chore(entropy): deployment script for entropy upgrades (#2697)

Author: jayantk

target_chains/ethereum/contracts/deploy/zkSyncDeployNewEntropyImpl.ts

@@ -0,0 +1,45 @@
+require("dotenv").config({ path: ".env" });
+import { utils, Wallet } from "zksync-web3";
+import { HardhatRuntimeEnvironment } from "hardhat/types";
+import { Deployer } from "@matterlabs/hardhat-zksync-deploy";
+import { assert } from "chai";
+import { writeFileSync } from "fs";
+import { ethers } from "ethers";
+
+function envOrErr(name: string): string {
+  const res = process.env[name];
+  if (res === undefined) {
+    throw new Error(`${name} environment variable is not set.`);
+  }
+  return res;
+}
+
+export default async function (hre: HardhatRuntimeEnvironment) {
+  // Initialize the wallet.
+  const wallet = Wallet.fromMnemonic(envOrErr("MNEMONIC"));
+
+  // Create deployer object and load the artifact of the contract we want to deploy.
+  const deployer = new Deployer(hre, wallet);
+
+  // Deposit some funds to L2 in order to be able to perform L2 transactions. Uncomment
+  // this if the deployment account is unfunded.
+  //
+  // const depositAmount = ethers.utils.parseEther("0.005");
+  // const depositHandle = await deployer.zkWallet.deposit({
+  //   to: deployer.zkWallet.address,
+  //   token: utils.ETH_ADDRESS,
+  //   amount: depositAmount,
+  // });
+  // // Wait until the deposit is processed on zkSync
+  // await depositHandle.wait();
+
+  const entropyImplArtifact = await deployer.loadArtifact("EntropyUpgradable");
+  const entropyImplContract = await deployer.deploy(entropyImplArtifact);
+
+  console.log(
+    `Deployed Entropy implementation contract on ${entropyImplContract.address}`,
+  );
+  console.log(
+    "Please use this address as the candidate new implementation in the deployment script.",
+  );
+}