Added initial QuickNodeProvider.

src.ts/ethers.ts

@@ -54,6 +54,8 @@ export {
 } from "./hash/index.js";
 
 export {
+    getDefaultProvider,
+
     Block, FeeData, Log, TransactionReceipt, TransactionResponse,
 
     AbstractProvider,
@@ -63,11 +65,13 @@ export {
 
     BrowserProvider,
 
-    AlchemyProvider, AnkrProvider, CloudflareProvider, EtherscanProvider, InfuraProvider,
+    AlchemyProvider, AnkrProvider, CloudflareProvider, EtherscanProvider,
+    InfuraProvider, QuickNodeProvider,
     //PocketProvider } from "./provider-pocket.js";
 
     IpcSocketProvider, SocketProvider, WebSocketProvider,
 
+    EnsResolver,
     Network
 } from "./providers/index.js";
 

src.ts/providers/default-provider.ts

@@ -1,10 +1,13 @@
 
+import { assert } from "../utils/index.js";
+
 import { AnkrProvider } from "./provider-ankr.js";
 import { AlchemyProvider } from "./provider-alchemy.js";
 import { CloudflareProvider } from "./provider-cloudflare.js";
 import { EtherscanProvider } from "./provider-etherscan.js";
 import { InfuraProvider } from "./provider-infura.js";
 //import { PocketProvider } from "./provider-pocket.js";
+import { QuickNodeProvider } from "./provider-quicknode.js";
 
 import { FallbackProvider } from "./provider-fallback.js";
 import { JsonRpcProvider } from "./provider-jsonrpc.js";
@@ -82,7 +85,17 @@ export function getDefaultProvider(network: string | Networkish | WebSocketLike,
         } catch (error) { console.log(error); }
     }
 */
-    if (providers.length === 0) { throw new Error("TODO"); }
+    if (options.quicknode !== "-") {
+        try {
+            let token = options.qquicknode;
+            providers.push(new QuickNodeProvider(network, token));
+        } catch (error) { console.log(error); }
+    }
+
+    assert(providers.length, "unsupported default network", "UNSUPPORTED_OPERATION", {
+        operation: "getDefaultProvider"
+    });
+
     if (providers.length === 1) { return providers[0]; }
 
     return new FallbackProvider(providers);

src.ts/providers/index.ts

@@ -15,7 +15,7 @@ export {
     VoidSigner,
     WrappedSigner
 } from "./abstract-signer.js";
-/*
+
 export {
     showThrottleMessage
 } from "./community.js";
@@ -23,7 +23,6 @@ export {
 export { getDefaultProvider } from "./default-provider.js";
 
 export { EnsResolver } from "./ens-resolver.js";
-*/
 
 export { Network } from "./network.js";
 
@@ -58,6 +57,7 @@ export { CloudflareProvider } from "./provider-cloudflare.js";
 export { BaseEtherscanProvider, EtherscanPlugin } from "./provider-etherscan-base.js";
 export { EtherscanProvider } from "./provider-etherscan.js";
 export { InfuraProvider, InfuraWebSocketProvider } from "./provider-infura.js";
+export { QuickNodeProvider } from "./provider-quicknode.js";
 
 import { IpcSocketProvider } from "./provider-ipcsocket.js"; /*-browser*/
 export { IpcSocketProvider };

src.ts/providers/provider-quicknode.ts

@@ -0,0 +1,92 @@
+/**
+ *  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";
+
+import type { AbstractProvider } from "./abstract-provider.js";
+import type { CommunityResourcable } from "./community.js";
+import type { Networkish } from "./network.js";
+
+
+const defaultToken = "919b412a057b5e9c9b6dce193c5a60242d6efadb";
+
+function getHost(name: string): string {
+    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 implements CommunityResourcable {
+    readonly token!: string;
+
+    constructor(_network?: Networkish, token?: null | string) {
+        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<QuickNodeProvider>(this, { token });
+    }
+
+    _getProvider(chainId: number): AbstractProvider {
+        try {
+            return new QuickNodeProvider(chainId, this.token);
+        } catch (error) { }
+        return super._getProvider(chainId);
+    }
+
+    isCommunityResource(): boolean {
+        return (this.token === defaultToken);
+    }
+
+    static getRequest(network: Network, token?: null | string): FetchRequest {
+        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;
+    }
+}