ConfigGetter Library

library ConfigGetter {    address private constant configAddress3 = 0xE5815818725864aDaA790Eb491251758f5f225b5; // Ropsten    address private constant configAddress4 = 0x341B20B900dB27EC08e31D8aD96371A91fe9Bda6; // Rinkeby    address private constant configAddress80001 = 0xCAe716f8878BB6A0abC80A7b0eF48C6A5A02b312; // Matic Mumbai    address private constant configAddress421611 = 0xeD9062Bb8B80FAeF802E705191952Dc931f98F8d; // Arbitrum testnet

    address private constant configAddress1 = 0xC320E591c9AA1b0cE3eAf7c009209A19194cfC88; // Ethereum mainnet    address private constant configAddress137 = 0x80f13794e532359A991bdcfe86d839837ef1908B; // Matic mainnet    address private constant configAddress42161 = 0xC320E591c9AA1b0cE3eAf7c009209A19194cfC88; // Arbitrum mainnet
    function getConfigAddress() internal pure returns (address) {        uint256 chainId = getChainId();        // First check if there's a config address for this network        if (chainId == 3) {            return configAddress3;        }        if (chainId == 4) {            return configAddress4;        }        if (chainId == 80001) {            return configAddress80001;        }        if (chainId == 421611) {            return configAddress421611;        }        if (chainId == 42161) {            return configAddress42161;        }        if (chainId == 137) {            return configAddress137;        }        if (chainId == 1) {            return configAddress1;        }        return address(0); // Return empty address if no config is deployed in this network    }
    function getChainId() internal pure returns (uint256 chainId) {        assembly {            chainId := chainid()        }    }}

Usage

function getConfigAddress() internal pure returns (address) {            return ConfigGetter.getConfigAddress();}
function getExchangeConfig() private pure returns (IExchangesConfigModule) {            address configAddress = getConfigAddress();     require(configAddress != address(0), "Config module not deployed in this network");     return (IExchangesConfigModule(configAddress));}
function getAvailableExchanges() internal view returns (bytes32[] memory) {     IExchangesConfigModule exchangesConfig = getExchangeConfig();       uint256 chainId = ConfigGetter.getChainId();        return exchangesConfig.getNetworkExchanges(chainId);}

interface IExchangesConfigModule {    struct Exchanges {        mapping(bytes32 => address) exchangeAdapterAddress;        EnumerableBytes32Set.Bytes32Set exchangesList;    }    struct State {        mapping(uint256 => Exchanges) networkExchanges; //networkId => Exchanges    }
    function setExchangeAdapterAddress(        uint256 _networkId,        bytes32 _exchangeId,        address _adapterAddress    ) external;
    function getNetworkExchangeAdapterAddress(uint256 _networkId, bytes32 _exchangeId) external view returns (address);
    function getNetworkExchanges(uint256 networkId) external view returns (bytes32[] memory);
    function removeNetworkExchangeAdapter(uint256 _networkId, bytes32 _exchangeId) external;}