105 lines
3.5 KiB
JavaScript
105 lines
3.5 KiB
JavaScript
/**
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* [[link-pocket]] 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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* - Goerli Testnet (``goerli``)
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* - Polygon (``matic``)
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* - Arbitrum (``arbitrum``)
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*
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* @_subsection: api/providers/thirdparty:Pocket [providers-pocket]
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*/
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import { defineProperties, FetchRequest, assertArgument } from "../utils/index.js";
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import { showThrottleMessage } from "./community.js";
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import { Network } from "./network.js";
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import { JsonRpcProvider } from "./provider-jsonrpc.js";
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const defaultApplicationId = "62e1ad51b37b8e00394bda3b";
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function getHost(name) {
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switch (name) {
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case "mainnet":
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return "eth-mainnet.gateway.pokt.network";
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case "goerli":
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return "eth-goerli.gateway.pokt.network";
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case "matic":
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return "poly-mainnet.gateway.pokt.network";
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case "matic-mumbai":
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return "polygon-mumbai-rpc.gateway.pokt.network";
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}
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assertArgument(false, "unsupported network", "network", name);
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}
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/**
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* The **PocketProvider** connects to the [[link-pocket]]
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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-pocket-signup).
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*/
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export class PocketProvider extends JsonRpcProvider {
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/**
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* The Application ID for the Pocket connection.
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*/
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applicationId;
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/**
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* The Application Secret for making authenticated requests
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* to the Pocket connection.
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*/
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applicationSecret;
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/**
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* Create a new **PocketProvider**.
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*
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* By default connecting to ``mainnet`` with a highly throttled
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* API key.
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*/
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constructor(_network, applicationId, applicationSecret) {
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if (_network == null) {
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_network = "mainnet";
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}
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const network = Network.from(_network);
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if (applicationId == null) {
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applicationId = defaultApplicationId;
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}
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if (applicationSecret == null) {
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applicationSecret = null;
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}
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const options = { staticNetwork: network };
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const request = PocketProvider.getRequest(network, applicationId, applicationSecret);
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super(request, network, options);
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defineProperties(this, { applicationId, applicationSecret });
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}
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_getProvider(chainId) {
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try {
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return new PocketProvider(chainId, this.applicationId, this.applicationSecret);
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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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/**
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* Returns a prepared request for connecting to %%network%% with
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* %%applicationId%%.
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*/
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static getRequest(network, applicationId, applicationSecret) {
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if (applicationId == null) {
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applicationId = defaultApplicationId;
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}
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const request = new FetchRequest(`https:/\/${getHost(network.name)}/v1/lb/${applicationId}`);
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request.allowGzip = true;
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if (applicationSecret) {
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request.setCredentials("", applicationSecret);
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}
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if (applicationId === defaultApplicationId) {
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request.retryFunc = async (request, response, attempt) => {
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showThrottleMessage("PocketProvider");
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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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isCommunityResource() {
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return (this.applicationId === defaultApplicationId);
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}
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}
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//# sourceMappingURL=provider-pocket.js.map
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