@gooddollar/goodcontracts

{ "contractName": "SafeMath", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.5.4+commit.9549d8ff\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Unsigned math operations with safety checks that revert on error\",\"methods\":{},\"title\":\"SafeMath\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/math/SafeMath.sol\":\"SafeMath\"},\"evmVersion\":\"byzantium\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x965012d27b4262d7a41f5028cbb30c51ebd9ecd4be8fb30380aaa7a3c64fbc8b\",\"urls\":[\"bzzr://41ca38f6b0fa4b77b0feec43e422cfbec48b7eb38a41edf0b85c77e8d9a296b1\"]}},\"version\":1}", "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058200c8b917de7a702bfd38c93b43e8fcd5c6ee9c7021873be9ae2f58ca9e7678d860029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea165627a7a723058200c8b917de7a702bfd38c93b43e8fcd5c6ee9c7021873be9ae2f58ca9e7678d860029", "sourceMap": "125:1726:67:-;;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": "125:1726:67:-;;;;;;;;", "source": "pragma solidity ^0.5.0;\n\n/**\n * @title SafeMath\n * @dev Unsigned math operations with safety checks that revert on error\n */\nlibrary SafeMath {\n /**\n * @dev Multiplies two unsigned integers, reverts on overflow.\n */\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n // Gas optimization: this is cheaper than requiring '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 uint256 c = a * b;\n require(c / a == b);\n\n return c;\n }\n\n /**\n * @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.\n */\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\n // Solidity only automatically asserts when dividing by 0\n require(b > 0);\n uint256 c = a / b;\n // assert(a == b * c + a % b); // There is no case in which this doesn't hold\n\n return c;\n }\n\n /**\n * @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).\n */\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b <= a);\n uint256 c = a - b;\n\n return c;\n }\n\n /**\n * @dev Adds two unsigned integers, reverts on overflow.\n */\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\n uint256 c = a + b;\n require(c >= a);\n\n return c;\n }\n\n /**\n * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),\n * reverts when dividing by zero.\n */\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\n require(b != 0);\n return a % b;\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "exportedSymbols": { "SafeMath": [ 15919 ] }, "id": 15920, "nodeType": "SourceUnit", "nodes": [ { "id": 15793, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:67" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "library", "documentation": "@title SafeMath\n@dev Unsigned math operations with safety checks that revert on error", "fullyImplemented": true, "id": 15919, "linearizedBaseContracts": [ 15919 ], 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