61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
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import { Network } from "@ethersproject/networks";
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import { showThrottleMessage } from "./formatter";
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import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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import type { ConnectionInfo } from "@ethersproject/web";
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import { Logger } from "@ethersproject/logger";
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import { version } from "./_version";
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const logger = new Logger(version);
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const defaultApiKey = "9f7d929b018cdffb338517efa06f58359e86ff1ffd350bc889738523659e7972";
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function getHost(name: string): string {
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switch (name) {
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case "homestead":
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return "rpc.ankr.com/eth/";
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case "matic":
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return "rpc.ankr.com/polygon/";
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case "arbitrum":
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return "rpc.ankr.com/arbitrum/";
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}
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return logger.throwArgumentError("unsupported network", "name", name);
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}
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export class AnkrProvider extends UrlJsonRpcProvider {
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readonly apiKey: string;
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isCommunityResource(): boolean {
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return (this.apiKey === defaultApiKey);
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}
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static getApiKey(apiKey: any): any {
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if (apiKey == null) { return defaultApiKey; }
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return apiKey;
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}
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static getUrl(network: Network, apiKey: any): ConnectionInfo {
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if (apiKey == null) { apiKey = defaultApiKey; }
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const connection: ConnectionInfo = {
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allowGzip: true,
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url: ("https:/\/" + getHost(network.name) + apiKey),
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throttleCallback: (attempt: number, url: string) => {
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if (apiKey.apiKey === defaultApiKey) {
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showThrottleMessage();
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}
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return Promise.resolve(true);
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}
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};
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if (apiKey.projectSecret != null) {
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connection.user = "";
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connection.password = apiKey.projectSecret
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}
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return connection;
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}
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}
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