From f6a54843743b9e8904cbb297f650d576cf51a27a Mon Sep 17 00:00:00 2001
From: Alejandro <palebluedot@gmail.com>
Date: Mon, 16 Sep 2024 13:51:17 -0300
Subject: [PATCH] Add hex util

---
 packages/ethernaut-util/README.md              |  1 +
 packages/ethernaut-util/src/tasks/hex.js       | 13 +++++++++++++
 packages/ethernaut-util/test/tasks/hex.test.js | 10 ++++++++++
 3 files changed, 24 insertions(+)
 create mode 100644 packages/ethernaut-util/src/tasks/hex.js
 create mode 100644 packages/ethernaut-util/test/tasks/hex.test.js

diff --git a/packages/ethernaut-util/README.md b/packages/ethernaut-util/README.md
index 38b43a40..42cc35bd 100644
--- a/packages/ethernaut-util/README.md
+++ b/packages/ethernaut-util/README.md
@@ -41,6 +41,7 @@ This plugin adds the tasks listed below.
 - unit Converts between different units of Ether
 - gas Fetch gas info on the current network
 - chain Finds a network name from a chain ID, or vice versa
+- hex Converts integers to hex
 
 ## Environment extensions
 
diff --git a/packages/ethernaut-util/src/tasks/hex.js b/packages/ethernaut-util/src/tasks/hex.js
new file mode 100644
index 00000000..b6828539
--- /dev/null
+++ b/packages/ethernaut-util/src/tasks/hex.js
@@ -0,0 +1,13 @@
+const types = require('ethernaut-common/src/validation/types')
+const output = require('ethernaut-common/src/ui/output')
+
+require('../scopes/util')
+  .task('hex', 'Converts integers to hex')
+  .addPositionalParam('value', 'The value to convert.', undefined, types.int)
+  .setAction(async ({ value }, hre) => {
+    try {
+      return output.resultBox(hre.ethers.toQuantity(value))
+    } catch (err) {
+      return output.errorBox(err)
+    }
+  })
diff --git a/packages/ethernaut-util/test/tasks/hex.test.js b/packages/ethernaut-util/test/tasks/hex.test.js
new file mode 100644
index 00000000..0bf37357
--- /dev/null
+++ b/packages/ethernaut-util/test/tasks/hex.test.js
@@ -0,0 +1,10 @@
+const assert = require('assert')
+
+describe('hex', function () {
+  it('converts "42" to hex', async function () {
+    assert.equal(
+      await hre.run({ scope: 'util', task: 'hex' }, { value: '42' }),
+      '0x2a',
+    )
+  })
+})