102 lines
3.5 KiB
JavaScript
102 lines
3.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ChainstackProvider = void 0;
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/**
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* [[link-chainstack]] provides a third-party service for connecting to
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* various blockchains over JSON-RPC.
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*
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* **Supported Networks**
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*
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* - Ethereum Mainnet (``mainnet``)
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* - Arbitrum (``arbitrum``)
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* - BNB Smart Chain Mainnet (``bnb``)
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* - Polygon (``matic``)
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*
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* @_subsection: api/providers/thirdparty:Chainstack [providers-chainstack]
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*/
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const index_js_1 = require("../utils/index.js");
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const community_js_1 = require("./community.js");
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const network_js_1 = require("./network.js");
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const provider_jsonrpc_js_1 = require("./provider-jsonrpc.js");
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function getApiKey(name) {
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switch (name) {
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case "mainnet": return "39f1d67cedf8b7831010a665328c9197";
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case "arbitrum": return "0550c209db33c3abf4cc927e1e18cea1";
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case "bnb": return "98b5a77e531614387366f6fc5da097f8";
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case "matic": return "cd9d4d70377471aa7c142ec4a4205249";
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}
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(0, index_js_1.assertArgument)(false, "unsupported network", "network", name);
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}
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function getHost(name) {
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switch (name) {
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case "mainnet":
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return "ethereum-mainnet.core.chainstack.com";
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case "arbitrum":
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return "arbitrum-mainnet.core.chainstack.com";
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case "bnb":
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return "bsc-mainnet.core.chainstack.com";
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case "matic":
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return "polygon-mainnet.core.chainstack.com";
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}
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(0, index_js_1.assertArgument)(false, "unsupported network", "network", name);
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}
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/**
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* The **ChainstackProvider** connects to the [[link-chainstack]]
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* JSON-RPC end-points.
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*
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* By default, a highly-throttled API key is used, which is
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* appropriate for quick prototypes and simple scripts. To
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* gain access to an increased rate-limit, it is highly
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* recommended to [sign up here](link-chainstack).
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*/
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class ChainstackProvider extends provider_jsonrpc_js_1.JsonRpcProvider {
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/**
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* The API key for the Chainstack connection.
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*/
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apiKey;
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/**
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* Creates a new **ChainstackProvider**.
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*/
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constructor(_network, apiKey) {
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if (_network == null) {
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_network = "mainnet";
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}
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const network = network_js_1.Network.from(_network);
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if (apiKey == null) {
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apiKey = getApiKey(network.name);
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}
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const request = ChainstackProvider.getRequest(network, apiKey);
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super(request, network, { staticNetwork: network });
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(0, index_js_1.defineProperties)(this, { apiKey });
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}
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_getProvider(chainId) {
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try {
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return new ChainstackProvider(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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isCommunityResource() {
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return (this.apiKey === getApiKey(this._network.name));
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}
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/**
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* Returns a prepared request for connecting to %%network%%
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* with %%apiKey%% and %%projectSecret%%.
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*/
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static getRequest(network, apiKey) {
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if (apiKey == null) {
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apiKey = getApiKey(network.name);
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}
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const request = new index_js_1.FetchRequest(`https:/\/${getHost(network.name)}/${apiKey}`);
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request.allowGzip = true;
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if (apiKey === getApiKey(network.name)) {
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request.retryFunc = async (request, response, attempt) => {
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(0, community_js_1.showThrottleMessage)("ChainstackProvider");
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return true;
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};
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}
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return request;
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}
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}
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exports.ChainstackProvider = ChainstackProvider;
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//# sourceMappingURL=provider-chainstack.js.map
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