ethers.js/lib.esm/providers/provider-quicknode.js

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2022-12-06 06:19:14 +03:00
/**
* About Quicknode
*
* @_subsection: api/providers/thirdparty:QuickNode [backend-quicknode]
*/
import { defineProperties, FetchRequest, assertArgument } from "../utils/index.js";
import { showThrottleMessage } from "./community.js";
import { Network } from "./network.js";
import { JsonRpcProvider } from "./provider-jsonrpc.js";
const defaultToken = "919b412a057b5e9c9b6dce193c5a60242d6efadb";
function getHost(name) {
switch (name) {
case "mainnet":
return "ethers.quiknode.pro";
case "goerli":
return "ethers.ethereum-goerli.quiknode.pro";
//case "sepolia":
// return "sepolia.infura.io";
case "arbitrum":
return "ethers.arbitrum-mainnet.quiknode.pro";
case "arbitrum-goerli":
return "ethers.arbitrum-goerli.quiknode.pro";
case "matic":
return "ethers.matic.quiknode.pro";
case "maticmum":
return "ethers.matic-testnet.quiknode.pro";
case "optimism":
return "ethers.optimism.quiknode.pro";
case "optimism-goerli":
return "ethers.optimism-goerli.quiknode.pro";
}
assertArgument(false, "unsupported network", "network", name);
}
/**
* About QuickNode
*/
export class QuickNodeProvider extends JsonRpcProvider {
token;
constructor(_network, token) {
if (_network == null) {
_network = "mainnet";
}
const network = Network.from(_network);
if (token == null) {
token = defaultToken;
}
const request = QuickNodeProvider.getRequest(network, token);
super(request, network, { staticNetwork: network });
defineProperties(this, { token });
}
_getProvider(chainId) {
try {
return new QuickNodeProvider(chainId, this.token);
}
catch (error) { }
return super._getProvider(chainId);
}
isCommunityResource() {
return (this.token === defaultToken);
}
static getRequest(network, token) {
if (token == null) {
token = defaultToken;
}
const request = new FetchRequest(`https:/\/${getHost(network.name)}/${token}`);
request.allowGzip = true;
//if (projectSecret) { request.setCredentials("", projectSecret); }
if (token === defaultToken) {
request.retryFunc = async (request, response, attempt) => {
showThrottleMessage("QuickNodeProvider");
return true;
};
}
return request;
}
}
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