@typechain/ethers-v5/static/common.ts

🔌 TypeChain target for ethers-v5

import type { Listener } from '@ethersproject/providers'
import type { Event, EventFilter } from 'ethers'

export interface TypedEvent<TArgsArray extends Array<any> = any, TArgsObject = any> extends Event {
  args: TArgsArray & TArgsObject
}

export interface TypedEventFilter<_TEvent extends TypedEvent> extends EventFilter {}

export interface TypedListener<TEvent extends TypedEvent> {
  (...listenerArg: [...__TypechainArgsArray<TEvent>, TEvent]): void
}

type __TypechainArgsArray<T> = T extends TypedEvent<infer U> ? U : never

export interface OnEvent<TRes> {
  <TEvent extends TypedEvent>(eventFilter: TypedEventFilter<TEvent>, listener: TypedListener<TEvent>): TRes
  (eventName: string, listener: Listener): TRes
}

export type MinEthersFactory<C, ARGS> = {
  deploy(...a: ARGS[]): Promise<C>
}

export type GetContractTypeFromFactory<F> = F extends MinEthersFactory<infer C, any> ? C : never

export type GetARGsTypeFromFactory<F> = F extends MinEthersFactory<any, any> ? Parameters<F['deploy']> : never