viem/op-stack/types/chain.ts

TypeScript Interface for Ethereum

import type { Chain, ChainContract } from '../../types/chain.js'

export type TargetChain<
  chain extends Chain = Chain,
  contractName extends string = string,
> = {
  contracts: {
    [_ in contractName]: { [_ in chain['id']]: ChainContract }
  }
}