ported Bitcoin PR 7229 to resolve Issue #16

qa/rpc-tests/wallet.py

@@ -221,7 +221,7 @@ class WalletTest (BitcoinTestFramework):
         for uTx in unspentTxs:
             if uTx['txid'] == zeroValueTxid:
                 found = True
-                assert_equal(uTx['amount'], Decimal('0.00000000'))
+                assert_equal(uTx['amount'], Decimal('0'))
         assert(found)
 
         #do some -walletbroadcast tests

src/wallet/walletdb.cpp

@@ -1233,8 +1233,13 @@ bool CWalletDB::Recover(CDBEnv& dbenv, const std::string& filename, bool fOnlyKe
             CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION);
             CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION);
             string strType, strErr;
-            bool fReadOK = ReadKeyValue(&dummyWallet, ssKey, ssValue,
+            bool fReadOK;
+            {
+                // Required in LoadKeyMetadata():
+                LOCK(dummyWallet.cs_wallet);
+                fReadOK = ReadKeyValue(&dummyWallet, ssKey, ssValue,
                                         wss, strType, strErr);
+            }
             if (!IsKeyType(strType))
                 continue;
             if (!fReadOK)