{ "contractName": "Initializable", "abi": [], "bytecode": "0x6080604052348015600f57600080fd5b50603580601d6000396000f3006080604052600080fd00a165627a7a72305820af7649efdd315f4bbca0c63cc8a28edba073e9fde4147f462aec238f8f7f13f10029", "deployedBytecode": "0x6080604052600080fd00a165627a7a72305820af7649efdd315f4bbca0c63cc8a28edba073e9fde4147f462aec238f8f7f13f10029", "sourceMap": "657:1266:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;657:1266:0;;;;;;;", "deployedSourceMap": "657:1266:0:-;;;;;", "source": "pragma solidity >=0.4.24 <0.6.0;\n\n\n/**\n * @title Initializable\n *\n * @dev Helper contract to support initializer functions. To use it, replace\n * the constructor with a function that has the `initializer` modifier.\n * WARNING: Unlike constructors, initializer functions must be manually\n * invoked. This applies both to deploying an Initializable contract, as well\n * as extending an Initializable contract via inheritance.\n * WARNING: When used with inheritance, manual care must be taken to not invoke\n * a parent initializer twice, or ensure that all initializers are idempotent,\n * because this is not dealt with automatically as with constructors.\n */\ncontract Initializable {\n\n /**\n * @dev Indicates that the contract has been initialized.\n */\n bool private initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private initializing;\n\n /**\n * @dev Modifier to use in the initializer function of a contract.\n */\n modifier initializer() {\n require(initializing || isConstructor() || !initialized, \"Contract instance has already been initialized\");\n\n bool wasInitializing = initializing;\n initializing = true;\n initialized = true;\n\n _;\n\n initializing = wasInitializing;\n }\n\n /// @dev Returns true if and only if the function is running in the constructor\n function isConstructor() private view returns (bool) {\n // extcodesize checks the size of the code stored in an address, and\n // address returns the current address. 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