diff options
Diffstat (limited to 'src/wallet/walletdb.cpp')
| -rw-r--r-- | src/wallet/walletdb.cpp | 192 |
1 files changed, 136 insertions, 56 deletions
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp index 98597bdb0f..6f38398076 100644 --- a/src/wallet/walletdb.cpp +++ b/src/wallet/walletdb.cpp @@ -10,6 +10,7 @@ #include <protocol.h> #include <serialize.h> #include <sync.h> +#include <util/bip32.h> #include <util/system.h> #include <util/time.h> #include <wallet/wallet.h> @@ -17,8 +18,6 @@ #include <atomic> #include <string> -#include <boost/thread.hpp> - namespace DBKeys { const std::string ACENTRY{"acentry"}; const std::string ACTIVEEXTERNALSPK{"activeexternalspk"}; @@ -115,8 +114,19 @@ bool WalletBatch::WriteCryptedKey(const CPubKey& vchPubKey, return false; } - if (!WriteIC(std::make_pair(DBKeys::CRYPTED_KEY, vchPubKey), vchCryptedSecret, false)) { - return false; + // Compute a checksum of the encrypted key + uint256 checksum = Hash(vchCryptedSecret.begin(), vchCryptedSecret.end()); + + const auto key = std::make_pair(DBKeys::CRYPTED_KEY, vchPubKey); + if (!WriteIC(key, std::make_pair(vchCryptedSecret, checksum), false)) { + // It may already exist, so try writing just the checksum + std::vector<unsigned char> val; + if (!m_batch.Read(key, val)) { + return false; + } + if (!WriteIC(key, std::make_pair(val, checksum), true)) { + return false; + } } EraseIC(std::make_pair(DBKeys::KEY, vchPubKey)); return true; @@ -245,6 +255,7 @@ public: std::map<uint256, DescriptorCache> m_descriptor_caches; std::map<std::pair<uint256, CKeyID>, CKey> m_descriptor_keys; std::map<std::pair<uint256, CKeyID>, std::pair<CPubKey, std::vector<unsigned char>>> m_descriptor_crypt_keys; + std::map<uint160, CHDChain> m_hd_chains; CWalletScanState() { } @@ -397,9 +408,21 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, } std::vector<unsigned char> vchPrivKey; ssValue >> vchPrivKey; + + // Get the checksum and check it + bool checksum_valid = false; + if (!ssValue.eof()) { + uint256 checksum; + ssValue >> checksum; + if ((checksum_valid = Hash(vchPrivKey.begin(), vchPrivKey.end()) != checksum)) { + strErr = "Error reading wallet database: Crypted key corrupt"; + return false; + } + } + wss.nCKeys++; - if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey)) + if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey, checksum_valid)) { strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCryptedKey failed"; return false; @@ -412,6 +435,65 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, ssValue >> keyMeta; wss.nKeyMeta++; pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKeyMetadata(vchPubKey.GetID(), keyMeta); + + // Extract some CHDChain info from this metadata if it has any + if (keyMeta.nVersion >= CKeyMetadata::VERSION_WITH_HDDATA && !keyMeta.hd_seed_id.IsNull() && keyMeta.hdKeypath.size() > 0) { + // Get the path from the key origin or from the path string + // Not applicable when path is "s" as that indicates a seed + bool internal = false; + uint32_t index = 0; + if (keyMeta.hdKeypath != "s") { + std::vector<uint32_t> path; + if (keyMeta.has_key_origin) { + // We have a key origin, so pull it from its path vector + path = keyMeta.key_origin.path; + } else { + // No key origin, have to parse the string + if (!ParseHDKeypath(keyMeta.hdKeypath, path)) { + strErr = "Error reading wallet database: keymeta with invalid HD keypath"; + return false; + } + } + + // Extract the index and internal from the path + // Path string is m/0'/k'/i' + // Path vector is [0', k', i'] (but as ints OR'd with the hardened bit + // k == 0 for external, 1 for internal. i is the index + if (path.size() != 3) { + strErr = "Error reading wallet database: keymeta found with unexpected path"; + return false; + } + if (path[0] != 0x80000000) { + strErr = strprintf("Unexpected path index of 0x%08x (expected 0x80000000) for the element at index 0", path[0]); + return false; + } + if (path[1] != 0x80000000 && path[1] != (1 | 0x80000000)) { + strErr = strprintf("Unexpected path index of 0x%08x (expected 0x80000000 or 0x80000001) for the element at index 1", path[1]); + return false; + } + if ((path[2] & 0x80000000) == 0) { + strErr = strprintf("Unexpected path index of 0x%08x (expected to be greater than or equal to 0x80000000)", path[2]); + return false; + } + internal = path[1] == (1 | 0x80000000); + index = path[2] & ~0x80000000; + } + + // Insert a new CHDChain, or get the one that already exists + auto ins = wss.m_hd_chains.emplace(keyMeta.hd_seed_id, CHDChain()); + CHDChain& chain = ins.first->second; + if (ins.second) { + // For new chains, we want to default to VERSION_HD_BASE until we see an internal + chain.nVersion = CHDChain::VERSION_HD_BASE; + chain.seed_id = keyMeta.hd_seed_id; + } + if (internal) { + chain.nVersion = CHDChain::VERSION_HD_CHAIN_SPLIT; + chain.nInternalChainCounter = std::max(chain.nInternalChainCounter, index); + } else { + chain.nExternalChainCounter = std::max(chain.nExternalChainCounter, index); + } + } } else if (strType == DBKeys::WATCHMETA) { CScript script; ssKey >> script; @@ -588,6 +670,13 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, return true; } +bool ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, std::string& strType, std::string& strErr) +{ + CWalletScanState dummy_wss; + LOCK(pwallet->cs_wallet); + return ReadKeyValue(pwallet, ssKey, ssValue, dummy_wss, strType, strErr); +} + bool WalletBatch::IsKeyType(const std::string& strType) { return (strType == DBKeys::KEY || @@ -654,11 +743,7 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet) pwallet->WalletLogPrintf("%s\n", strErr); } pcursor->close(); - } - catch (const boost::thread_interrupted&) { - throw; - } - catch (...) { + } catch (...) { result = DBErrors::CORRUPT; } @@ -735,6 +820,20 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet) result = DBErrors::CORRUPT; } + // Set the inactive chain + if (wss.m_hd_chains.size() > 0) { + LegacyScriptPubKeyMan* legacy_spkm = pwallet->GetLegacyScriptPubKeyMan(); + if (!legacy_spkm) { + pwallet->WalletLogPrintf("Inactive HD Chains found but no Legacy ScriptPubKeyMan\n"); + return DBErrors::CORRUPT; + } + for (const auto& chain_pair : wss.m_hd_chains) { + if (chain_pair.first != pwallet->GetLegacyScriptPubKeyMan()->GetHDChain().seed_id) { + pwallet->GetLegacyScriptPubKeyMan()->AddInactiveHDChain(chain_pair.second); + } + } + } + return result; } @@ -782,11 +881,7 @@ DBErrors WalletBatch::FindWalletTx(std::vector<uint256>& vTxHash, std::list<CWal } } pcursor->close(); - } - catch (const boost::thread_interrupted&) { - throw; - } - catch (...) { + } catch (...) { result = DBErrors::CORRUPT; } @@ -878,53 +973,14 @@ void MaybeCompactWalletDB() fOneThread = false; } -// -// Try to (very carefully!) recover wallet file if there is a problem. -// -bool WalletBatch::Recover(const fs::path& wallet_path, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& out_backup_filename) -{ - return BerkeleyBatch::Recover(wallet_path, callbackDataIn, recoverKVcallback, out_backup_filename); -} - -bool WalletBatch::Recover(const fs::path& wallet_path, std::string& out_backup_filename) -{ - // recover without a key filter callback - // results in recovering all record types - return WalletBatch::Recover(wallet_path, nullptr, nullptr, out_backup_filename); -} - -bool WalletBatch::RecoverKeysOnlyFilter(void *callbackData, CDataStream ssKey, CDataStream ssValue) -{ - CWallet *dummyWallet = reinterpret_cast<CWallet*>(callbackData); - CWalletScanState dummyWss; - std::string strType, strErr; - bool fReadOK; - { - // Required in LoadKeyMetadata(): - LOCK(dummyWallet->cs_wallet); - fReadOK = ReadKeyValue(dummyWallet, ssKey, ssValue, - dummyWss, strType, strErr); - } - if (!IsKeyType(strType) && strType != DBKeys::HDCHAIN) { - return false; - } - if (!fReadOK) - { - LogPrintf("WARNING: WalletBatch::Recover skipping %s: %s\n", strType, strErr); - return false; - } - - return true; -} - bool WalletBatch::VerifyEnvironment(const fs::path& wallet_path, bilingual_str& errorStr) { return BerkeleyBatch::VerifyEnvironment(wallet_path, errorStr); } -bool WalletBatch::VerifyDatabaseFile(const fs::path& wallet_path, std::vector<bilingual_str>& warnings, bilingual_str& errorStr) +bool WalletBatch::VerifyDatabaseFile(const fs::path& wallet_path, bilingual_str& errorStr) { - return BerkeleyBatch::VerifyDatabaseFile(wallet_path, warnings, errorStr, WalletBatch::Recover); + return BerkeleyBatch::VerifyDatabaseFile(wallet_path, errorStr); } bool WalletBatch::WriteDestData(const std::string &address, const std::string &key, const std::string &value) @@ -962,3 +1018,27 @@ bool WalletBatch::TxnAbort() { return m_batch.TxnAbort(); } + +bool IsWalletLoaded(const fs::path& wallet_path) +{ + return IsBDBWalletLoaded(wallet_path); +} + +/** Return object for accessing database at specified path. */ +std::unique_ptr<BerkeleyDatabase> CreateWalletDatabase(const fs::path& path) +{ + std::string filename; + return MakeUnique<BerkeleyDatabase>(GetWalletEnv(path, filename), std::move(filename)); +} + +/** Return object for accessing dummy database with no read/write capabilities. */ +std::unique_ptr<BerkeleyDatabase> CreateDummyWalletDatabase() +{ + return MakeUnique<BerkeleyDatabase>(); +} + +/** Return object for accessing temporary in-memory database. */ +std::unique_ptr<BerkeleyDatabase> CreateMockWalletDatabase() +{ + return MakeUnique<BerkeleyDatabase>(std::make_shared<BerkeleyEnvironment>(), ""); +} |