From fbd5a7089b2cd75c276b83d1fa8553dcceac7802 Mon Sep 17 00:00:00 2001
From: Victor Elias <victorgelias@gmail.com>
Date: Wed, 11 Oct 2023 18:38:06 -0300
Subject: [PATCH] Add the task to attempt to increase blocks

---
 tasks/evm-increase-blocks.ts | 37 ++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 tasks/evm-increase-blocks.ts

diff --git a/tasks/evm-increase-blocks.ts b/tasks/evm-increase-blocks.ts
new file mode 100644
index 00000000..1a80083a
--- /dev/null
+++ b/tasks/evm-increase-blocks.ts
@@ -0,0 +1,37 @@
+import {task} from "hardhat/config"
+import {ethers} from "ethers"
+
+const BLOCK_PERIOD = 12 // seconds
+
+task(
+    "evm-increase-blocks",
+    "Helper task to increase the block number in the current EVM"
+)
+    .addOptionalPositionalParam(
+        "blocks",
+        "How many blocks to increase by (defaults to 1)"
+    )
+    .setAction(async (taskArgs, hre) => {
+        const {network} = hre
+
+        const provider = network.provider
+        const blocks = parseInt(taskArgs.blocks ?? "1")
+
+        const currBlock = ethers.BigNumber.from(
+            await provider.send("eth_blockNumber")
+        )
+        console.log(`Previous block pre-update: ${currBlock}`)
+
+        await provider.send("evm_increaseBlocks", [
+            ethers.utils.hexValue(blocks) // hex encoded number of blocks to increase
+        ])
+        // helpfully increase the time by 12s per block as well
+        await provider.send("evm_increaseTime", [
+            ethers.utils.hexValue(BLOCK_PERIOD * blocks) // hex encoded number of seconds
+        ])
+
+        const newBlock = ethers.BigNumber.from(
+            await provider.send("eth_blockNumber")
+        )
+        console.log(`New block post-update: ${newBlock}`)
+    })