CHAIN constant
Implementation
static const Map<int, String> CHAIN = {
1: 'ETH_MAINNET',
5: 'ETH_TEST_GOERLI',
137: 'POLYGON_MAINNET',
80001: 'POLYGON_TEST_MUMBAI',
56: 'BSC_MAINNET',
97: 'BSC_TESTNET',
10: 'OPTIMISM_MAINNET',
420: 'OPTIMISM_TESTNET',
1442: 'POLYGON_ZK_EVM_TESTNET',
1101: 'POLYGON_ZK_EVM_MAINNET',
};