Implement task to generate initializeV2 calldata for MaticX contract

Makefile

@@ -76,6 +76,7 @@ AMOY_DEPLOYER := 0x8C6B3eE457b193A49794df466957441b4AccD102
 # Ethereum (Preprod) contract addresses
 ETHEREUM_PREPROD_VALIDATOR_REGISTRY := 0xcEbaFD96Df8a1Cc63ee77770296F14B68089Ab04
 ETHEREUM_PREPROD_MATIC_X := 0xD22dd194B8ec2abEeeFAC36a69cd8898FB6C43b3
+ETHEREUM_PREPROD_MATIC_X_IMPLEMENTATION := 0x801e30fD56b43641CcB7724b31F2401004B2609c
 ETHEREUM_PREPROD_FX_STATE_ROOT_TUNNEL := 0xcD7AdBBF3030AFFa7766606c5EA9E016141422Ca
 ETHEREUM_PREPROD_TIMELOCK_CONTROLLER := 0x420d319efe3Dd573Ccf3219dDdf60C83902B9f10
 ETHEREUM_PREPROD_STAKE_MANAGER := 0x5e3Ef299fDDf15eAa0432E6e66473ace8c13D908
@@ -90,6 +91,7 @@ ETHEREUM_PREPROD_DEPLOYER := 0x6FCBE6C2d6f6c890fD0cC5b0288E2D474D90BB1F
 # Ethereum (Prod) contract addresses
 ETHEREUM_PROD_VALIDATOR_REGISTRY := 0xf556442D5B77A4B0252630E15d8BbE2160870d77
 ETHEREUM_PROD_MATIC_X := 0xf03A7Eb46d01d9EcAA104558C732Cf82f6B6B645
+ETHEREUM_PROD_MATIC_X_IMPLEMENTATION := 0x801e30fD56b43641CcB7724b31F2401004B2609c
 ETHEREUM_PROD_FX_STATE_ROOT_TUNNEL := 0x40FB804Cc07302b89EC16a9f8d040506f64dFe29
 ETHEREUM_PROD_TIMELOCK_CONTROLLER := 0x20Ea6f63de406040E1e4B67aD98E84A0Eb3778Be
 ETHEREUM_PROD_STAKE_MANAGER := 0x5e3Ef299fDDf15eAa0432E6e66473ace8c13D908
@@ -355,6 +357,12 @@ initializev2-maticx-ethereum-preprod:
 initializev2-maticx-ethereum-prod:
 	$(BIN_HARDHAT) initialize-v2:matic-x --network $(NETWORK_ETHEREUM) --contract $(ETHEREUM_PROD_MATIC_X) --pol $(ETHEREUM_PROD_POL)
 
+# Generate initializeV2 calldata for the MaticX contract
+generateinitializev2calldata-maticx-ethereum-preprod:
+	$(BIN_HARDHAT) generate-initializev2-calldata-matic-x --network $(NETWORK_ETHEREUM) --matic-x-proxy $(ETHEREUM_PREPROD_MATIC_X) --matic-x-implementation $(ETHEREUM_PREPROD_MATIC_X_IMPLEMENTATION) --pol $(ETHEREUM_PREPROD_POL)
+generateinitializev2calldata-maticx-ethereum-prod:
+	$(BIN_HARDHAT) generate-initializev2-calldata-matic-x --network $(NETWORK_ETHEREUM) --matic-x-proxy $(ETHEREUM_PROD_MATIC_X) --matic-x-implementation $(ETHEREUM_PROD_MATIC_X_IMPLEMENTATION) --pol $(ETHEREUM_PROD_POL)
+
 # Validate the parent deployment
 validateparentdeployment-sepolia:
 	$(BIN_HARDHAT) validate-parent-deployment --network $(NETWORK_SEPOLIA) --validator-registry $(SEPOLIA_VALIDATOR_REGISTRY) --matic-x $(SEPOLIA_MATIC_X) --fx-state-root-tunnel $(SEPOLIA_FX_STATE_ROOT_TUNNEL) --fx-state-child-tunnel $(AMOY_FX_STATE_CHILD_TUNNEL) --stake-manager $(SEPOLIA_STAKE_MANAGER) --checkpoint-manager $(SEPOLIA_CHECKPOINT_MANAGER) --fx-root $(SEPOLIA_FX_ROOT) --matic $(SEPOLIA_MATIC) --pol $(SEPOLIA_POL) --manager $(SEPOLIA_MANAGER) --treasury $(SEPOLIA_TREASURY) --deployer $(SEPOLIA_DEPLOYER) --matic-x-version $(MATIC_X_VERSION) --validator-registry-version $(VALIDATOR_REGISTRY_VERSION) --fee-percent $(MATIC_X_FEE_PERCENT)

contracts/ProxyAdmin.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity 0.8.7;
+
+import { ProxyAdmin as OpenzeppelinProxyAdmin } from "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
+
+/**
+ * @title ProxyAdmin
+ */
+// solhint-disable-next-line no-empty-blocks
+contract ProxyAdmin is OpenzeppelinProxyAdmin {}

tasks/generate-initializev2-calldata-matic-x.ts

@@ -0,0 +1,70 @@
+import { AbiCoder } from "ethers";
+import { task, types } from "hardhat/config";
+
+interface TaskParams {
+	maticXProxy: string;
+	maticXImplementation: string;
+	pol: string;
+}
+
+task("generate-initializev2-calldata-matic-x")
+	.setDescription("Generate initializeV2 calldata for the MaticX contract")
+	.addParam<string>(
+		"maticXProxy",
+		"Address of the MaticX proxy contract",
+		undefined,
+		types.string
+	)
+	.addParam<string>(
+		"maticXImplementation",
+		"Address of the MaticX implementation contract",
+		undefined,
+		types.string
+	)
+	.addParam<string>("pol", "POL contract address", undefined, types.string)
+	.setAction(
+		async (
+			{
+				maticXProxy: maticXProxyAddress,
+				maticXImplementation: maticXImplementationAddress,
+				pol: polAddress,
+			}: TaskParams,
+			{ ethers }
+		) => {
+			if (!ethers.isAddress(maticXProxyAddress)) {
+				throw new Error("Invalid MaticX proxy address");
+			}
+			if (!ethers.isAddress(maticXImplementationAddress)) {
+				throw new Error("Invalid MaticX implementation address");
+			}
+			if (!ethers.isAddress(polAddress)) {
+				throw new Error("Invalid POL address");
+			}
+
+			const proxyAdmin = await ethers.getContractFactory(
+				"contracts/ProxyAdmin.sol:ProxyAdmin"
+			);
+			const maticX = await ethers.getContractFactory("MaticX");
+
+			const initialzeV2Selector =
+				maticX.interface.getFunction("initializeV2")?.selector;
+			if (!initialzeV2Selector) {
+				throw new Error("InitializeV2 selector on MaticX not defined");
+			}
+
+			const abiCoder = new AbiCoder();
+			const encodedPOLAddress = abiCoder.encode(
+				["address"],
+				[polAddress]
+			);
+
+			const initializeV2Calldata =
+				proxyAdmin.interface.encodeFunctionData("upgradeAndCall", [
+					maticXProxyAddress,
+					maticXImplementationAddress,
+					`${initialzeV2Selector}${encodedPOLAddress.slice(2)}`,
+				]);
+
+			console.log("Initialize v2 calldata:\n%s", initializeV2Calldata);
+		}
+	);

tasks/index.ts

@@ -6,6 +6,7 @@ import "./deploy-matic-x";
 import "./deploy-timelock-controller";
 import "./deploy-u-child-erc20";
 import "./deploy-validator-registry";
+import "./generate-initializev2-calldata-matic-x";
 import "./import-contract";
 import "./initialize-v2-matic-x";
 import "./initialize-v2-validator-registry";