// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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 <amount.h>
#include <chain.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <httpserver.h>
#include <validation.h>
#include <key_io.h>
#include <net.h>
#include <outputtype.h>
#include <policy/feerate.h>
#include <policy/fees.h>
#include <policy/policy.h>
#include <policy/rbf.h>
#include <rpc/mining.h>
#include <rpc/rawtransaction.h>
#include <rpc/server.h>
#include <rpc/util.h>
#include <script/sign.h>
#include <shutdown.h>
#include <timedata.h>
#include <util.h>
#include <utilmoneystr.h>
#include <wallet/coincontrol.h>
#include <wallet/feebumper.h>
#include <wallet/rpcwallet.h>
#include <wallet/wallet.h>
#include <wallet/walletdb.h>
#include <wallet/walletutil.h>

#include <stdint.h>

#include <univalue.h>

#include <functional>

static const std::string WALLET_ENDPOINT_BASE = "/wallet/";

bool GetWalletNameFromJSONRPCRequest(const JSONRPCRequest& request, std::string& wallet_name)
{
    if (request.URI.substr(0, WALLET_ENDPOINT_BASE.size()) == WALLET_ENDPOINT_BASE) {
        // wallet endpoint was used
        wallet_name = urlDecode(request.URI.substr(WALLET_ENDPOINT_BASE.size()));
        return true;
    }
    return false;
}

std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& request)
{
    std::string wallet_name;
    if (GetWalletNameFromJSONRPCRequest(request, wallet_name)) {
        std::shared_ptr<CWallet> pwallet = GetWallet(wallet_name);
        if (!pwallet) throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Requested wallet does not exist or is not loaded");
        return pwallet;
    }

    std::vector<std::shared_ptr<CWallet>> wallets = GetWallets();
    return wallets.size() == 1 || (request.fHelp && wallets.size() > 0) ? wallets[0] : nullptr;
}

std::string HelpRequiringPassphrase(CWallet * const pwallet)
{
    return pwallet && pwallet->IsCrypted()
        ? "\nRequires wallet passphrase to be set with walletpassphrase call."
        : "";
}

bool EnsureWalletIsAvailable(CWallet * const pwallet, bool avoidException)
{
    if (pwallet) return true;
    if (avoidException) return false;
    if (!HasWallets()) {
        throw JSONRPCError(
            RPC_METHOD_NOT_FOUND, "Method not found (wallet method is disabled because no wallet is loaded)");
    }
    throw JSONRPCError(RPC_WALLET_NOT_SPECIFIED,
        "Wallet file not specified (must request wallet RPC through /wallet/<filename> uri-path).");
}

void EnsureWalletIsUnlocked(CWallet * const pwallet)
{
    if (pwallet->IsLocked()) {
        throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
    }
}

static void WalletTxToJSON(const CWalletTx& wtx, UniValue& entry)
{
    int confirms = wtx.GetDepthInMainChain();
    entry.pushKV("confirmations", confirms);
    if (wtx.IsCoinBase())
        entry.pushKV("generated", true);
    if (confirms > 0)
    {
        entry.pushKV("blockhash", wtx.hashBlock.GetHex());
        entry.pushKV("blockindex", wtx.nIndex);
        entry.pushKV("blocktime", LookupBlockIndex(wtx.hashBlock)->GetBlockTime());
    } else {
        entry.pushKV("trusted", wtx.IsTrusted());
    }
    uint256 hash = wtx.GetHash();
    entry.pushKV("txid", hash.GetHex());
    UniValue conflicts(UniValue::VARR);
    for (const uint256& conflict : wtx.GetConflicts())
        conflicts.push_back(conflict.GetHex());
    entry.pushKV("walletconflicts", conflicts);
    entry.pushKV("time", wtx.GetTxTime());
    entry.pushKV("timereceived", (int64_t)wtx.nTimeReceived);

    // Add opt-in RBF status
    std::string rbfStatus = "no";
    if (confirms <= 0) {
        LOCK(mempool.cs);
        RBFTransactionState rbfState = IsRBFOptIn(*wtx.tx, mempool);
        if (rbfState == RBFTransactionState::UNKNOWN)
            rbfStatus = "unknown";
        else if (rbfState == RBFTransactionState::REPLACEABLE_BIP125)
            rbfStatus = "yes";
    }
    entry.pushKV("bip125-replaceable", rbfStatus);

    for (const std::pair<const std::string, std::string>& item : wtx.mapValue)
        entry.pushKV(item.first, item.second);
}

static std::string LabelFromValue(const UniValue& value)
{
    std::string label = value.get_str();
    if (label == "*")
        throw JSONRPCError(RPC_WALLET_INVALID_LABEL_NAME, "Invalid label name");
    return label;
}

static UniValue getnewaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 2)
        throw std::runtime_error(
            "getnewaddress ( \"label\" \"address_type\" )\n"
            "\nReturns a new Bitcoin address for receiving payments.\n"
            "If 'label' is specified, it is added to the address book \n"
            "so payments received with the address will be associated with 'label'.\n"
            "\nArguments:\n"
            "1. \"label\"          (string, optional) The label name for the address to be linked to. If not provided, the default label \"\" is used. It can also be set to the empty string \"\" to represent the default label. The label does not need to exist, it will be created if there is no label by the given name.\n"
            "2. \"address_type\"   (string, optional) The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is set by -addresstype.\n"
            "\nResult:\n"
            "\"address\"    (string) The new bitcoin address\n"
            "\nExamples:\n"
            + HelpExampleCli("getnewaddress", "")
            + HelpExampleRpc("getnewaddress", "")
        );

    if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    // Parse the label first so we don't generate a key if there's an error
    std::string label;
    if (!request.params[0].isNull())
        label = LabelFromValue(request.params[0]);

    OutputType output_type = pwallet->m_default_address_type;
    if (!request.params[1].isNull()) {
        if (!ParseOutputType(request.params[1].get_str(), output_type)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[1].get_str()));
        }
    }

    if (!pwallet->IsLocked()) {
        pwallet->TopUpKeyPool();
    }

    // Generate a new key that is added to wallet
    CPubKey newKey;
    if (!pwallet->GetKeyFromPool(newKey)) {
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
    }
    pwallet->LearnRelatedScripts(newKey, output_type);
    CTxDestination dest = GetDestinationForKey(newKey, output_type);

    pwallet->SetAddressBook(dest, label, "receive");

    return EncodeDestination(dest);
}

CTxDestination GetLabelDestination(CWallet* const pwallet, const std::string& label, bool bForceNew=false)
{
    CTxDestination dest;
    if (!pwallet->GetLabelDestination(dest, label, bForceNew)) {
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
    }

    return dest;
}

static UniValue getaccountaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("getaccountaddress (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "getaccountaddress is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "getaccountaddress \"account\"\n"
            "\n\nDEPRECATED. Returns the current Bitcoin address for receiving payments to this account.\n"
            "\nArguments:\n"
            "1. \"account\"       (string, required) The account for the address. It can also be set to the empty string \"\" to represent the default account. The account does not need to exist, it will be created and a new address created  if there is no account by the given name.\n"
            "\nResult:\n"
            "\"address\"          (string) The account bitcoin address\n"
            "\nExamples:\n"
            + HelpExampleCli("getaccountaddress", "")
            + HelpExampleCli("getaccountaddress", "\"\"")
            + HelpExampleCli("getaccountaddress", "\"myaccount\"")
            + HelpExampleRpc("getaccountaddress", "\"myaccount\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    // Parse the account first so we don't generate a key if there's an error
    std::string account = LabelFromValue(request.params[0]);

    UniValue ret(UniValue::VSTR);

    ret = EncodeDestination(GetLabelDestination(pwallet, account));
    return ret;
}


static UniValue getrawchangeaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 1)
        throw std::runtime_error(
            "getrawchangeaddress ( \"address_type\" )\n"
            "\nReturns a new Bitcoin address, for receiving change.\n"
            "This is for use with raw transactions, NOT normal use.\n"
            "\nArguments:\n"
            "1. \"address_type\"           (string, optional) The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is set by -changetype.\n"
            "\nResult:\n"
            "\"address\"    (string) The address\n"
            "\nExamples:\n"
            + HelpExampleCli("getrawchangeaddress", "")
            + HelpExampleRpc("getrawchangeaddress", "")
       );

    if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    if (!pwallet->IsLocked()) {
        pwallet->TopUpKeyPool();
    }

    OutputType output_type = pwallet->m_default_change_type != OutputType::CHANGE_AUTO ? pwallet->m_default_change_type : pwallet->m_default_address_type;
    if (!request.params[0].isNull()) {
        if (!ParseOutputType(request.params[0].get_str(), output_type)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[0].get_str()));
        }
    }

    CReserveKey reservekey(pwallet);
    CPubKey vchPubKey;
    if (!reservekey.GetReservedKey(vchPubKey, true))
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");

    reservekey.KeepKey();

    pwallet->LearnRelatedScripts(vchPubKey, output_type);
    CTxDestination dest = GetDestinationForKey(vchPubKey, output_type);

    return EncodeDestination(dest);
}


static UniValue setlabel(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts") && request.strMethod == "setaccount") {
        if (request.fHelp) {
            throw std::runtime_error("setaccount (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "setaccount is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() != 2)
        throw std::runtime_error(
            "setlabel \"address\" \"label\"\n"
            "\nSets the label associated with the given address.\n"
            "\nArguments:\n"
            "1. \"address\"         (string, required) The bitcoin address to be associated with a label.\n"
            "2. \"label\"           (string, required) The label to assign to the address.\n"
            "\nExamples:\n"
            + HelpExampleCli("setlabel", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"tabby\"")
            + HelpExampleRpc("setlabel", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\", \"tabby\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    }

    std::string old_label = pwallet->mapAddressBook[dest].name;
    std::string label = LabelFromValue(request.params[1]);

    if (IsMine(*pwallet, dest)) {
        pwallet->SetAddressBook(dest, label, "receive");
        if (request.strMethod == "setaccount" && old_label != label && dest == GetLabelDestination(pwallet, old_label)) {
            // for setaccount, call GetLabelDestination so a new receive address is created for the old account
            GetLabelDestination(pwallet, old_label, true);
        }
    } else {
        pwallet->SetAddressBook(dest, label, "send");
    }

    // Detect when there are no addresses using this label.
    // If so, delete the account record for it. Labels, unlike addresses, can be deleted,
    // and if we wouldn't do this, the record would stick around forever.
    bool found_address = false;
    for (const std::pair<const CTxDestination, CAddressBookData>& item : pwallet->mapAddressBook) {
        if (item.second.name == label) {
            found_address = true;
            break;
        }
    }
    if (!found_address) {
        pwallet->DeleteLabel(old_label);
    }

    return NullUniValue;
}


static UniValue getaccount(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("getaccount (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "getaccount is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "getaccount \"address\"\n"
            "\nDEPRECATED. Returns the account associated with the given address.\n"
            "\nArguments:\n"
            "1. \"address\"         (string, required) The bitcoin address for account lookup.\n"
            "\nResult:\n"
            "\"accountname\"        (string) the account address\n"
            "\nExamples:\n"
            + HelpExampleCli("getaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\"")
            + HelpExampleRpc("getaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    }

    std::string strAccount;
    std::map<CTxDestination, CAddressBookData>::iterator mi = pwallet->mapAddressBook.find(dest);
    if (mi != pwallet->mapAddressBook.end() && !(*mi).second.name.empty()) {
        strAccount = (*mi).second.name;
    }
    return strAccount;
}


static UniValue getaddressesbyaccount(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("getaddressbyaccount (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "getaddressesbyaccount is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "getaddressesbyaccount \"account\"\n"
            "\nDEPRECATED. Returns the list of addresses for the given account.\n"
            "\nArguments:\n"
            "1. \"account\"        (string, required) The account name.\n"
            "\nResult:\n"
            "[                     (json array of string)\n"
            "  \"address\"         (string) a bitcoin address associated with the given account\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("getaddressesbyaccount", "\"tabby\"")
            + HelpExampleRpc("getaddressesbyaccount", "\"tabby\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    std::string strAccount = LabelFromValue(request.params[0]);

    // Find all addresses that have the given account
    UniValue ret(UniValue::VARR);
    for (const std::pair<const CTxDestination, CAddressBookData>& item : pwallet->mapAddressBook) {
        const CTxDestination& dest = item.first;
        const std::string& strName = item.second.name;
        if (strName == strAccount) {
            ret.push_back(EncodeDestination(dest));
        }
    }
    return ret;
}

static CTransactionRef SendMoney(CWallet * const pwallet, const CTxDestination &address, CAmount nValue, bool fSubtractFeeFromAmount, const CCoinControl& coin_control, mapValue_t mapValue, std::string fromAccount)
{
    CAmount curBalance = pwallet->GetBalance();

    // Check amount
    if (nValue <= 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid amount");

    if (nValue > curBalance)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Insufficient funds");

    if (pwallet->GetBroadcastTransactions() && !g_connman) {
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
    }

    // Parse Bitcoin address
    CScript scriptPubKey = GetScriptForDestination(address);

    // Create and send the transaction
    CReserveKey reservekey(pwallet);
    CAmount nFeeRequired;
    std::string strError;
    std::vector<CRecipient> vecSend;
    int nChangePosRet = -1;
    CRecipient recipient = {scriptPubKey, nValue, fSubtractFeeFromAmount};
    vecSend.push_back(recipient);
    CTransactionRef tx;
    if (!pwallet->CreateTransaction(vecSend, tx, reservekey, nFeeRequired, nChangePosRet, strError, coin_control)) {
        if (!fSubtractFeeFromAmount && nValue + nFeeRequired > curBalance)
            strError = strprintf("Error: This transaction requires a transaction fee of at least %s", FormatMoney(nFeeRequired));
        throw JSONRPCError(RPC_WALLET_ERROR, strError);
    }
    CValidationState state;
    if (!pwallet->CommitTransaction(tx, std::move(mapValue), {} /* orderForm */, std::move(fromAccount), reservekey, g_connman.get(), state)) {
        strError = strprintf("Error: The transaction was rejected! Reason given: %s", FormatStateMessage(state));
        throw JSONRPCError(RPC_WALLET_ERROR, strError);
    }
    return tx;
}

static UniValue sendtoaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 2 || request.params.size() > 8)
        throw std::runtime_error(
            "sendtoaddress \"address\" amount ( \"comment\" \"comment_to\" subtractfeefromamount replaceable conf_target \"estimate_mode\")\n"
            "\nSend an amount to a given address.\n"
            + HelpRequiringPassphrase(pwallet) +
            "\nArguments:\n"
            "1. \"address\"            (string, required) The bitcoin address to send to.\n"
            "2. \"amount\"             (numeric or string, required) The amount in " + CURRENCY_UNIT + " to send. eg 0.1\n"
            "3. \"comment\"            (string, optional) A comment used to store what the transaction is for. \n"
            "                             This is not part of the transaction, just kept in your wallet.\n"
            "4. \"comment_to\"         (string, optional) A comment to store the name of the person or organization \n"
            "                             to which you're sending the transaction. This is not part of the \n"
            "                             transaction, just kept in your wallet.\n"
            "5. subtractfeefromamount  (boolean, optional, default=false) The fee will be deducted from the amount being sent.\n"
            "                             The recipient will receive less bitcoins than you enter in the amount field.\n"
            "6. replaceable            (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees via BIP 125\n"
            "7. conf_target            (numeric, optional) Confirmation target (in blocks)\n"
            "8. \"estimate_mode\"      (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
            "       \"UNSET\"\n"
            "       \"ECONOMICAL\"\n"
            "       \"CONSERVATIVE\"\n"
            "\nResult:\n"
            "\"txid\"                  (string) The transaction id.\n"
            "\nExamples:\n"
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.1")
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.1 \"donation\" \"seans outpost\"")
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.1 \"\" \"\" true")
            + HelpExampleRpc("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\", 0.1, \"donation\", \"seans outpost\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
    }

    // Amount
    CAmount nAmount = AmountFromValue(request.params[1]);
    if (nAmount <= 0)
        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");

    // Wallet comments
    mapValue_t mapValue;
    if (!request.params[2].isNull() && !request.params[2].get_str().empty())
        mapValue["comment"] = request.params[2].get_str();
    if (!request.params[3].isNull() && !request.params[3].get_str().empty())
        mapValue["to"] = request.params[3].get_str();

    bool fSubtractFeeFromAmount = false;
    if (!request.params[4].isNull()) {
        fSubtractFeeFromAmount = request.params[4].get_bool();
    }

    CCoinControl coin_control;
    if (!request.params[5].isNull()) {
        coin_control.m_signal_bip125_rbf = request.params[5].get_bool();
    }

    if (!request.params[6].isNull()) {
        coin_control.m_confirm_target = ParseConfirmTarget(request.params[6]);
    }

    if (!request.params[7].isNull()) {
        if (!FeeModeFromString(request.params[7].get_str(), coin_control.m_fee_mode)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter");
        }
    }


    EnsureWalletIsUnlocked(pwallet);

    CTransactionRef tx = SendMoney(pwallet, dest, nAmount, fSubtractFeeFromAmount, coin_control, std::move(mapValue), {} /* fromAccount */);
    return tx->GetHash().GetHex();
}

static UniValue listaddressgroupings(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 0)
        throw std::runtime_error(
            "listaddressgroupings\n"
            "\nLists groups of addresses which have had their common ownership\n"
            "made public by common use as inputs or as the resulting change\n"
            "in past transactions\n"
            "\nResult:\n"
            "[\n"
            "  [\n"
            "    [\n"
            "      \"address\",            (string) The bitcoin address\n"
            "      amount,                 (numeric) The amount in " + CURRENCY_UNIT + "\n"
            "      \"label\"               (string, optional) The label\n"
            "    ]\n"
            "    ,...\n"
            "  ]\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("listaddressgroupings", "")
            + HelpExampleRpc("listaddressgroupings", "")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    UniValue jsonGroupings(UniValue::VARR);
    std::map<CTxDestination, CAmount> balances = pwallet->GetAddressBalances();
    for (const std::set<CTxDestination>& grouping : pwallet->GetAddressGroupings()) {
        UniValue jsonGrouping(UniValue::VARR);
        for (const CTxDestination& address : grouping)
        {
            UniValue addressInfo(UniValue::VARR);
            addressInfo.push_back(EncodeDestination(address));
            addressInfo.push_back(ValueFromAmount(balances[address]));
            {
                if (pwallet->mapAddressBook.find(address) != pwallet->mapAddressBook.end()) {
                    addressInfo.push_back(pwallet->mapAddressBook.find(address)->second.name);
                }
            }
            jsonGrouping.push_back(addressInfo);
        }
        jsonGroupings.push_back(jsonGrouping);
    }
    return jsonGroupings;
}

static UniValue signmessage(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 2)
        throw std::runtime_error(
            "signmessage \"address\" \"message\"\n"
            "\nSign a message with the private key of an address"
            + HelpRequiringPassphrase(pwallet) + "\n"
            "\nArguments:\n"
            "1. \"address\"         (string, required) The bitcoin address to use for the private key.\n"
            "2. \"message\"         (string, required) The message to create a signature of.\n"
            "\nResult:\n"
            "\"signature\"          (string) The signature of the message encoded in base 64\n"
            "\nExamples:\n"
            "\nUnlock the wallet for 30 seconds\n"
            + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
            "\nCreate the signature\n"
            + HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"my message\"") +
            "\nVerify the signature\n"
            + HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" \"signature\" \"my message\"") +
            "\nAs json rpc\n"
            + HelpExampleRpc("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\", \"my message\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    EnsureWalletIsUnlocked(pwallet);

    std::string strAddress = request.params[0].get_str();
    std::string strMessage = request.params[1].get_str();

    CTxDestination dest = DecodeDestination(strAddress);
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");
    }

    const CKeyID *keyID = boost::get<CKeyID>(&dest);
    if (!keyID) {
        throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");
    }

    CKey key;
    if (!pwallet->GetKey(*keyID, key)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");
    }

    CHashWriter ss(SER_GETHASH, 0);
    ss << strMessageMagic;
    ss << strMessage;

    std::vector<unsigned char> vchSig;
    if (!key.SignCompact(ss.GetHash(), vchSig))
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");

    return EncodeBase64(vchSig.data(), vchSig.size());
}

static UniValue getreceivedbyaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
        throw std::runtime_error(
            "getreceivedbyaddress \"address\" ( minconf )\n"
            "\nReturns the total amount received by the given address in transactions with at least minconf confirmations.\n"
            "\nArguments:\n"
            "1. \"address\"         (string, required) The bitcoin address for transactions.\n"
            "2. minconf             (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
            "\nResult:\n"
            "amount   (numeric) The total amount in " + CURRENCY_UNIT + " received at this address.\n"
            "\nExamples:\n"
            "\nThe amount from transactions with at least 1 confirmation\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\"") +
            "\nThe amount including unconfirmed transactions, zero confirmations\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" 0") +
            "\nThe amount with at least 6 confirmations\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\", 6")
       );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    // Bitcoin address
    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    }
    CScript scriptPubKey = GetScriptForDestination(dest);
    if (!IsMine(*pwallet, scriptPubKey)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Address not found in wallet");
    }

    // Minimum confirmations
    int nMinDepth = 1;
    if (!request.params[1].isNull())
        nMinDepth = request.params[1].get_int();

    // Tally
    CAmount nAmount = 0;
    for (const std::pair<const uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
        const CWalletTx& wtx = pairWtx.second;
        if (wtx.IsCoinBase() || !CheckFinalTx(*wtx.tx))
            continue;

        for (const CTxOut& txout : wtx.tx->vout)
            if (txout.scriptPubKey == scriptPubKey)
                if (wtx.GetDepthInMainChain() >= nMinDepth)
                    nAmount += txout.nValue;
    }

    return  ValueFromAmount(nAmount);
}


static UniValue getreceivedbylabel(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts") && request.strMethod == "getreceivedbyaccount") {
        if (request.fHelp) {
            throw std::runtime_error("getreceivedbyaccount (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "getreceivedbyaccount is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
        throw std::runtime_error(
            "getreceivedbylabel \"label\" ( minconf )\n"
            "\nReturns the total amount received by addresses with <label> in transactions with at least [minconf] confirmations.\n"
            "\nArguments:\n"
            "1. \"label\"        (string, required) The selected label, may be the default label using \"\".\n"
            "2. minconf          (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
            "\nResult:\n"
            "amount              (numeric) The total amount in " + CURRENCY_UNIT + " received for this label.\n"
            "\nExamples:\n"
            "\nAmount received by the default label with at least 1 confirmation\n"
            + HelpExampleCli("getreceivedbylabel", "\"\"") +
            "\nAmount received at the tabby label including unconfirmed amounts with zero confirmations\n"
            + HelpExampleCli("getreceivedbylabel", "\"tabby\" 0") +
            "\nThe amount with at least 6 confirmations\n"
            + HelpExampleCli("getreceivedbylabel", "\"tabby\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getreceivedbylabel", "\"tabby\", 6")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    // Minimum confirmations
    int nMinDepth = 1;
    if (!request.params[1].isNull())
        nMinDepth = request.params[1].get_int();

    // Get the set of pub keys assigned to label
    std::string label = LabelFromValue(request.params[0]);
    std::set<CTxDestination> setAddress = pwallet->GetLabelAddresses(label);

    // Tally
    CAmount nAmount = 0;
    for (const std::pair<const uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
        const CWalletTx& wtx = pairWtx.second;
        if (wtx.IsCoinBase() || !CheckFinalTx(*wtx.tx))
            continue;

        for (const CTxOut& txout : wtx.tx->vout)
        {
            CTxDestination address;
            if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*pwallet, address) && setAddress.count(address)) {
                if (wtx.GetDepthInMainChain() >= nMinDepth)
                    nAmount += txout.nValue;
            }
        }
    }

    return ValueFromAmount(nAmount);
}


static UniValue getbalance(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || (request.params.size() > 3 ))
        throw std::runtime_error(
           (IsDeprecatedRPCEnabled("accounts") ? std::string(
            "getbalance ( \"account\" minconf include_watchonly )\n"
            "\nIf account is not specified, returns the server's total available balance.\n"
            "The available balance is what the wallet considers currently spendable, and is\n"
            "thus affected by options which limit spendability such as -spendzeroconfchange.\n"
            "If account is specified (DEPRECATED), returns the balance in the account.\n"
            "Note that the account \"\" is not the same as leaving the parameter out.\n"
            "The server total may be different to the balance in the default \"\" account.\n"
            "\nArguments:\n"
            "1. \"account\"         (string, optional) DEPRECATED. This argument will be removed in V0.18. \n"
            "                     To use this deprecated argument, start bitcoind with -deprecatedrpc=accounts. The account string may be given as a\n"
            "                     specific account name to find the balance associated with wallet keys in\n"
            "                     a named account, or as the empty string (\"\") to find the balance\n"
            "                     associated with wallet keys not in any named account, or as \"*\" to find\n"
            "                     the balance associated with all wallet keys regardless of account.\n"
            "                     When this option is specified, it calculates the balance in a different\n"
            "                     way than when it is not specified, and which can count spends twice when\n"
            "                     there are conflicting pending transactions (such as those created by\n"
            "                     the bumpfee command), temporarily resulting in low or even negative\n"
            "                     balances. In general, account balance calculation is not considered\n"
            "                     reliable and has resulted in confusing outcomes, so it is recommended to\n"
            "                     avoid passing this argument.\n"
            "2. minconf           (numeric, optional) Only include transactions confirmed at least this many times. \n"
            "                     The default is 1 if an account is provided or 0 if no account is provided\n")
            : std::string(
            "getbalance ( \"(dummy)\" minconf include_watchonly )\n"
            "\nReturns the total available balance.\n"
            "The available balance is what the wallet considers currently spendable, and is\n"
            "thus affected by options which limit spendability such as -spendzeroconfchange.\n"
            "\nArguments:\n"
            "1. (dummy)           (string, optional) Remains for backward compatibility. Must be excluded or set to \"*\".\n"
            "2. minconf           (numeric, optional, default=0) Only include transactions confirmed at least this many times.\n")) +
            "3. include_watchonly (bool, optional, default=false) Also include balance in watch-only addresses (see 'importaddress')\n"
            "\nResult:\n"
            "amount              (numeric) The total amount in " + CURRENCY_UNIT + " received for this account.\n"
            "\nExamples:\n"
            "\nThe total amount in the wallet with 1 or more confirmations\n"
            + HelpExampleCli("getbalance", "") +
            "\nThe total amount in the wallet at least 6 blocks confirmed\n"
            + HelpExampleCli("getbalance", "\"*\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getbalance", "\"*\", 6")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    const UniValue& account_value = request.params[0];

    int min_depth = 0;
    if (IsDeprecatedRPCEnabled("accounts") && !account_value.isNull()) {
        // Default min_depth to 1 when an account is provided.
        min_depth = 1;
    }
    if (!request.params[1].isNull()) {
        min_depth = request.params[1].get_int();
    }

    isminefilter filter = ISMINE_SPENDABLE;
    if (!request.params[2].isNull() && request.params[2].get_bool()) {
        filter = filter | ISMINE_WATCH_ONLY;
    }

    if (!account_value.isNull()) {

        const std::string& account_param = account_value.get_str();
        const std::string* account = account_param != "*" ? &account_param : nullptr;

        if (!IsDeprecatedRPCEnabled("accounts") && account_param != "*") {
            throw JSONRPCError(RPC_METHOD_DEPRECATED, "dummy first argument must be excluded or set to \"*\".");
        } else if (IsDeprecatedRPCEnabled("accounts")) {
            return ValueFromAmount(pwallet->GetLegacyBalance(filter, min_depth, account));
        }
    }

    return ValueFromAmount(pwallet->GetBalance(filter, min_depth));
}

static UniValue getunconfirmedbalance(const JSONRPCRequest &request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 0)
        throw std::runtime_error(
                "getunconfirmedbalance\n"
                "Returns the server's total unconfirmed balance\n");

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    return ValueFromAmount(pwallet->GetUnconfirmedBalance());
}


static UniValue movecmd(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("move (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "move is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() < 3 || request.params.size() > 5)
        throw std::runtime_error(
            "move \"fromaccount\" \"toaccount\" amount ( minconf \"comment\" )\n"
            "\nDEPRECATED. Move a specified amount from one account in your wallet to another.\n"
            "\nArguments:\n"
            "1. \"fromaccount\"   (string, required) The name of the account to move funds from. May be the default account using \"\".\n"
            "2. \"toaccount\"     (string, required) The name of the account to move funds to. May be the default account using \"\".\n"
            "3. amount            (numeric) Quantity of " + CURRENCY_UNIT + " to move between accounts.\n"
            "4. (dummy)           (numeric, optional) Ignored. Remains for backward compatibility.\n"
            "5. \"comment\"       (string, optional) An optional comment, stored in the wallet only.\n"
            "\nResult:\n"
            "true|false           (boolean) true if successful.\n"
            "\nExamples:\n"
            "\nMove 0.01 " + CURRENCY_UNIT + " from the default account to the account named tabby\n"
            + HelpExampleCli("move", "\"\" \"tabby\" 0.01") +
            "\nMove 0.01 " + CURRENCY_UNIT + " timotei to akiko with a comment and funds have 6 confirmations\n"
            + HelpExampleCli("move", "\"timotei\" \"akiko\" 0.01 6 \"happy birthday!\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("move", "\"timotei\", \"akiko\", 0.01, 6, \"happy birthday!\"")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    std::string strFrom = LabelFromValue(request.params[0]);
    std::string strTo = LabelFromValue(request.params[1]);
    CAmount nAmount = AmountFromValue(request.params[2]);
    if (nAmount <= 0)
        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
    if (!request.params[3].isNull())
        // unused parameter, used to be nMinDepth, keep type-checking it though
        (void)request.params[3].get_int();
    std::string strComment;
    if (!request.params[4].isNull())
        strComment = request.params[4].get_str();

    if (!pwallet->AccountMove(strFrom, strTo, nAmount, strComment)) {
        throw JSONRPCError(RPC_DATABASE_ERROR, "database error");
    }

    return true;
}


static UniValue sendfrom(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("sendfrom (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "sendfrom is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }


    if (request.fHelp || request.params.size() < 3 || request.params.size() > 6)
        throw std::runtime_error(
            "sendfrom \"fromaccount\" \"toaddress\" amount ( minconf \"comment\" \"comment_to\" )\n"
            "\nDEPRECATED (use sendtoaddress). Sent an amount from an account to a bitcoin address."
            + HelpRequiringPassphrase(pwallet) + "\n"
            "\nArguments:\n"
            "1. \"fromaccount\"       (string, required) The name of the account to send funds from. May be the default account using \"\".\n"
            "                       Specifying an account does not influence coin selection, but it does associate the newly created\n"
            "                       transaction with the account, so the account's balance computation and transaction history can reflect\n"
            "                       the spend.\n"
            "2. \"toaddress\"         (string, required) The bitcoin address to send funds to.\n"
            "3. amount                (numeric or string, required) The amount in " + CURRENCY_UNIT + " (transaction fee is added on top).\n"
            "4. minconf               (numeric, optional, default=1) Only use funds with at least this many confirmations.\n"
            "5. \"comment\"           (string, optional) A comment used to store what the transaction is for. \n"
            "                                     This is not part of the transaction, just kept in your wallet.\n"
            "6. \"comment_to\"        (string, optional) An optional comment to store the name of the person or organization \n"
            "                                     to which you're sending the transaction. This is not part of the transaction, \n"
            "                                     it is just kept in your wallet.\n"
            "\nResult:\n"
            "\"txid\"                 (string) The transaction id.\n"
            "\nExamples:\n"
            "\nSend 0.01 " + CURRENCY_UNIT + " from the default account to the address, must have at least 1 confirmation\n"
            + HelpExampleCli("sendfrom", "\"\" \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.01") +
            "\nSend 0.01 from the tabby account to the given address, funds must have at least 6 confirmations\n"
            + HelpExampleCli("sendfrom", "\"tabby\" \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.01 6 \"donation\" \"seans outpost\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendfrom", "\"tabby\", \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\", 0.01, 6, \"donation\", \"seans outpost\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    std::string strAccount = LabelFromValue(request.params[0]);
    CTxDestination dest = DecodeDestination(request.params[1].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    }
    CAmount nAmount = AmountFromValue(request.params[2]);
    if (nAmount <= 0)
        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
    int nMinDepth = 1;
    if (!request.params[3].isNull())
        nMinDepth = request.params[3].get_int();

    mapValue_t mapValue;
    if (!request.params[4].isNull() && !request.params[4].get_str().empty())
        mapValue["comment"] = request.params[4].get_str();
    if (!request.params[5].isNull() && !request.params[5].get_str().empty())
        mapValue["to"] = request.params[5].get_str();

    EnsureWalletIsUnlocked(pwallet);

    // Check funds
    CAmount nBalance = pwallet->GetLegacyBalance(ISMINE_SPENDABLE, nMinDepth, &strAccount);
    if (nAmount > nBalance)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");

    CCoinControl no_coin_control; // This is a deprecated API
    CTransactionRef tx = SendMoney(pwallet, dest, nAmount, false, no_coin_control, std::move(mapValue), std::move(strAccount));
    return tx->GetHash().GetHex();
}


static UniValue sendmany(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    std::string help_text;
    if (!IsDeprecatedRPCEnabled("accounts")) {
        help_text = "sendmany \"\" {\"address\":amount,...} ( minconf \"comment\" [\"address\",...] replaceable conf_target \"estimate_mode\")\n"
            "\nSend multiple times. Amounts are double-precision floating point numbers.\n"
            "Note that the \"fromaccount\" argument has been removed in V0.17. To use this RPC with a \"fromaccount\" argument, restart\n"
            "bitcoind with -deprecatedrpc=accounts\n"
            + HelpRequiringPassphrase(pwallet) + "\n"
            "\nArguments:\n"
            "1. \"dummy\"               (string, required) Must be set to \"\" for backwards compatibility.\n"
            "2. \"amounts\"             (string, required) A json object with addresses and amounts\n"
            "    {\n"
            "      \"address\":amount   (numeric or string) The bitcoin address is the key, the numeric amount (can be string) in " + CURRENCY_UNIT + " is the value\n"
            "      ,...\n"
            "    }\n"
            "3. minconf                 (numeric, optional, default=1) Only use the balance confirmed at least this many times.\n"
            "4. \"comment\"             (string, optional) A comment\n"
            "5. subtractfeefrom         (array, optional) A json array with addresses.\n"
            "                           The fee will be equally deducted from the amount of each selected address.\n"
            "                           Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
            "                           If no addresses are specified here, the sender pays the fee.\n"
            "    [\n"
            "      \"address\"          (string) Subtract fee from this address\n"
            "      ,...\n"
            "    ]\n"
            "6. replaceable            (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees via BIP 125\n"
            "7. conf_target            (numeric, optional) Confirmation target (in blocks)\n"
            "8. \"estimate_mode\"      (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
            "       \"UNSET\"\n"
            "       \"ECONOMICAL\"\n"
            "       \"CONSERVATIVE\"\n"
             "\nResult:\n"
            "\"txid\"                   (string) The transaction id for the send. Only 1 transaction is created regardless of \n"
            "                                    the number of addresses.\n"
            "\nExamples:\n"
            "\nSend two amounts to two different addresses:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\"") +
            "\nSend two amounts to two different addresses setting the confirmation and comment:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\" 6 \"testing\"") +
            "\nSend two amounts to two different addresses, subtract fee from amount:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\" 1 \"\" \"[\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\",\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\"]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendmany", "\"\", {\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\":0.01,\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\":0.02}, 6, \"testing\"");
    } else {
        help_text = "sendmany \"\" \"fromaccount\" {\"address\":amount,...} ( minconf \"comment\" [\"address\",...] replaceable conf_target \"estimate_mode\")\n"
            "\nSend multiple times. Amounts are double-precision floating point numbers."
            + HelpRequiringPassphrase(pwallet) + "\n"
            "\nArguments:\n"
            "1. \"fromaccount\"         (string, required) DEPRECATED. The account to send the funds from. Should be \"\" for the default account\n"
            "2. \"amounts\"             (string, required) A json object with addresses and amounts\n"
            "    {\n"
            "      \"address\":amount   (numeric or string) The bitcoin address is the key, the numeric amount (can be string) in " + CURRENCY_UNIT + " is the value\n"
            "      ,...\n"
            "    }\n"
            "3. minconf                 (numeric, optional, default=1) Only use the balance confirmed at least this many times.\n"
            "4. \"comment\"             (string, optional) A comment\n"
            "5. subtractfeefrom         (array, optional) A json array with addresses.\n"
            "                           The fee will be equally deducted from the amount of each selected address.\n"
            "                           Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
            "                           If no addresses are specified here, the sender pays the fee.\n"
            "    [\n"
            "      \"address\"          (string) Subtract fee from this address\n"
            "      ,...\n"
            "    ]\n"
            "6. replaceable            (boolean, optional) Allow this transaction to be replaced by a transaction with higher fees via BIP 125\n"
            "7. conf_target            (numeric, optional) Confirmation target (in blocks)\n"
            "8. \"estimate_mode\"      (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
            "       \"UNSET\"\n"
            "       \"ECONOMICAL\"\n"
            "       \"CONSERVATIVE\"\n"
             "\nResult:\n"
            "\"txid\"                   (string) The transaction id for the send. Only 1 transaction is created regardless of \n"
            "                                    the number of addresses.\n"
            "\nExamples:\n"
            "\nSend two amounts to two different addresses:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\"") +
            "\nSend two amounts to two different addresses setting the confirmation and comment:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\" 6 \"testing\"") +
            "\nSend two amounts to two different addresses, subtract fee from amount:\n"
            + HelpExampleCli("sendmany", "\"\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\" 1 \"\" \"[\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\\\",\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\"]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendmany", "\"\", {\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX\":0.01,\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\":0.02}, 6, \"testing\"");
    }

    if (request.fHelp || request.params.size() < 2 || request.params.size() > 8) throw std::runtime_error(help_text);

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    if (pwallet->GetBroadcastTransactions() && !g_connman) {
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
    }

    if (!IsDeprecatedRPCEnabled("accounts") && !request.params[0].get_str().empty()) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Dummy value must be set to \"\"");
    }
    std::string strAccount = LabelFromValue(request.params[0]);
    UniValue sendTo = request.params[1].get_obj();
    int nMinDepth = 1;
    if (!request.params[2].isNull())
        nMinDepth = request.params[2].get_int();

    mapValue_t mapValue;
    if (!request.params[3].isNull() && !request.params[3].get_str().empty())
        mapValue["comment"] = request.params[3].get_str();

    UniValue subtractFeeFromAmount(UniValue::VARR);
    if (!request.params[4].isNull())
        subtractFeeFromAmount = request.params[4].get_array();

    CCoinControl coin_control;
    if (!request.params[5].isNull()) {
        coin_control.m_signal_bip125_rbf = request.params[5].get_bool();
    }

    if (!request.params[6].isNull()) {
        coin_control.m_confirm_target = ParseConfirmTarget(request.params[6]);
    }

    if (!request.params[7].isNull()) {
        if (!FeeModeFromString(request.params[7].get_str(), coin_control.m_fee_mode)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter");
        }
    }

    std::set<CTxDestination> destinations;
    std::vector<CRecipient> vecSend;

    CAmount totalAmount = 0;
    std::vector<std::string> keys = sendTo.getKeys();
    for (const std::string& name_ : keys) {
        CTxDestination dest = DecodeDestination(name_);
        if (!IsValidDestination(dest)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + name_);
        }

        if (destinations.count(dest)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + name_);
        }
        destinations.insert(dest);

        CScript scriptPubKey = GetScriptForDestination(dest);
        CAmount nAmount = AmountFromValue(sendTo[name_]);
        if (nAmount <= 0)
            throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount for send");
        totalAmount += nAmount;

        bool fSubtractFeeFromAmount = false;
        for (unsigned int idx = 0; idx < subtractFeeFromAmount.size(); idx++) {
            const UniValue& addr = subtractFeeFromAmount[idx];
            if (addr.get_str() == name_)
                fSubtractFeeFromAmount = true;
        }

        CRecipient recipient = {scriptPubKey, nAmount, fSubtractFeeFromAmount};
        vecSend.push_back(recipient);
    }

    EnsureWalletIsUnlocked(pwallet);

    // Check funds
    if (IsDeprecatedRPCEnabled("accounts") && totalAmount > pwallet->GetLegacyBalance(ISMINE_SPENDABLE, nMinDepth, &strAccount)) {
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");
    } else if (!IsDeprecatedRPCEnabled("accounts") && totalAmount > pwallet->GetLegacyBalance(ISMINE_SPENDABLE, nMinDepth, nullptr)) {
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Wallet has insufficient funds");
    }

    // Shuffle recipient list
    std::shuffle(vecSend.begin(), vecSend.end(), FastRandomContext());

    // Send
    CReserveKey keyChange(pwallet);
    CAmount nFeeRequired = 0;
    int nChangePosRet = -1;
    std::string strFailReason;
    CTransactionRef tx;
    bool fCreated = pwallet->CreateTransaction(vecSend, tx, keyChange, nFeeRequired, nChangePosRet, strFailReason, coin_control);
    if (!fCreated)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, strFailReason);
    CValidationState state;
    if (!pwallet->CommitTransaction(tx, std::move(mapValue), {} /* orderForm */, std::move(strAccount), keyChange, g_connman.get(), state)) {
        strFailReason = strprintf("Transaction commit failed:: %s", FormatStateMessage(state));
        throw JSONRPCError(RPC_WALLET_ERROR, strFailReason);
    }

    return tx->GetHash().GetHex();
}

static UniValue addmultisigaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 2 || request.params.size() > 4) {
        std::string msg = "addmultisigaddress nrequired [\"key\",...] ( \"label\" \"address_type\" )\n"
            "\nAdd a nrequired-to-sign multisignature address to the wallet. Requires a new wallet backup.\n"
            "Each key is a Bitcoin address or hex-encoded public key.\n"
            "This functionality is only intended for use with non-watchonly addresses.\n"
            "See `importaddress` for watchonly p2sh address support.\n"
            "If 'label' is specified, assign address to that label.\n"

            "\nArguments:\n"
            "1. nrequired                      (numeric, required) The number of required signatures out of the n keys or addresses.\n"
            "2. \"keys\"                         (string, required) A json array of bitcoin addresses or hex-encoded public keys\n"
            "     [\n"
            "       \"address\"                  (string) bitcoin address or hex-encoded public key\n"
            "       ...,\n"
            "     ]\n"
            "3. \"label\"                        (string, optional) A label to assign the addresses to.\n"
            "4. \"address_type\"                 (string, optional) The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is set by -addresstype.\n"

            "\nResult:\n"
            "{\n"
            "  \"address\":\"multisigaddress\",    (string) The value of the new multisig address.\n"
            "  \"redeemScript\":\"script\"         (string) The string value of the hex-encoded redemption script.\n"
            "}\n"
            "\nExamples:\n"
            "\nAdd a multisig address from 2 addresses\n"
            + HelpExampleCli("addmultisigaddress", "2 \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("addmultisigaddress", "2, \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"")
        ;
        throw std::runtime_error(msg);
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    std::string label;
    if (!request.params[2].isNull())
        label = LabelFromValue(request.params[2]);

    int required = request.params[0].get_int();

    // Get the public keys
    const UniValue& keys_or_addrs = request.params[1].get_array();
    std::vector<CPubKey> pubkeys;
    for (unsigned int i = 0; i < keys_or_addrs.size(); ++i) {
        if (IsHex(keys_or_addrs[i].get_str()) && (keys_or_addrs[i].get_str().length() == 66 || keys_or_addrs[i].get_str().length() == 130)) {
            pubkeys.push_back(HexToPubKey(keys_or_addrs[i].get_str()));
        } else {
            pubkeys.push_back(AddrToPubKey(pwallet, keys_or_addrs[i].get_str()));
        }
    }

    OutputType output_type = pwallet->m_default_address_type;
    if (!request.params[3].isNull()) {
        if (!ParseOutputType(request.params[3].get_str(), output_type)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[3].get_str()));
        }
    }

    // Construct using pay-to-script-hash:
    CScript inner = CreateMultisigRedeemscript(required, pubkeys);
    CTxDestination dest = AddAndGetDestinationForScript(*pwallet, inner, output_type);
    pwallet->SetAddressBook(dest, label, "send");

    UniValue result(UniValue::VOBJ);
    result.pushKV("address", EncodeDestination(dest));
    result.pushKV("redeemScript", HexStr(inner.begin(), inner.end()));
    return result;
}

class Witnessifier : public boost::static_visitor<bool>
{
public:
    CWallet * const pwallet;
    CTxDestination result;
    bool already_witness;

    explicit Witnessifier(CWallet *_pwallet) : pwallet(_pwallet), already_witness(false) {}

    bool operator()(const CKeyID &keyID) {
        if (pwallet) {
            CScript basescript = GetScriptForDestination(keyID);
            CScript witscript = GetScriptForWitness(basescript);
            if (!IsSolvable(*pwallet, witscript)) {
                return false;
            }
            return ExtractDestination(witscript, result);
        }
        return false;
    }

    bool operator()(const CScriptID &scriptID) {
        CScript subscript;
        if (pwallet && pwallet->GetCScript(scriptID, subscript)) {
            int witnessversion;
            std::vector<unsigned char> witprog;
            if (subscript.IsWitnessProgram(witnessversion, witprog)) {
                ExtractDestination(subscript, result);
                already_witness = true;
                return true;
            }
            CScript witscript = GetScriptForWitness(subscript);
            if (!IsSolvable(*pwallet, witscript)) {
                return false;
            }
            return ExtractDestination(witscript, result);
        }
        return false;
    }

    bool operator()(const WitnessV0KeyHash& id)
    {
        already_witness = true;
        result = id;
        return true;
    }

    bool operator()(const WitnessV0ScriptHash& id)
    {
        already_witness = true;
        result = id;
        return true;
    }

    template<typename T>
    bool operator()(const T& dest) { return false; }
};

static UniValue addwitnessaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
    {
        std::string msg = "addwitnessaddress \"address\" ( p2sh )\n"
            "\nDEPRECATED: set the address_type argument of getnewaddress, or option -addresstype=[bech32|p2sh-segwit] instead.\n"
            "Add a witness address for a script (with pubkey or redeemscript known). Requires a new wallet backup.\n"
            "It returns the witness script.\n"

            "\nArguments:\n"
            "1. \"address\"       (string, required) An address known to the wallet\n"
            "2. p2sh            (bool, optional, default=true) Embed inside P2SH\n"

            "\nResult:\n"
            "\"witnessaddress\",  (string) The value of the new address (P2SH or BIP173).\n"
            "}\n"
        ;
        throw std::runtime_error(msg);
    }

    if (!IsDeprecatedRPCEnabled("addwitnessaddress")) {
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "addwitnessaddress is deprecated and will be fully removed in v0.17. "
            "To use addwitnessaddress in v0.16, restart bitcoind with -deprecatedrpc=addwitnessaddress.\n"
            "Projects should transition to using the address_type argument of getnewaddress, or option -addresstype=[bech32|p2sh-segwit] instead.\n");
    }

    CTxDestination dest = DecodeDestination(request.params[0].get_str());
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    }

    bool p2sh = true;
    if (!request.params[1].isNull()) {
        p2sh = request.params[1].get_bool();
    }

    Witnessifier w(pwallet);
    bool ret = boost::apply_visitor(w, dest);
    if (!ret) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Public key or redeemscript not known to wallet, or the key is uncompressed");
    }

    CScript witprogram = GetScriptForDestination(w.result);

    if (p2sh) {
        w.result = CScriptID(witprogram);
    }

    if (w.already_witness) {
        if (!(dest == w.result)) {
            throw JSONRPCError(RPC_WALLET_ERROR, "Cannot convert between witness address types");
        }
    } else {
        pwallet->AddCScript(witprogram); // Implicit for single-key now, but necessary for multisig and for compatibility with older software
        pwallet->SetAddressBook(w.result, "", "receive");
    }

    return EncodeDestination(w.result);
}

struct tallyitem
{
    CAmount nAmount;
    int nConf;
    std::vector<uint256> txids;
    bool fIsWatchonly;
    tallyitem()
    {
        nAmount = 0;
        nConf = std::numeric_limits<int>::max();
        fIsWatchonly = false;
    }
};

static UniValue ListReceived(CWallet * const pwallet, const UniValue& params, bool by_label)
{
    // Minimum confirmations
    int nMinDepth = 1;
    if (!params[0].isNull())
        nMinDepth = params[0].get_int();

    // Whether to include empty labels
    bool fIncludeEmpty = false;
    if (!params[1].isNull())
        fIncludeEmpty = params[1].get_bool();

    isminefilter filter = ISMINE_SPENDABLE;
    if(!params[2].isNull())
        if(params[2].get_bool())
            filter = filter | ISMINE_WATCH_ONLY;

    bool has_filtered_address = false;
    CTxDestination filtered_address = CNoDestination();
    if (!by_label && params.size() > 3) {
        if (!IsValidDestinationString(params[3].get_str())) {
            throw JSONRPCError(RPC_WALLET_ERROR, "address_filter parameter was invalid");
        }
        filtered_address = DecodeDestination(params[3].get_str());
        has_filtered_address = true;
    }

    // Tally
    std::map<CTxDestination, tallyitem> mapTally;
    for (const std::pair<const uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
        const CWalletTx& wtx = pairWtx.second;

        if (wtx.IsCoinBase() || !CheckFinalTx(*wtx.tx))
            continue;

        int nDepth = wtx.GetDepthInMainChain();
        if (nDepth < nMinDepth)
            continue;

        for (const CTxOut& txout : wtx.tx->vout)
        {
            CTxDestination address;
            if (!ExtractDestination(txout.scriptPubKey, address))
                continue;

            if (has_filtered_address && !(filtered_address == address)) {
                continue;
            }

            isminefilter mine = IsMine(*pwallet, address);
            if(!(mine & filter))
                continue;

            tallyitem& item = mapTally[address];
            item.nAmount += txout.nValue;
            item.nConf = std::min(item.nConf, nDepth);
            item.txids.push_back(wtx.GetHash());
            if (mine & ISMINE_WATCH_ONLY)
                item.fIsWatchonly = true;
        }
    }

    // Reply
    UniValue ret(UniValue::VARR);
    std::map<std::string, tallyitem> label_tally;

    // Create mapAddressBook iterator
    // If we aren't filtering, go from begin() to end()
    auto start = pwallet->mapAddressBook.begin();
    auto end = pwallet->mapAddressBook.end();
    // If we are filtering, find() the applicable entry
    if (has_filtered_address) {
        start = pwallet->mapAddressBook.find(filtered_address);
        if (start != end) {
            end = std::next(start);
        }
    }

    for (auto item_it = start; item_it != end; ++item_it)
    {
        const CTxDestination& address = item_it->first;
        const std::string& label = item_it->second.name;
        auto it = mapTally.find(address);
        if (it == mapTally.end() && !fIncludeEmpty)
            continue;

        CAmount nAmount = 0;
        int nConf = std::numeric_limits<int>::max();
        bool fIsWatchonly = false;
        if (it != mapTally.end())
        {
            nAmount = (*it).second.nAmount;
            nConf = (*it).second.nConf;
            fIsWatchonly = (*it).second.fIsWatchonly;
        }

        if (by_label)
        {
            tallyitem& _item = label_tally[label];
            _item.nAmount += nAmount;
            _item.nConf = std::min(_item.nConf, nConf);
            _item.fIsWatchonly = fIsWatchonly;
        }
        else
        {
            UniValue obj(UniValue::VOBJ);
            if(fIsWatchonly)
                obj.pushKV("involvesWatchonly", true);
            obj.pushKV("address",       EncodeDestination(address));
            obj.pushKV("account",       label);
            obj.pushKV("amount",        ValueFromAmount(nAmount));
            obj.pushKV("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf));
            obj.pushKV("label", label);
            UniValue transactions(UniValue::VARR);
            if (it != mapTally.end())
            {
                for (const uint256& _item : (*it).second.txids)
                {
                    transactions.push_back(_item.GetHex());
                }
            }
            obj.pushKV("txids", transactions);
            ret.push_back(obj);
        }
    }

    if (by_label)
    {
        for (const auto& entry : label_tally)
        {
            CAmount nAmount = entry.second.nAmount;
            int nConf = entry.second.nConf;
            UniValue obj(UniValue::VOBJ);
            if (entry.second.fIsWatchonly)
                obj.pushKV("involvesWatchonly", true);
            obj.pushKV("account",       entry.first);
            obj.pushKV("amount",        ValueFromAmount(nAmount));
            obj.pushKV("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf));
            obj.pushKV("label",         entry.first);
            ret.push_back(obj);
        }
    }

    return ret;
}

static UniValue listreceivedbyaddress(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 4)
        throw std::runtime_error(
            "listreceivedbyaddress ( minconf include_empty include_watchonly address_filter )\n"
            "\nList balances by receiving address.\n"
            "\nArguments:\n"
            "1. minconf           (numeric, optional, default=1) The minimum number of confirmations before payments are included.\n"
            "2. include_empty     (bool, optional, default=false) Whether to include addresses that haven't received any payments.\n"
            "3. include_watchonly (bool, optional, default=false) Whether to include watch-only addresses (see 'importaddress').\n"
            "4. address_filter    (string, optional) If present, only return information on this address.\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"involvesWatchonly\" : true,        (bool) Only returned if imported addresses were involved in transaction\n"
            "    \"address\" : \"receivingaddress\",  (string) The receiving address\n"
            "    \"account\" : \"accountname\",       (string) DEPRECATED. Backwards compatible alias for label.\n"
            "    \"amount\" : x.xxx,                  (numeric) The total amount in " + CURRENCY_UNIT + " received by the address\n"
            "    \"confirmations\" : n,               (numeric) The number of confirmations of the most recent transaction included\n"
            "    \"label\" : \"label\",               (string) The label of the receiving address. The default label is \"\".\n"
            "    \"txids\": [\n"
            "       \"txid\",                         (string) The ids of transactions received with the address \n"
            "       ...\n"
            "    ]\n"
            "  }\n"
            "  ,...\n"
            "]\n"

            "\nExamples:\n"
            + HelpExampleCli("listreceivedbyaddress", "")
            + HelpExampleCli("listreceivedbyaddress", "6 true")
            + HelpExampleRpc("listreceivedbyaddress", "6, true, true")
            + HelpExampleRpc("listreceivedbyaddress", "6, true, true, \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    return ListReceived(pwallet, request.params, false);
}

static UniValue listreceivedbylabel(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts") && request.strMethod == "listreceivedbyaccount") {
        if (request.fHelp) {
            throw std::runtime_error("listreceivedbyaccount (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "listreceivedbyaccount is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() > 3)
        throw std::runtime_error(
            "listreceivedbylabel ( minconf include_empty include_watchonly)\n"
            "\nList received transactions by label.\n"
            "\nArguments:\n"
            "1. minconf           (numeric, optional, default=1) The minimum number of confirmations before payments are included.\n"
            "2. include_empty     (bool, optional, default=false) Whether to include labels that haven't received any payments.\n"
            "3. include_watchonly (bool, optional, default=false) Whether to include watch-only addresses (see 'importaddress').\n"

            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"involvesWatchonly\" : true,   (bool) Only returned if imported addresses were involved in transaction\n"
            "    \"account\" : \"accountname\",  (string) DEPRECATED. Backwards compatible alias for label.\n"
            "    \"amount\" : x.xxx,             (numeric) The total amount received by addresses with this label\n"
            "    \"confirmations\" : n,          (numeric) The number of confirmations of the most recent transaction included\n"
            "    \"label\" : \"label\"           (string) The label of the receiving address. The default label is \"\".\n"
            "  }\n"
            "  ,...\n"
            "]\n"

            "\nExamples:\n"
            + HelpExampleCli("listreceivedbylabel", "")
            + HelpExampleCli("listreceivedbylabel", "6 true")
            + HelpExampleRpc("listreceivedbylabel", "6, true, true")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    return ListReceived(pwallet, request.params, true);
}

static void MaybePushAddress(UniValue & entry, const CTxDestination &dest)
{
    if (IsValidDestination(dest)) {
        entry.pushKV("address", EncodeDestination(dest));
    }
}

/**
 * List transactions based on the given criteria.
 *
 * @param  pwallet    The wallet.
 * @param  wtx        The wallet transaction.
 * @param  strAccount The account, if any, or "*" for all.
 * @param  nMinDepth  The minimum confirmation depth.
 * @param  fLong      Whether to include the JSON version of the transaction.
 * @param  ret        The UniValue into which the result is stored.
 * @param  filter     The "is mine" filter bool.
 */
static void ListTransactions(CWallet* const pwallet, const CWalletTx& wtx, const std::string& strAccount, int nMinDepth, bool fLong, UniValue& ret, const isminefilter& filter)
{
    CAmount nFee;
    std::string strSentAccount;
    std::list<COutputEntry> listReceived;
    std::list<COutputEntry> listSent;

    wtx.GetAmounts(listReceived, listSent, nFee, strSentAccount, filter);

    bool fAllAccounts = (strAccount == std::string("*"));
    bool involvesWatchonly = wtx.IsFromMe(ISMINE_WATCH_ONLY);

    // Sent
    if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
    {
        for (const COutputEntry& s : listSent)
        {
            UniValue entry(UniValue::VOBJ);
            if (involvesWatchonly || (::IsMine(*pwallet, s.destination) & ISMINE_WATCH_ONLY)) {
                entry.pushKV("involvesWatchonly", true);
            }
            if (IsDeprecatedRPCEnabled("accounts")) entry.pushKV("account", strSentAccount);
            MaybePushAddress(entry, s.destination);
            entry.pushKV("category", "send");
            entry.pushKV("amount", ValueFromAmount(-s.amount));
            if (pwallet->mapAddressBook.count(s.destination)) {
                entry.pushKV("label", pwallet->mapAddressBook[s.destination].name);
            }
            entry.pushKV("vout", s.vout);
            entry.pushKV("fee", ValueFromAmount(-nFee));
            if (fLong)
                WalletTxToJSON(wtx, entry);
            entry.pushKV("abandoned", wtx.isAbandoned());
            ret.push_back(entry);
        }
    }

    // Received
    if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
    {
        for (const COutputEntry& r : listReceived)
        {
            std::string account;
            if (pwallet->mapAddressBook.count(r.destination)) {
                account = pwallet->mapAddressBook[r.destination].name;
            }
            if (fAllAccounts || (account == strAccount))
            {
                UniValue entry(UniValue::VOBJ);
                if (involvesWatchonly || (::IsMine(*pwallet, r.destination) & ISMINE_WATCH_ONLY)) {
                    entry.pushKV("involvesWatchonly", true);
                }
                if (IsDeprecatedRPCEnabled("accounts")) entry.pushKV("account", account);
                MaybePushAddress(entry, r.destination);
                if (wtx.IsCoinBase())
                {
                    if (wtx.GetDepthInMainChain() < 1)
                        entry.pushKV("category", "orphan");
                    else if (wtx.GetBlocksToMaturity() > 0)
                        entry.pushKV("category", "immature");
                    else
                        entry.pushKV("category", "generate");
                }
                else
                {
                    entry.pushKV("category", "receive");
                }
                entry.pushKV("amount", ValueFromAmount(r.amount));
                if (pwallet->mapAddressBook.count(r.destination)) {
                    entry.pushKV("label", account);
                }
                entry.pushKV("vout", r.vout);
                if (fLong)
                    WalletTxToJSON(wtx, entry);
                ret.push_back(entry);
            }
        }
    }
}

static void AcentryToJSON(const CAccountingEntry& acentry, const std::string& strAccount, UniValue& ret)
{
    bool fAllAccounts = (strAccount == std::string("*"));

    if (fAllAccounts || acentry.strAccount == strAccount)
    {
        UniValue entry(UniValue::VOBJ);
        entry.pushKV("account", acentry.strAccount);
        entry.pushKV("category", "move");
        entry.pushKV("time", acentry.nTime);
        entry.pushKV("amount", ValueFromAmount(acentry.nCreditDebit));
        if (IsDeprecatedRPCEnabled("accounts")) entry.pushKV("otheraccount", acentry.strOtherAccount);
        entry.pushKV("comment", acentry.strComment);
        ret.push_back(entry);
    }
}

UniValue listtransactions(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    std::string help_text {};
    if (!IsDeprecatedRPCEnabled("accounts")) {
        help_text = "listtransactions (dummy count skip include_watchonly)\n"
            "\nReturns up to 'count' most recent transactions skipping the first 'from' transactions for account 'account'.\n"
            "Note that the \"account\" argument and \"otheraccount\" return value have been removed in V0.17. To use this RPC with an \"account\" argument, restart\n"
            "bitcoind with -deprecatedrpc=accounts\n"
            "\nArguments:\n"
            "1. \"dummy\"    (string, optional) If set, should be \"*\" for backwards compatibility.\n"
            "2. count          (numeric, optional, default=10) The number of transactions to return\n"
            "3. skip           (numeric, optional, default=0) The number of transactions to skip\n"
            "4. include_watchonly (bool, optional, default=false) Include transactions to watch-only addresses (see 'importaddress')\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"address\":\"address\",    (string) The bitcoin address of the transaction.\n"
            "    \"category\":\"send|receive\", (string) The transaction category.\n"
            "    \"amount\": x.xxx,          (numeric) The amount in " + CURRENCY_UNIT + ". This is negative for the 'send' category, and is positive\n"
            "                                        for the 'receive' category,\n"
            "    \"label\": \"label\",       (string) A comment for the address/transaction, if any\n"
            "    \"vout\": n,                (numeric) the vout value\n"
            "    \"fee\": x.xxx,             (numeric) The amount of the fee in " + CURRENCY_UNIT + ". This is negative and only available for the \n"
            "                                         'send' category of transactions.\n"
            "    \"confirmations\": n,       (numeric) The number of confirmations for the transaction. Negative confirmations indicate the\n"
            "                                         transaction conflicts with the block chain\n"
            "    \"trusted\": xxx,           (bool) Whether we consider the outputs of this unconfirmed transaction safe to spend.\n"
            "    \"blockhash\": \"hashvalue\", (string) The block hash containing the transaction.\n"
            "    \"blockindex\": n,          (numeric) The index of the transaction in the block that includes it.\n"
            "    \"blocktime\": xxx,         (numeric) The block time in seconds since epoch (1 Jan 1970 GMT).\n"
            "    \"txid\": \"transactionid\", (string) The transaction id.\n"
            "    \"time\": xxx,              (numeric) The transaction time in seconds since epoch (midnight Jan 1 1970 GMT).\n"
            "    \"timereceived\": xxx,      (numeric) The time received in seconds since epoch (midnight Jan 1 1970 GMT).\n"
            "    \"comment\": \"...\",       (string) If a comment is associated with the transaction.\n"
            "    \"bip125-replaceable\": \"yes|no|unknown\",  (string) Whether this transaction could be replaced due to BIP125 (replace-by-fee);\n"
            "                                                     may be unknown for unconfirmed transactions not in the mempool\n"
            "    \"abandoned\": xxx          (bool) 'true' if the transaction has been abandoned (inputs are respendable). Only available for the \n"
            "                                         'send' category of transactions.\n"
            "  }\n"
            "]\n"

            "\nExamples:\n"
            "\nList the most recent 10 transactions in the systems\n"
            + HelpExampleCli("listtransactions", "") +
            "\nList transactions 100 to 120\n"
            + HelpExampleCli("listtransactions", "\"*\" 20 100") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("listtransactions", "\"*\", 20, 100");
    } else {
        help_text = "listtransactions ( \"account\" count skip include_watchonly)\n"
            "\nReturns up to 'count' most recent transactions skipping the first 'from' transactions for account 'account'.\n"
            "\nArguments:\n"
            "1. \"account\"    (string, optional) DEPRECATED. This argument will be removed in V0.18. The account name. Should be \"*\".\n"
            "2. count          (numeric, optional, default=10) The number of transactions to return\n"
            "3. skip           (numeric, optional, default=0) The number of transactions to skip\n"
            "4. include_watchonly (bool, optional, default=false) Include transactions to watch-only addresses (see 'importaddress')\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"account\":\"accountname\",       (string) DEPRECATED. This field will be removed in V0.18. The account name associated with the transaction. \n"
            "                                                It will be \"\" for the default account.\n"
            "    \"address\":\"address\",    (string) The bitcoin address of the transaction. Not present for \n"
            "                                                move transactions (category = move).\n"
            "    \"category\":\"send|receive|move\", (string) The transaction category. 'move' is a local (off blockchain)\n"
            "                                                transaction between accounts, and not associated with an address,\n"
            "                                                transaction id or block. 'send' and 'receive' transactions are \n"
            "                                                associated with an address, transaction id and block details\n"
            "    \"amount\": x.xxx,          (numeric) The amount in " + CURRENCY_UNIT + ". This is negative for the 'send' category, and for the\n"
            "                                         'move' category for moves outbound. It is positive for the 'receive' category,\n"
            "                                         and for the 'move' category for inbound funds.\n"
            "    \"label\": \"label\",       (string) A comment for the address/transaction, if any\n"
            "    \"vout\": n,                (numeric) the vout value\n"
            "    \"fee\": x.xxx,             (numeric) The amount of the fee in " + CURRENCY_UNIT + ". This is negative and only available for the \n"
            "                                         'send' category of transactions.\n"
            "    \"confirmations\": n,       (numeric) The number of confirmations for the transaction. Available for 'send' and \n"
            "                                         'receive' category of transactions. Negative confirmations indicate the\n"
            "                                         transaction conflicts with the block chain\n"
            "    \"trusted\": xxx,           (bool) Whether we consider the outputs of this unconfirmed transaction safe to spend.\n"
            "    \"blockhash\": \"hashvalue\", (string) The block hash containing the transaction. Available for 'send' and 'receive'\n"
            "                                          category of transactions.\n"
            "    \"blockindex\": n,          (numeric) The index of the transaction in the block that includes it. Available for 'send' and 'receive'\n"
            "                                          category of transactions.\n"
            "    \"blocktime\": xxx,         (numeric) The block time in seconds since epoch (1 Jan 1970 GMT).\n"
            "    \"txid\": \"transactionid\", (string) The transaction id. Available for 'send' and 'receive' category of transactions.\n"
            "    \"time\": xxx,              (numeric) The transaction time in seconds since epoch (midnight Jan 1 1970 GMT).\n"
            "    \"timereceived\": xxx,      (numeric) The time received in seconds since epoch (midnight Jan 1 1970 GMT). Available \n"
            "                                          for 'send' and 'receive' category of transactions.\n"
            "    \"comment\": \"...\",       (string) If a comment is associated with the transaction.\n"
            "    \"otheraccount\": \"accountname\",  (string) DEPRECATED. This field will be removed in V0.18. For the 'move' category of transactions, the account the funds came \n"
            "                                          from (for receiving funds, positive amounts), or went to (for sending funds,\n"
            "                                          negative amounts).\n"
            "    \"bip125-replaceable\": \"yes|no|unknown\",  (string) Whether this transaction could be replaced due to BIP125 (replace-by-fee);\n"
            "                                                     may be unknown for unconfirmed transactions not in the mempool\n"
            "    \"abandoned\": xxx          (bool) 'true' if the transaction has been abandoned (inputs are respendable). Only available for the \n"
            "                                         'send' category of transactions.\n"
            "  }\n"
            "]\n"

            "\nExamples:\n"
            "\nList the most recent 10 transactions in the systems\n"
            + HelpExampleCli("listtransactions", "") +
            "\nList transactions 100 to 120\n"
            + HelpExampleCli("listtransactions", "\"*\" 20 100") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("listtransactions", "\"*\", 20, 100");
    }
    if (request.fHelp || request.params.size() > 4) throw std::runtime_error(help_text);

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    std::string strAccount = "*";
    if (!request.params[0].isNull()) {
        strAccount = request.params[0].get_str();
        if (!IsDeprecatedRPCEnabled("accounts") && strAccount != "*") {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Dummy value must be set to \"*\"");
        }
    }
    int nCount = 10;
    if (!request.params[1].isNull())
        nCount = request.params[1].get_int();
    int nFrom = 0;
    if (!request.params[2].isNull())
        nFrom = request.params[2].get_int();
    isminefilter filter = ISMINE_SPENDABLE;
    if(!request.params[3].isNull())
        if(request.params[3].get_bool())
            filter = filter | ISMINE_WATCH_ONLY;

    if (nCount < 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative count");
    if (nFrom < 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative from");

    UniValue ret(UniValue::VARR);

    {
        LOCK2(cs_main, pwallet->cs_wallet);

        const CWallet::TxItems & txOrdered = pwallet->wtxOrdered;

        // iterate backwards until we have nCount items to return:
        for (CWallet::TxItems::const_reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
        {
            CWalletTx *const pwtx = (*it).second.first;
            if (pwtx != nullptr)
                ListTransactions(pwallet, *pwtx, strAccount, 0, true, ret, filter);
            if (IsDeprecatedRPCEnabled("accounts")) {
                CAccountingEntry *const pacentry = (*it).second.second;
                if (pacentry != nullptr) AcentryToJSON(*pacentry, strAccount, ret);
            }

            if ((int)ret.size() >= (nCount+nFrom)) break;
        }
    }

    // ret is newest to oldest

    if (nFrom > (int)ret.size())
        nFrom = ret.size();
    if ((nFrom + nCount) > (int)ret.size())
        nCount = ret.size() - nFrom;

    std::vector<UniValue> arrTmp = ret.getValues();

    std::vector<UniValue>::iterator first = arrTmp.begin();
    std::advance(first, nFrom);
    std::vector<UniValue>::iterator last = arrTmp.begin();
    std::advance(last, nFrom+nCount);

    if (last != arrTmp.end()) arrTmp.erase(last, arrTmp.end());
    if (first != arrTmp.begin()) arrTmp.erase(arrTmp.begin(), first);

    std::reverse(arrTmp.begin(), arrTmp.end()); // Return oldest to newest

    ret.clear();
    ret.setArray();
    ret.push_backV(arrTmp);

    return ret;
}

static UniValue listaccounts(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (!IsDeprecatedRPCEnabled("accounts")) {
        if (request.fHelp) {
            throw std::runtime_error("listaccounts (Deprecated, will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts)");
        }
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "listaccounts is deprecated and will be removed in V0.18. To use this command, start bitcoind with -deprecatedrpc=accounts.");
    }

    if (request.fHelp || request.params.size() > 2)
        throw std::runtime_error(
            "listaccounts ( minconf include_watchonly)\n"
            "\nDEPRECATED. Returns Object that has account names as keys, account balances as values.\n"
            "\nArguments:\n"
            "1. minconf             (numeric, optional, default=1) Only include transactions with at least this many confirmations\n"
            "2. include_watchonly   (bool, optional, default=false) Include balances in watch-only addresses (see 'importaddress')\n"
            "\nResult:\n"
            "{                      (json object where keys are account names, and values are numeric balances\n"
            "  \"account\": x.xxx,  (numeric) The property name is the account name, and the value is the total balance for the account.\n"
            "  ...\n"
            "}\n"
            "\nExamples:\n"
            "\nList account balances where there at least 1 confirmation\n"
            + HelpExampleCli("listaccounts", "") +
            "\nList account balances including zero confirmation transactions\n"
            + HelpExampleCli("listaccounts", "0") +
            "\nList account balances for 6 or more confirmations\n"
            + HelpExampleCli("listaccounts", "6") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("listaccounts", "6")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    int nMinDepth = 1;
    if (!request.params[0].isNull())
        nMinDepth = request.params[0].get_int();
    isminefilter includeWatchonly = ISMINE_SPENDABLE;
    if(!request.params[1].isNull())
        if(request.params[1].get_bool())
            includeWatchonly = includeWatchonly | ISMINE_WATCH_ONLY;

    std::map<std::string, CAmount> mapAccountBalances;
    for (const std::pair<const CTxDestination, CAddressBookData>& entry : pwallet->mapAddressBook) {
        if (IsMine(*pwallet, entry.first) & includeWatchonly) {  // This address belongs to me
            mapAccountBalances[entry.second.name] = 0;
        }
    }

    for (const std::pair<const uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
        const CWalletTx& wtx = pairWtx.second;
        CAmount nFee;
        std::string strSentAccount;
        std::list<COutputEntry> listReceived;
        std::list<COutputEntry> listSent;
        int nDepth = wtx.GetDepthInMainChain();
        if (wtx.GetBlocksToMaturity() > 0 || nDepth < 0)
            continue;
        wtx.GetAmounts(listReceived, listSent, nFee, strSentAccount, includeWatchonly);
        mapAccountBalances[strSentAccount] -= nFee;
        for (const COutputEntry& s : listSent)
            mapAccountBalances[strSentAccount] -= s.amount;
        if (nDepth >= nMinDepth)
        {
            for (const COutputEntry& r : listReceived)
                if (pwallet->mapAddressBook.count(r.destination)) {
                    mapAccountBalances[pwallet->mapAddressBook[r.destination].name] += r.amount;
                }
                else
                    mapAccountBalances[""] += r.amount;
        }
    }

    const std::list<CAccountingEntry>& acentries = pwallet->laccentries;
    for (const CAccountingEntry& entry : acentries)
        mapAccountBalances[entry.strAccount] += entry.nCreditDebit;

    UniValue ret(UniValue::VOBJ);
    for (const std::pair<const std::string, CAmount>& accountBalance : mapAccountBalances) {
        ret.pushKV(accountBalance.first, ValueFromAmount(accountBalance.second));
    }
    return ret;
}

static UniValue listsinceblock(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 4)
        throw std::runtime_error(
            "listsinceblock ( \"blockhash\" target_confirmations include_watchonly include_removed )\n"
            "\nGet all transactions in blocks since block [blockhash], or all transactions if omitted.\n"
            "If \"blockhash\" is no longer a part of the main chain, transactions from the fork point onward are included.\n"
            "Additionally, if include_removed is set, transactions affecting the wallet which were removed are returned in the \"removed\" array.\n"
            "\nArguments:\n"
            "1. \"blockhash\"            (string, optional) The block hash to list transactions since\n"
            "2. target_confirmations:    (numeric, optional, default=1) Return the nth block hash from the main chain. e.g. 1 would mean the best block hash. Note: this is not used as a filter, but only affects [lastblock] in the return value\n"
            "3. include_watchonly:       (bool, optional, default=false) Include transactions to watch-only addresses (see 'importaddress')\n"
            "4. include_removed:         (bool, optional, default=true) Show transactions that were removed due to a reorg in the \"removed\" array\n"
            "                                                           (not guaranteed to work on pruned nodes)\n"
            "\nResult:\n"
            "{\n"
            "  \"transactions\": [\n"
            "    \"account\":\"accountname\",       (string) DEPRECATED. This field will be removed in V0.18. To see this deprecated field, start bitcoind with -deprecatedrpc=accounts. The account name associated with the transaction. Will be \"\" for the default account.\n"
            "    \"address\":\"address\",    (string) The bitcoin address of the transaction. Not present for move transactions (category = move).\n"
            "    \"category\":\"send|receive\",     (string) The transaction category. 'send' has negative amounts, 'receive' has positive amounts.\n"
            "    \"amount\": x.xxx,          (numeric) The amount in " + CURRENCY_UNIT + ". This is negative for the 'send' category, and for the 'move' category for moves \n"
            "                                          outbound. It is positive for the 'receive' category, and for the 'move' category for inbound funds.\n"
            "    \"vout\" : n,               (numeric) the vout value\n"
            "    \"fee\": x.xxx,             (numeric) The amount of the fee in " + CURRENCY_UNIT + ". This is negative and only available for the 'send' category of transactions.\n"
            "    \"confirmations\": n,       (numeric) The number of confirmations for the transaction. Available for 'send' and 'receive' category of transactions.\n"
            "                                          When it's < 0, it means the transaction conflicted that many blocks ago.\n"
            "    \"blockhash\": \"hashvalue\",     (string) The block hash containing the transaction. Available for 'send' and 'receive' category of transactions.\n"
            "    \"blockindex\": n,          (numeric) The index of the transaction in the block that includes it. Available for 'send' and 'receive' category of transactions.\n"
            "    \"blocktime\": xxx,         (numeric) The block time in seconds since epoch (1 Jan 1970 GMT).\n"
            "    \"txid\": \"transactionid\",  (string) The transaction id. Available for 'send' and 'receive' category of transactions.\n"
            "    \"time\": xxx,              (numeric) The transaction time in seconds since epoch (Jan 1 1970 GMT).\n"
            "    \"timereceived\": xxx,      (numeric) The time received in seconds since epoch (Jan 1 1970 GMT). Available for 'send' and 'receive' category of transactions.\n"
            "    \"bip125-replaceable\": \"yes|no|unknown\",  (string) Whether this transaction could be replaced due to BIP125 (replace-by-fee);\n"
            "                                                   may be unknown for unconfirmed transactions not in the mempool\n"
            "    \"abandoned\": xxx,         (bool) 'true' if the transaction has been abandoned (inputs are respendable). Only available for the 'send' category of transactions.\n"
            "    \"comment\": \"...\",       (string) If a comment is associated with the transaction.\n"
            "    \"label\" : \"label\"       (string) A comment for the address/transaction, if any\n"
            "    \"to\": \"...\",            (string) If a comment to is associated with the transaction.\n"
            "  ],\n"
            "  \"removed\": [\n"
            "    <structure is the same as \"transactions\" above, only present if include_removed=true>\n"
            "    Note: transactions that were re-added in the active chain will appear as-is in this array, and may thus have a positive confirmation count.\n"
            "  ],\n"
            "  \"lastblock\": \"lastblockhash\"     (string) The hash of the block (target_confirmations-1) from the best block on the main chain. This is typically used to feed back into listsinceblock the next time you call it. So you would generally use a target_confirmations of say 6, so you will be continually re-notified of transactions until they've reached 6 confirmations plus any new ones\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("listsinceblock", "")
            + HelpExampleCli("listsinceblock", "\"000000000000000bacf66f7497b7dc45ef753ee9a7d38571037cdb1a57f663ad\" 6")
            + HelpExampleRpc("listsinceblock", "\"000000000000000bacf66f7497b7dc45ef753ee9a7d38571037cdb1a57f663ad\", 6")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    const CBlockIndex* pindex = nullptr;    // Block index of the specified block or the common ancestor, if the block provided was in a deactivated chain.
    const CBlockIndex* paltindex = nullptr; // Block index of the specified block, even if it's in a deactivated chain.
    int target_confirms = 1;
    isminefilter filter = ISMINE_SPENDABLE;

    if (!request.params[0].isNull() && !request.params[0].get_str().empty()) {
        uint256 blockId;

        blockId.SetHex(request.params[0].get_str());
        paltindex = pindex = LookupBlockIndex(blockId);
        if (!pindex) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
        }
        if (chainActive[pindex->nHeight] != pindex) {
            // the block being asked for is a part of a deactivated chain;
            // we don't want to depend on its perceived height in the block
            // chain, we want to instead use the last common ancestor
            pindex = chainActive.FindFork(pindex);
        }
    }

    if (!request.params[1].isNull()) {
        target_confirms = request.params[1].get_int();

        if (target_confirms < 1) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
        }
    }

    if (!request.params[2].isNull() && request.params[2].get_bool()) {
        filter = filter | ISMINE_WATCH_ONLY;
    }

    bool include_removed = (request.params[3].isNull() || request.params[3].get_bool());

    int depth = pindex ? (1 + chainActive.Height() - pindex->nHeight) : -1;

    UniValue transactions(UniValue::VARR);

    for (const std::pair<const uint256, CWalletTx>& pairWtx : pwallet->mapWallet) {
        CWalletTx tx = pairWtx.second;

        if (depth == -1 || tx.GetDepthInMainChain() < depth) {
            ListTransactions(pwallet, tx, "*", 0, true, transactions, filter);
        }
    }

    // when a reorg'd block is requested, we also list any relevant transactions
    // in the blocks of the chain that was detached
    UniValue removed(UniValue::VARR);
    while (include_removed && paltindex && paltindex != pindex) {
        CBlock block;
        if (!ReadBlockFromDisk(block, paltindex, Params().GetConsensus())) {
            throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
        }
        for (const CTransactionRef& tx : block.vtx) {
            auto it = pwallet->mapWallet.find(tx->GetHash());
            if (it != pwallet->mapWallet.end()) {
                // We want all transactions regardless of confirmation count to appear here,
                // even negative confirmation ones, hence the big negative.
                ListTransactions(pwallet, it->second, "*", -100000000, true, removed, filter);
            }
        }
        paltindex = paltindex->pprev;
    }

    CBlockIndex *pblockLast = chainActive[chainActive.Height() + 1 - target_confirms];
    uint256 lastblock = pblockLast ? pblockLast->GetBlockHash() : uint256();

    UniValue ret(UniValue::VOBJ);
    ret.pushKV("transactions", transactions);
    if (include_removed) ret.pushKV("removed", removed);
    ret.pushKV("lastblock", lastblock.GetHex());

    return ret;
}

static UniValue gettransaction(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
        throw std::runtime_error(
            "gettransaction \"txid\" ( include_watchonly )\n"
            "\nGet detailed information about in-wallet transaction <txid>\n"
            "\nArguments:\n"
            "1. \"txid\"                  (string, required) The transaction id\n"
            "2. \"include_watchonly\"     (bool, optional, default=false) Whether to include watch-only addresses in balance calculation and details[]\n"
            "\nResult:\n"
            "{\n"
            "  \"amount\" : x.xxx,        (numeric) The transaction amount in " + CURRENCY_UNIT + "\n"
            "  \"fee\": x.xxx,            (numeric) The amount of the fee in " + CURRENCY_UNIT + ". This is negative and only available for the \n"
            "                              'send' category of transactions.\n"
            "  \"confirmations\" : n,     (numeric) The number of confirmations\n"
            "  \"blockhash\" : \"hash\",  (string) The block hash\n"
            "  \"blockindex\" : xx,       (numeric) The index of the transaction in the block that includes it\n"
            "  \"blocktime\" : ttt,       (numeric) The time in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"txid\" : \"transactionid\",   (string) The transaction id.\n"
            "  \"time\" : ttt,            (numeric) The transaction time in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"timereceived\" : ttt,    (numeric) The time received in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"bip125-replaceable\": \"yes|no|unknown\",  (string) Whether this transaction could be replaced due to BIP125 (replace-by-fee);\n"
            "                                                   may be unknown for unconfirmed transactions not in the mempool\n"
            "  \"details\" : [\n"
            "    {\n"
            "      \"account\" : \"accountname\",      (string) DEPRECATED. This field will be removed in a V0.18. To see this deprecated field, start bitcoind with -deprecatedrpc=accounts. The account name involved in the transaction, can be \"\" for the default account.\n"
            "      \"address\" : \"address\",          (string) The bitcoin address involved in the transaction\n"
            "      \"category\" : \"send|receive\",    (string) The category, either 'send' or 'receive'\n"
            "      \"amount\" : x.xxx,                 (numeric) The amount in " + CURRENCY_UNIT + "\n"
            "      \"label\" : \"label\",              (string) A comment for the address/transaction, if any\n"
            "      \"vout\" : n,                       (numeric) the vout value\n"
            "      \"fee\": x.xxx,                     (numeric) The amount of the fee in " + CURRENCY_UNIT + ". This is negative and only available for the \n"
            "                                           'send' category of transactions.\n"
            "      \"abandoned\": xxx                  (bool) 'true' if the transaction has been abandoned (inputs are respendable). Only available for the \n"
            "                                           'send' category of transactions.\n"
            "    }\n"
            "    ,...\n"
            "  ],\n"
            "  \"hex\" : \"data\"         (string) Raw data for transaction\n"
            "}\n"

            "\nExamples:\n"
            + HelpExampleCli("gettransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
            + HelpExampleCli("gettransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\" true")
            + HelpExampleRpc("gettransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    uint256 hash;
    hash.SetHex(request.params[0].get_str());

    isminefilter filter = ISMINE_SPENDABLE;
    if(!request.params[1].isNull())
        if(request.params[1].get_bool())
            filter = filter | ISMINE_WATCH_ONLY;

    UniValue entry(UniValue::VOBJ);
    auto it = pwallet->mapWallet.find(hash);
    if (it == pwallet->mapWallet.end()) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
    }
    const CWalletTx& wtx = it->second;

    CAmount nCredit = wtx.GetCredit(filter);
    CAmount nDebit = wtx.GetDebit(filter);
    CAmount nNet = nCredit - nDebit;
    CAmount nFee = (wtx.IsFromMe(filter) ? wtx.tx->GetValueOut() - nDebit : 0);

    entry.pushKV("amount", ValueFromAmount(nNet - nFee));
    if (wtx.IsFromMe(filter))
        entry.pushKV("fee", ValueFromAmount(nFee));

    WalletTxToJSON(wtx, entry);

    UniValue details(UniValue::VARR);
    ListTransactions(pwallet, wtx, "*", 0, false, details, filter);
    entry.pushKV("details", details);

    std::string strHex = EncodeHexTx(*wtx.tx, RPCSerializationFlags());
    entry.pushKV("hex", strHex);

    return entry;
}

static UniValue abandontransaction(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 1) {
        throw std::runtime_error(
            "abandontransaction \"txid\"\n"
            "\nMark in-wallet transaction <txid> as abandoned\n"
            "This will mark this transaction and all its in-wallet descendants as abandoned which will allow\n"
            "for their inputs to be respent.  It can be used to replace \"stuck\" or evicted transactions.\n"
            "It only works on transactions which are not included in a block and are not currently in the mempool.\n"
            "It has no effect on transactions which are already abandoned.\n"
            "\nArguments:\n"
            "1. \"txid\"    (string, required) The transaction id\n"
            "\nResult:\n"
            "\nExamples:\n"
            + HelpExampleCli("abandontransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
            + HelpExampleRpc("abandontransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
        );
    }

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    uint256 hash;
    hash.SetHex(request.params[0].get_str());

    if (!pwallet->mapWallet.count(hash)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
    }
    if (!pwallet->AbandonTransaction(hash)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not eligible for abandonment");
    }

    return NullUniValue;
}


static UniValue backupwallet(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "backupwallet \"destination\"\n"
            "\nSafely copies current wallet file to destination, which can be a directory or a path with filename.\n"
            "\nArguments:\n"
            "1. \"destination\"   (string) The destination directory or file\n"
            "\nExamples:\n"
            + HelpExampleCli("backupwallet", "\"backup.dat\"")
            + HelpExampleRpc("backupwallet", "\"backup.dat\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    std::string strDest = request.params[0].get_str();
    if (!pwallet->BackupWallet(strDest)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Wallet backup failed!");
    }

    return NullUniValue;
}


static UniValue keypoolrefill(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 1)
        throw std::runtime_error(
            "keypoolrefill ( newsize )\n"
            "\nFills the keypool."
            + HelpRequiringPassphrase(pwallet) + "\n"
            "\nArguments\n"
            "1. newsize     (numeric, optional, default=100) The new keypool size\n"
            "\nExamples:\n"
            + HelpExampleCli("keypoolrefill", "")
            + HelpExampleRpc("keypoolrefill", "")
        );

    if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    // 0 is interpreted by TopUpKeyPool() as the default keypool size given by -keypool
    unsigned int kpSize = 0;
    if (!request.params[0].isNull()) {
        if (request.params[0].get_int() < 0)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected valid size.");
        kpSize = (unsigned int)request.params[0].get_int();
    }

    EnsureWalletIsUnlocked(pwallet);
    pwallet->TopUpKeyPool(kpSize);

    if (pwallet->GetKeyPoolSize() < kpSize) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error refreshing keypool.");
    }

    return NullUniValue;
}


static void LockWallet(CWallet* pWallet)
{
    LOCK(pWallet->cs_wallet);
    pWallet->nRelockTime = 0;
    pWallet->Lock();
}

static UniValue walletpassphrase(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 2) {
        throw std::runtime_error(
            "walletpassphrase \"passphrase\" timeout\n"
            "\nStores the wallet decryption key in memory for 'timeout' seconds.\n"
            "This is needed prior to performing transactions related to private keys such as sending bitcoins\n"
            "\nArguments:\n"
            "1. \"passphrase\"     (string, required) The wallet passphrase\n"
            "2. timeout            (numeric, required) The time to keep the decryption key in seconds; capped at 100000000 (~3 years).\n"
            "\nNote:\n"
            "Issuing the walletpassphrase command while the wallet is already unlocked will set a new unlock\n"
            "time that overrides the old one.\n"
            "\nExamples:\n"
            "\nUnlock the wallet for 60 seconds\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\" 60") +
            "\nLock the wallet again (before 60 seconds)\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("walletpassphrase", "\"my pass phrase\", 60")
        );
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    if (!pwallet->IsCrypted()) {
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
    }

    // Note that the walletpassphrase is stored in request.params[0] which is not mlock()ed
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
    strWalletPass = request.params[0].get_str().c_str();

    // Get the timeout
    int64_t nSleepTime = request.params[1].get_int64();
    // Timeout cannot be negative, otherwise it will relock immediately
    if (nSleepTime < 0) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Timeout cannot be negative.");
    }
    // Clamp timeout
    constexpr int64_t MAX_SLEEP_TIME = 100000000; // larger values trigger a macos/libevent bug?
    if (nSleepTime > MAX_SLEEP_TIME) {
        nSleepTime = MAX_SLEEP_TIME;
    }

    if (strWalletPass.length() > 0)
    {
        if (!pwallet->Unlock(strWalletPass)) {
            throw JSONRPCError(RPC_WALLET_PASSPHRASE_INCORRECT, "Error: The wallet passphrase entered was incorrect.");
        }
    }
    else
        throw std::runtime_error(
            "walletpassphrase <passphrase> <timeout>\n"
            "Stores the wallet decryption key in memory for <timeout> seconds.");

    pwallet->TopUpKeyPool();

    pwallet->nRelockTime = GetTime() + nSleepTime;
    RPCRunLater(strprintf("lockwallet(%s)", pwallet->GetName()), std::bind(LockWallet, pwallet), nSleepTime);

    return NullUniValue;
}


static UniValue walletpassphrasechange(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 2) {
        throw std::runtime_error(
            "walletpassphrasechange \"oldpassphrase\" \"newpassphrase\"\n"
            "\nChanges the wallet passphrase from 'oldpassphrase' to 'newpassphrase'.\n"
            "\nArguments:\n"
            "1. \"oldpassphrase\"      (string) The current passphrase\n"
            "2. \"newpassphrase\"      (string) The new passphrase\n"
            "\nExamples:\n"
            + HelpExampleCli("walletpassphrasechange", "\"old one\" \"new one\"")
            + HelpExampleRpc("walletpassphrasechange", "\"old one\", \"new one\"")
        );
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    if (!pwallet->IsCrypted()) {
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
    }

    // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
    SecureString strOldWalletPass;
    strOldWalletPass.reserve(100);
    strOldWalletPass = request.params[0].get_str().c_str();

    SecureString strNewWalletPass;
    strNewWalletPass.reserve(100);
    strNewWalletPass = request.params[1].get_str().c_str();

    if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
        throw std::runtime_error(
            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");

    if (!pwallet->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass)) {
        throw JSONRPCError(RPC_WALLET_PASSPHRASE_INCORRECT, "Error: The wallet passphrase entered was incorrect.");
    }

    return NullUniValue;
}


static UniValue walletlock(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 0) {
        throw std::runtime_error(
            "walletlock\n"
            "\nRemoves the wallet encryption key from memory, locking the wallet.\n"
            "After calling this method, you will need to call walletpassphrase again\n"
            "before being able to call any methods which require the wallet to be unlocked.\n"
            "\nExamples:\n"
            "\nSet the passphrase for 2 minutes to perform a transaction\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\" 120") +
            "\nPerform a send (requires passphrase set)\n"
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 1.0") +
            "\nClear the passphrase since we are done before 2 minutes is up\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("walletlock", "")
        );
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    if (!pwallet->IsCrypted()) {
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletlock was called.");
    }

    pwallet->Lock();
    pwallet->nRelockTime = 0;

    return NullUniValue;
}


static UniValue encryptwallet(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 1) {
        throw std::runtime_error(
            "encryptwallet \"passphrase\"\n"
            "\nEncrypts the wallet with 'passphrase'. This is for first time encryption.\n"
            "After this, any calls that interact with private keys such as sending or signing \n"
            "will require the passphrase to be set prior the making these calls.\n"
            "Use the walletpassphrase call for this, and then walletlock call.\n"
            "If the wallet is already encrypted, use the walletpassphrasechange call.\n"
            "Note that this will shutdown the server.\n"
            "\nArguments:\n"
            "1. \"passphrase\"    (string) The pass phrase to encrypt the wallet with. It must be at least 1 character, but should be long.\n"
            "\nExamples:\n"
            "\nEncrypt your wallet\n"
            + HelpExampleCli("encryptwallet", "\"my pass phrase\"") +
            "\nNow set the passphrase to use the wallet, such as for signing or sending bitcoin\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\"") +
            "\nNow we can do something like sign\n"
            + HelpExampleCli("signmessage", "\"address\" \"test message\"") +
            "\nNow lock the wallet again by removing the passphrase\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("encryptwallet", "\"my pass phrase\"")
        );
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    if (pwallet->IsCrypted()) {
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an encrypted wallet, but encryptwallet was called.");
    }

    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make request.params[0] mlock()'d to begin with.
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    strWalletPass = request.params[0].get_str().c_str();

    if (strWalletPass.length() < 1)
        throw std::runtime_error(
            "encryptwallet <passphrase>\n"
            "Encrypts the wallet with <passphrase>.");

    if (!pwallet->EncryptWallet(strWalletPass)) {
        throw JSONRPCError(RPC_WALLET_ENCRYPTION_FAILED, "Error: Failed to encrypt the wallet.");
    }

    // BDB seems to have a bad habit of writing old data into
    // slack space in .dat files; that is bad if the old data is
    // unencrypted private keys. So:
    StartShutdown();
    return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet. The keypool has been flushed and a new HD seed was generated (if you are using HD). You need to make a new backup.";
}

static UniValue lockunspent(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
        throw std::runtime_error(
            "lockunspent unlock ([{\"txid\":\"txid\",\"vout\":n},...])\n"
            "\nUpdates list of temporarily unspendable outputs.\n"
            "Temporarily lock (unlock=false) or unlock (unlock=true) specified transaction outputs.\n"
            "If no transaction outputs are specified when unlocking then all current locked transaction outputs are unlocked.\n"
            "A locked transaction output will not be chosen by automatic coin selection, when spending bitcoins.\n"
            "Locks are stored in memory only. Nodes start with zero locked outputs, and the locked output list\n"
            "is always cleared (by virtue of process exit) when a node stops or fails.\n"
            "Also see the listunspent call\n"
            "\nArguments:\n"
            "1. unlock            (boolean, required) Whether to unlock (true) or lock (false) the specified transactions\n"
            "2. \"transactions\"  (string, optional) A json array of objects. Each object the txid (string) vout (numeric)\n"
            "     [           (json array of json objects)\n"
            "       {\n"
            "         \"txid\":\"id\",    (string) The transaction id\n"
            "         \"vout\": n         (numeric) The output number\n"
            "       }\n"
            "       ,...\n"
            "     ]\n"

            "\nResult:\n"
            "true|false    (boolean) Whether the command was successful or not\n"

            "\nExamples:\n"
            "\nList the unspent transactions\n"
            + HelpExampleCli("listunspent", "") +
            "\nLock an unspent transaction\n"
            + HelpExampleCli("lockunspent", "false \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nList the locked transactions\n"
            + HelpExampleCli("listlockunspent", "") +
            "\nUnlock the transaction again\n"
            + HelpExampleCli("lockunspent", "true \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("lockunspent", "false, \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    RPCTypeCheckArgument(request.params[0], UniValue::VBOOL);

    bool fUnlock = request.params[0].get_bool();

    if (request.params[1].isNull()) {
        if (fUnlock)
            pwallet->UnlockAllCoins();
        return true;
    }

    RPCTypeCheckArgument(request.params[1], UniValue::VARR);

    const UniValue& output_params = request.params[1];

    // Create and validate the COutPoints first.

    std::vector<COutPoint> outputs;
    outputs.reserve(output_params.size());

    for (unsigned int idx = 0; idx < output_params.size(); idx++) {
        const UniValue& o = output_params[idx].get_obj();

        RPCTypeCheckObj(o,
            {
                {"txid", UniValueType(UniValue::VSTR)},
                {"vout", UniValueType(UniValue::VNUM)},
            });

        const std::string& txid = find_value(o, "txid").get_str();
        if (!IsHex(txid)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected hex txid");
        }

        const int nOutput = find_value(o, "vout").get_int();
        if (nOutput < 0) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
        }

        const COutPoint outpt(uint256S(txid), nOutput);

        const auto it = pwallet->mapWallet.find(outpt.hash);
        if (it == pwallet->mapWallet.end()) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, unknown transaction");
        }

        const CWalletTx& trans = it->second;

        if (outpt.n >= trans.tx->vout.size()) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout index out of bounds");
        }

        if (pwallet->IsSpent(outpt.hash, outpt.n)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected unspent output");
        }

        const bool is_locked = pwallet->IsLockedCoin(outpt.hash, outpt.n);

        if (fUnlock && !is_locked) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected locked output");
        }

        if (!fUnlock && is_locked) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, output already locked");
        }

        outputs.push_back(outpt);
    }

    // Atomically set (un)locked status for the outputs.
    for (const COutPoint& outpt : outputs) {
        if (fUnlock) pwallet->UnlockCoin(outpt);
        else pwallet->LockCoin(outpt);
    }

    return true;
}

static UniValue listlockunspent(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 0)
        throw std::runtime_error(
            "listlockunspent\n"
            "\nReturns list of temporarily unspendable outputs.\n"
            "See the lockunspent call to lock and unlock transactions for spending.\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"txid\" : \"transactionid\",     (string) The transaction id locked\n"
            "    \"vout\" : n                      (numeric) The vout value\n"
            "  }\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            "\nList the unspent transactions\n"
            + HelpExampleCli("listunspent", "") +
            "\nLock an unspent transaction\n"
            + HelpExampleCli("lockunspent", "false \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nList the locked transactions\n"
            + HelpExampleCli("listlockunspent", "") +
            "\nUnlock the transaction again\n"
            + HelpExampleCli("lockunspent", "true \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("listlockunspent", "")
        );

    LOCK2(cs_main, pwallet->cs_wallet);

    std::vector<COutPoint> vOutpts;
    pwallet->ListLockedCoins(vOutpts);

    UniValue ret(UniValue::VARR);

    for (COutPoint &outpt : vOutpts) {
        UniValue o(UniValue::VOBJ);

        o.pushKV("txid", outpt.hash.GetHex());
        o.pushKV("vout", (int)outpt.n);
        ret.push_back(o);
    }

    return ret;
}

static UniValue settxfee(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 1) {
        throw std::runtime_error(
            "settxfee amount\n"
            "\nSet the transaction fee per kB for this wallet. Overrides the global -paytxfee command line parameter.\n"
            "\nArguments:\n"
            "1. amount         (numeric or string, required) The transaction fee in " + CURRENCY_UNIT + "/kB\n"
            "\nResult\n"
            "true|false        (boolean) Returns true if successful\n"
            "\nExamples:\n"
            + HelpExampleCli("settxfee", "0.00001")
            + HelpExampleRpc("settxfee", "0.00001")
        );
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    CAmount nAmount = AmountFromValue(request.params[0]);

    pwallet->m_pay_tx_fee = CFeeRate(nAmount, 1000);
    return true;
}

static UniValue getwalletinfo(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 0)
        throw std::runtime_error(
            "getwalletinfo\n"
            "Returns an object containing various wallet state info.\n"
            "\nResult:\n"
            "{\n"
            "  \"walletname\": xxxxx,               (string) the wallet name\n"
            "  \"walletversion\": xxxxx,            (numeric) the wallet version\n"
            "  \"balance\": xxxxxxx,                (numeric) the total confirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
            "  \"unconfirmed_balance\": xxx,        (numeric) the total unconfirmed balance of the wallet in " + CURRENCY_UNIT + "\n"
            "  \"immature_balance\": xxxxxx,        (numeric) the total immature balance of the wallet in " + CURRENCY_UNIT + "\n"
            "  \"txcount\": xxxxxxx,                (numeric) the total number of transactions in the wallet\n"
            "  \"keypoololdest\": xxxxxx,           (numeric) the timestamp (seconds since Unix epoch) of the oldest pre-generated key in the key pool\n"
            "  \"keypoolsize\": xxxx,               (numeric) how many new keys are pre-generated (only counts external keys)\n"
            "  \"keypoolsize_hd_internal\": xxxx,   (numeric) how many new keys are pre-generated for internal use (used for change outputs, only appears if the wallet is using this feature, otherwise external keys are used)\n"
            "  \"unlocked_until\": ttt,             (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
            "  \"paytxfee\": x.xxxx,                (numeric) the transaction fee configuration, set in " + CURRENCY_UNIT + "/kB\n"
            "  \"hdseedid\": \"<hash160>\"            (string, optional) the Hash160 of the HD seed (only present when HD is enabled)\n"
            "  \"hdmasterkeyid\": \"<hash160>\"       (string, optional) alias for hdseedid retained for backwards-compatibility. Will be removed in V0.18.\n"
            "  \"private_keys_enabled\": true|false (boolean) false if privatekeys are disabled for this wallet (enforced watch-only wallet)\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getwalletinfo", "")
            + HelpExampleRpc("getwalletinfo", "")
        );

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);

    UniValue obj(UniValue::VOBJ);

    size_t kpExternalSize = pwallet->KeypoolCountExternalKeys();
    obj.pushKV("walletname", pwallet->GetName());
    obj.pushKV("walletversion", pwallet->GetVersion());
    obj.pushKV("balance",       ValueFromAmount(pwallet->GetBalance()));
    obj.pushKV("unconfirmed_balance", ValueFromAmount(pwallet->GetUnconfirmedBalance()));
    obj.pushKV("immature_balance",    ValueFromAmount(pwallet->GetImmatureBalance()));
    obj.pushKV("txcount",       (int)pwallet->mapWallet.size());
    obj.pushKV("keypoololdest", pwallet->GetOldestKeyPoolTime());
    obj.pushKV("keypoolsize", (int64_t)kpExternalSize);
    CKeyID seed_id = pwallet->GetHDChain().seed_id;
    if (!seed_id.IsNull() && pwallet->CanSupportFeature(FEATURE_HD_SPLIT)) {
        obj.pushKV("keypoolsize_hd_internal",   (int64_t)(pwallet->GetKeyPoolSize() - kpExternalSize));
    }
    if (pwallet->IsCrypted()) {
        obj.pushKV("unlocked_until", pwallet->nRelockTime);
    }
    obj.pushKV("paytxfee", ValueFromAmount(pwallet->m_pay_tx_fee.GetFeePerK()));
    if (!seed_id.IsNull()) {
        obj.pushKV("hdseedid", seed_id.GetHex());
        obj.pushKV("hdmasterkeyid", seed_id.GetHex());
    }
    obj.pushKV("private_keys_enabled", !pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
    return obj;
}

static UniValue listwallets(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw std::runtime_error(
            "listwallets\n"
            "Returns a list of currently loaded wallets.\n"
            "For full information on the wallet, use \"getwalletinfo\"\n"
            "\nResult:\n"
            "[                         (json array of strings)\n"
            "  \"walletname\"            (string) the wallet name\n"
            "   ...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("listwallets", "")
            + HelpExampleRpc("listwallets", "")
        );

    UniValue obj(UniValue::VARR);

    for (const std::shared_ptr<CWallet>& wallet : GetWallets()) {
        if (!EnsureWalletIsAvailable(wallet.get(), request.fHelp)) {
            return NullUniValue;
        }

        LOCK(wallet->cs_wallet);

        obj.push_back(wallet->GetName());
    }

    return obj;
}

static UniValue loadwallet(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "loadwallet \"filename\"\n"
            "\nLoads a wallet from a wallet file or directory."
            "\nNote that all wallet command-line options used when starting bitcoind will be"
            "\napplied to the new wallet (eg -zapwallettxes, upgradewallet, rescan, etc).\n"
            "\nArguments:\n"
            "1. \"filename\"    (string, required) The wallet directory or .dat file.\n"
            "\nResult:\n"
            "{\n"
            "  \"name\" :    <wallet_name>,        (string) The wallet name if loaded successfully.\n"
            "  \"warning\" : <warning>,            (string) Warning message if wallet was not loaded cleanly.\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("loadwallet", "\"test.dat\"")
            + HelpExampleRpc("loadwallet", "\"test.dat\"")
        );
    std::string wallet_file = request.params[0].get_str();
    std::string error;

    fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir());
    if (fs::symlink_status(wallet_path).type() == fs::file_not_found) {
        throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Wallet " + wallet_file + " not found.");
    } else if (fs::is_directory(wallet_path)) {
        // The given filename is a directory. Check that there's a wallet.dat file.
        fs::path wallet_dat_file = wallet_path / "wallet.dat";
        if (fs::symlink_status(wallet_dat_file).type() == fs::file_not_found) {
            throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Directory " + wallet_file + " does not contain a wallet.dat file.");
        }
    }

    std::string warning;
    if (!CWallet::Verify(wallet_file, false, error, warning)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet file verification failed: " + error);
    }

    std::shared_ptr<CWallet> const wallet = CWallet::CreateWalletFromFile(wallet_file, fs::absolute(wallet_file, GetWalletDir()));
    if (!wallet) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet loading failed.");
    }
    AddWallet(wallet);

    wallet->postInitProcess();

    UniValue obj(UniValue::VOBJ);
    obj.pushKV("name", wallet->GetName());
    obj.pushKV("warning", warning);

    return obj;
}

static UniValue createwallet(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
        throw std::runtime_error(
            "createwallet \"wallet_name\" ( disable_private_keys )\n"
            "\nCreates and loads a new wallet.\n"
            "\nArguments:\n"
            "1. \"wallet_name\"          (string, required) The name for the new wallet. If this is a path, the wallet will be created at the path location.\n"
            "2. disable_private_keys   (boolean, optional, default: false) Disable the possibility of private keys (only watchonlys are possible in this mode).\n"
            "\nResult:\n"
            "{\n"
            "  \"name\" :    <wallet_name>,        (string) The wallet name if created successfully. If the wallet was created using a full path, the wallet_name will be the full path.\n"
            "  \"warning\" : <warning>,            (string) Warning message if wallet was not loaded cleanly.\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("createwallet", "\"testwallet\"")
            + HelpExampleRpc("createwallet", "\"testwallet\"")
        );
    }
    std::string wallet_name = request.params[0].get_str();
    std::string error;
    std::string warning;

    bool disable_privatekeys = false;
    if (!request.params[1].isNull()) {
        disable_privatekeys = request.params[1].get_bool();
    }

    fs::path wallet_path = fs::absolute(wallet_name, GetWalletDir());
    if (fs::symlink_status(wallet_path).type() != fs::file_not_found) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet " + wallet_name + " already exists.");
    }

    // Wallet::Verify will check if we're trying to create a wallet with a duplication name.
    if (!CWallet::Verify(wallet_name, false, error, warning)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet file verification failed: " + error);
    }

    std::shared_ptr<CWallet> const wallet = CWallet::CreateWalletFromFile(wallet_name, fs::absolute(wallet_name, GetWalletDir()), (disable_privatekeys ? (uint64_t)WALLET_FLAG_DISABLE_PRIVATE_KEYS : 0));
    if (!wallet) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet creation failed.");
    }
    AddWallet(wallet);

    wallet->postInitProcess();

    UniValue obj(UniValue::VOBJ);
    obj.pushKV("name", wallet->GetName());
    obj.pushKV("warning", warning);

    return obj;
}

static UniValue unloadwallet(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() > 1) {
        throw std::runtime_error(
            "unloadwallet ( \"wallet_name\" )\n"
            "Unloads the wallet referenced by the request endpoint otherwise unloads the wallet specified in the argument.\n"
            "Specifying the wallet name on a wallet endpoint is invalid."
            "\nArguments:\n"
            "1. \"wallet_name\"    (string, optional) The name of the wallet to unload.\n"
            "\nExamples:\n"
            + HelpExampleCli("unloadwallet", "wallet_name")
            + HelpExampleRpc("unloadwallet", "wallet_name")
        );
    }

    std::string wallet_name;
    if (GetWalletNameFromJSONRPCRequest(request, wallet_name)) {
        if (!request.params[0].isNull()) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot unload the requested wallet");
        }
    } else {
        wallet_name = request.params[0].get_str();
    }

    std::shared_ptr<CWallet> wallet = GetWallet(wallet_name);
    if (!wallet) {
        throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Requested wallet does not exist or is not loaded");
    }

    // Release the "main" shared pointer and prevent further notifications.
    // Note that any attempt to load the same wallet would fail until the wallet
    // is destroyed (see CheckUniqueFileid).
    if (!RemoveWallet(wallet)) {
        throw JSONRPCError(RPC_MISC_ERROR, "Requested wallet already unloaded");
    }
    UnregisterValidationInterface(wallet.get());

    // The wallet can be in use so it's not possible to explicitly unload here.
    // Just notify the unload intent so that all shared pointers are released.
    // The wallet will be destroyed once the last shared pointer is released.
    wallet->NotifyUnload();

    // There's no point in waiting for the wallet to unload.
    // At this point this method should never fail. The unloading could only
    // fail due to an unexpected error which would cause a process termination.

    return NullUniValue;
}

static UniValue resendwallettransactions(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 0)
        throw std::runtime_error(
            "resendwallettransactions\n"
            "Immediately re-broadcast unconfirmed wallet transactions to all peers.\n"
            "Intended only for testing; the wallet code periodically re-broadcasts\n"
            "automatically.\n"
            "Returns an RPC error if -walletbroadcast is set to false.\n"
            "Returns array of transaction ids that were re-broadcast.\n"
            );

    if (!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    LOCK2(cs_main, pwallet->cs_wallet);

    if (!pwallet->GetBroadcastTransactions()) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Wallet transaction broadcasting is disabled with -walletbroadcast");
    }

    std::vector<uint256> txids = pwallet->ResendWalletTransactionsBefore(GetTime(), g_connman.get());
    UniValue result(UniValue::VARR);
    for (const uint256& txid : txids)
    {
        result.push_back(txid.ToString());
    }
    return result;
}

static UniValue listunspent(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 5)
        throw std::runtime_error(
            "listunspent ( minconf maxconf  [\"addresses\",...] [include_unsafe] [query_options])\n"
            "\nReturns array of unspent transaction outputs\n"
            "with between minconf and maxconf (inclusive) confirmations.\n"
            "Optionally filter to only include txouts paid to specified addresses.\n"
            "\nArguments:\n"
            "1. minconf          (numeric, optional, default=1) The minimum confirmations to filter\n"
            "2. maxconf          (numeric, optional, default=9999999) The maximum confirmations to filter\n"
            "3. \"addresses\"      (string) A json array of bitcoin addresses to filter\n"
            "    [\n"
            "      \"address\"     (string) bitcoin address\n"
            "      ,...\n"
            "    ]\n"
            "4. include_unsafe (bool, optional, default=true) Include outputs that are not safe to spend\n"
            "                  See description of \"safe\" attribute below.\n"
            "5. query_options    (json, optional) JSON with query options\n"
            "    {\n"
            "      \"minimumAmount\"    (numeric or string, default=0) Minimum value of each UTXO in " + CURRENCY_UNIT + "\n"
            "      \"maximumAmount\"    (numeric or string, default=unlimited) Maximum value of each UTXO in " + CURRENCY_UNIT + "\n"
            "      \"maximumCount\"     (numeric or string, default=unlimited) Maximum number of UTXOs\n"
            "      \"minimumSumAmount\" (numeric or string, default=unlimited) Minimum sum value of all UTXOs in " + CURRENCY_UNIT + "\n"
            "    }\n"
            "\nResult\n"
            "[                   (array of json object)\n"
            "  {\n"
            "    \"txid\" : \"txid\",          (string) the transaction id \n"
            "    \"vout\" : n,               (numeric) the vout value\n"
            "    \"address\" : \"address\",    (string) the bitcoin address\n"
            "    \"label\" : \"label\",        (string) The associated label, or \"\" for the default label\n"
            "    \"account\" : \"account\",    (string) DEPRECATED. This field will be removed in V0.18. To see this deprecated field, start bitcoind with -deprecatedrpc=accounts. The associated account, or \"\" for the default account\n"
            "    \"scriptPubKey\" : \"key\",   (string) the script key\n"
            "    \"amount\" : x.xxx,         (numeric) the transaction output amount in " + CURRENCY_UNIT + "\n"
            "    \"confirmations\" : n,      (numeric) The number of confirmations\n"
            "    \"redeemScript\" : n        (string) The redeemScript if scriptPubKey is P2SH\n"
            "    \"spendable\" : xxx,        (bool) Whether we have the private keys to spend this output\n"
            "    \"solvable\" : xxx,         (bool) Whether we know how to spend this output, ignoring the lack of keys\n"
            "    \"safe\" : xxx              (bool) Whether this output is considered safe to spend. Unconfirmed transactions\n"
            "                              from outside keys and unconfirmed replacement transactions are considered unsafe\n"
            "                              and are not eligible for spending by fundrawtransaction and sendtoaddress.\n"
            "  }\n"
            "  ,...\n"
            "]\n"

            "\nExamples\n"
            + HelpExampleCli("listunspent", "")
            + HelpExampleCli("listunspent", "6 9999999 \"[\\\"1PGFqEzfmQch1gKD3ra4k18PNj3tTUUSqg\\\",\\\"1LtvqCaApEdUGFkpKMM4MstjcaL4dKg8SP\\\"]\"")
            + HelpExampleRpc("listunspent", "6, 9999999 \"[\\\"1PGFqEzfmQch1gKD3ra4k18PNj3tTUUSqg\\\",\\\"1LtvqCaApEdUGFkpKMM4MstjcaL4dKg8SP\\\"]\"")
            + HelpExampleCli("listunspent", "6 9999999 '[]' true '{ \"minimumAmount\": 0.005 }'")
            + HelpExampleRpc("listunspent", "6, 9999999, [] , true, { \"minimumAmount\": 0.005 } ")
        );

    int nMinDepth = 1;
    if (!request.params[0].isNull()) {
        RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
        nMinDepth = request.params[0].get_int();
    }

    int nMaxDepth = 9999999;
    if (!request.params[1].isNull()) {
        RPCTypeCheckArgument(request.params[1], UniValue::VNUM);
        nMaxDepth = request.params[1].get_int();
    }

    std::set<CTxDestination> destinations;
    if (!request.params[2].isNull()) {
        RPCTypeCheckArgument(request.params[2], UniValue::VARR);
        UniValue inputs = request.params[2].get_array();
        for (unsigned int idx = 0; idx < inputs.size(); idx++) {
            const UniValue& input = inputs[idx];
            CTxDestination dest = DecodeDestination(input.get_str());
            if (!IsValidDestination(dest)) {
                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, std::string("Invalid Bitcoin address: ") + input.get_str());
            }
            if (!destinations.insert(dest).second) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, std::string("Invalid parameter, duplicated address: ") + input.get_str());
            }
        }
    }

    bool include_unsafe = true;
    if (!request.params[3].isNull()) {
        RPCTypeCheckArgument(request.params[3], UniValue::VBOOL);
        include_unsafe = request.params[3].get_bool();
    }

    CAmount nMinimumAmount = 0;
    CAmount nMaximumAmount = MAX_MONEY;
    CAmount nMinimumSumAmount = MAX_MONEY;
    uint64_t nMaximumCount = 0;

    if (!request.params[4].isNull()) {
        const UniValue& options = request.params[4].get_obj();

        if (options.exists("minimumAmount"))
            nMinimumAmount = AmountFromValue(options["minimumAmount"]);

        if (options.exists("maximumAmount"))
            nMaximumAmount = AmountFromValue(options["maximumAmount"]);

        if (options.exists("minimumSumAmount"))
            nMinimumSumAmount = AmountFromValue(options["minimumSumAmount"]);

        if (options.exists("maximumCount"))
            nMaximumCount = options["maximumCount"].get_int64();
    }

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    UniValue results(UniValue::VARR);
    std::vector<COutput> vecOutputs;
    {
        LOCK2(cs_main, pwallet->cs_wallet);
        pwallet->AvailableCoins(vecOutputs, !include_unsafe, nullptr, nMinimumAmount, nMaximumAmount, nMinimumSumAmount, nMaximumCount, nMinDepth, nMaxDepth);
    }

    LOCK(pwallet->cs_wallet);

    for (const COutput& out : vecOutputs) {
        CTxDestination address;
        const CScript& scriptPubKey = out.tx->tx->vout[out.i].scriptPubKey;
        bool fValidAddress = ExtractDestination(scriptPubKey, address);

        if (destinations.size() && (!fValidAddress || !destinations.count(address)))
            continue;

        UniValue entry(UniValue::VOBJ);
        entry.pushKV("txid", out.tx->GetHash().GetHex());
        entry.pushKV("vout", out.i);

        if (fValidAddress) {
            entry.pushKV("address", EncodeDestination(address));

            auto i = pwallet->mapAddressBook.find(address);
            if (i != pwallet->mapAddressBook.end()) {
                entry.pushKV("label", i->second.name);
                if (IsDeprecatedRPCEnabled("accounts")) {
                    entry.pushKV("account", i->second.name);
                }
            }

            if (scriptPubKey.IsPayToScriptHash()) {
                const CScriptID& hash = boost::get<CScriptID>(address);
                CScript redeemScript;
                if (pwallet->GetCScript(hash, redeemScript)) {
                    entry.pushKV("redeemScript", HexStr(redeemScript.begin(), redeemScript.end()));
                }
            }
        }

        entry.pushKV("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end()));
        entry.pushKV("amount", ValueFromAmount(out.tx->tx->vout[out.i].nValue));
        entry.pushKV("confirmations", out.nDepth);
        entry.pushKV("spendable", out.fSpendable);
        entry.pushKV("solvable", out.fSolvable);
        entry.pushKV("safe", out.fSafe);
        results.push_back(entry);
    }

    return results;
}

void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& fee_out, int& change_position, UniValue options)
{
    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    CCoinControl coinControl;
    change_position = -1;
    bool lockUnspents = false;
    UniValue subtractFeeFromOutputs;
    std::set<int> setSubtractFeeFromOutputs;

    if (!options.isNull()) {
      if (options.type() == UniValue::VBOOL) {
        // backward compatibility bool only fallback
        coinControl.fAllowWatchOnly = options.get_bool();
      }
      else {
        RPCTypeCheckArgument(options, UniValue::VOBJ);
        RPCTypeCheckObj(options,
            {
                {"changeAddress", UniValueType(UniValue::VSTR)},
                {"changePosition", UniValueType(UniValue::VNUM)},
                {"change_type", UniValueType(UniValue::VSTR)},
                {"includeWatching", UniValueType(UniValue::VBOOL)},
                {"lockUnspents", UniValueType(UniValue::VBOOL)},
                {"feeRate", UniValueType()}, // will be checked below
                {"subtractFeeFromOutputs", UniValueType(UniValue::VARR)},
                {"replaceable", UniValueType(UniValue::VBOOL)},
                {"conf_target", UniValueType(UniValue::VNUM)},
                {"estimate_mode", UniValueType(UniValue::VSTR)},
            },
            true, true);

        if (options.exists("changeAddress")) {
            CTxDestination dest = DecodeDestination(options["changeAddress"].get_str());

            if (!IsValidDestination(dest)) {
                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "changeAddress must be a valid bitcoin address");
            }

            coinControl.destChange = dest;
        }

        if (options.exists("changePosition"))
            change_position = options["changePosition"].get_int();

        if (options.exists("change_type")) {
            if (options.exists("changeAddress")) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both changeAddress and address_type options");
            }
            coinControl.m_change_type = pwallet->m_default_change_type;
            if (!ParseOutputType(options["change_type"].get_str(), *coinControl.m_change_type)) {
                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown change type '%s'", options["change_type"].get_str()));
            }
        }

        if (options.exists("includeWatching"))
            coinControl.fAllowWatchOnly = options["includeWatching"].get_bool();

        if (options.exists("lockUnspents"))
            lockUnspents = options["lockUnspents"].get_bool();

        if (options.exists("feeRate"))
        {
            coinControl.m_feerate = CFeeRate(AmountFromValue(options["feeRate"]));
            coinControl.fOverrideFeeRate = true;
        }

        if (options.exists("subtractFeeFromOutputs"))
            subtractFeeFromOutputs = options["subtractFeeFromOutputs"].get_array();

        if (options.exists("replaceable")) {
            coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool();
        }
        if (options.exists("conf_target")) {
            if (options.exists("feeRate")) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both conf_target and feeRate");
            }
            coinControl.m_confirm_target = ParseConfirmTarget(options["conf_target"]);
        }
        if (options.exists("estimate_mode")) {
            if (options.exists("feeRate")) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and feeRate");
            }
            if (!FeeModeFromString(options["estimate_mode"].get_str(), coinControl.m_fee_mode)) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter");
            }
        }
      }
    }

    if (tx.vout.size() == 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "TX must have at least one output");

    if (change_position != -1 && (change_position < 0 || (unsigned int)change_position > tx.vout.size()))
        throw JSONRPCError(RPC_INVALID_PARAMETER, "changePosition out of bounds");

    for (unsigned int idx = 0; idx < subtractFeeFromOutputs.size(); idx++) {
        int pos = subtractFeeFromOutputs[idx].get_int();
        if (setSubtractFeeFromOutputs.count(pos))
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, duplicated position: %d", pos));
        if (pos < 0)
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, negative position: %d", pos));
        if (pos >= int(tx.vout.size()))
            throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid parameter, position too large: %d", pos));
        setSubtractFeeFromOutputs.insert(pos);
    }

    std::string strFailReason;

    if (!pwallet->FundTransaction(tx, fee_out, change_position, strFailReason, lockUnspents, setSubtractFeeFromOutputs, coinControl)) {
        throw JSONRPCError(RPC_WALLET_ERROR, strFailReason);
    }
}

static UniValue fundrawtransaction(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
        throw std::runtime_error(
                            "fundrawtransaction \"hexstring\" ( options iswitness )\n"
                            "\nAdd inputs to a transaction until it has enough in value to meet its out value.\n"
                            "This will not modify existing inputs, and will add at most one change output to the outputs.\n"
                            "No existing outputs will be modified unless \"subtractFeeFromOutputs\" is specified.\n"
                            "Note that inputs which were signed may need to be resigned after completion since in/outputs have been added.\n"
                            "The inputs added will not be signed, use signrawtransaction for that.\n"
                            "Note that all existing inputs must have their previous output transaction be in the wallet.\n"
                            "Note that all inputs selected must be of standard form and P2SH scripts must be\n"
                            "in the wallet using importaddress or addmultisigaddress (to calculate fees).\n"
                            "You can see whether this is the case by checking the \"solvable\" field in the listunspent output.\n"
                            "Only pay-to-pubkey, multisig, and P2SH versions thereof are currently supported for watch-only\n"
                            "\nArguments:\n"
                            "1. \"hexstring\"           (string, required) The hex string of the raw transaction\n"
                            "2. options                 (object, optional)\n"
                            "   {\n"
                            "     \"changeAddress\"          (string, optional, default pool address) The bitcoin address to receive the change\n"
                            "     \"changePosition\"         (numeric, optional, default random) The index of the change output\n"
                            "     \"change_type\"            (string, optional) The output type to use. Only valid if changeAddress is not specified. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is set by -changetype.\n"
                            "     \"includeWatching\"        (boolean, optional, default false) Also select inputs which are watch only\n"
                            "     \"lockUnspents\"           (boolean, optional, default false) Lock selected unspent outputs\n"
                            "     \"feeRate\"                (numeric, optional, default not set: makes wallet determine the fee) Set a specific fee rate in " + CURRENCY_UNIT + "/kB\n"
                            "     \"subtractFeeFromOutputs\" (array, optional) A json array of integers.\n"
                            "                              The fee will be equally deducted from the amount of each specified output.\n"
                            "                              The outputs are specified by their zero-based index, before any change output is added.\n"
                            "                              Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
                            "                              If no outputs are specified here, the sender pays the fee.\n"
                            "                                  [vout_index,...]\n"
                            "     \"replaceable\"            (boolean, optional) Marks this transaction as BIP125 replaceable.\n"
                            "                              Allows this transaction to be replaced by a transaction with higher fees\n"
                            "     \"conf_target\"            (numeric, optional) Confirmation target (in blocks)\n"
                            "     \"estimate_mode\"          (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
                            "         \"UNSET\"\n"
                            "         \"ECONOMICAL\"\n"
                            "         \"CONSERVATIVE\"\n"
                            "   }\n"
                            "                         for backward compatibility: passing in a true instead of an object will result in {\"includeWatching\":true}\n"
                            "3. iswitness               (boolean, optional) Whether the transaction hex is a serialized witness transaction \n"
                            "                              If iswitness is not present, heuristic tests will be used in decoding\n"

                            "\nResult:\n"
                            "{\n"
                            "  \"hex\":       \"value\", (string)  The resulting raw transaction (hex-encoded string)\n"
                            "  \"fee\":       n,         (numeric) Fee in " + CURRENCY_UNIT + " the resulting transaction pays\n"
                            "  \"changepos\": n          (numeric) The position of the added change output, or -1\n"
                            "}\n"
                            "\nExamples:\n"
                            "\nCreate a transaction with no inputs\n"
                            + HelpExampleCli("createrawtransaction", "\"[]\" \"{\\\"myaddress\\\":0.01}\"") +
                            "\nAdd sufficient unsigned inputs to meet the output value\n"
                            + HelpExampleCli("fundrawtransaction", "\"rawtransactionhex\"") +
                            "\nSign the transaction\n"
                            + HelpExampleCli("signrawtransaction", "\"fundedtransactionhex\"") +
                            "\nSend the transaction\n"
                            + HelpExampleCli("sendrawtransaction", "\"signedtransactionhex\"")
                            );

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

    // parse hex string from parameter
    CMutableTransaction tx;
    bool try_witness = request.params[2].isNull() ? true : request.params[2].get_bool();
    bool try_no_witness = request.params[2].isNull() ? true : !request.params[2].get_bool();
    if (!DecodeHexTx(tx, request.params[0].get_str(), try_no_witness, try_witness)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
    }

    CAmount fee;
    int change_position;
    FundTransaction(pwallet, tx, fee, change_position, request.params[1]);

    UniValue result(UniValue::VOBJ);
    result.pushKV("hex", EncodeHexTx(tx));
    result.pushKV("fee", ValueFromAmount(fee));
    result.pushKV("changepos", change_position);

    return result;
}

UniValue signrawtransactionwithwallet(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 3)
        throw std::runtime_error(
            "signrawtransactionwithwallet \"hexstring\" ( [{\"txid\":\"id\",\"vout\":n,\"scriptPubKey\":\"hex\",\"redeemScript\":\"hex\"},...] sighashtype )\n"
            "\nSign inputs for raw transaction (serialized, hex-encoded).\n"
            "The second 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"
            + HelpRequiringPassphrase(pwallet) + "\n"

            "\nArguments:\n"
            "1. \"hexstring\"                      (string, required) The transaction hex string\n"
            "2. \"prevtxs\"                        (string, optional) An json array of previous dependent transaction outputs\n"
            "     [                              (json array of json objects, or 'null' if none provided)\n"
            "       {\n"
            "         \"txid\":\"id\",               (string, required) The transaction id\n"
            "         \"vout\":n,                  (numeric, required) The output number\n"
            "         \"scriptPubKey\": \"hex\",     (string, required) script key\n"
            "         \"redeemScript\": \"hex\",     (string, required for P2SH or P2WSH) redeem script\n"
            "         \"amount\": value            (numeric, required) The amount spent\n"
            "       }\n"
            "       ,...\n"
            "    ]\n"
            "3. \"sighashtype\"                    (string, optional, default=ALL) The signature hash type. Must be one of\n"
            "       \"ALL\"\n"
            "       \"NONE\"\n"
            "       \"SINGLE\"\n"
            "       \"ALL|ANYONECANPAY\"\n"
            "       \"NONE|ANYONECANPAY\"\n"
            "       \"SINGLE|ANYONECANPAY\"\n"

            "\nResult:\n"
            "{\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"

            "\nExamples:\n"
            + HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"")
            + HelpExampleRpc("signrawtransactionwithwallet", "\"myhex\"")
        );

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

    CMutableTransaction mtx;
    if (!DecodeHexTx(mtx, request.params[0].get_str(), true)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
    }

    // Sign the transaction
    LOCK2(cs_main, pwallet->cs_wallet);
    return SignTransaction(mtx, request.params[1], pwallet, false, request.params[2]);
}

static UniValue bumpfee(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();


    if (!EnsureWalletIsAvailable(pwallet, request.fHelp))
        return NullUniValue;

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
        throw std::runtime_error(
            "bumpfee \"txid\" ( options ) \n"
            "\nBumps the fee of an opt-in-RBF transaction T, replacing it with a new transaction B.\n"
            "An opt-in RBF transaction with the given txid must be in the wallet.\n"
            "The command will pay the additional fee by decreasing (or perhaps removing) its change output.\n"
            "If the change output is not big enough to cover the increased fee, the command will currently fail\n"
            "instead of adding new inputs to compensate. (A future implementation could improve this.)\n"
            "The command will fail if the wallet or mempool contains a transaction that spends one of T's outputs.\n"
            "By default, the new fee will be calculated automatically using estimatesmartfee.\n"
            "The user can specify a confirmation target for estimatesmartfee.\n"
            "Alternatively, the user can specify totalFee, or use RPC settxfee to set a higher fee rate.\n"
            "At a minimum, the new fee rate must be high enough to pay an additional new relay fee (incrementalfee\n"
            "returned by getnetworkinfo) to enter the node's mempool.\n"
            "\nArguments:\n"
            "1. txid                  (string, required) The txid to be bumped\n"
            "2. options               (object, optional)\n"
            "   {\n"
            "     \"confTarget\"        (numeric, optional) Confirmation target (in blocks)\n"
            "     \"totalFee\"          (numeric, optional) Total fee (NOT feerate) to pay, in satoshis.\n"
            "                         In rare cases, the actual fee paid might be slightly higher than the specified\n"
            "                         totalFee if the tx change output has to be removed because it is too close to\n"
            "                         the dust threshold.\n"
            "     \"replaceable\"       (boolean, optional, default true) Whether the new transaction should still be\n"
            "                         marked bip-125 replaceable. If true, the sequence numbers in the transaction will\n"
            "                         be left unchanged from the original. If false, any input sequence numbers in the\n"
            "                         original transaction that were less than 0xfffffffe will be increased to 0xfffffffe\n"
            "                         so the new transaction will not be explicitly bip-125 replaceable (though it may\n"
            "                         still be replaceable in practice, for example if it has unconfirmed ancestors which\n"
            "                         are replaceable).\n"
            "     \"estimate_mode\"     (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
            "         \"UNSET\"\n"
            "         \"ECONOMICAL\"\n"
            "         \"CONSERVATIVE\"\n"
            "   }\n"
            "\nResult:\n"
            "{\n"
            "  \"txid\":    \"value\",   (string)  The id of the new transaction\n"
            "  \"origfee\":  n,         (numeric) Fee of the replaced transaction\n"
            "  \"fee\":      n,         (numeric) Fee of the new transaction\n"
            "  \"errors\":  [ str... ] (json array of strings) Errors encountered during processing (may be empty)\n"
            "}\n"
            "\nExamples:\n"
            "\nBump the fee, get the new transaction\'s txid\n" +
            HelpExampleCli("bumpfee", "<txid>"));
    }

    RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ});
    uint256 hash;
    hash.SetHex(request.params[0].get_str());

    // optional parameters
    CAmount totalFee = 0;
    CCoinControl coin_control;
    coin_control.m_signal_bip125_rbf = true;
    if (!request.params[1].isNull()) {
        UniValue options = request.params[1];
        RPCTypeCheckObj(options,
            {
                {"confTarget", UniValueType(UniValue::VNUM)},
                {"totalFee", UniValueType(UniValue::VNUM)},
                {"replaceable", UniValueType(UniValue::VBOOL)},
                {"estimate_mode", UniValueType(UniValue::VSTR)},
            },
            true, true);

        if (options.exists("confTarget") && options.exists("totalFee")) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and totalFee options should not both be set. Please provide either a confirmation target for fee estimation or an explicit total fee for the transaction.");
        } else if (options.exists("confTarget")) { // TODO: alias this to conf_target
            coin_control.m_confirm_target = ParseConfirmTarget(options["confTarget"]);
        } else if (options.exists("totalFee")) {
            totalFee = options["totalFee"].get_int64();
            if (totalFee <= 0) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid totalFee %s (must be greater than 0)", FormatMoney(totalFee)));
            }
        }

        if (options.exists("replaceable")) {
            coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool();
        }
        if (options.exists("estimate_mode")) {
            if (!FeeModeFromString(options["estimate_mode"].get_str(), coin_control.m_fee_mode)) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid estimate_mode parameter");
            }
        }
    }

    // Make sure the results are valid at least up to the most recent block
    // the user could have gotten from another RPC command prior to now
    pwallet->BlockUntilSyncedToCurrentChain();

    LOCK2(cs_main, pwallet->cs_wallet);
    EnsureWalletIsUnlocked(pwallet);


    std::vector<std::string> errors;
    CAmount old_fee;
    CAmount new_fee;
    CMutableTransaction mtx;
    feebumper::Result res = feebumper::CreateTransaction(pwallet, hash, coin_control, totalFee, errors, old_fee, new_fee, mtx);
    if (res != feebumper::Result::OK) {
        switch(res) {
            case feebumper::Result::INVALID_ADDRESS_OR_KEY:
                throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errors[0]);
                break;
            case feebumper::Result::INVALID_REQUEST:
                throw JSONRPCError(RPC_INVALID_REQUEST, errors[0]);
                break;
            case feebumper::Result::INVALID_PARAMETER:
                throw JSONRPCError(RPC_INVALID_PARAMETER, errors[0]);
                break;
            case feebumper::Result::WALLET_ERROR:
                throw JSONRPCError(RPC_WALLET_ERROR, errors[0]);
                break;
            default:
                throw JSONRPCError(RPC_MISC_ERROR, errors[0]);
                break;
        }
    }

    // sign bumped transaction
    if (!feebumper::SignTransaction(pwallet, mtx)) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction.");
    }
    // commit the bumped transaction
    uint256 txid;
    if (feebumper::CommitTransaction(pwallet, hash, std::move(mtx), errors, txid) != feebumper::Result::OK) {
        throw JSONRPCError(RPC_WALLET_ERROR, errors[0]);
    }
    UniValue result(UniValue::VOBJ);
    result.pushKV("txid", txid.GetHex());
    result.pushKV("origfee", ValueFromAmount(old_fee));
    result.pushKV("fee", ValueFromAmount(new_fee));
    UniValue result_errors(UniValue::VARR);
    for (const std::string& error : errors) {
        result_errors.push_back(error);
    }
    result.pushKV("errors", result_errors);

    return result;
}

UniValue generate(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();


    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
        throw std::runtime_error(
            "generate nblocks ( maxtries )\n"
            "\nMine up to nblocks blocks immediately (before the RPC call returns) to an address in the wallet.\n"
            "\nArguments:\n"
            "1. nblocks      (numeric, required) How many blocks are generated immediately.\n"
            "2. maxtries     (numeric, optional) How many iterations to try (default = 1000000).\n"
            "\nResult:\n"
            "[ blockhashes ]     (array) hashes of blocks generated\n"
            "\nExamples:\n"
            "\nGenerate 11 blocks\n"
            + HelpExampleCli("generate", "11")
        );
    }

    int num_generate = request.params[0].get_int();
    uint64_t max_tries = 1000000;
    if (!request.params[1].isNull()) {
        max_tries = request.params[1].get_int();
    }

    std::shared_ptr<CReserveScript> coinbase_script;
    pwallet->GetScriptForMining(coinbase_script);

    // If the keypool is exhausted, no script is returned at all.  Catch this.
    if (!coinbase_script) {
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
    }

    //throw an error if no script was provided
    if (coinbase_script->reserveScript.empty()) {
        throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available");
    }

    return generateBlocks(coinbase_script, num_generate, max_tries, true);
}

UniValue rescanblockchain(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 2) {
        throw std::runtime_error(
            "rescanblockchain (\"start_height\") (\"stop_height\")\n"
            "\nRescan the local blockchain for wallet related transactions.\n"
            "\nArguments:\n"
            "1. \"start_height\"    (numeric, optional) block height where the rescan should start\n"
            "2. \"stop_height\"     (numeric, optional) the last block height that should be scanned\n"
            "\nResult:\n"
            "{\n"
            "  \"start_height\"     (numeric) The block height where the rescan has started. If omitted, rescan started from the genesis block.\n"
            "  \"stop_height\"      (numeric) The height of the last rescanned block. If omitted, rescan stopped at the chain tip.\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("rescanblockchain", "100000 120000")
            + HelpExampleRpc("rescanblockchain", "100000, 120000")
            );
    }

    WalletRescanReserver reserver(pwallet);
    if (!reserver.reserve()) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
    }

    CBlockIndex *pindexStart = nullptr;
    CBlockIndex *pindexStop = nullptr;
    CBlockIndex *pChainTip = nullptr;
    {
        LOCK(cs_main);
        pindexStart = chainActive.Genesis();
        pChainTip = chainActive.Tip();

        if (!request.params[0].isNull()) {
            pindexStart = chainActive[request.params[0].get_int()];
            if (!pindexStart) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid start_height");
            }
        }

        if (!request.params[1].isNull()) {
            pindexStop = chainActive[request.params[1].get_int()];
            if (!pindexStop) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid stop_height");
            }
            else if (pindexStop->nHeight < pindexStart->nHeight) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, "stop_height must be greater than start_height");
            }
        }
    }

    // We can't rescan beyond non-pruned blocks, stop and throw an error
    if (fPruneMode) {
        LOCK(cs_main);
        CBlockIndex *block = pindexStop ? pindexStop : pChainTip;
        while (block && block->nHeight >= pindexStart->nHeight) {
            if (!(block->nStatus & BLOCK_HAVE_DATA)) {
                throw JSONRPCError(RPC_MISC_ERROR, "Can't rescan beyond pruned data. Use RPC call getblockchaininfo to determine your pruned height.");
            }
            block = block->pprev;
        }
    }

    CBlockIndex *stopBlock = pwallet->ScanForWalletTransactions(pindexStart, pindexStop, reserver, true);
    if (!stopBlock) {
        if (pwallet->IsAbortingRescan()) {
            throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted.");
        }
        // if we got a nullptr returned, ScanForWalletTransactions did rescan up to the requested stopindex
        stopBlock = pindexStop ? pindexStop : pChainTip;
    }
    else {
        throw JSONRPCError(RPC_MISC_ERROR, "Rescan failed. Potentially corrupted data files.");
    }
    UniValue response(UniValue::VOBJ);
    response.pushKV("start_height", pindexStart->nHeight);
    response.pushKV("stop_height", stopBlock->nHeight);
    return response;
}

class DescribeWalletAddressVisitor : public boost::static_visitor<UniValue>
{
public:
    CWallet * const pwallet;

    void ProcessSubScript(const CScript& subscript, UniValue& obj, bool include_addresses = false) const
    {
        // Always present: script type and redeemscript
        txnouttype which_type;
        std::vector<std::vector<unsigned char>> solutions_data;
        Solver(subscript, which_type, solutions_data);
        obj.pushKV("script", GetTxnOutputType(which_type));
        obj.pushKV("hex", HexStr(subscript.begin(), subscript.end()));

        CTxDestination embedded;
        UniValue a(UniValue::VARR);
        if (ExtractDestination(subscript, embedded)) {
            // Only when the script corresponds to an address.
            UniValue subobj(UniValue::VOBJ);
            UniValue detail = DescribeAddress(embedded);
            subobj.pushKVs(detail);
            UniValue wallet_detail = boost::apply_visitor(*this, embedded);
            subobj.pushKVs(wallet_detail);
            subobj.pushKV("address", EncodeDestination(embedded));
            subobj.pushKV("scriptPubKey", HexStr(subscript.begin(), subscript.end()));
            // Always report the pubkey at the top level, so that `getnewaddress()['pubkey']` always works.
            if (subobj.exists("pubkey")) obj.pushKV("pubkey", subobj["pubkey"]);
            obj.pushKV("embedded", std::move(subobj));
            if (include_addresses) a.push_back(EncodeDestination(embedded));
        } else if (which_type == TX_MULTISIG) {
            // Also report some information on multisig scripts (which do not have a corresponding address).
            // TODO: abstract out the common functionality between this logic and ExtractDestinations.
            obj.pushKV("sigsrequired", solutions_data[0][0]);
            UniValue pubkeys(UniValue::VARR);
            for (size_t i = 1; i < solutions_data.size() - 1; ++i) {
                CPubKey key(solutions_data[i].begin(), solutions_data[i].end());
                if (include_addresses) a.push_back(EncodeDestination(key.GetID()));
                pubkeys.push_back(HexStr(key.begin(), key.end()));
            }
            obj.pushKV("pubkeys", std::move(pubkeys));
        }

        // The "addresses" field is confusing because it refers to public keys using their P2PKH address.
        // For that reason, only add the 'addresses' field when needed for backward compatibility. New applications
        // can use the 'embedded'->'address' field for P2SH or P2WSH wrapped addresses, and 'pubkeys' for
        // inspecting multisig participants.
        if (include_addresses) obj.pushKV("addresses", std::move(a));
    }

    explicit DescribeWalletAddressVisitor(CWallet* _pwallet) : pwallet(_pwallet) {}

    UniValue operator()(const CNoDestination& dest) const { return UniValue(UniValue::VOBJ); }

    UniValue operator()(const CKeyID& keyID) const
    {
        UniValue obj(UniValue::VOBJ);
        CPubKey vchPubKey;
        if (pwallet && pwallet->GetPubKey(keyID, vchPubKey)) {
            obj.pushKV("pubkey", HexStr(vchPubKey));
            obj.pushKV("iscompressed", vchPubKey.IsCompressed());
        }
        return obj;
    }

    UniValue operator()(const CScriptID& scriptID) const
    {
        UniValue obj(UniValue::VOBJ);
        CScript subscript;
        if (pwallet && pwallet->GetCScript(scriptID, subscript)) {
            ProcessSubScript(subscript, obj, IsDeprecatedRPCEnabled("validateaddress"));
        }
        return obj;
    }

    UniValue operator()(const WitnessV0KeyHash& id) const
    {
        UniValue obj(UniValue::VOBJ);
        CPubKey pubkey;
        if (pwallet && pwallet->GetPubKey(CKeyID(id), pubkey)) {
            obj.pushKV("pubkey", HexStr(pubkey));
        }
        return obj;
    }

    UniValue operator()(const WitnessV0ScriptHash& id) const
    {
        UniValue obj(UniValue::VOBJ);
        CScript subscript;
        CRIPEMD160 hasher;
        uint160 hash;
        hasher.Write(id.begin(), 32).Finalize(hash.begin());
        if (pwallet && pwallet->GetCScript(CScriptID(hash), subscript)) {
            ProcessSubScript(subscript, obj);
        }
        return obj;
    }

    UniValue operator()(const WitnessUnknown& id) const { return UniValue(UniValue::VOBJ); }
};

static UniValue DescribeWalletAddress(CWallet* pwallet, const CTxDestination& dest)
{
    UniValue ret(UniValue::VOBJ);
    UniValue detail = DescribeAddress(dest);
    ret.pushKVs(detail);
    ret.pushKVs(boost::apply_visitor(DescribeWalletAddressVisitor(pwallet), dest));
    return ret;
}

/** Convert CAddressBookData to JSON record.  */
static UniValue AddressBookDataToJSON(const CAddressBookData& data, const bool verbose)
{
    UniValue ret(UniValue::VOBJ);
    if (verbose) {
        ret.pushKV("name", data.name);
    }
    ret.pushKV("purpose", data.purpose);
    return ret;
}

UniValue getaddressinfo(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 1) {
        throw std::runtime_error(
            "getaddressinfo \"address\"\n"
            "\nReturn information about the given bitcoin address. Some information requires the address\n"
            "to be in the wallet.\n"
            "\nArguments:\n"
            "1. \"address\"                    (string, required) The bitcoin address to get the information of.\n"
            "\nResult:\n"
            "{\n"
            "  \"address\" : \"address\",        (string) The bitcoin address validated\n"
            "  \"scriptPubKey\" : \"hex\",       (string) The hex encoded scriptPubKey generated by the address\n"
            "  \"ismine\" : true|false,        (boolean) If the address is yours or not\n"
            "  \"iswatchonly\" : true|false,   (boolean) If the address is watchonly\n"
            "  \"isscript\" : true|false,      (boolean) If the key is a script\n"
            "  \"iswitness\" : true|false,     (boolean) If the address is a witness address\n"
            "  \"witness_version\" : version   (numeric, optional) The version number of the witness program\n"
            "  \"witness_program\" : \"hex\"     (string, optional) The hex value of the witness program\n"
            "  \"script\" : \"type\"             (string, optional) The output script type. Only if \"isscript\" is true and the redeemscript is known. Possible types: nonstandard, pubkey, pubkeyhash, scripthash, multisig, nulldata, witness_v0_keyhash, witness_v0_scripthash, witness_unknown\n"
            "  \"hex\" : \"hex\",                (string, optional) The redeemscript for the p2sh address\n"
            "  \"pubkeys\"                     (string, optional) Array of pubkeys associated with the known redeemscript (only if \"script\" is \"multisig\")\n"
            "    [\n"
            "      \"pubkey\"\n"
            "      ,...\n"
            "    ]\n"
            "  \"sigsrequired\" : xxxxx        (numeric, optional) Number of signatures required to spend multisig output (only if \"script\" is \"multisig\")\n"
            "  \"pubkey\" : \"publickeyhex\",    (string, optional) The hex value of the raw public key, for single-key addresses (possibly embedded in P2SH or P2WSH)\n"
            "  \"embedded\" : {...},           (object, optional) Information about the address embedded in P2SH or P2WSH, if relevant and known. It includes all getaddressinfo output fields for the embedded address, excluding metadata (\"timestamp\", \"hdkeypath\", \"hdseedid\") and relation to the wallet (\"ismine\", \"iswatchonly\", \"account\").\n"
            "  \"iscompressed\" : true|false,  (boolean) If the address is compressed\n"
            "  \"label\" :  \"label\"         (string) The label associated with the address, \"\" is the default account\n"
            "  \"account\" : \"account\"         (string) DEPRECATED. This field will be removed in V0.18. To see this deprecated field, start bitcoind with -deprecatedrpc=accounts. The account associated with the address, \"\" is the default account\n"
            "  \"timestamp\" : timestamp,      (number, optional) The creation time of the key if available in seconds since epoch (Jan 1 1970 GMT)\n"
            "  \"hdkeypath\" : \"keypath\"       (string, optional) The HD keypath if the key is HD and available\n"
            "  \"hdseedid\" : \"<hash160>\"      (string, optional) The Hash160 of the HD seed\n"
            "  \"hdmasterkeyid\" : \"<hash160>\" (string, optional) alias for hdseedid maintained for backwards compatibility. Will be removed in V0.18.\n"
            "  \"labels\"                      (object) Array of labels associated with the address.\n"
            "    [\n"
            "      { (json object of label data)\n"
            "        \"name\": \"labelname\" (string) The label\n"
            "        \"purpose\": \"string\" (string) Purpose of address (\"send\" for sending address, \"receive\" for receiving address)\n"
            "      },...\n"
            "    ]\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getaddressinfo", "\"1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc\"")
            + HelpExampleRpc("getaddressinfo", "\"1PSSGeFHDnKNxiEyFrD1wcEaHr9hrQDDWc\"")
        );
    }

    LOCK(pwallet->cs_wallet);

    UniValue ret(UniValue::VOBJ);
    CTxDestination dest = DecodeDestination(request.params[0].get_str());

    // Make sure the destination is valid
    if (!IsValidDestination(dest)) {
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid address");
    }

    std::string currentAddress = EncodeDestination(dest);
    ret.pushKV("address", currentAddress);

    CScript scriptPubKey = GetScriptForDestination(dest);
    ret.pushKV("scriptPubKey", HexStr(scriptPubKey.begin(), scriptPubKey.end()));

    isminetype mine = IsMine(*pwallet, dest);
    ret.pushKV("ismine", bool(mine & ISMINE_SPENDABLE));
    ret.pushKV("iswatchonly", bool(mine & ISMINE_WATCH_ONLY));
    UniValue detail = DescribeWalletAddress(pwallet, dest);
    ret.pushKVs(detail);
    if (pwallet->mapAddressBook.count(dest)) {
        ret.pushKV("label", pwallet->mapAddressBook[dest].name);
        if (IsDeprecatedRPCEnabled("accounts")) {
            ret.pushKV("account", pwallet->mapAddressBook[dest].name);
        }
    }
    const CKeyMetadata* meta = nullptr;
    CKeyID key_id = GetKeyForDestination(*pwallet, dest);
    if (!key_id.IsNull()) {
        auto it = pwallet->mapKeyMetadata.find(key_id);
        if (it != pwallet->mapKeyMetadata.end()) {
            meta = &it->second;
        }
    }
    if (!meta) {
        auto it = pwallet->m_script_metadata.find(CScriptID(scriptPubKey));
        if (it != pwallet->m_script_metadata.end()) {
            meta = &it->second;
        }
    }
    if (meta) {
        ret.pushKV("timestamp", meta->nCreateTime);
        if (!meta->hdKeypath.empty()) {
            ret.pushKV("hdkeypath", meta->hdKeypath);
            ret.pushKV("hdseedid", meta->hd_seed_id.GetHex());
            ret.pushKV("hdmasterkeyid", meta->hd_seed_id.GetHex());
        }
    }

    // Currently only one label can be associated with an address, return an array
    // so the API remains stable if we allow multiple labels to be associated with
    // an address.
    UniValue labels(UniValue::VARR);
    std::map<CTxDestination, CAddressBookData>::iterator mi = pwallet->mapAddressBook.find(dest);
    if (mi != pwallet->mapAddressBook.end()) {
        labels.push_back(AddressBookDataToJSON(mi->second, true));
    }
    ret.pushKV("labels", std::move(labels));

    return ret;
}

static UniValue getaddressesbylabel(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "getaddressesbylabel \"label\"\n"
            "\nReturns the list of addresses assigned the specified label.\n"
            "\nArguments:\n"
            "1. \"label\"  (string, required) The label.\n"
            "\nResult:\n"
            "{ (json object with addresses as keys)\n"
            "  \"address\": { (json object with information about address)\n"
            "    \"purpose\": \"string\" (string)  Purpose of address (\"send\" for sending address, \"receive\" for receiving address)\n"
            "  },...\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getaddressesbylabel", "\"tabby\"")
            + HelpExampleRpc("getaddressesbylabel", "\"tabby\"")
        );

    LOCK(pwallet->cs_wallet);

    std::string label = LabelFromValue(request.params[0]);

    // Find all addresses that have the given label
    UniValue ret(UniValue::VOBJ);
    for (const std::pair<const CTxDestination, CAddressBookData>& item : pwallet->mapAddressBook) {
        if (item.second.name == label) {
            ret.pushKV(EncodeDestination(item.first), AddressBookDataToJSON(item.second, false));
        }
    }

    if (ret.empty()) {
        throw JSONRPCError(RPC_WALLET_INVALID_LABEL_NAME, std::string("No addresses with label " + label));
    }

    return ret;
}

static UniValue listlabels(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 1)
        throw std::runtime_error(
            "listlabels ( \"purpose\" )\n"
            "\nReturns the list of all labels, or labels that are assigned to addresses with a specific purpose.\n"
            "\nArguments:\n"
            "1. \"purpose\"    (string, optional) Address purpose to list labels for ('send','receive'). An empty string is the same as not providing this argument.\n"
            "\nResult:\n"
            "[               (json array of string)\n"
            "  \"label\",      (string) Label name\n"
            "  ...\n"
            "]\n"
            "\nExamples:\n"
            "\nList all labels\n"
            + HelpExampleCli("listlabels", "") +
            "\nList labels that have receiving addresses\n"
            + HelpExampleCli("listlabels", "receive") +
            "\nList labels that have sending addresses\n"
            + HelpExampleCli("listlabels", "send") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("listlabels", "receive")
        );

    LOCK(pwallet->cs_wallet);

    std::string purpose;
    if (!request.params[0].isNull()) {
        purpose = request.params[0].get_str();
    }

    // Add to a set to sort by label name, then insert into Univalue array
    std::set<std::string> label_set;
    for (const std::pair<const CTxDestination, CAddressBookData>& entry : pwallet->mapAddressBook) {
        if (purpose.empty() || entry.second.purpose == purpose) {
            label_set.insert(entry.second.name);
        }
    }

    UniValue ret(UniValue::VARR);
    for (const std::string& name : label_set) {
        ret.push_back(name);
    }

    return ret;
}

UniValue sethdseed(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() > 2) {
        throw std::runtime_error(
            "sethdseed ( \"newkeypool\" \"seed\" )\n"
            "\nSet or generate a new HD wallet seed. Non-HD wallets will not be upgraded to being a HD wallet. Wallets that are already\n"
            "HD will have a new HD seed set so that new keys added to the keypool will be derived from this new seed.\n"
            "\nNote that you will need to MAKE A NEW BACKUP of your wallet after setting the HD wallet seed.\n"
            + HelpRequiringPassphrase(pwallet) +
            "\nArguments:\n"
            "1. \"newkeypool\"         (boolean, optional, default=true) Whether to flush old unused addresses, including change addresses, from the keypool and regenerate it.\n"
            "                             If true, the next address from getnewaddress and change address from getrawchangeaddress will be from this new seed.\n"
            "                             If false, addresses (including change addresses if the wallet already had HD Chain Split enabled) from the existing\n"
            "                             keypool will be used until it has been depleted.\n"
            "2. \"seed\"               (string, optional) The WIF private key to use as the new HD seed; if not provided a random seed will be used.\n"
            "                             The seed value can be retrieved using the dumpwallet command. It is the private key marked hdseed=1\n"
            "\nExamples:\n"
            + HelpExampleCli("sethdseed", "")
            + HelpExampleCli("sethdseed", "false")
            + HelpExampleCli("sethdseed", "true \"wifkey\"")
            + HelpExampleRpc("sethdseed", "true, \"wifkey\"")
            );
    }

    if (IsInitialBlockDownload()) {
        throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Cannot set a new HD seed while still in Initial Block Download");
    }

    LOCK2(cs_main, pwallet->cs_wallet);

    // Do not do anything to non-HD wallets
    if (!pwallet->IsHDEnabled()) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Cannot set a HD seed on a non-HD wallet. Start with -upgradewallet in order to upgrade a non-HD wallet to HD");
    }

    EnsureWalletIsUnlocked(pwallet);

    bool flush_key_pool = true;
    if (!request.params[0].isNull()) {
        flush_key_pool = request.params[0].get_bool();
    }

    CPubKey master_pub_key;
    if (request.params[1].isNull()) {
        master_pub_key = pwallet->GenerateNewSeed();
    } else {
        CKey key = DecodeSecret(request.params[1].get_str());
        if (!key.IsValid()) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
        }

        if (HaveKey(*pwallet, key)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Already have this key (either as an HD seed or as a loose private key)");
        }

        master_pub_key = pwallet->DeriveNewSeed(key);
    }

    pwallet->SetHDSeed(master_pub_key);
    if (flush_key_pool) pwallet->NewKeyPool();

    return NullUniValue;
}

bool ParseHDKeypath(std::string keypath_str, std::vector<uint32_t>& keypath)
{
    std::stringstream ss(keypath_str);
    std::string item;
    bool first = true;
    while (std::getline(ss, item, '/')) {
        if (item.compare("m") == 0) {
            if (first) {
                first = false;
                continue;
            }
            return false;
        }
        // Finds whether it is hardened
        uint32_t path = 0;
        size_t pos = item.find("'");
        if (pos != std::string::npos) {
            // The hardened tick can only be in the last index of the string
            if (pos != item.size() - 1) {
                return false;
            }
            path |= 0x80000000;
            item = item.substr(0, item.size() - 1); // Drop the last character which is the hardened tick
        }

        // Ensure this is only numbers
        if (item.find_first_not_of( "0123456789" ) != std::string::npos) {
            return false;
        }
        uint32_t number;
        if (!ParseUInt32(item, &number)) {
            return false;
        }
        path |= number;

        keypath.push_back(path);
        first = false;
    }
    return true;
}

void AddKeypathToMap(const CWallet* pwallet, const CKeyID& keyID, std::map<CPubKey, std::vector<uint32_t>>& hd_keypaths)
{
    CPubKey vchPubKey;
    if (!pwallet->GetPubKey(keyID, vchPubKey)) {
        return;
    }
    CKeyMetadata meta;
    auto it = pwallet->mapKeyMetadata.find(keyID);
    if (it != pwallet->mapKeyMetadata.end()) {
        meta = it->second;
    }
    std::vector<uint32_t> keypath;
    if (!meta.hdKeypath.empty()) {
        if (!ParseHDKeypath(meta.hdKeypath, keypath)) {
            throw JSONRPCError(RPC_INTERNAL_ERROR, "Internal keypath is broken");
        }
        // Get the proper master key id
        CKey key;
        pwallet->GetKey(meta.hd_seed_id, key);
        CExtKey masterKey;
        masterKey.SetSeed(key.begin(), key.size());
        // Add to map
        keypath.insert(keypath.begin(), ReadLE32(masterKey.key.GetPubKey().GetID().begin()));
    } else { // Single pubkeys get the master fingerprint of themselves
        keypath.insert(keypath.begin(), ReadLE32(vchPubKey.GetID().begin()));
    }
    hd_keypaths.emplace(vchPubKey, keypath);
}

bool FillPSBT(const CWallet* pwallet, PartiallySignedTransaction& psbtx, const CTransaction* txConst, int sighash_type, bool sign, bool bip32derivs)
{
    LOCK(pwallet->cs_wallet);
    // Get all of the previous transactions
    bool complete = true;
    for (unsigned int i = 0; i < txConst->vin.size(); ++i) {
        const CTxIn& txin = txConst->vin[i];
        PSBTInput& input = psbtx.inputs.at(i);

        // If we don't know about this input, skip it and let someone else deal with it
        const uint256& txhash = txin.prevout.hash;
        const auto it = pwallet->mapWallet.find(txhash);
        if (it != pwallet->mapWallet.end()) {
            const CWalletTx& wtx = it->second;
            CTxOut utxo = wtx.tx->vout[txin.prevout.n];
            // Update both UTXOs from the wallet.
            input.non_witness_utxo = wtx.tx;
            input.witness_utxo = utxo;
        }

        // Get the Sighash type
        if (sign && input.sighash_type > 0 && input.sighash_type != sighash_type) {
            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Specified Sighash and sighash in PSBT do not match.");
        }

        SignatureData sigdata;
        if (sign) {
            complete &= SignPSBTInput(*pwallet, *psbtx.tx, input, sigdata, i, sighash_type);
        } else {
            complete &= SignPSBTInput(PublicOnlySigningProvider(pwallet), *psbtx.tx, input, sigdata, i, sighash_type);
        }

        if (it != pwallet->mapWallet.end()) {
            // Drop the unnecessary UTXO if we added both from the wallet.
            if (sigdata.witness) {
                input.non_witness_utxo = nullptr;
            } else {
                input.witness_utxo.SetNull();
            }
        }

        // Get public key paths
        if (bip32derivs) {
            for (const auto& pubkey_it : sigdata.misc_pubkeys) {
                AddKeypathToMap(pwallet, pubkey_it.first, input.hd_keypaths);
            }
        }
    }

    // Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
    for (unsigned int i = 0; i < txConst->vout.size(); ++i) {
        const CTxOut& out = txConst->vout.at(i);
        PSBTOutput& psbt_out = psbtx.outputs.at(i);

        // Dummy tx so we can use ProduceSignature to get stuff out
        CMutableTransaction dummy_tx;
        dummy_tx.vin.push_back(CTxIn());
        dummy_tx.vout.push_back(CTxOut());

        // Fill a SignatureData with output info
        SignatureData sigdata;
        psbt_out.FillSignatureData(sigdata);

        MutableTransactionSignatureCreator creator(psbtx.tx.get_ptr(), 0, out.nValue, 1);
        ProduceSignature(*pwallet, creator, out.scriptPubKey, sigdata);
        psbt_out.FromSignatureData(sigdata);

        // Get public key paths
        if (bip32derivs) {
            for (const auto& pubkey_it : sigdata.misc_pubkeys) {
                AddKeypathToMap(pwallet, pubkey_it.first, psbt_out.hd_keypaths);
            }
        }
    }
    return complete;
}

UniValue walletprocesspsbt(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 1 || request.params.size() > 4)
        throw std::runtime_error(
            "walletprocesspsbt \"psbt\" ( sign \"sighashtype\" bip32derivs )\n"
            "\nUpdate a PSBT with input information from our wallet and then sign inputs\n"
            "that we can sign for.\n"
            + HelpRequiringPassphrase(pwallet) + "\n"

            "\nArguments:\n"
            "1. \"psbt\"                      (string, required) The transaction base64 string\n"
            "2. sign                          (boolean, optional, default=true) Also sign the transaction when updating\n"
            "3. \"sighashtype\"            (string, optional, default=ALL) The signature hash type to sign with if not specified by the PSBT. Must be one of\n"
            "       \"ALL\"\n"
            "       \"NONE\"\n"
            "       \"SINGLE\"\n"
            "       \"ALL|ANYONECANPAY\"\n"
            "       \"NONE|ANYONECANPAY\"\n"
            "       \"SINGLE|ANYONECANPAY\"\n"
            "4. bip32derivs                    (boolean, optional, default=false) If true, includes the BIP 32 derivation paths for public keys if we know them\n"

            "\nResult:\n"
            "{\n"
            "  \"psbt\" : \"value\",          (string) The base64-encoded partially signed transaction\n"
            "  \"complete\" : true|false,   (boolean) If the transaction has a complete set of signatures\n"
            "  ]\n"
            "}\n"

            "\nExamples:\n"
            + HelpExampleCli("walletprocesspsbt", "\"psbt\"")
        );

    RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL, UniValue::VSTR});

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

    // Get the sighash type
    int nHashType = ParseSighashString(request.params[2]);

    // Use CTransaction for the constant parts of the
    // transaction to avoid rehashing.
    const CTransaction txConst(*psbtx.tx);

    // Fill transaction with our data and also sign
    bool sign = request.params[1].isNull() ? true : request.params[1].get_bool();
    bool bip32derivs = request.params[3].isNull() ? false : request.params[3].get_bool();
    bool complete = FillPSBT(pwallet, psbtx, &txConst, nHashType, sign, bip32derivs);

    UniValue result(UniValue::VOBJ);
    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
    ssTx << psbtx;
    result.pushKV("psbt", EncodeBase64((unsigned char*)ssTx.data(), ssTx.size()));
    result.pushKV("complete", complete);

    return result;
}

UniValue walletcreatefundedpsbt(const JSONRPCRequest& request)
{
    std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(request);
    CWallet* const pwallet = wallet.get();

    if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) {
        return NullUniValue;
    }

    if (request.fHelp || request.params.size() < 2 || request.params.size() > 5)
        throw std::runtime_error(
                            "walletcreatefundedpsbt [{\"txid\":\"id\",\"vout\":n},...] [{\"address\":amount},{\"data\":\"hex\"},...] ( locktime ) ( replaceable ) ( options bip32derivs )\n"
                            "\nCreates and funds a transaction in the Partially Signed Transaction format. Inputs will be added if supplied inputs are not enough\n"
                            "Implements the Creator and Updater roles.\n"
                            "\nArguments:\n"
                            "1. \"inputs\"                (array, required) A json array of json objects\n"
                            "     [\n"
                            "       {\n"
                            "         \"txid\":\"id\",      (string, required) The transaction id\n"
                            "         \"vout\":n,         (numeric, required) The output number\n"
                            "         \"sequence\":n      (numeric, optional) The sequence number\n"
                            "       } \n"
                            "       ,...\n"
                            "     ]\n"
                            "2. \"outputs\"               (array, required) a json array with outputs (key-value pairs)\n"
                            "   [\n"
                            "    {\n"
                            "      \"address\": x.xxx,    (obj, optional) A key-value pair. The key (string) is the bitcoin address, the value (float or string) is the amount in " + CURRENCY_UNIT + "\n"
                            "    },\n"
                            "    {\n"
                            "      \"data\": \"hex\"        (obj, optional) A key-value pair. The key must be \"data\", the value is hex encoded data\n"
                            "    }\n"
                            "    ,...                     More key-value pairs of the above form. For compatibility reasons, a dictionary, which holds the key-value pairs directly, is also\n"
                            "                             accepted as second parameter.\n"
                            "   ]\n"
                            "3. locktime                  (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n"
                            "                             Allows this transaction to be replaced by a transaction with higher fees. If provided, it is an error if explicit sequence numbers are incompatible.\n"
                            "4. options                 (object, optional)\n"
                            "   {\n"
                            "     \"changeAddress\"          (string, optional, default pool address) The bitcoin address to receive the change\n"
                            "     \"changePosition\"         (numeric, optional, default random) The index of the change output\n"
                            "     \"change_type\"            (string, optional) The output type to use. Only valid if changeAddress is not specified. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is set by -changetype.\n"
                            "     \"includeWatching\"        (boolean, optional, default false) Also select inputs which are watch only\n"
                            "     \"lockUnspents\"           (boolean, optional, default false) Lock selected unspent outputs\n"
                            "     \"feeRate\"                (numeric, optional, default not set: makes wallet determine the fee) Set a specific fee rate in " + CURRENCY_UNIT + "/kB\n"
                            "     \"subtractFeeFromOutputs\" (array, optional) A json array of integers.\n"
                            "                              The fee will be equally deducted from the amount of each specified output.\n"
                            "                              The outputs are specified by their zero-based index, before any change output is added.\n"
                            "                              Those recipients will receive less bitcoins than you enter in their corresponding amount field.\n"
                            "                              If no outputs are specified here, the sender pays the fee.\n"
                            "                                  [vout_index,...]\n"
                            "     \"replaceable\"            (boolean, optional) Marks this transaction as BIP125 replaceable.\n"
                            "                              Allows this transaction to be replaced by a transaction with higher fees\n"
                            "     \"conf_target\"            (numeric, optional) Confirmation target (in blocks)\n"
                            "     \"estimate_mode\"          (string, optional, default=UNSET) The fee estimate mode, must be one of:\n"
                            "         \"UNSET\"\n"
                            "         \"ECONOMICAL\"\n"
                            "         \"CONSERVATIVE\"\n"
                            "   }\n"
                            "5. bip32derivs                    (boolean, optional, default=false) If true, includes the BIP 32 derivation paths for public keys if we know them\n"
                            "\nResult:\n"
                            "{\n"
                            "  \"psbt\": \"value\",        (string)  The resulting raw transaction (base64-encoded string)\n"
                            "  \"fee\":       n,         (numeric) Fee in " + CURRENCY_UNIT + " the resulting transaction pays\n"
                            "  \"changepos\": n          (numeric) The position of the added change output, or -1\n"
                            "}\n"
                            "\nExamples:\n"
                            "\nCreate a transaction with no inputs\n"
                            + HelpExampleCli("walletcreatefundedpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"")
                            );

    RPCTypeCheck(request.params, {
        UniValue::VARR,
        UniValueType(), // ARR or OBJ, checked later
        UniValue::VNUM,
        UniValue::VOBJ,
        UniValue::VBOOL
        }, true
    );

    CAmount fee;
    int change_position;
    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], request.params[3]["replaceable"]);
    FundTransaction(pwallet, rawTx, fee, change_position, request.params[3]);

    // Make a blank psbt
    PartiallySignedTransaction psbtx;
    psbtx.tx = rawTx;
    for (unsigned int i = 0; i < rawTx.vin.size(); ++i) {
        psbtx.inputs.push_back(PSBTInput());
    }
    for (unsigned int i = 0; i < rawTx.vout.size(); ++i) {
        psbtx.outputs.push_back(PSBTOutput());
    }

    // Use CTransaction for the constant parts of the
    // transaction to avoid rehashing.
    const CTransaction txConst(*psbtx.tx);

    // Fill transaction with out data but don't sign
    bool bip32derivs = request.params[4].isNull() ? false : request.params[4].get_bool();
    FillPSBT(pwallet, psbtx, &txConst, 1, false, bip32derivs);

    // Serialize the PSBT
    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
    ssTx << psbtx;

    UniValue result(UniValue::VOBJ);
    result.pushKV("psbt", EncodeBase64((unsigned char*)ssTx.data(), ssTx.size()));
    result.pushKV("fee", ValueFromAmount(fee));
    result.pushKV("changepos", change_position);
    return result;
}

extern UniValue abortrescan(const JSONRPCRequest& request); // in rpcdump.cpp
extern UniValue dumpprivkey(const JSONRPCRequest& request); // in rpcdump.cpp
extern UniValue importprivkey(const JSONRPCRequest& request);
extern UniValue importaddress(const JSONRPCRequest& request);
extern UniValue importpubkey(const JSONRPCRequest& request);
extern UniValue dumpwallet(const JSONRPCRequest& request);
extern UniValue importwallet(const JSONRPCRequest& request);
extern UniValue importprunedfunds(const JSONRPCRequest& request);
extern UniValue removeprunedfunds(const JSONRPCRequest& request);
extern UniValue importmulti(const JSONRPCRequest& request);
extern UniValue rescanblockchain(const JSONRPCRequest& request);

static const CRPCCommand commands[] =
{ //  category              name                                actor (function)                argNames
    //  --------------------- ------------------------          -----------------------         ----------
    { "rawtransactions",    "fundrawtransaction",               &fundrawtransaction,            {"hexstring","options","iswitness"} },
    { "wallet",             "walletprocesspsbt",                &walletprocesspsbt,             {"psbt","sign","sighashtype","bip32derivs"} },
    { "wallet",             "walletcreatefundedpsbt",           &walletcreatefundedpsbt,        {"inputs","outputs","locktime","options","bip32derivs"} },
    { "hidden",             "resendwallettransactions",         &resendwallettransactions,      {} },
    { "wallet",             "abandontransaction",               &abandontransaction,            {"txid"} },
    { "wallet",             "abortrescan",                      &abortrescan,                   {} },
    { "wallet",             "addmultisigaddress",               &addmultisigaddress,            {"nrequired","keys","label|account","address_type"} },
    { "hidden",             "addwitnessaddress",                &addwitnessaddress,             {"address","p2sh"} },
    { "wallet",             "backupwallet",                     &backupwallet,                  {"destination"} },
    { "wallet",             "bumpfee",                          &bumpfee,                       {"txid", "options"} },
    { "wallet",             "createwallet",                     &createwallet,                  {"wallet_name", "disable_private_keys"} },
    { "wallet",             "dumpprivkey",                      &dumpprivkey,                   {"address"}  },
    { "wallet",             "dumpwallet",                       &dumpwallet,                    {"filename"} },
    { "wallet",             "encryptwallet",                    &encryptwallet,                 {"passphrase"} },
    { "wallet",             "getaddressinfo",                   &getaddressinfo,                {"address"} },
    { "wallet",             "getbalance",                       &getbalance,                    {"account|dummy","minconf","include_watchonly"} },
    { "wallet",             "getnewaddress",                    &getnewaddress,                 {"label|account","address_type"} },
    { "wallet",             "getrawchangeaddress",              &getrawchangeaddress,           {"address_type"} },
    { "wallet",             "getreceivedbyaddress",             &getreceivedbyaddress,          {"address","minconf"} },
    { "wallet",             "gettransaction",                   &gettransaction,                {"txid","include_watchonly"} },
    { "wallet",             "getunconfirmedbalance",            &getunconfirmedbalance,         {} },
    { "wallet",             "getwalletinfo",                    &getwalletinfo,                 {} },
    { "wallet",             "importmulti",                      &importmulti,                   {"requests","options"} },
    { "wallet",             "importprivkey",                    &importprivkey,                 {"privkey","label","rescan"} },
    { "wallet",             "importwallet",                     &importwallet,                  {"filename"} },
    { "wallet",             "importaddress",                    &importaddress,                 {"address","label","rescan","p2sh"} },
    { "wallet",             "importprunedfunds",                &importprunedfunds,             {"rawtransaction","txoutproof"} },
    { "wallet",             "importpubkey",                     &importpubkey,                  {"pubkey","label","rescan"} },
    { "wallet",             "keypoolrefill",                    &keypoolrefill,                 {"newsize"} },
    { "wallet",             "listaddressgroupings",             &listaddressgroupings,          {} },
    { "wallet",             "listlockunspent",                  &listlockunspent,               {} },
    { "wallet",             "listreceivedbyaddress",            &listreceivedbyaddress,         {"minconf","include_empty","include_watchonly","address_filter"} },
    { "wallet",             "listsinceblock",                   &listsinceblock,                {"blockhash","target_confirmations","include_watchonly","include_removed"} },
    { "wallet",             "listtransactions",                 &listtransactions,              {"account|dummy","count","skip","include_watchonly"} },
    { "wallet",             "listunspent",                      &listunspent,                   {"minconf","maxconf","addresses","include_unsafe","query_options"} },
    { "wallet",             "listwallets",                      &listwallets,                   {} },
    { "wallet",             "loadwallet",                       &loadwallet,                    {"filename"} },
    { "wallet",             "lockunspent",                      &lockunspent,                   {"unlock","transactions"} },
    { "wallet",             "sendmany",                         &sendmany,                      {"fromaccount|dummy","amounts","minconf","comment","subtractfeefrom","replaceable","conf_target","estimate_mode"} },
    { "wallet",             "sendtoaddress",                    &sendtoaddress,                 {"address","amount","comment","comment_to","subtractfeefromamount","replaceable","conf_target","estimate_mode"} },
    { "wallet",             "settxfee",                         &settxfee,                      {"amount"} },
    { "wallet",             "signmessage",                      &signmessage,                   {"address","message"} },
    { "wallet",             "signrawtransactionwithwallet",     &signrawtransactionwithwallet,  {"hexstring","prevtxs","sighashtype"} },
    { "wallet",             "unloadwallet",                     &unloadwallet,                  {"wallet_name"} },
    { "wallet",             "walletlock",                       &walletlock,                    {} },
    { "wallet",             "walletpassphrasechange",           &walletpassphrasechange,        {"oldpassphrase","newpassphrase"} },
    { "wallet",             "walletpassphrase",                 &walletpassphrase,              {"passphrase","timeout"} },
    { "wallet",             "removeprunedfunds",                &removeprunedfunds,             {"txid"} },
    { "wallet",             "rescanblockchain",                 &rescanblockchain,              {"start_height", "stop_height"} },
    { "wallet",             "sethdseed",                        &sethdseed,                     {"newkeypool","seed"} },

    /** Account functions (deprecated) */
    { "wallet",             "getaccountaddress",                &getaccountaddress,             {"account"} },
    { "wallet",             "getaccount",                       &getaccount,                    {"address"} },
    { "wallet",             "getaddressesbyaccount",            &getaddressesbyaccount,         {"account"} },
    { "wallet",             "getreceivedbyaccount",             &getreceivedbylabel,            {"account","minconf"} },
    { "wallet",             "listaccounts",                     &listaccounts,                  {"minconf","include_watchonly"} },
    { "wallet",             "listreceivedbyaccount",            &listreceivedbylabel,           {"minconf","include_empty","include_watchonly"} },
    { "wallet",             "setaccount",                       &setlabel,                      {"address","account"} },
    { "wallet",             "sendfrom",                         &sendfrom,                      {"fromaccount","toaddress","amount","minconf","comment","comment_to"} },
    { "wallet",             "move",                             &movecmd,                       {"fromaccount","toaccount","amount","minconf","comment"} },

    /** Label functions (to replace non-balance account functions) */
    { "wallet",             "getaddressesbylabel",              &getaddressesbylabel,           {"label"} },
    { "wallet",             "getreceivedbylabel",               &getreceivedbylabel,            {"label","minconf"} },
    { "wallet",             "listlabels",                       &listlabels,                    {"purpose"} },
    { "wallet",             "listreceivedbylabel",              &listreceivedbylabel,           {"minconf","include_empty","include_watchonly"} },
    { "wallet",             "setlabel",                         &setlabel,                      {"address","label"} },

    { "generating",         "generate",                         &generate,                      {"nblocks","maxtries"} },
};

void RegisterWalletRPCCommands(CRPCTable &t)
{
    for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++)
        t.appendCommand(commands[vcidx].name, &commands[vcidx]);
}
