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authorMatt Corallo <matt@bluematt.me>2011-07-08 15:08:27 +0200
committerMatt Corallo <matt@bluematt.me>2011-07-13 02:11:25 +0200
commit96f34cd5c4d76459917b29b15aa9f4b7e2a6cec1 (patch)
tree05b4df22f82dd7123f4cf9f661752cc40d735ed4 /src/wallet.cpp
parent0efda1a79eab6dd2e101edc615c6dd14138c31a2 (diff)
Use DB Transactions when encrypting wallet.
This speeds up the encryption process significantly.
Diffstat (limited to 'src/wallet.cpp')
-rw-r--r--src/wallet.cpp31
1 files changed, 25 insertions, 6 deletions
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 216ddc4034..9f3701a8a7 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -31,7 +31,13 @@ bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector
return false;
if (!fFileBacked)
return true;
- return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret);
+ CRITICAL_BLOCK(cs_pwalletdbEncryption)
+ {
+ if (pwalletdbEncryption)
+ return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret);
+ else
+ return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret);
+ }
}
bool CWallet::Unlock(const string& strWalletPassphrase)
@@ -104,10 +110,10 @@ bool CWallet::ChangeWalletPassphrase(const string& strOldWalletPassphrase, const
bool CWallet::EncryptWallet(const string& strWalletPassphrase)
{
- //TODO: use db commits
CRITICAL_BLOCK(cs_mapPubKeys)
CRITICAL_BLOCK(cs_KeyStore)
CRITICAL_BLOCK(cs_vMasterKey)
+ CRITICAL_BLOCK(cs_pwalletdbEncryption)
{
if (IsCrypted())
return false;
@@ -146,13 +152,26 @@ bool CWallet::EncryptWallet(const string& strWalletPassphrase)
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
if (fFileBacked)
{
- DBFlush(false);
- CWalletDB(strWalletFile).WriteMasterKey(nMasterKeyMaxID, kMasterKey);
- DBFlush(false);
+ pwalletdbEncryption = new CWalletDB(strWalletFile);
+ pwalletdbEncryption->TxnBegin();
+ pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
}
if (!EncryptKeys(vMasterKey))
- exit(1); //We now probably have half of our keys encrypted, and half not...die and let the user ask someone with experience to recover their wallet.
+ {
+ if (fFileBacked)
+ pwalletdbEncryption->TxnAbort();
+ exit(1); //We now probably have half of our keys encrypted in memory, and half not...die and let the user reload their unencrypted wallet.
+ }
+
+ if (fFileBacked)
+ {
+ if (!pwalletdbEncryption->TxnCommit())
+ exit(1); //We now have keys encrypted in memory, but no on disk...die to avoid confusion and let the user reload their unencrypted wallet.
+
+ pwalletdbEncryption->Close();
+ pwalletdbEncryption = NULL;
+ }
Lock();
}