Class DescribeWalletAddressVisitor

src/wallet/rpc/addresses.cpp:410–501

class DescribeWalletAddressVisitor
{
public:
    const SigningProvider * const provider;

    void ProcessSubScript(const CScript& subscript, UniValue& obj) const
    {
        // Always present: script type and redeemscript
        std::vector<std::vector<unsigned char>> solutions_data;
        TxoutType which_type = Solver(subscript, solutions_data);
        obj.pushKV("script", GetTxnOutputType(which_type));
        obj.pushKV("hex", HexStr(subscript));

        CTxDestination embedded;
        if (ExtractDestination(subscript, embedded)) {
            // Only when the script corresponds to an address.
            UniValue subobj(UniValue::VOBJ);
            UniValue detail = DescribeAddress(embedded);
            subobj.pushKVs(detail);
            UniValue wallet_detail = std::visit(*this, embedded);
            subobj.pushKVs(wallet_detail);
            subobj.pushKV("address", EncodeDestination(embedded));
            subobj.pushKV("scriptPubKey", HexStr(subscript));
            // Always report the pubkey at the top level, so that `getnewaddress()['pubkey']` always works.
            if (subobj.exists("pubkey")) obj.pushKV("pubkey", subobj["pubkey"]);
            obj.pushKV("embedded", std::move(subobj));
        } else if (which_type == TxoutType::MULTISIG) {
            // Also report some information on multisig scripts (which do not have a corresponding address).
            obj.pushKV("sigsrequired", solutions_data[0][0]);
            UniValue pubkeys(UniValue::VARR);
            for (size_t i = 1; i < solutions_data.size() - 1; ++i) {
                CPubKey key(solutions_data[i].begin(), solutions_data[i].end());
                pubkeys.push_back(HexStr(key));
            }
            obj.pushKV("pubkeys", std::move(pubkeys));
        }
    }

    explicit DescribeWalletAddressVisitor(const SigningProvider* _provider) : provider(_provider) {}

    UniValue operator()(const CNoDestination& dest) const { return UniValue(UniValue::VOBJ); }

    UniValue operator()(const PKHash& pkhash) const
    {
        CKeyID keyID{ToKeyID(pkhash)};
        UniValue obj(UniValue::VOBJ);
        CPubKey vchPubKey;
        if (provider && provider->GetPubKey(keyID, vchPubKey)) {
            obj.pushKV("pubkey", HexStr(vchPubKey));
            obj.pushKV("iscompressed", vchPubKey.IsCompressed());
        }
        return obj;
    }

    UniValue operator()(const ScriptHash& scripthash) const
    {
        CScriptID scriptID(scripthash);
        UniValue obj(UniValue::VOBJ);