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hardhat.config.ts
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hardhat.config.ts
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import "@nomicfoundation/hardhat-toolbox";
import { createInterface } from "readline/promises";
import { HardhatUserConfig, task } from "hardhat/config";
import { Wallet, ethers, providers } from "ethers";
import { HttpNetworkConfig } from "hardhat/types";
import dotenv from "dotenv";
dotenv.config();
import { createOptimismERC20 } from "./utils/createOptimismERC20";
const PRIVATE_KEY = process.env.PRIVATE_KEY as string;
const ALCHEMY_API_KEY = process.env.ALCHEMY_API_KEY;
const config: HardhatUserConfig = {
solidity: {
compilers: [{ version: "0.8.20" }, { version: "0.5.12" }],
},
networks: {
sepolia: {
chainId: 11155111,
url: `https://eth-sepolia.g.alchemy.com/v2/${ALCHEMY_API_KEY}`,
accounts: [PRIVATE_KEY],
},
pgnTestnet: {
chainId: 58008,
url: `https://sepolia.publicgoods.network`,
accounts: [PRIVATE_KEY],
},
},
};
task("deploy", "Deploy ERC20 token")
.addParam("l1", "The L1 chain")
.addParam("l2", "The L2 chain")
.addParam("l1address", "The L1 address of the token")
.setAction(async ({ l1address, l1, l2 }, hre) => {
validateAddress(l1address);
const { abi } = await hre.artifacts.readArtifact("ERC20");
const signer = new Wallet(PRIVATE_KEY);
const { l1Provider, l2Provider } = createProviders({ l1, l2 });
const erc20 = new ethers.Contract(
l1address,
abi,
signer.connect(l1Provider)
);
const [name, symbol] = await Promise.all([erc20.name(), erc20.symbol()]);
const balance = ethers.utils.formatEther(
await signer.connect(l2Provider).getBalance()
);
console.log(`\nDeploying ${name} (${symbol}): ${l1} → ${l2}`);
console.log(`\nDeployer: ${signer.address} (${balance} ETH)\n`);
if (await shouldProceed()) {
const deployer = signer.connect(l2Provider);
const l2Address = await createOptimismERC20({
name,
symbol,
l1address,
deployer,
});
console.log(`Deployed at: ${l2Address}`);
}
});
function createProviders(networks: { l1: string; l2: string }) {
const { l1: l1Provider, l2: l2Provider } = Object.entries(networks).reduce(
(acc, [network, type]) => {
const rpc = config.networks?.[type] as HttpNetworkConfig;
if (!rpc) {
throw new Error(`Network not found in config: ${network}`);
}
return {
...acc,
[network]: new providers.JsonRpcProvider(rpc.url),
};
},
{} as { l1: providers.Provider; l2: providers.Provider }
);
return { l1Provider, l2Provider };
}
async function shouldProceed() {
const rl = createInterface({ input: process.stdin, output: process.stdout });
return ["y", "yes"].includes(await rl.question("Proceed? (yes/no): "));
}
function validateAddress(address: string) {
if (!ethers.utils.isAddress(address)) {
throw new Error(`Must be a valid address: ${address}`);
}
}
export default config;