Function importmasterblindingkey

src/wallet/rpc/backup.cpp:2103–2143

}

RPCHelpMan importmasterblindingkey()
{
    return RPCHelpMan{"importmasterblindingkey",
                "\nImports a master private blinding key in hex for the wallet."
                "\nNote: wallets can only have one master blinding key at a time. Funds could be permanently lost if user doesn't know what they are doing. Recommended use is only for wallet recovery using this in conjunction with `sethdseed`.\n",
                {
                    {"hexkey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The blinding key in hex"},
                },
                RPCResult{RPCResult::Type::NONE, "", ""},
                RPCExamples{
                    HelpExampleCli("importmasterblindingkey", "<hexkey>")
                },
        [&](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);

    if (!IsHex(request.params[0].get_str())) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid hexadecimal for key");
    }
    std::vector<unsigned char> keydata = ParseHex(request.params[0].get_str());
    if (keydata.size() != 32) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid hexadecimal key length");
    }

    uint256 keyval;
    memcpy(keyval.begin(), &keydata[0], 32);

    if (!pwallet->SetMasterBlindingKey(keyval)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Failed to import master blinding key");
    }

    pwallet->MarkDirty();

    return NullUniValue;
},
    };
}

RPCHelpMan importissuanceblindingkey()
{