From f4539e5675f19aab07c493ea7ece1e0c1572b8a5 Mon Sep 17 00:00:00 2001
From: Richard Moore <github@ricmoo.com>
Date: Thu, 20 Oct 2022 04:51:42 -0400
Subject: [PATCH] Inject common networks in main Network object to allow sync
 access to Network at the top-level.

---
 src.ts/providers/index.ts   |  4 +-
 src.ts/providers/network.ts | 96 +++++++++++++++++++++++++++++++++++++
 2 files changed, 99 insertions(+), 1 deletion(-)

diff --git a/src.ts/providers/index.ts b/src.ts/providers/index.ts
index 9f7fea645..7580bb150 100644
--- a/src.ts/providers/index.ts
+++ b/src.ts/providers/index.ts
@@ -22,7 +22,7 @@ export { getDefaultProvider } from "./default-provider.js";
 export { EnsResolver } from "./ens-resolver.js";
 */
 
-export { Network } from "./common-networks.js";
+export { Network } from "./network.js";
 
 export {
     NetworkPlugin,
@@ -47,6 +47,8 @@ export {
 export { FallbackProvider } from "./provider-fallback.js";
 export { JsonRpcApiProvider, JsonRpcProvider, JsonRpcSigner } from "./provider-jsonrpc.js"
 
+export { BrowserProvider } from "./provider-browser.js";
+
 export { AlchemyProvider } from "./provider-alchemy.js";
 export { AnkrProvider } from "./provider-ankr.js";
 export { CloudflareProvider } from "./provider-cloudflare.js";
diff --git a/src.ts/providers/network.ts b/src.ts/providers/network.ts
index 6b5ef44a7..9cbefaeac 100644
--- a/src.ts/providers/network.ts
+++ b/src.ts/providers/network.ts
@@ -4,12 +4,14 @@ import {
 } from "../utils/index.js";
 
 import { EnsPlugin, GasCostPlugin } from "./plugins-network.js";
+//import { EtherscanPlugin } from "./provider-etherscan-base.js";
 
 import type { BigNumberish } from "../utils/index.js";
 import type { TransactionLike } from "../transaction/index.js";
 
 import type { NetworkPlugin } from "./plugins-network.js";
 
+
 /**
  *  A Networkish can be used to allude to a Network, by specifing:
  *  - a [[Network]] object
@@ -176,6 +178,8 @@ export class Network {
      *  Returns a new Network for the %%network%% name or chainId.
      */
     static from(network?: Networkish): Network {
+        injectCommonNetworks();
+
         // Default network
         if (network == null) { return Network.from("mainnet"); }
 
@@ -234,3 +238,95 @@ export class Network {
         Networks.set(nameOrChainId, networkFunc);
     }
 }
+
+
+type Options = {
+    ensNetwork?: number;
+    priorityFee?: number
+    altNames?: Array<string>;
+    etherscan?: { url: string, apiKey: string };
+};
+
+// See: https://chainlist.org
+let injected = false;
+function injectCommonNetworks(): void {
+    if (injected) { return; }
+    injected = true;
+
+    /// Register popular Ethereum networks
+    function registerEth(name: string, chainId: number, options: Options): void {
+        const func = function() {
+            const network = new Network(name, chainId);
+
+            // We use 0 to disable ENS
+            if (options.ensNetwork != null) {
+                network.attachPlugin(new EnsPlugin(null, options.ensNetwork));
+            }
+
+            if (options.priorityFee) {
+//                network.attachPlugin(new MaxPriorityFeePlugin(options.priorityFee));
+            }
+/*
+            if (options.etherscan) {
+                const { url, apiKey } = options.etherscan;
+                network.attachPlugin(new EtherscanPlugin(url, apiKey));
+            }
+*/
+            network.attachPlugin(new GasCostPlugin());
+
+            return network;
+        };
+
+        // Register the network by name and chain ID
+        Network.register(name, func);
+        Network.register(chainId, func);
+
+        if (options.altNames) {
+            options.altNames.forEach((name) => {
+                Network.register(name, func);
+            });
+        }
+    }
+
+    registerEth("mainnet", 1, { ensNetwork: 1, altNames: [ "homestead" ] });
+    registerEth("ropsten", 3, { ensNetwork: 3 });
+    registerEth("rinkeby", 4, { ensNetwork: 4 });
+    registerEth("goerli", 5, { ensNetwork: 5 });
+    registerEth("kovan", 42, { ensNetwork: 42 });
+
+    registerEth("classic", 61, { });
+    registerEth("classicKotti", 6, { });
+
+    registerEth("xdai", 100, { ensNetwork: 1 });
+
+    // Polygon has a 35 gwei maxPriorityFee requirement
+    registerEth("matic", 137, {
+        ensNetwork: 1,
+//        priorityFee: 35000000000,
+        etherscan: {
+            apiKey: "W6T8DJW654GNTQ34EFEYYP3EZD9DD27CT7",
+            url: "https:/\/api.polygonscan.com/"
+        }
+    });
+    registerEth("maticMumbai", 80001, {
+//        priorityFee: 35000000000,
+        etherscan: {
+            apiKey: "W6T8DJW654GNTQ34EFEYYP3EZD9DD27CT7",
+            url: "https:/\/api-testnet.polygonscan.com/"
+        }
+    });
+
+    registerEth("bnb", 56, {
+        ensNetwork: 1,
+        etherscan: {
+            apiKey: "EVTS3CU31AATZV72YQ55TPGXGMVIFUQ9M9",
+            url: "http:/\/api.bscscan.com"
+        }
+    });
+    registerEth("bnbt", 97, {
+        etherscan: {
+            apiKey: "EVTS3CU31AATZV72YQ55TPGXGMVIFUQ9M9",
+            url: "http:/\/api-testnet.bscscan.com"
+        }
+    });
+}