From b1ee826ae5201126dcb4a37ce8df3f3c72ff3b16 Mon Sep 17 00:00:00 2001
From: cgewecke <christophergewecke@gmail.com>
Date: Fri, 2 Feb 2024 16:49:19 -0800
Subject: [PATCH] Add test for transaction price errors with hardhat_mine
 (#845)

---
 test/integration/standard.js                  | 16 ++++++++++++++
 .../projects/hardhat-mine/.solcover.js        |  7 ++++++
 .../hardhat-mine/contracts/Setter.sol         | 12 ++++++++++
 .../projects/hardhat-mine/hardhat.config.js   | 10 +++++++++
 .../projects/hardhat-mine/test/testMine.js    | 22 +++++++++++++++++++
 5 files changed, 67 insertions(+)
 create mode 100644 test/sources/projects/hardhat-mine/.solcover.js
 create mode 100644 test/sources/projects/hardhat-mine/contracts/Setter.sol
 create mode 100644 test/sources/projects/hardhat-mine/hardhat.config.js
 create mode 100644 test/sources/projects/hardhat-mine/test/testMine.js

diff --git a/test/integration/standard.js b/test/integration/standard.js
index 9f700d7..3f9d568 100644
--- a/test/integration/standard.js
+++ b/test/integration/standard.js
@@ -304,6 +304,22 @@ describe('Hardhat Plugin: standard use cases', function() {
     verify.lineCoverage(expected);
   })
 
+  it('can use hardhat_mine without erroring', async function(){
+    mock.installFullProject('hardhat-mine');
+    mock.hardhatSetupEnv(this);
+
+    await this.env.run("coverage");
+
+    const expected = [
+      {
+        file: mock.pathToContract(hardhatConfig, 'Setter.sol'),
+        pct: 100
+      }
+    ];
+
+    verify.lineCoverage(expected);
+  })
+
   // This test freezes when gas-reporter is not disabled
   it('disables hardhat-gas-reporter', async function() {
     mock.installFullProject('hardhat-gas-reporter');
diff --git a/test/sources/projects/hardhat-mine/.solcover.js b/test/sources/projects/hardhat-mine/.solcover.js
new file mode 100644
index 0000000..d9d3f31
--- /dev/null
+++ b/test/sources/projects/hardhat-mine/.solcover.js
@@ -0,0 +1,7 @@
+// Testing hooks
+const fn = (msg, config) => config.logger.log(msg);
+
+module.exports = {
+  silent: process.env.SILENT ? true : false,
+  istanbulReporter: ['json-summary', 'text'],
+}
diff --git a/test/sources/projects/hardhat-mine/contracts/Setter.sol b/test/sources/projects/hardhat-mine/contracts/Setter.sol
new file mode 100644
index 0000000..4ab3f6c
--- /dev/null
+++ b/test/sources/projects/hardhat-mine/contracts/Setter.sol
@@ -0,0 +1,12 @@
+pragma solidity >=0.8.0 <0.9.0;
+
+
+contract Setter {
+  uint x;
+  constructor() public {
+  }
+
+  function set() public {
+    x = 1;
+  }
+}
diff --git a/test/sources/projects/hardhat-mine/hardhat.config.js b/test/sources/projects/hardhat-mine/hardhat.config.js
new file mode 100644
index 0000000..803b099
--- /dev/null
+++ b/test/sources/projects/hardhat-mine/hardhat.config.js
@@ -0,0 +1,10 @@
+require("@nomiclabs/hardhat-waffle");
+require("@nomiclabs/hardhat-ethers");
+require(__dirname + "/../plugins/nomiclabs.plugin");
+
+module.exports = {
+  solidity: {
+    version: "0.8.17"
+  },
+  logger: process.env.SILENT ? { log: () => {} } : console,
+};
diff --git a/test/sources/projects/hardhat-mine/test/testMine.js b/test/sources/projects/hardhat-mine/test/testMine.js
new file mode 100644
index 0000000..e21fe9d
--- /dev/null
+++ b/test/sources/projects/hardhat-mine/test/testMine.js
@@ -0,0 +1,22 @@
+const { expect } = require("chai");
+const { ethers } = require("hardhat");
+
+describe("Setter", function() {
+  let instance;
+
+  before(async () => {
+    const factory = await ethers.getContractFactory("Setter");
+    instance = await factory.deploy();
+  });
+
+  it('sets at the beginning', async function(){
+    await instance.set();
+  });
+
+  it('sets at the end', async function(){
+    // Mine about 50K blocks
+    await hre.network.provider.send('hardhat_mine', ['0xCCCC'])
+    await instance.set();
+  });
+});
+