Merge pull request #21 from balancer/add-base-for-cow

Add support for base network

.env.example

@@ -1,4 +1,5 @@
 SEPOLIA_RPC_URL=
 MAINNET_RPC_URL=
 GNOSIS_RPC_URL=
-ARBITRUM_RPC_URL=
+ARBITRUM_RPC_URL=
+BASE_RPC_URL=

Makefile

@@ -1,6 +1,6 @@
 -include .env
 
-fork: fork-sepolia fork-mainnet fork-gnosis fork-arbitrum
+fork: fork-sepolia fork-mainnet fork-gnosis fork-arbitrum fork-base
 
 fork-%:
 	@echo "Forking the $* network..."

README.md

@@ -35,6 +35,7 @@ SEPOLIA_RPC_URL=
 MAINNET_RPC_URL=
 GNOSIS_RPC_URL=
 ARBITRUM_RPC_URL=
+BASE_RPC_URL=
 ```
 
 2. Add `chains.foundry` as the first item of `targetNetworks` in the `scaffold.config.ts` file
@@ -56,6 +57,7 @@ make fork-sepolia
 make fork-mainnet
 make fork-gnosis
 make fork-arbitrum
+make fork-base
 ```
 
 5. Start the frontend

packages/nextjs/contracts/externalContracts.ts

@@ -1,13 +1,14 @@
 import { abis } from "./abis";
-import { arbitrum, gnosis, mainnet, sepolia } from "viem/chains";
+import { arbitrum, base, gnosis, mainnet, sepolia } from "viem/chains";
 import scaffoldConfig from "~~/scaffold.config";
 import { GenericContractsDeclaration } from "~~/utils/scaffold-eth/contract";
 
 const FACTORY_ADDRESSES = {
-  11155111: "0x1E3D76AC2BB67a2D7e8395d3A624b30AA9056DF9",
-  1: "0xf76c421bAb7df8548604E60deCCcE50477C10462",
-  100: "0x703Bd8115E6F21a37BB5Df97f78614ca72Ad7624",
-  42161: "0xE0e2Ba143EE5268DA87D529949a2521115987302",
+  11155111: "0x1E3D76AC2BB67a2D7e8395d3A624b30AA9056DF9", // Sepolia
+  1: "0xf76c421bAb7df8548604E60deCCcE50477C10462", // Mainnet
+  100: "0x703Bd8115E6F21a37BB5Df97f78614ca72Ad7624", // Gnosis
+  42161: "0xE0e2Ba143EE5268DA87D529949a2521115987302", // Arbitrum
+  8453: "0x03362f847B4fAbC12e1Ce98b6b59F94401E4588e", // Base -> https://basescan.org/address/0x03362f847b4fabc12e1ce98b6b59f94401e4588e#code
 } as const;
 
 const externalContracts = {
@@ -46,6 +47,13 @@ const externalContracts = {
       fromBlock: 248291297n,
     },
   },
+  8453: {
+    BCoWFactory: {
+      address: FACTORY_ADDRESSES[base.id],
+      abi: abis.CoW.BCoWFactory,
+      fromBlock: 23650200n,
+    },
+  },
 } as const;
 
 export default externalContracts satisfies GenericContractsDeclaration;

packages/nextjs/hooks/balancer/useApiConfig.ts

@@ -23,4 +23,5 @@ export const CHAIN_NAMES: { [key: number]: string } = {
   100: "GNOSIS",
   11155111: "SEPOLIA",
   42161: "ARBITRUM",
+  8453: "BASE",
 };

packages/nextjs/hooks/cow/getPoolUrl.ts

@@ -8,6 +8,8 @@ export function getPoolUrl(chainId: number, poolAddress: string) {
       return `https://test.balancer.fi/pools/sepolia/cow/${poolAddress}`;
     case 42161:
       return `https://balancer.fi/pools/arbitrum/cow/${poolAddress}`;
+    case 8453:
+      return `https://balancer.fi/pools/base/cow/${poolAddress}`;
     default:
       return "unknown";
   }

packages/nextjs/scaffold.config.ts

@@ -12,7 +12,7 @@ export type ScaffoldConfig = {
 
 const scaffoldConfig = {
   // The networks on which your DApp is live
-  targetNetworks: [chains.sepolia, chains.mainnet, chains.gnosis, chains.arbitrum],
+  targetNetworks: [chains.sepolia, chains.mainnet, chains.gnosis, chains.arbitrum, chains.base],
 
   // If using chains.foundry as your targetNetwork, you must specify a network to fork
   targetFork: chains.sepolia,