105 lines
3.5 KiB
JavaScript
105 lines
3.5 KiB
JavaScript
/**
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* [[link-quicknode]] 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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* - Arbitrum (``arbitrum``)
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* - Arbitrum Goerli Testnet (``arbitrum-goerli``)
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* - Optimism (``optimism``)
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* - Optimism Goerli Testnet (``optimism-goerli``)
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* - Polygon (``matic``)
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* - Polygon Mumbai Testnet (``maticmum``)
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*
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* @_subsection: api/providers/thirdparty:QuickNode [providers-quicknode]
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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 defaultToken = "919b412a057b5e9c9b6dce193c5a60242d6efadb";
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function getHost(name) {
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switch (name) {
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case "mainnet":
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return "ethers.quiknode.pro";
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case "goerli":
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return "ethers.ethereum-goerli.quiknode.pro";
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//case "sepolia":
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// return "sepolia.infura.io";
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case "arbitrum":
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return "ethers.arbitrum-mainnet.quiknode.pro";
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case "arbitrum-goerli":
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return "ethers.arbitrum-goerli.quiknode.pro";
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case "matic":
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return "ethers.matic.quiknode.pro";
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case "maticmum":
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return "ethers.matic-testnet.quiknode.pro";
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case "optimism":
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return "ethers.optimism.quiknode.pro";
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case "optimism-goerli":
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return "ethers.optimism-goerli.quiknode.pro";
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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 **QuickNodeProvider** connects to the [[link-quicknode]]
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* JSON-RPC end-points.
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*
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* By default, a highly-throttled API token 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-quicknode).
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*/
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export class QuickNodeProvider extends JsonRpcProvider {
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/**
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* The API token.
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*/
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token;
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/**
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* Creates a new **QuickNodeProvider**.
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*/
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constructor(_network, token) {
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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 (token == null) {
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token = defaultToken;
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}
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const request = QuickNodeProvider.getRequest(network, token);
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super(request, network, { staticNetwork: network });
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defineProperties(this, { token });
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}
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_getProvider(chainId) {
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try {
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return new QuickNodeProvider(chainId, this.token);
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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.token === defaultToken);
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}
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/**
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* Returns a new request prepared for %%network%% and the
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* %%token%%.
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*/
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static getRequest(network, token) {
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if (token == null) {
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token = defaultToken;
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}
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const request = new FetchRequest(`https:/\/${getHost(network.name)}/${token}`);
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request.allowGzip = true;
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//if (projectSecret) { request.setCredentials("", projectSecret); }
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if (token === defaultToken) {
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request.retryFunc = async (request, response, attempt) => {
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showThrottleMessage("QuickNodeProvider");
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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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//# sourceMappingURL=provider-quicknode.js.map
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