arc_dx

{ "contractName": "SafeMath", "abi": [], "bytecode": "0x604c602c600b82828239805160001a60731460008114601c57601e565bfe5b5030600052607381538281f30073000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820a7682b907fe2653998f8a00e5c08803cbc4350476bffa4ae6d68d12b072b52660029", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fd00a165627a7a72305820a7682b907fe2653998f8a00e5c08803cbc4350476bffa4ae6d68d12b072b52660029", "sourceMap": "117:1251:54:-;;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": "117:1251:54:-;;;;;;;;", "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) 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