chore: do not send hardhat_setLedgerOutputEnabled over http

Author: galargh

.changeset/shaggy-bags-work.md

@@ -0,0 +1,5 @@
+---
+"hardhat": patch
+---
+
+Do not send `http_setLedgerOutputEnabled` messages if they reacht the HTTP Provider to prevent unwanted warnings in the local hardhat node logs

packages/hardhat-core/src/internal/core/providers/http.ts

@@ -86,6 +86,15 @@ export class HttpProvider extends EventEmitter implements EIP1193Provider {
   }
 
   public async request(args: RequestArguments): Promise<unknown> {
+    if (args.method === "hardhat_setLedgerOutputEnabled") {
+      const error = new ProviderError(
+        "hardhat_setLedgerOutputEnabled - Method not supported",
+        -32004
+      );
+      // eslint-disable-next-line @nomicfoundation/hardhat-internal-rules/only-hardhat-error
+      throw error;
+    }
+
     const jsonRpcRequest = this._getJsonRpcRequest(
       args.method,
       args.params as any[]

packages/hardhat-core/test/internal/core/providers/http.ts

@@ -1,10 +1,11 @@
-import { assert } from "chai";
+import { assert, expect } from "chai";
 import { MockAgent, MockPool } from "undici";
 
 import { HttpProvider } from "../../../../src/internal/core/providers/http";
 import { ERRORS } from "../../../../src/internal/core/errors-list";
 import { SuccessfulJsonRpcResponse } from "../../../../src/internal/util/jsonrpc";
 import { expectHardhatError } from "../../../helpers/errors";
+import { ProviderError } from "../../../../src/internal/core/providers/errors";
 
 const TOO_MANY_REQUEST_STATUS = 429;
 
@@ -93,5 +94,19 @@ describe("HttpProvider", function () {
       assert.equal(result, successResponse.result);
       assert(tooManyRequestsReturned);
     });
+
+    it("should throw an error if it receives hardhat_setLedgerOutputEnabled as a method", async function () {
+      const mockPool = makeMockPool(url);
+      mockPool
+        .intercept({ method: "POST", path: "/" })
+        .reply(200, successResponse);
+      const provider = new HttpProvider(url, networkName, {}, 20000, mockPool);
+      await expect(
+        provider.request({ method: "hardhat_setLedgerOutputEnabled" })
+      ).to.be.eventually.rejectedWith(
+        ProviderError,
+        "hardhat_setLedgerOutputEnabled - Method not supported"
+      );
+    });
   });
 });