UNPKG

kleros-interaction-2

Version:
1,273 lines (1,272 loc) 91.9 kB
{ "contractName": "SafeMath", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820bd385704a7cdeeee49ba5e7c584a3197d8d330e17874d1f7883d1a03624e51460029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820bd385704a7cdeeee49ba5e7c584a3197d8d330e17874d1f7883d1a03624e51460029", "sourceMap": "117:1251:61:-;;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": "117:1251:61:-;;;;;;;;", "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": [ 19846 ] }, "id": 19847, "nodeType": "SourceUnit", "nodes": [ { "id": 19754, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:61" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 19846, "linearizedBaseContracts": [ 19846 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 19786, "nodeType": "Block", "src": "274:309:61", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19765, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19763, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19756, "src": "489:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 19764, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 19769, "nodeType": "IfStatement", "src": "485:36:61", "trueBody": { "id": 19768, "nodeType": "Block", "src": "498:23:61", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 19766, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "513:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 19762, "id": 19767, "nodeType": "Return", "src": "506:8:61" } ] } }, { "expression": { "argumentTypes": null, "id": 19774, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 19770, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19761, "src": "527:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19773, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19771, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19756, "src": "531:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 19772, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19758, "src": "536:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "531:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "527:11:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 19775, "nodeType": "ExpressionStatement", "src": "527:11:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19781, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19779, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19777, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19761, "src": "551:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 19778, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19756, "src": "555:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:6:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 19780, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19758, "src": "561:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:12:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 19776, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20628, "src": "544:6:61", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 19782, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "544:20:61", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 19783, "nodeType": "ExpressionStatement", "src": "544:20:61" }, { "expression": { "argumentTypes": null, "id": 19784, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19761, "src": "577:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 19762, "id": 19785, "nodeType": "Return", "src": "570:8:61" } ] }, "documentation": "@dev Multiplies two numbers, throws on overflow.", "id": 19787, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "mul", "nodeType": "FunctionDefinition", "parameters": { "id": 19759, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19756, "name": "_a", "nodeType": "VariableDeclaration", "scope": 19787, "src": "216:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19755, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "216:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 19758, "name": "_b", "nodeType": "VariableDeclaration", "scope": 19787, "src": "228:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19757, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "215:24:61" }, "payable": false, "returnParameters": { "id": 19762, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19761, "name": "c", "nodeType": "VariableDeclaration", "scope": 19787, "src": "263:9:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19760, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "263:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "262:11:61" }, "scope": 19846, "src": "203:380:61", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 19800, "nodeType": "Block", "src": "734:214:61", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19798, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19796, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19789, "src": "936:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 19797, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19791, "src": "941:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "936:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 19795, "id": 19799, "nodeType": "Return", "src": "929:14:61" } ] }, "documentation": "@dev Integer division of two numbers, truncating the quotient.", "id": 19801, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "div", "nodeType": "FunctionDefinition", "parameters": { "id": 19792, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19789, "name": "_a", "nodeType": "VariableDeclaration", "scope": 19801, "src": "678:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19788, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "678:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 19791, "name": "_b", "nodeType": "VariableDeclaration", "scope": 19801, "src": "690:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19790, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "690:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "677:24:61" }, "payable": false, "returnParameters": { "id": 19795, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19794, "name": "", "nodeType": "VariableDeclaration", "scope": 19801, "src": "725:7:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19793, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "725:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "724:9:61" }, "scope": 19846, "src": "665:283:61", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 19820, "nodeType": "Block", "src": "1129:47:61", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19813, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19811, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19805, "src": "1142:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 19812, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19803, "src": "1148:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1142:8:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 19810, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20628, "src": "1135:6:61", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 19814, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1135:16:61", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 19815, "nodeType": "ExpressionStatement", "src": "1135:16:61" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19818, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19816, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19803, "src": "1164:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 19817, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19805, "src": "1169:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1164:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 19809, "id": 19819, "nodeType": "Return", "src": "1157:14:61" } ] }, "documentation": "@dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).", "id": 19821, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "sub", "nodeType": "FunctionDefinition", "parameters": { "id": 19806, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19803, "name": "_a", "nodeType": "VariableDeclaration", "scope": 19821, "src": "1073:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19802, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1073:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 19805, "name": "_b", "nodeType": "VariableDeclaration", "scope": 19821, "src": "1085:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19804, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1085:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1072:24:61" }, "payable": false, "returnParameters": { "id": 19809, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19808, "name": "", "nodeType": "VariableDeclaration", "scope": 19821, "src": "1120:7:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19807, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1120:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1119:9:61" }, "scope": 19846, "src": "1060:116:61", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 19844, "nodeType": "Block", "src": "1309:57:61", "statements": [ { "expression": { "argumentTypes": null, "id": 19834, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 19830, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19828, "src": "1315:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19833, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19831, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19823, "src": "1319:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 19832, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19825, "src": "1324:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1319:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1315:11:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 19835, "nodeType": "ExpressionStatement", "src": "1315:11:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19839, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19837, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19828, "src": "1339:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 19838, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19823, "src": "1344:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1339:7:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 19836, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20628, "src": "1332:6:61", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 19840, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1332:15:61", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 19841, "nodeType": "ExpressionStatement", "src": "1332:15:61" }, { "expression": { "argumentTypes": null, "id": 19842, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19828, "src": "1360:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 19829, "id": 19843, "nodeType": "Return", "src": "1353:8:61" } ] }, "documentation": "@dev Adds two numbers, throws on overflow.", "id": 19845, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "add", "nodeType": "FunctionDefinition", "parameters": { "id": 19826, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19823, "name": "_a", "nodeType": "VariableDeclaration", "scope": 19845, "src": "1251:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19822, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1251:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 19825, "name": "_b", "nodeType": "VariableDeclaration", "scope": 19845, "src": "1263:10:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19824, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1250:24:61" }, "payable": false, "returnParameters": { "id": 19829, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 19828, "name": "c", "nodeType": "VariableDeclaration", "scope": 19845, "src": "1298:9:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 19827, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1297:11:61" }, "scope": 19846, "src": "1238:128:61", "stateMutability": "pure", "superFunction": null, "visibility": "internal" } ], "scope": 19847, "src": "117:1251:61" } ], "src": "0:1369:61" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 19846 ] }, "id": 19847, "nodeType": "SourceUnit", "nodes": [ { "id": 19754, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:61" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 19846, "linearizedBaseContracts": [ 19846 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 19786, "nodeType": "Block", "src": "274:309:61", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 19765, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 19763, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19756, "src": "489:2:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 19764, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool"