[FEATURE/CROW-296] Add cancel task

Readme.md

@@ -122,9 +122,11 @@ Boilerplate comes with some example tasks:
 
 - Transfer tokens: `npx hardhat transfer --tokenaddress 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --account 0x70997970C51812dc3A010C7d01b50e0d17dc79C8 --amount 0.1 --network localhost`
 
-- Pledge a campaing: `npx hardhat pledge --goal 1 --campaign-id 5 --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --network localhost`
+- Pledge a campaign: `npx hardhat pledge --goal 1 --campaign-id 5 --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --network localhost`
 
-- Refund a campaing: `npx hardhat refund --campaign-id 1 --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --network localhost`
+- Refund a campaign: `npx hardhat refund --campaign-id 1 --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --network localhost`
+
+- Cancel a campaign: `npx hardhat cancel --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --campaign-id 1`
 
 - Claim funds: `npx hardhat claim --campaign-id 2 --address 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512 --network localhost`
 

hardhat.config.ts

@@ -16,6 +16,7 @@ import "./tasks/pledge";
 import "./tasks/allowance";
 import "./tasks/claim";
 import "./tasks/refund";
+import "./tasks/cancel";
 
 dotenv.config();
 

tasks/cancel.ts

@@ -0,0 +1,18 @@
+import { task } from "hardhat/config";
+import { utils } from "ethers";
+
+task("cancel", "Cancel a campaign")
+  .addParam("address", "Crowdfunding contract address.")
+  .addParam("campaignId", "Campaign ID.")
+  .setAction(async (taskArgs, hre) => {
+    const { address, campaignId } = taskArgs;
+
+    const Crowdfunding = await hre.ethers.getContractFactory("Crowdfunding");
+    const crowdfunding = Crowdfunding.attach(address);
+
+    const cancel = await crowdfunding.cancel(utils.hexlify(+campaignId));
+
+    if (cancel) {
+      console.log("Campaign successfully cancelled");
+    }
+  });