Function importblindingkey

src/wallet/rpc/backup.cpp:2049–2101

}

RPCHelpMan importblindingkey()
{
    return RPCHelpMan{"importblindingkey",
                "\nImports a private blinding key in hex for a CT address.",
                {
                    {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The CT address"},
                    {"hexkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The blinding key in hex"},
                },
                RPCResult{RPCResult::Type::NONE, "", ""},
                RPCExamples{
                    HelpExampleCli("importblindingkey", "\"my blinded CT address\" <blindinghex>")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    if (!wallet) return NullUniValue;
    CWallet* const pwallet = wallet.get();

    LOCK(pwallet->cs_wallet);

    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address.");
    }
    if (!IsBlindDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Address is not confidential.");
    }

    if (!IsHex(request.params[1].get_str())) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid hexadecimal for key");
    }
    std::vector<unsigned char> keydata = ParseHex(request.params[1].get_str());
    if (keydata.size() != 32) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid hexadecimal key length");
    }

    CKey key;
    key.Set(keydata.begin(), keydata.end(), true);
    if (!key.IsValid() || key.GetPubKey() != GetDestinationBlindingKey(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Address and key do not match");
    }

    uint256 keyval;
    memcpy(keyval.begin(), &keydata[0], 32);
    if (!pwallet->AddSpecificBlindingKey(CScriptID(GetScriptForDestination(dest)), keyval)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Failed to import blinding key");
    }
    pwallet->MarkDirty();

    return NullUniValue;
},
    };
}

RPCHelpMan importmasterblindingkey()
{