Function createpsbt

src/rpc/rawtransaction.cpp:1691–1736

}

static RPCMethod createpsbt()
{
    return RPCMethod{
        "createpsbt",
        "Creates a transaction in the Partially Signed Transaction format.\n"
                "Implements the Creator role.\n"
                "Note that the transaction's inputs are not signed, and\n"
                "it is not stored in the wallet or transmitted to the network.\n",
                Cat<std::vector<RPCArg>>(
                    CreateTxDoc(),
                    {
                        {"psbt_version", RPCArg::Type::NUM, RPCArg::Default{2}, "The PSBT version number to use."},
                    }
                ),
                RPCResult{
                    RPCResult::Type::STR, "", "The resulting raw transaction (base64-encoded string)"
                },
                RPCExamples{
                    HelpExampleCli("createpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"address\\\":0.01}]\"")
                },
        [](const RPCMethod& self, const JSONRPCRequest& request) -> UniValue
{
    std::optional<bool> rbf;
    if (!request.params[3].isNull()) {
        rbf = request.params[3].get_bool();
    }
    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf, self.Arg<uint32_t>("version"));

    // Make a blank psbt
    uint32_t psbt_version = 2;
    if (!request.params[5].isNull()) {
        psbt_version = request.params[5].getInt<uint32_t>();
    }
    if (psbt_version != 2 && psbt_version != 0) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "The PSBT version can only be 2 or 0");
    }
    PartiallySignedTransaction psbtx(rawTx, psbt_version);

    // Serialize the PSBT
    DataStream ssTx{};
    ssTx << psbtx;

    return EncodeBase64(ssTx);
},
    };
}

static RPCMethod converttopsbt()
{