@gear-js/api/lib/types/interfaces/callbacks.d.ts

A JavaScript library that provides functionality to connect GEAR Component APIs.

import { Balance, Header } from '@polkadot/types/interfaces';
import { ISubmittableResult } from '@polkadot/types/types';
export interface IBlocksCallback {
    (event: Header): void | Promise<void>;
}
export interface IBalanceCallback {
    (event: Balance): void | Promise<void>;
}
export type TransactionStatusCb = (result: ISubmittableResult, extra: undefined) => void | Promise<void>;