{ "contractName": "Roles", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.5.12+commit.7709ece9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Library for managing addresses assigned to a Role.\",\"methods\":{},\"title\":\"Roles\"},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/access/Roles.sol\":\"Roles\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Roles.sol\":{\"keccak256\":\"0xb002c378d7b82a101bd659c341518953ca0919d342c0a400196982c0e7e7bcdb\",\"urls\":[\"bzz-raw://00a788c4631466c220b385bdd100c571d24b2deccd657615cfbcef6cadf669a4\",\"dweb:/ipfs/QmTEwDbjJNxmMNCDMqtuou3dyM8Wtp8Q9NFvn7SAVM7Jf3\"]}},\"version\":1}", "bytecode": 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