coins.cpp

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// Copyright (c) 2011-2022 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 <core_io.h>
#include <hash.h>
#include <key_io.h>
#include <rpc/util.h>
#include <script/script.h>
#include <util/moneystr.h>
#include <wallet/coincontrol.h>
#include <wallet/receive.h>
#include <wallet/rpc/util.h>
#include <wallet/spend.h>
#include <wallet/wallet.h>

#include <univalue.h>


namespace wallet {
static CAmount GetReceived(const CWallet& wallet, const UniValue& params, bool by_label) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
{
    std::vector<CTxDestination> addresses;
    if (by_label) {
        // Get the set of addresses assigned to label
        addresses = wallet.ListAddrBookAddresses(CWallet::AddrBookFilter{LabelFromValue(params[0])});
        if (addresses.empty()) throw JSONRPCError(RPC_WALLET_ERROR, "Label not found in wallet");
    } else {
        // Get the address
        CTxDestination dest = DecodeDestination(params[0].get_str());
        if (!IsValidDestination(dest)) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
        }
        addresses.emplace_back(dest);
    }

    // Filter by own scripts only
    std::set<CScript> output_scripts;
    for (const auto& address : addresses) {
        auto output_script{GetScriptForDestination(address)};
        if (wallet.IsMine(output_script)) {
            output_scripts.insert(output_script);
        }
    }

    if (output_scripts.empty()) {
        throw JSONRPCError(RPC_WALLET_ERROR, "Address not found in wallet");
    }

    // Minimum confirmations
    int min_depth = 1;
    if (!params[1].isNull())
        min_depth = params[1].getInt<int>();

    const bool include_immature_coinbase{params[2].isNull() ? false : params[2].get_bool()};

    // Tally
    CAmount amount = 0;
    for (const std::pair<const uint256, CWalletTx>& wtx_pair : wallet.mapWallet) {
        const CWalletTx& wtx = wtx_pair.second;
        int depth{wallet.GetTxDepthInMainChain(wtx)};
        if (depth < min_depth
            // Coinbase with less than 1 confirmation is no longer in the main chain
            || (wtx.IsCoinBase() && (depth < 1))
            || (wallet.IsTxImmatureCoinBase(wtx) && !include_immature_coinbase))
        {
            continue;
        }

        for (const CTxOut& txout : wtx.tx->vout) {
            if (output_scripts.count(txout.scriptPubKey) > 0) {
                amount += txout.nValue;
            }
        }
    }

    return amount;
}


RPCHelpMan getreceivedbyaddress()
{
    return RPCHelpMan{"getreceivedbyaddress",
                "\nReturns the total amount received by the given address in transactions with at least minconf confirmations.\n",
                {
                    {"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The bitcoin address for transactions."},
                    {"minconf", RPCArg::Type::NUM, RPCArg::Default{1}, "Only include transactions confirmed at least this many times."},
                    {"include_immature_coinbase", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include immature coinbase transactions."},
                },
                RPCResult{
                    RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received at this address."
                },
                RPCExamples{
            "\nThe amount from transactions with at least 1 confirmation\n"
            + HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\"") +
            "\nThe amount including unconfirmed transactions, zero confirmations\n"
            + HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 0") +
            "\nThe amount with at least 6 confirmations\n"
            + HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 6") +
            "\nThe amount with at least 6 confirmations including immature coinbase outputs\n"
            + HelpExampleCli("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\" 6 true") +
            "\nAs a JSON-RPC call\n"
            + HelpExampleRpc("getreceivedbyaddress", "\"" + EXAMPLE_ADDRESS[0] + "\", 6")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    // 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();

    LOCK(pwallet->cs_wallet);

    return ValueFromAmount(GetReceived(*pwallet, request.params, /*by_label=*/false));
},
    };
}


RPCHelpMan getreceivedbylabel()
{
    return RPCHelpMan{"getreceivedbylabel",
                "\nReturns the total amount received by addresses with <label> in transactions with at least [minconf] confirmations.\n",
                {
                    {"label", RPCArg::Type::STR, RPCArg::Optional::NO, "The selected label, may be the default label using \"\"."},
                    {"minconf", RPCArg::Type::NUM, RPCArg::Default{1}, "Only include transactions confirmed at least this many times."},
                    {"include_immature_coinbase", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include immature coinbase transactions."},
                },
                RPCResult{
                    RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received for this label."
                },
                RPCExamples{
            "\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") +
            "\nThe amount with at least 6 confirmations including immature coinbase outputs\n"
            + HelpExampleCli("getreceivedbylabel", "\"tabby\" 6 true") +
            "\nAs a JSON-RPC call\n"
            + HelpExampleRpc("getreceivedbylabel", "\"tabby\", 6, true")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    // 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();

    LOCK(pwallet->cs_wallet);

    return ValueFromAmount(GetReceived(*pwallet, request.params, /*by_label=*/true));
},
    };
}


RPCHelpMan getbalance()
{
    return RPCHelpMan{"getbalance",
                "\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",
                {
                    {"dummy", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Remains for backward compatibility. Must be excluded or set to \"*\"."},
                    {"minconf", RPCArg::Type::NUM, RPCArg::Default{0}, "Only include transactions confirmed at least this many times."},
                    {"include_watchonly", RPCArg::Type::BOOL, RPCArg::DefaultHint{"true for watch-only wallets, otherwise false"}, "Also include balance in watch-only addresses (see 'importaddress')"},
                    {"avoid_reuse", RPCArg::Type::BOOL, RPCArg::Default{true}, "(only available if avoid_reuse wallet flag is set) Do not include balance in dirty outputs; addresses are considered dirty if they have previously been used in a transaction."},
                },
                RPCResult{
                    RPCResult::Type::STR_AMOUNT, "amount", "The total amount in " + CURRENCY_UNIT + " received for this wallet."
                },
                RPCExamples{
            "\nThe total amount in the wallet with 0 or more confirmations\n"
            + HelpExampleCli("getbalance", "") +
            "\nThe total amount in the wallet with at least 6 confirmations\n"
            + HelpExampleCli("getbalance", "\"*\" 6") +
            "\nAs a JSON-RPC call\n"
            + HelpExampleRpc("getbalance", "\"*\", 6")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    // 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();

    LOCK(pwallet->cs_wallet);

    const auto dummy_value{self.MaybeArg<std::string>("dummy")};
    if (dummy_value && *dummy_value != "*") {
        throw JSONRPCError(RPC_METHOD_DEPRECATED, "dummy first argument must be excluded or set to \"*\".");
    }

    const auto min_depth{self.Arg<int>("minconf")};

    bool include_watchonly = ParseIncludeWatchonly(request.params[2], *pwallet);

    bool avoid_reuse = GetAvoidReuseFlag(*pwallet, request.params[3]);

    const auto bal = GetBalance(*pwallet, min_depth, avoid_reuse);

    return ValueFromAmount(bal.m_mine_trusted + (include_watchonly ? bal.m_watchonly_trusted : 0));
},
    };
}

RPCHelpMan getunconfirmedbalance()
{
    return RPCHelpMan{"getunconfirmedbalance",
                "DEPRECATED\nIdentical to getbalances().mine.untrusted_pending\n",
                {},
                RPCResult{RPCResult::Type::NUM, "", "The balance"},
                RPCExamples{""},
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    // 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();

    LOCK(pwallet->cs_wallet);

    return ValueFromAmount(GetBalance(*pwallet).m_mine_untrusted_pending);
},
    };
}

RPCHelpMan lockunspent()
{
    return RPCHelpMan{"lockunspent",
                "\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"
                "Manually selected coins are automatically unlocked.\n"
                "Locks are stored in memory only, unless persistent=true, in which case they will be written to the\n"
                "wallet database and loaded on node start. Unwritten (persistent=false) locks are always cleared\n"
                "(by virtue of process exit) when a node stops or fails. Unlocking will clear both persistent and not.\n"
                "Also see the listunspent call\n",
                {
                    {"unlock", RPCArg::Type::BOOL, RPCArg::Optional::NO, "Whether to unlock (true) or lock (false) the specified transactions"},
                    {"transactions", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The transaction outputs and within each, the txid (string) vout (numeric).",
                        {
                            {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
                                {
                                    {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                                    {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
                                },
                            },
                        },
                    },
                    {"persistent", RPCArg::Type::BOOL, RPCArg::Default{false}, "Whether to write/erase this lock in the wallet database, or keep the change in memory only. Ignored for unlocking."},
                },
                RPCResult{
                    RPCResult::Type::BOOL, "", "Whether the command was successful or not"
                },
                RPCExamples{
            "\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}]\"") +
            "\nLock the transaction persistently in the wallet database\n"
            + HelpExampleCli("lockunspent", "false \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\" true") +
            "\nAs a JSON-RPC call\n"
            + HelpExampleRpc("lockunspent", "false, \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    // 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();

    LOCK(pwallet->cs_wallet);

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

    const bool persistent{request.params[2].isNull() ? false : request.params[2].get_bool()};

    if (request.params[1].isNull()) {
        if (fUnlock) {
            if (!pwallet->UnlockAllCoins())
                throw JSONRPCError(RPC_WALLET_ERROR, "Unlocking coins failed");
        }
        return true;
    }

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

    // 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 Txid txid = Txid::FromUint256(ParseHashO(o, "txid"));
        const int nOutput = o.find_value("vout").getInt<int>();
        if (nOutput < 0) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout cannot be negative");
        }

        const COutPoint outpt(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)) {
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected unspent output");
        }

        const bool is_locked = pwallet->IsLockedCoin(outpt);

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

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

        outputs.push_back(outpt);
    }

    std::unique_ptr<WalletBatch> batch = nullptr;
    // Unlock is always persistent
    if (fUnlock || persistent) batch = std::make_unique<WalletBatch>(pwallet->GetDatabase());

    // Atomically set (un)locked status for the outputs.
    for (const COutPoint& outpt : outputs) {
        if (fUnlock) {
            if (!pwallet->UnlockCoin(outpt, batch.get())) throw JSONRPCError(RPC_WALLET_ERROR, "Unlocking coin failed");
        } else {
            if (!pwallet->LockCoin(outpt, batch.get())) throw JSONRPCError(RPC_WALLET_ERROR, "Locking coin failed");
        }
    }

    return true;
},
    };
}

RPCHelpMan listlockunspent()
{
    return RPCHelpMan{"listlockunspent",
                "\nReturns list of temporarily unspendable outputs.\n"
                "See the lockunspent call to lock and unlock transactions for spending.\n",
                {},
                RPCResult{
                    RPCResult::Type::ARR, "", "",
                    {
                        {RPCResult::Type::OBJ, "", "",
                        {
                            {RPCResult::Type::STR_HEX, "txid", "The transaction id locked"},
                            {RPCResult::Type::NUM, "vout", "The vout value"},
                        }},
                    }
                },
                RPCExamples{
            "\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", "")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    LOCK(pwallet->cs_wallet);

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

    UniValue ret(UniValue::VARR);

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

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

    return ret;
},
    };
}

RPCHelpMan getbalances()
{
    return RPCHelpMan{
        "getbalances",
        "Returns an object with all balances in " + CURRENCY_UNIT + ".\n",
        {},
        RPCResult{
            RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::OBJ, "mine", "balances from outputs that the wallet can sign",
                {
                    {RPCResult::Type::STR_AMOUNT, "trusted", "trusted balance (outputs created by the wallet or confirmed outputs)"},
                    {RPCResult::Type::STR_AMOUNT, "untrusted_pending", "untrusted pending balance (outputs created by others that are in the mempool)"},
                    {RPCResult::Type::STR_AMOUNT, "immature", "balance from immature coinbase outputs"},
                    {RPCResult::Type::STR_AMOUNT, "used", /*optional=*/true, "(only present if avoid_reuse is set) balance from coins sent to addresses that were previously spent from (potentially privacy violating)"},
                }},
                {RPCResult::Type::OBJ, "watchonly", /*optional=*/true, "watchonly balances (not present if wallet does not watch anything)",
                {
                    {RPCResult::Type::STR_AMOUNT, "trusted", "trusted balance (outputs created by the wallet or confirmed outputs)"},
                    {RPCResult::Type::STR_AMOUNT, "untrusted_pending", "untrusted pending balance (outputs created by others that are in the mempool)"},
                    {RPCResult::Type::STR_AMOUNT, "immature", "balance from immature coinbase outputs"},
                }},
                RESULT_LAST_PROCESSED_BLOCK,
            }
            },
        RPCExamples{
            HelpExampleCli("getbalances", "") +
            HelpExampleRpc("getbalances", "")},
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> rpc_wallet = GetWalletForJSONRPCRequest(request);
    if (!rpc_wallet) return UniValue::VNULL;
    const CWallet& wallet = *rpc_wallet;

    // 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
    wallet.BlockUntilSyncedToCurrentChain();

    LOCK(wallet.cs_wallet);

    const auto bal = GetBalance(wallet);
    UniValue balances{UniValue::VOBJ};
    {
        UniValue balances_mine{UniValue::VOBJ};
        balances_mine.pushKV("trusted", ValueFromAmount(bal.m_mine_trusted));
        balances_mine.pushKV("untrusted_pending", ValueFromAmount(bal.m_mine_untrusted_pending));
        balances_mine.pushKV("immature", ValueFromAmount(bal.m_mine_immature));
        if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
            // If the AVOID_REUSE flag is set, bal has been set to just the un-reused address balance. Get
            // the total balance, and then subtract bal to get the reused address balance.
            const auto full_bal = GetBalance(wallet, 0, false);
            balances_mine.pushKV("used", ValueFromAmount(full_bal.m_mine_trusted + full_bal.m_mine_untrusted_pending - bal.m_mine_trusted - bal.m_mine_untrusted_pending));
        }
        balances.pushKV("mine", std::move(balances_mine));
    }
    auto spk_man = wallet.GetLegacyScriptPubKeyMan();
    if (spk_man && spk_man->HaveWatchOnly()) {
        UniValue balances_watchonly{UniValue::VOBJ};
        balances_watchonly.pushKV("trusted", ValueFromAmount(bal.m_watchonly_trusted));
        balances_watchonly.pushKV("untrusted_pending", ValueFromAmount(bal.m_watchonly_untrusted_pending));
        balances_watchonly.pushKV("immature", ValueFromAmount(bal.m_watchonly_immature));
        balances.pushKV("watchonly", std::move(balances_watchonly));
    }

    AppendLastProcessedBlock(balances, wallet);
    return balances;
},
    };
}

RPCHelpMan listunspent()
{
    return RPCHelpMan{
                "listunspent",
                "\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",
                {
                    {"minconf", RPCArg::Type::NUM, RPCArg::Default{1}, "The minimum confirmations to filter"},
                    {"maxconf", RPCArg::Type::NUM, RPCArg::Default{9999999}, "The maximum confirmations to filter"},
                    {"addresses", RPCArg::Type::ARR, RPCArg::Default{UniValue::VARR}, "The bitcoin addresses to filter",
                        {
                            {"address", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "bitcoin address"},
                        },
                    },
                    {"include_unsafe", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include outputs that are not safe to spend\n"
                              "See description of \"safe\" attribute below."},
                    {"query_options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
                        {
                            {"minimumAmount", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(0)}, "Minimum value of each UTXO in " + CURRENCY_UNIT + ""},
                            {"maximumAmount", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"unlimited"}, "Maximum value of each UTXO in " + CURRENCY_UNIT + ""},
                            {"maximumCount", RPCArg::Type::NUM, RPCArg::DefaultHint{"unlimited"}, "Maximum number of UTXOs"},
                            {"minimumSumAmount", RPCArg::Type::AMOUNT, RPCArg::DefaultHint{"unlimited"}, "Minimum sum value of all UTXOs in " + CURRENCY_UNIT + ""},
                            {"include_immature_coinbase", RPCArg::Type::BOOL, RPCArg::Default{false}, "Include immature coinbase UTXOs"}
                        },
                        RPCArgOptions{.oneline_description="query_options"}},
                },
                RPCResult{
                    RPCResult::Type::ARR, "", "",
                    {
                        {RPCResult::Type::OBJ, "", "",
                        {
                            {RPCResult::Type::STR_HEX, "txid", "the transaction id"},
                            {RPCResult::Type::NUM, "vout", "the vout value"},
                            {RPCResult::Type::STR, "address", /*optional=*/true, "the bitcoin address"},
                            {RPCResult::Type::STR, "label", /*optional=*/true, "The associated label, or \"\" for the default label"},
                            {RPCResult::Type::STR, "scriptPubKey", "the output script"},
                            {RPCResult::Type::STR_AMOUNT, "amount", "the transaction output amount in " + CURRENCY_UNIT},
                            {RPCResult::Type::NUM, "confirmations", "The number of confirmations"},
                            {RPCResult::Type::NUM, "ancestorcount", /*optional=*/true, "The number of in-mempool ancestor transactions, including this one (if transaction is in the mempool)"},
                            {RPCResult::Type::NUM, "ancestorsize", /*optional=*/true, "The virtual transaction size of in-mempool ancestors, including this one (if transaction is in the mempool)"},
                            {RPCResult::Type::STR_AMOUNT, "ancestorfees", /*optional=*/true, "The total fees of in-mempool ancestors (including this one) with fee deltas used for mining priority in " + CURRENCY_ATOM + " (if transaction is in the mempool)"},
                            {RPCResult::Type::STR_HEX, "redeemScript", /*optional=*/true, "The redeem script if the output script is P2SH"},
                            {RPCResult::Type::STR, "witnessScript", /*optional=*/true, "witness script if the output script is P2WSH or P2SH-P2WSH"},
                            {RPCResult::Type::BOOL, "spendable", "Whether we have the private keys to spend this output"},
                            {RPCResult::Type::BOOL, "solvable", "Whether we know how to spend this output, ignoring the lack of keys"},
                            {RPCResult::Type::BOOL, "reused", /*optional=*/true, "(only present if avoid_reuse is set) Whether this output is reused/dirty (sent to an address that was previously spent from)"},
                            {RPCResult::Type::STR, "desc", /*optional=*/true, "(only when solvable) A descriptor for spending this output"},
                            {RPCResult::Type::ARR, "parent_descs", /*optional=*/false, "List of parent descriptors for the output script of this coin.", {
                                {RPCResult::Type::STR, "desc", "The descriptor string."},
                            }},
                            {RPCResult::Type::BOOL, "safe", "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."},
                        }},
                    }
                },
                RPCExamples{
                    HelpExampleCli("listunspent", "")
            + HelpExampleCli("listunspent", "6 9999999 \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"")
            + HelpExampleRpc("listunspent", "6, 9999999 \"[\\\"" + EXAMPLE_ADDRESS[0] + "\\\",\\\"" + EXAMPLE_ADDRESS[1] + "\\\"]\"")
            + HelpExampleCli("listunspent", "6 9999999 '[]' true '{ \"minimumAmount\": 0.005 }'")
            + HelpExampleRpc("listunspent", "6, 9999999, [] , true, { \"minimumAmount\": 0.005 } ")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const std::shared_ptr<const CWallet> pwallet = GetWalletForJSONRPCRequest(request);
    if (!pwallet) return UniValue::VNULL;

    int nMinDepth = 1;
    if (!request.params[0].isNull()) {
        nMinDepth = request.params[0].getInt<int>();
    }

    int nMaxDepth = 9999999;
    if (!request.params[1].isNull()) {
        nMaxDepth = request.params[1].getInt<int>();
    }

    std::set<CTxDestination> destinations;
    if (!request.params[2].isNull()) {
        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()) {
        include_unsafe = request.params[3].get_bool();
    }

    CoinFilterParams filter_coins;
    filter_coins.min_amount = 0;

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

        RPCTypeCheckObj(options,
            {
                {"minimumAmount", UniValueType()},
                {"maximumAmount", UniValueType()},
                {"minimumSumAmount", UniValueType()},
                {"maximumCount", UniValueType(UniValue::VNUM)},
                {"include_immature_coinbase", UniValueType(UniValue::VBOOL)}
            },
            true, true);

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

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

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

        if (options.exists("maximumCount"))
            filter_coins.max_count = options["maximumCount"].getInt<int64_t>();

        if (options.exists("include_immature_coinbase")) {
            filter_coins.include_immature_coinbase = options["include_immature_coinbase"].get_bool();
        }
    }

    // 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;
    {
        CCoinControl cctl;
        cctl.m_avoid_address_reuse = false;
        cctl.m_min_depth = nMinDepth;
        cctl.m_max_depth = nMaxDepth;
        cctl.m_include_unsafe_inputs = include_unsafe;
        LOCK(pwallet->cs_wallet);
        vecOutputs = AvailableCoinsListUnspent(*pwallet, &cctl, filter_coins).All();
    }

    LOCK(pwallet->cs_wallet);

    const bool avoid_reuse = pwallet->IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE);

    for (const COutput& out : vecOutputs) {
        CTxDestination address;
        const CScript& scriptPubKey = out.txout.scriptPubKey;
        bool fValidAddress = ExtractDestination(scriptPubKey, address);
        bool reused = avoid_reuse && pwallet->IsSpentKey(scriptPubKey);

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

        UniValue entry(UniValue::VOBJ);
        entry.pushKV("txid", out.outpoint.hash.GetHex());
        entry.pushKV("vout", (int)out.outpoint.n);

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

            const auto* address_book_entry = pwallet->FindAddressBookEntry(address);
            if (address_book_entry) {
                entry.pushKV("label", address_book_entry->GetLabel());
            }

            std::unique_ptr<SigningProvider> provider = pwallet->GetSolvingProvider(scriptPubKey);
            if (provider) {
                if (scriptPubKey.IsPayToScriptHash()) {
                    const CScriptID hash = ToScriptID(std::get<ScriptHash>(address));
                    CScript redeemScript;
                    if (provider->GetCScript(hash, redeemScript)) {
                        entry.pushKV("redeemScript", HexStr(redeemScript));
                        // Now check if the redeemScript is actually a P2WSH script
                        CTxDestination witness_destination;
                        if (redeemScript.IsPayToWitnessScriptHash()) {
                            bool extracted = ExtractDestination(redeemScript, witness_destination);
                            CHECK_NONFATAL(extracted);
                            // Also return the witness script
                            const WitnessV0ScriptHash& whash = std::get<WitnessV0ScriptHash>(witness_destination);
                            CScriptID id{RIPEMD160(whash)};
                            CScript witnessScript;
                            if (provider->GetCScript(id, witnessScript)) {
                                entry.pushKV("witnessScript", HexStr(witnessScript));
                            }
                        }
                    }
                } else if (scriptPubKey.IsPayToWitnessScriptHash()) {
                    const WitnessV0ScriptHash& whash = std::get<WitnessV0ScriptHash>(address);
                    CScriptID id{RIPEMD160(whash)};
                    CScript witnessScript;
                    if (provider->GetCScript(id, witnessScript)) {
                        entry.pushKV("witnessScript", HexStr(witnessScript));
                    }
                }
            }
        }

        entry.pushKV("scriptPubKey", HexStr(scriptPubKey));
        entry.pushKV("amount", ValueFromAmount(out.txout.nValue));
        entry.pushKV("confirmations", out.depth);
        if (!out.depth) {
            size_t ancestor_count, descendant_count, ancestor_size;
            CAmount ancestor_fees;
            pwallet->chain().getTransactionAncestry(out.outpoint.hash, ancestor_count, descendant_count, &ancestor_size, &ancestor_fees);
            if (ancestor_count) {
                entry.pushKV("ancestorcount", uint64_t(ancestor_count));
                entry.pushKV("ancestorsize", uint64_t(ancestor_size));
                entry.pushKV("ancestorfees", uint64_t(ancestor_fees));
            }
        }
        entry.pushKV("spendable", out.spendable);
        entry.pushKV("solvable", out.solvable);
        if (out.solvable) {
            std::unique_ptr<SigningProvider> provider = pwallet->GetSolvingProvider(scriptPubKey);
            if (provider) {
                auto descriptor = InferDescriptor(scriptPubKey, *provider);
                entry.pushKV("desc", descriptor->ToString());
            }
        }
        PushParentDescriptors(*pwallet, scriptPubKey, entry);
        if (avoid_reuse) entry.pushKV("reused", reused);
        entry.pushKV("safe", out.safe);
        results.push_back(std::move(entry));
    }

    return results;
},
    };
}
} // namespace wallet