Add BalancerV3 actions to Base and Arbitrum

CHANGELOG.md

@@ -45,6 +45,8 @@ Master list of UniV3 forks:
 * Add UniswapV3 UniV3 fork to Monad Testnet
 * Add UniswapV4 actions to Sepolia
 * Add UniswapV4 actions to Ink
+* Add BalancerV3 actions to Base
+* Add BalancerV3 actions to Arbitrum
 
 ## 2025-01-23
 

src/chains/Arbitrum/Common.sol

@@ -10,6 +10,7 @@ import {DodoV1, IDodoV1} from "../../core/DodoV1.sol";
 import {DodoV2, IDodoV2} from "../../core/DodoV2.sol";
 import {UniswapV4} from "../../core/UniswapV4.sol";
 import {IPoolManager} from "../../core/UniswapV4Types.sol";
+import {BalancerV3} from "../../core/BalancerV3.sol";
 import {FreeMemory} from "../../utils/FreeMemory.sol";
 
 import {ISettlerActions} from "../../ISettlerActions.sol";
@@ -44,7 +45,16 @@ import {ARBITRUM_POOL_MANAGER} from "../../core/UniswapV4Addresses.sol";
 // Solidity inheritance is stupid
 import {SettlerAbstract} from "../../SettlerAbstract.sol";
 
-abstract contract ArbitrumMixin is FreeMemory, SettlerBase, MaverickV2, CurveTricrypto, DodoV1, DodoV2, UniswapV4 {
+abstract contract ArbitrumMixin is
+    FreeMemory,
+    SettlerBase,
+    MaverickV2,
+    CurveTricrypto,
+    DodoV1,
+    DodoV2,
+    UniswapV4,
+    BalancerV3
+{
     constructor() {
         assert(block.chainid == 42161 || block.chainid == 31337);
     }
@@ -71,6 +81,19 @@ abstract contract ArbitrumMixin is FreeMemory, SettlerBase, MaverickV2, CurveTri
             ) = abi.decode(data, (address, IERC20, uint256, bool, uint256, uint256, bytes, uint256));
 
             sellToUniswapV4(recipient, sellToken, bps, feeOnTransfer, hashMul, hashMod, fills, amountOutMin);
+        } else if (action == uint32(ISettlerActions.BALANCERV3.selector)) {
+            (
+                address recipient,
+                IERC20 sellToken,
+                uint256 bps,
+                bool feeOnTransfer,
+                uint256 hashMul,
+                uint256 hashMod,
+                bytes memory fills,
+                uint256 amountOutMin
+            ) = abi.decode(data, (address, IERC20, uint256, bool, uint256, uint256, bytes, uint256));
+
+            sellToBalancerV3(recipient, sellToken, bps, feeOnTransfer, hashMul, hashMod, fills, amountOutMin);
         } else if (action == uint32(ISettlerActions.MAVERICKV2.selector)) {
             (
                 address recipient,

src/chains/Arbitrum/MetaTxn.sol

@@ -40,6 +40,20 @@ contract ArbitrumSettlerMetaTxn is SettlerMetaTxn, ArbitrumMixin {
             );
 
             sellToUniswapV4VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
+        } else if (action == uint32(ISettlerActions.METATXN_BALANCERV3_VIP.selector)) {
+            (
+                address recipient,
+                bool feeOnTransfer,
+                uint256 hashMul,
+                uint256 hashMod,
+                bytes memory fills,
+                ISignatureTransfer.PermitTransferFrom memory permit,
+                uint256 amountOutMin
+            ) = abi.decode(
+                data, (address, bool, uint256, uint256, bytes, ISignatureTransfer.PermitTransferFrom, uint256)
+            );
+
+            sellToBalancerV3VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
         } else if (action == uint32(ISettlerActions.METATXN_MAVERICKV2_VIP.selector)) {
             (
                 address recipient,

src/chains/Arbitrum/TakerSubmitted.sol

@@ -36,6 +36,21 @@ contract ArbitrumSettler is Settler, ArbitrumMixin {
             );
 
             sellToUniswapV4VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
+        } else if (action == uint32(ISettlerActions.BALANCERV3_VIP.selector)) {
+            (
+                address recipient,
+                bool feeOnTransfer,
+                uint256 hashMul,
+                uint256 hashMod,
+                bytes memory fills,
+                ISignatureTransfer.PermitTransferFrom memory permit,
+                bytes memory sig,
+                uint256 amountOutMin
+            ) = abi.decode(
+                data, (address, bool, uint256, uint256, bytes, ISignatureTransfer.PermitTransferFrom, bytes, uint256)
+            );
+
+            sellToBalancerV3VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
         } else if (action == uint32(ISettlerActions.MAVERICKV2_VIP.selector)) {
             (
                 address recipient,

src/chains/Base/Common.sol

@@ -8,6 +8,7 @@ import {DodoV2, IDodoV2} from "../../core/DodoV2.sol";
 import {MaverickV2, IMaverickV2Pool} from "../../core/MaverickV2.sol";
 import {UniswapV4} from "../../core/UniswapV4.sol";
 import {IPoolManager} from "../../core/UniswapV4Types.sol";
+import {BalancerV3} from "../../core/BalancerV3.sol";
 import {FreeMemory} from "../../utils/FreeMemory.sol";
 
 import {ISettlerActions} from "../../ISettlerActions.sol";
@@ -46,7 +47,7 @@ import {BASE_POOL_MANAGER} from "../../core/UniswapV4Addresses.sol";
 // Solidity inheritance is stupid
 import {SettlerAbstract} from "../../SettlerAbstract.sol";
 
-abstract contract BaseMixin is FreeMemory, SettlerBase, MaverickV2, DodoV2, UniswapV4 {
+abstract contract BaseMixin is FreeMemory, SettlerBase, MaverickV2, DodoV2, UniswapV4, BalancerV3 {
     constructor() {
         assert(block.chainid == 8453 || block.chainid == 31337);
     }

src/chains/Base/MetaTxn.sol

@@ -40,6 +40,20 @@ contract BaseSettlerMetaTxn is SettlerMetaTxn, BaseMixin {
             );
 
             sellToUniswapV4VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
+        } else if (action == uint32(ISettlerActions.METATXN_BALANCERV3_VIP.selector)) {
+            (
+                address recipient,
+                bool feeOnTransfer,
+                uint256 hashMul,
+                uint256 hashMod,
+                bytes memory fills,
+                ISignatureTransfer.PermitTransferFrom memory permit,
+                uint256 amountOutMin
+            ) = abi.decode(
+                data, (address, bool, uint256, uint256, bytes, ISignatureTransfer.PermitTransferFrom, uint256)
+            );
+
+            sellToBalancerV3VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
         } else if (action == uint32(ISettlerActions.METATXN_MAVERICKV2_VIP.selector)) {
             (
                 address recipient,

src/chains/Base/TakerSubmitted.sol

@@ -36,6 +36,21 @@ contract BaseSettler is Settler, BaseMixin {
             );
 
             sellToUniswapV4VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
+        } else if (action == uint32(ISettlerActions.BALANCERV3_VIP.selector)) {
+            (
+                address recipient,
+                bool feeOnTransfer,
+                uint256 hashMul,
+                uint256 hashMod,
+                bytes memory fills,
+                ISignatureTransfer.PermitTransferFrom memory permit,
+                bytes memory sig,
+                uint256 amountOutMin
+            ) = abi.decode(
+                data, (address, bool, uint256, uint256, bytes, ISignatureTransfer.PermitTransferFrom, bytes, uint256)
+            );
+
+            sellToBalancerV3VIP(recipient, feeOnTransfer, hashMul, hashMod, fills, permit, sig, amountOutMin);
         } else if (action == uint32(ISettlerActions.MAVERICKV2_VIP.selector)) {
             (
                 address recipient,

src/core/UniswapV4.sol

@@ -11,9 +11,7 @@ import {UnsafeMath} from "../utils/UnsafeMath.sol";
 
 import {TooMuchSlippage, DeltaNotPositive, DeltaNotNegative, ZeroSellAmount} from "./SettlerErrors.sol";
 
-import {
-    BalanceDelta, IHooks, IPoolManager, UnsafePoolManager, IUnlockCallback
-} from "./UniswapV4Types.sol";
+import {BalanceDelta, IHooks, IPoolManager, UnsafePoolManager, IUnlockCallback} from "./UniswapV4Types.sol";
 import {Encoder, NotesLib, StateLib, Decoder, Take} from "./FlashAccountingCommon.sol";
 
 library CreditDebt {