fix: Added the web3_clientVersion to the websocket server.

packages/ws-server/src/controllers/index.ts

@@ -56,7 +56,12 @@ const handleSendingRequestsToRelay = async ({
 
   try {
     const resolvedParams = resolveParams(method, params);
-    const txRes = await relay.eth()[method.split('_')[1]](...resolvedParams, requestIdPrefix);
+    const [service, methodName] = method.split('_');
+
+    // Call the relay method with the resolved parameters.
+    // Method will be validated by "verifySupportedMethod" before reaching this point.
+    const txRes = await relay[service]()[methodName](...resolvedParams, requestIdPrefix);
+
     if (!txRes) {
       logger.trace(
         `${connectionIdPrefix} ${requestIdPrefix}: Fail to retrieve result for request=${JSON.stringify(

packages/ws-server/src/utils/constants.ts

@@ -107,5 +107,6 @@ export const WS_CONSTANTS = {
     ETH_GETTRANSACTIONBYHASH: 'eth_getTransactionByHash',
     ETH_GETTRANSACTIONRECEIPT: 'eth_getTransactionReceipt',
     ETH_MAXPRIORITYFEEPERGAS: 'eth_maxPriorityFeePerGas',
+    WEB3_CLIENTVERSION: 'web3_clientVersion',
   },
 };

packages/ws-server/tests/acceptance/web3ClientVersion.spec.ts

@@ -0,0 +1,45 @@
+/*-
+ *
+ * Hedera JSON RPC Relay
+ *
+ * Copyright (C) 2024 Hedera Hashgraph, LLC
+ *
+ * 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.
+ *
+ */
+
+// external resources
+import { expect } from 'chai';
+import { WsTestHelper } from '../helper';
+import { Utils } from '@hashgraph/json-rpc-server/tests/helpers/utils';
+
+describe('@web-socket-batch-2 web3_clientVersion', async function () {
+  const METHOD_NAME = 'web3_clientVersion';
+
+  let requestId: string;
+
+  // @ts-ignore
+  const { relay } = global;
+
+  before(async () => {
+    requestId = Utils.generateRequestId();
+  });
+
+  it(`Should execute web3_clientVersion on Standard Web Socket and handle valid requests correctly`, async () => {
+    const response = await WsTestHelper.sendRequestToStandardWebSocket(METHOD_NAME, []);
+    expect(response.result).to.exist;
+    expect(response.result).to.be.a('string');
+    const clientVersion = await relay.call('web3_clientVersion', [], requestId);
+    expect(response.result).to.equal(clientVersion);
+  });
+});