viem/_types/types/transport.d.ts

TypeScript Interface for Ethereum

import type { Transport } from '../clients/transports/createTransport.js';
import type { FallbackTransport } from '../clients/transports/fallback.js';
import type { Some } from './utils.js';
export type GetTransportConfig<transport extends Transport> = ReturnType<transport>['config'];
export type GetPollOptions<transport extends Transport> = (HasTransportType<transport, 'webSocket'> extends true ? {
    batch?: undefined;
    /**
     * Whether or not the WebSocket Transport should poll the JSON-RPC, rather than using `eth_subscribe`.
     * @default false
     */
    poll?: false | undefined;
    pollingInterval?: undefined;
} : never) | {
    poll?: true | undefined;
    /**
     * Whether or not the transaction hashes should be batched on each invocation.
     * @default true
     */
    batch?: boolean | undefined;
    /**
     * Polling frequency (in ms). Defaults to Client's pollingInterval config.
     * @default client.pollingInterval
     */
    pollingInterval?: number | undefined;
};
export type HasTransportType<transport extends Transport, type extends string> = GetTransportConfig<transport>['type'] extends type ? true : transport extends FallbackTransport<infer transports extends readonly Transport[]> ? Some<{
    [key in keyof transports]: GetTransportConfig<transports[key]>['type'];
}, type> : false;
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