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Prevent RPC 'move' from deadlocking

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It seemed to create two CWalletDB objects that both grab the
database lock.
This commit is contained in:
Pieter Wuille 2012-11-13 23:52:37 +01:00
parent eb49457ff2
commit 4291e8feab
3 changed files with 10 additions and 6 deletions
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4
src/rpcwallet.cpp
View file

@ -573,7 +573,7 @@ Value movecmd(const Array& params, bool fHelp)
// Debit
CAccountingEntry debit;
debit.nOrderPos = pwalletMain->IncOrderPosNext();
debit.nOrderPos = pwalletMain->IncOrderPosNext(&walletdb);
debit.strAccount = strFrom;
debit.nCreditDebit = -nAmount;
debit.nTime = nNow;
@ -583,7 +583,7 @@ Value movecmd(const Array& params, bool fHelp)
// Credit
CAccountingEntry credit;
credit.nOrderPos = pwalletMain->IncOrderPosNext();
credit.nOrderPos = pwalletMain->IncOrderPosNext(&walletdb);
credit.strAccount = strTo;
credit.nCreditDebit = nAmount;
credit.nTime = nNow;

10
src/wallet.cpp
View file

@ -291,10 +291,14 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
return true;
}
int64 CWallet::IncOrderPosNext()
int64 CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
{
int64 nRet = nOrderPosNext;
CWalletDB(strWalletFile).WriteOrderPosNext(++nOrderPosNext);
int64 nRet = nOrderPosNext++;
if (pwalletdb) {
pwalletdb->WriteOrderPosNext(nOrderPosNext);
} else {
CWalletDB(strWalletFile).WriteOrderPosNext(nOrderPosNext);
}
return nRet;
}

2
src/wallet.h
View file

@ -149,7 +149,7 @@ public:
/** Increment the next transaction order id
@return next transaction order id
*/
int64 IncOrderPosNext();
int64 IncOrderPosNext(CWalletDB *pwalletdb = NULL);
typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
typedef std::multimap<int64, TxPair > TxItems;