56 lines
2.0 KiB
JavaScript
56 lines
2.0 KiB
JavaScript
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import { defineProperties } from "@ethersproject/properties";
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import { FetchRequest } from "@ethersproject/web";
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import { showThrottleMessage } from "./community.js";
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import { logger } from "./logger.js";
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import { Network } from "./network.js";
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import { StaticJsonRpcProvider } from "./provider-jsonrpc.js";
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const defaultApiKey = "9f7d929b018cdffb338517efa06f58359e86ff1ffd350bc889738523659e7972";
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function getHost(name) {
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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", "network", name);
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}
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export class AnkrProvider extends StaticJsonRpcProvider {
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constructor(_network = "homestead", apiKey) {
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const network = Network.from(_network);
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if (apiKey == null) {
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apiKey = defaultApiKey;
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}
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const connection = AnkrProvider.getConnection(network, apiKey);
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super(connection, network);
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defineProperties(this, { apiKey });
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// Ankr does not support filterId, so we force polling
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super._setOptions({ polling: true });
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}
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_getProvider(chainId) {
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try {
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return new AnkrProvider(chainId, this.apiKey);
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}
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catch (error) { }
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return super._getProvider(chainId);
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}
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static getConnection(network, apiKey) {
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if (apiKey == null) {
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apiKey = defaultApiKey;
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}
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const request = new FetchRequest(`https:/\/${getHost(network.name)}/${apiKey}`);
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request.allowGzip = true;
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const throttleRetry = async (request, response, attempt) => {
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if (apiKey === defaultApiKey) {
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showThrottleMessage("AnkrProvider");
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}
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return true;
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};
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return { request, throttleRetry };
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}
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isCommunityResource() {
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return (this.apiKey === defaultApiKey);
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}
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}
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//# sourceMappingURL=provider-ankr.js.map
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