52 lines
1.9 KiB
JavaScript
52 lines
1.9 KiB
JavaScript
"use strict";
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import { WebSocketProvider } from "./websocket-provider";
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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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import { UrlJsonRpcProvider } from "./url-json-rpc-provider";
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// This key was provided to ethers.js by Alchemy to be used by the
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// default provider, but it is recommended that for your own
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// production environments, that you acquire your own API key at:
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// https://dashboard.alchemyapi.io
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const defaultApiKey = "_gg7wSSi0KMBsdKnGVfHDueq6xMB9EkC";
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export class AlchemyProvider extends UrlJsonRpcProvider {
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static getWebSocketProvider(network, apiKey) {
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const provider = new AlchemyProvider(network, apiKey);
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const url = provider.connection.url.replace(/^http/i, "ws")
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.replace(".alchemyapi.", ".ws.alchemyapi.");
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return new WebSocketProvider(url, provider.network);
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}
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static getApiKey(apiKey) {
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if (apiKey == null) {
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return defaultApiKey;
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}
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if (apiKey && typeof (apiKey) !== "string") {
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logger.throwArgumentError("invalid apiKey", "apiKey", apiKey);
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}
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return apiKey;
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}
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static getUrl(network, apiKey) {
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let host = null;
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switch (network.name) {
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case "homestead":
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host = "eth-mainnet.alchemyapi.io/v2/";
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break;
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case "ropsten":
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host = "eth-ropsten.alchemyapi.io/v2/";
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break;
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case "rinkeby":
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host = "eth-rinkeby.alchemyapi.io/v2/";
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break;
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case "goerli":
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host = "eth-goerli.alchemyapi.io/v2/";
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break;
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case "kovan":
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host = "eth-kovan.alchemyapi.io/v2/";
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break;
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default:
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logger.throwArgumentError("unsupported network", "network", arguments[0]);
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}
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return ("https:/" + "/" + host + apiKey);
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}
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}
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