{ "contractName": "SafeMath", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a723058208039be690fcb121eceb5677b72be9a3448b94fbe32d322db860abcab2a433c9c0029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a723058208039be690fcb121eceb5677b72be9a3448b94fbe32d322db860abcab2a433c9c0029", "sourceMap": "117:1251:42:-;;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": "117:1251:42:-;;;;;;;;", "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": "zeppelin-solidity/contracts/math/SafeMath.sol", "ast": { "absolutePath": "zeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 6816 ] }, "id": 6817, "nodeType": "SourceUnit", "nodes": [ { "id": 6724, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:42" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 6816, "linearizedBaseContracts": [ 6816 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 6756, "nodeType": "Block", "src": "274:309:42", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6735, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6733, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "489:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 6734, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:42", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 6739, "nodeType": "IfStatement", "src": "485:36:42", "trueBody": { "id": 6738, "nodeType": "Block", "src": "498:23:42", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 6736, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "513:1:42", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 6732, "id": 6737, "nodeType": "Return", "src": "506:8:42" } ] } }, { "expression": { "argumentTypes": null, "id": 6744, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6740, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "527:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6743, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6741, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "531:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 6742, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6728, "src": "536:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "531:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "527:11:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6745, "nodeType": "ExpressionStatement", "src": "527:11:42" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6751, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6749, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6747, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "551:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 6748, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "555:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:6:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6750, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6728, "src": "561:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:12:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6746, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "544:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6752, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "544:20:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6753, "nodeType": "ExpressionStatement", "src": "544:20:42" }, { "expression": { "argumentTypes": null, "id": 6754, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "577:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6732, "id": 6755, "nodeType": "Return", "src": "570:8:42" } ] }, "documentation": "@dev Multiplies two numbers, throws on overflow.", "id": 6757, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "mul", "nodeType": "FunctionDefinition", "parameters": { "id": 6729, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6726, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6757, "src": "216:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6725, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "216:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6728, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6757, "src": "228:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6727, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "215:24:42" }, "payable": false, "returnParameters": { "id": 6732, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6731, "name": "c", "nodeType": "VariableDeclaration", "scope": 6757, "src": "263:9:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6730, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "263:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "262:11:42" }, "scope": 6816, "src": "203:380:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6770, "nodeType": "Block", "src": "734:214:42", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6768, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6766, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6759, "src": "936:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 6767, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6761, "src": "941:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "936:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6765, "id": 6769, "nodeType": "Return", "src": "929:14:42" } ] }, "documentation": "@dev Integer division of two numbers, truncating the quotient.", "id": 6771, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "div", "nodeType": "FunctionDefinition", "parameters": { "id": 6762, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6759, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6771, "src": "678:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6758, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "678:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6761, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6771, "src": "690:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6760, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "690:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "677:24:42" }, "payable": false, "returnParameters": { "id": 6765, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6764, "name": "", "nodeType": "VariableDeclaration", "scope": 6771, "src": "725:7:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6763, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "725:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "724:9:42" }, "scope": 6816, "src": "665:283:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6790, "nodeType": "Block", "src": "1129:47:42", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6781, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6775, "src": "1142:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 6782, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6773, "src": "1148:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1142:8:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6780, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "1135:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6784, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1135:16:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6785, "nodeType": "ExpressionStatement", "src": "1135:16:42" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6788, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6786, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6773, "src": "1164:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 6787, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6775, "src": "1169:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1164:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6779, "id": 6789, "nodeType": "Return", "src": "1157:14:42" } ] }, "documentation": "@dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).", "id": 6791, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "sub", "nodeType": "FunctionDefinition", "parameters": { "id": 6776, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6773, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1073:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6772, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1073:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6775, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1085:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6774, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1085:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1072:24:42" }, "payable": false, "returnParameters": { "id": 6779, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6778, "name": "", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1120:7:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6777, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1120:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1119:9:42" }, "scope": 6816, "src": "1060:116:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6814, "nodeType": "Block", "src": "1309:57:42", "statements": [ { "expression": { "argumentTypes": null, "id": 6804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6800, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1315:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6803, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6801, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6793, "src": "1319:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 6802, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6795, "src": "1324:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1319:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1315:11:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6805, "nodeType": "ExpressionStatement", "src": "1315:11:42" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6809, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6807, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1339:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 6808, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6793, "src": "1344:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1339:7:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6806, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "1332:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6810, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1332:15:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6811, "nodeType": "ExpressionStatement", "src": "1332:15:42" }, { "expression": { "argumentTypes": null, "id": 6812, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1360:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6799, "id": 6813, "nodeType": "Return", "src": "1353:8:42" } ] }, "documentation": "@dev Adds two numbers, throws on overflow.", "id": 6815, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "add", "nodeType": "FunctionDefinition", "parameters": { "id": 6796, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6793, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1251:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6792, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1251:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6795, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1263:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6794, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1250:24:42" }, "payable": false, "returnParameters": { "id": 6799, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6798, "name": "c", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1298:9:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6797, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1297:11:42" }, "scope": 6816, "src": "1238:128:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" } ], "scope": 6817, "src": "117:1251:42" } ], "src": "0:1369:42" }, "legacyAST": { "absolutePath": "zeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 6816 ] }, "id": 6817, "nodeType": "SourceUnit", "nodes": [ { "id": 6724, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:42" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Math operations with safety checks that throw on error", "fullyImplemented": true, "id": 6816, "linearizedBaseContracts": [ 6816 ], "name": "SafeMath", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 6756, "nodeType": "Block", "src": "274:309:42", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6735, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6733, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "489:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 6734, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "495:1:42", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "489:7:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 6739, "nodeType": "IfStatement", "src": "485:36:42", "trueBody": { "id": 6738, "nodeType": "Block", "src": "498:23:42", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 6736, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "513:1:42", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 6732, "id": 6737, "nodeType": "Return", "src": "506:8:42" } ] } }, { "expression": { "argumentTypes": null, "id": 6744, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6740, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "527:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6743, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6741, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "531:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "*", "rightExpression": { "argumentTypes": null, "id": 6742, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6728, "src": "536:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "531:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "527:11:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6745, "nodeType": "ExpressionStatement", "src": "527:11:42" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6751, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6749, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6747, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "551:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 6748, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6726, "src": "555:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:6:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6750, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6728, "src": "561:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "551:12:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6746, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "544:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6752, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "544:20:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6753, "nodeType": "ExpressionStatement", "src": "544:20:42" }, { "expression": { "argumentTypes": null, "id": 6754, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6731, "src": "577:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6732, "id": 6755, "nodeType": "Return", "src": "570:8:42" } ] }, "documentation": "@dev Multiplies two numbers, throws on overflow.", "id": 6757, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "mul", "nodeType": "FunctionDefinition", "parameters": { "id": 6729, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6726, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6757, "src": "216:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6725, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "216:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6728, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6757, "src": "228:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6727, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "228:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "215:24:42" }, "payable": false, "returnParameters": { "id": 6732, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6731, "name": "c", "nodeType": "VariableDeclaration", "scope": 6757, "src": "263:9:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6730, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "263:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "262:11:42" }, "scope": 6816, "src": "203:380:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6770, "nodeType": "Block", "src": "734:214:42", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6768, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6766, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6759, "src": "936:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "/", "rightExpression": { "argumentTypes": null, "id": 6767, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6761, "src": "941:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "936:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6765, "id": 6769, "nodeType": "Return", "src": "929:14:42" } ] }, "documentation": "@dev Integer division of two numbers, truncating the quotient.", "id": 6771, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "div", "nodeType": "FunctionDefinition", "parameters": { "id": 6762, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6759, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6771, "src": "678:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6758, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "678:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6761, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6771, "src": "690:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6760, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "690:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "677:24:42" }, "payable": false, "returnParameters": { "id": 6765, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6764, "name": "", "nodeType": "VariableDeclaration", "scope": 6771, "src": "725:7:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6763, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "725:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "724:9:42" }, "scope": 6816, "src": "665:283:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6790, "nodeType": "Block", "src": "1129:47:42", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6783, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6781, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6775, "src": "1142:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<=", "rightExpression": { "argumentTypes": null, "id": 6782, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6773, "src": "1148:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1142:8:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6780, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "1135:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6784, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1135:16:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6785, "nodeType": "ExpressionStatement", "src": "1135:16:42" }, { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6788, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6786, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6773, "src": "1164:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "id": 6787, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6775, "src": "1169:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1164:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6779, "id": 6789, "nodeType": "Return", "src": "1157:14:42" } ] }, "documentation": "@dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).", "id": 6791, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "sub", "nodeType": "FunctionDefinition", "parameters": { "id": 6776, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6773, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1073:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6772, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1073:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6775, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1085:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6774, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1085:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1072:24:42" }, "payable": false, "returnParameters": { "id": 6779, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6778, "name": "", "nodeType": "VariableDeclaration", "scope": 6791, "src": "1120:7:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6777, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1120:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1119:9:42" }, "scope": 6816, "src": "1060:116:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 6814, "nodeType": "Block", "src": "1309:57:42", "statements": [ { "expression": { "argumentTypes": null, "id": 6804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6800, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1315:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6803, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6801, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6793, "src": "1319:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "id": 6802, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6795, "src": "1324:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1319:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1315:11:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6805, "nodeType": "ExpressionStatement", "src": "1315:11:42" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6809, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6807, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1339:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 6808, "name": "_a", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6793, "src": "1344:2:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1339:7:42", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 6806, "name": "assert", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7651, "src": "1332:6:42", "typeDescriptions": { "typeIdentifier": "t_function_assert_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 6810, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1332:15:42", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6811, "nodeType": "ExpressionStatement", "src": "1332:15:42" }, { "expression": { "argumentTypes": null, "id": 6812, "name": "c", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6798, "src": "1360:1:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 6799, "id": 6813, "nodeType": "Return", "src": "1353:8:42" } ] }, "documentation": "@dev Adds two numbers, throws on overflow.", "id": 6815, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "add", "nodeType": "FunctionDefinition", "parameters": { "id": 6796, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6793, "name": "_a", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1251:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6792, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1251:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6795, "name": "_b", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1263:10:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6794, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1263:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1250:24:42" }, "payable": false, "returnParameters": { "id": 6799, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6798, "name": "c", "nodeType": "VariableDeclaration", "scope": 6815, "src": "1298:9:42", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6797, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1298:7:42", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1297:11:42" }, "scope": 6816, "src": "1238:128:42", "stateMutability": "pure", "superFunction": null, "visibility": "internal" } ], "scope": 6817, "src": "117:1251:42" } ], "src": "0:1369:42" }, "compiler": { "name": "solc", "version": "0.4.24+commit.e67f0147.Emscripten.clang" }, "networks": {}, "schemaVersion": "2.0.1", "updatedAt": "2018-10-24T12:40:22.249Z" }