Implement task to verify contract

Makefile

@@ -86,3 +86,15 @@ upgrade-maticx-holesky:
 	$(BIN_HARDHAT) upgrade-contract --network $(NETWORK_HOLESKY) --name MaticX --contract $(HOLESKY_MATIC_X)
 upgrade-maticx-ethereum:
 	$(BIN_HARDHAT) upgrade-contract --network $(NETWORK_ETHEREUM) --name MaticX --contract $(ETHEREUM_MATIC_X)
+
+# Verify the ValidatorRegistry contract
+verify-validatorregistry-holesky:
+	$(BIN_HARDHAT) verify-contract --network $(NETWORK_HOLESKY) --contract $(HOLESKY_VALIDATOR_REGISTRY)
+verify-validatorregistry-ethereum:
+	$(BIN_HARDHAT) verify-contract --network $(NETWORK_ETHEREUM) --contract $(ETHEREUM_VALIDATOR_REGISTRY)
+
+# Verify the MaticX contract
+verify-maticx-holesky:
+	$(BIN_HARDHAT) verify-contract --network $(NETWORK_HOLESKY) --contract $(HOLESKY_MATIC_X)
+verify-maticx-ethereum:
+	$(BIN_HARDHAT) verify-contract --network $(NETWORK_ETHEREUM) --contract $(ETHEREUM_MATIC_X)

tasks/index.ts

@@ -1,3 +1,4 @@
 import "./deploy-matic-x";
 import "./deploy-validator-registry";
 import "./upgrade-contract";
+import "./verify-contract";

tasks/verify-contract.ts

@@ -0,0 +1,55 @@
+import { task, types } from "hardhat/config";
+import { TASK_CLEAN, TASK_COMPILE } from "hardhat/builtin-tasks/task-names";
+import { isLocalNetwork, Network } from "../utils/network";
+
+interface TaskParams {
+	address: string;
+	contractPath: string;
+	constructorArguments: string[];
+}
+
+task("verify-contract")
+	.setDescription("Verify a contract")
+	.addParam<string>("address", "Contract address", undefined, types.string)
+	.addOptionalParam<string>(
+		"contractPath",
+		"Contract path",
+		undefined,
+		types.string
+	)
+	.addOptionalVariadicPositionalParam<string[]>(
+		"constructorArguments",
+		"Constructor arguments",
+		[],
+		types.string
+	)
+	.setAction(
+		async (
+			{
+				address: contractAddress,
+				contractPath,
+				constructorArguments,
+			}: TaskParams,
+			{ ethers, network, run }
+		) => {
+			if (!ethers.utils.isAddress(contractAddress)) {
+				throw new Error("Invalid contract address");
+			}
+
+			const networkName = network.name as Network;
+			console.log(`Network name: ${networkName}`);
+			if (isLocalNetwork(networkName)) {
+				throw new Error("Unsupported network");
+			}
+
+			await run(TASK_CLEAN);
+			await run(TASK_COMPILE);
+
+			await run("verify:verify", {
+				address: contractAddress,
+				contract: contractPath,
+				constructorArguments,
+				force: true,
+			});
+		}
+	);