diff options
Diffstat (limited to 'src/wallet.cpp')
-rw-r--r-- | src/wallet.cpp | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/src/wallet.cpp b/src/wallet.cpp index 30a561dcb4..28babdb3e2 100644 --- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -39,9 +39,10 @@ bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector else return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret); } + return false; } -bool CWallet::Unlock(const string& strWalletPassphrase) +bool CWallet::Unlock(const SecureString& strWalletPassphrase) { if (!IsLocked()) return false; @@ -62,7 +63,7 @@ bool CWallet::Unlock(const string& strWalletPassphrase) return false; } -bool CWallet::ChangeWalletPassphrase(const string& strOldWalletPassphrase, const string& strNewWalletPassphrase) +bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase) { bool fWasLocked = IsLocked(); @@ -121,7 +122,7 @@ public: ) }; -bool CWallet::EncryptWallet(const string& strWalletPassphrase) +bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) { if (IsCrypted()) return false; @@ -186,6 +187,13 @@ bool CWallet::EncryptWallet(const string& strWalletPassphrase) } Lock(); + Unlock(strWalletPassphrase); + NewKeyPool(); + Lock(); + + // Need to completely rewrite the wallet file; if we don't, bdb might keep + // bits of the unencrypted private key in slack space in the database file. + CDB::Rewrite(strWalletFile); } return true; @@ -288,6 +296,9 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn) return true; } +// Add a transaction to the wallet, or update it. +// pblock is optional, but should be provided if the transaction is known to be in a block. +// If fUpdate is true, existing transactions will be updated. bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate) { uint256 hash = tx.GetHash(); @@ -550,6 +561,9 @@ bool CWalletTx::WriteToDisk() return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this); } +// Scan the block chain (starting in pindexStart) for transactions +// from or to us. If fUpdate is true, found transactions that already +// exist in the wallet will be updated. int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate) { int ret = 0; @@ -1135,6 +1149,18 @@ int CWallet::LoadWallet(bool& fFirstRunRet) return false; fFirstRunRet = false; int nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this); + if (nLoadWalletRet == DB_NEED_REWRITE) + { + if (CDB::Rewrite(strWalletFile, "\x04pool")) + { + setKeyPool.clear(); + // Note: can't top-up keypool here, because wallet is locked. + // User will be prompted to unlock wallet the next operation + // the requires a new key. + } + nLoadWalletRet = DB_NEED_REWRITE; + } + if (nLoadWalletRet != DB_LOAD_OK) return nLoadWalletRet; fFirstRunRet = vchDefaultKey.empty(); @@ -1220,6 +1246,34 @@ bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut) return true; } +// +// Mark old keypool keys as used, +// and generate all new keys +// +bool CWallet::NewKeyPool() +{ + CRITICAL_BLOCK(cs_wallet) + { + CWalletDB walletdb(strWalletFile); + BOOST_FOREACH(int64 nIndex, setKeyPool) + walletdb.ErasePool(nIndex); + setKeyPool.clear(); + + if (IsLocked()) + return false; + + int64 nKeys = max(GetArg("-keypool", 100), (int64)0); + for (int i = 0; i < nKeys; i++) + { + int64 nIndex = i+1; + walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey())); + setKeyPool.insert(nIndex); + } + printf("CWallet::NewKeyPool wrote %"PRI64d" new keys\n", nKeys); + } + return true; +} + bool CWallet::TopUpKeyPool() { CRITICAL_BLOCK(cs_wallet) |