Optimisation: Store transaction list order in memory rather than compute it every need

Huge performance improvement (450%) for zapwallettxes

1 files changed, 7 insertions, 1 deletions

diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index ea8a4eb043..9ce9f53bd9 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -191,7 +191,7 @@ bool CWalletDB::WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccount
     return Write(std::make_pair(std::string("acentry"), std::make_pair(acentry.strAccount, nAccEntryNum)), acentry);
 }
 
-bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
+bool CWalletDB::WriteAccountingEntry_Backend(const CAccountingEntry& acentry)
 {
     return WriteAccountingEntry(++nAccountingEntryNumber, acentry);
 }
@@ -709,6 +709,12 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
     if (wss.fAnyUnordered)
         result = ReorderTransactions(pwallet);
 
+    pwallet->laccentries.clear();
+    ListAccountCreditDebit("*", pwallet->laccentries);
+    BOOST_FOREACH(CAccountingEntry& entry, pwallet->laccentries) {
+        pwallet->wtxOrdered.insert(make_pair(entry.nOrderPos, CWallet::TxPair((CWalletTx*)0, &entry)));
+    }
+
     return result;
 }