diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0510cefca6..3f56e7983d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 parameters:
     cache_version:
         type: string
-        default: v4
+        default: v5
 
 jobs:
     build:
@@ -18,7 +18,7 @@ jobs:
             - run: echo 'export PATH=$HOME/CIRCLE_PROJECT_REPONAME/node_modules/.bin:$PATH' >> $BASH_ENV
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-feat/NerveMixinArbitrum
             - restore_cache:
                   keys:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
@@ -33,46 +33,46 @@ jobs:
             - save_cache:
                   key: cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
                   paths:
-                      - ~/project/contracts/erc20/node_modules
-                      - ~/project/contracts/test-utils/node_modules
-                      - ~/project/contracts/treasury/node_modules
-                      - ~/project/contracts/utils/node_modules
-                      - ~/project/contracts/zero-ex/node_modules
                       - ~/project/node_modules
-                      - ~/project/packages/asset-swapper/node_modules
-                      - ~/project/packages/contract-addresses/node_modules
-                      - ~/project/packages/contract-artifacts/node_modules
-                      - ~/project/packages/contract-wrappers/node_modules
-                      - ~/project/packages/protocol-utils/node_modules
                       - ~/.cache/yarn
             - save_cache:
-                  key: lib-{{ .Environment.CIRCLE_BRANCH }}
+                  key: lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
                   paths:
                       - ~/project/contracts/erc20/generated-artifacts/
                       - ~/project/contracts/erc20/generated-wrappers/
                       - ~/project/contracts/erc20/lib/
+                      - ~/project/contracts/erc20/node_modules
                       - ~/project/contracts/erc20/test/generated-artifacts/
                       - ~/project/contracts/erc20/test/generated-wrappers/
                       - ~/project/contracts/test-utils/lib/
+                      - ~/project/contracts/test-utils/node_modules
                       - ~/project/contracts/treasury/generated-artifacts/
                       - ~/project/contracts/treasury/generated-wrappers/
                       - ~/project/contracts/treasury/lib/
+                      - ~/project/contracts/treasury/node_modules
                       - ~/project/contracts/treasury/test/generated-artifacts/
                       - ~/project/contracts/treasury/test/generated-wrappers/
                       - ~/project/contracts/utils/generated-artifacts/
                       - ~/project/contracts/utils/generated-wrappers/
                       - ~/project/contracts/utils/lib/
+                      - ~/project/contracts/utils/node_modules
                       - ~/project/contracts/utils/test/generated-artifacts/
                       - ~/project/contracts/utils/test/generated-wrappers/
                       - ~/project/contracts/zero-ex/generated-artifacts/
                       - ~/project/contracts/zero-ex/generated-wrappers/
                       - ~/project/contracts/zero-ex/lib/
+                      - ~/project/contracts/zero-ex/node_modules
                       - ~/project/contracts/zero-ex/test/generated-artifacts/
                       - ~/project/contracts/zero-ex/test/generated-wrappers/
+                      - ~/project/packages/asset-swapper/node_modules
                       - ~/project/packages/contract-addresses/lib/
+                      - ~/project/packages/contract-addresses/node_modules
                       - ~/project/packages/contract-artifacts/lib/
+                      - ~/project/packages/contract-artifacts/node_modules
                       - ~/project/packages/contract-wrappers/lib/
+                      - ~/project/packages/contract-wrappers/node_modules
                       - ~/project/packages/protocol-utils/lib/
+                      - ~/project/packages/protocol-utils/node_modules
             - store_artifacts:
                   path: ~/repo/packages/abi-gen/test-cli/output
             - store_artifacts:
@@ -88,7 +88,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: yarn wsrun -p @0x/contracts-exchange -m --serial -c test:circleci
     test-integrations-ganache:
         resource_class: xlarge
@@ -101,7 +101,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: yarn wsrun -p @0x/contracts-integrations -m --serial -c test:circleci
     test-contracts-staking-ganache:
         resource_class: xlarge
@@ -112,7 +112,7 @@ jobs:
             - restore_cache:
                   keys:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: yarn wsrun -p @0x/contracts-staking -m --serial -c test:circleci
     test-contracts-extra-ganache:
         resource_class: xlarge
@@ -125,7 +125,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: yarn wsrun -p @0x/contracts-exchange-forwarder -p @0x/contracts-coordinator -m --serial -c test:circleci
     test-contracts-rest-ganache:
         resource_class: xlarge
@@ -143,7 +143,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: |
                   yarn wsrun \
                     -p @0x/contracts-multisig \
@@ -173,7 +173,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: git submodule update --init --recursive
             - run:
                 command: forge test
@@ -198,7 +198,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run:
                   command: yarn test:publish:circleci
                   no_output_timeout: 1800
@@ -214,7 +214,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run:
                   command: yarn test:generate_docs:circleci
                   no_output_timeout: 1200
@@ -230,7 +230,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run: yarn wsrun -p @0x/contracts-test-utils -m --serial -c test:circleci
             - run: yarn wsrun -p @0x/contract-addresses -m --serial -c test:circleci
             - run: yarn wsrun -p @0x/contract-artifacts -m --serial -c test:circleci
@@ -257,7 +257,10 @@ jobs:
             - restore_cache:
                   keys:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
+            - restore_cache:
+                  keys:
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - run:
                   command: yarn lerna run lint
             - run:
@@ -275,7 +278,7 @@ jobs:
                       - cache-{{ checksum "yarn.lock" }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
-                      - lib-{{ .Environment.CIRCLE_BRANCH }}
+                      - lib-{{ .Environment.CIRCLE_BRANCH }}-<< pipeline.parameters.cache_version >>
             - restore_cache:
                   keys:
                       - coverage-contract-wrappers-test-{{ checksum "yarn.lock" }}
diff --git a/contracts/zero-ex/contracts/src/transformers/bridges/ArbitrumBridgeAdapter.sol b/contracts/zero-ex/contracts/src/transformers/bridges/ArbitrumBridgeAdapter.sol
index eb5c304746..e60c17820e 100644
--- a/contracts/zero-ex/contracts/src/transformers/bridges/ArbitrumBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/ArbitrumBridgeAdapter.sol
@@ -23,19 +23,29 @@ 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/MixinDodoV2.sol";
+import "./mixins/MixinKyberDmm.sol";
 import "./mixins/MixinGMX.sol";
+import "./mixins/MixinNerve.sol";
 import "./mixins/MixinUniswapV3.sol";
+import "./mixins/MixinUniswapV2.sol";
 import "./mixins/MixinZeroExBridge.sol";
 
 contract ArbitrumBridgeAdapter is
     AbstractBridgeAdapter(42161, "Arbitrum"),
     MixinBalancerV2,
+    MixinBalancerV2Batch,
     MixinCurve,
+    MixinCurveV2,
     MixinDodoV2,
+    MixinKyberDmm,
     MixinGMX,
+    MixinNerve,
     MixinUniswapV3,
+    MixinUniswapV2,
     MixinZeroExBridge
 {
     constructor(IEtherTokenV06 weth)
@@ -63,6 +73,12 @@ contract ArbitrumBridgeAdapter is
                 sellAmount,
                 order.bridgeData
             );
+        } else if (protocolId == BridgeProtocols.BALANCERV2BATCH) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeBalancerV2Batch(
+                sellAmount,
+                order.bridgeData
+            );
         } else if (protocolId == BridgeProtocols.CURVE) {
             if (dryRun) { return (0, true); }
             boughtAmount = _tradeCurve(
@@ -71,6 +87,14 @@ contract ArbitrumBridgeAdapter is
                 sellAmount,
                 order.bridgeData
             );
+        } else if (protocolId == BridgeProtocols.CURVEV2) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeCurveV2(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
         } else if (protocolId == BridgeProtocols.DODOV2) {
             if (dryRun) { return (0, true); }
             boughtAmount = _tradeDodoV2(
@@ -78,6 +102,13 @@ contract ArbitrumBridgeAdapter is
                 sellAmount,
                 order.bridgeData
             );
+        } else if (protocolId == BridgeProtocols.KYBERDMM) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeKyberDmm(
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
         } else if (protocolId == BridgeProtocols.UNISWAPV3) {
             if (dryRun) { return (0, true); }
             boughtAmount = _tradeUniswapV3(
@@ -85,9 +116,23 @@ contract ArbitrumBridgeAdapter is
                 sellAmount,
                 order.bridgeData
             );
+        } else if (protocolId == BridgeProtocols.UNISWAPV2) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeUniswapV2(
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
         } else if (protocolId == BridgeProtocols.GMX) {
             if (dryRun) { return (0, true); }
             boughtAmount = _tradeGMX(
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
+        } else if (protocolId == BridgeProtocols.NERVE) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeNerve(
                 sellToken,
                 sellAmount,
                 order.bridgeData
diff --git a/packages/protocol-utils/src/transformer_utils.ts b/packages/protocol-utils/src/transformer_utils.ts
index ca19978168..f424ce983f 100644
--- a/packages/protocol-utils/src/transformer_utils.ts
+++ b/packages/protocol-utils/src/transformer_utils.ts
@@ -105,8 +105,8 @@ export enum FillQuoteTransformerSide {
 export enum FillQuoteTransformerOrderType {
     Bridge,
     Limit,
-    Otc,
     Rfq,
+    Otc,
 }
 
 /**