{ "contractName": "StandardToken", "abi": [ { "constant": true, "inputs": [], "name": "totalSupply", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transfer", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "owner", "type": "address" }, { "indexed": true, "name": "spender", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "from", "type": "address" }, { "indexed": true, "name": "to", "type": "address" }, { "indexed": false, "name": "value", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "constant": false, "inputs": [ { "name": "_from", "type": "address" }, { "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "transferFrom", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" } ], "name": "approve", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" } ], "name": "allowance", "outputs": [ { "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "_spender", "type": "address" }, { "name": "_addedValue", "type": "uint256" } ], "name": "increaseApproval", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "_spender", "type": "address" }, { "name": "_subtractedValue", "type": "uint256" } ], "name": "decreaseApproval", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": 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"source": "pragma solidity ^0.4.24;\n\nimport \"./BasicToken.sol\";\nimport \"./ERC20.sol\";\n\n\n/**\n * @title Standard ERC20 token\n *\n * @dev Implementation of the basic standard token.\n * https://github.com/ethereum/EIPs/issues/20\n * Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol\n */\ncontract StandardToken is ERC20, BasicToken {\n\n mapping (address => mapping (address => uint256)) internal allowed;\n\n\n /**\n * @dev Transfer tokens from one address to another\n * @param _from address The address which you want to send tokens from\n * @param _to address The address which you want to transfer to\n * @param _value uint256 the amount of tokens to be transferred\n */\n function transferFrom(\n address _from,\n address _to,\n uint256 _value\n )\n public\n returns (bool)\n {\n require(_value <= balances[_from]);\n require(_value <= allowed[_from][msg.sender]);\n require(_to != address(0));\n\n balances[_from] = balances[_from].sub(_value);\n balances[_to] = balances[_to].add(_value);\n allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);\n emit Transfer(_from, _to, _value);\n return true;\n }\n\n /**\n * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\n * Beware that changing an allowance with this method brings the risk that someone may use both the old\n * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this\n * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n * @param _spender The address which will spend the funds.\n * @param _value The amount of tokens to be spent.\n */\n function approve(address _spender, uint256 _value) public returns (bool) {\n allowed[msg.sender][_spender] = _value;\n emit Approval(msg.sender, _spender, _value);\n return true;\n }\n\n /**\n * @dev Function to check the amount of tokens that an owner allowed to a spender.\n * @param _owner address The address which owns the funds.\n * @param _spender address The address which will spend the funds.\n * @return A uint256 specifying the amount of tokens still available for the spender.\n */\n function allowance(\n address _owner,\n address _spender\n )\n public\n view\n returns (uint256)\n {\n return allowed[_owner][_spender];\n }\n\n /**\n * @dev Increase the amount of tokens that an owner allowed to a spender.\n * approve should be called when allowed[_spender] == 0. To increment\n * allowed value is better to use this function to avoid 2 calls (and wait until\n * the first transaction is mined)\n * From MonolithDAO Token.sol\n * @param _spender The address which will spend the funds.\n * @param _addedValue The amount of tokens to increase the allowance by.\n */\n function increaseApproval(\n address _spender,\n uint256 _addedValue\n )\n public\n returns (bool)\n {\n allowed[msg.sender][_spender] = (\n allowed[msg.sender][_spender].add(_addedValue));\n emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);\n return true;\n }\n\n /**\n * @dev Decrease the amount of tokens that an owner allowed to a spender.\n * approve should be called when allowed[_spender] == 0. To decrement\n * allowed value is better to use this function to avoid 2 calls (and wait until\n * the first transaction is mined)\n * From MonolithDAO Token.sol\n * @param _spender The address which will spend the funds.\n * @param _subtractedValue The amount of tokens to decrease the allowance by.\n */\n function decreaseApproval(\n address _spender,\n uint256 _subtractedValue\n )\n public\n returns (bool)\n {\n uint256 oldValue = allowed[msg.sender][_spender];\n if (_subtractedValue >= oldValue) {\n allowed[msg.sender][_spender] = 0;\n } else {\n allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);\n }\n emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);\n return true;\n }\n\n}\n", "sourcePath": "openzeppelin-solidity/contracts/token/ERC20/StandardToken.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/StandardToken.sol", "exportedSymbols": { "StandardToken": [ 556 ] }, "id": 557, "nodeType": "SourceUnit", "nodes": [ { "id": 311, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:5" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/BasicToken.sol", "file": "./BasicToken.sol", "id": 312, "nodeType": "ImportDirective", "scope": 557, "sourceUnit": 235, "src": "26:26:5", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "file": "./ERC20.sol", "id": 313, "nodeType": "ImportDirective", "scope": 557, "sourceUnit": 278, "src": "53:21:5", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 314, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 277, "src": "360:5:5", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$277", "typeString": "contract ERC20" } }, "id": 315, "nodeType": "InheritanceSpecifier", "src": "360:5:5" }, { "arguments": null, "baseName": { "contractScope": null, "id": 316, "name": "BasicToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 234, "src": "367:10:5", "typeDescriptions": { "typeIdentifier": "t_contract$_BasicToken_$234", "typeString": "contract BasicToken" } }, "id": 317, "nodeType": "InheritanceSpecifier", "src": "367:10:5" } ], "contractDependencies": [ 234, 277, 309 ], "contractKind": "contract", "documentation": "@title Standard ERC20 token\n * @dev Implementation of the basic standard token.\nhttps://github.com/ethereum/EIPs/issues/20\nBased on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol", "fullyImplemented": true, "id": 556, "linearizedBaseContracts": [ 556, 234, 277, 309 ], "name": "StandardToken", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 323, "name": "allowed", "nodeType": "VariableDeclaration", "scope": 556, "src": "383:66:5", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 322, "keyType": { "id": 318, "name": "address", "nodeType": "ElementaryTypeName", "src": "392:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "383:49:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 321, "keyType": { "id": 319, "name": "address", "nodeType": "ElementaryTypeName", "src": "412:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "403:28:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 320, "name": "uint256", "nodeType": "ElementaryTypeName", "src": 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"=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 379, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "1055:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 375, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 151, "src": "1037:8:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 377, "indexExpression": { "argumentTypes": null, "id": 376, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 327, "src": "1046:3:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1037:13:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 378, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 137, "src": "1037:17:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 380, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1037:25:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1021:41:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 382, "nodeType": "ExpressionStatement", "src": "1021:41:5" }, { "expression": { "argumentTypes": null, "id": 398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 383, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "1068:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 387, "indexExpression": { "argumentTypes": null, "id": 384, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1076:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1068:14:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 388, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 385, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1083:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 386, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1083:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1068:26:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 396, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "1128:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 389, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "1097:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 391, "indexExpression": { "argumentTypes": null, "id": 390, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1105:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1097:14:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 394, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 392, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1112:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 393, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1112:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1097:26:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 395, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 113, "src": "1097:30:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 397, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1097:38:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1068:67:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 399, "nodeType": "ExpressionStatement", "src": "1068:67:5" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 401, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1155:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 402, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 327, "src": "1162:3:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 403, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "1167:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 400, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 308, "src": "1146:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 404, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1146:28:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 405, "nodeType": "EmitStatement", "src": "1141:33:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 406, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1187:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 333, "id": 407, "nodeType": "Return", "src": "1180:11:5" } ] }, "documentation": "@dev Transfer tokens from one address to another\n@param _from address The address which you want to send tokens from\n@param _to address The address which you want to transfer to\n@param _value uint256 the amount of tokens to be transferred", "id": 409, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 330, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 325, "name": "_from", "nodeType": "VariableDeclaration", "scope": 409, "src": "753:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 324, "name": "address", "nodeType": "ElementaryTypeName", "src": "753:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 327, "name": "_to", "nodeType": "VariableDeclaration", "scope": 409, "src": "772:11:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 326, "name": "address", "nodeType": "ElementaryTypeName", "src": "772:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 329, "name": "_value", "nodeType": "VariableDeclaration", "scope": 409, "src": "789:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 328, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "789:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "747:60:5" }, "payable": false, "returnParameters": { "id": 333, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 332, "name": "", "nodeType": "VariableDeclaration", "scope": 409, "src": "832:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 331, "name": "bool", "nodeType": "ElementaryTypeName", "src": "832:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "831:6:5" }, "scope": 556, "src": "726:470:5", "stateMutability": "nonpayable", "superFunction": 259, "visibility": "public" }, { "body": { "id": 436, "nodeType": "Block", "src": "1887:115:5", "statements": [ { "expression": { "argumentTypes": null, "id": 425, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, 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"lValueRequested": false, "nodeType": "IndexAccess", "src": "1893:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 423, "indexExpression": { "argumentTypes": null, "id": 421, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 411, "src": "1913:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1893:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 424, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 413, "src": "1925:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": 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"typeString": "address" } }, { "argumentTypes": null, "id": 431, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 413, "src": "1973:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 427, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "1942:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 432, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1942:38:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 433, "nodeType": "EmitStatement", "src": "1937:43:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 434, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1993:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 417, "id": 435, "nodeType": "Return", "src": "1986:11:5" } ] }, "documentation": "@dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\nBeware that changing an allowance with this method brings the risk that someone may use both the old\nand the new allowance by unfortunate transaction ordering. One possible solution to mitigate this\nrace condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\nhttps://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n@param _spender The address which will spend the funds.\n@param _value The amount of tokens to be spent.", "id": 437, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 414, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 411, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 437, "src": "1831:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 410, "name": "address", "nodeType": "ElementaryTypeName", "src": "1831:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 413, "name": "_value", "nodeType": "VariableDeclaration", "scope": 437, "src": "1849:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 412, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1849:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1830:34:5" }, "payable": false, "returnParameters": { "id": 417, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 416, "name": "", "nodeType": "VariableDeclaration", "scope": 437, "src": "1881:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 415, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1881:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1880:6:5" }, "scope": 556, "src": "1814:188:5", "stateMutability": "nonpayable", "superFunction": 268, "visibility": "public" }, { "body": { "id": 452, "nodeType": "Block", "src": "2431:43:5", "statements": [ { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 446, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "2444:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 448, "indexExpression": { "argumentTypes": null, "id": 447, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 439, "src": "2452:6:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2444:15:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 450, "indexExpression": { "argumentTypes": null, "id": 449, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 441, "src": "2460:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2444:25:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 445, "id": 451, "nodeType": "Return", "src": "2437:32:5" } ] }, "documentation": "@dev Function to check the amount of tokens that an owner allowed to a spender.\n@param _owner address The address which owns the funds.\n@param _spender address The address which will spend the funds.\n@return A uint256 specifying the amount of tokens still available for the spender.", "id": 453, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "allowance", "nodeType": "FunctionDefinition", "parameters": { "id": 442, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 439, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 453, "src": "2345:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 438, "name": "address", "nodeType": "ElementaryTypeName", "src": "2345:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 441, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 453, "src": "2365:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 440, "name": "address", "nodeType": "ElementaryTypeName", "src": "2365:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2339:47:5" }, "payable": false, "returnParameters": { "id": 445, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 444, "name": "", "nodeType": "VariableDeclaration", "scope": 453, "src": "2420:7:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 443, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2420:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2419:9:5" }, "scope": 556, "src": "2321:153:5", "stateMutability": "view", "superFunction": 248, "visibility": "public" }, { "body": { "id": 494, "nodeType": "Block", "src": "3035:187:5", "statements": [ { "expression": { "argumentTypes": null, "id": 478, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 462, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3041:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 466, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 463, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3049:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 464, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3049:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3041:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 467, "indexExpression": { "argumentTypes": null, "id": 465, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3061:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3041:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "components": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 475, "name": "_addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 457, "src": "3115:11:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 468, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3081:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 471, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 469, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3089:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 470, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3089:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3081:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 473, "indexExpression": { "argumentTypes": null, "id": 472, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3101:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3081:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 474, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 137, "src": "3081:33:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 476, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3081:46:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 477, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3073:55:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3041:87:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 479, "nodeType": "ExpressionStatement", "src": "3041:87:5" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 481, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3148:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 482, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3148:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 483, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3160:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 484, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3170:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 487, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 485, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3178:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 486, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3178:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3170:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 489, "indexExpression": { "argumentTypes": null, "id": 488, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3190:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3170:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 480, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "3139:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 490, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3139:61:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 491, "nodeType": "EmitStatement", "src": "3134:66:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 492, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "3213:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 461, "id": 493, "nodeType": "Return", "src": "3206:11:5" } ] }, "documentation": "@dev Increase the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed[_spender] == 0. To increment\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param _spender The address which will spend the funds.\n@param _addedValue The amount of tokens to increase the allowance by.", "id": 495, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "increaseApproval", "nodeType": "FunctionDefinition", "parameters": { "id": 458, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 455, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 495, "src": "2957:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 454, "name": "address", "nodeType": "ElementaryTypeName", "src": "2957:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 457, "name": "_addedValue", "nodeType": "VariableDeclaration", "scope": 495, "src": "2979:19:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 456, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2979:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2951:51:5" }, "payable": false, "returnParameters": { "id": 461, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 460, "name": "", "nodeType": "VariableDeclaration", "scope": 495, "src": "3027:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 459, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3027:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3026:6:5" }, "scope": 556, "src": "2926:296:5", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 554, "nodeType": "Block", "src": "3793:318:5", "statements": [ { "assignments": [ 505 ], "declarations": [ { "constant": false, "id": 505, "name": "oldValue", "nodeType": "VariableDeclaration", "scope": 555, "src": "3799:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 504, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3799:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 512, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 506, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3818:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 509, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 507, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3826:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 508, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3826:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3818:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 511, "indexExpression": { "argumentTypes": null, "id": 510, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3838:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3818:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "3799:48:5" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 515, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 513, "name": "_subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 499, "src": "3857:16:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 514, "name": "oldValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 505, "src": "3877:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3857:28:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 538, "nodeType": "Block", "src": "3941:77:5", "statements": [ { "expression": { "argumentTypes": null, "id": 536, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 526, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3949:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 530, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 527, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3957:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 528, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3957:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3949:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 531, "indexExpression": { "argumentTypes": null, "id": 529, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3969:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3949:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 534, "name": "_subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 499, "src": "3994:16:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 532, "name": "oldValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 505, "src": "3981:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 113, "src": "3981:12:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 535, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3981:30:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3949:62:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 537, "nodeType": "ExpressionStatement", "src": "3949:62:5" } ] }, "id": 539, "nodeType": "IfStatement", "src": "3853:165:5", "trueBody": { "id": 525, "nodeType": "Block", "src": "3887:48:5", "statements": [ { "expression": { "argumentTypes": null, "id": 523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 516, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3895:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 520, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 517, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3903:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 518, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3903:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3895:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 521, "indexExpression": { "argumentTypes": null, "id": 519, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3915:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3895:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3927:1:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3895:33:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 524, "nodeType": "ExpressionStatement", "src": "3895:33:5" } ] } }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 541, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "4037:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 542, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4037:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 543, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "4049:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 544, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "4059:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 547, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 545, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "4067:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 546, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4067:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4059:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 549, "indexExpression": { "argumentTypes": null, "id": 548, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "4079:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4059:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 540, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "4028:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 550, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4028:61:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 551, "nodeType": "EmitStatement", "src": "4023:66:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 552, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "4102:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 503, "id": 553, "nodeType": "Return", "src": "4095:11:5" } ] }, "documentation": "@dev Decrease the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed[_spender] == 0. To decrement\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param _spender The address which will spend the funds.\n@param _subtractedValue The amount of tokens to decrease the allowance by.", "id": 555, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "decreaseApproval", "nodeType": "FunctionDefinition", "parameters": { "id": 500, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 497, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 555, "src": "3710:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 496, "name": "address", "nodeType": "ElementaryTypeName", "src": "3710:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 499, "name": "_subtractedValue", "nodeType": "VariableDeclaration", "scope": 555, "src": "3732:24:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 498, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3732:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3704:56:5" }, "payable": false, "returnParameters": { "id": 503, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 502, "name": "", "nodeType": "VariableDeclaration", "scope": 555, "src": "3785:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 501, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3785:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3784:6:5" }, "scope": 556, "src": "3679:432:5", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 557, "src": "334:3780:5" } ], "src": "0:4115:5" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/StandardToken.sol", "exportedSymbols": { "StandardToken": [ 556 ] }, "id": 557, "nodeType": "SourceUnit", "nodes": [ { "id": 311, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:5" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/BasicToken.sol", "file": "./BasicToken.sol", "id": 312, "nodeType": "ImportDirective", "scope": 557, "sourceUnit": 235, "src": "26:26:5", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/token/ERC20/ERC20.sol", "file": "./ERC20.sol", "id": 313, "nodeType": "ImportDirective", "scope": 557, "sourceUnit": 278, "src": "53:21:5", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 314, "name": "ERC20", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 277, "src": "360:5:5", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$277", "typeString": "contract ERC20" } }, "id": 315, "nodeType": "InheritanceSpecifier", "src": "360:5:5" }, { "arguments": null, "baseName": { "contractScope": null, "id": 316, "name": "BasicToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 234, "src": "367:10:5", "typeDescriptions": { "typeIdentifier": "t_contract$_BasicToken_$234", "typeString": "contract BasicToken" } }, "id": 317, "nodeType": "InheritanceSpecifier", "src": "367:10:5" } ], "contractDependencies": [ 234, 277, 309 ], "contractKind": "contract", "documentation": "@title Standard ERC20 token\n * @dev Implementation of the basic standard token.\nhttps://github.com/ethereum/EIPs/issues/20\nBased on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol", "fullyImplemented": true, "id": 556, "linearizedBaseContracts": [ 556, 234, 277, 309 ], "name": "StandardToken", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 323, "name": "allowed", "nodeType": "VariableDeclaration", "scope": 556, "src": "383:66:5", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "typeName": { "id": 322, "keyType": { "id": 318, "name": "address", "nodeType": "ElementaryTypeName", "src": "392:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "383:49:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" }, "valueType": { "id": 321, "keyType": { "id": 319, "name": "address", "nodeType": "ElementaryTypeName", "src": "412:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "403:28:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 320, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "423:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } } }, "value": null, "visibility": "internal" }, { "body": { "id": 408, "nodeType": "Block", "src": "840:356:5", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 339, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 335, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "854:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 336, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 151, "src": "864:8:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 338, "indexExpression": { "argumentTypes": null, "id": 337, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "873:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "864:15:5", "typeDescriptions": 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"referencedDeclaration": 325, "src": "912:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "904:14:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 349, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 347, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "919:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 348, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "919:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "904:26:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "894:36:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 342, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 574, 575 ], "referencedDeclaration": 574, "src": "886:7:5", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 351, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "886:45:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 352, "nodeType": "ExpressionStatement", "src": "886:45:5" }, { "expression": { 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"typeString": "int_const 0" } ], "id": 355, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "952:7:5", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 357, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "952:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "945:17:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 353, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 574, 575 ], "referencedDeclaration": 574, "src": "937:7:5", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 359, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "937:26:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 360, "nodeType": "ExpressionStatement", "src": "937:26:5" }, { "expression": { "argumentTypes": null, "id": 370, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 361, "name": "balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 151, "src": "970:8:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 363, "indexExpression": { "argumentTypes": null, "id": 362, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], 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"typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 387, "indexExpression": { "argumentTypes": null, "id": 384, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1076:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1068:14:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 388, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 385, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1083:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 386, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1083:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1068:26:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 396, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "1128:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 389, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "1097:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 391, "indexExpression": { "argumentTypes": null, "id": 390, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1105:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1097:14:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 394, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 392, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1112:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 393, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1112:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1097:26:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 395, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 113, "src": "1097:30:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 397, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1097:38:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1068:67:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 399, "nodeType": "ExpressionStatement", "src": "1068:67:5" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 401, "name": "_from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 325, "src": "1155:5:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 402, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 327, "src": "1162:3:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 403, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 329, "src": "1167:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 400, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 308, "src": "1146:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 404, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1146:28:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 405, "nodeType": "EmitStatement", "src": "1141:33:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 406, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1187:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 333, "id": 407, "nodeType": "Return", "src": "1180:11:5" } ] }, "documentation": "@dev Transfer tokens from one address to another\n@param _from address The address which you want to send tokens from\n@param _to address The address which you want to transfer to\n@param _value uint256 the amount of tokens to be transferred", "id": 409, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "transferFrom", "nodeType": "FunctionDefinition", "parameters": { "id": 330, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 325, "name": "_from", "nodeType": "VariableDeclaration", "scope": 409, "src": "753:13:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 324, "name": "address", "nodeType": "ElementaryTypeName", "src": "753:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 327, "name": "_to", "nodeType": "VariableDeclaration", "scope": 409, "src": "772:11:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 326, "name": "address", "nodeType": "ElementaryTypeName", "src": "772:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 329, "name": "_value", "nodeType": "VariableDeclaration", "scope": 409, "src": "789:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 328, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "789:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "747:60:5" }, "payable": false, "returnParameters": { "id": 333, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 332, "name": "", "nodeType": "VariableDeclaration", "scope": 409, "src": "832:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 331, "name": "bool", "nodeType": "ElementaryTypeName", "src": "832:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "831:6:5" }, "scope": 556, "src": "726:470:5", "stateMutability": "nonpayable", "superFunction": 259, "visibility": "public" }, { "body": { "id": 436, "nodeType": "Block", "src": "1887:115:5", "statements": [ { "expression": { "argumentTypes": null, "id": 425, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 418, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "1893:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 422, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 419, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1901:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 420, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1901:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "1893:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 423, "indexExpression": { "argumentTypes": null, "id": 421, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 411, "src": "1913:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "1893:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 424, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 413, "src": "1925:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1893:38:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 426, "nodeType": "ExpressionStatement", "src": "1893:38:5" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 428, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "1951:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1951:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 430, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 411, "src": "1963:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 431, "name": "_value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 413, "src": "1973:6:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 427, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "1942:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 432, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1942:38:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 433, "nodeType": "EmitStatement", "src": "1937:43:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 434, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1993:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 417, "id": 435, "nodeType": "Return", "src": "1986:11:5" } ] }, "documentation": "@dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.\nBeware that changing an allowance with this method brings the risk that someone may use both the old\nand the new allowance by unfortunate transaction ordering. One possible solution to mitigate this\nrace condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:\nhttps://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n@param _spender The address which will spend the funds.\n@param _value The amount of tokens to be spent.", "id": 437, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "approve", "nodeType": "FunctionDefinition", "parameters": { "id": 414, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 411, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 437, "src": "1831:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 410, "name": "address", "nodeType": "ElementaryTypeName", "src": "1831:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 413, "name": "_value", "nodeType": "VariableDeclaration", "scope": 437, "src": "1849:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 412, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1849:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1830:34:5" }, "payable": false, "returnParameters": { "id": 417, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 416, "name": "", "nodeType": "VariableDeclaration", "scope": 437, "src": "1881:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 415, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1881:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1880:6:5" }, "scope": 556, "src": "1814:188:5", "stateMutability": "nonpayable", "superFunction": 268, "visibility": "public" }, { "body": { "id": 452, "nodeType": "Block", "src": "2431:43:5", "statements": [ { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 446, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "2444:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 448, "indexExpression": { "argumentTypes": null, "id": 447, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 439, "src": "2452:6:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2444:15:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 450, "indexExpression": { "argumentTypes": null, "id": 449, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 441, "src": "2460:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2444:25:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 445, "id": 451, "nodeType": "Return", "src": "2437:32:5" } ] }, "documentation": "@dev Function to check the amount of tokens that an owner allowed to a spender.\n@param _owner address The address which owns the funds.\n@param _spender address The address which will spend the funds.\n@return A uint256 specifying the amount of tokens still available for the spender.", "id": 453, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "allowance", "nodeType": "FunctionDefinition", "parameters": { "id": 442, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 439, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 453, "src": "2345:14:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 438, "name": "address", "nodeType": "ElementaryTypeName", "src": "2345:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 441, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 453, "src": "2365:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 440, "name": "address", "nodeType": "ElementaryTypeName", "src": "2365:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2339:47:5" }, "payable": false, "returnParameters": { "id": 445, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 444, "name": "", "nodeType": "VariableDeclaration", "scope": 453, "src": "2420:7:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 443, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2420:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2419:9:5" }, "scope": 556, "src": "2321:153:5", "stateMutability": "view", "superFunction": 248, "visibility": "public" }, { "body": { "id": 494, "nodeType": "Block", "src": "3035:187:5", "statements": [ { "expression": { "argumentTypes": null, "id": 478, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 462, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3041:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 466, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 463, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3049:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 464, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3049:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3041:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 467, "indexExpression": { "argumentTypes": null, "id": 465, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3061:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3041:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "components": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 475, "name": "_addedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 457, "src": "3115:11:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 468, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3081:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 471, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 469, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3089:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 470, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3089:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3081:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 473, "indexExpression": { "argumentTypes": null, "id": 472, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3101:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3081:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 474, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 137, "src": "3081:33:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 476, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3081:46:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 477, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3073:55:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3041:87:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 479, "nodeType": "ExpressionStatement", "src": "3041:87:5" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 481, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3148:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 482, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3148:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 483, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3160:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 484, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3170:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 487, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 485, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3178:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 486, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3178:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3170:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 489, "indexExpression": { "argumentTypes": null, "id": 488, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 455, "src": "3190:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3170:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 480, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "3139:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 490, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3139:61:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 491, "nodeType": "EmitStatement", "src": "3134:66:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 492, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "3213:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 461, "id": 493, "nodeType": "Return", "src": "3206:11:5" } ] }, "documentation": "@dev Increase the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed[_spender] == 0. To increment\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param _spender The address which will spend the funds.\n@param _addedValue The amount of tokens to increase the allowance by.", "id": 495, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "increaseApproval", "nodeType": "FunctionDefinition", "parameters": { "id": 458, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 455, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 495, "src": "2957:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 454, "name": "address", "nodeType": "ElementaryTypeName", "src": "2957:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 457, "name": "_addedValue", "nodeType": "VariableDeclaration", "scope": 495, "src": "2979:19:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 456, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2979:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2951:51:5" }, "payable": false, "returnParameters": { "id": 461, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 460, "name": "", "nodeType": "VariableDeclaration", "scope": 495, "src": "3027:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 459, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3027:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3026:6:5" }, "scope": 556, "src": "2926:296:5", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 554, "nodeType": "Block", "src": "3793:318:5", "statements": [ { "assignments": [ 505 ], "declarations": [ { "constant": false, "id": 505, "name": "oldValue", "nodeType": "VariableDeclaration", "scope": 555, "src": "3799:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 504, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3799:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 512, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 506, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3818:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 509, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 507, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3826:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 508, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3826:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3818:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 511, "indexExpression": { "argumentTypes": null, "id": 510, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3838:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3818:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "3799:48:5" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 515, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 513, "name": "_subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 499, "src": "3857:16:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 514, "name": "oldValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 505, "src": "3877:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3857:28:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 538, "nodeType": "Block", "src": "3941:77:5", "statements": [ { "expression": { "argumentTypes": null, "id": 536, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 526, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3949:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 530, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 527, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3957:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 528, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3957:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3949:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 531, "indexExpression": { "argumentTypes": null, "id": 529, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3969:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3949:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 534, "name": "_subtractedValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 499, "src": "3994:16:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 532, "name": "oldValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 505, "src": "3981:8:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 533, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 113, "src": "3981:12:5", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 535, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3981:30:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3949:62:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 537, "nodeType": "ExpressionStatement", "src": "3949:62:5" } ] }, "id": 539, "nodeType": "IfStatement", "src": "3853:165:5", "trueBody": { "id": 525, "nodeType": "Block", "src": "3887:48:5", "statements": [ { "expression": { "argumentTypes": null, "id": 523, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 516, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "3895:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 520, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 517, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "3903:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 518, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3903:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3895:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 521, "indexExpression": { "argumentTypes": null, "id": 519, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "3915:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "3895:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3927:1:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "3895:33:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 524, "nodeType": "ExpressionStatement", "src": "3895:33:5" } ] } }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 541, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "4037:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 542, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4037:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 543, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "4049:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 544, "name": "allowed", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 323, "src": "4059:7:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_uint256_$_$", "typeString": "mapping(address => mapping(address => uint256))" } }, "id": 547, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 545, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 571, "src": "4067:3:5", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 546, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4067:10:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4059:19:5", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 549, "indexExpression": { "argumentTypes": null, "id": 548, "name": "_spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 497, "src": "4079:8:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4059:29:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 540, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 276, "src": "4028:8:5", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 550, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4028:61:5", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 551, "nodeType": "EmitStatement", "src": "4023:66:5" }, { "expression": { "argumentTypes": null, "hexValue": "74727565", "id": 552, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "4102:4:5", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "functionReturnParameters": 503, "id": 553, "nodeType": "Return", "src": "4095:11:5" } ] }, "documentation": "@dev Decrease the amount of tokens that an owner allowed to a spender.\napprove should be called when allowed[_spender] == 0. To decrement\nallowed value is better to use this function to avoid 2 calls (and wait until\nthe first transaction is mined)\nFrom MonolithDAO Token.sol\n@param _spender The address which will spend the funds.\n@param _subtractedValue The amount of tokens to decrease the allowance by.", "id": 555, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "decreaseApproval", "nodeType": "FunctionDefinition", "parameters": { "id": 500, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 497, "name": "_spender", "nodeType": "VariableDeclaration", "scope": 555, "src": "3710:16:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 496, "name": "address", "nodeType": "ElementaryTypeName", "src": "3710:7:5", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 499, "name": "_subtractedValue", "nodeType": "VariableDeclaration", "scope": 555, "src": "3732:24:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 498, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3732:7:5", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "3704:56:5" }, "payable": false, "returnParameters": { "id": 503, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 502, "name": "", "nodeType": "VariableDeclaration", "scope": 555, "src": "3785:4:5", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 501, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3785:4:5", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "3784:6:5" }, "scope": 556, "src": "3679:432:5", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 557, "src": "334:3780:5" } ], "src": "0:4115:5" }, "compiler": { "name": "solc", "version": "0.4.25+commit.59dbf8f1.Emscripten.clang" }, "networks": {}, "schemaVersion": "2.0.2", "updatedAt": "2020-03-16T03:58:56.143Z" }