Sign the transaction in the InvokeContractVerify method

src/RpcServer/RpcServer.SmartContract.cs

@@ -107,57 +107,6 @@ private static Signers SignersFromJson(JArray _params)
             return ret;
         }
 
-        private JObject GetVerificationResult(UInt160 scriptHash, ContractParameter[] args, Signers signers = null)
-        {
-            var snapshot = Blockchain.Singleton.GetSnapshot();
-            var contract = NativeContract.ContractManagement.GetContract(snapshot, scriptHash);
-            if (contract is null)
-            {
-                throw new RpcException(-100, "Unknown contract");
-            }
-            var methodName = "verify";
-
-            Transaction tx = signers == null ? null : new Transaction
-            {
-                Signers = signers.GetSigners(),
-                Attributes = Array.Empty<TransactionAttribute>(),
-                Witnesses = signers.Witnesses,
-            };
-
-            using ApplicationEngine engine = ApplicationEngine.Create(TriggerType.Verification, tx, snapshot.Clone());
-            engine.LoadContract(contract, methodName, CallFlags.None, true, 0);
-
-            engine.LoadScript(new ScriptBuilder().EmitDynamicCall(scriptHash, methodName, true, args).ToArray());
-
-            JObject json = new JObject();
-            json["script"] = Convert.ToBase64String(contract.Script);
-            json["state"] = engine.Execute();
-            json["gasconsumed"] = new BigDecimal(engine.GasConsumed, NativeContract.GAS.Decimals).ToString();
-            json["exception"] = GetExceptionMessage(engine.FaultException);
-            try
-            {
-                json["stack"] = new JArray(engine.ResultStack.Select(p => p.ToJson()));
-            }
-            catch (InvalidOperationException)
-            {
-                json["stack"] = "error: recursive reference";
-            }
-            if (engine.State != VMState.FAULT)
-            {
-                ProcessInvokeWithWallet(json);
-            }
-            return json;
-        }
-
-        [RpcMethod]
-        protected virtual JObject InvokeContractVerify(JArray _params)
-        {
-            UInt160 script_hash = UInt160.Parse(_params[0].AsString());
-            ContractParameter[] args = _params.Count >= 2 ? ((JArray)_params[1]).Select(p => ContractParameter.FromJson(p)).ToArray() : new ContractParameter[0];
-            Signers signers = _params.Count >= 3 ? SignersFromJson((JArray)_params[2]) : null;
-            return GetVerificationResult(script_hash, args, signers);
-        }
-
         [RpcMethod]
         protected virtual JObject InvokeFunction(JArray _params)
         {

src/RpcServer/RpcServer.Wallet.cs

@@ -9,6 +9,7 @@
 using Neo.Persistence;
 using Neo.SmartContract;
 using Neo.SmartContract.Native;
+using Neo.VM;
 using Neo.Wallets;
 using Neo.Wallets.NEP6;
 using Neo.Wallets.SQLite;
@@ -324,6 +325,56 @@ protected virtual JObject SendToAddress(JArray _params)
             return SignAndRelay(tx);
         }
 
+        [RpcMethod]
+        protected virtual JObject InvokeContractVerify(JArray _params)
+        {
+            CheckWallet();
+            UInt160 script_hash = UInt160.Parse(_params[0].AsString());
+            ContractParameter[] args = _params.Count >= 2 ? ((JArray)_params[1]).Select(p => ContractParameter.FromJson(p)).ToArray() : new ContractParameter[0];
+            Signers signers = _params.Count >= 3 ? SignersFromJson((JArray)_params[2]) : null;
+            return GetVerificationResult(script_hash, args, signers);
+        }
+
+        private JObject GetVerificationResult(UInt160 scriptHash, ContractParameter[] args, Signers signers = null)
+        {
+            var snapshot = Blockchain.Singleton.GetSnapshot();
+            var contract = NativeContract.ContractManagement.GetContract(snapshot, scriptHash);
+            if (contract is null)
+            {
+                throw new RpcException(-100, "Unknown contract");
+            }
+            var methodName = "verify";
+
+            Transaction tx = signers == null ? null : new Transaction
+            {
+                Signers = signers.GetSigners(),
+                Attributes = Array.Empty<TransactionAttribute>()
+            };
+            ContractParametersContext context = new ContractParametersContext(tx);
+            wallet.Sign(context);
+            tx.Witnesses = context.Completed ? context.GetWitnesses() : null;
+
+            using ApplicationEngine engine = ApplicationEngine.Create(TriggerType.Verification, tx, snapshot.Clone());
+            engine.LoadContract(contract, methodName, CallFlags.None, true, args.length);
+
+            engine.LoadScript(new ScriptBuilder().EmitDynamicCall(scriptHash, methodName, true, args).ToArray(), (ushort)args.Length, 1);
+
+            JObject json = new JObject();
+            json["script"] = Convert.ToBase64String(contract.Script);
+            json["state"] = engine.Execute();
+            json["gasconsumed"] = new BigDecimal(engine.GasConsumed, NativeContract.GAS.Decimals).ToString();
+            json["exception"] = GetExceptionMessage(engine.FaultException);
+            try
+            {
+                json["stack"] = new JArray(engine.ResultStack.Select(p => p.ToJson()));
+            }
+            catch (InvalidOperationException)
+            {
+                json["stack"] = "error: recursive reference";
+            }
+            return json;
+        }
+
         private JObject SignAndRelay(Transaction tx)
         {
             ContractParametersContext context = new ContractParametersContext(tx);