From ddb709e9de1490afcfa1af045517d2228d5b864c Mon Sep 17 00:00:00 2001 From: Luke Dashjr Date: Sat, 1 Sep 2012 22:07:47 +0000 Subject: [PATCH] Bugfix: Require OrderedTxItems to provide properly scoped accounting entry list OrderedTxItems returns a multimap of pointers, but needs a place to store the actual CAccountingEntries it points to. It had been using a stack item, which was clobbered as soon as it returned, resulting in undefined behaviour. This fixes at least bug #1768. --- src/rpcwallet.cpp | 3 ++- src/wallet.cpp | 8 ++++---- src/wallet.h | 7 ++++++- 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/src/rpcwallet.cpp b/src/rpcwallet.cpp index eacb5b3b1a..20df4c0a68 100644 --- a/src/rpcwallet.cpp +++ b/src/rpcwallet.cpp @@ -987,7 +987,8 @@ Value listtransactions(const Array& params, bool fHelp) Array ret; - CWallet::TxItems txOrdered = pwalletMain->OrderedTxItems(strAccount); + std::list acentries; + CWallet::TxItems txOrdered = pwalletMain->OrderedTxItems(acentries, strAccount); // iterate backwards until we have nCount items to return: for (CWallet::TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) diff --git a/src/wallet.cpp b/src/wallet.cpp index 07a5047cef..3af9fdaeae 100644 --- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -291,8 +291,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) return true; } -CWallet::TxItems -CWallet::OrderedTxItems(std::string strAccount) +CWallet::TxItems CWallet::OrderedTxItems(std::list& acentries, std::string strAccount) { CWalletDB walletdb(strWalletFile); @@ -306,7 +305,7 @@ CWallet::OrderedTxItems(std::string strAccount) CWalletTx* wtx = &((*it).second); txOrdered.insert(make_pair(wtx->nOrderPos, TxPair(wtx, (CAccountingEntry*)0))); } - list acentries; + acentries.clear(); walletdb.ListAccountCreditDebit(strAccount, acentries); BOOST_FOREACH(CAccountingEntry& entry, acentries) { @@ -375,7 +374,8 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn) { // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future int64 latestTolerated = latestNow + 300; - TxItems txOrdered = OrderedTxItems(); + std::list acentries; + TxItems txOrdered = OrderedTxItems(acentries); for (TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) { CWalletTx *const pwtx = (*it).second.first; diff --git a/src/wallet.h b/src/wallet.h index 9103aa675e..65d3448212 100644 --- a/src/wallet.h +++ b/src/wallet.h @@ -146,7 +146,12 @@ public: typedef std::pair TxPair; typedef std::multimap TxItems; - TxItems OrderedTxItems(std::string strAccount = ""); + + /** Get the wallet's activity log + @return multimap of ordered transactions and accounting entries + @warning Returned pointers are *only* valid within the scope of passed acentries + */ + TxItems OrderedTxItems(std::list& acentries, std::string strAccount = ""); void MarkDirty(); bool AddToWallet(const CWalletTx& wtxIn);