Function ChainTypeFromString

src/util/chaintype.cpp:29–44

}

std::optional<ChainType> ChainTypeFromString(std::string_view chain)
{
    if (chain == "main") {
        return ChainType::MAIN;
    } else if (chain == "test") {
        return ChainType::TESTNET;
    } else if (chain == "testnet4") {
        return ChainType::TESTNET4;
    } else if (chain == "signet") {
        return ChainType::SIGNET;
    } else if (chain == "regtest") {
        return ChainType::REGTEST;
    } else {
        return std::nullopt;
    }
}