TESTNET_CHAIN_ID_TO_CCTP_DOMAIN Documentation for eth_defi.cctp.constants.TESTNET_CHAIN_ID_TO_CCTP_DOMAIN data. TESTNET_CHAIN_ID_TO_CCTP_DOMAIN: dict[int, int] = {84532: 6, 421614: 3, 11155111: 0} Sepolia chain IDs share the same CCTP domain IDs as their mainnet counterparts.