{ "contractName": "SafeMath", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820a7682b907fe2653998f8a00e5c08803cbc4350476bffa4ae6d68d12b072b52660029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820a7682b907fe2653998f8a00e5c08803cbc4350476bffa4ae6d68d12b072b52660029", "sourceMap": "117:1251:20:-;;132:2:-1;166:7;155:9;146:7;137:37;252:7;246:14;243:1;238:23;232:4;229:33;270:1;265:20;;;;222:63;;265:20;274:9;222:63;;298:9;295:1;288:20;328:4;319:7;311:22;352:7;343;336:24", "deployedSourceMap": "117:1251:20:-;;;;;;;;", "source": "pragma solidity ^0.4.24;\n\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n /**\n * @dev Multiplies two numbers, throws on overflow.\n */\n function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {\n // Gas optimization: this is cheaper than asserting 'a' not being zero, but the\n // benefit is lost if 'b' is also tested.\n // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522\n if (_a == 0) {\n return 0;\n }\n\n c = _a * _b;\n assert(c / _a == _b);\n return c;\n }\n\n /**\n * @dev Integer division of two numbers, truncating the quotient.\n */\n function div(uint256 _a, uint256 _b) internal pure returns (uint256) {\n // assert(_b > 0); // Solidity automatically throws when dividing by 0\n // uint256 c = _a / _b;\n // assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold\n return _a / _b;\n }\n\n /**\n * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).\n */\n function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {\n assert(_b <= _a);\n return _a - _b;\n }\n\n /**\n * @dev Adds two numbers, throws on overflow.\n */\n function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {\n c = _a + _b;\n assert(c >= _a);\n return c;\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 8508 ] }, "id": 8509, "nodeType": "SourceUnit", "nodes": [ { "id": 8416, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:20" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 8508, "linearizedBaseContracts": [ 8508 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8448, "nodeType": "Block", "src": "274:309:20", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8427, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8425, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "489:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 8426, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 8431, "nodeType": "IfStatement", "src": "485:36:20", "trueBody": { "id": 8430, "nodeType": "Block", "src": "498:23:20", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 8428, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "513:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 8424, "id": 8429, "nodeType": "Return", "src": "506:8:20" } ] } }, { "expression": { "argumentTypes": null, "id": 8436, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8432, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "527:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8435, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8433, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "531:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 8434, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8420, "src": "536:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "531:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "527:11:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8437, "nodeType": "ExpressionStatement", "src": "527:11:20" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8443, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8441, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8439, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "551:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 8440, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "555:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:6:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 8442, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8420, "src": "561:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:12:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8438, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "544:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8444, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "544:20:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8445, "nodeType": "ExpressionStatement", "src": "544:20:20" }, { "expression": { "argumentTypes": null, "id": 8446, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "577:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8424, "id": 8447, "nodeType": "Return", "src": "570:8:20" } ] }, "documentation": "@dev Multiplies two numbers, throws on overflow.", "id": 8449, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "mul", "nodeType": "FunctionDefinition", "parameters": { "id": 8421, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8418, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8449, "src": "216:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8417, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "216:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8420, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8449, "src": "228:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8419, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "215:24:20" }, "payable": false, "returnParameters": { "id": 8424, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8423, "name": "c", "nodeType": "VariableDeclaration", "scope": 8449, "src": "263:9:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8422, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "263:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "262:11:20" }, "scope": 8508, "src": "203:380:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8462, "nodeType": "Block", "src": "734:214:20", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8460, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8458, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8451, "src": "936:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 8459, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8453, "src": "941:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "936:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8457, "id": 8461, "nodeType": "Return", "src": "929:14:20" } ] }, "documentation": "@dev Integer division of two numbers, truncating the quotient.", "id": 8463, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "div", "nodeType": "FunctionDefinition", "parameters": { "id": 8454, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8451, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8463, "src": "678:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8450, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "678:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8453, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8463, "src": "690:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8452, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "690:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "677:24:20" }, "payable": false, "returnParameters": { "id": 8457, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8456, "name": "", "nodeType": "VariableDeclaration", "scope": 8463, "src": "725:7:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8455, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "725:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "724:9:20" }, "scope": 8508, "src": "665:283:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8482, "nodeType": "Block", "src": "1129:47:20", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8475, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8473, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8467, "src": "1142:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 8474, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8465, "src": "1148:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1142:8:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8472, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "1135:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8476, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1135:16:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8477, "nodeType": "ExpressionStatement", "src": "1135:16:20" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8480, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8478, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8465, "src": "1164:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 8479, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8467, "src": "1169:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1164:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8471, "id": 8481, "nodeType": "Return", "src": "1157:14:20" } ] }, "documentation": "@dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).", "id": 8483, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "sub", "nodeType": "FunctionDefinition", "parameters": { "id": 8468, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8465, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1073:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8464, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1073:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8467, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1085:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8466, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1085:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1072:24:20" }, "payable": false, "returnParameters": { "id": 8471, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8470, "name": "", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1120:7:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8469, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1120:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1119:9:20" }, "scope": 8508, "src": "1060:116:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8506, "nodeType": "Block", "src": "1309:57:20", "statements": [ { "expression": { "argumentTypes": null, "id": 8496, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8492, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1315:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8495, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8493, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8485, "src": "1319:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 8494, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8487, "src": "1324:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1319:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1315:11:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8497, "nodeType": "ExpressionStatement", "src": "1315:11:20" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8501, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8499, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1339:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 8500, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8485, "src": "1344:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1339:7:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8498, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "1332:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8502, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1332:15:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8503, "nodeType": "ExpressionStatement", "src": "1332:15:20" }, { "expression": { "argumentTypes": null, "id": 8504, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1360:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8491, "id": 8505, "nodeType": "Return", "src": "1353:8:20" } ] }, "documentation": "@dev Adds two numbers, throws on overflow.", "id": 8507, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "add", "nodeType": "FunctionDefinition", "parameters": { "id": 8488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8485, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1251:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8484, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1251:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8487, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1263:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8486, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1250:24:20" }, "payable": false, "returnParameters": { "id": 8491, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8490, "name": "c", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1298:9:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8489, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1297:11:20" }, "scope": 8508, "src": "1238:128:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" } ], "scope": 8509, "src": "117:1251:20" } ], "src": "0:1369:20" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 8508 ] }, "id": 8509, "nodeType": "SourceUnit", "nodes": [ { "id": 8416, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:20" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 8508, "linearizedBaseContracts": [ 8508 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 8448, "nodeType": "Block", "src": "274:309:20", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8427, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8425, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "489:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 8426, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 8431, "nodeType": "IfStatement", "src": "485:36:20", "trueBody": { "id": 8430, "nodeType": "Block", "src": "498:23:20", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 8428, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "513:1:20", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 8424, "id": 8429, "nodeType": "Return", "src": "506:8:20" } ] } }, { "expression": { "argumentTypes": null, "id": 8436, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8432, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "527:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8435, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8433, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "531:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 8434, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8420, "src": "536:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "531:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "527:11:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8437, "nodeType": "ExpressionStatement", "src": "527:11:20" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8443, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8441, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8439, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "551:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 8440, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8418, "src": "555:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:6:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 8442, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8420, "src": "561:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:12:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8438, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "544:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8444, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "544:20:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8445, "nodeType": "ExpressionStatement", "src": "544:20:20" }, { "expression": { "argumentTypes": null, "id": 8446, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8423, "src": "577:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8424, "id": 8447, "nodeType": "Return", "src": "570:8:20" } ] }, "documentation": "@dev Multiplies two numbers, throws on overflow.", "id": 8449, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "mul", "nodeType": "FunctionDefinition", "parameters": { "id": 8421, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8418, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8449, "src": "216:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8417, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "216:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8420, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8449, "src": "228:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8419, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "215:24:20" }, "payable": false, "returnParameters": { "id": 8424, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8423, "name": "c", "nodeType": "VariableDeclaration", "scope": 8449, "src": "263:9:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8422, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "263:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "262:11:20" }, "scope": 8508, "src": "203:380:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8462, "nodeType": "Block", "src": "734:214:20", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8460, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8458, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8451, "src": "936:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 8459, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8453, "src": "941:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "936:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8457, "id": 8461, "nodeType": "Return", "src": "929:14:20" } ] }, "documentation": "@dev Integer division of two numbers, truncating the quotient.", "id": 8463, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "div", "nodeType": "FunctionDefinition", "parameters": { "id": 8454, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8451, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8463, "src": "678:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8450, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "678:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8453, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8463, "src": "690:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8452, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "690:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "677:24:20" }, "payable": false, "returnParameters": { "id": 8457, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8456, "name": "", "nodeType": "VariableDeclaration", "scope": 8463, "src": "725:7:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8455, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "725:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "724:9:20" }, "scope": 8508, "src": "665:283:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8482, "nodeType": "Block", "src": "1129:47:20", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8475, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8473, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8467, "src": "1142:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 8474, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8465, "src": "1148:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1142:8:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8472, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "1135:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8476, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1135:16:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8477, "nodeType": "ExpressionStatement", "src": "1135:16:20" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8480, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8478, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8465, "src": "1164:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 8479, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8467, "src": "1169:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1164:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8471, "id": 8481, "nodeType": "Return", "src": "1157:14:20" } ] }, "documentation": "@dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).", "id": 8483, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "sub", "nodeType": "FunctionDefinition", "parameters": { "id": 8468, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8465, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1073:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8464, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1073:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8467, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1085:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8466, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1085:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1072:24:20" }, "payable": false, "returnParameters": { "id": 8471, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8470, "name": "", "nodeType": "VariableDeclaration", "scope": 8483, "src": "1120:7:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8469, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1120:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1119:9:20" }, "scope": 8508, "src": "1060:116:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 8506, "nodeType": "Block", "src": "1309:57:20", "statements": [ { "expression": { "argumentTypes": null, "id": 8496, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8492, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1315:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8495, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8493, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8485, "src": "1319:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 8494, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8487, "src": "1324:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1319:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1315:11:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8497, "nodeType": "ExpressionStatement", "src": "1315:11:20" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8501, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8499, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1339:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 8500, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8485, "src": "1344:2:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1339:7:20", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 8498, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8512, "src": "1332:6:20", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 8502, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1332:15:20", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8503, "nodeType": "ExpressionStatement", "src": "1332:15:20" }, { "expression": { "argumentTypes": null, "id": 8504, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8490, "src": "1360:1:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 8491, "id": 8505, "nodeType": "Return", "src": "1353:8:20" } ] }, "documentation": "@dev Adds two numbers, throws on overflow.", "id": 8507, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "add", "nodeType": "FunctionDefinition", "parameters": { "id": 8488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8485, "name": "_a", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1251:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8484, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1251:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8487, "name": "_b", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1263:10:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8486, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1250:24:20" }, "payable": false, "returnParameters": { "id": 8491, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 8490, "name": "c", "nodeType": "VariableDeclaration", "scope": 8507, "src": "1298:9:20", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8489, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:20", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1297:11:20" }, "scope": 8508, "src": "1238:128:20", "stateMutability": "pure", "superFunction": null, "visibility": "internal" } ], "scope": 8509, "src": "117:1251:20" } ], "src": "0:1369:20" }, "compiler": { "name": "solc", "version": "0.4.25+commit.59dbf8f1.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.0-beta.1", "updatedAt": "2018-11-11T16:30:48.215Z" }