Class DestinationEncoder

src/key_io.cpp:24–143

namespace
{
class DestinationEncoder
{
private:
    const CChainParams& m_params;
    // ELEMENTS:
    const bool for_parent;

public:
    explicit DestinationEncoder(const CChainParams& params, const bool for_parent) : m_params(params), for_parent(for_parent) {}

    std::string operator()(const PKHash& id) const
    {
        if (id.blinding_pubkey.IsFullyValid()) {
            std::vector<unsigned char> data = m_params.Base58Prefix(CChainParams::BLINDED_ADDRESS);
            // Blinded addresses have the actual address type prefix inside the payload.
            std::vector<unsigned char> prefix = m_params.Base58Prefix(CChainParams::PUBKEY_ADDRESS);
            data.insert(data.end(), prefix.begin(), prefix.end());
            data.insert(data.end(), id.blinding_pubkey.begin(), id.blinding_pubkey.end());
            data.insert(data.end(), id.begin(), id.end());
            return EncodeBase58Check(data);
        }

        CChainParams::Base58Type type = for_parent ? CChainParams::PARENT_PUBKEY_ADDRESS : CChainParams::PUBKEY_ADDRESS;
        std::vector<unsigned char> data = m_params.Base58Prefix(type);
        data.insert(data.end(), id.begin(), id.end());
        return EncodeBase58Check(data);
    }

    std::string operator()(const ScriptHash& id) const
    {
        if (id.blinding_pubkey.IsFullyValid()) {
            std::vector<unsigned char> data = m_params.Base58Prefix(CChainParams::BLINDED_ADDRESS);
            // Blinded addresses have the actual address type prefix inside the payload.
            std::vector<unsigned char> prefix = m_params.Base58Prefix(CChainParams::SCRIPT_ADDRESS);
            data.insert(data.end(), prefix.begin(), prefix.end());
            data.insert(data.end(), id.blinding_pubkey.begin(), id.blinding_pubkey.end());
            data.insert(data.end(), id.begin(), id.end());
            return EncodeBase58Check(data);
        }

        CChainParams::Base58Type type = for_parent ? CChainParams::PARENT_SCRIPT_ADDRESS : CChainParams::SCRIPT_ADDRESS;
        std::vector<unsigned char> data = m_params.Base58Prefix(type);
        data.insert(data.end(), id.begin(), id.end());
        return EncodeBase58Check(data);
    }

    std::string operator()(const WitnessV0KeyHash& id) const
    {
        std::vector<unsigned char> data = {0};
        data.reserve(53);
        if (id.blinding_pubkey.IsFullyValid()) {
            std::vector<unsigned char> bytes(id.blinding_pubkey.begin(), id.blinding_pubkey.end());
            bytes.insert(bytes.end(), id.begin(), id.end());
            ConvertBits<8, 5, true>([&](unsigned char c) { data.push_back(c); }, bytes.begin(), bytes.end());
            const std::string& hrp = for_parent ? m_params.ParentBlech32HRP() : m_params.Blech32HRP();
            return blech32::Encode(blech32::Encoding::BLECH32, hrp, data);
        }