@hyperlane-xyz/core/dependencies/@arbitrum-nitro-contracts-1.2.1/scripts/createERC20Rollup.ts

Core solidity contracts for Hyperlane

import { ethers } from 'hardhat'
import '@nomiclabs/hardhat-ethers'
import { Signer } from 'ethers'
import { createRollup } from './rollupCreation'
import { TestToken__factory } from '../build/types'

async function deployERC20Token(deployer: Signer): Promise<string> {
  const factory = await new TestToken__factory(deployer).deploy(
    ethers.utils.parseEther('1000000000')
  )
  const feeToken = await factory.deployed()

  return feeToken.address
}

async function main() {
  const [deployer] = await ethers.getSigners()

  let customFeeTokenAddress = process.env.FEE_TOKEN_ADDRESS
  if (!customFeeTokenAddress) {
    console.log(
      'FEE_TOKEN_ADDRESS env var not provided, deploying new ERC20 token'
    )
    customFeeTokenAddress = await deployERC20Token(deployer)
  }
  if (!ethers.utils.isAddress(customFeeTokenAddress)) {
    throw new Error(
      'Fee token address ' + customFeeTokenAddress + ' is not a valid address!'
    )
  }

  console.log('Creating new rollup with', customFeeTokenAddress, 'as fee token')
  await createRollup(customFeeTokenAddress)
}

main()
  .then(() => process.exit(0))
  .catch((error: Error) => {
    console.error(error)
    process.exit(1)
  })