "uint256" }, { "indexed": false, "name": "marketFees", "type": "uint256" } ], "name": "OutcomeTokenSale", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "buyer", "type": "address" }, { "indexed": false, "name": "outcomeTokenIndex", "type": "uint8" }, { "indexed": false, "name": "outcomeTokenCount", "type": "uint256" }, { "indexed": false, "name": "cost", "type": "uint256" } ], "name": "OutcomeTokenShortSale", "type": "event" }, { "constant": false, "inputs": [ { "name": "_funding", "type": "uint256" } ], "name": "fund", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "close", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "withdrawFees", "outputs": [ { "name": "fees", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "outcomeTokenIndex", "type": "uint8" }, { "name": "outcomeTokenCount", "type": "uint256" }, { "name": "maxCost", "type": "uint256" } ], "name": "buy", "outputs": [ { "name": "cost", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "outcomeTokenIndex", "type": "uint8" }, { "name": "outcomeTokenCount", "type": "uint256" }, { "name": "minProfit", "type": "uint256" } ], "name": "sell", "outputs": [ { "name": "profit", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "outcomeTokenIndex", "type": "uint8" }, { "name": "outcomeTokenCount", "type": "uint256" }, { "name": "minProfit", "type": "uint256" } ], "name": "shortSell", "outputs": [ { "name": "cost", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "outcomeTokenCost", "type": "uint256" } ], "name": "calcMarketFee", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.15;\nimport \"../Markets/Market.sol\";\nimport \"../Tokens/Token.sol\";\nimport \"../Events/Event.sol\";\nimport \"../MarketMakers/MarketMaker.sol\";\n\n\n/// @title Market factory contract - Allows to create market contracts\n/// @author Stefan George - \ncontract StandardMarket is Market {\n using Math for *;\n\n /*\n * Constants\n */\n uint24 public constant FEE_RANGE = 1000000; // 100%\n\n /*\n * Modifiers\n */\n modifier isCreator() {\n // Only creator is allowed to proceed\n require(msg.sender == creator);\n _;\n }\n\n modifier atStage(Stages _stage) {\n // Contract has to be in given stage\n require(stage == _stage);\n _;\n }\n\n /*\n * Public functions\n */\n /// @dev Constructor validates and sets market properties\n /// @param _creator Market creator\n /// @param _eventContract Event contract\n /// @param _marketMaker Market maker contract\n /// @param _fee Market fee\n function StandardMarket(address _creator, Event _eventContract, MarketMaker _marketMaker, uint24 _fee)\n public\n {\n // Validate inputs\n require(address(_eventContract) != 0 && address(_marketMaker) != 0 && _fee < FEE_RANGE);\n creator = _creator;\n createdAtBlock = block.number;\n eventContract = _eventContract;\n netOutcomeTokensSold = new int[](eventContract.getOutcomeCount());\n fee = _fee;\n marketMaker = _marketMaker;\n stage = Stages.MarketCreated;\n }\n\n /// @dev Allows to fund the market with collateral tokens converting them into outcome tokens\n /// @param _funding Funding amount\n function fund(uint _funding)\n public\n isCreator\n atStage(Stages.MarketCreated)\n {\n // Request collateral tokens and allow event contract to transfer them to buy all outcomes\n require( eventContract.collateralToken().transferFrom(msg.sender, this, _funding)\n && eventContract.collateralToken().approve(eventContract, _funding));\n eventContract.buyAllOutcomes(_funding);\n funding = _funding;\n stage = Stages.MarketFunded;\n MarketFunding(funding);\n }\n\n /// @dev Allows market creator to close the markets by transferring all remaining outcome tokens to the creator\n function close()\n public\n isCreator\n atStage(Stages.MarketFunded)\n {\n uint8 outcomeCount = eventContract.getOutcomeCount();\n for (uint8 i = 0; i < outcomeCount; i++)\n require(eventContract.outcomeTokens(i).transfer(creator, eventContract.outcomeTokens(i).balanceOf(this)));\n stage = Stages.MarketClosed;\n MarketClosing();\n }\n\n /// @dev Allows market creator to withdraw fees generated by trades\n /// @return Fee amount\n function withdrawFees()\n public\n isCreator\n returns (uint fees)\n {\n fees = eventContract.collateralToken().balanceOf(this);\n // Transfer fees\n require(eventContract.collateralToken().transfer(creator, fees));\n FeeWithdrawal(fees);\n }\n\n /// @dev Allows to buy outcome tokens from market maker\n /// @param outcomeTokenIndex Index of the outcome token to buy\n /// @param outcomeTokenCount Amount of outcome tokens to buy\n /// @param maxCost The maximum cost in collateral tokens to pay for outcome tokens\n /// @return Cost in collateral tokens\n function buy(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint maxCost)\n public\n atStage(Stages.MarketFunded)\n returns (uint cost)\n {\n // Calculate cost to buy outcome tokens\n uint outcomeTokenCost = marketMaker.calcCost(this, outcomeTokenIndex, outcomeTokenCount);\n // Calculate fees charged by market\n uint fees = calcMarketFee(outcomeTokenCost);\n cost = outcomeTokenCost.add(fees);\n // Check cost doesn't exceed max cost\n require(cost > 0 && cost <= maxCost);\n // Transfer tokens to markets contract and buy all outcomes\n require( eventContract.collateralToken().transferFrom(msg.sender, this, cost)\n && eventContract.collateralToken().approve(eventContract, outcomeTokenCost));\n // Buy all outcomes\n eventContract.buyAllOutcomes(outcomeTokenCost);\n // Transfer outcome tokens to buyer\n require(eventContract.outcomeTokens(outcomeTokenIndex).transfer(msg.sender, outcomeTokenCount));\n // Add outcome token count to market maker net balance\n require(int(outcomeTokenCount) >= 0);\n netOutcomeTokensSold[outcomeTokenIndex] = netOutcomeTokensSold[outcomeTokenIndex].add(int(outcomeTokenCount));\n OutcomeTokenPurchase(msg.sender, outcomeTokenIndex, outcomeTokenCount, outcomeTokenCost, fees);\n }\n\n /// @dev Allows to sell outcome tokens to market maker\n /// @param outcomeTokenIndex Index of the outcome token to sell\n /// @param outcomeTokenCount Amount of outcome tokens to sell\n /// @param minProfit The minimum profit in collateral tokens to earn for outcome tokens\n /// @return Profit in collateral tokens\n function sell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit)\n public\n atStage(Stages.MarketFunded)\n returns (uint profit)\n {\n // Calculate profit for selling outcome tokens\n uint outcomeTokenProfit = marketMaker.calcProfit(this, outcomeTokenIndex, outcomeTokenCount);\n // Calculate fee charged by market\n uint fees = calcMarketFee(outcomeTokenProfit);\n profit = outcomeTokenProfit.sub(fees);\n // Check profit is not too low\n require(profit > 0 && profit >= minProfit);\n // Transfer outcome tokens to markets contract to sell all outcomes\n require(eventContract.outcomeTokens(outcomeTokenIndex).transferFrom(msg.sender, this, outcomeTokenCount));\n // Sell all outcomes\n eventContract.sellAllOutcomes(outcomeTokenProfit);\n // Transfer profit to seller\n require(eventContract.collateralToken().transfer(msg.sender, profit));\n // Subtract outcome token count from market maker net balance\n require(int(outcomeTokenCount) >= 0);\n netOutcomeTokensSold[outcomeTokenIndex] = netOutcomeTokensSold[outcomeTokenIndex].sub(int(outcomeTokenCount));\n OutcomeTokenSale(msg.sender, outcomeTokenIndex, outcomeTokenCount, outcomeTokenProfit, fees);\n }\n\n /// @dev Buys all outcomes, then sells all shares of selected outcome which were bought, keeping\n /// shares of all other outcome tokens.\n /// @param outcomeTokenIndex Index of the outcome token to short sell\n /// @param outcomeTokenCount Amount of outcome tokens to short sell\n /// @param minProfit The minimum profit in collateral tokens to earn for short sold outcome tokens\n /// @return Cost to short sell outcome in collateral tokens\n function shortSell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit)\n public\n returns (uint cost)\n {\n // Buy all outcomes\n require( eventContract.collateralToken().transferFrom(msg.sender, this, outcomeTokenCount)\n && eventContract.collateralToken().approve(eventContract, outcomeTokenCount));\n eventContract.buyAllOutcomes(outcomeTokenCount);\n // Short sell selected outcome\n eventContract.outcomeTokens(outcomeTokenIndex).approve(this, outcomeTokenCount);\n uint profit = this.sell(outcomeTokenIndex, outcomeTokenCount, minProfit);\n cost = outcomeTokenCount - profit;\n // Transfer outcome tokens to buyer\n uint8 outcomeCount = eventContract.getOutcomeCount();\n for (uint8 i = 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"expression": { "argumentTypes": [ { "typeIdentifier": "t_int256", "typeString": "int256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2706, "name": "netOutcomeTokensSold", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2314, "src": "4617:20:10", "typeDescriptions": { "typeIdentifier": "t_array$_t_int256_$dyn_storage", "typeString": "int256[] storage ref" } }, "id": 2708, "indexExpression": { "argumentTypes": null, "id": 2707, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2612, "src": "4638:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4617:39:10", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 2709, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 4568, "src": "4617:43:10", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_int256_$_t_int256_$returns$_t_int256_$bound_to$_t_int256_$", "typeString": "function (int256,int256) view returns (int256)" } }, "id": 2713, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4617:67:10", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "src": "4575:109:10", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 2715, "nodeType": "ExpressionStatement", "src": "4575:109:10" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2717, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9180, "src": "4715:3:10", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2718, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4715:10:10", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2719, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2612, "src": "4727:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "argumentTypes": null, "id": 2720, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2614, "src": "4746:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2721, "name": "outcomeTokenCost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2626, "src": "4765:16:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2722, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2635, "src": "4783:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2716, "name": "OutcomeTokenPurchase", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2277, "src": "4694:20:10", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint8_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$", "typeString": "function (address,uint8,uint256,uint256,uint256)" } }, "id": 2723, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4694:94:10", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2724, "nodeType": "ExpressionStatement", "src": "4694:94:10" } ] }, "documentation": "@dev Allows to buy outcome tokens from market maker\n @param outcomeTokenIndex Index of the outcome token to buy\n @param outcomeTokenCount Amount of outcome tokens to buy\n @param maxCost The maximum cost in collateral tokens to pay for outcome tokens\n @return Cost in collateral tokens", "id": 2726, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2619, "name": "Stages", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2320, "src": "3542:6:10", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_Stages_$2320_$", "typeString": "type(enum Market.Stages)" } }, "id": 2620, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "MarketFunded", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3542:19:10", "typeDescriptions": { "typeIdentifier": "t_enum$_Stages_$2320", "typeString": "enum Market.Stages" } } ], "id": 2621, "modifierName": { "argumentTypes": null, "id": 2618, "name": "atStage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2410, "src": "3534:7:10", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_enum$_Stages_$2320_$", "typeString": "modifier (enum Market.Stages)" } }, "nodeType": "ModifierInvocation", "src": "3534:28:10" } ], "name": "buy", "nodeType": "FunctionDefinition", "parameters": { "id": 2617, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2612, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3448:23:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 2611, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3448:5:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2614, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3473:22:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2613, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3473:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2616, "name": "maxCost", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3497:12:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2615, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3497:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3447:63:10" }, "payable": false, "returnParameters": { "id": 2624, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2623, "name": "cost", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3580:9:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2622, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3580:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3579:11:10" }, "scope": 2964, "src": "3435:1360:10", "stateMutability": "nonpayable", "superFunction": 2344, "visibility": "public" }, { "body": { "id": 2833, "nodeType": "Block", "src": "5295:1132:10", "statements": [ { "assignments": [ 2742 ], "declarations": [ { "constant": false, "id": 2742, "name": "outcomeTokenProfit", "nodeType": "VariableDeclaration", "scope": 2834, "src": "5360:23:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2741, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5360:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2749, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2745, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9243, "src": "5409:4:10", "typeDescriptions": { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" } }, { "argumentTypes": null, "id": 2746, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2728, "src": "5415:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "argumentTypes": null, "id": 2747, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2730, "src": "5434:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 2743, "name": "marketMaker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2307, "src": "5386:11:10", "typeDescriptions": { "typeIdentifier": "t_contract$_MarketMaker_$2251", "typeString": "contract MarketMaker" } }, "id": 2744, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "calcProfit", "nodeType": "MemberAccess", "referencedDeclaration": 2241, "src": "5386:22:10", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_contract$_Market_$2374_$_t_uint8_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (contract Market,uint8,uint256) view external returns (uint256)" } }, "id": 2748, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5386:66:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5360:92:10" }, { "assignments": [ 2751 ], "declarations": [ { "constant": false, "id": 2751, "name": "fees", "nodeType": "VariableDeclaration", "scope": 2834, "src": "5505:9:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2750, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5505:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2755, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2753, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "5531:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2752, "name": "calcMarketFee", "nodeType": "Identifier", "overloadedDeclarations": [ 2963 ], "referencedDeclaration": 2963, "src": "5517:13:10", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint256) view returns (uint256)" } }, "id": 2754, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5517:33:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5505:45:10" }, { "expression": { "argumentTypes": null, "id": 2761, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2756, "name": "profit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2739, "src": "5560:6:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2759, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2751, "src": "5592:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 2757, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "5569:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2758, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 4438, "src": "5569:22:10", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (uint256)" } }, "id": 2760, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5569:28:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5560:37:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2762, "nodeType": "ExpressionStatement", "src": "5560:37:10" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 2770, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2766, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2764, "name": "profit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2739, "src": "5654:6:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 2765, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "5663:1:10", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "5654:10:10", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 2769, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2767, "name": "profit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2739, "src": "5668:6:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 2768, "name": "minProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2732, "src": "5678:9:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5668:19:10", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "5654:33:10", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 2763, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 9183, 9184 ], "referencedDeclaration": 9183, "src": "5646:7:10", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 2771, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5646:42:10", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2772, "nodeType": "ExpressionStatement", "src": "5646:42:10" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2779, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9180, "src": "5842:3:10", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2780, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "5842:10:10", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2781, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9243, "src": "5854:4:10", "typeDescriptions": { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" } }, { "argumentTypes": null, "id": 2782, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2730, "src": "5860:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2776, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2728, "src": "5810:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" } ], "expression": { "argumentTypes": null, "id": 2774, "name": "eventContract", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2305, "src": "5782:13:10", "typeDescriptions": { "typeIdentifier": "t_contract$_Event_$1680", "typeString": "contract Event" } }, "id": 2775, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "outcomeTokens", "nodeType": "MemberAccess", "referencedDeclaration": 1431, "src": "5782:27:10", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_contract$_OutcomeToken_$3085_$", "typeString": "function (uint256) view external returns (contract OutcomeToken)" } }, "id": 2777, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5782:46:10", "typeDescriptions": { "typeIdentifier": "t_contract$_OutcomeToken_$3085", "typeString": "contract OutcomeToken" } }, "id": 2778, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 3226, "src": "5782:59:10", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 2783, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, 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"referencedDeclaration": 2730, "src": "6376:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2829, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "6395:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2830, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2751, "src": "6415:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2824, "name": 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Constructor validates and sets market properties\n @param _creator Market creator\n @param _eventContract Event contract\n @param _marketMaker Market maker contract\n @param _fee Market fee", "id": 2476, "implemented": true, "isConstructor": true, "isDeclaredConst": false, "modifiers": [], "name": "StandardMarket", "nodeType": "FunctionDefinition", "parameters": { "id": 2419, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2412, "name": "_creator", "nodeType": "VariableDeclaration", "scope": 2476, "src": "1022:16:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2411, "name": "address", "nodeType": "ElementaryTypeName", "src": "1022:7:10", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2414, "name": "_eventContract", "nodeType": "VariableDeclaration", 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false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 4568, "src": "4617:43:10", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_int256_$_t_int256_$returns$_t_int256_$bound_to$_t_int256_$", "typeString": "function (int256,int256) view returns (int256)" } }, "id": 2713, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4617:67:10", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "src": "4575:109:10", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 2715, "nodeType": "ExpressionStatement", "src": "4575:109:10" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2717, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9180, "src": "4715:3:10", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2718, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4715:10:10", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2719, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2612, "src": "4727:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "argumentTypes": null, "id": 2720, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2614, "src": "4746:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2721, "name": "outcomeTokenCost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2626, "src": "4765:16:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2722, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2635, "src": "4783:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2716, "name": "OutcomeTokenPurchase", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2277, "src": "4694:20:10", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint8_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$", "typeString": "function (address,uint8,uint256,uint256,uint256)" } }, "id": 2723, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4694:94:10", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2724, "nodeType": "ExpressionStatement", "src": "4694:94:10" } ] }, "documentation": "@dev Allows to buy outcome tokens from market maker\n @param outcomeTokenIndex Index of the outcome token to buy\n @param outcomeTokenCount Amount of outcome tokens to buy\n @param maxCost The maximum cost in collateral tokens to pay for outcome tokens\n @return Cost in collateral tokens", "id": 2726, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2619, "name": "Stages", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2320, "src": "3542:6:10", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_Stages_$2320_$", "typeString": "type(enum Market.Stages)" } }, "id": 2620, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "MarketFunded", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3542:19:10", "typeDescriptions": { "typeIdentifier": "t_enum$_Stages_$2320", "typeString": "enum Market.Stages" } } ], "id": 2621, "modifierName": { "argumentTypes": null, "id": 2618, "name": "atStage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2410, "src": "3534:7:10", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_enum$_Stages_$2320_$", "typeString": "modifier (enum Market.Stages)" } }, "nodeType": "ModifierInvocation", "src": "3534:28:10" } ], "name": "buy", "nodeType": "FunctionDefinition", "parameters": { "id": 2617, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2612, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3448:23:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 2611, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3448:5:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2614, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3473:22:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2613, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3473:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2616, "name": "maxCost", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3497:12:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2615, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3497:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3447:63:10" }, "payable": false, "returnParameters": { "id": 2624, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2623, "name": "cost", "nodeType": "VariableDeclaration", "scope": 2726, "src": "3580:9:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2622, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3580:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3579:11:10" }, "scope": 2964, "src": "3435:1360:10", "stateMutability": "nonpayable", "superFunction": 2344, "visibility": "public" }, { "body": { "id": 2833, "nodeType": "Block", "src": "5295:1132:10", "statements": [ { "assignments": [ 2742 ], "declarations": [ { "constant": false, "id": 2742, "name": "outcomeTokenProfit", "nodeType": "VariableDeclaration", "scope": 2834, "src": "5360:23:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2741, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5360:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2749, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2745, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9243, "src": "5409:4:10", "typeDescriptions": { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" } }, { "argumentTypes": null, "id": 2746, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2728, "src": "5415:17:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "argumentTypes": null, "id": 2747, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2730, "src": "5434:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_StandardMarket_$2964", "typeString": "contract StandardMarket" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 2743, "name": "marketMaker", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2307, "src": "5386:11:10", "typeDescriptions": { "typeIdentifier": "t_contract$_MarketMaker_$2251", "typeString": "contract MarketMaker" } }, "id": 2744, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "calcProfit", "nodeType": "MemberAccess", "referencedDeclaration": 2241, "src": "5386:22:10", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_contract$_Market_$2374_$_t_uint8_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (contract Market,uint8,uint256) view external returns (uint256)" } }, "id": 2748, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5386:66:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5360:92:10" }, { "assignments": [ 2751 ], "declarations": [ { "constant": false, "id": 2751, "name": "fees", "nodeType": "VariableDeclaration", "scope": 2834, "src": "5505:9:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2750, "name": "uint", "nodeType": "ElementaryTypeName", "src": "5505:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 2755, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2753, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "5531:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": 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"typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2759, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2751, "src": "5592:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 2757, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "5569:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2758, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 4438, "src": "5569:22:10", "typeDescriptions": { 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"referencedDeclaration": 2730, "src": "6376:17:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2829, "name": "outcomeTokenProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2742, "src": "6395:18:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 2830, "name": "fees", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2751, "src": "6415:4:10", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2824, "name": "OutcomeTokenSale", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2289, "src": "6328:16:10", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint8_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$", "typeString": "function (address,uint8,uint256,uint256,uint256)" } }, "id": 2831, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6328:92:10", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2832, "nodeType": "ExpressionStatement", "src": "6328:92:10" } ] }, "documentation": "@dev Allows to sell outcome tokens to market maker\n @param outcomeTokenIndex Index of the outcome token to sell\n @param outcomeTokenCount Amount of outcome tokens to sell\n @param minProfit The minimum profit in collateral tokens to earn for outcome tokens\n @return Profit in collateral tokens", "id": 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outcome in collateral tokens", "id": 2949, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "shortSell", "nodeType": "FunctionDefinition", "parameters": { "id": 2841, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2836, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 2949, "src": "6915:23:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 2835, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "6915:5:10", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2838, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 2949, "src": "6940:22:10", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": 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