ethers.js/lib.esm/providers/provider-quicknode.js
2024-02-02 03:25:03 -05:00

159 lines
5.5 KiB
JavaScript

/**
* [[link-quicknode]] provides a third-party service for connecting to
* various blockchains over JSON-RPC.
*
* **Supported Networks**
*
* - Ethereum Mainnet (``mainnet``)
* - Goerli Testnet (``goerli``)
* - Sepolia Testnet (``sepolia``)
* - Holesky Testnet (``holesky``)
* - Arbitrum (``arbitrum``)
* - Arbitrum Goerli Testnet (``arbitrum-goerli``)
* - Arbitrum Sepolia Testnet (``arbitrum-sepolia``)
* - Base Mainnet (``base``);
* - Base Goerli Testnet (``base-goerli``);
* - Base Sepolia Testnet (``base-sepolia``);
* - BNB Smart Chain Mainnet (``bnb``)
* - BNB Smart Chain Testnet (``bnbt``)
* - Optimism (``optimism``)
* - Optimism Goerli Testnet (``optimism-goerli``)
* - Optimism Sepolia Testnet (``optimism-sepolia``)
* - Polygon (``matic``)
* - Polygon Mumbai Testnet (``matic-mumbai``)
*
* @_subsection: api/providers/thirdparty:QuickNode [providers-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 "ethers.ethereum-sepolia.quiknode.pro";
case "holesky":
return "ethers.ethereum-holesky.quiknode.pro";
case "arbitrum":
return "ethers.arbitrum-mainnet.quiknode.pro";
case "arbitrum-goerli":
return "ethers.arbitrum-goerli.quiknode.pro";
case "arbitrum-sepolia":
return "ethers.arbitrum-sepolia.quiknode.pro";
case "base":
return "ethers.base-mainnet.quiknode.pro";
case "base-goerli":
return "ethers.base-goerli.quiknode.pro";
case "base-spolia":
return "ethers.base-sepolia.quiknode.pro";
case "bnb":
return "ethers.bsc.quiknode.pro";
case "bnbt":
return "ethers.bsc-testnet.quiknode.pro";
case "matic":
return "ethers.matic.quiknode.pro";
case "matic-mumbai":
return "ethers.matic-testnet.quiknode.pro";
case "optimism":
return "ethers.optimism.quiknode.pro";
case "optimism-goerli":
return "ethers.optimism-goerli.quiknode.pro";
case "optimism-sepolia":
return "ethers.optimism-sepolia.quiknode.pro";
case "xdai":
return "ethers.xdai.quiknode.pro";
}
assertArgument(false, "unsupported network", "network", name);
}
/*
@TODO:
These networks are not currently present in the Network
default included networks. Research them and ensure they
are EVM compatible and work with ethers
http://ethers.matic-amoy.quiknode.pro
http://ethers.avalanche-mainnet.quiknode.pro
http://ethers.avalanche-testnet.quiknode.pro
http://ethers.blast-sepolia.quiknode.pro
http://ethers.celo-mainnet.quiknode.pro
http://ethers.fantom.quiknode.pro
http://ethers.imx-demo.quiknode.pro
http://ethers.imx-mainnet.quiknode.pro
http://ethers.imx-testnet.quiknode.pro
http://ethers.near-mainnet.quiknode.pro
http://ethers.near-testnet.quiknode.pro
http://ethers.nova-mainnet.quiknode.pro
http://ethers.scroll-mainnet.quiknode.pro
http://ethers.scroll-testnet.quiknode.pro
http://ethers.tron-mainnet.quiknode.pro
http://ethers.zkevm-mainnet.quiknode.pro
http://ethers.zkevm-testnet.quiknode.pro
http://ethers.zksync-mainnet.quiknode.pro
http://ethers.zksync-testnet.quiknode.pro
*/
/**
* The **QuickNodeProvider** connects to the [[link-quicknode]]
* JSON-RPC end-points.
*
* By default, a highly-throttled API token is used, which is
* appropriate for quick prototypes and simple scripts. To
* gain access to an increased rate-limit, it is highly
* recommended to [sign up here](link-quicknode).
*/
export class QuickNodeProvider extends JsonRpcProvider {
/**
* The API token.
*/
token;
/**
* Creates a new **QuickNodeProvider**.
*/
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);
}
/**
* Returns a new request prepared for %%network%% and the
* %%token%%.
*/
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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