{ "contractName": "StandardTokenData", "abi": [ { "constant": true, "inputs": [], "name": "name", "outputs": [ { "name": "", "type": "string" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" } ], "name": "balances", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "decimals", "outputs": [ { "name": "", "type": "uint8" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "address" }, { "name": "", "type": "address" } ], "name": "allowances", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "totalTokens", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": 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\"@gnosis.pm/pm-contracts/contracts/Tokens/Token.sol\";\nimport \"@gnosis.pm/pm-contracts/contracts/Utils/Math.sol\";\nimport \"./Proxy.sol\";\n\n\ncontract StandardTokenData {\n\n /*\n * Storage\n */\n string public name = \"Token Name\";\n string public symbol = \"SYM\";\n uint8 public constant decimals = 18; \n\n mapping (address => uint) public balances;\n mapping (address => mapping (address => uint)) public allowances;\n uint public totalTokens;\n}\n\n/// @title Standard token contract with overflow protection\ncontract StandardToken is Token, StandardTokenData {\n using Math for *;\n\n /*\n * Public functions\n */\n /// @dev Transfers sender's tokens to a given address. Returns success\n /// @param to Address of token receiver\n /// @param value Number of tokens to transfer\n /// @return Was transfer successful?\n function transfer(address to, uint value)\n public\n returns (bool)\n {\n if ( !balances[msg.sender].safeToSub(value)\n || !balances[to].safeToAdd(value))\n return false;\n balances[msg.sender] -= value;\n balances[to] += value;\n emit Transfer(msg.sender, to, value);\n return true;\n }\n\n /// @dev Allows allowed third party to transfer tokens from one address to another. Returns success\n /// @param from Address from where tokens are withdrawn\n /// @param to Address to where tokens are sent\n /// @param value Number of tokens to transfer\n /// @return Was transfer successful?\n function transferFrom(address from, address to, uint value)\n public\n returns (bool)\n {\n if ( !balances[from].safeToSub(value)\n || !allowances[from][msg.sender].safeToSub(value)\n || !balances[to].safeToAdd(value))\n return false;\n balances[from] -= value;\n allowances[from][msg.sender] -= value;\n balances[to] += value;\n emit Transfer(from, to, value);\n return true;\n }\n\n /// @dev Sets approved amount of tokens for spender. Returns success\n /// @param spender Address of allowed account\n /// @param value Number of approved tokens\n /// @return Was approval successful?\n function approve(address spender, uint value)\n public\n returns (bool)\n {\n allowances[msg.sender][spender] = value;\n emit Approval(msg.sender, spender, value);\n return true;\n }\n\n /// @dev Returns number of allowed tokens for given address\n /// @param owner Address of token owner\n /// @param spender Address of token spender\n /// @return Remaining allowance for spender\n function allowance(address owner, address spender)\n public\n view\n returns (uint)\n {\n return allowances[owner][spender];\n }\n\n /// @dev Returns number of tokens owned by given address\n /// @param owner Address of token owner\n /// @return Balance of owner\n function balanceOf(address owner)\n public\n view\n returns (uint)\n {\n return balances[owner];\n }\n\n /// @dev Returns total supply of tokens\n /// @return Total supply\n function totalSupply()\n public\n view\n returns (uint)\n {\n return totalTokens;\n }\n}", "sourcePath": "/home/josojo/reality/tokenized-events/contracts/StandardToken.sol", "ast": { "absolutePath": "/home/josojo/reality/tokenized-events/contracts/StandardToken.sol", "exportedSymbols": { "StandardToken": [ 2634 ], "StandardTokenData": [ 2442 ] }, "id": 2635, "nodeType": "SourceUnit", "nodes": [ { "id": 2417, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:9" }, { "absolutePath": "@gnosis.pm/pm-contracts/contracts/Tokens/Token.sol", "file": "@gnosis.pm/pm-contracts/contracts/Tokens/Token.sol", "id": 2418, "nodeType": "ImportDirective", "scope": 2635, "sourceUnit": 2704, "src": "25:60:9", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@gnosis.pm/pm-contracts/contracts/Utils/Math.sol", "file": "@gnosis.pm/pm-contracts/contracts/Utils/Math.sol", "id": 2419, "nodeType": "ImportDirective", "scope": 2635, "sourceUnit": 3955, "src": "86:58:9", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/josojo/reality/tokenized-events/contracts/Proxy.sol", "file": "./Proxy.sol", "id": 2420, "nodeType": "ImportDirective", "scope": 2635, "sourceUnit": 1734, "src": "145:21:9", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 2442, "linearizedBaseContracts": [ 2442 ], "name": "StandardTokenData", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 2423, "name": "name", "nodeType": "VariableDeclaration", "scope": 2442, "src": "234:34:9", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 2421, "name": "string", "nodeType": "ElementaryTypeName", "src": "234:6:9", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": { "argumentTypes": null, "hexValue": 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2470, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1043:29:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "988:84:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2475, "nodeType": "IfStatement", "src": "981:117:9", "trueBody": { "expression": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2473, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1093:5:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "functionReturnParameters": 2456, "id": 2474, "nodeType": "Return", "src": "1086:12:9" } }, { "expression": { "argumentTypes": null, "id": 2481, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2476, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1108:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2479, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2477, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1117:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2478, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1117:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1108:20:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "id": 2480, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2452, "src": "1132:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1108:29:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2482, "nodeType": "ExpressionStatement", "src": "1108:29:9" }, { "expression": { "argumentTypes": null, "id": 2487, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2483, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1147:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2485, "indexExpression": { "argumentTypes": null, "id": 2484, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2450, "src": "1156:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1147:12:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "argumentTypes": null, "id": 2486, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2452, "src": "1163:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1147:21:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2488, "nodeType": "ExpressionStatement", "src": "1147:21:9" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2490, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1192:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2491, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1192:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2492, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2450, "src": "1204:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2493, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2452, "src": "1208:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2489, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2644, "src": "1183:8:9", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 2494, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1183:31:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2495, "nodeType": "EmitStatement", "src": "1178:36:9" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 2496, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1231:4:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 2456, "id": 2497, "nodeType": "Return", "src": "1224:11:9" } ] }, "documentation": "@dev Transfers sender's tokens to a given address. Returns success\n @param to Address of token receiver\n @param value Number of tokens to transfer\n @return Was transfer successful?", "id": 2499, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "transfer", "nodeType": "FunctionDefinition", "parameters": { "id": 2453, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2450, "name": "to", "nodeType": "VariableDeclaration", "scope": 2499, "src": "905:10:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2449, "name": "address", "nodeType": "ElementaryTypeName", "src": "905:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2452, "name": "value", "nodeType": "VariableDeclaration", "scope": 2499, "src": "917:10:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2451, "name": "uint", "nodeType": "ElementaryTypeName", "src": "917:4:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "904:24:9" }, "payable": false, "returnParameters": { "id": 2456, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2455, "name": "", "nodeType": "VariableDeclaration", "scope": 2499, "src": "961:4:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2454, "name": "bool", "nodeType": "ElementaryTypeName", "src": "961:4:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "960:6:9" }, "scope": 2634, "src": "887:355:9", "stateMutability": "nonpayable", "superFunction": 2661, "visibility": "public" }, { "body": { "id": 2568, "nodeType": "Block", "src": "1656:362:9", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 2535, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 2527, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2516, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "1673:32:9", "subExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2514, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1699:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2510, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1674:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2512, "indexExpression": { "argumentTypes": null, "id": 2511, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1683:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1674:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2513, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "safeToSub", "nodeType": "MemberAccess", "referencedDeclaration": 3717, "src": "1674:24:9", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_bool_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (bool)" } }, "id": 2515, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1674:31:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "argumentTypes": null, "id": 2526, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "1721:46:9", "subExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2524, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1761:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2517, "name": "allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2439, "src": "1722:10:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 2519, "indexExpression": { "argumentTypes": null, "id": 2518, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1733:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1722:16:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2522, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2520, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1739:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2521, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1739:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1722:28:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "safeToSub", "nodeType": "MemberAccess", "referencedDeclaration": 3717, "src": "1722:38:9", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_bool_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (bool)" } }, "id": 2525, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1722:45:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1673:94:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "argumentTypes": null, "id": 2534, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "1783:30:9", "subExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2532, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1807:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2528, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1784:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2530, "indexExpression": { "argumentTypes": null, "id": 2529, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2503, "src": "1793:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1784:12:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2531, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "safeToAdd", "nodeType": "MemberAccess", "referencedDeclaration": 3703, "src": "1784:22:9", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_bool_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (bool)" } }, "id": 2533, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1784:29:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1673:140:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2538, "nodeType": "IfStatement", "src": "1666:173:9", "trueBody": { "expression": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2536, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1834:5:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "functionReturnParameters": 2509, "id": 2537, "nodeType": "Return", "src": "1827:12:9" } }, { "expression": { "argumentTypes": null, "id": 2543, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2539, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1849:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2541, "indexExpression": { "argumentTypes": null, "id": 2540, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1858:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1849:14:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "id": 2542, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1867:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1849:23:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2544, "nodeType": "ExpressionStatement", "src": "1849:23:9" }, { "expression": { "argumentTypes": null, "id": 2552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2545, "name": "allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2439, "src": "1882:10:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 2549, "indexExpression": { "argumentTypes": null, "id": 2546, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1893:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1882:16:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2550, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2547, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1899:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2548, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1899:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": 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"name": "balances", "nodeType": "VariableDeclaration", "scope": 2442, "src": "352:41:9", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 2432, "keyType": { "id": 2430, "name": "address", "nodeType": "ElementaryTypeName", "src": "361:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "352:25:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 2431, "name": "uint", "nodeType": "ElementaryTypeName", "src": "372:4:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 2439, "name": "allowances", "nodeType": "VariableDeclaration", "scope": 2442, "src": "399:64:9", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 2438, "keyType": { "id": 2434, "name": "address", "nodeType": "ElementaryTypeName", "src": "408:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "399:46:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 2437, "keyType": { "id": 2435, "name": "address", "nodeType": "ElementaryTypeName", "src": "428:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "419:25:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 2436, "name": "uint", "nodeType": "ElementaryTypeName", "src": "439:4:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } } }, "value": null, "visibility": "public" }, { "constant": false, "id": 2441, "name": "totalTokens", "nodeType": "VariableDeclaration", "scope": 2442, "src": "469:23:9", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 2440, "name": "uint", "nodeType": "ElementaryTypeName", "src": "469:4:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "public" } ], "scope": 2635, "src": "169:326:9" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2443, "name": "Token", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2703, "src": "583:5:9", "typeDescriptions": { "typeIdentifier": "t_contract$_Token_$2703", "typeString": "contract Token" } }, "id": 2444, "nodeType": "InheritanceSpecifier", "src": "583:5:9" }, { "arguments": null, "baseName": { "contractScope": null, "id": 2445, "name": "StandardTokenData", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2442, "src": "590:17:9", "typeDescriptions": { "typeIdentifier": "t_contract$_StandardTokenData_$2442", "typeString": "contract StandardTokenData" } }, "id": 2446, "nodeType": "InheritanceSpecifier", "src": "590:17:9" } ], "contractDependencies": [ 2442, 2703 ], "contractKind": "contract", "documentation": "@title Standard token contract with overflow protection", "fullyImplemented": true, "id": 2634, "linearizedBaseContracts": [ 2634, 2442, 2703 ], "name": "StandardToken", "nodeType": "ContractDefinition", "nodes": [ { "id": 2448, "libraryName": { "contractScope": null, "id": 2447, "name": "Math", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3954, "src": "620:4:9", "typeDescriptions": { "typeIdentifier": 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null, "id": 2476, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1108:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2479, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2477, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1117:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2478, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1117:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1108:20:9", 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}, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2490, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1192:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2491, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1192:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2492, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2450, "src": "1204:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2493, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2452, 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"argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2524, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1761:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2517, "name": "allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2439, "src": "1722:10:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 2519, "indexExpression": { "argumentTypes": null, "id": 2518, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1733:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1722:16:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2522, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2520, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "1739:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2521, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1739:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1722:28:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "safeToSub", "nodeType": "MemberAccess", "referencedDeclaration": 3717, "src": "1722:38:9", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_bool_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (bool)" } }, "id": 2525, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1722:45:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1673:94:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": 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}, "id": 2530, "indexExpression": { "argumentTypes": null, "id": 2529, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2503, "src": "1793:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1784:12:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2531, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "safeToAdd", "nodeType": "MemberAccess", "referencedDeclaration": 3703, "src": "1784:22:9", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_uint256_$_t_uint256_$returns$_t_bool_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) view returns (bool)" } }, "id": 2533, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1784:29:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "1673:140:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 2538, "nodeType": "IfStatement", "src": "1666:173:9", "trueBody": { "expression": { "argumentTypes": null, "hexValue": "66616c7365", "id": 2536, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1834:5:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "functionReturnParameters": 2509, "id": 2537, "nodeType": "Return", "src": "1827:12:9" } }, { "expression": { "argumentTypes": null, "id": 2543, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { 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"address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1882:28:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "argumentTypes": null, "id": 2551, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1914:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1882:37:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2553, "nodeType": "ExpressionStatement", "src": "1882:37:9" }, { "expression": { "argumentTypes": null, "id": 2558, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2554, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2433, "src": "1929:8:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2556, "indexExpression": { "argumentTypes": null, "id": 2555, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2503, "src": "1938:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1929:12:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "argumentTypes": null, "id": 2557, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1945:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1929:21:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2559, "nodeType": "ExpressionStatement", "src": "1929:21:9" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2561, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2501, "src": "1974:4:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2562, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2503, "src": "1980:2:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2563, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1984:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2560, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2644, "src": "1965:8:9", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 2564, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1965:25:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2565, "nodeType": "EmitStatement", "src": "1960:30:9" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 2566, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", 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Returns success\n @param from Address from where tokens are withdrawn\n @param to Address to where tokens are sent\n @param value Number of tokens to transfer\n @return Was transfer successful?", "id": 2569, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 2506, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2501, "name": "from", "nodeType": "VariableDeclaration", "scope": 2569, "src": "1576:12:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2500, "name": "address", "nodeType": "ElementaryTypeName", "src": "1576:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2503, "name": "to", "nodeType": "VariableDeclaration", "scope": 2569, 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2508, "name": "", "nodeType": "VariableDeclaration", "scope": 2569, "src": "1646:4:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 2507, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1646:4:9", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1645:6:9" }, "scope": 2634, "src": "1554:464:9", "stateMutability": "nonpayable", "superFunction": 2672, "visibility": "public" }, { "body": { "id": 2596, "nodeType": "Block", "src": "2323:128:9", "statements": [ { "expression": { "argumentTypes": null, "id": 2585, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 2578, "name": "allowances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2439, "src": "2333:10:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 2582, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2579, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "2344:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2580, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2344:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2333:22:9", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 2583, "indexExpression": { "argumentTypes": null, "id": 2581, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2571, "src": "2356:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "2333:31:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2584, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2573, "src": "2367:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2333:39:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 2586, "nodeType": "ExpressionStatement", "src": "2333:39:9" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 2588, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8523, "src": "2396:3:9", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 2589, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2396:10:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2590, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2571, "src": "2408:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2591, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2573, "src": "2417:5:9", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 2587, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2652, "src": "2387:8:9", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 2592, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2387:36:9", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2593, "nodeType": "EmitStatement", "src": "2382:41:9" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 2594, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "2440:4:9", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 2577, "id": 2595, "nodeType": "Return", "src": "2433:11:9" } ] }, "documentation": "@dev Sets approved amount of tokens for spender. Returns success\n @param spender Address of allowed account\n @param value Number of approved tokens\n @return Was approval successful?", "id": 2597, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 2574, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2571, "name": "spender", "nodeType": "VariableDeclaration", "scope": 2597, "src": "2252:15:9", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2570, "name": "address", "nodeType": "ElementaryTypeName", "src": "2252:7:9", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2573, "name": "value", "nodeType": "VariableDeclaration", "scope": 2597, "src": "2269:10:9", "stateVariable": false, 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