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102 lines
3.5 KiB
102 lines
3.5 KiB
"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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