wallet: remove db mode string

We never need to open database in read-only mode as it's controlled
separately for every batch.

Also we can safely create database if it doesn't exist already
because require_existing option is verified in MakeDatabase
before creating a new WalletDatabase instance.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index eda810ed8a..7f1b86e458 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -204,8 +204,8 @@ private:
     }
 
 public:
-    explicit WalletBatch(WalletDatabase& database, const char* pszMode = "r+", bool _fFlushOnClose = true) :
-        m_batch(database.MakeBatch(pszMode, _fFlushOnClose)),
+    explicit WalletBatch(WalletDatabase &database, bool _fFlushOnClose = true) :
+        m_batch(database.MakeBatch(_fFlushOnClose)),
         m_database(database)
     {
     }