[PAN-2343] smart contract permission controller stub (#1074)

* [PAN-2343] stub for smart contract permission controller

* spotless

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

ethereum/permissioning/src/main/java/tech/pegasys/pantheon/ethereum/permissioning/SmartContractPermissioningController.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package tech.pegasys.pantheon.ethereum.permissioning;
+
+import tech.pegasys.pantheon.ethereum.core.Address;
+import tech.pegasys.pantheon.ethereum.permissioning.node.NodePermissioningProvider;
+import tech.pegasys.pantheon.ethereum.transaction.TransactionSimulator;
+import tech.pegasys.pantheon.util.enode.EnodeURL;
+
+public class SmartContractPermissioningController implements NodePermissioningProvider {
+
+  private final Address contractAddress;
+  private final TransactionSimulator transactionSimulator;
+
+  public SmartContractPermissioningController(
+      final Address contractAddress, final TransactionSimulator transactionSimulator) {
+    this.contractAddress = contractAddress;
+    this.transactionSimulator = transactionSimulator;
+  }
+
+  @Override
+  public boolean isPermitted(final EnodeURL sourceEnode, final EnodeURL destinationEnode) {
+    return true;
+  }
+}