diff options
Diffstat (limited to 'src/wallet/wallet.cpp')
-rw-r--r-- | src/wallet/wallet.cpp | 97 |
1 files changed, 89 insertions, 8 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 96242c6b13..5be9f4a290 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -1452,7 +1452,11 @@ CPubKey CWallet::GenerateNewHDMasterKey() { CKey key; key.MakeNewKey(true); + return DeriveNewMasterHDKey(key); +} +CPubKey CWallet::DeriveNewMasterHDKey(const CKey& key) +{ int64_t nCreationTime = GetTime(); CKeyMetadata metadata(nCreationTime); @@ -3326,6 +3330,11 @@ 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()) { @@ -3339,13 +3348,15 @@ 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); @@ -3410,7 +3421,7 @@ 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; @@ -3427,7 +3438,7 @@ 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; + std::set<int64_t>& setKeyPool = set_pre_split_keypool.empty() ? (fReturningInternal ? setInternalKeyPool : setExternalKeyPool) : set_pre_split_keypool; // Get the oldest key if(setKeyPool.empty()) @@ -3444,7 +3455,8 @@ 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 (set_pre_split_keypool.size() == 0 && keypool.fInternal != fReturningInternal) { throw std::runtime_error(std::string(__func__) + ": keypool entry misclassified"); } @@ -3469,6 +3481,8 @@ 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); } @@ -3521,6 +3535,9 @@ 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; @@ -3718,8 +3735,8 @@ 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); @@ -3955,6 +3972,24 @@ std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const return values; } +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); + } +} + CWallet* CWallet::CreateWalletFromFile(const std::string& name, const fs::path& path) { const std::string& walletFile = name; @@ -4006,6 +4041,7 @@ 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); @@ -4025,6 +4061,49 @@ 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->GenerateNewHDMasterKey(); + if (!walletInstance->SetHDMasterKey(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 @@ -4032,7 +4111,7 @@ 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(); @@ -4246,6 +4325,7 @@ CKeyPool::CKeyPool() { nTime = GetTime(); fInternal = false; + m_pre_split = false; } CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn) @@ -4253,6 +4333,7 @@ CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn) nTime = GetTime(); vchPubKey = vchPubKeyIn; fInternal = internalIn; + m_pre_split = false; } CWalletKey::CWalletKey(int64_t nExpires) |