diff --git a/src/node/transaction.h b/src/node/transaction.h
index 098429597..2f88e716a 100644
--- a/src/node/transaction.h
+++ b/src/node/transaction.h
@@ -1,41 +1,51 @@
 // Copyright (c) 2017-2019 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_NODE_TRANSACTION_H
 #define BITCOIN_NODE_TRANSACTION_H
 
 #include <attributes.h>
+#include <feerate.h>
 #include <primitives/transaction.h>
 #include <util/error.h>
 
 class Config;
 struct NodeContext;
 struct TxId;
 
+/**
+ * Maximum fee rate for sendrawtransaction and testmempoolaccept RPC calls.
+ * Also used by the GUI when broadcasting a completed PSBT.
+ * By default, a transaction with a fee rate higher than this will be rejected
+ * by these RPCs and the GUI. This can be overridden with the maxfeerate
+ * argument.
+ */
+static const CFeeRate DEFAULT_MAX_RAW_TX_FEE_RATE{COIN / 10};
+
 /**
  * Submit a transaction to the mempool and (optionally) relay it to all P2P
  * peers.
  *
  * Mempool submission can be synchronous (will await mempool entry notification
  * over the CValidationInterface) or asynchronous (will submit and not wait for
  * notification), depending on the value of wait_callback. wait_callback MUST
  * NOT be set while cs_main, cs_mempool or cs_wallet are held to avoid
  * deadlock.
  *
  * @param[in]  node reference to node context
  * @param[in]  tx the transaction to broadcast
  * @param[out] &err_string reference to std::string to fill with error string
  * if available
  * @param[in]  max_tx_fee reject txs with fees higher than this (if 0, accept
  * any fee)
  * @param[in]  relay flag if both mempool insertion and p2p relay are requested
  * @param[in]  wait_callback, wait until callbacks have been processed to avoid
  * stale result due to a sequentially RPC.
  * @return error
  */
 NODISCARD TransactionError BroadcastTransaction(
     NodeContext &node, const Config &config, CTransactionRef tx,
     std::string &err_string, Amount max_tx_fee, bool relay, bool wait_callback);
 
 #endif // BITCOIN_NODE_TRANSACTION_H
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 410c2c1f8..1e921ac9a 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1,2027 +1,2020 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <blockdb.h>
 #include <chain.h>
 #include <chainparams.h>
 #include <coins.h>
 #include <config.h>
 #include <consensus/validation.h>
 #include <core_io.h>
 #include <index/txindex.h>
 #include <key_io.h>
 #include <merkleblock.h>
 #include <node/coin.h>
 #include <node/context.h>
 #include <node/psbt.h>
 #include <node/transaction.h>
 #include <policy/policy.h>
 #include <primitives/transaction.h>
 #include <psbt.h>
 #include <random.h>
 #include <rpc/blockchain.h>
 #include <rpc/rawtransaction_util.h>
 #include <rpc/server.h>
 #include <rpc/util.h>
 #include <script/script.h>
 #include <script/sign.h>
 #include <script/signingprovider.h>
 #include <script/standard.h>
 #include <txmempool.h>
 #include <uint256.h>
 #include <util/error.h>
 #include <util/moneystr.h>
 #include <util/strencodings.h>
 #include <validation.h>
 #include <validationinterface.h>
 
 #include <cstdint>
 #include <numeric>
 
 #include <univalue.h>
 
-/**
- * Maximum fee rate for sendrawtransaction and testmempoolaccept.
- * By default, a transaction with a fee rate higher than this will be rejected
- * by the RPCs. This can be overridden with the maxfeerate argument.
- */
-static const CFeeRate DEFAULT_MAX_RAW_TX_FEE_RATE{COIN / 10};
-
 static void TxToJSON(const CTransaction &tx, const BlockHash &hashBlock,
                      UniValue &entry) {
     // Call into TxToUniv() in bitcoin-common to decode the transaction hex.
     //
     // Blockchain contextual information (confirmations and blocktime) is not
     // available to code in bitcoin-common, so we query them here and push the
     // data into the returned UniValue.
     TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags());
 
     if (!hashBlock.IsNull()) {
         LOCK(cs_main);
 
         entry.pushKV("blockhash", hashBlock.GetHex());
         CBlockIndex *pindex = LookupBlockIndex(hashBlock);
         if (pindex) {
             if (::ChainActive().Contains(pindex)) {
                 entry.pushKV("confirmations",
                              1 + ::ChainActive().Height() - pindex->nHeight);
                 entry.pushKV("time", pindex->GetBlockTime());
                 entry.pushKV("blocktime", pindex->GetBlockTime());
             } else {
                 entry.pushKV("confirmations", 0);
             }
         }
     }
 }
 
 static UniValue getrawtransaction(const Config &config,
                                   const JSONRPCRequest &request) {
     RPCHelpMan{
         "getrawtransaction",
         "By default this function only works for mempool transactions. When "
         "called with a blockhash\n"
         "argument, getrawtransaction will return the transaction if the "
         "specified block is available and\n"
         "the transaction is found in that block. When called without a "
         "blockhash argument, getrawtransaction\n"
         "will return the transaction if it is in the mempool, or if -txindex "
         "is enabled and the transaction\n"
         "is in a block in the blockchain.\n"
 
         "\nReturn the raw transaction data.\n"
         "\nIf verbose is 'true', returns an Object with information about "
         "'txid'.\n"
         "If verbose is 'false' or omitted, returns a string that is "
         "serialized, hex-encoded data for 'txid'.\n",
         {
             {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The transaction id"},
             {"verbose", RPCArg::Type::BOOL, /* default */ "false",
              "If false, return a string, otherwise return a json object"},
             {"blockhash", RPCArg::Type::STR_HEX,
              RPCArg::Optional::OMITTED_NAMED_ARG,
              "The block in which to look for the transaction"},
         },
         {
             RPCResult{"if verbose is not set or set to false",
                       "\"data\"      (string) The serialized, hex-encoded data "
                       "for 'txid'\n"},
             RPCResult{
                 "if verbose is set to true",
                 "{\n"
                 "  \"in_active_chain\": b, (bool) Whether specified block is "
                 "in the active chain or not (only present with explicit "
                 "\"blockhash\" argument)\n"
                 "  \"hex\" : \"data\",       (string) The serialized, "
                 "hex-encoded data for 'txid'\n"
                 "  \"txid\" : \"id\",        (string) The transaction id (same "
                 "as provided)\n"
                 "  \"hash\" : \"id\",        (string) The transaction hash "
                 "(differs from txid for witness transactions)\n"
                 "  \"size\" : n,             (numeric) The serialized "
                 "transaction size\n"
                 "  \"version\" : n,          (numeric) The version\n"
                 "  \"locktime\" : ttt,       (numeric) The lock time\n"
                 "  \"vin\" : [               (array of json objects)\n"
                 "     {\n"
                 "       \"txid\": \"id\",    (string) The transaction id\n"
                 "       \"vout\": n,         (numeric) \n"
                 "       \"scriptSig\": {     (json object) The script\n"
                 "         \"asm\": \"asm\",  (string) asm\n"
                 "         \"hex\": \"hex\"   (string) hex\n"
                 "       },\n"
                 "       \"sequence\": n      (numeric) The script sequence "
                 "number\n"
                 "     }\n"
                 "     ,...\n"
                 "  ],\n"
                 "  \"vout\" : [              (array of json objects)\n"
                 "     {\n"
                 "       \"value\" : x.xxx,            (numeric) The value in " +
                     CURRENCY_UNIT +
                     "\n"
                     "       \"n\" : n,                    (numeric) index\n"
                     "       \"scriptPubKey\" : {          (json object)\n"
                     "         \"asm\" : \"asm\",          (string) the asm\n"
                     "         \"hex\" : \"hex\",          (string) the hex\n"
                     "         \"reqSigs\" : n,            (numeric) The "
                     "required sigs\n"
                     "         \"type\" : \"pubkeyhash\",  (string) The type, "
                     "eg 'pubkeyhash'\n"
                     "         \"addresses\" : [           (json array of "
                     "string)\n"
                     "           \"address\"        (string) bitcoin address\n"
                     "           ,...\n"
                     "         ]\n"
                     "       }\n"
                     "     }\n"
                     "     ,...\n"
                     "  ],\n"
                     "  \"blockhash\" : \"hash\",   (string) the block hash\n"
                     "  \"confirmations\" : n,      (numeric) The "
                     "confirmations\n"
                     "  \"blocktime\" : ttt         (numeric) The block time "
                     "expressed in " +
                     UNIX_EPOCH_TIME +
                     "\n"
                     "  \"time\" : ttt,             (numeric) Same as "
                     "\"blocktime\"\n"
                     "}\n"},
         },
         RPCExamples{HelpExampleCli("getrawtransaction", "\"mytxid\"") +
                     HelpExampleCli("getrawtransaction", "\"mytxid\" true") +
                     HelpExampleRpc("getrawtransaction", "\"mytxid\", true") +
                     HelpExampleCli("getrawtransaction",
                                    "\"mytxid\" false \"myblockhash\"") +
                     HelpExampleCli("getrawtransaction",
                                    "\"mytxid\" true \"myblockhash\"")},
     }
         .Check(request);
 
     bool in_active_chain = true;
     TxId txid = TxId(ParseHashV(request.params[0], "parameter 1"));
     CBlockIndex *blockindex = nullptr;
 
     const CChainParams &params = config.GetChainParams();
     if (txid == params.GenesisBlock().hashMerkleRoot) {
         // Special exception for the genesis block coinbase transaction
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                            "The genesis block coinbase is not considered an "
                            "ordinary transaction and cannot be retrieved");
     }
 
     // Accept either a bool (true) or a num (>=1) to indicate verbose output.
     bool fVerbose = false;
     if (!request.params[1].isNull()) {
         fVerbose = request.params[1].isNum()
                        ? (request.params[1].get_int() != 0)
                        : request.params[1].get_bool();
     }
 
     if (!request.params[2].isNull()) {
         LOCK(cs_main);
 
         BlockHash blockhash(ParseHashV(request.params[2], "parameter 3"));
         blockindex = LookupBlockIndex(blockhash);
         if (!blockindex) {
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                                "Block hash not found");
         }
         in_active_chain = ::ChainActive().Contains(blockindex);
     }
 
     bool f_txindex_ready = false;
     if (g_txindex && !blockindex) {
         f_txindex_ready = g_txindex->BlockUntilSyncedToCurrentChain();
     }
 
     CTransactionRef tx;
     BlockHash hash_block;
     if (!GetTransaction(txid, tx, params.GetConsensus(), hash_block,
                         blockindex)) {
         std::string errmsg;
         if (blockindex) {
             if (!blockindex->nStatus.hasData()) {
                 throw JSONRPCError(RPC_MISC_ERROR, "Block not available");
             }
             errmsg = "No such transaction found in the provided block";
         } else if (!g_txindex) {
             errmsg = "No such mempool transaction. Use -txindex to enable "
                      "blockchain transaction queries";
         } else if (!f_txindex_ready) {
             errmsg = "No such mempool transaction. Blockchain transactions are "
                      "still in the process of being indexed";
         } else {
             errmsg = "No such mempool or blockchain transaction";
         }
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                            errmsg +
                                ". Use gettransaction for wallet transactions.");
     }
 
     if (!fVerbose) {
         return EncodeHexTx(*tx, RPCSerializationFlags());
     }
 
     UniValue result(UniValue::VOBJ);
     if (blockindex) {
         result.pushKV("in_active_chain", in_active_chain);
     }
     TxToJSON(*tx, hash_block, result);
     return result;
 }
 
 static UniValue gettxoutproof(const Config &config,
                               const JSONRPCRequest &request) {
     RPCHelpMan{
         "gettxoutproof",
         "Returns a hex-encoded proof that \"txid\" was included in a block.\n"
         "\nNOTE: By default this function only works sometimes. "
         "This is when there is an\n"
         "unspent output in the utxo for this transaction. To make it always "
         "work,\n"
         "you need to maintain a transaction index, using the -txindex command "
         "line option or\n"
         "specify the block in which the transaction is included manually (by "
         "blockhash).\n",
         {
             {
                 "txids",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of txids to filter",
                 {
                     {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED,
                      "A transaction hash"},
                 },
             },
             {"blockhash", RPCArg::Type::STR_HEX,
              RPCArg::Optional::OMITTED_NAMED_ARG,
              "If specified, looks for txid in the block with this hash"},
         },
         RPCResult{"\"data\"           (string) A string that is a serialized, "
                   "hex-encoded data for the proof.\n"},
         RPCExamples{""},
     }
         .Check(request);
 
     std::set<TxId> setTxIds;
     TxId oneTxId;
     UniValue txids = request.params[0].get_array();
     for (unsigned int idx = 0; idx < txids.size(); idx++) {
         const UniValue &utxid = txids[idx];
         TxId txid(ParseHashV(utxid, "txid"));
         if (setTxIds.count(txid)) {
             throw JSONRPCError(
                 RPC_INVALID_PARAMETER,
                 std::string("Invalid parameter, duplicated txid: ") +
                     utxid.get_str());
         }
 
         setTxIds.insert(txid);
         oneTxId = txid;
     }
 
     CBlockIndex *pblockindex = nullptr;
 
     BlockHash hashBlock;
     if (!request.params[1].isNull()) {
         LOCK(cs_main);
         hashBlock = BlockHash(ParseHashV(request.params[1], "blockhash"));
         pblockindex = LookupBlockIndex(hashBlock);
         if (!pblockindex) {
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
         }
     } else {
         LOCK(cs_main);
         // Loop through txids and try to find which block they're in. Exit loop
         // once a block is found.
         for (const auto &txid : setTxIds) {
             const Coin &coin =
                 AccessByTxid(::ChainstateActive().CoinsTip(), txid);
             if (!coin.IsSpent()) {
                 pblockindex = ::ChainActive()[coin.GetHeight()];
                 break;
             }
         }
     }
 
     // Allow txindex to catch up if we need to query it and before we acquire
     // cs_main.
     if (g_txindex && !pblockindex) {
         g_txindex->BlockUntilSyncedToCurrentChain();
     }
 
     const Consensus::Params &params = config.GetChainParams().GetConsensus();
 
     LOCK(cs_main);
 
     if (pblockindex == nullptr) {
         CTransactionRef tx;
         if (!GetTransaction(oneTxId, tx, params, hashBlock) ||
             hashBlock.IsNull()) {
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                                "Transaction not yet in block");
         }
 
         pblockindex = LookupBlockIndex(hashBlock);
         if (!pblockindex) {
             throw JSONRPCError(RPC_INTERNAL_ERROR, "Transaction index corrupt");
         }
     }
 
     CBlock block;
     if (!ReadBlockFromDisk(block, pblockindex, params)) {
         throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
     }
 
     unsigned int ntxFound = 0;
     for (const auto &tx : block.vtx) {
         if (setTxIds.count(tx->GetId())) {
             ntxFound++;
         }
     }
 
     if (ntxFound != setTxIds.size()) {
         throw JSONRPCError(
             RPC_INVALID_ADDRESS_OR_KEY,
             "Not all transactions found in specified or retrieved block");
     }
 
     CDataStream ssMB(SER_NETWORK, PROTOCOL_VERSION);
     CMerkleBlock mb(block, setTxIds);
     ssMB << mb;
     std::string strHex = HexStr(ssMB.begin(), ssMB.end());
     return strHex;
 }
 
 static UniValue verifytxoutproof(const Config &config,
                                  const JSONRPCRequest &request) {
     RPCHelpMan{
         "verifytxoutproof",
         "Verifies that a proof points to a transaction in a block, returning "
         "the transaction it commits to\n"
         "and throwing an RPC error if the block is not in our best chain\n",
         {
             {"proof", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The hex-encoded proof generated by gettxoutproof"},
         },
         RPCResult{
             "[\"txid\"]      (array, strings) The txid(s) which the proof "
             "commits to, or empty array if the proof can not be validated.\n"},
         RPCExamples{""},
     }
         .Check(request);
 
     CDataStream ssMB(ParseHexV(request.params[0], "proof"), SER_NETWORK,
                      PROTOCOL_VERSION);
     CMerkleBlock merkleBlock;
     ssMB >> merkleBlock;
 
     UniValue res(UniValue::VARR);
 
     std::vector<uint256> vMatch;
     std::vector<size_t> vIndex;
     if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) !=
         merkleBlock.header.hashMerkleRoot) {
         return res;
     }
 
     LOCK(cs_main);
 
     const CBlockIndex *pindex = LookupBlockIndex(merkleBlock.header.GetHash());
     if (!pindex || !::ChainActive().Contains(pindex) || pindex->nTx == 0) {
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                            "Block not found in chain");
     }
 
     // Check if proof is valid, only add results if so
     if (pindex->nTx == merkleBlock.txn.GetNumTransactions()) {
         for (const uint256 &hash : vMatch) {
             res.push_back(hash.GetHex());
         }
     }
 
     return res;
 }
 
 static UniValue createrawtransaction(const Config &config,
                                      const JSONRPCRequest &request) {
     RPCHelpMan{
         "createrawtransaction",
         "Create a transaction spending the given inputs and creating new "
         "outputs.\n"
         "Outputs can be addresses or data.\n"
         "Returns hex-encoded raw transaction.\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",
         {
             {
                 "inputs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of json objects",
                 {
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"txid", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO, "The transaction id"},
                             {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO,
                              "The output number"},
                             {"sequence", RPCArg::Type::NUM, /* default */
                              "depends on the value of the 'locktime' argument",
                              "The sequence number"},
                         },
                     },
                 },
             },
             {
                 "outputs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "a json array with outputs (key-value pairs), where none of "
                 "the keys are duplicated.\n"
                 "That is, each address can only appear once and there can only "
                 "be one 'data' object.\n"
                 "For compatibility reasons, a dictionary, which holds the "
                 "key-value pairs directly, is also\n"
                 "                             accepted as second parameter.",
                 {
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"address", RPCArg::Type::AMOUNT,
                              RPCArg::Optional::NO,
                              "A key-value pair. The key (string) is the "
                              "bitcoin address, the value (float or string) is "
                              "the amount in " +
                                  CURRENCY_UNIT},
                         },
                     },
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"data", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO,
                              "A key-value pair. The key must be \"data\", the "
                              "value is hex-encoded data"},
                         },
                     },
                 },
             },
             {"locktime", RPCArg::Type::NUM, /* default */ "0",
              "Raw locktime. Non-0 value also locktime-activates inputs"},
         },
         RPCResult{"\"transaction\"              (string) hex string of the "
                   "transaction\n"},
         RPCExamples{
             HelpExampleCli("createrawtransaction",
                            "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                            "\" \"[{\\\"address\\\":0.01}]\"") +
             HelpExampleCli("createrawtransaction",
                            "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                            "\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"") +
             HelpExampleRpc("createrawtransaction",
                            "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                            "\", \"[{\\\"address\\\":0.01}]\"") +
             HelpExampleRpc("createrawtransaction",
                            "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                            "\", \"[{\\\"data\\\":\\\"00010203\\\"}]\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params,
                  {UniValue::VARR,
                   UniValueType(), // ARR or OBJ, checked later
                   UniValue::VNUM},
                  true);
 
     CMutableTransaction rawTx =
         ConstructTransaction(config.GetChainParams(), request.params[0],
                              request.params[1], request.params[2]);
 
     return EncodeHexTx(CTransaction(rawTx));
 }
 
 static UniValue decoderawtransaction(const Config &config,
                                      const JSONRPCRequest &request) {
     RPCHelpMan{
         "decoderawtransaction",
         "Return a JSON object representing the serialized, hex-encoded "
         "transaction.\n",
         {
             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The transaction hex string"},
         },
         RPCResult{
             "{\n"
             "  \"txid\" : \"id\",        (string) The transaction id\n"
             "  \"hash\" : \"id\",        (string) The transaction hash "
             "(differs from txid for witness transactions)\n"
             "  \"size\" : n,             (numeric) The transaction size\n"
             "  \"version\" : n,          (numeric) The version\n"
             "  \"locktime\" : ttt,       (numeric) The lock time\n"
             "  \"vin\" : [               (array of json objects)\n"
             "     {\n"
             "       \"txid\": \"id\",    (string) The transaction id\n"
             "       \"vout\": n,         (numeric) The output number\n"
             "       \"scriptSig\": {     (json object) The script\n"
             "         \"asm\": \"asm\",  (string) asm\n"
             "         \"hex\": \"hex\"   (string) hex\n"
             "       },\n"
             "       \"sequence\": n     (numeric) The script sequence number\n"
             "     }\n"
             "     ,...\n"
             "  ],\n"
             "  \"vout\" : [             (array of json objects)\n"
             "     {\n"
             "       \"value\" : x.xxx,            (numeric) The value in " +
             CURRENCY_UNIT +
             "\n"
             "       \"n\" : n,                    (numeric) index\n"
             "       \"scriptPubKey\" : {          (json object)\n"
             "         \"asm\" : \"asm\",          (string) the asm\n"
             "         \"hex\" : \"hex\",          (string) the hex\n"
             "         \"reqSigs\" : n,            (numeric) The required sigs\n"
             "         \"type\" : \"pubkeyhash\",  (string) The type, eg "
             "'pubkeyhash'\n"
             "         \"addresses\" : [           (json array of string)\n"
             "           \"12tvKAXCxZjSmdNbao16dKXC8tRWfcF5oc\"   (string) "
             "bitcoin address\n"
             "           ,...\n"
             "         ]\n"
             "       }\n"
             "     }\n"
             "     ,...\n"
             "  ],\n"
             "}\n"},
         RPCExamples{HelpExampleCli("decoderawtransaction", "\"hexstring\"") +
                     HelpExampleRpc("decoderawtransaction", "\"hexstring\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR});
 
     CMutableTransaction mtx;
 
     if (!DecodeHexTx(mtx, request.params[0].get_str())) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
 
     UniValue result(UniValue::VOBJ);
     TxToUniv(CTransaction(std::move(mtx)), uint256(), result, false);
 
     return result;
 }
 
 static UniValue decodescript(const Config &config,
                              const JSONRPCRequest &request) {
     RPCHelpMan{
         "decodescript",
         "Decode a hex-encoded script.\n",
         {
             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "the hex-encoded script"},
         },
         RPCResult{"{\n"
                   "  \"asm\":\"asm\",   (string) Script public key\n"
                   "  \"hex\":\"hex\",   (string) hex-encoded public key\n"
                   "  \"type\":\"type\", (string) The output type\n"
                   "  \"reqSigs\": n,    (numeric) The required signatures\n"
                   "  \"addresses\": [   (json array of string)\n"
                   "     \"address\"     (string) bitcoin address\n"
                   "     ,...\n"
                   "  ],\n"
                   "  \"p2sh\",\"address\" (string) address of P2SH script "
                   "wrapping this redeem script (not returned if the script is "
                   "already a P2SH).\n"
                   "}\n"},
         RPCExamples{HelpExampleCli("decodescript", "\"hexstring\"") +
                     HelpExampleRpc("decodescript", "\"hexstring\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR});
 
     UniValue r(UniValue::VOBJ);
     CScript script;
     if (request.params[0].get_str().size() > 0) {
         std::vector<uint8_t> scriptData(
             ParseHexV(request.params[0], "argument"));
         script = CScript(scriptData.begin(), scriptData.end());
     } else {
         // Empty scripts are valid.
     }
 
     ScriptPubKeyToUniv(script, r, false);
 
     UniValue type;
     type = find_value(r, "type");
 
     if (type.isStr() && type.get_str() != "scripthash") {
         // P2SH cannot be wrapped in a P2SH. If this script is already a P2SH,
         // don't return the address for a P2SH of the P2SH.
         r.pushKV("p2sh", EncodeDestination(ScriptHash(script), config));
     }
 
     return r;
 }
 
 static UniValue combinerawtransaction(const Config &config,
                                       const JSONRPCRequest &request) {
     RPCHelpMan{
         "combinerawtransaction",
         "Combine multiple partially signed transactions into one "
         "transaction.\n"
         "The combined transaction may be another partially signed transaction "
         "or a \n"
         "fully signed transaction.",
         {
             {
                 "txs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of hex strings of partially signed "
                 "transactions",
                 {
                     {"hexstring", RPCArg::Type::STR_HEX,
                      RPCArg::Optional::OMITTED, "A transaction hash"},
                 },
             },
         },
         RPCResult{"\"hex\"            (string) The hex-encoded raw transaction "
                   "with signature(s)\n"},
         RPCExamples{HelpExampleCli("combinerawtransaction",
                                    "[\"myhex1\", \"myhex2\", \"myhex3\"]")},
     }
         .Check(request);
 
     UniValue txs = request.params[0].get_array();
     std::vector<CMutableTransaction> txVariants(txs.size());
 
     for (unsigned int idx = 0; idx < txs.size(); idx++) {
         if (!DecodeHexTx(txVariants[idx], txs[idx].get_str())) {
             throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
                                strprintf("TX decode failed for tx %d", idx));
         }
     }
 
     if (txVariants.empty()) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transactions");
     }
 
     // mergedTx will end up with all the signatures; it
     // starts as a clone of the rawtx:
     CMutableTransaction mergedTx(txVariants[0]);
 
     // Fetch previous transactions (inputs):
     CCoinsView viewDummy;
     CCoinsViewCache view(&viewDummy);
     {
         const CTxMemPool &mempool = EnsureMemPool(request.context);
         LOCK(cs_main);
         LOCK(mempool.cs);
         CCoinsViewCache &viewChain = ::ChainstateActive().CoinsTip();
         CCoinsViewMemPool viewMempool(&viewChain, mempool);
         // temporarily switch cache backend to db+mempool view
         view.SetBackend(viewMempool);
 
         for (const CTxIn &txin : mergedTx.vin) {
             // Load entries from viewChain into view; can fail.
             view.AccessCoin(txin.prevout);
         }
 
         // switch back to avoid locking mempool for too long
         view.SetBackend(viewDummy);
     }
 
     // Use CTransaction for the constant parts of the
     // transaction to avoid rehashing.
     const CTransaction txConst(mergedTx);
     // Sign what we can:
     for (size_t i = 0; i < mergedTx.vin.size(); i++) {
         CTxIn &txin = mergedTx.vin[i];
         const Coin &coin = view.AccessCoin(txin.prevout);
         if (coin.IsSpent()) {
             throw JSONRPCError(RPC_VERIFY_ERROR,
                                "Input not found or already spent");
         }
         SignatureData sigdata;
 
         const CTxOut &txout = coin.GetTxOut();
 
         // ... and merge in other signatures:
         for (const CMutableTransaction &txv : txVariants) {
             if (txv.vin.size() > i) {
                 sigdata.MergeSignatureData(DataFromTransaction(txv, i, txout));
             }
         }
         ProduceSignature(
             DUMMY_SIGNING_PROVIDER,
             MutableTransactionSignatureCreator(&mergedTx, i, txout.nValue),
             txout.scriptPubKey, sigdata);
 
         UpdateInput(txin, sigdata);
     }
 
     return EncodeHexTx(CTransaction(mergedTx));
 }
 
 static UniValue signrawtransactionwithkey(const Config &config,
                                           const JSONRPCRequest &request) {
     RPCHelpMan{
         "signrawtransactionwithkey",
         "Sign inputs for raw transaction (serialized, hex-encoded).\n"
         "The second argument is an array of base58-encoded private\n"
         "keys that will be the only keys used to sign the transaction.\n"
         "The third optional argument (may be null) is an array of previous "
         "transaction outputs that\n"
         "this transaction depends on but may not yet be in the block chain.\n",
         {
             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The transaction hex string"},
             {
                 "privkeys",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of base58-encoded private keys for signing",
                 {
                     {"privatekey", RPCArg::Type::STR, RPCArg::Optional::OMITTED,
                      "private key in base58-encoding"},
                 },
             },
             {
                 "prevtxs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::OMITTED_NAMED_ARG,
                 "A json array of previous dependent transaction outputs",
                 {
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"txid", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO, "The transaction id"},
                             {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO,
                              "The output number"},
                             {"scriptPubKey", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO, "script key"},
                             {"redeemScript", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::OMITTED,
                              "(required for P2SH) redeem script"},
                             {"amount", RPCArg::Type::AMOUNT,
                              RPCArg::Optional::NO, "The amount spent"},
                         },
                     },
                 },
             },
             {"sighashtype", RPCArg::Type::STR, /* default */ "ALL|FORKID",
              "The signature hash type. Must be one of:\n"
              "       \"ALL|FORKID\"\n"
              "       \"NONE|FORKID\"\n"
              "       \"SINGLE|FORKID\"\n"
              "       \"ALL|FORKID|ANYONECANPAY\"\n"
              "       \"NONE|FORKID|ANYONECANPAY\"\n"
              "       \"SINGLE|FORKID|ANYONECANPAY\""},
         },
         RPCResult{
             "{\n"
             "  \"hex\" : \"value\",         (string) The hex-encoded raw "
             "transaction with signature(s)\n"
             "  \"complete\" : true|false,   (boolean) If the transaction has a "
             "complete set of signatures\n"
             "  \"errors\" : [               (json array of objects) Script "
             "verification errors (if there are any)\n"
             "    {\n"
             "      \"txid\" : \"hash\",     (string) The hash of the "
             "referenced, previous transaction\n"
             "      \"vout\" : n,            (numeric) The index of the output "
             "to spent and used as input\n"
             "      \"scriptSig\" : \"hex\", (string) The hex-encoded signature "
             "script\n"
             "      \"sequence\" : n,        (numeric) Script sequence number\n"
             "      \"error\" : \"text\"     (string) Verification or signing "
             "error related to the input\n"
             "    }\n"
             "    ,...\n"
             "  ]\n"
             "}\n"},
         RPCExamples{
             HelpExampleCli("signrawtransactionwithkey",
                            "\"myhex\" \"[\\\"key1\\\",\\\"key2\\\"]\"") +
             HelpExampleRpc("signrawtransactionwithkey",
                            "\"myhex\", \"[\\\"key1\\\",\\\"key2\\\"]\"")},
     }
         .Check(request);
 
     RPCTypeCheck(
         request.params,
         {UniValue::VSTR, UniValue::VARR, UniValue::VARR, UniValue::VSTR}, true);
 
     CMutableTransaction mtx;
     if (!DecodeHexTx(mtx, request.params[0].get_str())) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
 
     FillableSigningProvider keystore;
     const UniValue &keys = request.params[1].get_array();
     for (size_t idx = 0; idx < keys.size(); ++idx) {
         UniValue k = keys[idx];
         CKey key = DecodeSecret(k.get_str());
         if (!key.IsValid()) {
             throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY,
                                "Invalid private key");
         }
         keystore.AddKey(key);
     }
 
     // Fetch previous transactions (inputs):
     std::map<COutPoint, Coin> coins;
     for (const CTxIn &txin : mtx.vin) {
         // Create empty map entry keyed by prevout.
         coins[txin.prevout];
     }
     NodeContext &node = EnsureNodeContext(request.context);
     FindCoins(node, coins);
 
     // Parse the prevtxs array
     ParsePrevouts(request.params[2], &keystore, coins);
 
     UniValue result(UniValue::VOBJ);
     SignTransaction(mtx, &keystore, coins, request.params[3], result);
     return result;
 }
 
 static UniValue sendrawtransaction(const Config &config,
                                    const JSONRPCRequest &request) {
     RPCHelpMan{
         "sendrawtransaction",
         "Submits raw transaction (serialized, hex-encoded) to local node and "
         "network.\n"
         "\nAlso see createrawtransaction and "
         "signrawtransactionwithkey calls.\n",
         {
             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The hex string of the raw transaction"},
             {"maxfeerate", RPCArg::Type::AMOUNT,
              /* default */
              FormatMoney(DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK()),
              "Reject transactions whose fee rate is higher than the specified "
              "value, expressed in " +
                  CURRENCY_UNIT + "/kB\n"},
         },
         RPCResult{"\"hex\"             (string) The transaction hash in hex\n"},
         RPCExamples{
             "\nCreate a transaction\n" +
             HelpExampleCli(
                 "createrawtransaction",
                 "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" "
                 "\"{\\\"myaddress\\\":0.01}\"") +
             "Sign the transaction, and get back the hex\n" +
             HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") +
             "\nSend the transaction (signed hex)\n" +
             HelpExampleCli("sendrawtransaction", "\"signedhex\"") +
             "\nAs a JSON-RPC call\n" +
             HelpExampleRpc("sendrawtransaction", "\"signedhex\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {
                                      UniValue::VSTR,
                                      // NUM or BOOL, checked later
                                      UniValueType(),
                                  });
 
     // parse hex string from parameter
     CMutableTransaction mtx;
     if (!DecodeHexTx(mtx, request.params[0].get_str())) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
 
     CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
 
     CFeeRate max_raw_tx_fee_rate = DEFAULT_MAX_RAW_TX_FEE_RATE;
     // TODO: temporary migration code for old clients. Remove in v0.22
     if (request.params[1].isBool()) {
         throw JSONRPCError(RPC_INVALID_PARAMETER,
                            "Second argument must be numeric (maxfeerate) and "
                            "no longer supports a boolean. To allow a "
                            "transaction with high fees, set maxfeerate to 0.");
     } else if (!request.params[1].isNull()) {
         max_raw_tx_fee_rate = CFeeRate(AmountFromValue(request.params[1]));
     }
 
     int64_t virtual_size = GetVirtualTransactionSize(*tx);
     Amount max_raw_tx_fee = max_raw_tx_fee_rate.GetFee(virtual_size);
 
     std::string err_string;
     AssertLockNotHeld(cs_main);
     NodeContext &node = EnsureNodeContext(request.context);
     const TransactionError err = BroadcastTransaction(
         node, config, tx, err_string, max_raw_tx_fee, /*relay*/ true,
         /*wait_callback*/ true);
     if (err != TransactionError::OK) {
         throw JSONRPCTransactionError(err, err_string);
     }
 
     return tx->GetHash().GetHex();
 }
 
 static UniValue testmempoolaccept(const Config &config,
                                   const JSONRPCRequest &request) {
     RPCHelpMan{
         "testmempoolaccept",
         "Returns if raw transaction (serialized, hex-encoded) would be "
         "accepted by mempool.\n"
         "\nThis checks if the transaction violates the consensus or policy "
         "rules.\n"
         "\nSee sendrawtransaction call.\n",
         {
             {
                 "rawtxs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "An array of hex strings of raw transactions.\n"
                 "                             Length must be one for now.",
                 {
                     {"rawtx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED,
                      ""},
                 },
             },
             {"maxfeerate", RPCArg::Type::AMOUNT,
              /* default */
              FormatMoney(DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK()),
              "Reject transactions whose fee rate is higher than the specified "
              "value, expressed in " +
                  CURRENCY_UNIT + "/kB\n"},
         },
         RPCResult{
             "[                   (array) The result of the mempool acceptance "
             "test for each raw transaction in the input array.\n"
             "                            Length is exactly one for now.\n"
             " {\n"
             "  \"txid\"          (string) The transaction hash in hex\n"
             "  \"allowed\"       (boolean) If the mempool allows this tx to be "
             "inserted\n"
             "  \"reject-reason\" (string) Rejection string (only present when "
             "'allowed' is false)\n"
             " }\n"
             "]\n"},
         RPCExamples{
             "\nCreate a transaction\n" +
             HelpExampleCli(
                 "createrawtransaction",
                 "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" "
                 "\"{\\\"myaddress\\\":0.01}\"") +
             "Sign the transaction, and get back the hex\n" +
             HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") +
             "\nTest acceptance of the transaction (signed hex)\n" +
             HelpExampleCli("testmempoolaccept", "[\"signedhex\"]") +
             "\nAs a JSON-RPC call\n" +
             HelpExampleRpc("testmempoolaccept", "[\"signedhex\"]")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {
                                      UniValue::VARR,
                                      // NUM or BOOL, checked later
                                      UniValueType(),
                                  });
 
     if (request.params[0].get_array().size() != 1) {
         throw JSONRPCError(
             RPC_INVALID_PARAMETER,
             "Array must contain exactly one raw transaction for now");
     }
 
     CMutableTransaction mtx;
     if (!DecodeHexTx(mtx, request.params[0].get_array()[0].get_str())) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
     CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
     const TxId &txid = tx->GetId();
 
     CFeeRate max_raw_tx_fee_rate = DEFAULT_MAX_RAW_TX_FEE_RATE;
     // TODO: temporary migration code for old clients. Remove in v0.22
     if (request.params[1].isBool()) {
         throw JSONRPCError(RPC_INVALID_PARAMETER,
                            "Second argument must be numeric (maxfeerate) and "
                            "no longer supports a boolean. To allow a "
                            "transaction with high fees, set maxfeerate to 0.");
     } else if (!request.params[1].isNull()) {
         max_raw_tx_fee_rate = CFeeRate(AmountFromValue(request.params[1]));
     }
 
     CTxMemPool &mempool = EnsureMemPool(request.context);
     int64_t virtual_size = GetVirtualTransactionSize(*tx);
     Amount max_raw_tx_fee = max_raw_tx_fee_rate.GetFee(virtual_size);
 
     UniValue result(UniValue::VARR);
     UniValue result_0(UniValue::VOBJ);
     result_0.pushKV("txid", txid.GetHex());
 
     TxValidationState state;
     bool test_accept_res;
     {
         LOCK(cs_main);
         test_accept_res = AcceptToMemoryPool(
             config, mempool, state, std::move(tx), false /* bypass_limits */,
             max_raw_tx_fee, true /* test_accept */);
     }
     result_0.pushKV("allowed", test_accept_res);
     if (!test_accept_res) {
         if (state.IsInvalid()) {
             if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS) {
                 result_0.pushKV("reject-reason", "missing-inputs");
             } else {
                 result_0.pushKV("reject-reason",
                                 strprintf("%i: %s", state.GetRejectCode(),
                                           state.GetRejectReason()));
             }
         } else {
             result_0.pushKV("reject-reason", state.GetRejectReason());
         }
     }
 
     result.push_back(std::move(result_0));
     return result;
 }
 
 static std::string WriteHDKeypath(std::vector<uint32_t> &keypath) {
     std::string keypath_str = "m";
     for (uint32_t num : keypath) {
         keypath_str += "/";
         bool hardened = false;
         if (num & 0x80000000) {
             hardened = true;
             num &= ~0x80000000;
         }
 
         keypath_str += std::to_string(num);
         if (hardened) {
             keypath_str += "'";
         }
     }
     return keypath_str;
 }
 
 static UniValue decodepsbt(const Config &config,
                            const JSONRPCRequest &request) {
     RPCHelpMan{
         "decodepsbt",
         "Return a JSON object representing the serialized, base64-encoded "
         "partially signed Bitcoin transaction.\n",
         {
             {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,
              "The PSBT base64 string"},
         },
         RPCResult{
             "{\n"
             "  \"tx\" : {                   (json object) The decoded "
             "network-serialized unsigned transaction.\n"
             "    ...                                      The layout is the "
             "same as the output of decoderawtransaction.\n"
             "  },\n"
             "  \"unknown\" : {                (json object) The unknown global "
             "fields\n"
             "    \"key\" : \"value\"            (key-value pair) An unknown "
             "key-value pair\n"
             "     ...\n"
             "  },\n"
             "  \"inputs\" : [                 (array of json objects)\n"
             "    {\n"
             "      \"utxo\" : {            (json object, optional) Transaction "
             "output for UTXOs\n"
             "        \"amount\" : x.xxx,           (numeric) The value in " +
             CURRENCY_UNIT +
             "\n"
             "        \"scriptPubKey\" : {          (json object)\n"
             "          \"asm\" : \"asm\",            (string) The asm\n"
             "          \"hex\" : \"hex\",            (string) The hex\n"
             "          \"type\" : \"pubkeyhash\",    (string) The type, eg "
             "'pubkeyhash'\n"
             "          \"address\" : \"address\"     (string) Bitcoin address "
             "if there is one\n"
             "        }\n"
             "      },\n"
             "      \"partial_signatures\" : {             (json object, "
             "optional)\n"
             "        \"pubkey\" : \"signature\",           (string) The public "
             "key and signature that corresponds to it.\n"
             "        ,...\n"
             "      }\n"
             "      \"sighash\" : \"type\",                  (string, optional) "
             "The sighash type to be used\n"
             "      \"redeem_script\" : {       (json object, optional)\n"
             "          \"asm\" : \"asm\",            (string) The asm\n"
             "          \"hex\" : \"hex\",            (string) The hex\n"
             "          \"type\" : \"pubkeyhash\",    (string) The type, eg "
             "'pubkeyhash'\n"
             "        }\n"
             "      \"bip32_derivs\" : {          (json object, optional)\n"
             "        \"pubkey\" : {                     (json object, "
             "optional) The public key with the derivation path as the value.\n"
             "          \"master_fingerprint\" : \"fingerprint\"     (string) "
             "The fingerprint of the master key\n"
             "          \"path\" : \"path\",                         (string) "
             "The path\n"
             "        }\n"
             "        ,...\n"
             "      }\n"
             "      \"final_scriptsig\" : {       (json object, optional)\n"
             "          \"asm\" : \"asm\",            (string) The asm\n"
             "          \"hex\" : \"hex\",            (string) The hex\n"
             "        }\n"
             "      \"unknown\" : {                (json object) The unknown "
             "global fields\n"
             "        \"key\" : \"value\"            (key-value pair) An "
             "unknown key-value pair\n"
             "         ...\n"
             "      },\n"
             "    }\n"
             "    ,...\n"
             "  ]\n"
             "  \"outputs\" : [                 (array of json objects)\n"
             "    {\n"
             "      \"redeem_script\" : {       (json object, optional)\n"
             "          \"asm\" : \"asm\",            (string) The asm\n"
             "          \"hex\" : \"hex\",            (string) The hex\n"
             "          \"type\" : \"pubkeyhash\",    (string) The type, eg "
             "'pubkeyhash'\n"
             "        }\n"
             "      \"bip32_derivs\" : [          (array of json objects, "
             "optional)\n"
             "        {\n"
             "          \"pubkey\" : \"pubkey\",                     (string) "
             "The public key this path corresponds to\n"
             "          \"master_fingerprint\" : \"fingerprint\"     (string) "
             "The fingerprint of the master key\n"
             "          \"path\" : \"path\",                         (string) "
             "The path\n"
             "          }\n"
             "        }\n"
             "        ,...\n"
             "      ],\n"
             "      \"unknown\" : {                (json object) The unknown "
             "global fields\n"
             "        \"key\" : \"value\"            (key-value pair) An "
             "unknown key-value pair\n"
             "         ...\n"
             "      },\n"
             "    }\n"
             "    ,...\n"
             "  ]\n"
             "  \"fee\" : fee                      (numeric, optional) The "
             "transaction fee paid if all UTXOs slots in the PSBT have been "
             "filled.\n"
             "}\n"},
         RPCExamples{HelpExampleCli("decodepsbt", "\"psbt\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR});
 
     // Unserialize the transactions
     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));
     }
 
     UniValue result(UniValue::VOBJ);
 
     // Add the decoded tx
     UniValue tx_univ(UniValue::VOBJ);
     TxToUniv(CTransaction(*psbtx.tx), uint256(), tx_univ, false);
     result.pushKV("tx", tx_univ);
 
     // Unknown data
     if (psbtx.unknown.size() > 0) {
         UniValue unknowns(UniValue::VOBJ);
         for (auto entry : psbtx.unknown) {
             unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
         }
         result.pushKV("unknown", unknowns);
     }
 
     // inputs
     Amount total_in = Amount::zero();
     bool have_all_utxos = true;
     UniValue inputs(UniValue::VARR);
     for (size_t i = 0; i < psbtx.inputs.size(); ++i) {
         const PSBTInput &input = psbtx.inputs[i];
         UniValue in(UniValue::VOBJ);
         // UTXOs
         if (!input.utxo.IsNull()) {
             const CTxOut &txout = input.utxo;
 
             UniValue out(UniValue::VOBJ);
 
             out.pushKV("amount", ValueFromAmount(txout.nValue));
             total_in += txout.nValue;
 
             UniValue o(UniValue::VOBJ);
             ScriptToUniv(txout.scriptPubKey, o, true);
             out.pushKV("scriptPubKey", o);
             in.pushKV("utxo", out);
         } else {
             have_all_utxos = false;
         }
 
         // Partial sigs
         if (!input.partial_sigs.empty()) {
             UniValue partial_sigs(UniValue::VOBJ);
             for (const auto &sig : input.partial_sigs) {
                 partial_sigs.pushKV(HexStr(sig.second.first),
                                     HexStr(sig.second.second));
             }
             in.pushKV("partial_signatures", partial_sigs);
         }
 
         // Sighash
         uint8_t sighashbyte = input.sighash_type.getRawSigHashType() & 0xff;
         if (sighashbyte > 0) {
             in.pushKV("sighash", SighashToStr(sighashbyte));
         }
 
         // Redeem script
         if (!input.redeem_script.empty()) {
             UniValue r(UniValue::VOBJ);
             ScriptToUniv(input.redeem_script, r, false);
             in.pushKV("redeem_script", r);
         }
 
         // keypaths
         if (!input.hd_keypaths.empty()) {
             UniValue keypaths(UniValue::VARR);
             for (auto entry : input.hd_keypaths) {
                 UniValue keypath(UniValue::VOBJ);
                 keypath.pushKV("pubkey", HexStr(entry.first));
 
                 keypath.pushKV(
                     "master_fingerprint",
                     strprintf("%08x", ReadBE32(entry.second.fingerprint)));
                 keypath.pushKV("path", WriteHDKeypath(entry.second.path));
                 keypaths.push_back(keypath);
             }
             in.pushKV("bip32_derivs", keypaths);
         }
 
         // Final scriptSig
         if (!input.final_script_sig.empty()) {
             UniValue scriptsig(UniValue::VOBJ);
             scriptsig.pushKV("asm",
                              ScriptToAsmStr(input.final_script_sig, true));
             scriptsig.pushKV("hex", HexStr(input.final_script_sig));
             in.pushKV("final_scriptSig", scriptsig);
         }
 
         // Unknown data
         if (input.unknown.size() > 0) {
             UniValue unknowns(UniValue::VOBJ);
             for (auto entry : input.unknown) {
                 unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
             }
             in.pushKV("unknown", unknowns);
         }
 
         inputs.push_back(in);
     }
     result.pushKV("inputs", inputs);
 
     // outputs
     Amount output_value = Amount::zero();
     UniValue outputs(UniValue::VARR);
     for (size_t i = 0; i < psbtx.outputs.size(); ++i) {
         const PSBTOutput &output = psbtx.outputs[i];
         UniValue out(UniValue::VOBJ);
         // Redeem script
         if (!output.redeem_script.empty()) {
             UniValue r(UniValue::VOBJ);
             ScriptToUniv(output.redeem_script, r, false);
             out.pushKV("redeem_script", r);
         }
 
         // keypaths
         if (!output.hd_keypaths.empty()) {
             UniValue keypaths(UniValue::VARR);
             for (auto entry : output.hd_keypaths) {
                 UniValue keypath(UniValue::VOBJ);
                 keypath.pushKV("pubkey", HexStr(entry.first));
                 keypath.pushKV(
                     "master_fingerprint",
                     strprintf("%08x", ReadBE32(entry.second.fingerprint)));
                 keypath.pushKV("path", WriteHDKeypath(entry.second.path));
                 keypaths.push_back(keypath);
             }
             out.pushKV("bip32_derivs", keypaths);
         }
 
         // Unknown data
         if (output.unknown.size() > 0) {
             UniValue unknowns(UniValue::VOBJ);
             for (auto entry : output.unknown) {
                 unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
             }
             out.pushKV("unknown", unknowns);
         }
 
         outputs.push_back(out);
 
         // Fee calculation
         output_value += psbtx.tx->vout[i].nValue;
     }
     result.pushKV("outputs", outputs);
     if (have_all_utxos) {
         result.pushKV("fee", ValueFromAmount(total_in - output_value));
     }
 
     return result;
 }
 
 static UniValue combinepsbt(const Config &config,
                             const JSONRPCRequest &request) {
     RPCHelpMan{
         "combinepsbt",
         "Combine multiple partially signed Bitcoin transactions into one "
         "transaction.\n"
         "Implements the Combiner role.\n",
         {
             {
                 "txs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of base64 strings of partially signed "
                 "transactions",
                 {
                     {"psbt", RPCArg::Type::STR, RPCArg::Optional::OMITTED,
                      "A base64 string of a PSBT"},
                 },
             },
         },
         RPCResult{"  \"psbt\"          (string) The base64-encoded partially "
                   "signed transaction\n"},
         RPCExamples{HelpExampleCli(
             "combinepsbt", "[\"mybase64_1\", \"mybase64_2\", \"mybase64_3\"]")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VARR}, true);
 
     // Unserialize the transactions
     std::vector<PartiallySignedTransaction> psbtxs;
     UniValue txs = request.params[0].get_array();
     if (txs.empty()) {
         throw JSONRPCError(RPC_INVALID_PARAMETER,
                            "Parameter 'txs' cannot be empty");
     }
     for (size_t i = 0; i < txs.size(); ++i) {
         PartiallySignedTransaction psbtx;
         std::string error;
         if (!DecodeBase64PSBT(psbtx, txs[i].get_str(), error)) {
             throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
                                strprintf("TX decode failed %s", error));
         }
         psbtxs.push_back(psbtx);
     }
 
     PartiallySignedTransaction merged_psbt;
     const TransactionError error = CombinePSBTs(merged_psbt, psbtxs);
     if (error != TransactionError::OK) {
         throw JSONRPCTransactionError(error);
     }
 
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     ssTx << merged_psbt;
     return EncodeBase64((uint8_t *)ssTx.data(), ssTx.size());
 }
 
 static UniValue finalizepsbt(const Config &config,
                              const JSONRPCRequest &request) {
     RPCHelpMan{
         "finalizepsbt",
         "Finalize the inputs of a PSBT. If the transaction is fully signed, it "
         "will produce a\n"
         "network serialized transaction which can be broadcast with "
         "sendrawtransaction. Otherwise a PSBT will be\n"
         "created which has the final_scriptSigfields filled for inputs that "
         "are complete.\n"
         "Implements the Finalizer and Extractor roles.\n",
         {
             {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,
              "A base64 string of a PSBT"},
             {"extract", RPCArg::Type::BOOL, /* default */ "true",
              "If true and the transaction is complete,\n"
              "                             extract and return the complete "
              "transaction in normal network serialization instead of the "
              "PSBT."},
         },
         RPCResult{
             "{\n"
             "  \"psbt\" : \"value\",          (string) The base64-encoded "
             "partially signed transaction if not extracted\n"
             "  \"hex\" : \"value\",           (string) The hex-encoded network "
             "transaction if extracted\n"
             "  \"complete\" : true|false,   (boolean) If the transaction has a "
             "complete set of signatures\n"
             "  ]\n"
             "}\n"},
         RPCExamples{HelpExampleCli("finalizepsbt", "\"psbt\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL}, true);
 
     // Unserialize the transactions
     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));
     }
 
     bool extract = request.params[1].isNull() || (!request.params[1].isNull() &&
                                                   request.params[1].get_bool());
 
     CMutableTransaction mtx;
     bool complete = FinalizeAndExtractPSBT(psbtx, mtx);
 
     UniValue result(UniValue::VOBJ);
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     std::string result_str;
 
     if (complete && extract) {
         ssTx << mtx;
         result_str = HexStr(ssTx.str());
         result.pushKV("hex", result_str);
     } else {
         ssTx << psbtx;
         result_str = EncodeBase64(ssTx.str());
         result.pushKV("psbt", result_str);
     }
     result.pushKV("complete", complete);
 
     return result;
 }
 
 static UniValue createpsbt(const Config &config,
                            const JSONRPCRequest &request) {
     RPCHelpMan{
         "createpsbt",
         "Creates a transaction in the Partially Signed Transaction format.\n"
         "Implements the Creator role.\n",
         {
             {
                 "inputs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "A json array of json objects",
                 {
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"txid", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO, "The transaction id"},
                             {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO,
                              "The output number"},
                             {"sequence", RPCArg::Type::NUM, /* default */
                              "depends on the value of the 'locktime' argument",
                              "The sequence number"},
                         },
                     },
                 },
             },
             {
                 "outputs",
                 RPCArg::Type::ARR,
                 RPCArg::Optional::NO,
                 "a json array with outputs (key-value pairs), where none of "
                 "the keys are duplicated.\n"
                 "That is, each address can only appear once and there can only "
                 "be one 'data' object.\n"
                 "For compatibility reasons, a dictionary, which holds the "
                 "key-value pairs directly, is also\n"
                 "                             accepted as second parameter.",
                 {
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"address", RPCArg::Type::AMOUNT,
                              RPCArg::Optional::NO,
                              "A key-value pair. The key (string) is the "
                              "bitcoin address, the value (float or string) is "
                              "the amount in " +
                                  CURRENCY_UNIT},
                         },
                     },
                     {
                         "",
                         RPCArg::Type::OBJ,
                         RPCArg::Optional::OMITTED,
                         "",
                         {
                             {"data", RPCArg::Type::STR_HEX,
                              RPCArg::Optional::NO,
                              "A key-value pair. The key must be \"data\", the "
                              "value is hex-encoded data"},
                         },
                     },
                 },
             },
             {"locktime", RPCArg::Type::NUM, /* default */ "0",
              "Raw locktime. Non-0 value also locktime-activates inputs"},
         },
         RPCResult{"  \"psbt\"        (string)  The resulting raw transaction "
                   "(base64-encoded string)\n"},
         RPCExamples{HelpExampleCli(
             "createpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                           "\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params,
                  {
                      UniValue::VARR,
                      UniValueType(), // ARR or OBJ, checked later
                      UniValue::VNUM,
                  },
                  true);
 
     CMutableTransaction rawTx =
         ConstructTransaction(config.GetChainParams(), request.params[0],
                              request.params[1], request.params[2]);
 
     // Make a blank psbt
     PartiallySignedTransaction psbtx;
     psbtx.tx = rawTx;
     for (size_t i = 0; i < rawTx.vin.size(); ++i) {
         psbtx.inputs.push_back(PSBTInput());
     }
     for (size_t i = 0; i < rawTx.vout.size(); ++i) {
         psbtx.outputs.push_back(PSBTOutput());
     }
 
     // Serialize the PSBT
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     ssTx << psbtx;
 
     return EncodeBase64((uint8_t *)ssTx.data(), ssTx.size());
 }
 
 static UniValue converttopsbt(const Config &config,
                               const JSONRPCRequest &request) {
     RPCHelpMan{
         "converttopsbt",
         "Converts a network serialized transaction to a PSBT. "
         "This should be used only with createrawtransaction and "
         "fundrawtransaction\n"
         "createpsbt and walletcreatefundedpsbt should be used for new "
         "applications.\n",
         {
             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO,
              "The hex string of a raw transaction"},
             {"permitsigdata", RPCArg::Type::BOOL, /* default */ "false",
              "If true, any signatures in the input will be discarded and "
              "conversion.\n"
              "                              will continue. If false, RPC will "
              "fail if any signatures are present."},
         },
         RPCResult{"  \"psbt\"        (string)  The resulting raw "
                   "transaction (base64-encoded string)\n"},
         RPCExamples{
             "\nCreate a transaction\n" +
             HelpExampleCli("createrawtransaction",
                            "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]"
                            "\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"") +
             "\nConvert the transaction to a PSBT\n" +
             HelpExampleCli("converttopsbt", "\"rawtransaction\"")},
     }
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL}, true);
 
     // parse hex string from parameter
     CMutableTransaction tx;
     bool permitsigdata =
         request.params[1].isNull() ? false : request.params[1].get_bool();
     if (!DecodeHexTx(tx, request.params[0].get_str())) {
         throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
     }
 
     // Remove all scriptSigs from inputs
     for (CTxIn &input : tx.vin) {
         if (!input.scriptSig.empty() && !permitsigdata) {
             throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
                                "Inputs must not have scriptSigs");
         }
         input.scriptSig.clear();
     }
 
     // Make a blank psbt
     PartiallySignedTransaction psbtx;
     psbtx.tx = tx;
     for (size_t i = 0; i < tx.vin.size(); ++i) {
         psbtx.inputs.push_back(PSBTInput());
     }
     for (size_t i = 0; i < tx.vout.size(); ++i) {
         psbtx.outputs.push_back(PSBTOutput());
     }
 
     // Serialize the PSBT
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     ssTx << psbtx;
 
     return EncodeBase64((uint8_t *)ssTx.data(), ssTx.size());
 }
 
 UniValue utxoupdatepsbt(const Config &config, const JSONRPCRequest &request) {
     RPCHelpMan{
         "utxoupdatepsbt",
         "Updates all inputs and outputs in a PSBT with data from output "
         "descriptors, the UTXO set or the mempool.\n",
         {
             {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,
              "A base64 string of a PSBT"},
             {"descriptors",
              RPCArg::Type::ARR,
              RPCArg::Optional::OMITTED_NAMED_ARG,
              "An array of either strings or objects",
              {
                  {"", RPCArg::Type::STR, RPCArg::Optional::OMITTED,
                   "An output descriptor"},
                  {"",
                   RPCArg::Type::OBJ,
                   RPCArg::Optional::OMITTED,
                   "An object with an output descriptor and extra information",
                   {
                       {"desc", RPCArg::Type::STR, RPCArg::Optional::NO,
                        "An output descriptor"},
                       {"range", RPCArg::Type::RANGE, "1000",
                        "Up to what index HD chains should be explored (either "
                        "end or [begin,end])"},
                   }},
              }},
         },
         RPCResult{"  \"psbt\"          (string) The base64-encoded "
                   "partially signed transaction with inputs updated\n"},
         RPCExamples{HelpExampleCli("utxoupdatepsbt", "\"psbt\"")}}
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR}, true);
 
     // Unserialize the transactions
     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));
     }
 
     // Parse descriptors, if any.
     FlatSigningProvider provider;
     if (!request.params[1].isNull()) {
         auto descs = request.params[1].get_array();
         for (size_t i = 0; i < descs.size(); ++i) {
             EvalDescriptorStringOrObject(descs[i], provider);
         }
     }
     // We don't actually need private keys further on; hide them as a
     // precaution.
     HidingSigningProvider public_provider(&provider, /* nosign */ true,
                                           /* nobip32derivs */ false);
 
     // Fetch previous transactions (inputs):
     CCoinsView viewDummy;
     CCoinsViewCache view(&viewDummy);
     {
         const CTxMemPool &mempool = EnsureMemPool(request.context);
         LOCK2(cs_main, mempool.cs);
         CCoinsViewCache &viewChain = ::ChainstateActive().CoinsTip();
         CCoinsViewMemPool viewMempool(&viewChain, mempool);
         // temporarily switch cache backend to db+mempool view
         view.SetBackend(viewMempool);
 
         for (const CTxIn &txin : psbtx.tx->vin) {
             // Load entries from viewChain into view; can fail.
             view.AccessCoin(txin.prevout);
         }
 
         // switch back to avoid locking mempool for too long
         view.SetBackend(viewDummy);
     }
 
     // Fill the inputs
     for (size_t i = 0; i < psbtx.tx->vin.size(); ++i) {
         PSBTInput &input = psbtx.inputs.at(i);
 
         if (!input.utxo.IsNull()) {
             continue;
         }
 
         // Update script/keypath information using descriptor data.
         // Note that SignPSBTInput does a lot more than just constructing ECDSA
         // signatures we don't actually care about those here, in fact.
         SignPSBTInput(public_provider, psbtx, i,
                       /* sighash_type */ SigHashType().withForkId());
     }
 
     // Update script/keypath information using descriptor data.
     for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
         UpdatePSBTOutput(public_provider, psbtx, i);
     }
 
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     ssTx << psbtx;
     return EncodeBase64((uint8_t *)ssTx.data(), ssTx.size());
 }
 
 UniValue joinpsbts(const Config &config, const JSONRPCRequest &request) {
     RPCHelpMan{
         "joinpsbts",
         "Joins multiple distinct PSBTs with different inputs and outputs "
         "into one PSBT with inputs and outputs from all of the PSBTs\n"
         "No input in any of the PSBTs can be in more than one of the PSBTs.\n",
         {{"txs",
           RPCArg::Type::ARR,
           RPCArg::Optional::NO,
           "A json array of base64 strings of partially signed transactions",
           {{"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,
             "A base64 string of a PSBT"}}}},
         RPCResult{"  \"psbt\"          (string) The base64-encoded partially "
                   "signed transaction\n"},
         RPCExamples{HelpExampleCli("joinpsbts", "\"psbt\"")}}
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VARR}, true);
 
     // Unserialize the transactions
     std::vector<PartiallySignedTransaction> psbtxs;
     UniValue txs = request.params[0].get_array();
 
     if (txs.size() <= 1) {
         throw JSONRPCError(RPC_INVALID_PARAMETER,
                            "At least two PSBTs are required to join PSBTs.");
     }
 
     int32_t best_version = 1;
     uint32_t best_locktime = 0xffffffff;
     for (size_t i = 0; i < txs.size(); ++i) {
         PartiallySignedTransaction psbtx;
         std::string error;
         if (!DecodeBase64PSBT(psbtx, txs[i].get_str(), error)) {
             throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
                                strprintf("TX decode failed %s", error));
         }
         psbtxs.push_back(psbtx);
         // Choose the highest version number
         if (psbtx.tx->nVersion > best_version) {
             best_version = psbtx.tx->nVersion;
         }
         // Choose the lowest lock time
         if (psbtx.tx->nLockTime < best_locktime) {
             best_locktime = psbtx.tx->nLockTime;
         }
     }
 
     // Create a blank psbt where everything will be added
     PartiallySignedTransaction merged_psbt;
     merged_psbt.tx = CMutableTransaction();
     merged_psbt.tx->nVersion = best_version;
     merged_psbt.tx->nLockTime = best_locktime;
 
     // Merge
     for (auto &psbt : psbtxs) {
         for (size_t i = 0; i < psbt.tx->vin.size(); ++i) {
             if (!merged_psbt.AddInput(psbt.tx->vin[i], psbt.inputs[i])) {
                 throw JSONRPCError(
                     RPC_INVALID_PARAMETER,
                     strprintf(
                         "Input %s:%d exists in multiple PSBTs",
                         psbt.tx->vin[i].prevout.GetTxId().ToString().c_str(),
                         psbt.tx->vin[i].prevout.GetN()));
             }
         }
         for (size_t i = 0; i < psbt.tx->vout.size(); ++i) {
             merged_psbt.AddOutput(psbt.tx->vout[i], psbt.outputs[i]);
         }
         merged_psbt.unknown.insert(psbt.unknown.begin(), psbt.unknown.end());
     }
 
     // Generate list of shuffled indices for shuffling inputs and outputs of the
     // merged PSBT
     std::vector<int> input_indices(merged_psbt.inputs.size());
     std::iota(input_indices.begin(), input_indices.end(), 0);
     std::vector<int> output_indices(merged_psbt.outputs.size());
     std::iota(output_indices.begin(), output_indices.end(), 0);
 
     // Shuffle input and output indicies lists
     Shuffle(input_indices.begin(), input_indices.end(), FastRandomContext());
     Shuffle(output_indices.begin(), output_indices.end(), FastRandomContext());
 
     PartiallySignedTransaction shuffled_psbt;
     shuffled_psbt.tx = CMutableTransaction();
     shuffled_psbt.tx->nVersion = merged_psbt.tx->nVersion;
     shuffled_psbt.tx->nLockTime = merged_psbt.tx->nLockTime;
     for (int i : input_indices) {
         shuffled_psbt.AddInput(merged_psbt.tx->vin[i], merged_psbt.inputs[i]);
     }
     for (int i : output_indices) {
         shuffled_psbt.AddOutput(merged_psbt.tx->vout[i],
                                 merged_psbt.outputs[i]);
     }
     shuffled_psbt.unknown.insert(merged_psbt.unknown.begin(),
                                  merged_psbt.unknown.end());
 
     CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
     ssTx << shuffled_psbt;
     return EncodeBase64((uint8_t *)ssTx.data(), ssTx.size());
 }
 
 UniValue analyzepsbt(const Config &config, const JSONRPCRequest &request) {
     RPCHelpMan{
         "analyzepsbt",
         "Analyzes and provides information about the current status of a "
         "PSBT and its inputs\n",
         {{"psbt", RPCArg::Type::STR, RPCArg::Optional::NO,
           "A base64 string of a PSBT"}},
         RPCResult{
             "{\n"
             "  \"inputs\" : [                      (array of json objects)\n"
             "    {\n"
             "      \"has_utxo\" : true|false     (boolean) Whether a UTXO is "
             "provided\n"
             "      \"is_final\" : true|false     (boolean) Whether the input "
             "is finalized\n"
             "      \"missing\" : {               (json object, optional) "
             "Things that are missing that are required to complete this input\n"
             "        \"pubkeys\" : [             (array), optional\n"
             "          \"keyid\"                 (string) Public key ID, "
             "hash160 of the public key, of a public key whose BIP 32 "
             "derivation path is missing\n"
             "        ]\n"
             "        \"signatures\" : [          (array), optional\n"
             "          \"keyid\"                 (string) Public key ID, "
             "hash160 of the public key, of a public key whose signature is "
             "missing\n"
             "        ]\n"
             "        \"redeemscript\" : \"hash\"   (string, optional) Hash160 "
             "of the redeemScript that is missing\n"
             "      }\n"
             "      \"next\" : \"role\"           (string, optional) Role of "
             "the next person that this input needs to go to\n"
             "    }\n"
             "    ,...\n"
             "  ]\n"
             "  \"estimated_vsize\" : vsize       (numeric, optional) Estimated "
             "vsize of the final signed transaction\n"
             "  \"estimated_feerate\" : feerate   (numeric, optional) Estimated "
             "feerate of the final signed transaction in " +
             CURRENCY_UNIT +
             "/kB. Shown only if all UTXO slots in the PSBT have been filled.\n"
             "  \"fee\" : fee                     (numeric, optional) The "
             "transaction fee paid. Shown only if all UTXO slots in the PSBT "
             "have been filled.\n"
             "  \"next\" : \"role\"                 (string) Role of the next "
             "person that this psbt needs to go to\n"
             "  \"error\" : \"error\"               (string) Error message if "
             "there is one"
             "}\n"},
         RPCExamples{HelpExampleCli("analyzepsbt", "\"psbt\"")}}
         .Check(request);
 
     RPCTypeCheck(request.params, {UniValue::VSTR});
 
     // 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));
     }
 
     PSBTAnalysis psbta = AnalyzePSBT(psbtx);
 
     UniValue result(UniValue::VOBJ);
     UniValue inputs_result(UniValue::VARR);
     for (const auto &input : psbta.inputs) {
         UniValue input_univ(UniValue::VOBJ);
         UniValue missing(UniValue::VOBJ);
 
         input_univ.pushKV("has_utxo", input.has_utxo);
         input_univ.pushKV("is_final", input.is_final);
         input_univ.pushKV("next", PSBTRoleName(input.next));
 
         if (!input.missing_pubkeys.empty()) {
             UniValue missing_pubkeys_univ(UniValue::VARR);
             for (const CKeyID &pubkey : input.missing_pubkeys) {
                 missing_pubkeys_univ.push_back(HexStr(pubkey));
             }
             missing.pushKV("pubkeys", missing_pubkeys_univ);
         }
         if (!input.missing_redeem_script.IsNull()) {
             missing.pushKV("redeemscript", HexStr(input.missing_redeem_script));
         }
         if (!input.missing_sigs.empty()) {
             UniValue missing_sigs_univ(UniValue::VARR);
             for (const CKeyID &pubkey : input.missing_sigs) {
                 missing_sigs_univ.push_back(HexStr(pubkey));
             }
             missing.pushKV("signatures", missing_sigs_univ);
         }
         if (!missing.getKeys().empty()) {
             input_univ.pushKV("missing", missing);
         }
         inputs_result.push_back(input_univ);
     }
     if (!inputs_result.empty()) {
         result.pushKV("inputs", inputs_result);
     }
     if (psbta.estimated_vsize != nullopt) {
         result.pushKV("estimated_vsize", (int)*psbta.estimated_vsize);
     }
     if (psbta.estimated_feerate != nullopt) {
         result.pushKV("estimated_feerate",
                       ValueFromAmount(psbta.estimated_feerate->GetFeePerK()));
     }
     if (psbta.fee != nullopt) {
         result.pushKV("fee", ValueFromAmount(*psbta.fee));
     }
     result.pushKV("next", PSBTRoleName(psbta.next));
     if (!psbta.error.empty()) {
         result.pushKV("error", psbta.error);
     }
 
     return result;
 }
 
 // clang-format off
 static const CRPCCommand commands[] = {
     //  category            name                         actor (function)           argNames
     //  ------------------- ------------------------     ----------------------     ----------
     { "rawtransactions",    "getrawtransaction",         getrawtransaction,         {"txid","verbose","blockhash"} },
     { "rawtransactions",    "createrawtransaction",      createrawtransaction,      {"inputs","outputs","locktime"} },
     { "rawtransactions",    "decoderawtransaction",      decoderawtransaction,      {"hexstring"} },
     { "rawtransactions",    "decodescript",              decodescript,              {"hexstring"} },
     { "rawtransactions",    "sendrawtransaction",        sendrawtransaction,        {"hexstring","allowhighfees|maxfeerate"} },
     { "rawtransactions",    "combinerawtransaction",     combinerawtransaction,     {"txs"} },
     { "rawtransactions",    "signrawtransactionwithkey", signrawtransactionwithkey, {"hexstring","privkeys","prevtxs","sighashtype"} },
     { "rawtransactions",    "testmempoolaccept",         testmempoolaccept,         {"rawtxs","allowhighfees|maxfeerate"} },
     { "rawtransactions",    "decodepsbt",                decodepsbt,                {"psbt"} },
     { "rawtransactions",    "combinepsbt",               combinepsbt,               {"txs"} },
     { "rawtransactions",    "finalizepsbt",              finalizepsbt,              {"psbt", "extract"} },
     { "rawtransactions",    "createpsbt",                createpsbt,                {"inputs","outputs","locktime"} },
     { "rawtransactions",    "converttopsbt",             converttopsbt,             {"hexstring","permitsigdata"} },
     { "rawtransactions",    "utxoupdatepsbt",            utxoupdatepsbt,            {"psbt", "descriptors"} },
     { "rawtransactions",    "joinpsbts",                 joinpsbts,                 {"txs"} },
     { "rawtransactions",    "analyzepsbt",               analyzepsbt,               {"psbt"} },
     { "blockchain",         "gettxoutproof",             gettxoutproof,             {"txids", "blockhash"} },
     { "blockchain",         "verifytxoutproof",          verifytxoutproof,          {"proof"} },
 };
 // clang-format on
 
 void RegisterRawTransactionRPCCommands(CRPCTable &t) {
     for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++) {
         t.appendCommand(commands[vcidx].name, &commands[vcidx]);
     }
 }