aboutsummaryrefslogtreecommitdiff
path: root/src/wallet/wallet.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/wallet/wallet.cpp')
-rw-r--r--src/wallet/wallet.cpp1029
1 files changed, 832 insertions, 197 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 6cf9f9ce74..b25488f6a1 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -44,8 +44,6 @@
#include <assert.h>
#include <optional>
-#include <boost/algorithm/string/replace.hpp>
-
using interfaces::FoundBlock;
namespace wallet {
@@ -151,6 +149,13 @@ std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
return context.wallets;
}
+std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
+{
+ LOCK(context.wallets_mutex);
+ count = context.wallets.size();
+ return count == 1 ? context.wallets[0] : nullptr;
+}
+
std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
{
LOCK(context.wallets_mutex);
@@ -167,8 +172,16 @@ std::unique_ptr<interfaces::Handler> HandleLoadWallet(WalletContext& context, Lo
return interfaces::MakeHandler([&context, it] { LOCK(context.wallets_mutex); context.wallet_load_fns.erase(it); });
}
-static Mutex g_loading_wallet_mutex;
-static Mutex g_wallet_release_mutex;
+void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
+{
+ LOCK(context.wallets_mutex);
+ for (auto& load_wallet : context.wallet_load_fns) {
+ load_wallet(interfaces::MakeWallet(context, wallet));
+ }
+}
+
+static GlobalMutex g_loading_wallet_mutex;
+static GlobalMutex g_wallet_release_mutex;
static std::condition_variable g_wallet_release_cv;
static std::set<std::string> g_loading_wallet_set GUARDED_BY(g_loading_wallet_mutex);
static std::set<std::string> g_unloading_wallet_set GUARDED_BY(g_wallet_release_mutex);
@@ -232,6 +245,8 @@ std::shared_ptr<CWallet> LoadWalletInternal(WalletContext& context, const std::s
status = DatabaseStatus::FAILED_LOAD;
return nullptr;
}
+
+ NotifyWalletLoaded(context, wallet);
AddWallet(context, wallet);
wallet->postInitProcess();
@@ -289,6 +304,13 @@ std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string&
return nullptr;
}
+ // Do not allow a passphrase when private keys are disabled
+ if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ error = Untranslated("Passphrase provided but private keys are disabled. A passphrase is only used to encrypt private keys, so cannot be used for wallets with private keys disabled.");
+ status = DatabaseStatus::FAILED_CREATE;
+ return nullptr;
+ }
+
// Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
if (!database) {
@@ -297,13 +319,6 @@ std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string&
return nullptr;
}
- // Do not allow a passphrase when private keys are disabled
- if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
- error = Untranslated("Passphrase provided but private keys are disabled. A passphrase is only used to encrypt private keys, so cannot be used for wallets with private keys disabled.");
- status = DatabaseStatus::FAILED_CREATE;
- return nullptr;
- }
-
// Make the wallet
context.chain->initMessage(_("Loading wallet…").translated);
const std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), wallet_creation_flags, error, warnings);
@@ -348,12 +363,19 @@ std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string&
wallet->Lock();
}
}
+
+ NotifyWalletLoaded(context, wallet);
AddWallet(context, wallet);
wallet->postInitProcess();
// Write the wallet settings
UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
+ // Legacy wallets are being deprecated, warn if a newly created wallet is legacy
+ if (!(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS)) {
+ warnings.push_back(_("Wallet created successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future."));
+ }
+
status = DatabaseStatus::SUCCESS;
return wallet;
}
@@ -361,6 +383,7 @@ std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string&
std::shared_ptr<CWallet> RestoreWallet(WalletContext& context, const fs::path& backup_file, const std::string& wallet_name, std::optional<bool> load_on_start, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
{
DatabaseOptions options;
+ ReadDatabaseArgs(*context.args, options);
options.require_existing = true;
if (!fs::exists(backup_file)) {
@@ -398,7 +421,7 @@ std::shared_ptr<CWallet> RestoreWallet(WalletContext& context, const fs::path& b
const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
{
AssertLockHeld(cs_wallet);
- std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
+ const auto it = mapWallet.find(hash);
if (it == mapWallet.end())
return nullptr;
return &(it->second);
@@ -505,6 +528,11 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
void CWallet::chainStateFlushed(const CBlockLocator& loc)
{
+ // Don't update the best block until the chain is attached so that in case of a shutdown,
+ // the rescan will be restarted at next startup.
+ if (m_attaching_chain) {
+ return;
+ }
WalletBatch batch(GetDatabase());
batch.WriteBestBlock(loc);
}
@@ -514,6 +542,7 @@ void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in)
LOCK(cs_wallet);
if (nWalletVersion >= nVersion)
return;
+ WalletLogPrintf("Setting minversion to %d\n", nVersion);
nWalletVersion = nVersion;
{
@@ -530,7 +559,7 @@ std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
std::set<uint256> result;
AssertLockHeld(cs_wallet);
- std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(txid);
+ const auto it = mapWallet.find(txid);
if (it == mapWallet.end())
return result;
const CWalletTx& wtx = it->second;
@@ -548,11 +577,17 @@ std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
return result;
}
-bool CWallet::HasWalletSpend(const uint256& txid) const
+bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
{
AssertLockHeld(cs_wallet);
- auto iter = mapTxSpends.lower_bound(COutPoint(txid, 0));
- return (iter != mapTxSpends.end() && iter->first.hash == txid);
+ const uint256& txid = tx->GetHash();
+ for (unsigned int i = 0; i < tx->vout.size(); ++i) {
+ auto iter = mapTxSpends.find(COutPoint(txid, i));
+ if (iter != mapTxSpends.end()) {
+ return true;
+ }
+ }
+ return false;
}
void CWallet::Flush()
@@ -608,16 +643,14 @@ void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> ran
* Outpoint is spent if any non-conflicted transaction
* spends it:
*/
-bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
+bool CWallet::IsSpent(const COutPoint& outpoint) const
{
- const COutPoint outpoint(hash, n);
std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
range = mapTxSpends.equal_range(outpoint);
- for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
- {
+ for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
const uint256& wtxid = it->second;
- std::map<uint256, CWalletTx>::const_iterator mit = mapWallet.find(wtxid);
+ const auto mit = mapWallet.find(wtxid);
if (mit != mapWallet.end()) {
int depth = GetTxDepthInMainChain(mit->second);
if (depth > 0 || (depth == 0 && !mit->second.isAbandoned()))
@@ -644,16 +677,13 @@ void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid, Walle
}
-void CWallet::AddToSpends(const uint256& wtxid, WalletBatch* batch)
+void CWallet::AddToSpends(const CWalletTx& wtx, WalletBatch* batch)
{
- auto it = mapWallet.find(wtxid);
- assert(it != mapWallet.end());
- const CWalletTx& thisTx = it->second;
- if (thisTx.IsCoinBase()) // Coinbases don't spend anything!
+ if (wtx.IsCoinBase()) // Coinbases don't spend anything!
return;
- for (const CTxIn& txin : thisTx.tx->vin)
- AddToSpends(txin.prevout, wtxid, batch);
+ for (const CTxIn& txin : wtx.tx->vin)
+ AddToSpends(txin.prevout, wtx.GetHash(), batch);
}
bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
@@ -664,12 +694,12 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
CKeyingMaterial _vMasterKey;
_vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
- GetStrongRandBytes(_vMasterKey.data(), WALLET_CRYPTO_KEY_SIZE);
+ GetStrongRandBytes(_vMasterKey);
CMasterKey kMasterKey;
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
- GetStrongRandBytes(kMasterKey.vchSalt.data(), WALLET_CRYPTO_SALT_SIZE);
+ GetStrongRandBytes(kMasterKey.vchSalt);
CCrypter crypter;
int64_t nStartTime = GetTimeMillis();
@@ -887,35 +917,31 @@ void CWallet::SetSpentKeyState(WalletBatch& batch, const uint256& hash, unsigned
}
}
-bool CWallet::IsSpentKey(const uint256& hash, unsigned int n) const
+bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
{
AssertLockHeld(cs_wallet);
- const CWalletTx* srctx = GetWalletTx(hash);
- if (srctx) {
- assert(srctx->tx->vout.size() > n);
- CTxDestination dest;
- if (!ExtractDestination(srctx->tx->vout[n].scriptPubKey, dest)) {
- return false;
- }
- if (IsAddressUsed(dest)) {
- return true;
- }
- if (IsLegacy()) {
- LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
- assert(spk_man != nullptr);
- for (const auto& keyid : GetAffectedKeys(srctx->tx->vout[n].scriptPubKey, *spk_man)) {
- WitnessV0KeyHash wpkh_dest(keyid);
- if (IsAddressUsed(wpkh_dest)) {
- return true;
- }
- ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
- if (IsAddressUsed(sh_wpkh_dest)) {
- return true;
- }
- PKHash pkh_dest(keyid);
- if (IsAddressUsed(pkh_dest)) {
- return true;
- }
+ CTxDestination dest;
+ if (!ExtractDestination(scriptPubKey, dest)) {
+ return false;
+ }
+ if (IsAddressUsed(dest)) {
+ return true;
+ }
+ if (IsLegacy()) {
+ LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
+ assert(spk_man != nullptr);
+ for (const auto& keyid : GetAffectedKeys(scriptPubKey, *spk_man)) {
+ WitnessV0KeyHash wpkh_dest(keyid);
+ if (IsAddressUsed(wpkh_dest)) {
+ return true;
+ }
+ ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
+ if (IsAddressUsed(sh_wpkh_dest)) {
+ return true;
+ }
+ PKHash pkh_dest(keyid);
+ if (IsAddressUsed(pkh_dest)) {
+ return true;
}
}
}
@@ -952,7 +978,7 @@ CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const
wtx.nOrderPos = IncOrderPosNext(&batch);
wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
- AddToSpends(hash, &batch);
+ AddToSpends(wtx, &batch);
}
if (!fInsertedNew)
@@ -995,14 +1021,14 @@ CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const
if (!strCmd.empty())
{
- boost::replace_all(strCmd, "%s", hash.GetHex());
+ ReplaceAll(strCmd, "%s", hash.GetHex());
if (auto* conf = wtx.state<TxStateConfirmed>())
{
- boost::replace_all(strCmd, "%b", conf->confirmed_block_hash.GetHex());
- boost::replace_all(strCmd, "%h", ToString(conf->confirmed_block_height));
+ ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
+ ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
} else {
- boost::replace_all(strCmd, "%b", "unconfirmed");
- boost::replace_all(strCmd, "%h", "-1");
+ ReplaceAll(strCmd, "%b", "unconfirmed");
+ ReplaceAll(strCmd, "%h", "-1");
}
#ifndef WIN32
// Substituting the wallet name isn't currently supported on windows
@@ -1010,7 +1036,7 @@ CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const
// https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
// A few ways it could be implemented in the future are described in:
// https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
- boost::replace_all(strCmd, "%w", ShellEscape(GetName()));
+ ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
#endif
std::thread t(runCommand, strCmd);
t.detach(); // thread runs free
@@ -1051,7 +1077,7 @@ bool CWallet::LoadToWallet(const uint256& hash, const UpdateWalletTxFn& fill_wtx
if (/* insertion took place */ ins.second) {
wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
}
- AddToSpends(hash);
+ AddToSpends(wtx);
for (const CTxIn& txin : wtx.tx->vin) {
auto it = mapWallet.find(txin.prevout.hash);
if (it != mapWallet.end()) {
@@ -1118,7 +1144,13 @@ bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxS
// Block disconnection override an abandoned tx as unconfirmed
// which means user may have to call abandontransaction again
TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
- return AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, /*fFlushOnClose=*/false, rescanning_old_block);
+ CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, /*fFlushOnClose=*/false, rescanning_old_block);
+ if (!wtx) {
+ // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
+ // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
+ throw std::runtime_error("DB error adding transaction to wallet, write failed");
+ }
+ return true;
}
}
return false;
@@ -1179,12 +1211,13 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
batch.WriteTx(wtx);
NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
// Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too
- TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
- while (iter != mapTxSpends.end() && iter->first.hash == now) {
- if (!done.count(iter->second)) {
- todo.insert(iter->second);
+ for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
+ std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
+ for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
+ if (!done.count(iter->second)) {
+ todo.insert(iter->second);
+ }
}
- iter++;
}
// If a transaction changes 'conflicted' state, that changes the balance
// available of the outputs it spends. So force those to be recomputed
@@ -1230,12 +1263,13 @@ void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, c
wtx.MarkDirty();
batch.WriteTx(wtx);
// Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too
- TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
- while (iter != mapTxSpends.end() && iter->first.hash == now) {
- if (!done.count(iter->second)) {
- todo.insert(iter->second);
- }
- iter++;
+ for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
+ std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
+ for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
+ if (!done.count(iter->second)) {
+ todo.insert(iter->second);
+ }
+ }
}
// If a transaction changes 'conflicted' state, that changes the balance
// available of the outputs it spends. So force those to be recomputed
@@ -1302,30 +1336,31 @@ void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRe
}
}
-void CWallet::blockConnected(const CBlock& block, int height)
+void CWallet::blockConnected(const interfaces::BlockInfo& block)
{
- const uint256& block_hash = block.GetHash();
+ assert(block.data);
LOCK(cs_wallet);
- m_last_block_processed_height = height;
- m_last_block_processed = block_hash;
- for (size_t index = 0; index < block.vtx.size(); index++) {
- SyncTransaction(block.vtx[index], TxStateConfirmed{block_hash, height, static_cast<int>(index)});
- transactionRemovedFromMempool(block.vtx[index], MemPoolRemovalReason::BLOCK, 0 /* mempool_sequence */);
+ m_last_block_processed_height = block.height;
+ m_last_block_processed = block.hash;
+ for (size_t index = 0; index < block.data->vtx.size(); index++) {
+ SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
+ transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK, 0 /* mempool_sequence */);
}
}
-void CWallet::blockDisconnected(const CBlock& block, int height)
+void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
{
+ assert(block.data);
LOCK(cs_wallet);
// At block disconnection, this will change an abandoned transaction to
// be unconfirmed, whether or not the transaction is added back to the mempool.
// User may have to call abandontransaction again. It may be addressed in the
// future with a stickier abandoned state or even removing abandontransaction call.
- m_last_block_processed_height = height - 1;
- m_last_block_processed = block.hashPrevBlock;
- for (const CTransactionRef& ptx : block.vtx) {
+ m_last_block_processed_height = block.height - 1;
+ m_last_block_processed = *Assert(block.prev_hash);
+ for (const CTransactionRef& ptx : Assert(block.data)->vtx) {
SyncTransaction(ptx, TxStateInactive{});
}
}
@@ -1351,7 +1386,7 @@ CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
{
{
LOCK(cs_wallet);
- std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
+ const auto mi = mapWallet.find(txin.prevout.hash);
if (mi != mapWallet.end())
{
const CWalletTx& prev = (*mi).second;
@@ -1394,6 +1429,19 @@ bool CWallet::IsMine(const CTransaction& tx) const
return false;
}
+isminetype CWallet::IsMine(const COutPoint& outpoint) const
+{
+ AssertLockHeld(cs_wallet);
+ auto wtx = GetWalletTx(outpoint.hash);
+ if (!wtx) {
+ return ISMINE_NO;
+ }
+ if (outpoint.n >= wtx->tx->vout.size()) {
+ return ISMINE_NO;
+ }
+ return IsMine(wtx->tx->vout[outpoint.n]);
+}
+
bool CWallet::IsFromMe(const CTransaction& tx) const
{
return (GetDebit(tx, ISMINE_ALL) > 0);
@@ -1479,26 +1527,33 @@ bool CWallet::LoadWalletFlags(uint64_t flags)
return true;
}
-bool CWallet::AddWalletFlags(uint64_t flags)
+void CWallet::InitWalletFlags(uint64_t flags)
{
LOCK(cs_wallet);
+
// We should never be writing unknown non-tolerable wallet flags
assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
+ // This should only be used once, when creating a new wallet - so current flags are expected to be blank
+ assert(m_wallet_flags == 0);
+
if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
}
- return LoadWalletFlags(flags);
+ if (!LoadWalletFlags(flags)) assert(false);
}
// Helper for producing a max-sized low-S low-R signature (eg 71 bytes)
-// or a max-sized low-S signature (e.g. 72 bytes) if use_max_sig is true
-bool DummySignInput(const SigningProvider& provider, CTxIn &tx_in, const CTxOut &txout, bool use_max_sig)
+// or a max-sized low-S signature (e.g. 72 bytes) depending on coin_control
+bool DummySignInput(const SigningProvider& provider, CTxIn &tx_in, const CTxOut &txout, const CCoinControl* coin_control)
{
// Fill in dummy signatures for fee calculation.
const CScript& scriptPubKey = txout.scriptPubKey;
SignatureData sigdata;
+ // Use max sig if watch only inputs were used or if this particular input is an external input
+ // to ensure a sufficient fee is attained for the requested feerate.
+ const bool use_max_sig = coin_control && (coin_control->fAllowWatchOnly || coin_control->IsExternalSelected(tx_in.prevout));
if (!ProduceSignature(provider, use_max_sig ? DUMMY_MAXIMUM_SIGNATURE_CREATOR : DUMMY_SIGNATURE_CREATOR, scriptPubKey, sigdata)) {
return false;
}
@@ -1565,12 +1620,9 @@ bool CWallet::DummySignTx(CMutableTransaction &txNew, const std::vector<CTxOut>
nIn++;
continue;
}
- // Use max sig if watch only inputs were used or if this particular input is an external input
- // to ensure a sufficient fee is attained for the requested feerate.
- const bool use_max_sig = coin_control && (coin_control->fAllowWatchOnly || coin_control->IsExternalSelected(txin.prevout));
const std::unique_ptr<SigningProvider> provider = GetSolvingProvider(txout.scriptPubKey);
- if (!provider || !DummySignInput(*provider, txin, txout, use_max_sig)) {
- if (!coin_control || !DummySignInput(coin_control->m_external_provider, txin, txout, use_max_sig)) {
+ if (!provider || !DummySignInput(*provider, txin, txout, coin_control)) {
+ if (!coin_control || !DummySignInput(coin_control->m_external_provider, txin, txout, coin_control)) {
return false;
}
}
@@ -1653,7 +1705,7 @@ int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& r
if (start) {
// TODO: this should take into account failure by ScanResult::USER_ABORT
- ScanResult result = ScanForWalletTransactions(start_block, start_height, {} /* max_height */, reserver, update);
+ ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*fUpdate=*/update, /*save_progress=*/false);
if (result.status == ScanResult::FAILURE) {
int64_t time_max;
CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
@@ -1666,7 +1718,8 @@ int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& r
/**
* Scan the block chain (starting in start_block) for transactions
* from or to us. If fUpdate is true, found transactions that already
- * exist in the wallet will be updated.
+ * exist in the wallet will be updated. If max_height is not set, the
+ * mempool will be scanned as well.
*
* @param[in] start_block Scan starting block. If block is not on the active
* chain, the scan will return SUCCESS immediately.
@@ -1684,10 +1737,11 @@ int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& r
* the main chain after to the addition of any new keys you want to detect
* transactions for.
*/
-CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, bool fUpdate)
+CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, bool fUpdate, const bool save_progress)
{
- int64_t nNow = GetTime();
- int64_t start_time = GetTimeMillis();
+ constexpr auto INTERVAL_TIME{60s};
+ auto current_time{reserver.now()};
+ auto start_time{reserver.now()};
assert(reserver.isReserved());
@@ -1714,8 +1768,10 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
}
- if (GetTime() >= nNow + 60) {
- nNow = GetTime();
+
+ bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
+ if (next_interval) {
+ current_time = reserver.now();
WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
}
@@ -1745,6 +1801,16 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
// scan succeeded, record block as most recent successfully scanned
result.last_scanned_block = block_hash;
result.last_scanned_height = block_height;
+
+ if (save_progress && next_interval) {
+ CBlockLocator loc = m_chain->getActiveChainLocator(block_hash);
+
+ if (!loc.IsNull()) {
+ WalletLogPrintf("Saving scan progress %d.\n", block_height);
+ WalletBatch batch(GetDatabase());
+ batch.WriteBestBlock(loc);
+ }
+ }
} else {
// could not scan block, keep scanning but record this block as the most recent failure
result.last_failed_block = block_hash;
@@ -1774,6 +1840,10 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
}
}
}
+ if (!max_height) {
+ WalletLogPrintf("Scanning current mempool transactions.\n");
+ WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
+ }
ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 100); // hide progress dialog in GUI
if (block_height && fAbortRescan) {
WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
@@ -1782,7 +1852,7 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
result.status = ScanResult::USER_ABORT;
} else {
- WalletLogPrintf("Rescan completed in %15dms\n", GetTimeMillis() - start_time);
+ WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
}
return result;
}
@@ -1817,6 +1887,8 @@ void CWallet::ReacceptWalletTransactions()
bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string, bool relay) const
{
+ AssertLockHeld(cs_wallet);
+
// Can't relay if wallet is not broadcasting
if (!GetBroadcastTransactions()) return false;
// Don't relay abandoned transactions
@@ -1845,12 +1917,11 @@ bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string
std::set<uint256> CWallet::GetTxConflicts(const CWalletTx& wtx) const
{
- std::set<uint256> result;
- {
- uint256 myHash = wtx.GetHash();
- result = GetConflicts(myHash);
- result.erase(myHash);
- }
+ AssertLockHeld(cs_wallet);
+
+ const uint256 myHash{wtx.GetHash()};
+ std::set<uint256> result{GetConflicts(myHash)};
+ result.erase(myHash);
return result;
}
@@ -1921,7 +1992,7 @@ bool CWallet::SignTransaction(CMutableTransaction& tx) const
// Build coins map
std::map<COutPoint, Coin> coins;
for (auto& input : tx.vin) {
- std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(input.prevout.hash);
+ const auto mi = mapWallet.find(input.prevout.hash);
if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
return false;
}
@@ -1953,7 +2024,6 @@ TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& comp
if (n_signed) {
*n_signed = 0;
}
- const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
LOCK(cs_wallet);
// Get all of the previous transactions
for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
@@ -1977,6 +2047,8 @@ TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& comp
}
}
+ const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
+
// Fill in information from ScriptPubKeyMans
for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
int n_signed_this_spkm = 0;
@@ -1990,6 +2062,35 @@ TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& comp
}
}
+ // Only drop non_witness_utxos if sighash_type != SIGHASH_ANYONECANPAY
+ if ((sighash_type & 0x80) != SIGHASH_ANYONECANPAY) {
+ // Figure out if any non_witness_utxos should be dropped
+ std::vector<unsigned int> to_drop;
+ for (unsigned int i = 0; i < psbtx.inputs.size(); ++i) {
+ const auto& input = psbtx.inputs.at(i);
+ int wit_ver;
+ std::vector<unsigned char> wit_prog;
+ if (input.witness_utxo.IsNull() || !input.witness_utxo.scriptPubKey.IsWitnessProgram(wit_ver, wit_prog)) {
+ // There's a non-segwit input or Segwit v0, so we cannot drop any witness_utxos
+ to_drop.clear();
+ break;
+ }
+ if (wit_ver == 0) {
+ // Segwit v0, so we cannot drop any non_witness_utxos
+ to_drop.clear();
+ break;
+ }
+ if (input.non_witness_utxo) {
+ to_drop.push_back(i);
+ }
+ }
+
+ // Drop the non_witness_utxos that we can drop
+ for (unsigned int i : to_drop) {
+ psbtx.inputs.at(i).non_witness_utxo = nullptr;
+ }
+ }
+
// Complete if every input is now signed
complete = true;
for (const auto& input : psbtx.inputs) {
@@ -2081,7 +2182,7 @@ void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::ve
// Add tx to wallet, because if it has change it's also ours,
// otherwise just for transaction history.
- AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
+ CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
CHECK_NONFATAL(wtx.mapValue.empty());
CHECK_NONFATAL(wtx.vOrderForm.empty());
wtx.mapValue = std::move(mapValue);
@@ -2091,6 +2192,11 @@ void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::ve
return true;
});
+ // wtx can only be null if the db write failed.
+ if (!wtx) {
+ throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
+ }
+
// Notify that old coins are spent
for (const CTxIn& txin : tx->vin) {
CWalletTx &coin = mapWallet.at(txin.prevout.hash);
@@ -2098,17 +2204,13 @@ void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::ve
NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
}
- // Get the inserted-CWalletTx from mapWallet so that the
- // wtx cached mempool state is updated correctly
- CWalletTx& wtx = mapWallet.at(tx->GetHash());
-
if (!fBroadcastTransactions) {
// Don't submit tx to the mempool
return;
}
std::string err_string;
- if (!SubmitTxMemoryPoolAndRelay(wtx, err_string, true)) {
+ if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, true)) {
WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
// TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
}
@@ -2261,37 +2363,32 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
return res;
}
-bool CWallet::GetNewDestination(const OutputType type, const std::string label, CTxDestination& dest, bilingual_str& error)
+util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string label)
{
LOCK(cs_wallet);
- error.clear();
- bool result = false;
auto spk_man = GetScriptPubKeyMan(type, false /* internal */);
- if (spk_man) {
- spk_man->TopUp();
- result = spk_man->GetNewDestination(type, dest, error);
- } else {
- error = strprintf(_("Error: No %s addresses available."), FormatOutputType(type));
+ if (!spk_man) {
+ return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
}
- if (result) {
- SetAddressBook(dest, label, "receive");
+
+ spk_man->TopUp();
+ auto op_dest = spk_man->GetNewDestination(type);
+ if (op_dest) {
+ SetAddressBook(*op_dest, label, "receive");
}
- return result;
+ return op_dest;
}
-bool CWallet::GetNewChangeDestination(const OutputType type, CTxDestination& dest, bilingual_str& error)
+util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
{
LOCK(cs_wallet);
- error.clear();
ReserveDestination reservedest(this, type);
- if (!reservedest.GetReservedDestination(dest, true, error)) {
- return false;
- }
+ auto op_dest = reservedest.GetReservedDestination(true);
+ if (op_dest) reservedest.KeepDestination();
- reservedest.KeepDestination();
- return true;
+ return op_dest;
}
std::optional<int64_t> CWallet::GetOldestKeyPoolTime() const
@@ -2322,42 +2419,63 @@ void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations
}
}
-std::set<CTxDestination> CWallet::GetLabelAddresses(const std::string& label) const
+void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
{
AssertLockHeld(cs_wallet);
- std::set<CTxDestination> result;
- for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book)
- {
- if (item.second.IsChange()) continue;
- const CTxDestination& address = item.first;
- const std::string& strName = item.second.GetLabel();
- if (strName == label)
- result.insert(address);
+ for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
+ const auto& entry = item.second;
+ func(item.first, entry.GetLabel(), entry.purpose, entry.IsChange());
}
+}
+
+std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
+{
+ AssertLockHeld(cs_wallet);
+ std::vector<CTxDestination> result;
+ AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
+ ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, const std::string& purpose, bool is_change) {
+ // Filter by change
+ if (filter.ignore_change && is_change) return;
+ // Filter by label
+ if (filter.m_op_label && *filter.m_op_label != label) return;
+ // All good
+ result.emplace_back(dest);
+ });
return result;
}
-bool ReserveDestination::GetReservedDestination(CTxDestination& dest, bool internal, bilingual_str& error)
+std::set<std::string> CWallet::ListAddrBookLabels(const std::string& purpose) const
+{
+ AssertLockHeld(cs_wallet);
+ std::set<std::string> label_set;
+ ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
+ const std::string& _purpose, bool _is_change) {
+ if (_is_change) return;
+ if (purpose.empty() || _purpose == purpose) {
+ label_set.insert(_label);
+ }
+ });
+ return label_set;
+}
+
+util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
{
m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
if (!m_spk_man) {
- error = strprintf(_("Error: No %s addresses available."), FormatOutputType(type));
- return false;
+ return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
}
-
if (nIndex == -1)
{
m_spk_man->TopUp();
CKeyPool keypool;
- if (!m_spk_man->GetReservedDestination(type, internal, address, nIndex, keypool, error)) {
- return false;
- }
+ auto op_address = m_spk_man->GetReservedDestination(type, internal, nIndex, keypool);
+ if (!op_address) return op_address;
+ address = *op_address;
fInternal = keypool.fInternal;
}
- dest = address;
- return true;
+ return address;
}
void ReserveDestination::KeepDestination()
@@ -2424,12 +2542,10 @@ bool CWallet::UnlockAllCoins()
return success;
}
-bool CWallet::IsLockedCoin(uint256 hash, unsigned int n) const
+bool CWallet::IsLockedCoin(const COutPoint& output) const
{
AssertLockHeld(cs_wallet);
- COutPoint outpt(hash, n);
-
- return (setLockedCoins.count(outpt) > 0);
+ return setLockedCoins.count(output) > 0;
}
void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
@@ -2721,7 +2837,7 @@ std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::stri
// ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
walletInstance->SetMinVersion(FEATURE_LATEST);
- walletInstance->AddWalletFlags(wallet_creation_flags);
+ walletInstance->InitWalletFlags(wallet_creation_flags);
// Only create LegacyScriptPubKeyMan when not descriptor wallet
if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
@@ -2750,7 +2866,7 @@ std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::stri
} else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
// Make it impossible to disable private keys after creation
error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
- return NULL;
+ return nullptr;
} else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
if (spk_man->HavePrivateKeys()) {
@@ -2899,13 +3015,6 @@ std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::stri
}
{
- LOCK(context.wallets_mutex);
- for (auto& load_wallet : context.wallet_load_fns) {
- load_wallet(interfaces::MakeWallet(context, walletInstance));
- }
- }
-
- {
LOCK(walletInstance->cs_wallet);
walletInstance->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
walletInstance->WalletLogPrintf("setKeyPool.size() = %u\n", walletInstance->GetKeyPoolSize());
@@ -2923,14 +3032,31 @@ bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interf
assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
walletInstance->m_chain = &chain;
+ // Unless allowed, ensure wallet files are not reused across chains:
+ if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
+ WalletBatch batch(walletInstance->GetDatabase());
+ CBlockLocator locator;
+ if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
+ // Wallet is assumed to be from another chain, if genesis block in the active
+ // chain differs from the genesis block known to the wallet.
+ if (chain.getBlockHash(0) != locator.vHave.back()) {
+ error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
+ return false;
+ }
+ }
+ }
+
// Register wallet with validationinterface. It's done before rescan to avoid
// missing block connections between end of rescan and validation subscribing.
// Because of wallet lock being hold, block connection notifications are going to
// be pending on the validation-side until lock release. It's likely to have
// block processing duplicata (if rescan block range overlaps with notification one)
// but we guarantee at least than wallet state is correct after notifications delivery.
+ // However, chainStateFlushed notifications are ignored until the rescan is finished
+ // so that in case of a shutdown event, the rescan will be repeated at the next start.
// This is temporary until rescan and notifications delivery are unified under same
// interface.
+ walletInstance->m_attaching_chain = true; //ignores chainStateFlushed notifications
walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
// If rescan_required = true, rescan_height remains equal to 0
@@ -2957,20 +3083,31 @@ bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interf
if (tip_height && *tip_height != rescan_height)
{
- if (chain.havePruned()) {
+ // Technically we could execute the code below in any case, but performing the
+ // `while` loop below can make startup very slow, so only check blocks on disk
+ // if necessary.
+ if (chain.havePruned() || chain.hasAssumedValidChain()) {
int block_height = *tip_height;
while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
--block_height;
}
if (rescan_height != block_height) {
- // We can't rescan beyond non-pruned blocks, stop and throw an error.
+ // We can't rescan beyond blocks we don't have data for, stop and throw an error.
// This might happen if a user uses an old wallet within a pruned node
// or if they ran -disablewallet for a longer time, then decided to re-enable
// Exit early and print an error.
+ // It also may happen if an assumed-valid chain is in use and therefore not
+ // all block data is available.
// If a block is pruned after this check, we will load the wallet,
// but fail the rescan with a generic error.
- error = _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)");
+
+ error = chain.hasAssumedValidChain() ?
+ _(
+ "Assumed-valid: last wallet synchronisation goes beyond "
+ "available block data. You need to wait for the background "
+ "validation chain to download more blocks.") :
+ _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)");
return false;
}
}
@@ -2991,14 +3128,16 @@ bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interf
{
WalletRescanReserver reserver(*walletInstance);
- if (!reserver.reserve() || (ScanResult::SUCCESS != walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, {} /* max height */, reserver, true /* update */).status)) {
+ if (!reserver.reserve() || (ScanResult::SUCCESS != walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*fUpdate=*/true, /*save_progress=*/true).status)) {
error = _("Failed to rescan the wallet during initialization");
return false;
}
}
+ walletInstance->m_attaching_chain = false;
walletInstance->chainStateFlushed(chain.getTipLocator());
walletInstance->GetDatabase().IncrementUpdateCounter();
}
+ walletInstance->m_attaching_chain = false;
return true;
}
@@ -3092,8 +3231,11 @@ int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
{
- if (!wtx.IsCoinBase())
+ AssertLockHeld(cs_wallet);
+
+ if (!wtx.IsCoinBase()) {
return 0;
+ }
int chain_depth = GetTxDepthInMainChain(wtx);
assert(chain_depth >= 0); // coinbase tx should not be conflicted
return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
@@ -3101,6 +3243,8 @@ int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
{
+ AssertLockHeld(cs_wallet);
+
// note GetBlocksToMaturity is 0 for non-coinbase tx
return GetTxBlocksToMaturity(wtx) > 0;
}
@@ -3217,6 +3361,18 @@ std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& scri
return nullptr;
}
+std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
+{
+ std::vector<WalletDescriptor> descs;
+ for (const auto spk_man: GetScriptPubKeyMans(script)) {
+ if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
+ LOCK(desc_spk_man->cs_desc_man);
+ descs.push_back(desc_spk_man->GetWalletDescriptor());
+ }
+ }
+ return descs;
+}
+
LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
{
if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
@@ -3278,6 +3434,29 @@ void CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
}
}
+void CWallet::SetupDescriptorScriptPubKeyMans(const CExtKey& master_key)
+{
+ AssertLockHeld(cs_wallet);
+
+ for (bool internal : {false, true}) {
+ for (OutputType t : OUTPUT_TYPES) {
+ auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this));
+ if (IsCrypted()) {
+ if (IsLocked()) {
+ throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
+ }
+ if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, nullptr)) {
+ throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
+ }
+ }
+ spk_manager->SetupDescriptorGeneration(master_key, t, internal);
+ uint256 id = spk_manager->GetID();
+ m_spk_managers[id] = std::move(spk_manager);
+ AddActiveScriptPubKeyMan(id, t, internal);
+ }
+ }
+}
+
void CWallet::SetupDescriptorScriptPubKeyMans()
{
AssertLockHeld(cs_wallet);
@@ -3293,23 +3472,7 @@ void CWallet::SetupDescriptorScriptPubKeyMans()
CExtKey master_key;
master_key.SetSeed(seed_key);
- for (bool internal : {false, true}) {
- for (OutputType t : OUTPUT_TYPES) {
- auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this));
- if (IsCrypted()) {
- if (IsLocked()) {
- throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
- }
- if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, nullptr)) {
- throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
- }
- }
- spk_manager->SetupDescriptorGeneration(master_key, t, internal);
- uint256 id = spk_manager->GetID();
- m_spk_managers[id] = std::move(spk_manager);
- AddActiveScriptPubKeyMan(id, t, internal);
- }
- }
+ SetupDescriptorScriptPubKeyMans(master_key);
} else {
ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
@@ -3322,7 +3485,7 @@ void CWallet::SetupDescriptorScriptPubKeyMans()
const UniValue& descriptor_vals = find_value(signer_res, internal ? "internal" : "receive");
if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
- std::string desc_str = desc_val.getValStr();
+ const std::string& desc_str = desc_val.getValStr();
FlatSigningProvider keys;
std::string desc_error;
std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, desc_error, false);
@@ -3358,7 +3521,7 @@ void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool intern
// Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
- WalletLogPrintf("Setting spkMan to active: id = %s, type = %d, internal = %d\n", id.ToString(), static_cast<int>(type), static_cast<int>(internal));
+ WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
auto spk_man = m_spk_managers.at(id).get();
@@ -3376,7 +3539,7 @@ void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool intern
{
auto spk_man = GetScriptPubKeyMan(type, internal);
if (spk_man != nullptr && spk_man->GetID() == id) {
- WalletLogPrintf("Deactivate spkMan: id = %s, type = %d, internal = %d\n", id.ToString(), static_cast<int>(type), static_cast<int>(internal));
+ WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
WalletBatch batch(GetDatabase());
if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
@@ -3477,9 +3640,13 @@ ScriptPubKeyMan* CWallet::AddWalletDescriptor(WalletDescriptor& desc, const Flat
return nullptr;
}
- CTxDestination dest;
- if (!internal && ExtractDestination(script_pub_keys.at(0), dest)) {
- SetAddressBook(dest, label, "receive");
+ if (!internal) {
+ for (const auto& script : script_pub_keys) {
+ CTxDestination dest;
+ if (ExtractDestination(script, dest)) {
+ SetAddressBook(dest, label, "receive");
+ }
+ }
}
}
@@ -3488,4 +3655,472 @@ ScriptPubKeyMan* CWallet::AddWalletDescriptor(WalletDescriptor& desc, const Flat
return spk_man;
}
+
+bool CWallet::MigrateToSQLite(bilingual_str& error)
+{
+ AssertLockHeld(cs_wallet);
+
+ WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
+
+ if (m_database->Format() == "sqlite") {
+ error = _("Error: This wallet already uses SQLite");
+ return false;
+ }
+
+ // Get all of the records for DB type migration
+ std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
+ std::vector<std::pair<SerializeData, SerializeData>> records;
+ if (!batch->StartCursor()) {
+ error = _("Error: Unable to begin reading all records in the database");
+ return false;
+ }
+ bool complete = false;
+ while (true) {
+ CDataStream ss_key(SER_DISK, CLIENT_VERSION);
+ CDataStream ss_value(SER_DISK, CLIENT_VERSION);
+ bool ret = batch->ReadAtCursor(ss_key, ss_value, complete);
+ if (!ret) {
+ break;
+ }
+ SerializeData key(ss_key.begin(), ss_key.end());
+ SerializeData value(ss_value.begin(), ss_value.end());
+ records.emplace_back(key, value);
+ }
+ batch->CloseCursor();
+ batch.reset();
+ if (!complete) {
+ error = _("Error: Unable to read all records in the database");
+ return false;
+ }
+
+ // Close this database and delete the file
+ fs::path db_path = fs::PathFromString(m_database->Filename());
+ fs::path db_dir = db_path.parent_path();
+ m_database->Close();
+ fs::remove(db_path);
+
+ // Make new DB
+ DatabaseOptions opts;
+ opts.require_create = true;
+ opts.require_format = DatabaseFormat::SQLITE;
+ DatabaseStatus db_status;
+ std::unique_ptr<WalletDatabase> new_db = MakeDatabase(db_dir, opts, db_status, error);
+ assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
+ m_database.reset();
+ m_database = std::move(new_db);
+
+ // Write existing records into the new DB
+ batch = m_database->MakeBatch();
+ bool began = batch->TxnBegin();
+ assert(began); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
+ for (const auto& [key, value] : records) {
+ CDataStream ss_key(key, SER_DISK, CLIENT_VERSION);
+ CDataStream ss_value(value, SER_DISK, CLIENT_VERSION);
+ if (!batch->Write(ss_key, ss_value)) {
+ batch->TxnAbort();
+ m_database->Close();
+ fs::remove(m_database->Filename());
+ assert(false); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
+ }
+ }
+ bool committed = batch->TxnCommit();
+ assert(committed); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
+ return true;
+}
+
+std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
+{
+ AssertLockHeld(cs_wallet);
+
+ LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
+ if (!legacy_spkm) {
+ error = _("Error: This wallet is already a descriptor wallet");
+ return std::nullopt;
+ }
+
+ std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
+ if (res == std::nullopt) {
+ error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure the wallet is unlocked first");
+ return std::nullopt;
+ }
+ return res;
+}
+
+bool CWallet::ApplyMigrationData(MigrationData& data, bilingual_str& error)
+{
+ AssertLockHeld(cs_wallet);
+
+ LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
+ if (!legacy_spkm) {
+ error = _("Error: This wallet is already a descriptor wallet");
+ return false;
+ }
+
+ for (auto& desc_spkm : data.desc_spkms) {
+ if (m_spk_managers.count(desc_spkm->GetID()) > 0) {
+ error = _("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.");
+ return false;
+ }
+ m_spk_managers[desc_spkm->GetID()] = std::move(desc_spkm);
+ }
+
+ // Remove the LegacyScriptPubKeyMan from disk
+ if (!legacy_spkm->DeleteRecords()) {
+ return false;
+ }
+
+ // Remove the LegacyScriptPubKeyMan from memory
+ m_spk_managers.erase(legacy_spkm->GetID());
+ m_external_spk_managers.clear();
+ m_internal_spk_managers.clear();
+
+ // Setup new descriptors
+ SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
+ if (!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ // Use the existing master key if we have it
+ if (data.master_key.key.IsValid()) {
+ SetupDescriptorScriptPubKeyMans(data.master_key);
+ } else {
+ // Setup with a new seed if we don't.
+ SetupDescriptorScriptPubKeyMans();
+ }
+ }
+
+ // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
+ // We need to go through these in the tx insertion order so that lookups to spends works.
+ std::vector<uint256> txids_to_delete;
+ for (const auto& [_pos, wtx] : wtxOrdered) {
+ if (!IsMine(*wtx->tx) && !IsFromMe(*wtx->tx)) {
+ // Check it is the watchonly wallet's
+ // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
+ if (data.watchonly_wallet) {
+ LOCK(data.watchonly_wallet->cs_wallet);
+ if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
+ // Add to watchonly wallet
+ if (!data.watchonly_wallet->AddToWallet(wtx->tx, wtx->m_state)) {
+ error = _("Error: Could not add watchonly tx to watchonly wallet");
+ return false;
+ }
+ // Mark as to remove from this wallet
+ txids_to_delete.push_back(wtx->GetHash());
+ continue;
+ }
+ }
+ // Both not ours and not in the watchonly wallet
+ error = strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex());
+ return false;
+ }
+ }
+ // Do the removes
+ if (txids_to_delete.size() > 0) {
+ std::vector<uint256> deleted_txids;
+ if (ZapSelectTx(txids_to_delete, deleted_txids) != DBErrors::LOAD_OK) {
+ error = _("Error: Could not delete watchonly transactions");
+ return false;
+ }
+ if (deleted_txids != txids_to_delete) {
+ error = _("Error: Not all watchonly txs could be deleted");
+ return false;
+ }
+ // Tell the GUI of each tx
+ for (const uint256& txid : deleted_txids) {
+ NotifyTransactionChanged(txid, CT_UPDATED);
+ }
+ }
+
+ // Check the address book data in the same way we did for transactions
+ std::vector<CTxDestination> dests_to_delete;
+ for (const auto& addr_pair : m_address_book) {
+ // Labels applied to receiving addresses should go based on IsMine
+ if (addr_pair.second.purpose == "receive") {
+ if (!IsMine(addr_pair.first)) {
+ // Check the address book data is the watchonly wallet's
+ if (data.watchonly_wallet) {
+ LOCK(data.watchonly_wallet->cs_wallet);
+ if (data.watchonly_wallet->IsMine(addr_pair.first)) {
+ // Add to the watchonly. Preserve the labels, purpose, and change-ness
+ std::string label = addr_pair.second.GetLabel();
+ std::string purpose = addr_pair.second.purpose;
+ if (!purpose.empty()) {
+ data.watchonly_wallet->m_address_book[addr_pair.first].purpose = purpose;
+ }
+ if (!addr_pair.second.IsChange()) {
+ data.watchonly_wallet->m_address_book[addr_pair.first].SetLabel(label);
+ }
+ dests_to_delete.push_back(addr_pair.first);
+ continue;
+ }
+ }
+ if (data.solvable_wallet) {
+ LOCK(data.solvable_wallet->cs_wallet);
+ if (data.solvable_wallet->IsMine(addr_pair.first)) {
+ // Add to the solvable. Preserve the labels, purpose, and change-ness
+ std::string label = addr_pair.second.GetLabel();
+ std::string purpose = addr_pair.second.purpose;
+ if (!purpose.empty()) {
+ data.solvable_wallet->m_address_book[addr_pair.first].purpose = purpose;
+ }
+ if (!addr_pair.second.IsChange()) {
+ data.solvable_wallet->m_address_book[addr_pair.first].SetLabel(label);
+ }
+ dests_to_delete.push_back(addr_pair.first);
+ continue;
+ }
+ }
+ // Not ours, not in watchonly wallet, and not in solvable
+ error = _("Error: Address book data in wallet cannot be identified to belong to migrated wallets");
+ return false;
+ }
+ } else {
+ // Labels for everything else (send) should be cloned to all
+ if (data.watchonly_wallet) {
+ LOCK(data.watchonly_wallet->cs_wallet);
+ // Add to the watchonly. Preserve the labels, purpose, and change-ness
+ std::string label = addr_pair.second.GetLabel();
+ std::string purpose = addr_pair.second.purpose;
+ if (!purpose.empty()) {
+ data.watchonly_wallet->m_address_book[addr_pair.first].purpose = purpose;
+ }
+ if (!addr_pair.second.IsChange()) {
+ data.watchonly_wallet->m_address_book[addr_pair.first].SetLabel(label);
+ }
+ continue;
+ }
+ if (data.solvable_wallet) {
+ LOCK(data.solvable_wallet->cs_wallet);
+ // Add to the solvable. Preserve the labels, purpose, and change-ness
+ std::string label = addr_pair.second.GetLabel();
+ std::string purpose = addr_pair.second.purpose;
+ if (!purpose.empty()) {
+ data.solvable_wallet->m_address_book[addr_pair.first].purpose = purpose;
+ }
+ if (!addr_pair.second.IsChange()) {
+ data.solvable_wallet->m_address_book[addr_pair.first].SetLabel(label);
+ }
+ continue;
+ }
+ }
+ }
+ // Remove the things to delete
+ if (dests_to_delete.size() > 0) {
+ for (const auto& dest : dests_to_delete) {
+ if (!DelAddressBook(dest)) {
+ error = _("Error: Unable to remove watchonly address book data");
+ return false;
+ }
+ }
+ }
+
+ // Connect the SPKM signals
+ ConnectScriptPubKeyManNotifiers();
+ NotifyCanGetAddressesChanged();
+
+ WalletLogPrintf("Wallet migration complete.\n");
+
+ return true;
+}
+
+bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
+{
+ AssertLockHeld(wallet.cs_wallet);
+
+ // Get all of the descriptors from the legacy wallet
+ std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
+ if (data == std::nullopt) return false;
+
+ // Create the watchonly and solvable wallets if necessary
+ if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
+ DatabaseOptions options;
+ options.require_existing = false;
+ options.require_create = true;
+
+ // Make the wallets
+ options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
+ if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
+ options.create_flags |= WALLET_FLAG_AVOID_REUSE;
+ }
+ if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
+ options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
+ }
+ if (data->watch_descs.size() > 0) {
+ wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
+
+ DatabaseStatus status;
+ std::vector<bilingual_str> warnings;
+ std::string wallet_name = wallet.GetName() + "_watchonly";
+ data->watchonly_wallet = CreateWallet(context, wallet_name, std::nullopt, options, status, error, warnings);
+ if (status != DatabaseStatus::SUCCESS) {
+ error = _("Error: Failed to create new watchonly wallet");
+ return false;
+ }
+ res.watchonly_wallet = data->watchonly_wallet;
+ LOCK(data->watchonly_wallet->cs_wallet);
+
+ // Parse the descriptors and add them to the new wallet
+ for (const auto& [desc_str, creation_time] : data->watch_descs) {
+ // Parse the descriptor
+ FlatSigningProvider keys;
+ std::string parse_err;
+ std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
+ assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
+ assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
+
+ // Add to the wallet
+ WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
+ data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false);
+ }
+
+ // Add the wallet to settings
+ UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
+ }
+ if (data->solvable_descs.size() > 0) {
+ wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
+
+ DatabaseStatus status;
+ std::vector<bilingual_str> warnings;
+ std::string wallet_name = wallet.GetName() + "_solvables";
+ data->solvable_wallet = CreateWallet(context, wallet_name, std::nullopt, options, status, error, warnings);
+ if (status != DatabaseStatus::SUCCESS) {
+ error = _("Error: Failed to create new watchonly wallet");
+ return false;
+ }
+ res.solvables_wallet = data->solvable_wallet;
+ LOCK(data->solvable_wallet->cs_wallet);
+
+ // Parse the descriptors and add them to the new wallet
+ for (const auto& [desc_str, creation_time] : data->solvable_descs) {
+ // Parse the descriptor
+ FlatSigningProvider keys;
+ std::string parse_err;
+ std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
+ assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
+ assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
+
+ // Add to the wallet
+ WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
+ data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false);
+ }
+
+ // Add the wallet to settings
+ UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
+ }
+ }
+
+ // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
+ if (!wallet.ApplyMigrationData(*data, error)) {
+ return false;
+ }
+ return true;
+}
+
+util::Result<MigrationResult> MigrateLegacyToDescriptor(std::shared_ptr<CWallet>&& wallet, WalletContext& context)
+{
+ MigrationResult res;
+ bilingual_str error;
+ std::vector<bilingual_str> warnings;
+
+ // Make a backup of the DB
+ std::string wallet_name = wallet->GetName();
+ fs::path this_wallet_dir = fs::absolute(fs::PathFromString(wallet->GetDatabase().Filename())).parent_path();
+ fs::path backup_filename = fs::PathFromString(strprintf("%s-%d.legacy.bak", wallet_name, GetTime()));
+ fs::path backup_path = this_wallet_dir / backup_filename;
+ if (!wallet->BackupWallet(fs::PathToString(backup_path))) {
+ return util::Error{_("Error: Unable to make a backup of your wallet")};
+ }
+ res.backup_path = backup_path;
+
+ // Unload the wallet so that nothing else tries to use it while we're changing it
+ if (!RemoveWallet(context, wallet, /*load_on_start=*/std::nullopt, warnings)) {
+ return util::Error{_("Unable to unload the wallet before migrating")};
+ }
+ UnloadWallet(std::move(wallet));
+
+ // Load the wallet but only in the context of this function.
+ // No signals should be connected nor should anything else be aware of this wallet
+ WalletContext empty_context;
+ empty_context.args = context.args;
+ DatabaseOptions options;
+ options.require_existing = true;
+ DatabaseStatus status;
+ std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
+ if (!database) {
+ return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
+ }
+
+ std::shared_ptr<CWallet> local_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
+ if (!local_wallet) {
+ return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
+ }
+
+ bool success = false;
+ {
+ LOCK(local_wallet->cs_wallet);
+
+ // First change to using SQLite
+ if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
+
+ // Do the migration, and cleanup if it fails
+ success = DoMigration(*local_wallet, context, error, res);
+ }
+
+ if (success) {
+ // Migration successful, unload the wallet locally, then reload it.
+ assert(local_wallet.use_count() == 1);
+ local_wallet.reset();
+ LoadWallet(context, wallet_name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
+ res.wallet_name = wallet_name;
+ } else {
+ // Migration failed, cleanup
+ // Copy the backup to the actual wallet dir
+ fs::path temp_backup_location = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
+ fs::copy_file(backup_path, temp_backup_location, fs::copy_options::none);
+
+ // Remember this wallet's walletdir to remove after unloading
+ std::vector<fs::path> wallet_dirs;
+ wallet_dirs.push_back(fs::PathFromString(local_wallet->GetDatabase().Filename()).parent_path());
+
+ // Unload the wallet locally
+ assert(local_wallet.use_count() == 1);
+ local_wallet.reset();
+
+ // Make list of wallets to cleanup
+ std::vector<std::shared_ptr<CWallet>> created_wallets;
+ created_wallets.push_back(std::move(res.watchonly_wallet));
+ created_wallets.push_back(std::move(res.solvables_wallet));
+
+ // Get the directories to remove after unloading
+ for (std::shared_ptr<CWallet>& w : created_wallets) {
+ wallet_dirs.push_back(fs::PathFromString(w->GetDatabase().Filename()).parent_path());
+ }
+
+ // Unload the wallets
+ for (std::shared_ptr<CWallet>& w : created_wallets) {
+ if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
+ error += _("\nUnable to cleanup failed migration");
+ return util::Error{error};
+ }
+ UnloadWallet(std::move(w));
+ }
+
+ // Delete the wallet directories
+ for (fs::path& dir : wallet_dirs) {
+ fs::remove_all(dir);
+ }
+
+ // Restore the backup
+ DatabaseStatus status;
+ std::vector<bilingual_str> warnings;
+ if (!RestoreWallet(context, temp_backup_location, wallet_name, /*load_on_start=*/std::nullopt, status, error, warnings)) {
+ error += _("\nUnable to restore backup of wallet.");
+ return util::Error{error};
+ }
+
+ // Move the backup to the wallet dir
+ fs::copy_file(temp_backup_location, backup_path, fs::copy_options::none);
+ fs::remove(temp_backup_location);
+
+ return util::Error{error};
+ }
+ return res;
+}
} // namespace wallet