ethers.js/lib.commonjs/providers/provider-fallback.d.ts
2023-04-27 21:19:55 +09:00

51 lines
1.6 KiB
TypeScript

import { AbstractProvider } from "./abstract-provider.js";
import { Network } from "./network.js";
import type { PerformActionRequest } from "./abstract-provider.js";
import type { Networkish } from "./network.js";
/**
* A configuration entry for how to use a [[Provider]].
*/
export interface FallbackProviderConfig {
provider: AbstractProvider;
stallTimeout?: number;
priority?: number;
weight?: number;
}
/**
* The statistics and state maintained for a [[Provider]].
*/
export interface FallbackProviderState extends Required<FallbackProviderConfig> {
blockNumber: number;
requests: number;
errorResponses: number;
lateResponses: number;
outOfSync: number;
unsupportedEvents: number;
rollingDuration: number;
score: number;
}
/**
* Additional options to configure a [[FallbackProvider]].
*/
export type FallbackProviderOptions = {
quorum: number;
eventQuorum: number;
eventWorkers: number;
};
/**
* A Fallback Provider.
*
*/
export declare class FallbackProvider extends AbstractProvider {
#private;
readonly quorum: number;
readonly eventQuorum: number;
readonly eventWorkers: number;
constructor(providers: Array<AbstractProvider | FallbackProviderConfig>, network?: Networkish);
get providerConfigs(): Array<FallbackProviderState>;
_detectNetwork(): Promise<Network>;
_translatePerform(provider: AbstractProvider, req: PerformActionRequest): Promise<any>;
_perform<T = any>(req: PerformActionRequest): Promise<T>;
destroy(): Promise<void>;
}
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