Merge bitcoin#8028: Fix insanity of CWalletDB::WriteTx and CWalletTx::WriteToDisk

0fd5997 Fix insanity of CWalletDB::WriteTx and CWalletTx::WriteToDisk (Patrick Strateman)

Author: laanwj

src/wallet/wallet.cpp

@@ -730,7 +730,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFromLoadWallet, CWalletD
 
         // Write to disk
         if (fInsertedNew || fUpdated)
-            if (!wtx.WriteToDisk(pwalletdb))
+            if (!pwalletdb->WriteTx(wtx))
                 return false;
 
         // Break debit/credit balance caches:
@@ -830,7 +830,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
             wtx.nIndex = -1;
             wtx.setAbandoned();
             wtx.MarkDirty();
-            wtx.WriteToDisk(&walletdb);
+            walletdb.WriteTx(wtx);
             NotifyTransactionChanged(this, wtx.GetHash(), CT_UPDATED);
             // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too
             TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(hashTx, 0));
@@ -892,7 +892,7 @@ void CWallet::MarkConflicted(const uint256& hashBlock, const uint256& hashTx)
             wtx.nIndex = -1;
             wtx.hashBlock = hashBlock;
             wtx.MarkDirty();
-            wtx.WriteToDisk(&walletdb);
+            walletdb.WriteTx(wtx);
             // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too
             TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
             while (iter != mapTxSpends.end() && iter->first.hash == now) {
@@ -1187,12 +1187,6 @@ void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
     }
 }
 
-
-bool CWalletTx::WriteToDisk(CWalletDB *pwalletdb)
-{
-    return pwalletdb->WriteTx(GetHash(), *this);
-}
-
 /**
  * Scan the block chain (starting in pindexStart) for transactions
  * from or to us. If fUpdate is true, found transactions that already
@@ -3195,7 +3189,7 @@ bool CWallet::InitLoadWallet()
                     copyTo->fFromMe = copyFrom->fFromMe;
                     copyTo->strFromAccount = copyFrom->strFromAccount;
                     copyTo->nOrderPos = copyFrom->nOrderPos;
-                    copyTo->WriteToDisk(&walletdb);
+                    walletdb.WriteTx(*copyTo);
                 }
             }
         }

src/wallet/wallet.h

@@ -394,8 +394,6 @@ class CWalletTx : public CMerkleTx
     bool InMempool() const;
     bool IsTrusted() const;
 
-    bool WriteToDisk(CWalletDB *pwalletdb);
-
     int64_t GetTxTime() const;
     int GetRequestCount() const;
 

src/wallet/walletdb.cpp

@@ -55,10 +55,10 @@ bool CWalletDB::ErasePurpose(const string& strPurpose)
     return Erase(make_pair(string("purpose"), strPurpose));
 }
 
-bool CWalletDB::WriteTx(uint256 hash, const CWalletTx& wtx)
+bool CWalletDB::WriteTx(const CWalletTx& wtx)
 {
     nWalletDBUpdated++;
-    return Write(std::make_pair(std::string("tx"), hash), wtx);
+    return Write(std::make_pair(std::string("tx"), wtx.GetHash()), wtx);
 }
 
 bool CWalletDB::EraseTx(uint256 hash)
@@ -291,7 +291,7 @@ DBErrors CWalletDB::ReorderTransactions(CWallet* pwallet)
 
             if (pwtx)
             {
-                if (!WriteTx(pwtx->GetHash(), *pwtx))
+                if (!WriteTx(*pwtx))
                     return DB_LOAD_FAIL;
             }
             else
@@ -315,7 +315,7 @@ DBErrors CWalletDB::ReorderTransactions(CWallet* pwallet)
             // Since we're changing the order, write it back
             if (pwtx)
             {
-                if (!WriteTx(pwtx->GetHash(), *pwtx))
+                if (!WriteTx(*pwtx))
                     return DB_LOAD_FAIL;
             }
             else
@@ -698,7 +698,7 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
         pwallet->nTimeFirstKey = 1; // 0 would be considered 'no value'
 
     BOOST_FOREACH(uint256 hash, wss.vWalletUpgrade)
-        WriteTx(hash, pwallet->mapWallet[hash]);
+        WriteTx(pwallet->mapWallet[hash]);
 
     // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
     if (wss.fIsEncrypted && (wss.nFileVersion == 40000 || wss.nFileVersion == 50000))

src/wallet/walletdb.h

@@ -87,7 +87,7 @@ class CWalletDB : public CDB
     bool WritePurpose(const std::string& strAddress, const std::string& purpose);
     bool ErasePurpose(const std::string& strAddress);
 
-    bool WriteTx(uint256 hash, const CWalletTx& wtx);
+    bool WriteTx(const CWalletTx& wtx);
     bool EraseTx(uint256 hash);
 
     bool WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata &keyMeta);