Update to deploy 12

.github/workflows/lint.yaml

@@ -36,16 +36,17 @@ jobs:
         run: yarn install --immutable
 
       - name: Run foundry anvil fork
-        run: yarn fork &
+        run: yarn fork --network mainnet &
         env:
           SEPOLIA_RPC_URL: ${{ secrets.SEPOLIA_RPC_URL }}
+          MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
 
       - name: Deploy contracts to anvil fork
         run: yarn deploy
         env:
           DEPLOYER_PRIVATE_KEY: ${{ secrets.DEPLOYER_PRIVATE_KEY }}
           SEPOLIA_RPC_URL: ${{ secrets.SEPOLIA_RPC_URL }}
-
+          MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
       - name: Run nextjs lint
         run: yarn next:lint --max-warnings=0
 

README.md

@@ -46,19 +46,26 @@ cd scaffold-balancer-v3
 yarn install
 ```
 
-3. Set a `SEPOLIA_RPC_URL` in the `packages/foundry/.env` file
+3. Set the follwing RPC URLs in the `packages/foundry/.env` file
 
 ```
-SEPOLIA_RPC_URL=...
+SEPOLIA_RPC_URL=
+MAINNET_RPC_URL=
+GNOSIS_RPC_URL=
 ```
 
-4. Start a local anvil fork of the Sepolia testnet
+4. Start a local anvil fork of Ethereum mainnet
+   > To fork gnosis:
+   >
+   > 1. Change `targetFork` in `scaffold.config.ts` to `chains.gnosis`
+   > 2. Make sure the right addresses are un-commented in `PoolHelpers.sol`
+   > 3. Run `yarn fork --network gnosis`
 
 ```bash
-yarn fork
+yarn fork --network mainnet
 ```
 
-5. Deploy the mock tokens, pool factories, pool hooks, and custom pools contracts
+1. Deploy the mock tokens, pool factories, pool hooks, and custom pools contracts
    > By default, the anvil account #0 will be the deployer and recieve the mock tokens and BPT from pool initialization
 
 ```bash

packages/foundry/.env.example

@@ -1,2 +1,4 @@
 DEPLOYER_PRIVATE_KEY=
-SEPOLIA_RPC_URL=
+SEPOLIA_RPC_URL=
+MAINNET_RPC_URL=
+GNOSIS_RPC_URL=

packages/foundry/contracts/hooks/LotteryHookExample.sol

@@ -2,12 +2,12 @@
 
 pragma solidity ^0.8.24;
 
+import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
-import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 
-import { IHooks } from "@balancer-labs/v3-interfaces/contracts/vault/IHooks.sol";
 import { IRouterCommon } from "@balancer-labs/v3-interfaces/contracts/vault/IRouterCommon.sol";
+import { IHooks } from "@balancer-labs/v3-interfaces/contracts/vault/IHooks.sol";
 import { IVault } from "@balancer-labs/v3-interfaces/contracts/vault/IVault.sol";
 import {
     AfterSwapParams,
@@ -35,7 +35,6 @@ contract LotteryHookExample is BaseHooks, VaultGuard, Ownable {
 
     // Trusted router is needed since we rely on `getSender` to know which user should receive the prize.
     address private immutable _trustedRouter;
-    address private immutable _allowedFactory;
 
     // When calling `onAfterSwap`, a random number is generated. If the number is equal to LUCKY_NUMBER, the user will
     // win the accrued fees. It must be a number between 1 and MAX_NUMBER, or else nobody will win.
@@ -128,7 +127,7 @@ contract LotteryHookExample is BaseHooks, VaultGuard, Ownable {
     ) public override onlyVault returns (bool success, uint256 hookAdjustedAmountCalculatedRaw) {
         uint8 drawnNumber;
         if (params.router == _trustedRouter) {
-            // If the router is trusted, draw a number as a lottery entry. (If router is not trusted, the user can
+            // If the Router is trusted, draw a number as a lottery entry. (If router is not trusted, the user can
             // perform swaps and contribute to the pot, but is not eligible to win.)
             drawnNumber = _getRandomNumber();
         }
@@ -146,7 +145,7 @@ contract LotteryHookExample is BaseHooks, VaultGuard, Ownable {
                 // The preceding swap operation has already credited the original `amountCalculated`. Since we're
                 // returning `amountCalculated - feeToPay` here, it will only register debt for that reduced amount
                 // on settlement. This call to `sendTo` pulls `feeToPay` tokens of `tokenOut` from the Vault to this
-                // contract, and registers the additional debt, so that the total debts match the credits and
+                // contract, and registers the additional debt, so that the total debits match the credits and
                 // settlement succeeds.
                 uint256 feeToPay = _chargeFeeOrPayWinner(params.router, drawnNumber, params.tokenOut, hookFee);
                 if (feeToPay > 0) {
@@ -159,7 +158,7 @@ contract LotteryHookExample is BaseHooks, VaultGuard, Ownable {
                 // The preceding swap operation has already registered debt for the original `amountCalculated`.
                 // Since we're returning `amountCalculated + feeToPay` here, it will supply credit for that increased
                 // amount on settlement. This call to `sendTo` pulls `feeToPay` tokens of `tokenIn` from the Vault to
-                // this contract, and registers the additional debt, so that the total debts match the credits and
+                // this contract, and registers the additional debt, so that the total debits match the credits and
                 // settlement succeeds.
 
                 uint256 feeToPay = _chargeFeeOrPayWinner(params.router, drawnNumber, params.tokenIn, hookFee);
@@ -234,7 +233,7 @@ contract LotteryHookExample is BaseHooks, VaultGuard, Ownable {
             _tokensWithAccruedFees.set(token, 1);
 
             if (hookFee > 0) {
-                // Collect fees from the Vault; the user will pay them when the router settles the swap.
+                // Collect fees from the Vault; the user will pay them when the Router settles the swap.
                 _vault.sendTo(token, address(this), hookFee);
 
                 emit LotteryFeeCollected(address(this), token, hookFee);

packages/foundry/contracts/hooks/VeBALFeeDiscountHookExample.sol

@@ -5,8 +5,8 @@ pragma solidity ^0.8.24;
 import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 
 import { IBasePoolFactory } from "@balancer-labs/v3-interfaces/contracts/vault/IBasePoolFactory.sol";
-import { IHooks } from "@balancer-labs/v3-interfaces/contracts/vault/IHooks.sol";
 import { IRouterCommon } from "@balancer-labs/v3-interfaces/contracts/vault/IRouterCommon.sol";
+import { IHooks } from "@balancer-labs/v3-interfaces/contracts/vault/IHooks.sol";
 import { IVault } from "@balancer-labs/v3-interfaces/contracts/vault/IVault.sol";
 import {
     LiquidityManagement,
@@ -78,7 +78,7 @@ contract VeBALFeeDiscountHookExample is BaseHooks, VaultGuard {
         address,
         uint256 staticSwapFeePercentage
     ) public view override onlyVault returns (bool, uint256) {
-        // If the router is not trusted, do not apply the veBAL discount. `getSender` may be manipulated by a
+        // If the Router is not trusted, do not apply the veBAL discount. `getSender` may be manipulated by a
         // malicious router.
         if (params.router != _trustedRouter) {
             return (true, staticSwapFeePercentage);

packages/foundry/foundry.toml

@@ -15,6 +15,8 @@ fs_permissions = [{ access = "read-write", path = "./"}] # SE-2 default to allow
 default_network = "http://127.0.0.1:8545"
 localhost = "http://127.0.0.1:8545"
 sepolia = "${SEPOLIA_RPC_URL}"
+mainnet = "${MAINNET_RPC_URL}"
+gnosis = "${GNOSIS_RPC_URL}"
 
 
 # [etherscan]

packages/foundry/package.json

@@ -7,7 +7,7 @@
     "compile": "forge compile",
     "deploy": "forge build --build-info --build-info-path out/build-info/ && forge script script/Deploy.s.sol --rpc-url ${1:-default_network} --broadcast --slow && node scripts-js/generateTsAbis.js",
     "flatten": "forge flatten",
-    "fork": "anvil --fork-url ${0:-sepolia} --chain-id 31337 --config-out localhost.json",
+    "fork": "anvil --fork-url ${1:-default_network} --chain-id 31337 --config-out localhost.json",
     "format": "npx prettier --write --plugin=prettier-plugin-solidity 'contracts/**/*.sol' 'test/**/*.sol' 'script/*.sol' 'utils/*.sol'",
     "generate": "node script/generateAccount.js",
     "lint": "npx prettier --check --plugin=prettier-plugin-solidity 'contracts/**/*.sol' 'test/**/*.sol' && prettier --check ./script/**/*.js",

packages/foundry/script/00_DeployMockTokens.s.sol

@@ -20,8 +20,8 @@ contract DeployMockTokens is ScaffoldHelpers {
         vm.startBroadcast(deployerPrivateKey);
 
         // Used to register & initialize pool contracts
-        mockToken1 = address(new MockToken1("Mock Token 1", "MT1", 1000e18));
-        mockToken2 = address(new MockToken2("Mock Token 2", "MT2", 1000e18));
+        mockToken1 = address(new MockToken1("Pepe the Frog", "PEPE", 1000e18));
+        mockToken2 = address(new MockToken2("Department of Government Efficiency", "DOGE", 1000e18));
         console.log("MockToken1 deployed at: %s", mockToken1);
         console.log("MockToken2 deployed at: %s", mockToken2);
 

packages/foundry/script/PoolHelpers.sol

@@ -12,17 +12,29 @@ import { IPermit2 } from "permit2/src/interfaces/IPermit2.sol";
 import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol";
 import { IVault } from "@balancer-labs/v3-interfaces/contracts/vault/IVault.sol";
 import { IRouter } from "@balancer-labs/v3-interfaces/contracts/vault/IRouter.sol";
+import { console } from "forge-std/Script.sol";
 
 /**
  * @title Pool Helpers
- * @notice Helpful types, interface instances, and functions for deploying pools on Balancer v3
+ * @notice Helpful addresses,functions, and types for deploying pools on Balancer v3
+ * @dev the block.chainid will always be 31337 when deploying to local anvil fork
  */
 contract PoolHelpers {
-    // Balancer v3 Sepolia addresses (8th testnet release)
-    IVault internal vault = IVault(0x0EF1c156a7986F394d90eD1bEeA6483Cc435F542);
-    IRouter internal router = IRouter(0xB12FcB422aAe6720f882E22C340964a7723f2387);
-    IBatchRouter internal batchRouter = IBatchRouter(0x0418001D0d68C71d0E391fE46dC7aFCe045f34A0);
-    IPermit2 internal permit2 = IPermit2(0x000000000022D473030F116dDEE9F6B43aC78BA3);
+    // Same on all chains
+    IPermit2 internal permit2 = IPermit2(0x000000000022D473030F116dDEE9F6B43aC78BA3); // same on all chains
+    IVault internal vault = IVault(0xbA1333333333a1BA1108E8412f11850A5C319bA9);
+
+    // Mainnet
+    IRouter internal router = IRouter(0x5C6fb490BDFD3246EB0bB062c168DeCAF4bD9FDd);
+    IBatchRouter internal batchRouter = IBatchRouter(0x136f1EFcC3f8f88516B9E94110D56FDBfB1778d1);
+
+    // Gnosis
+    //  IRouter internal router =  IRouter(0x84813aA3e079A665C0B80F944427eE83cBA63617);
+    // IBatchRouter internal batchRouter = IBatchRouter(0xe2fa4e1d17725e72dcdAfe943Ecf45dF4B9E285b);
+
+    // Sepolia
+    // IRouter internal router = IRouter(0x0BF61f706105EA44694f2e92986bD01C39930280);
+    // IBatchRouter internal batchRouter IBatchRouter(0xC85b652685567C1B074e8c0D4389f83a2E458b1C);
 
     /**
      * Sorts the tokenConfig array into alphanumeric order

packages/foundry/script/ScaffoldHelpers.sol

@@ -28,7 +28,7 @@ contract ScaffoldHelpers is Script {
             deployerPrivateKey = 0;
         }
 
-        if (block.chainid == 31337 && deployerPrivateKey == 0) {
+        if (deployerPrivateKey == 0) {
             root = vm.projectRoot();
             path = string.concat(root, "/localhost.json");
             string memory json = vm.readFile(path);