Function updatepsbtpegin

src/rpc/rawtransaction.cpp:3280–3379

}

static RPCHelpMan updatepsbtpegin()
{
    return RPCHelpMan{"updatepsbtpegin",
            "\nFill in Peg-in input data for a particular input in a PSBT. Data is filled if provided.\n",
            {
                {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,"The elements PSBT to update"},
                {"input", RPCArg::Type::NUM, RPCArg::Optional::NO, "The index of the input to update"},
                {"value", RPCArg::Type::AMOUNT, RPCArg::Optional::OMITTED, "The value of the peg-in"},
                {"bitcoin_tx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "The raw bitcoin transaction (in hex) depositing bitcoin to the mainchain_address generated by getpeginaddress"},
                {"txout_proof", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A rawtxoutproof (in hex) generated by the mainchain daemon'sgettxoutproof containing a proof of only bitcoin_tx"},
                {"claim_script", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "The witness program generated by getpeginaddress."},
                {"genesis_hash", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "The hash of the genesis block of the chain the bitcoin_tx is in"},
            },
            RPCResult{
                RPCResult::Type::STR, "", "The resulting raw transaction (base64-encoded string)"
            },
            RPCExamples{
                HelpExampleCli("updatepsbtpegin", "psbt 0")
            },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    if (!g_con_elementsmode)
        throw std::runtime_error("PSBT operations are disabled when not in elementsmode.\n");

    RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VNUM, UniValueType(), UniValue::VSTR, UniValue::VSTR, UniValue::VSTR, UniValue::VSTR}, true);

    // Unserialize the transaction
    PartiallySignedTransaction psbtx;
    std::string error;
    if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
    }

    // Get the input to update
    int input_index = request.params[1].get_int();
    PSBTInput& input = psbtx.inputs[input_index];

    // Peg-in value
    if (!request.params[2].isNull()) {
        CAmount value = AmountFromValue(request.params[2]);
        input.m_peg_in_value = value;
    }

    // Peg-in tx
    if (!request.params[3].isNull()) {
        const std::vector<unsigned char> tx_data = ParseHex(request.params[3].get_str());
        CDataStream ss_tx(tx_data, SER_NETWORK, PROTOCOL_VERSION);
        try {
            if (Params().GetConsensus().ParentChainHasPow()) {
                Sidechain::Bitcoin::CTransactionRef tx;
                ss_tx >> tx;
                input.m_peg_in_tx = tx;
            } else {
                CTransactionRef tx;
                ss_tx >> tx;
                input.m_peg_in_tx = tx;
            }
        } catch (...) {