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Refactor ZapWalletTxes to avoid layer vialotions

This commit is contained in:
Jonas Schnelli 2016-11-12 10:53:18 +01:00
parent 71148b8947
commit 0165a56f20
No known key found for this signature in database
GPG Key ID: 29D4BCB6416F53EC
3 changed files with 16 additions and 15 deletions
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11
src/wallet/wallet.cpp
View File

@ -2846,12 +2846,16 @@ DBErrors CWallet::ZapSelectTx(vector<uint256>& vHashIn, vector<uint256>& vHashOu
{ {
if (!fFileBacked) if (!fFileBacked)
return DB_LOAD_OK; return DB_LOAD_OK;
DBErrors nZapSelectTxRet = CWalletDB(strWalletFile,"cr+").ZapSelectTx(this, vHashIn, vHashOut); AssertLockHeld(cs_wallet); // mapWallet
vchDefaultKey = CPubKey();
DBErrors nZapSelectTxRet = CWalletDB(strWalletFile,"cr+").ZapSelectTx(vHashIn, vHashOut);
for (uint256 hash : vHashOut)
mapWallet.erase(hash);
if (nZapSelectTxRet == DB_NEED_REWRITE) if (nZapSelectTxRet == DB_NEED_REWRITE)
{ {
if (CDB::Rewrite(strWalletFile, "\x04pool")) if (CDB::Rewrite(strWalletFile, "\x04pool"))
{ {
LOCK(cs_wallet);
setKeyPool.clear(); setKeyPool.clear();
// Note: can't top-up keypool here, because wallet is locked. // Note: can't top-up keypool here, because wallet is locked.
// User will be prompted to unlock wallet the next operation // User will be prompted to unlock wallet the next operation
@ -2872,7 +2876,8 @@ DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
{ {
if (!fFileBacked) if (!fFileBacked)
return DB_LOAD_OK; return DB_LOAD_OK;
DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(this, vWtx); vchDefaultKey = CPubKey();
DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(vWtx);
if (nZapWalletTxRet == DB_NEED_REWRITE) if (nZapWalletTxRet == DB_NEED_REWRITE)
{ {
if (CDB::Rewrite(strWalletFile, "\x04pool")) if (CDB::Rewrite(strWalletFile, "\x04pool"))

14
src/wallet/walletdb.cpp
View File

@ -646,20 +646,17 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
return result; return result;
} }
DBErrors CWalletDB::FindWalletTx(CWallet* pwallet, vector<uint256>& vTxHash, vector<CWalletTx>& vWtx) DBErrors CWalletDB::FindWalletTx(vector<uint256>& vTxHash, vector<CWalletTx>& vWtx)
{ {
pwallet->vchDefaultKey = CPubKey();
bool fNoncriticalErrors = false; bool fNoncriticalErrors = false;
DBErrors result = DB_LOAD_OK; DBErrors result = DB_LOAD_OK;
try { try {
LOCK(pwallet->cs_wallet);
int nMinVersion = 0; int nMinVersion = 0;
if (Read((string)"minversion", nMinVersion)) if (Read((string)"minversion", nMinVersion))
{ {
if (nMinVersion > CLIENT_VERSION) if (nMinVersion > CLIENT_VERSION)
return DB_TOO_NEW; return DB_TOO_NEW;
pwallet->LoadMinVersion(nMinVersion);
} }
// Get cursor // Get cursor
@ -712,12 +709,12 @@ DBErrors CWalletDB::FindWalletTx(CWallet* pwallet, vector<uint256>& vTxHash, vec
return result; return result;
} }
DBErrors CWalletDB::ZapSelectTx(CWallet* pwallet, vector<uint256>& vTxHashIn, vector<uint256>& vTxHashOut) DBErrors CWalletDB::ZapSelectTx(vector<uint256>& vTxHashIn, vector<uint256>& vTxHashOut)
{ {
// build list of wallet TXs and hashes // build list of wallet TXs and hashes
vector<uint256> vTxHash; vector<uint256> vTxHash;
vector<CWalletTx> vWtx; vector<CWalletTx> vWtx;
DBErrors err = FindWalletTx(pwallet, vTxHash, vWtx); DBErrors err = FindWalletTx(vTxHash, vWtx);
if (err != DB_LOAD_OK) { if (err != DB_LOAD_OK) {
return err; return err;
} }
@ -736,7 +733,6 @@ DBErrors CWalletDB::ZapSelectTx(CWallet* pwallet, vector<uint256>& vTxHashIn, ve
break; break;
} }
else if ((*it) == hash) { else if ((*it) == hash) {
pwallet->mapWallet.erase(hash);
if(!EraseTx(hash)) { if(!EraseTx(hash)) {
LogPrint("db", "Transaction was found for deletion but returned database error: %s\n", hash.GetHex()); LogPrint("db", "Transaction was found for deletion but returned database error: %s\n", hash.GetHex());
delerror = true; delerror = true;
@ -751,11 +747,11 @@ DBErrors CWalletDB::ZapSelectTx(CWallet* pwallet, vector<uint256>& vTxHashIn, ve
return DB_LOAD_OK; return DB_LOAD_OK;
} }
DBErrors CWalletDB::ZapWalletTx(CWallet* pwallet, vector<CWalletTx>& vWtx) DBErrors CWalletDB::ZapWalletTx(vector<CWalletTx>& vWtx)
{ {
// build list of wallet TXs // build list of wallet TXs
vector<uint256> vTxHash; vector<uint256> vTxHash;
DBErrors err = FindWalletTx(pwallet, vTxHash, vWtx); DBErrors err = FindWalletTx(vTxHash, vWtx);
if (err != DB_LOAD_OK) if (err != DB_LOAD_OK)
return err; return err;

6
src/wallet/walletdb.h
View File

@ -167,9 +167,9 @@ public:
void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries); void ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& acentries);
DBErrors LoadWallet(CWallet* pwallet); DBErrors LoadWallet(CWallet* pwallet);
DBErrors FindWalletTx(CWallet* pwallet, std::vector<uint256>& vTxHash, std::vector<CWalletTx>& vWtx); DBErrors FindWalletTx(std::vector<uint256>& vTxHash, std::vector<CWalletTx>& vWtx);
DBErrors ZapWalletTx(CWallet* pwallet, std::vector<CWalletTx>& vWtx); DBErrors ZapWalletTx(std::vector<CWalletTx>& vWtx);
DBErrors ZapSelectTx(CWallet* pwallet, std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut); DBErrors ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut);
static bool Recover(CDBEnv& dbenv, const std::string& filename, bool fOnlyKeys); static bool Recover(CDBEnv& dbenv, const std::string& filename, bool fOnlyKeys);
static bool Recover(CDBEnv& dbenv, const std::string& filename); static bool Recover(CDBEnv& dbenv, const std::string& filename);