1234567891011121314151617181920
// Copyright 2017-2022 @polkadot/rpc-contract authors & contributors// SPDX-License-Identifier: Apache-2.0
import type { SubmittableResult } from 'https://deno.land/x/polkadot@0.2.8/api/mod.ts';import type { EventRecord } from 'https://deno.land/x/polkadot@0.2.8/types/interfaces/index.ts';
type ContractEvents = 'CodeStored' | 'ContractEmitted' | 'ContractExecution' | 'Instantiated';
export function applyOnEvent <T> (result: SubmittableResult, types: ContractEvents[], fn: (records: EventRecord[]) => T): T | undefined {  if (result.isInBlock || result.isFinalized) {    const records = result.filterRecords('contracts', types);
    if (records.length) {      return fn(records);    }  }
  return undefined;}