Merge pull request #13 from TokenMarketNet/voith-patch-1

change dbsession.commit to dbsession.flush

sto/ethereum/nonce.py

@@ -44,7 +44,7 @@ def restart_nonce(logger: Logger,
     account.current_nonce = tx_count
 
     logger.info("Address %s, nonce is now set to %d", service.address, account.current_nonce)
-    dbsession.commit()
+    dbsession.flush()
 
 
 def next_nonce(logger: Logger,
@@ -62,4 +62,4 @@ def next_nonce(logger: Logger,
     service = EthereumStoredTXService(network, dbsession, web3, ethereum_private_key, ethereum_gas_price, ethereum_gas_limit, BroadcastAccount, PreparedTransaction)
     account = service.get_or_create_broadcast_account()
     ft = pretty_date(account.created_at)
-    logger.info("Address %s, created at %s, nonce is now set to %d", service.address, ft, account.current_nonce)
+    logger.info("Address %s, created at %s, nonce is now set to %d", service.address, ft, account.current_nonce)

sto/ethereum/scanner.py

@@ -286,7 +286,7 @@ def scan(self, start_block, end_block, start_chunk_size=20, progress_callback=Op
             self.update_scan_status(start_block, current_end)
 
             # Update database on the disk
-            self.dbsession.commit()
+            self.dbsession.flush()
 
             # Print progress bar
             if progress_callback:
@@ -300,7 +300,7 @@ def scan(self, start_block, end_block, start_chunk_size=20, progress_callback=Op
 
         # Calculate balances to all accounts that have not seen new total since the last scan
         status.update_denormalised_balances()
-        self.dbsession.commit()  # Write latest balances
+        self.dbsession.flush()  # Write latest balances
 
         result = status.get_raw_balances(mutated_addresses)
         return result

sto/models/tokenscan.py

@@ -58,7 +58,7 @@ class _TokenScanStatus(TimeStampedBaseModel):
     #: All token balances are stored in raw amounts
     decimals = sa.Column(sa.Integer, nullable=False, default=0)
 
-    #: Total supply, as stringified decimal
+    #: Total supply of this token as decimal serialised as string - for DB compatiblity issues
     total_supply = sa.Column(sa.String(256), nullable=True)
 
     def get_accounts(self, include_empty=False) -> Query: