Merge pull request #7120 from NomicFoundation/test_hangs_on_fork_mode

Set proper fromBlock value to avoid tests hanging on fork mode

Author: kanej

.changeset/brave-falcons-reply.md

@@ -0,0 +1,5 @@
+---
+"hardhat": patch
+---
+
+Fix example tests hanging when running on fork mode ([#6967](https://github.com/NomicFoundation/hardhat/pull/7120))

v-next/hardhat/templates/hardhat-3/01-node-test-runner-viem/test/Counter.ts

@@ -72,6 +72,7 @@ describe("Counter", async function () {
 
   it("The sum of the Increment events should match the current value", async function () {
     const counter = await viem.deployContract("Counter");
+    const deploymentBlockNumber = await publicClient.getBlockNumber();
 
     // run a series of increments
     for (let i = 1n; i <= 10n; i++) {
@@ -82,7 +83,7 @@ describe("Counter", async function () {
       address: counter.address,
       abi: counter.abi,
       eventName: "Increment",
-      fromBlock: 0n,
+      fromBlock: deploymentBlockNumber,
       strict: true,
     });
 

v-next/hardhat/templates/hardhat-3/02-mocha-ethers/test/Counter.ts

@@ -53,6 +53,7 @@ describe("Counter", function () {
 
   it("The sum of the Increment events should match the current value", async function () {
     const counter = await ethers.deployContract("Counter");
+    const deploymentBlockNumber = await ethers.provider.getBlockNumber();
 
     // run a series of increments
     for (let i = 1; i <= 10; i++) {
@@ -61,7 +62,7 @@ describe("Counter", function () {
 
     const events = await counter.queryFilter(
       counter.filters.Increment(),
-      0,
+      deploymentBlockNumber,
       "latest",
     );