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-rw-r--r--src/wallet/interfaces.cpp587
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diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
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+// Copyright (c) 2018-2020 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 <interfaces/wallet.h>
+
+#include <amount.h>
+#include <interfaces/chain.h>
+#include <interfaces/handler.h>
+#include <policy/fees.h>
+#include <primitives/transaction.h>
+#include <rpc/server.h>
+#include <script/standard.h>
+#include <support/allocators/secure.h>
+#include <sync.h>
+#include <uint256.h>
+#include <util/check.h>
+#include <util/ref.h>
+#include <util/system.h>
+#include <util/ui_change_type.h>
+#include <wallet/context.h>
+#include <wallet/feebumper.h>
+#include <wallet/fees.h>
+#include <wallet/ismine.h>
+#include <wallet/load.h>
+#include <wallet/rpcwallet.h>
+#include <wallet/wallet.h>
+
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+using interfaces::Chain;
+using interfaces::FoundBlock;
+using interfaces::Handler;
+using interfaces::MakeHandler;
+using interfaces::Wallet;
+using interfaces::WalletAddress;
+using interfaces::WalletBalances;
+using interfaces::WalletClient;
+using interfaces::WalletOrderForm;
+using interfaces::WalletTx;
+using interfaces::WalletTxOut;
+using interfaces::WalletTxStatus;
+using interfaces::WalletValueMap;
+
+namespace wallet {
+namespace {
+//! Construct wallet tx struct.
+WalletTx MakeWalletTx(CWallet& wallet, const CWalletTx& wtx)
+{
+ LOCK(wallet.cs_wallet);
+ WalletTx result;
+ result.tx = wtx.tx;
+ result.txin_is_mine.reserve(wtx.tx->vin.size());
+ for (const auto& txin : wtx.tx->vin) {
+ result.txin_is_mine.emplace_back(wallet.IsMine(txin));
+ }
+ result.txout_is_mine.reserve(wtx.tx->vout.size());
+ result.txout_address.reserve(wtx.tx->vout.size());
+ result.txout_address_is_mine.reserve(wtx.tx->vout.size());
+ for (const auto& txout : wtx.tx->vout) {
+ result.txout_is_mine.emplace_back(wallet.IsMine(txout));
+ result.txout_address.emplace_back();
+ result.txout_address_is_mine.emplace_back(ExtractDestination(txout.scriptPubKey, result.txout_address.back()) ?
+ wallet.IsMine(result.txout_address.back()) :
+ ISMINE_NO);
+ }
+ result.credit = wtx.GetCredit(ISMINE_ALL);
+ result.debit = wtx.GetDebit(ISMINE_ALL);
+ result.change = wtx.GetChange();
+ result.time = wtx.GetTxTime();
+ result.value_map = wtx.mapValue;
+ result.is_coinbase = wtx.IsCoinBase();
+ return result;
+}
+
+//! Construct wallet tx status struct.
+WalletTxStatus MakeWalletTxStatus(CWallet& wallet, const CWalletTx& wtx)
+{
+ WalletTxStatus result;
+ result.block_height = wtx.m_confirm.block_height > 0 ? wtx.m_confirm.block_height : std::numeric_limits<int>::max();
+ result.blocks_to_maturity = wtx.GetBlocksToMaturity();
+ result.depth_in_main_chain = wtx.GetDepthInMainChain();
+ result.time_received = wtx.nTimeReceived;
+ result.lock_time = wtx.tx->nLockTime;
+ result.is_final = wallet.chain().checkFinalTx(*wtx.tx);
+ result.is_trusted = wtx.IsTrusted();
+ result.is_abandoned = wtx.isAbandoned();
+ result.is_coinbase = wtx.IsCoinBase();
+ result.is_in_main_chain = wtx.IsInMainChain();
+ return result;
+}
+
+//! Construct wallet TxOut struct.
+WalletTxOut MakeWalletTxOut(CWallet& wallet,
+ const CWalletTx& wtx,
+ int n,
+ int depth) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
+{
+ WalletTxOut result;
+ result.txout = wtx.tx->vout[n];
+ result.time = wtx.GetTxTime();
+ result.depth_in_main_chain = depth;
+ result.is_spent = wallet.IsSpent(wtx.GetHash(), n);
+ return result;
+}
+
+class WalletImpl : public Wallet
+{
+public:
+ explicit WalletImpl(const std::shared_ptr<CWallet>& wallet) : m_wallet(wallet) {}
+
+ bool encryptWallet(const SecureString& wallet_passphrase) override
+ {
+ return m_wallet->EncryptWallet(wallet_passphrase);
+ }
+ bool isCrypted() override { return m_wallet->IsCrypted(); }
+ bool lock() override { return m_wallet->Lock(); }
+ bool unlock(const SecureString& wallet_passphrase) override { return m_wallet->Unlock(wallet_passphrase); }
+ bool isLocked() override { return m_wallet->IsLocked(); }
+ bool changeWalletPassphrase(const SecureString& old_wallet_passphrase,
+ const SecureString& new_wallet_passphrase) override
+ {
+ return m_wallet->ChangeWalletPassphrase(old_wallet_passphrase, new_wallet_passphrase);
+ }
+ void abortRescan() override { m_wallet->AbortRescan(); }
+ bool backupWallet(const std::string& filename) override { return m_wallet->BackupWallet(filename); }
+ std::string getWalletName() override { return m_wallet->GetName(); }
+ bool getNewDestination(const OutputType type, const std::string label, CTxDestination& dest) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ std::string error;
+ return m_wallet->GetNewDestination(type, label, dest, error);
+ }
+ bool getPubKey(const CScript& script, const CKeyID& address, CPubKey& pub_key) override
+ {
+ std::unique_ptr<SigningProvider> provider = m_wallet->GetSolvingProvider(script);
+ if (provider) {
+ return provider->GetPubKey(address, pub_key);
+ }
+ return false;
+ }
+ SigningResult signMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) override
+ {
+ return m_wallet->SignMessage(message, pkhash, str_sig);
+ }
+ bool isSpendable(const CTxDestination& dest) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->IsMine(dest) & ISMINE_SPENDABLE;
+ }
+ bool haveWatchOnly() override
+ {
+ auto spk_man = m_wallet->GetLegacyScriptPubKeyMan();
+ if (spk_man) {
+ return spk_man->HaveWatchOnly();
+ }
+ return false;
+ };
+ bool setAddressBook(const CTxDestination& dest, const std::string& name, const std::string& purpose) override
+ {
+ return m_wallet->SetAddressBook(dest, name, purpose);
+ }
+ bool delAddressBook(const CTxDestination& dest) override
+ {
+ return m_wallet->DelAddressBook(dest);
+ }
+ bool getAddress(const CTxDestination& dest,
+ std::string* name,
+ isminetype* is_mine,
+ std::string* purpose) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ auto it = m_wallet->m_address_book.find(dest);
+ if (it == m_wallet->m_address_book.end() || it->second.IsChange()) {
+ return false;
+ }
+ if (name) {
+ *name = it->second.GetLabel();
+ }
+ if (is_mine) {
+ *is_mine = m_wallet->IsMine(dest);
+ }
+ if (purpose) {
+ *purpose = it->second.purpose;
+ }
+ return true;
+ }
+ std::vector<WalletAddress> getAddresses() override
+ {
+ LOCK(m_wallet->cs_wallet);
+ std::vector<WalletAddress> result;
+ for (const auto& item : m_wallet->m_address_book) {
+ if (item.second.IsChange()) continue;
+ result.emplace_back(item.first, m_wallet->IsMine(item.first), item.second.GetLabel(), item.second.purpose);
+ }
+ return result;
+ }
+ bool addDestData(const CTxDestination& dest, const std::string& key, const std::string& value) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ WalletBatch batch{m_wallet->GetDatabase()};
+ return m_wallet->AddDestData(batch, dest, key, value);
+ }
+ bool eraseDestData(const CTxDestination& dest, const std::string& key) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ WalletBatch batch{m_wallet->GetDatabase()};
+ return m_wallet->EraseDestData(batch, dest, key);
+ }
+ std::vector<std::string> getDestValues(const std::string& prefix) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->GetDestValues(prefix);
+ }
+ void lockCoin(const COutPoint& output) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->LockCoin(output);
+ }
+ void unlockCoin(const COutPoint& output) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->UnlockCoin(output);
+ }
+ bool isLockedCoin(const COutPoint& output) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->IsLockedCoin(output.hash, output.n);
+ }
+ void listLockedCoins(std::vector<COutPoint>& outputs) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->ListLockedCoins(outputs);
+ }
+ CTransactionRef createTransaction(const std::vector<CRecipient>& recipients,
+ const CCoinControl& coin_control,
+ bool sign,
+ int& change_pos,
+ CAmount& fee,
+ bilingual_str& fail_reason) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ CTransactionRef tx;
+ FeeCalculation fee_calc_out;
+ if (!m_wallet->CreateTransaction(recipients, tx, fee, change_pos,
+ fail_reason, coin_control, fee_calc_out, sign)) {
+ return {};
+ }
+ return tx;
+ }
+ void commitTransaction(CTransactionRef tx,
+ WalletValueMap value_map,
+ WalletOrderForm order_form) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ m_wallet->CommitTransaction(std::move(tx), std::move(value_map), std::move(order_form));
+ }
+ bool transactionCanBeAbandoned(const uint256& txid) override { return m_wallet->TransactionCanBeAbandoned(txid); }
+ bool abandonTransaction(const uint256& txid) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->AbandonTransaction(txid);
+ }
+ bool transactionCanBeBumped(const uint256& txid) override
+ {
+ return feebumper::TransactionCanBeBumped(*m_wallet.get(), txid);
+ }
+ bool createBumpTransaction(const uint256& txid,
+ const CCoinControl& coin_control,
+ std::vector<bilingual_str>& errors,
+ CAmount& old_fee,
+ CAmount& new_fee,
+ CMutableTransaction& mtx) override
+ {
+ return feebumper::CreateRateBumpTransaction(*m_wallet.get(), txid, coin_control, errors, old_fee, new_fee, mtx) == feebumper::Result::OK;
+ }
+ bool signBumpTransaction(CMutableTransaction& mtx) override { return feebumper::SignTransaction(*m_wallet.get(), mtx); }
+ bool commitBumpTransaction(const uint256& txid,
+ CMutableTransaction&& mtx,
+ std::vector<bilingual_str>& errors,
+ uint256& bumped_txid) override
+ {
+ return feebumper::CommitTransaction(*m_wallet.get(), txid, std::move(mtx), errors, bumped_txid) ==
+ feebumper::Result::OK;
+ }
+ CTransactionRef getTx(const uint256& txid) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ auto mi = m_wallet->mapWallet.find(txid);
+ if (mi != m_wallet->mapWallet.end()) {
+ return mi->second.tx;
+ }
+ return {};
+ }
+ WalletTx getWalletTx(const uint256& txid) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ auto mi = m_wallet->mapWallet.find(txid);
+ if (mi != m_wallet->mapWallet.end()) {
+ return MakeWalletTx(*m_wallet, mi->second);
+ }
+ return {};
+ }
+ std::vector<WalletTx> getWalletTxs() override
+ {
+ LOCK(m_wallet->cs_wallet);
+ std::vector<WalletTx> result;
+ result.reserve(m_wallet->mapWallet.size());
+ for (const auto& entry : m_wallet->mapWallet) {
+ result.emplace_back(MakeWalletTx(*m_wallet, entry.second));
+ }
+ return result;
+ }
+ bool tryGetTxStatus(const uint256& txid,
+ interfaces::WalletTxStatus& tx_status,
+ int& num_blocks,
+ int64_t& block_time) override
+ {
+ TRY_LOCK(m_wallet->cs_wallet, locked_wallet);
+ if (!locked_wallet) {
+ return false;
+ }
+ auto mi = m_wallet->mapWallet.find(txid);
+ if (mi == m_wallet->mapWallet.end()) {
+ return false;
+ }
+ num_blocks = m_wallet->GetLastBlockHeight();
+ block_time = -1;
+ CHECK_NONFATAL(m_wallet->chain().findBlock(m_wallet->GetLastBlockHash(), FoundBlock().time(block_time)));
+ tx_status = MakeWalletTxStatus(*m_wallet, mi->second);
+ return true;
+ }
+ WalletTx getWalletTxDetails(const uint256& txid,
+ WalletTxStatus& tx_status,
+ WalletOrderForm& order_form,
+ bool& in_mempool,
+ int& num_blocks) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ auto mi = m_wallet->mapWallet.find(txid);
+ if (mi != m_wallet->mapWallet.end()) {
+ num_blocks = m_wallet->GetLastBlockHeight();
+ in_mempool = mi->second.InMempool();
+ order_form = mi->second.vOrderForm;
+ tx_status = MakeWalletTxStatus(*m_wallet, mi->second);
+ return MakeWalletTx(*m_wallet, mi->second);
+ }
+ return {};
+ }
+ TransactionError fillPSBT(int sighash_type,
+ bool sign,
+ bool bip32derivs,
+ PartiallySignedTransaction& psbtx,
+ bool& complete,
+ size_t* n_signed) override
+ {
+ return m_wallet->FillPSBT(psbtx, complete, sighash_type, sign, bip32derivs, n_signed);
+ }
+ WalletBalances getBalances() override
+ {
+ const auto bal = m_wallet->GetBalance();
+ WalletBalances result;
+ result.balance = bal.m_mine_trusted;
+ result.unconfirmed_balance = bal.m_mine_untrusted_pending;
+ result.immature_balance = bal.m_mine_immature;
+ result.have_watch_only = haveWatchOnly();
+ if (result.have_watch_only) {
+ result.watch_only_balance = bal.m_watchonly_trusted;
+ result.unconfirmed_watch_only_balance = bal.m_watchonly_untrusted_pending;
+ result.immature_watch_only_balance = bal.m_watchonly_immature;
+ }
+ return result;
+ }
+ bool tryGetBalances(WalletBalances& balances, uint256& block_hash) override
+ {
+ TRY_LOCK(m_wallet->cs_wallet, locked_wallet);
+ if (!locked_wallet) {
+ return false;
+ }
+ block_hash = m_wallet->GetLastBlockHash();
+ balances = getBalances();
+ return true;
+ }
+ CAmount getBalance() override { return m_wallet->GetBalance().m_mine_trusted; }
+ CAmount getAvailableBalance(const CCoinControl& coin_control) override
+ {
+ return m_wallet->GetAvailableBalance(&coin_control);
+ }
+ isminetype txinIsMine(const CTxIn& txin) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->IsMine(txin);
+ }
+ isminetype txoutIsMine(const CTxOut& txout) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->IsMine(txout);
+ }
+ CAmount getDebit(const CTxIn& txin, isminefilter filter) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->GetDebit(txin, filter);
+ }
+ CAmount getCredit(const CTxOut& txout, isminefilter filter) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ return m_wallet->GetCredit(txout, filter);
+ }
+ CoinsList listCoins() override
+ {
+ LOCK(m_wallet->cs_wallet);
+ CoinsList result;
+ for (const auto& entry : m_wallet->ListCoins()) {
+ auto& group = result[entry.first];
+ for (const auto& coin : entry.second) {
+ group.emplace_back(COutPoint(coin.tx->GetHash(), coin.i),
+ MakeWalletTxOut(*m_wallet, *coin.tx, coin.i, coin.nDepth));
+ }
+ }
+ return result;
+ }
+ std::vector<WalletTxOut> getCoins(const std::vector<COutPoint>& outputs) override
+ {
+ LOCK(m_wallet->cs_wallet);
+ std::vector<WalletTxOut> result;
+ result.reserve(outputs.size());
+ for (const auto& output : outputs) {
+ result.emplace_back();
+ auto it = m_wallet->mapWallet.find(output.hash);
+ if (it != m_wallet->mapWallet.end()) {
+ int depth = it->second.GetDepthInMainChain();
+ if (depth >= 0) {
+ result.back() = MakeWalletTxOut(*m_wallet, it->second, output.n, depth);
+ }
+ }
+ }
+ return result;
+ }
+ CAmount getRequiredFee(unsigned int tx_bytes) override { return GetRequiredFee(*m_wallet, tx_bytes); }
+ CAmount getMinimumFee(unsigned int tx_bytes,
+ const CCoinControl& coin_control,
+ int* returned_target,
+ FeeReason* reason) override
+ {
+ FeeCalculation fee_calc;
+ CAmount result;
+ result = GetMinimumFee(*m_wallet, tx_bytes, coin_control, &fee_calc);
+ if (returned_target) *returned_target = fee_calc.returnedTarget;
+ if (reason) *reason = fee_calc.reason;
+ return result;
+ }
+ unsigned int getConfirmTarget() override { return m_wallet->m_confirm_target; }
+ bool hdEnabled() override { return m_wallet->IsHDEnabled(); }
+ bool canGetAddresses() override { return m_wallet->CanGetAddresses(); }
+ bool privateKeysDisabled() override { return m_wallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS); }
+ OutputType getDefaultAddressType() override { return m_wallet->m_default_address_type; }
+ CAmount getDefaultMaxTxFee() override { return m_wallet->m_default_max_tx_fee; }
+ void remove() override
+ {
+ RemoveWallet(m_wallet, false /* load_on_start */);
+ }
+ bool isLegacy() override { return m_wallet->IsLegacy(); }
+ std::unique_ptr<Handler> handleUnload(UnloadFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyUnload.connect(fn));
+ }
+ std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) override
+ {
+ return MakeHandler(m_wallet->ShowProgress.connect(fn));
+ }
+ std::unique_ptr<Handler> handleStatusChanged(StatusChangedFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyStatusChanged.connect([fn](CWallet*) { fn(); }));
+ }
+ std::unique_ptr<Handler> handleAddressBookChanged(AddressBookChangedFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyAddressBookChanged.connect(
+ [fn](CWallet*, const CTxDestination& address, const std::string& label, bool is_mine,
+ const std::string& purpose, ChangeType status) { fn(address, label, is_mine, purpose, status); }));
+ }
+ std::unique_ptr<Handler> handleTransactionChanged(TransactionChangedFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyTransactionChanged.connect(
+ [fn](CWallet*, const uint256& txid, ChangeType status) { fn(txid, status); }));
+ }
+ std::unique_ptr<Handler> handleWatchOnlyChanged(WatchOnlyChangedFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyWatchonlyChanged.connect(fn));
+ }
+ std::unique_ptr<Handler> handleCanGetAddressesChanged(CanGetAddressesChangedFn fn) override
+ {
+ return MakeHandler(m_wallet->NotifyCanGetAddressesChanged.connect(fn));
+ }
+ CWallet* wallet() override { return m_wallet.get(); }
+
+ std::shared_ptr<CWallet> m_wallet;
+};
+
+class WalletClientImpl : public WalletClient
+{
+public:
+ WalletClientImpl(Chain& chain, ArgsManager& args)
+ {
+ m_context.chain = &chain;
+ m_context.args = &args;
+ }
+ ~WalletClientImpl() override { UnloadWallets(); }
+
+ //! ChainClient methods
+ void registerRpcs() override
+ {
+ for (const CRPCCommand& command : GetWalletRPCCommands()) {
+ m_rpc_commands.emplace_back(command.category, command.name, [this, &command](const JSONRPCRequest& request, UniValue& result, bool last_handler) {
+ return command.actor({request, m_context}, result, last_handler);
+ }, command.argNames, command.unique_id);
+ m_rpc_handlers.emplace_back(m_context.chain->handleRpc(m_rpc_commands.back()));
+ }
+ }
+ bool verify() override { return VerifyWallets(*m_context.chain); }
+ bool load() override { return LoadWallets(*m_context.chain); }
+ void start(CScheduler& scheduler) override { return StartWallets(scheduler, *Assert(m_context.args)); }
+ void flush() override { return FlushWallets(); }
+ void stop() override { return StopWallets(); }
+ void setMockTime(int64_t time) override { return SetMockTime(time); }
+
+ //! WalletClient methods
+ std::unique_ptr<Wallet> createWallet(const std::string& name, const SecureString& passphrase, uint64_t wallet_creation_flags, bilingual_str& error, std::vector<bilingual_str>& warnings) override
+ {
+ std::shared_ptr<CWallet> wallet;
+ DatabaseOptions options;
+ DatabaseStatus status;
+ options.require_create = true;
+ options.create_flags = wallet_creation_flags;
+ options.create_passphrase = passphrase;
+ return MakeWallet(CreateWallet(*m_context.chain, name, true /* load_on_start */, options, status, error, warnings));
+ }
+ std::unique_ptr<Wallet> loadWallet(const std::string& name, bilingual_str& error, std::vector<bilingual_str>& warnings) override
+ {
+ DatabaseOptions options;
+ DatabaseStatus status;
+ options.require_existing = true;
+ return MakeWallet(LoadWallet(*m_context.chain, name, true /* load_on_start */, options, status, error, warnings));
+ }
+ std::string getWalletDir() override
+ {
+ return GetWalletDir().string();
+ }
+ std::vector<std::string> listWalletDir() override
+ {
+ std::vector<std::string> paths;
+ for (auto& path : ListWalletDir()) {
+ paths.push_back(path.string());
+ }
+ return paths;
+ }
+ std::vector<std::unique_ptr<Wallet>> getWallets() override
+ {
+ std::vector<std::unique_ptr<Wallet>> wallets;
+ for (const auto& wallet : GetWallets()) {
+ wallets.emplace_back(MakeWallet(wallet));
+ }
+ return wallets;
+ }
+ std::unique_ptr<Handler> handleLoadWallet(LoadWalletFn fn) override
+ {
+ return HandleLoadWallet(std::move(fn));
+ }
+
+ WalletContext m_context;
+ const std::vector<std::string> m_wallet_filenames;
+ std::vector<std::unique_ptr<Handler>> m_rpc_handlers;
+ std::list<CRPCCommand> m_rpc_commands;
+};
+} // namespace
+} // namespace wallet
+
+namespace interfaces {
+std::unique_ptr<Wallet> MakeWallet(const std::shared_ptr<CWallet>& wallet) { return wallet ? MakeUnique<wallet::WalletImpl>(wallet) : nullptr; }
+
+std::unique_ptr<WalletClient> MakeWalletClient(Chain& chain, ArgsManager& args)
+{
+ return MakeUnique<wallet::WalletClientImpl>(chain, args);
+}
+} // namespace interfaces