index.ts

import { Contract } from 'ethers';
import { Task, TaskRunOptions } from '@src';
import { BatchRelayerDeployment } from './input';

export default async (task: Task, { force, from }: TaskRunOptions = {}): Promise<void> => {
  const input = task.input() as BatchRelayerDeployment;

  const relayerLibraryArgs = [
    input.Vault,
    input.wstETH,
    input.BalancerMinter,
    input.CanCallUserCheckpoint,
    input.Version,
  ];
  const relayerLibrary = await task.deployAndVerify('BatchRelayerLibrary', relayerLibraryArgs, from, force);

  // The relayer library automatically also deploys the query library, and then the relayer itself: we must verify them
  const relayer: Contract = await task.instanceAt('BalancerRelayer', relayerLibrary.getEntrypoint());
  const queryLibrary: string = await relayer.getQueryLibrary();
  const relayerAddress = await relayer.address;

  const relayerArgs = [input.Vault, relayerLibrary.address, queryLibrary, input.Version]; // See BalancerRelayer's constructor
  await task.verify('BalancerRelayer', relayerAddress, relayerArgs);
  await task.verify('BatchRelayerQueryLibrary', queryLibrary, [input.Vault]);
  await task.save({ BatchRelayerQueryLibrary: queryLibrary });
  await task.save({ BalancerRelayer: relayerAddress });
};