Integrated CREAM into asset-swapper

contracts/zero-ex/CHANGELOG.json

@@ -65,6 +65,10 @@
             {
                 "note": "Added `Shell` into FQT",
                 "pr": 2722
+            },
+            {
+                "note": "Added `CREAM` into FQT",
+                "pr": 2715
             }
         ]
     },

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

@@ -46,6 +46,7 @@ contract BridgeAdapter is
 {
 
     address private immutable BALANCER_BRIDGE_ADDRESS;
+    address private immutable CREAM_BRIDGE_ADDRESS;
     address private immutable CURVE_BRIDGE_ADDRESS;
     address private immutable KYBER_BRIDGE_ADDRESS;
     address private immutable MOONISWAP_BRIDGE_ADDRESS;
@@ -93,6 +94,7 @@ contract BridgeAdapter is
         SHELL_BRIDGE_ADDRESS = addresses.shellBridge;
         UNISWAP_BRIDGE_ADDRESS = addresses.uniswapBridge;
         UNISWAP_V2_BRIDGE_ADDRESS = addresses.uniswapV2Bridge;
+        CREAM_BRIDGE_ADDRESS = addresses.creamBridge;
     }
 
     function trade(
@@ -170,6 +172,12 @@ contract BridgeAdapter is
                 sellAmount,
                 bridgeData
             );
+        } else if (bridgeAddress == CREAM_BRIDGE_ADDRESS) {
+            boughtAmount = _tradeBalancer(
+                buyToken,
+                sellAmount,
+                bridgeData
+            );
         } else {
             boughtAmount = _tradeZeroExBridge(
                 bridgeAddress,

contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinAdapterAddresses.sol

@@ -24,6 +24,7 @@ contract MixinAdapterAddresses
     struct AdapterAddresses {
         // Bridges
         address balancerBridge;
+        address creamBridge;
         address curveBridge;
         address kyberBridge;
         address mooniswapBridge;

contracts/zero-ex/test/transformers/fill_quote_transformer_test.ts

@@ -75,6 +75,7 @@ blockchainTests.resets('FillQuoteTransformer', env => {
                 weth: NULL_ADDRESS,
                 shellBridge: NULL_ADDRESS,
                 shell: NULL_ADDRESS,
+                creamBridge: NULL_ADDRESS,
             },
         );
         transformer = await FillQuoteTransformerContract.deployFrom0xArtifactAsync(