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105 lines
3.5 KiB
105 lines
3.5 KiB
/** |
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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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