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"source": "pragma solidity ^0.5.0;\n\nimport './ownership/Ownable.sol';\n\n/**\n * @dev Truffle migrations manager.\n */\ncontract Migrations is\n Ownable\n{\n uint public lastCompletedMigration;\n\n /**\n * @dev Contract constructor.\n */\n constructor()\n public\n {\n owner = msg.sender;\n }\n\n /**\n * @dev Sets migration state.\n * @param _completed Last completed migration number.\n */\n function setCompleted(\n uint _completed\n )\n public\n onlyOwner()\n {\n lastCompletedMigration = _completed;\n }\n\n /**\n * @dev Permorms migration.\n * @param _addr New migration address.\n */\n function upgrade(\n address _addr\n )\n public\n onlyOwner()\n {\n Migrations upgraded = Migrations(_addr);\n upgraded.setCompleted(lastCompletedMigration);\n }\n\n}\n", "sourcePath": "/Users/tilmandrerup/Desktop/airtime/github/elliptic-curve-solidity/contracts/Migrations.sol", "ast": { "absolutePath": "/Users/tilmandrerup/Desktop/airtime/github/elliptic-curve-solidity/contracts/Migrations.sol", 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