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"source": "pragma solidity ^0.5.0;\nimport \"../Markets/StandardMarket.sol\";\n\ncontract StandardMarketWithPriceLoggerData {\n\n /*\n * Constants\n */\n uint constant ONE = 0x10000000000000000;\n uint8 public constant LONG = 1;\n\n /*\n * Storage\n */\n uint public startDate;\n uint public endDate;\n uint public lastTradeDate;\n uint public lastTradePrice;\n uint public priceIntegral;\n}\n\ncontract StandardMarketWithPriceLoggerProxy is StandardMarketProxy, StandardMarketWithPriceLoggerData {\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 /// @param _startDate Start date for price logging\n constructor(address proxied, address _creator, Event _eventContract, MarketMaker _marketMaker, uint24 _fee, uint _startDate)\n public\n StandardMarketProxy(proxied, _creator, _eventContract, _marketMaker, _fee)\n {\n require(eventContract.getOutcomeCount() == 2);\n\n if (_startDate == 0)\n startDate = now;\n else {\n // The earliest start date is the market creation date\n require(_startDate >= now);\n startDate = _startDate;\n }\n\n lastTradeDate = startDate;\n // initialize lastTradePrice to assuming uniform probabilities of outcomes\n lastTradePrice = ONE / 2;\n }\n}\n\ncontract StandardMarketWithPriceLogger is StandardMarket, StandardMarketWithPriceLoggerData {\n /*\n * Public functions\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 returns (uint cost)\n {\n logPriceBefore();\n cost = super.buy(outcomeTokenIndex, outcomeTokenCount, maxCost);\n logPriceAfter();\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 returns (uint profit)\n {\n logPriceBefore();\n profit = super.sell(outcomeTokenIndex, outcomeTokenCount, minProfit);\n logPriceAfter();\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 logPriceBefore();\n cost = super.shortSell(outcomeTokenIndex, outcomeTokenCount, minProfit);\n logPriceAfter();\n }\n\n /// @dev Allows to trade outcome tokens with market maker\n /// @param outcomeTokenAmounts Amounts of outcome tokens to trade\n /// @param collateralLimit The maximum cost or minimum profit in collateral tokens\n /// @return Cost/profit in collateral tokens\n function trade(int[] memory outcomeTokenAmounts, int collateralLimit)\n public\n returns (int netCost)\n {\n logPriceBefore();\n netCost = super.trade(outcomeTokenAmounts, collateralLimit);\n logPriceAfter();\n }\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 {\n endDate = now;\n super.close();\n }\n\n /// @dev Calculates average price for long tokens based on price integral\n /// @return Average price for long tokens over time\n function getAvgPrice()\n public\n view\n returns (uint)\n {\n if(endDate > 0)\n return (priceIntegral + lastTradePrice * (endDate - lastTradeDate)) / (endDate - startDate);\n return (priceIntegral + lastTradePrice * (now - lastTradeDate)) / (now - startDate);\n }\n\n /*\n * Private functions\n */\n /// @dev Adds price integral since the last trade to the total price integral\n function logPriceBefore()\n private\n {\n if (now >= startDate) {\n // Accumulate price integral only if logging has begun\n priceIntegral += lastTradePrice * (now - lastTradeDate);\n }\n }\n\n /// @dev Updates last trade timestamp and price\n function logPriceAfter()\n private\n {\n // Refresh lastTradePrice after every transactions as we don't know if\n // this will be the last transaction before logging period starts\n lastTradePrice = marketMaker.calcMarginalPrice(this, LONG);\n lastTradeDate = now;\n }\n}\n", "sourcePath": 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"typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 3370, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7999, "src": "2095:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_StandardMarketWithPriceLogger_$3549", "typeString": "contract super StandardMarketWithPriceLogger" } }, "id": 3371, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "buy", "nodeType": "MemberAccess", "referencedDeclaration": 2671, "src": "2095:9:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint256,uint256) returns (uint256)" } }, "id": 3375, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2095:56:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2088:63:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3377, "nodeType": "ExpressionStatement", "src": "2088:63:11" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3378, "name": "logPriceAfter", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3548, "src": "2161:13:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3379, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2161:15:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3380, "nodeType": "ExpressionStatement", "src": "2161:15:11" } ] }, "documentation": "@dev Allows to buy outcome tokens from market 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"overloadedDeclarations": [], "referencedDeclaration": 7999, "src": "2691:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_StandardMarketWithPriceLogger_$3549", "typeString": "contract super StandardMarketWithPriceLogger" } }, "id": 3398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sell", "nodeType": "MemberAccess", "referencedDeclaration": 2782, "src": "2691:10:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint256,uint256) returns (uint256)" } }, "id": 3402, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2691:59:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2682:68:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3404, "nodeType": "ExpressionStatement", "src": "2682:68:11" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3405, "name": "logPriceAfter", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3548, "src": "2760:13:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3406, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2760:15:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3407, "nodeType": "ExpressionStatement", "src": "2760:15:11" } ] }, "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": 3409, "implemented": true, "kind": "function", "modifiers": [], "name": "sell", "nodeType": "FunctionDefinition", "parameters": { "id": 3389, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3384, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 3409, "src": "2532:23:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 3383, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "2532:5:11", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3386, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 3409, "src": "2557:22:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3385, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2557:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3388, "name": "minProfit", "nodeType": "VariableDeclaration", "scope": 3409, "src": "2581:14:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3387, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2581:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2531:65:11" }, "returnParameters": { "id": 3392, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3391, "name": "profit", "nodeType": "VariableDeclaration", "scope": 3409, "src": "2629:11:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3390, "name": "uint", "nodeType": "ElementaryTypeName", "src": "2629:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2628:13:11" }, "scope": 3549, "src": "2518:264:11", "stateMutability": "nonpayable", "superFunction": 2782, "visibility": "public" }, { "body": { "id": 3435, "nodeType": "Block", "src": "3382:139:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3420, "name": "logPriceBefore", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3532, "src": "3392:14:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3421, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3392:16:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3422, "nodeType": "ExpressionStatement", "src": "3392:16:11" }, { "expression": { "argumentTypes": null, "id": 3430, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3423, "name": "cost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3418, "src": "3418:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3426, "name": "outcomeTokenIndex", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3411, "src": "3441:17:11", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, { "argumentTypes": null, "id": 3427, "name": "outcomeTokenCount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3413, "src": "3460:17:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 3428, "name": "minProfit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3415, "src": "3479:9:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint8", "typeString": "uint8" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 3424, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7999, "src": "3425:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_StandardMarketWithPriceLogger_$3549", "typeString": "contract super StandardMarketWithPriceLogger" } }, "id": 3425, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "shortSell", "nodeType": "MemberAccess", "referencedDeclaration": 2903, "src": "3425:15:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_uint8_$_t_uint256_$_t_uint256_$returns$_t_uint256_$", "typeString": "function (uint8,uint256,uint256) returns (uint256)" } }, "id": 3429, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3425:64:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3418:71:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3431, "nodeType": "ExpressionStatement", "src": "3418:71:11" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3432, "name": "logPriceAfter", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3548, "src": "3499:13:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3433, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3499:15:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3434, "nodeType": "ExpressionStatement", "src": "3499:15:11" } ] }, "documentation": "@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", "id": 3436, "implemented": true, "kind": "function", "modifiers": [], "name": "shortSell", "nodeType": "FunctionDefinition", "parameters": { "id": 3416, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3411, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 3436, "src": "3270:23:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 3410, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3270:5:11", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3413, "name": "outcomeTokenCount", "nodeType": "VariableDeclaration", "scope": 3436, "src": "3295:22:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3412, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3295:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3415, "name": "minProfit", "nodeType": "VariableDeclaration", "scope": 3436, "src": "3319:14:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3414, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3319:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3269:65:11" }, "returnParameters": { "id": 3419, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3418, "name": "cost", "nodeType": "VariableDeclaration", "scope": 3436, "src": "3367:9:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3417, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3367:4:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3366:11:11" }, "scope": 3549, "src": "3251:270:11", "stateMutability": "nonpayable", "superFunction": 2903, "visibility": "public" }, { "body": { "id": 3460, "nodeType": "Block", "src": "3914:127:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3446, "name": "logPriceBefore", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3532, "src": "3924:14:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3447, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3924:16:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3448, "nodeType": "ExpressionStatement", "src": "3924:16:11" }, { "expression": { "argumentTypes": null, "id": 3455, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3449, "name": "netCost", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3444, "src": "3950:7:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3452, "name": "outcomeTokenAmounts", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3439, "src": "3972:19:11", "typeDescriptions": { "typeIdentifier": "t_array$_t_int256_$dyn_memory_ptr", "typeString": "int256[] memory" } }, { "argumentTypes": null, "id": 3453, "name": "collateralLimit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3441, "src": "3993:15:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_array$_t_int256_$dyn_memory_ptr", "typeString": "int256[] memory" }, { "typeIdentifier": "t_int256", "typeString": "int256" } ], "expression": { "argumentTypes": null, "id": 3450, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7999, "src": "3960:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_StandardMarketWithPriceLogger_$3549", "typeString": "contract super StandardMarketWithPriceLogger" } }, "id": 3451, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "trade", "nodeType": "MemberAccess", "referencedDeclaration": 2956, "src": "3960:11:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_array$_t_int256_$dyn_memory_ptr_$_t_int256_$returns$_t_int256_$", "typeString": "function (int256[] memory,int256) returns (int256)" } }, "id": 3454, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3960:49:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "src": "3950:59:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 3456, "nodeType": "ExpressionStatement", "src": "3950:59:11" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 3457, "name": "logPriceAfter", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3548, "src": "4019:13:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3458, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4019:15:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3459, "nodeType": "ExpressionStatement", "src": "4019:15:11" } ] }, "documentation": "@dev Allows to trade outcome tokens with market maker\n @param outcomeTokenAmounts Amounts of outcome tokens to trade\n @param collateralLimit The maximum cost or minimum profit in collateral tokens\n @return Cost/profit in collateral tokens", "id": 3461, "implemented": true, "kind": "function", "modifiers": [], "name": "trade", "nodeType": "FunctionDefinition", "parameters": { "id": 3442, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3439, "name": "outcomeTokenAmounts", "nodeType": "VariableDeclaration", "scope": 3461, "src": "3810:32:11", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_int256_$dyn_memory_ptr", "typeString": "int256[]" }, "typeName": { "baseType": { "id": 3437, "name": "int", "nodeType": "ElementaryTypeName", "src": "3810:3:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "id": 3438, "length": null, "nodeType": "ArrayTypeName", "src": "3810:5:11", "typeDescriptions": { "typeIdentifier": "t_array$_t_int256_$dyn_storage_ptr", "typeString": "int256[]" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3441, "name": "collateralLimit", "nodeType": "VariableDeclaration", "scope": 3461, "src": "3844:19:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" }, "typeName": { "id": 3440, "name": "int", "nodeType": "ElementaryTypeName", "src": "3844:3:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "value": null, "visibility": "internal" } ], "src": "3809:55:11" }, "returnParameters": { "id": 3445, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3444, "name": "netCost", "nodeType": "VariableDeclaration", "scope": 3461, "src": "3897:11:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" }, "typeName": { "id": 3443, "name": "int", "nodeType": "ElementaryTypeName", "src": "3897:3:11", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } }, "value": null, "visibility": "internal" } ], "src": "3896:13:11" }, "scope": 3549, "src": "3795:246:11", "stateMutability": "nonpayable", "superFunction": 2956, "visibility": "public" }, { "body": { "id": 3473, "nodeType": "Block", "src": "4200:53:11", "statements": [ { "expression": { "argumentTypes": null, "id": 3466, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3464, "name": "endDate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3279, "src": "4210:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 3465, "name": "now", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7922, "src": "4220:3:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4210:13:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3467, "nodeType": "ExpressionStatement", "src": "4210:13:11" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 3468, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7999, "src": "4233:5:11", "typeDescriptions": { "typeIdentifier": "t_super$_StandardMarketWithPriceLogger_$3549", "typeString": "contract super StandardMarketWithPriceLogger" } }, "id": 3470, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "close", "nodeType": "MemberAccess", "referencedDeclaration": 2533, "src": "4233:11:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 3471, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4233:13:11", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3472, "nodeType": "ExpressionStatement", "src": "4233:13:11" } ] }, "documentation": "@dev Allows market creator to close the markets by transferring all remaining outcome tokens to the creator", "id": 3474, "implemented": true, "kind": "function", "modifiers": [], "name": "close", "nodeType": "FunctionDefinition", "parameters": { "id": 3462, "nodeType": "ParameterList", "parameters": [], "src": "4178:2:11" }, "returnParameters": { "id": 3463, "nodeType": "ParameterList", "parameters": [], "src": "4200:0:11" }, "scope": 3549, "src": "4164:89:11", "stateMutability": "nonpayable", "superFunction": 2533, "visibility": "public" }, { "body": { "id": 3513, "nodeType": "Block", "src": "4471:229:11", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 3481, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 3479, "name": "endDate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3279, "src": "4484:7:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": 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"documentation": "@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", "id": 3436, "implemented": true, "kind": "function", "modifiers": [], "name": "shortSell", "nodeType": "FunctionDefinition", "parameters": { "id": 3416, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3411, "name": "outcomeTokenIndex", "nodeType": "VariableDeclaration", "scope": 3436, "src": "3270:23:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 3410, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "3270:5:11", 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"Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7922, "src": "5410:3:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5394:19:11", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3546, "nodeType": "ExpressionStatement", "src": "5394:19:11" } ] }, "documentation": "@dev Updates last trade timestamp and price", "id": 3548, "implemented": true, "kind": "function", "modifiers": [], "name": "logPriceAfter", "nodeType": "FunctionDefinition", "parameters": { "id": 3533, "nodeType": "ParameterList", "parameters": [], "src": "5140:2:11" }, "returnParameters": { "id": 3534, "nodeType": "ParameterList", "parameters": [], "src": "5163:0:11" }, "scope": 3549, "src": "5118:302:11", "stateMutability": "nonpayable", "superFunction": null, "visibility": "private" } ], "scope": 3550, "src": "1470:3952:11" } ], "src": "0:5423:11" }, "compiler": { "name": "solc", "version": "0.5.6+commit.b259423e.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.11", "updatedAt": "2019-09-20T17:46:52.184Z", "devdoc": { "methods": { "constructor": { "details": "Constructor validates and sets market properties", "params": { "_creator": "Market creator", "_eventContract": "Event contract", "_fee": "Market fee", "_marketMaker": "Market maker contract", "_startDate": "Start date for price logging" } } } }, "userdoc": { "methods": {} } }