diff options
Diffstat (limited to 'src/wallet/wallet.cpp')
-rw-r--r-- | src/wallet/wallet.cpp | 824 |
1 files changed, 439 insertions, 385 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index ad3dd4cd2c..3ec6aefaec 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -22,11 +22,12 @@ #include <primitives/block.h> #include <primitives/transaction.h> #include <script/script.h> -#include <scheduler.h> +#include <shutdown.h> #include <timedata.h> #include <txmempool.h> #include <utilmoneystr.h> #include <wallet/fees.h> +#include <wallet/walletutil.h> #include <algorithm> #include <assert.h> @@ -34,21 +35,24 @@ #include <boost/algorithm/string/replace.hpp> -static std::vector<CWallet*> vpwallets; +static CCriticalSection cs_wallets; +static std::vector<std::shared_ptr<CWallet>> vpwallets GUARDED_BY(cs_wallets); -bool AddWallet(CWallet* wallet) +bool AddWallet(const std::shared_ptr<CWallet>& wallet) { + LOCK(cs_wallets); assert(wallet); - std::vector<CWallet*>::const_iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet); + std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet); if (i != vpwallets.end()) return false; vpwallets.push_back(wallet); return true; } -bool RemoveWallet(CWallet* wallet) +bool RemoveWallet(const std::shared_ptr<CWallet>& wallet) { + LOCK(cs_wallets); assert(wallet); - std::vector<CWallet*>::iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet); + std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet); if (i == vpwallets.end()) return false; vpwallets.erase(i); return true; @@ -56,22 +60,34 @@ bool RemoveWallet(CWallet* wallet) bool HasWallets() { + LOCK(cs_wallets); return !vpwallets.empty(); } -std::vector<CWallet*> GetWallets() +std::vector<std::shared_ptr<CWallet>> GetWallets() { + LOCK(cs_wallets); return vpwallets; } -CWallet* GetWallet(const std::string& name) +std::shared_ptr<CWallet> GetWallet(const std::string& name) { - for (CWallet* wallet : vpwallets) { + LOCK(cs_wallets); + for (const std::shared_ptr<CWallet>& wallet : vpwallets) { if (wallet->GetName() == name) return wallet; } return nullptr; } +// Custom deleter for shared_ptr<CWallet>. +static void ReleaseWallet(CWallet* wallet) +{ + LogPrintf("Releasing wallet %s\n", wallet->GetName()); + wallet->BlockUntilSyncedToCurrentChain(); + wallet->Flush(); + delete wallet; +} + const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000; const uint256 CMerkleTx::ABANDON_HASH(uint256S("0000000000000000000000000000000000000000000000000000000000000001")); @@ -148,6 +164,7 @@ const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal) { + assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)); AssertLockHeld(cs_wallet); // mapKeyMetadata bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets @@ -184,17 +201,17 @@ CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal) void CWallet::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey& secret, bool internal) { // for now we use a fixed keypath scheme of m/0'/0'/k - CKey key; //master key seed (256bit) + CKey seed; //seed (256bit) CExtKey masterKey; //hd master key CExtKey accountKey; //key at m/0' CExtKey chainChildKey; //key at m/0'/0' (external) or m/0'/1' (internal) CExtKey childKey; //key at m/0'/0'/<n>' - // try to get the master key - if (!GetKey(hdChain.masterKeyID, key)) - throw std::runtime_error(std::string(__func__) + ": Master key not found"); + // try to get the seed + if (!GetKey(hdChain.seed_id, seed)) + throw std::runtime_error(std::string(__func__) + ": seed not found"); - masterKey.SetMaster(key.begin(), key.size()); + masterKey.SetSeed(seed.begin(), seed.size()); // derive m/0' // use hardened derivation (child keys >= 0x80000000 are hardened after bip32) @@ -221,7 +238,7 @@ void CWallet::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey } } while (HaveKey(childKey.key.GetPubKey().GetID())); secret = childKey.key; - metadata.hdMasterKeyID = hdChain.masterKeyID; + metadata.hd_seed_id = hdChain.seed_id; // update the chain model in the database if (!batch.WriteHDChain(hdChain)) throw std::runtime_error(std::string(__func__) + ": Writing HD chain model failed"); @@ -447,7 +464,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, return false; } -void CWallet::SetBestChain(const CBlockLocator& loc) +void CWallet::ChainStateFlushed(const CBlockLocator& loc) { WalletBatch batch(*database); batch.WriteBestBlock(loc); @@ -537,12 +554,14 @@ void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> ran for (TxSpends::iterator it = range.first; it != range.second; ++it) { const CWalletTx* wtx = &mapWallet.at(it->second); if (wtx->nOrderPos < nMinOrderPos) { - nMinOrderPos = wtx->nOrderPos;; + nMinOrderPos = wtx->nOrderPos; copyFrom = wtx; } } - assert(copyFrom); + if (!copyFrom) { + return; + } // Now copy data from copyFrom to rest: for (TxSpends::iterator it = range.first; it != range.second; ++it) @@ -591,6 +610,8 @@ void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid) { mapTxSpends.insert(std::make_pair(outpoint, wtxid)); + setLockedCoins.erase(outpoint); + std::pair<TxSpends::iterator, TxSpends::iterator> range; range = mapTxSpends.equal_range(outpoint); SyncMetaData(range); @@ -680,9 +701,9 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) Lock(); Unlock(strWalletPassphrase); - // if we are using HD, replace the HD master key (seed) with a new one + // if we are using HD, replace the HD seed with a new one if (IsHDEnabled()) { - if (!SetHDMasterKey(GenerateNewHDMasterKey())) { + if (!SetHDSeed(GenerateNewSeed())) { return false; } } @@ -914,11 +935,10 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose) CWalletTx& wtx = (*ret.first).second; wtx.BindWallet(this); bool fInsertedNew = ret.second; - if (fInsertedNew) - { + if (fInsertedNew) { wtx.nTimeReceived = GetAdjustedTime(); wtx.nOrderPos = IncOrderPosNext(&batch); - wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, nullptr))); + wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, nullptr))); wtx.nTimeSmart = ComputeTimeSmart(wtx); AddToSpends(hash); } @@ -989,9 +1009,12 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose) bool CWallet::LoadToWallet(const CWalletTx& wtxIn) { uint256 hash = wtxIn.GetHash(); - CWalletTx& wtx = mapWallet.emplace(hash, wtxIn).first->second; + const auto& ins = mapWallet.emplace(hash, wtxIn); + CWalletTx& wtx = ins.first->second; wtx.BindWallet(this); - wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, nullptr))); + if (/* insertion took place */ ins.second) { + wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, nullptr))); + } AddToSpends(hash); for (const CTxIn& txin : wtx.tx->vin) { auto it = mapWallet.find(txin.prevout.hash); @@ -1006,19 +1029,6 @@ bool CWallet::LoadToWallet(const CWalletTx& wtxIn) return true; } -/** - * Add a transaction to the wallet, or update it. pIndex and posInBlock should - * be set when the transaction was known to be included in a block. When - * pIndex == nullptr, then wallet state is not updated in AddToWallet, but - * notifications happen and cached balances are marked dirty. - * - * If fUpdate is true, existing transactions will be updated. - * TODO: One exception to this is that the abandoned state is cleared under the - * assumption that any further notification of a transaction that was considered - * abandoned is an indication that it is not safe to be considered abandoned. - * Abandoned state should probably be more carefully tracked via different - * posInBlock signals or by checking mempool presence when necessary. - */ bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const CBlockIndex* pIndex, int posInBlock, bool fUpdate) { const CTransaction& tx = *ptx; @@ -1085,6 +1095,16 @@ bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const return wtx && !wtx->isAbandoned() && wtx->GetDepthInMainChain() == 0 && !wtx->InMempool(); } +void CWallet::MarkInputsDirty(const CTransactionRef& tx) +{ + for (const CTxIn& txin : tx->vin) { + auto it = mapWallet.find(txin.prevout.hash); + if (it != mapWallet.end()) { + it->second.MarkDirty(); + } + } +} + bool CWallet::AbandonTransaction(const uint256& hashTx) { LOCK2(cs_main, cs_wallet); @@ -1124,7 +1144,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx) batch.WriteTx(wtx); NotifyTransactionChanged(this, 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(hashTx, 0)); + 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); @@ -1133,13 +1153,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx) } // If a transaction changes 'conflicted' state, that changes the balance // available of the outputs it spends. So force those to be recomputed - for (const CTxIn& txin : wtx.tx->vin) - { - auto it = mapWallet.find(txin.prevout.hash); - if (it != mapWallet.end()) { - it->second.MarkDirty(); - } - } + MarkInputsDirty(wtx.tx); } } @@ -1195,31 +1209,19 @@ void CWallet::MarkConflicted(const uint256& hashBlock, const uint256& hashTx) } // If a transaction changes 'conflicted' state, that changes the balance // available of the outputs it spends. So force those to be recomputed - for (const CTxIn& txin : wtx.tx->vin) { - auto it = mapWallet.find(txin.prevout.hash); - if (it != mapWallet.end()) { - it->second.MarkDirty(); - } - } + MarkInputsDirty(wtx.tx); } } } -void CWallet::SyncTransaction(const CTransactionRef& ptx, const CBlockIndex *pindex, int posInBlock) { - const CTransaction& tx = *ptx; - - if (!AddToWalletIfInvolvingMe(ptx, pindex, posInBlock, true)) +void CWallet::SyncTransaction(const CTransactionRef& ptx, const CBlockIndex *pindex, int posInBlock, bool update_tx) { + if (!AddToWalletIfInvolvingMe(ptx, pindex, posInBlock, update_tx)) return; // Not one of ours // If a transaction changes 'conflicted' state, that changes the balance // available of the outputs it spends. So force those to be // recomputed, also: - for (const CTxIn& txin : tx.vin) { - auto it = mapWallet.find(txin.prevout.hash); - if (it != mapWallet.end()) { - it->second.MarkDirty(); - } - } + MarkInputsDirty(ptx); } void CWallet::TransactionAddedToMempool(const CTransactionRef& ptx) { @@ -1285,7 +1287,7 @@ void CWallet::BlockUntilSyncedToCurrentChain() { LOCK(cs_main); const CBlockIndex* initialChainTip = chainActive.Tip(); - if (m_last_block_processed->GetAncestor(initialChainTip->nHeight) == initialChainTip) { + if (m_last_block_processed && m_last_block_processed->GetAncestor(initialChainTip->nHeight) == initialChainTip) { return; } } @@ -1441,37 +1443,42 @@ CAmount CWallet::GetChange(const CTransaction& tx) const return nChange; } -CPubKey CWallet::GenerateNewHDMasterKey() +CPubKey CWallet::GenerateNewSeed() { + assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)); CKey key; key.MakeNewKey(true); + return DeriveNewSeed(key); +} +CPubKey CWallet::DeriveNewSeed(const CKey& key) +{ int64_t nCreationTime = GetTime(); CKeyMetadata metadata(nCreationTime); - // calculate the pubkey - CPubKey pubkey = key.GetPubKey(); - assert(key.VerifyPubKey(pubkey)); + // calculate the seed + CPubKey seed = key.GetPubKey(); + assert(key.VerifyPubKey(seed)); - // set the hd keypath to "m" -> Master, refers the masterkeyid to itself - metadata.hdKeypath = "m"; - metadata.hdMasterKeyID = pubkey.GetID(); + // set the hd keypath to "s" -> Seed, refers the seed to itself + metadata.hdKeypath = "s"; + metadata.hd_seed_id = seed.GetID(); { LOCK(cs_wallet); // mem store the metadata - mapKeyMetadata[pubkey.GetID()] = metadata; + mapKeyMetadata[seed.GetID()] = metadata; // write the key&metadata to the database - if (!AddKeyPubKey(key, pubkey)) + if (!AddKeyPubKey(key, seed)) throw std::runtime_error(std::string(__func__) + ": AddKeyPubKey failed"); } - return pubkey; + return seed; } -bool CWallet::SetHDMasterKey(const CPubKey& pubkey) +bool CWallet::SetHDSeed(const CPubKey& seed) { LOCK(cs_wallet); // store the keyid (hash160) together with @@ -1479,7 +1486,7 @@ bool CWallet::SetHDMasterKey(const CPubKey& pubkey) // as a hdchain object CHDChain newHdChain; newHdChain.nVersion = CanSupportFeature(FEATURE_HD_SPLIT) ? CHDChain::VERSION_HD_CHAIN_SPLIT : CHDChain::VERSION_HD_BASE; - newHdChain.masterKeyID = pubkey.GetID(); + newHdChain.seed_id = seed.GetID(); SetHDChain(newHdChain, false); return true; @@ -1497,52 +1504,41 @@ bool CWallet::SetHDChain(const CHDChain& chain, bool memonly) bool CWallet::IsHDEnabled() const { - return !hdChain.masterKeyID.IsNull(); + return !hdChain.seed_id.IsNull(); } -int64_t CWalletTx::GetTxTime() const +void CWallet::SetWalletFlag(uint64_t flags) { - int64_t n = nTimeSmart; - return n ? n : nTimeReceived; + LOCK(cs_wallet); + m_wallet_flags |= flags; + if (!WalletBatch(*database).WriteWalletFlags(m_wallet_flags)) + throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed"); } -int CWalletTx::GetRequestCount() const +bool CWallet::IsWalletFlagSet(uint64_t flag) { - // Returns -1 if it wasn't being tracked - int nRequests = -1; - { - LOCK(pwallet->cs_wallet); - if (IsCoinBase()) - { - // Generated block - if (!hashUnset()) - { - std::map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock); - if (mi != pwallet->mapRequestCount.end()) - nRequests = (*mi).second; - } - } - else - { - // Did anyone request this transaction? - std::map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash()); - if (mi != pwallet->mapRequestCount.end()) - { - nRequests = (*mi).second; + return (m_wallet_flags & flag); +} - // How about the block it's in? - if (nRequests == 0 && !hashUnset()) - { - std::map<uint256, int>::const_iterator _mi = pwallet->mapRequestCount.find(hashBlock); - if (_mi != pwallet->mapRequestCount.end()) - nRequests = (*_mi).second; - else - nRequests = 1; // If it's in someone else's block it must have got out - } - } - } +bool CWallet::SetWalletFlags(uint64_t overwriteFlags, bool memonly) +{ + LOCK(cs_wallet); + m_wallet_flags = overwriteFlags; + if (((overwriteFlags & g_known_wallet_flags) >> 32) ^ (overwriteFlags >> 32)) { + // contains unknown non-tolerable wallet flags + return false; + } + if (!memonly && !WalletBatch(*database).WriteWalletFlags(m_wallet_flags)) { + throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed"); } - return nRequests; + + return true; +} + +int64_t CWalletTx::GetTxTime() const +{ + int64_t n = nTimeSmart; + return n ? n : nTimeReceived; } // Helper for producing a max-sized low-S signature (eg 72 bytes) @@ -1738,23 +1734,27 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlock fAbortRescan = false; ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup CBlockIndex* tip = nullptr; - double dProgressStart; - double dProgressTip; + double progress_begin; + double progress_end; { LOCK(cs_main); - tip = chainActive.Tip(); - dProgressStart = GuessVerificationProgress(chainParams.TxData(), pindex); - dProgressTip = GuessVerificationProgress(chainParams.TxData(), tip); + progress_begin = GuessVerificationProgress(chainParams.TxData(), pindex); + if (pindexStop == nullptr) { + tip = chainActive.Tip(); + progress_end = GuessVerificationProgress(chainParams.TxData(), tip); + } else { + progress_end = GuessVerificationProgress(chainParams.TxData(), pindexStop); + } } - double gvp = dProgressStart; - while (pindex && !fAbortRescan) + double progress_current = progress_begin; + while (pindex && !fAbortRescan && !ShutdownRequested()) { - if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0) { - ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((gvp - dProgressStart) / (dProgressTip - dProgressStart) * 100)))); + if (pindex->nHeight % 100 == 0 && progress_end - progress_begin > 0.0) { + ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((progress_current - progress_begin) / (progress_end - progress_begin) * 100)))); } if (GetTime() >= nNow + 60) { nNow = GetTime(); - LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, gvp); + LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, progress_current); } CBlock block; @@ -1767,7 +1767,7 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlock break; } for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) { - AddToWalletIfInvolvingMe(block.vtx[posInBlock], pindex, posInBlock, fUpdate); + SyncTransaction(block.vtx[posInBlock], pindex, posInBlock, fUpdate); } } else { ret = pindex; @@ -1778,16 +1778,18 @@ CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, CBlock { LOCK(cs_main); pindex = chainActive.Next(pindex); - gvp = GuessVerificationProgress(chainParams.TxData(), pindex); - if (tip != chainActive.Tip()) { + progress_current = GuessVerificationProgress(chainParams.TxData(), pindex); + if (pindexStop == nullptr && tip != chainActive.Tip()) { tip = chainActive.Tip(); // in case the tip has changed, update progress max - dProgressTip = GuessVerificationProgress(chainParams.TxData(), tip); + progress_end = GuessVerificationProgress(chainParams.TxData(), tip); } } } if (pindex && fAbortRescan) { - LogPrintf("Rescan aborted at block %d. Progress=%f\n", pindex->nHeight, gvp); + LogPrintf("Rescan aborted at block %d. Progress=%f\n", pindex->nHeight, progress_current); + } else if (pindex && ShutdownRequested()) { + LogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", pindex->nHeight, progress_current); } ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI } @@ -1936,7 +1938,7 @@ CAmount CWalletTx::GetImmatureCredit(bool fUseCache) const return 0; } -CAmount CWalletTx::GetAvailableCredit(bool fUseCache) const +CAmount CWalletTx::GetAvailableCredit(bool fUseCache, const isminefilter& filter) const { if (pwallet == nullptr) return 0; @@ -1945,8 +1947,20 @@ CAmount CWalletTx::GetAvailableCredit(bool fUseCache) const if (IsCoinBase() && GetBlocksToMaturity() > 0) return 0; - if (fUseCache && fAvailableCreditCached) - return nAvailableCreditCached; + CAmount* cache = nullptr; + bool* cache_used = nullptr; + + if (filter == ISMINE_SPENDABLE) { + cache = &nAvailableCreditCached; + cache_used = &fAvailableCreditCached; + } else if (filter == ISMINE_WATCH_ONLY) { + cache = &nAvailableWatchCreditCached; + cache_used = &fAvailableWatchCreditCached; + } + + if (fUseCache && cache_used && *cache_used) { + return *cache; + } CAmount nCredit = 0; uint256 hashTx = GetHash(); @@ -1955,14 +1969,17 @@ CAmount CWalletTx::GetAvailableCredit(bool fUseCache) const if (!pwallet->IsSpent(hashTx, i)) { const CTxOut &txout = tx->vout[i]; - nCredit += pwallet->GetCredit(txout, ISMINE_SPENDABLE); + nCredit += pwallet->GetCredit(txout, filter); if (!MoneyRange(nCredit)) throw std::runtime_error(std::string(__func__) + " : value out of range"); } } - nAvailableCreditCached = nCredit; - fAvailableCreditCached = true; + if (cache) { + *cache = nCredit; + assert(cache_used); + *cache_used = true; + } return nCredit; } @@ -1980,35 +1997,6 @@ CAmount CWalletTx::GetImmatureWatchOnlyCredit(const bool fUseCache) const return 0; } -CAmount CWalletTx::GetAvailableWatchOnlyCredit(const bool fUseCache) const -{ - if (pwallet == nullptr) - return 0; - - // Must wait until coinbase is safely deep enough in the chain before valuing it - if (IsCoinBase() && GetBlocksToMaturity() > 0) - return 0; - - if (fUseCache && fAvailableWatchCreditCached) - return nAvailableWatchCreditCached; - - CAmount nCredit = 0; - for (unsigned int i = 0; i < tx->vout.size(); i++) - { - if (!pwallet->IsSpent(GetHash(), i)) - { - const CTxOut &txout = tx->vout[i]; - nCredit += pwallet->GetCredit(txout, ISMINE_WATCH_ONLY); - if (!MoneyRange(nCredit)) - throw std::runtime_error(std::string(__func__) + ": value out of range"); - } - } - - nAvailableWatchCreditCached = nCredit; - fAvailableWatchCreditCached = true; - return nCredit; -} - CAmount CWalletTx::GetChange() const { if (fChangeCached) @@ -2056,8 +2044,8 @@ bool CWalletTx::IsTrusted() const bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const { - CMutableTransaction tx1 = *this->tx; - CMutableTransaction tx2 = *_tx.tx; + CMutableTransaction tx1 {*this->tx}; + CMutableTransaction tx2 {*_tx.tx}; for (auto& txin : tx1.vin) txin.scriptSig = CScript(); for (auto& txin : tx2.vin) txin.scriptSig = CScript(); return CTransaction(tx1) == CTransaction(tx2); @@ -2122,7 +2110,7 @@ void CWallet::ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman */ -CAmount CWallet::GetBalance() const +CAmount CWallet::GetBalance(const isminefilter& filter, const int min_depth) const { CAmount nTotal = 0; { @@ -2130,8 +2118,9 @@ CAmount CWallet::GetBalance() const for (const auto& entry : mapWallet) { const CWalletTx* pcoin = &entry.second; - if (pcoin->IsTrusted()) - nTotal += pcoin->GetAvailableCredit(); + if (pcoin->IsTrusted() && pcoin->GetDepthInMainChain() >= min_depth) { + nTotal += pcoin->GetAvailableCredit(true, filter); + } } } @@ -2167,22 +2156,6 @@ CAmount CWallet::GetImmatureBalance() const return nTotal; } -CAmount CWallet::GetWatchOnlyBalance() const -{ - CAmount nTotal = 0; - { - LOCK2(cs_main, cs_wallet); - for (const auto& entry : mapWallet) - { - const CWalletTx* pcoin = &entry.second; - if (pcoin->IsTrusted()) - nTotal += pcoin->GetAvailableWatchOnlyCredit(); - } - } - - return nTotal; -} - CAmount CWallet::GetUnconfirmedWatchOnlyBalance() const { CAmount nTotal = 0; @@ -2192,7 +2165,7 @@ CAmount CWallet::GetUnconfirmedWatchOnlyBalance() const { const CWalletTx* pcoin = &entry.second; if (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0 && pcoin->InMempool()) - nTotal += pcoin->GetAvailableWatchOnlyCredit(); + nTotal += pcoin->GetAvailableCredit(true, ISMINE_WATCH_ONLY); } } return nTotal; @@ -2357,10 +2330,10 @@ void CWallet::AvailableCoins(std::vector<COutput> &vCoins, bool fOnlySafe, const continue; } - bool fSpendableIn = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_SOLVABLE) != ISMINE_NO); - bool fSolvableIn = (mine & (ISMINE_SPENDABLE | ISMINE_WATCH_SOLVABLE)) != ISMINE_NO; + bool solvable = IsSolvable(*this, pcoin->tx->vout[i].scriptPubKey); + bool spendable = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (((mine & ISMINE_WATCH_ONLY) != ISMINE_NO) && (coinControl && coinControl->fAllowWatchOnly && solvable)); - vCoins.push_back(COutput(pcoin, i, nDepth, fSpendableIn, fSolvableIn, safeTx)); + vCoins.push_back(COutput(pcoin, i, nDepth, spendable, solvable, safeTx)); // Checks the sum amount of all UTXO's. if (nMinimumSumAmount != MAX_MONEY) { @@ -2442,29 +2415,14 @@ const CTxOut& CWallet::FindNonChangeParentOutput(const CTransaction& tx, int out return ptx->vout[n]; } -bool CWallet::OutputEligibleForSpending(const COutput& output, const CoinEligibilityFilter& eligibility_filter) const -{ - if (!output.fSpendable) - return false; - - if (output.nDepth < (output.tx->IsFromMe(ISMINE_ALL) ? eligibility_filter.conf_mine : eligibility_filter.conf_theirs)) - return false; - - if (!mempool.TransactionWithinChainLimit(output.tx->GetHash(), eligibility_filter.max_ancestors)) - return false; - - return true; -} - -bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibilityFilter& eligibility_filter, std::vector<COutput> vCoins, +bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibilityFilter& eligibility_filter, std::vector<OutputGroup> groups, std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CoinSelectionParams& coin_selection_params, bool& bnb_used) const { setCoinsRet.clear(); nValueRet = 0; - std::vector<CInputCoin> utxo_pool; + std::vector<OutputGroup> utxo_pool; if (coin_selection_params.use_bnb) { - // Get long term estimate FeeCalculation feeCalc; CCoinControl temp; @@ -2475,19 +2433,26 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibil CAmount cost_of_change = GetDiscardRate(*this, ::feeEstimator).GetFee(coin_selection_params.change_spend_size) + coin_selection_params.effective_fee.GetFee(coin_selection_params.change_output_size); // Filter by the min conf specs and add to utxo_pool and calculate effective value - for (const COutput &output : vCoins) - { - if (!OutputEligibleForSpending(output, eligibility_filter)) - continue; - - CInputCoin coin(output.tx->tx, output.i); - coin.effective_value = coin.txout.nValue - (output.nInputBytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(output.nInputBytes)); - // Only include outputs that are positive effective value (i.e. not dust) - if (coin.effective_value > 0) { - coin.fee = output.nInputBytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(output.nInputBytes); - coin.long_term_fee = output.nInputBytes < 0 ? 0 : long_term_feerate.GetFee(output.nInputBytes); - utxo_pool.push_back(coin); + for (OutputGroup& group : groups) { + if (!group.EligibleForSpending(eligibility_filter)) continue; + + group.fee = 0; + group.long_term_fee = 0; + group.effective_value = 0; + for (auto it = group.m_outputs.begin(); it != group.m_outputs.end(); ) { + const CInputCoin& coin = *it; + CAmount effective_value = coin.txout.nValue - (coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes)); + // Only include outputs that are positive effective value (i.e. not dust) + if (effective_value > 0) { + group.fee += coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes); + group.long_term_fee += coin.m_input_bytes < 0 ? 0 : long_term_feerate.GetFee(coin.m_input_bytes); + group.effective_value += effective_value; + ++it; + } else { + it = group.Discard(coin); + } } + if (group.effective_value > 0) utxo_pool.push_back(group); } // Calculate the fees for things that aren't inputs CAmount not_input_fees = coin_selection_params.effective_fee.GetFee(coin_selection_params.tx_noinputs_size); @@ -2495,13 +2460,9 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibil return SelectCoinsBnB(utxo_pool, nTargetValue, cost_of_change, setCoinsRet, nValueRet, not_input_fees); } else { // Filter by the min conf specs and add to utxo_pool - for (const COutput &output : vCoins) - { - if (!OutputEligibleForSpending(output, eligibility_filter)) - continue; - - CInputCoin coin = CInputCoin(output.tx->tx, output.i); - utxo_pool.push_back(coin); + for (const OutputGroup& group : groups) { + if (!group.EligibleForSpending(eligibility_filter)) continue; + utxo_pool.push_back(group); } bnb_used = false; return KnapsackSolver(nTargetValue, utxo_pool, setCoinsRet, nValueRet); @@ -2523,7 +2484,7 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm if (!out.fSpendable) continue; nValueRet += out.tx->tx->vout[out.i].nValue; - setCoinsRet.insert(CInputCoin(out.tx->tx, out.i)); + setCoinsRet.insert(out.GetInputCoin()); } return (nValueRet >= nTargetValue); } @@ -2557,26 +2518,31 @@ bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAm // remove preset inputs from vCoins for (std::vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coin_control.HasSelected();) { - if (setPresetCoins.count(CInputCoin(it->tx->tx, it->i))) + if (setPresetCoins.count(it->GetInputCoin())) it = vCoins.erase(it); else ++it; } - size_t nMaxChainLength = std::min(gArgs.GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT), gArgs.GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT)); + // form groups from remaining coins; note that preset coins will not + // automatically have their associated (same address) coins included + std::vector<OutputGroup> groups = GroupOutputs(vCoins, !coin_control.m_avoid_partial_spends); + + size_t max_ancestors = (size_t)std::max<int64_t>(1, gArgs.GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT)); + size_t max_descendants = (size_t)std::max<int64_t>(1, gArgs.GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT)); bool fRejectLongChains = gArgs.GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS); bool res = nTargetValue <= nValueFromPresetInputs || - SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 6, 0), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used) || - SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 1, 0), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used) || - (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, 2), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || - (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::min((size_t)4, nMaxChainLength/3)), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || - (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, nMaxChainLength/2), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || - (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, nMaxChainLength), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || - (m_spend_zero_conf_change && !fRejectLongChains && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::numeric_limits<uint64_t>::max()), vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 6, 0), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used) || + SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 1, 0), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used) || + (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, 2), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || + (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::min((size_t)4, max_ancestors/3), std::min((size_t)4, max_descendants/3)), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || + (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, max_ancestors/2, max_descendants/2), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || + (m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, max_ancestors-1, max_descendants-1), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used)) || + (m_spend_zero_conf_change && !fRejectLongChains && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::numeric_limits<uint64_t>::max()), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // because SelectCoinsMinConf clears the setCoinsRet, we now add the possible inputs to the coinset - setCoinsRet.insert(setPresetCoins.begin(), setPresetCoins.end()); + util::insert(setCoinsRet, setPresetCoins); // add preset inputs to the total value selected nValueRet += nValueFromPresetInputs; @@ -2589,9 +2555,8 @@ bool CWallet::SignTransaction(CMutableTransaction &tx) AssertLockHeld(cs_wallet); // mapWallet // sign the new tx - CTransaction txNewConst(tx); int nIn = 0; - for (const auto& input : tx.vin) { + for (auto& input : tx.vin) { std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(input.prevout.hash); if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) { return false; @@ -2599,10 +2564,10 @@ bool CWallet::SignTransaction(CMutableTransaction &tx) const CScript& scriptPubKey = mi->second.tx->vout[input.prevout.n].scriptPubKey; const CAmount& amount = mi->second.tx->vout[input.prevout.n].nValue; SignatureData sigdata; - if (!ProduceSignature(*this, TransactionSignatureCreator(&txNewConst, nIn, amount, SIGHASH_ALL), scriptPubKey, sigdata)) { + if (!ProduceSignature(*this, MutableTransactionSignatureCreator(&tx, nIn, amount, SIGHASH_ALL), scriptPubKey, sigdata)) { return false; } - UpdateTransaction(tx, nIn, sigdata); + UpdateInput(input, sigdata); nIn++; } return true; @@ -2665,7 +2630,7 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nC OutputType CWallet::TransactionChangeType(OutputType change_type, const std::vector<CRecipient>& vecSend) { // If -changetype is specified, always use that change type. - if (change_type != OutputType::NONE) { + if (change_type != OutputType::CHANGE_AUTO) { return change_type; } @@ -2691,7 +2656,7 @@ OutputType CWallet::TransactionChangeType(OutputType change_type, const std::vec } bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransactionRef& tx, CReserveKey& reservekey, CAmount& nFeeRet, - int& nChangePosInOut, std::string& strFailReason, const CCoinControl& coin_control, bool sign) + int& nChangePosInOut, std::string& strFailReason, const CCoinControl& coin_control, bool sign) { CAmount nValue = 0; int nChangePosRequest = nChangePosInOut; @@ -2775,6 +2740,10 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransac // post-backup change. // Reserve a new key pair from key pool + if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + strFailReason = _("Can't generate a change-address key. Private keys are disabled for this wallet."); + return false; + } CPubKey vchPubKey; bool ret; ret = reservekey.GetReservedKey(vchPubKey, true); @@ -3021,19 +2990,18 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransac if (sign) { - CTransaction txNewConst(txNew); int nIn = 0; for (const auto& coin : selected_coins) { const CScript& scriptPubKey = coin.txout.scriptPubKey; SignatureData sigdata; - if (!ProduceSignature(*this, TransactionSignatureCreator(&txNewConst, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata)) + if (!ProduceSignature(*this, MutableTransactionSignatureCreator(&txNew, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata)) { strFailReason = _("Signing transaction failed"); return false; } else { - UpdateTransaction(txNew, nIn, sigdata); + UpdateInput(txNew.vin.at(nIn), sigdata); } nIn++; @@ -3044,7 +3012,7 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CTransac tx = MakeTransactionRef(std::move(txNew)); // Limit size - if (GetTransactionWeight(*tx) >= MAX_STANDARD_TX_WEIGHT) + if (GetTransactionWeight(*tx) > MAX_STANDARD_TX_WEIGHT) { strFailReason = _("Transaction too large"); return false; @@ -3111,9 +3079,6 @@ bool CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::ve } } - // Track how many getdata requests our transaction gets - mapRequestCount[wtxNew.GetHash()] = 0; - // Get the inserted-CWalletTx from mapWallet so that the // fInMempool flag is cached properly CWalletTx& wtx = mapWallet.at(wtxNew.GetHash()); @@ -3176,14 +3141,15 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet) } } - // This wallet is in its first run if all of these are empty - fFirstRunRet = mapKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty(); + { + LOCK(cs_KeyStore); + // This wallet is in its first run if all of these are empty + fFirstRunRet = mapKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty() && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS); + } if (nLoadWalletRet != DBErrors::LOAD_OK) return nLoadWalletRet; - uiInterface.LoadWallet(this); - return DBErrors::LOAD_OK; } @@ -3191,8 +3157,11 @@ DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256 { AssertLockHeld(cs_wallet); // mapWallet DBErrors nZapSelectTxRet = WalletBatch(*database,"cr+").ZapSelectTx(vHashIn, vHashOut); - for (uint256 hash : vHashOut) - mapWallet.erase(hash); + for (uint256 hash : vHashOut) { + const auto& it = mapWallet.find(hash); + wtxOrdered.erase(it->second.m_it_wtxOrdered); + mapWallet.erase(it); + } if (nZapSelectTxRet == DBErrors::NEED_REWRITE) { @@ -3265,7 +3234,7 @@ bool CWallet::DelAddressBook(const CTxDestination& address) // Delete destdata tuples associated with address std::string strAddress = EncodeDestination(address); - for (const std::pair<std::string, std::string> &item : mapAddressBook[address].destdata) + for (const std::pair<const std::string, std::string> &item : mapAddressBook[address].destdata) { WalletBatch(*database).EraseDestData(strAddress, item.first); } @@ -3299,6 +3268,9 @@ const std::string& CWallet::GetLabelName(const CScript& scriptPubKey) const */ bool CWallet::NewKeyPool() { + if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + return false; + } { LOCK(cs_wallet); WalletBatch batch(*database); @@ -3313,6 +3285,11 @@ bool CWallet::NewKeyPool() } setExternalKeyPool.clear(); + for (int64_t nIndex : set_pre_split_keypool) { + batch.ErasePool(nIndex); + } + set_pre_split_keypool.clear(); + m_pool_key_to_index.clear(); if (!TopUpKeyPool()) { @@ -3326,13 +3303,15 @@ bool CWallet::NewKeyPool() size_t CWallet::KeypoolCountExternalKeys() { AssertLockHeld(cs_wallet); // setExternalKeyPool - return setExternalKeyPool.size(); + return setExternalKeyPool.size() + set_pre_split_keypool.size(); } void CWallet::LoadKeyPool(int64_t nIndex, const CKeyPool &keypool) { AssertLockHeld(cs_wallet); - if (keypool.fInternal) { + if (keypool.m_pre_split) { + set_pre_split_keypool.insert(nIndex); + } else if (keypool.fInternal) { setInternalKeyPool.insert(nIndex); } else { setExternalKeyPool.insert(nIndex); @@ -3350,6 +3329,9 @@ void CWallet::LoadKeyPool(int64_t nIndex, const CKeyPool &keypool) bool CWallet::TopUpKeyPool(unsigned int kpSize) { + if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + return false; + } { LOCK(cs_wallet); @@ -3397,13 +3379,13 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize) m_pool_key_to_index[pubkey.GetID()] = index; } if (missingInternal + missingExternal > 0) { - LogPrintf("keypool added %d keys (%d internal), size=%u (%u internal)\n", missingInternal + missingExternal, missingInternal, setInternalKeyPool.size() + setExternalKeyPool.size(), setInternalKeyPool.size()); + LogPrintf("keypool added %d keys (%d internal), size=%u (%u internal)\n", missingInternal + missingExternal, missingInternal, setInternalKeyPool.size() + setExternalKeyPool.size() + set_pre_split_keypool.size(), setInternalKeyPool.size()); } } return true; } -void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal) +bool CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal) { nIndex = -1; keypool.vchPubKey = CPubKey(); @@ -3414,11 +3396,13 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRe TopUpKeyPool(); bool fReturningInternal = IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT) && fRequestedInternal; - std::set<int64_t>& setKeyPool = fReturningInternal ? setInternalKeyPool : setExternalKeyPool; + bool use_split_keypool = set_pre_split_keypool.empty(); + std::set<int64_t>& setKeyPool = use_split_keypool ? (fReturningInternal ? setInternalKeyPool : setExternalKeyPool) : set_pre_split_keypool; // Get the oldest key - if(setKeyPool.empty()) - return; + if (setKeyPool.empty()) { + return false; + } WalletBatch batch(*database); @@ -3431,14 +3415,18 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRe if (!HaveKey(keypool.vchPubKey.GetID())) { throw std::runtime_error(std::string(__func__) + ": unknown key in key pool"); } - if (keypool.fInternal != fReturningInternal) { + // If the key was pre-split keypool, we don't care about what type it is + if (use_split_keypool && keypool.fInternal != fReturningInternal) { throw std::runtime_error(std::string(__func__) + ": keypool entry misclassified"); } + if (!keypool.vchPubKey.IsValid()) { + throw std::runtime_error(std::string(__func__) + ": keypool entry invalid"); + } - assert(keypool.vchPubKey.IsValid()); m_pool_key_to_index.erase(keypool.vchPubKey.GetID()); LogPrintf("keypool reserve %d\n", nIndex); } + return true; } void CWallet::KeepKey(int64_t nIndex) @@ -3456,6 +3444,8 @@ void CWallet::ReturnKey(int64_t nIndex, bool fInternal, const CPubKey& pubkey) LOCK(cs_wallet); if (fInternal) { setInternalKeyPool.insert(nIndex); + } else if (!set_pre_split_keypool.empty()) { + set_pre_split_keypool.insert(nIndex); } else { setExternalKeyPool.insert(nIndex); } @@ -3466,13 +3456,15 @@ void CWallet::ReturnKey(int64_t nIndex, bool fInternal, const CPubKey& pubkey) bool CWallet::GetKeyFromPool(CPubKey& result, bool internal) { + if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + return false; + } + CKeyPool keypool; { LOCK(cs_wallet); - int64_t nIndex = 0; - ReserveKeyFromKeyPool(nIndex, keypool, internal); - if (nIndex == -1) - { + int64_t nIndex; + if (!ReserveKeyFromKeyPool(nIndex, keypool, internal)) { if (IsLocked()) return false; WalletBatch batch(*database); result = GenerateNewKey(batch, internal); @@ -3508,6 +3500,9 @@ int64_t CWallet::GetOldestKeyPoolTime() int64_t oldestKey = GetOldestKeyTimeInPool(setExternalKeyPool, batch); if (IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT)) { oldestKey = std::max(GetOldestKeyTimeInPool(setInternalKeyPool, batch), oldestKey); + if (!set_pre_split_keypool.empty()) { + oldestKey = std::max(GetOldestKeyTimeInPool(set_pre_split_keypool, batch), oldestKey); + } } return oldestKey; @@ -3650,7 +3645,7 @@ std::set<CTxDestination> CWallet::GetLabelAddresses(const std::string& label) co { LOCK(cs_wallet); std::set<CTxDestination> result; - for (const std::pair<CTxDestination, CAddressBookData>& item : mapAddressBook) + for (const std::pair<const CTxDestination, CAddressBookData>& item : mapAddressBook) { const CTxDestination& address = item.first; const std::string& strName = item.second.name; @@ -3671,12 +3666,10 @@ bool CReserveKey::GetReservedKey(CPubKey& pubkey, bool internal) if (nIndex == -1) { CKeyPool keypool; - pwallet->ReserveKeyFromKeyPool(nIndex, keypool, internal); - if (nIndex != -1) - vchPubKey = keypool.vchPubKey; - else { + if (!pwallet->ReserveKeyFromKeyPool(nIndex, keypool, internal)) { return false; } + vchPubKey = keypool.vchPubKey; fInternal = keypool.fInternal; } assert(vchPubKey.IsValid()); @@ -3705,8 +3698,8 @@ void CWallet::MarkReserveKeysAsUsed(int64_t keypool_id) { AssertLockHeld(cs_wallet); bool internal = setInternalKeyPool.count(keypool_id); - if (!internal) assert(setExternalKeyPool.count(keypool_id)); - std::set<int64_t> *setKeyPool = internal ? &setInternalKeyPool : &setExternalKeyPool; + if (!internal) assert(setExternalKeyPool.count(keypool_id) || set_pre_split_keypool.count(keypool_id)); + std::set<int64_t> *setKeyPool = internal ? &setInternalKeyPool : (set_pre_split_keypool.empty() ? &setExternalKeyPool : &set_pre_split_keypool); auto it = setKeyPool->begin(); WalletBatch batch(*database); @@ -3942,7 +3935,71 @@ std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const return values; } -CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& path) +void CWallet::MarkPreSplitKeys() +{ + WalletBatch batch(*database); + for (auto it = setExternalKeyPool.begin(); it != setExternalKeyPool.end();) { + int64_t index = *it; + CKeyPool keypool; + if (!batch.ReadPool(index, keypool)) { + throw std::runtime_error(std::string(__func__) + ": read keypool entry failed"); + } + keypool.m_pre_split = true; + if (!batch.WritePool(index, keypool)) { + throw std::runtime_error(std::string(__func__) + ": writing modified keypool entry failed"); + } + set_pre_split_keypool.insert(index); + it = setExternalKeyPool.erase(it); + } +} + +bool CWallet::Verify(std::string wallet_file, bool salvage_wallet, std::string& error_string, std::string& warning_string) +{ + // Do some checking on wallet path. It should be either a: + // + // 1. Path where a directory can be created. + // 2. Path to an existing directory. + // 3. Path to a symlink to a directory. + // 4. For backwards compatibility, the name of a data file in -walletdir. + LOCK(cs_wallets); + fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir()); + fs::file_type path_type = fs::symlink_status(wallet_path).type(); + if (!(path_type == fs::file_not_found || path_type == fs::directory_file || + (path_type == fs::symlink_file && fs::is_directory(wallet_path)) || + (path_type == fs::regular_file && fs::path(wallet_file).filename() == wallet_file))) { + error_string = strprintf( + "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and " + "database/log.?????????? files can be stored, a location where such a directory could be created, " + "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)", + wallet_file, GetWalletDir()); + return false; + } + + // Make sure that the wallet path doesn't clash with an existing wallet path + for (auto wallet : GetWallets()) { + if (fs::absolute(wallet->GetName(), GetWalletDir()) == wallet_path) { + error_string = strprintf("Error loading wallet %s. Duplicate -wallet filename specified.", wallet_file); + return false; + } + } + + if (!WalletBatch::VerifyEnvironment(wallet_path, error_string)) { + return false; + } + + if (salvage_wallet) { + // Recover readable keypairs: + CWallet dummyWallet("dummy", WalletDatabase::CreateDummy()); + std::string backup_filename; + if (!WalletBatch::Recover(wallet_path, (void *)&dummyWallet, WalletBatch::RecoverKeysOnlyFilter, backup_filename)) { + return false; + } + } + + return WalletBatch::VerifyDatabaseFile(wallet_path, warning_string, error_string); +} + +std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(const std::string& name, const fs::path& path, uint64_t wallet_creation_flags) { const std::string& walletFile = name; @@ -3964,7 +4021,9 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& int64_t nStart = GetTimeMillis(); bool fFirstRun = true; - CWallet *walletInstance = new CWallet(name, WalletDatabase::Create(path)); + // TODO: Can't use std::make_shared because we need a custom deleter but + // should be possible to use std::allocate_shared. + std::shared_ptr<CWallet> walletInstance(new CWallet(name, WalletDatabase::Create(path)), ReleaseWallet); DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun); if (nLoadWalletRet != DBErrors::LOAD_OK) { @@ -3993,13 +4052,14 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } } + int prev_version = walletInstance->nWalletVersion; if (gArgs.GetBoolArg("-upgradewallet", fFirstRun)) { int nMaxVersion = gArgs.GetArg("-upgradewallet", 0); if (nMaxVersion == 0) // the -upgradewallet without argument case { LogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST); - nMaxVersion = CLIENT_VERSION; + nMaxVersion = FEATURE_LATEST; walletInstance->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately } else @@ -4012,6 +4072,49 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& walletInstance->SetMaxVersion(nMaxVersion); } + // Upgrade to HD if explicit upgrade + if (gArgs.GetBoolArg("-upgradewallet", false)) { + LOCK(walletInstance->cs_wallet); + + // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT + int max_version = walletInstance->nWalletVersion; + if (!walletInstance->CanSupportFeature(FEATURE_HD_SPLIT) && max_version >=FEATURE_HD_SPLIT && max_version < FEATURE_PRE_SPLIT_KEYPOOL) { + InitError(_("Cannot upgrade a non HD split wallet without upgrading to support pre split keypool. Please use -upgradewallet=169900 or -upgradewallet with no version specified.")); + return nullptr; + } + + bool hd_upgrade = false; + bool split_upgrade = false; + if (walletInstance->CanSupportFeature(FEATURE_HD) && !walletInstance->IsHDEnabled()) { + LogPrintf("Upgrading wallet to HD\n"); + walletInstance->SetMinVersion(FEATURE_HD); + + // generate a new master key + CPubKey masterPubKey = walletInstance->GenerateNewSeed(); + if (!walletInstance->SetHDSeed(masterPubKey)) { + throw std::runtime_error(std::string(__func__) + ": Storing master key failed"); + } + hd_upgrade = true; + } + // Upgrade to HD chain split if necessary + if (walletInstance->CanSupportFeature(FEATURE_HD_SPLIT)) { + LogPrintf("Upgrading wallet to use HD chain split\n"); + walletInstance->SetMinVersion(FEATURE_PRE_SPLIT_KEYPOOL); + split_upgrade = FEATURE_HD_SPLIT > prev_version; + } + // Mark all keys currently in the keypool as pre-split + if (split_upgrade) { + walletInstance->MarkPreSplitKeys(); + } + // Regenerate the keypool if upgraded to HD + if (hd_upgrade) { + if (!walletInstance->TopUpKeyPool()) { + InitError(_("Unable to generate keys") += "\n"); + return nullptr; + } + } + } + if (fFirstRun) { // ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key @@ -4019,20 +4122,35 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& InitError(strprintf(_("Error creating %s: You can't create non-HD wallets with this version."), walletFile)); return nullptr; } - walletInstance->SetMinVersion(FEATURE_NO_DEFAULT_KEY); + walletInstance->SetMinVersion(FEATURE_LATEST); - // generate a new master key - CPubKey masterPubKey = walletInstance->GenerateNewHDMasterKey(); - if (!walletInstance->SetHDMasterKey(masterPubKey)) - throw std::runtime_error(std::string(__func__) + ": Storing master key failed"); + if ((wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + //selective allow to set flags + walletInstance->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS); + } else { + // generate a new seed + CPubKey seed = walletInstance->GenerateNewSeed(); + if (!walletInstance->SetHDSeed(seed)) { + throw std::runtime_error(std::string(__func__) + ": Storing HD seed failed"); + } + } // Top up the keypool - if (!walletInstance->TopUpKeyPool()) { + if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !walletInstance->TopUpKeyPool()) { InitError(_("Unable to generate initial keys") += "\n"); return nullptr; } - walletInstance->SetBestChain(chainActive.GetLocator()); + walletInstance->ChainStateFlushed(chainActive.GetLocator()); + } else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) { + // Make it impossible to disable private keys after creation + InitError(strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile)); + return NULL; + } else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) { + LOCK(walletInstance->cs_KeyStore); + if (!walletInstance->mapKeys.empty() || !walletInstance->mapCryptedKeys.empty()) { + InitWarning(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile)); + } } else if (gArgs.IsArgSet("-usehd")) { bool useHD = gArgs.GetBoolArg("-usehd", true); if (walletInstance->IsHDEnabled() && !useHD) { @@ -4045,16 +4163,12 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } } - walletInstance->m_default_address_type = ParseOutputType(gArgs.GetArg("-addresstype", ""), DEFAULT_ADDRESS_TYPE); - if (walletInstance->m_default_address_type == OutputType::NONE) { + if (!gArgs.GetArg("-addresstype", "").empty() && !ParseOutputType(gArgs.GetArg("-addresstype", ""), walletInstance->m_default_address_type)) { InitError(strprintf("Unknown address type '%s'", gArgs.GetArg("-addresstype", ""))); return nullptr; } - // If changetype is set in config file or parameter, check that it's valid. - // Default to OutputType::NONE if not set. - walletInstance->m_default_change_type = ParseOutputType(gArgs.GetArg("-changetype", ""), OutputType::NONE); - if (walletInstance->m_default_change_type == OutputType::NONE && !gArgs.GetArg("-changetype", "").empty()) { + if (!gArgs.GetArg("-changetype", "").empty() && !ParseOutputType(gArgs.GetArg("-changetype", ""), walletInstance->m_default_change_type)) { InitError(strprintf("Unknown change type '%s'", gArgs.GetArg("-changetype", ""))); return nullptr; } @@ -4136,7 +4250,6 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } walletInstance->m_last_block_processed = chainActive.Tip(); - RegisterValidationInterface(walletInstance); if (chainActive.Tip() && chainActive.Tip() != pindexRescan) { @@ -4166,7 +4279,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& nStart = GetTimeMillis(); { - WalletRescanReserver reserver(walletInstance); + WalletRescanReserver reserver(walletInstance.get()); if (!reserver.reserve()) { InitError(_("Failed to rescan the wallet during initialization")); return nullptr; @@ -4174,7 +4287,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& walletInstance->ScanForWalletTransactions(pindexRescan, nullptr, reserver, true); } LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart); - walletInstance->SetBestChain(chainActive.GetLocator()); + walletInstance->ChainStateFlushed(chainActive.GetLocator()); walletInstance->database->IncrementUpdateCounter(); // Restore wallet transaction metadata after -zapwallettxes=1 @@ -4202,6 +4315,12 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& } } } + + uiInterface.LoadWallet(walletInstance); + + // Register with the validation interface. It's ok to do this after rescan since we're still holding cs_main. + RegisterValidationInterface(walletInstance.get()); + walletInstance->SetBroadcastTransactions(gArgs.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST)); { @@ -4214,18 +4333,11 @@ CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& return walletInstance; } -std::atomic<bool> CWallet::fFlushScheduled(false); - -void CWallet::postInitProcess(CScheduler& scheduler) +void CWallet::postInitProcess() { // Add wallet transactions that aren't already in a block to mempool // Do this here as mempool requires genesis block to be loaded ReacceptWalletTransactions(); - - // Run a thread to flush wallet periodically - if (!CWallet::fFlushScheduled.exchange(true)) { - scheduler.scheduleEvery(MaybeCompactWalletDB, 500); - } } bool CWallet::BackupWallet(const std::string& strDest) @@ -4237,6 +4349,7 @@ CKeyPool::CKeyPool() { nTime = GetTime(); fInternal = false; + m_pre_split = false; } CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn) @@ -4244,6 +4357,7 @@ CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn) nTime = GetTime(); vchPubKey = vchPubKeyIn; fInternal = internalIn; + m_pre_split = false; } CWalletKey::CWalletKey(int64_t nExpires) @@ -4261,7 +4375,7 @@ void CMerkleTx::SetMerkleBranch(const CBlockIndex* pindex, int posInBlock) nIndex = posInBlock; } -int CMerkleTx::GetDepthInMainChain(const CBlockIndex* &pindexRet) const +int CMerkleTx::GetDepthInMainChain() const { if (hashUnset()) return 0; @@ -4273,7 +4387,6 @@ int CMerkleTx::GetDepthInMainChain(const CBlockIndex* &pindexRet) const if (!pindex || !chainActive.Contains(pindex)) return 0; - pindexRet = pindex; return ((nIndex == -1) ? (-1) : 1) * (chainActive.Height() - pindex->nHeight + 1); } @@ -4298,35 +4411,6 @@ bool CWalletTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& return ret; } -static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy"; -static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit"; -static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32"; - -OutputType ParseOutputType(const std::string& type, OutputType default_type) -{ - if (type.empty()) { - return default_type; - } else if (type == OUTPUT_TYPE_STRING_LEGACY) { - return OutputType::LEGACY; - } else if (type == OUTPUT_TYPE_STRING_P2SH_SEGWIT) { - return OutputType::P2SH_SEGWIT; - } else if (type == OUTPUT_TYPE_STRING_BECH32) { - return OutputType::BECH32; - } else { - return OutputType::NONE; - } -} - -const std::string& FormatOutputType(OutputType type) -{ - switch (type) { - case OutputType::LEGACY: return OUTPUT_TYPE_STRING_LEGACY; - case OutputType::P2SH_SEGWIT: return OUTPUT_TYPE_STRING_P2SH_SEGWIT; - case OutputType::BECH32: return OUTPUT_TYPE_STRING_BECH32; - default: assert(false); - } -} - void CWallet::LearnRelatedScripts(const CPubKey& key, OutputType type) { if (key.IsCompressed() && (type == OutputType::P2SH_SEGWIT || type == OutputType::BECH32)) { @@ -4344,59 +4428,29 @@ void CWallet::LearnAllRelatedScripts(const CPubKey& key) LearnRelatedScripts(key, OutputType::P2SH_SEGWIT); } -CTxDestination GetDestinationForKey(const CPubKey& key, OutputType type) -{ - switch (type) { - case OutputType::LEGACY: return key.GetID(); - case OutputType::P2SH_SEGWIT: - case OutputType::BECH32: { - if (!key.IsCompressed()) return key.GetID(); - CTxDestination witdest = WitnessV0KeyHash(key.GetID()); - CScript witprog = GetScriptForDestination(witdest); - if (type == OutputType::P2SH_SEGWIT) { - return CScriptID(witprog); - } else { - return witdest; - } - } - default: assert(false); - } -} - -std::vector<CTxDestination> GetAllDestinationsForKey(const CPubKey& key) -{ - CKeyID keyid = key.GetID(); - if (key.IsCompressed()) { - CTxDestination segwit = WitnessV0KeyHash(keyid); - CTxDestination p2sh = CScriptID(GetScriptForDestination(segwit)); - return std::vector<CTxDestination>{std::move(keyid), std::move(p2sh), std::move(segwit)}; - } else { - return std::vector<CTxDestination>{std::move(keyid)}; - } -} - -CTxDestination CWallet::AddAndGetDestinationForScript(const CScript& script, OutputType type) -{ - // Note that scripts over 520 bytes are not yet supported. - switch (type) { - case OutputType::LEGACY: - return CScriptID(script); - case OutputType::P2SH_SEGWIT: - case OutputType::BECH32: { - WitnessV0ScriptHash hash; - CSHA256().Write(script.data(), script.size()).Finalize(hash.begin()); - CTxDestination witdest = hash; - CScript witprog = GetScriptForDestination(witdest); - // Check if the resulting program is solvable (i.e. doesn't use an uncompressed key) - if (!IsSolvable(*this, witprog)) return CScriptID(script); - // Add the redeemscript, so that P2WSH and P2SH-P2WSH outputs are recognized as ours. - AddCScript(witprog); - if (type == OutputType::BECH32) { - return witdest; - } else { - return CScriptID(witprog); +std::vector<OutputGroup> CWallet::GroupOutputs(const std::vector<COutput>& outputs, bool single_coin) const { + std::vector<OutputGroup> groups; + std::map<CTxDestination, OutputGroup> gmap; + CTxDestination dst; + for (const auto& output : outputs) { + if (output.fSpendable) { + CInputCoin input_coin = output.GetInputCoin(); + + size_t ancestors, descendants; + mempool.GetTransactionAncestry(output.tx->GetHash(), ancestors, descendants); + if (!single_coin && ExtractDestination(output.tx->tx->vout[output.i].scriptPubKey, dst)) { + if (gmap.count(dst) == 10) { + groups.push_back(gmap[dst]); + gmap.erase(dst); + } + gmap[dst].Insert(input_coin, output.nDepth, output.tx->IsFromMe(ISMINE_ALL), ancestors, descendants); + } else { + groups.emplace_back(input_coin, output.nDepth, output.tx->IsFromMe(ISMINE_ALL), ancestors, descendants); + } } } - default: assert(false); + if (!single_coin) { + for (const auto& it : gmap) groups.push_back(it.second); } + return groups; } |