fix: add balancerV2/batch to optimismBridgeAdapter (#578)

* add balancerV2/batch to optimismBridgeAdapter

* changelog

Co-authored-by: Noah Khamliche <0xnoah@Noahs-MacBook-Pro-2.local>
Co-authored-by: Savarn Dontamsetti <sav.dontamsetti@gmail.com>

contracts/zero-ex/contracts/src/transformers/bridges/OptimismBridgeAdapter.sol

@@ -22,6 +22,8 @@ pragma experimental ABIEncoderV2;
 
 import "./AbstractBridgeAdapter.sol";
 import "./BridgeProtocols.sol";
+import "./mixins/MixinBalancerV2.sol";
+import "./mixins/MixinBalancerV2Batch.sol";
 import "./mixins/MixinCurve.sol";
 import "./mixins/MixinCurveV2.sol";
 import "./mixins/MixinNerve.sol";
@@ -32,6 +34,8 @@ import "./mixins/MixinZeroExBridge.sol";
 
 contract OptimismBridgeAdapter is
     AbstractBridgeAdapter(10, "Optimism"),
+    MixinBalancerV2,
+    MixinBalancerV2Batch,
     MixinCurve,
     MixinCurveV2,
     MixinNerve,
@@ -109,6 +113,20 @@ contract OptimismBridgeAdapter is
                 sellAmount,
                 order.bridgeData
             );
+        }else if (protocolId == BridgeProtocols.BALANCERV2) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeBalancerV2(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
+        } else if (protocolId == BridgeProtocols.BALANCERV2BATCH) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeBalancerV2Batch(
+                sellAmount,
+                order.bridgeData
+            );
         } 
 
         emit BridgeFill(

packages/contract-addresses/CHANGELOG.json

@@ -24,6 +24,10 @@
             {
                 "note": "New FQT for Optimism with BalV2",
                 "pr": 577
+            },
+            {
+                "note": "Add balV2/batch to opt bridge adapter code",
+                "pr": 578
             }
         ],
         "timestamp": 1662998180