93 lines
2.8 KiB
TypeScript
93 lines
2.8 KiB
TypeScript
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/**
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* About Quicknode
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*
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* @_subsection: api/providers/thirdparty:QuickNode [backend-quicknode]
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*/
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import {
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defineProperties, FetchRequest, assertArgument
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} 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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import type { AbstractProvider } from "./abstract-provider.js";
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import type { CommunityResourcable } from "./community.js";
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import type { Networkish } from "./network.js";
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const defaultToken = "919b412a057b5e9c9b6dce193c5a60242d6efadb";
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function getHost(name: string): string {
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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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* About QuickNode
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*/
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export class QuickNodeProvider extends JsonRpcProvider implements CommunityResourcable {
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readonly token!: string;
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constructor(_network?: Networkish, token?: null | string) {
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if (_network == null) { _network = "mainnet"; }
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const network = Network.from(_network);
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if (token == null) { token = defaultToken; }
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const request = QuickNodeProvider.getRequest(network, token);
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super(request, network, { staticNetwork: network });
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defineProperties<QuickNodeProvider>(this, { token });
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}
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_getProvider(chainId: number): AbstractProvider {
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try {
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return new QuickNodeProvider(chainId, this.token);
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} catch (error) { }
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return super._getProvider(chainId);
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}
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isCommunityResource(): boolean {
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return (this.token === defaultToken);
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}
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static getRequest(network: Network, token?: null | string): FetchRequest {
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if (token == null) { token = defaultToken; }
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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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