diff options
Diffstat (limited to 'src/wallet/wallet.cpp')
| -rw-r--r-- | src/wallet/wallet.cpp | 359 |
1 files changed, 233 insertions, 126 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index c3ae098aee..9a48a1ca21 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 { @@ -175,8 +173,8 @@ void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& } } -static Mutex g_loading_wallet_mutex; -static Mutex g_wallet_release_mutex; +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); @@ -523,6 +521,11 @@ 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); } @@ -626,14 +629,12 @@ 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); if (mit != mapWallet.end()) { @@ -662,16 +663,13 @@ 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) @@ -682,12 +680,12 @@ 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(); @@ -905,35 +903,31 @@ 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; } } } @@ -970,7 +964,7 @@ 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) @@ -1013,14 +1007,14 @@ 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 @@ -1028,7 +1022,7 @@ 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 @@ -1069,7 +1063,7 @@ 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()) { @@ -1136,7 +1130,13 @@ 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; @@ -1320,30 +1320,31 @@ 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{}); } } @@ -1510,13 +1511,16 @@ bool CWallet::AddWalletFlags(uint64_t flags) } // 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; } @@ -1583,12 +1587,9 @@ 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; } } @@ -1671,7 +1672,7 @@ 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))); @@ -1684,7 +1685,8 @@ 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. @@ -1702,10 +1704,11 @@ 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()); @@ -1732,8 +1735,10 @@ 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); } @@ -1763,6 +1768,16 @@ 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; @@ -1792,6 +1807,10 @@ 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); @@ -1800,7 +1819,7 @@ 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; } @@ -1835,6 +1854,8 @@ 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 @@ -1863,12 +1884,11 @@ 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; } @@ -1971,7 +1991,6 @@ 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) { @@ -1995,6 +2014,8 @@ 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; @@ -2008,6 +2029,35 @@ 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) { @@ -2099,7 +2149,7 @@ 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); @@ -2109,6 +2159,11 @@ 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); @@ -2116,17 +2171,13 @@ 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. } @@ -2279,37 +2330,36 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize) return res; } -bool CWallet::GetNewDestination(const OutputType type, const std::string label, CTxDestination& dest, bilingual_str& error) +BResult<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 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.GetObj(), label, "receive"); } - return result; + return op_dest; } -bool CWallet::GetNewChangeDestination(const OutputType type, CTxDestination& dest, bilingual_str& error) +BResult<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type) { LOCK(cs_wallet); - error.clear(); + CTxDestination dest; + bilingual_str error; ReserveDestination reservedest(this, type); if (!reservedest.GetReservedDestination(dest, true, error)) { - return false; + return error; } reservedest.KeepDestination(); - return true; + return dest; } std::optional<int64_t> CWallet::GetOldestKeyPoolTime() const @@ -2340,21 +2390,45 @@ 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; } +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; +} + bool ReserveDestination::GetReservedDestination(CTxDestination& dest, bool internal, bilingual_str& error) { m_spk_man = pwallet->GetScriptPubKeyMan(type, internal); @@ -2442,12 +2516,10 @@ 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 @@ -2768,7 +2840,7 @@ 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()) { @@ -2934,14 +3006,31 @@ 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 @@ -2968,20 +3057,31 @@ 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; } } @@ -3002,14 +3102,16 @@ 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; } @@ -3103,8 +3205,11 @@ 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); @@ -3112,6 +3217,8 @@ 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; } |