Add basic test for logs. Add launch configuration for debugging e2e t…

…ests

.vscode/launch.json

@@ -45,5 +45,16 @@
             "preLaunchTask": "rebuild-contracts",
             "cwd": "${workspaceFolder}"
         },
+        {
+            "name": "E2E Tests",
+            "type": "node",
+            "request": "launch",
+            "console": "integratedTerminal",
+            "cwd": "${workspaceFolder}/e2e-tests",
+            "runtimeExecutable": "yarn",
+            "runtimeArgs": [
+                "test"
+            ]
+        },
     ]
 }

e2e-tests/test/evm-apis.test.ts

@@ -21,6 +21,7 @@ xdescribe("evm_mine", function () {
   });
 });
 
+// TODO: Investigate why this fails on new node with no transactions
 describe("evm_increaseTime", function () {
   it("Should increase current timestamp of the node", async function () {
     // Arrange

e2e-tests/test/main.test.ts

@@ -9,6 +9,7 @@ import {
   expectThrowsAsync,
   getTestProvider,
 } from "../helpers/utils";
+import { TransactionReceipt } from "zksync-web3/build/src/types";
 
 const provider = getTestProvider();
 
@@ -53,18 +54,23 @@ describe("Greeter Smart Contract", function () {
   });
 
   it("Should produce event logs", async function () {
-    // TODO: Figure out a test for this
     const wallet = new Wallet(RichAccounts[0].PrivateKey);
     const deployer = new Deployer(hre, wallet);
 
     const greeter = await deployContract(deployer, "Greeter", ["Hi"]);
 
     expect(await greeter.greet()).to.eq("Hi");
 
-    const setGreetingTx = await greeter.setGreeting("Hola, mundo!");
-    // wait until the transaction is mined
-    await setGreetingTx.wait();
-
-    expect(await greeter.greet()).to.equal("Hola, mundo!");
+    const setGreetingTx = await greeter.setGreeting("Luke Skywalker");
+    const receipt: TransactionReceipt = await setGreetingTx.wait();
+
+    // Validate log is created
+    expect(receipt.logs.length).to.greaterThanOrEqual(1);
+    const setGreetingLog = receipt.logs[1];
+    expect(setGreetingLog.address).to.equal(greeter.address);
+    const normalizedSetGreetingLogData = ethers.utils.toUtf8String(setGreetingLog.data)
+      .replaceAll("\u0000", "")
+      .replace(" +", "");
+    expect(normalizedSetGreetingLogData).to.equal("Greeting is being updated to Luke Skywalker");
   });
 });