Fix UpdateContract() (#1915)

neo-project · Sep 9, 2020 · 6561a78 · 6561a78
1 parent 4066a4f
commit 6561a78
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/neo/SmartContract/ApplicationEngine.Contract.cs b/src/neo/SmartContract/ApplicationEngine.Contract.cs
@@ -55,6 +55,8 @@ protected internal ContractState CreateContract(byte[] script, byte[] manifest)
 
         protected internal void UpdateContract(byte[] script, byte[] manifest)
         {
+            if (script is null && manifest is null) throw new ArgumentException();
+
             AddGas(StoragePrice * (script?.Length ?? 0 + manifest?.Length ?? 0));
 
             var contract = Snapshot.Contracts.TryGet(CurrentScriptHash);