Publish

- @0x/contracts-erc20@3.3.36 - @0x/contracts-test-utils@5.4.27 - @0x/contracts-treasury@1.4.19 - @0x/contracts-utils@4.8.17 - @0x/contracts-zero-ex@0.36.3 - @0x/asset-swapper@16.66.3 - @0x/contract-addresses@6.19.2 - @0x/contract-wrappers@13.20.8 - @0x/protocol-utils@11.16.3
Updated CHANGELOGS & MD docs
2022-08-10 01:12:34 +00:00 · 2022-08-10 01:12:31 +00:00 · 2022-08-10 09:43:42 +09:00 · 2022-08-09 19:27:28 +00:00 · 2022-08-09 19:27:24 +00:00 · 2022-08-09 13:31:37 +09:00
79 changed files with 2448 additions and 411 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -10,6 +10,7 @@ jobs:
        working_directory: ~/repo
        steps:
            - checkout
+            - run: git submodule update --init --recursive
            - run: echo 'export PATH=$HOME/CIRCLE_PROJECT_REPONAME/node_modules/.bin:$PATH' >> $BASH_ENV
            - run:
                  name: install-yarn
@@ -77,6 +78,17 @@ jobs:
                  keys:
                      - repo-{{ .Environment.CIRCLE_SHA1 }}
            - run: yarn wsrun -p @0x/contracts-multisig -p @0x/contracts-utils -p @0x/contracts-exchange-libs -p  @0x/contracts-erc20 -p @0x/contracts-erc721 -p @0x/contracts-erc1155 -p @0x/contracts-asset-proxy -p @0x/contracts-broker -p @0x/contracts-zero-ex -m --serial -c test:circleci
+    test-foundry:
+        resource_class: medium+
+        docker:
+            - image: ghcr.io/foundry-rs/foundry:latest
+        working_directory: ~/repo/contracts/zero-ex
+        steps:
+            - restore_cache:
+                  keys:
+                      - repo-{{ .Environment.CIRCLE_SHA1 }}
+            # - run: forge install
+            - run: forge test
    test-publish:
        resource_class: large
        environment:
@@ -181,6 +193,9 @@ workflows:
            # - test-contracts-extra-ganache:
            #       requires:
            #           - build
+            - test-foundry:
+                  requires:
+                    - build
            - test-contracts-rest-ganache:
                  requires:
                      - build
--- a/.gitignore
+++ b/.gitignore
@@ -173,6 +173,15 @@ contracts/zero-ex/test/generated-wrappers/
 contracts/treasury/generated-wrappers/
 contracts/treasury/test/generated-wrappers/

+# foundry artifacts
+contracts/zero-ex/foundry-artifacts/
+
+# foundry cache 
+contracts/zero-ex/foundry-cache/
+
+# typechain wrappers
+contracts/zero-ex/typechain-wrappers/
+
 # Doc README copy
 packages/*/docs/README.md

--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "contracts/zero-ex/contracts/deps/forge-std"]
+	path = contracts/zero-ex/contracts/deps/forge-std
+	url = https://github.com/foundry-rs/forge-std
--- a/contracts/erc20/CHANGELOG.json
+++ b/contracts/erc20/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "3.3.36",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "3.3.35",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "3.3.34",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1658950329,
        "version": "3.3.33",
--- a/contracts/erc20/CHANGELOG.md
+++ b/contracts/erc20/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v3.3.36 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v3.3.35 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v3.3.34 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v3.3.33 - _July 27, 2022_

    * Dependencies updated
--- a/contracts/erc20/package.json
+++ b/contracts/erc20/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-erc20",
-    "version": "3.3.33",
+    "version": "3.3.36",
    "engines": {
        "node": ">=6.12"
    },
@@ -53,8 +53,8 @@
    "devDependencies": {
        "@0x/abi-gen": "^5.8.0",
        "@0x/contracts-gen": "^2.0.46",
-        "@0x/contracts-test-utils": "^5.4.24",
-        "@0x/contracts-utils": "^4.8.14",
+        "@0x/contracts-test-utils": "^5.4.27",
+        "@0x/contracts-utils": "^4.8.17",
        "@0x/dev-utils": "^4.2.14",
        "@0x/sol-compiler": "^4.8.1",
        "@0x/ts-doc-gen": "^0.0.28",
--- a/contracts/test-utils/CHANGELOG.json
+++ b/contracts/test-utils/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "5.4.27",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "5.4.26",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "5.4.25",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1658950329,
        "version": "5.4.24",
--- a/contracts/test-utils/CHANGELOG.md
+++ b/contracts/test-utils/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v5.4.27 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v5.4.26 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v5.4.25 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v5.4.24 - _July 27, 2022_

    * Dependencies updated
--- a/contracts/test-utils/package.json
+++ b/contracts/test-utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-test-utils",
-    "version": "5.4.24",
+    "version": "5.4.27",
    "engines": {
        "node": ">=6.12"
    },
@@ -44,7 +44,7 @@
    "dependencies": {
        "@0x/assert": "^3.0.34",
        "@0x/base-contract": "^6.5.0",
-        "@0x/contract-addresses": "^6.17.0",
+        "@0x/contract-addresses": "^6.19.2",
        "@0x/dev-utils": "^4.2.14",
        "@0x/json-schemas": "^6.4.4",
        "@0x/order-utils": "^10.4.28",
--- a/contracts/treasury/CHANGELOG.json
+++ b/contracts/treasury/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "1.4.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "1.4.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "1.4.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1658950329,
        "version": "1.4.16",
--- a/contracts/treasury/CHANGELOG.md
+++ b/contracts/treasury/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v1.4.19 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v1.4.18 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v1.4.17 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v1.4.16 - _July 27, 2022_

    * Dependencies updated
--- a/contracts/treasury/package.json
+++ b/contracts/treasury/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-treasury",
-    "version": "1.4.16",
+    "version": "1.4.19",
    "engines": {
        "node": ">=6.12"
    },
@@ -47,12 +47,12 @@
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/treasury",
    "devDependencies": {
        "@0x/abi-gen": "^5.8.0",
-        "@0x/contract-addresses": "^6.17.0",
+        "@0x/contract-addresses": "^6.19.2",
        "@0x/contracts-asset-proxy": "^3.7.19",
-        "@0x/contracts-erc20": "^3.3.33",
+        "@0x/contracts-erc20": "^3.3.36",
        "@0x/contracts-gen": "^2.0.46",
        "@0x/contracts-staking": "^2.0.45",
-        "@0x/contracts-test-utils": "^5.4.24",
+        "@0x/contracts-test-utils": "^5.4.27",
        "@0x/sol-compiler": "^4.8.1",
        "@0x/ts-doc-gen": "^0.0.28",
        "@0x/tslint-config": "^4.1.4",
@@ -73,7 +73,7 @@
    },
    "dependencies": {
        "@0x/base-contract": "^6.5.0",
-        "@0x/protocol-utils": "^11.16.0",
+        "@0x/protocol-utils": "^11.16.3",
        "@0x/subproviders": "^6.6.5",
        "@0x/types": "^3.3.6",
        "@0x/typescript-typings": "^5.3.1",
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "4.8.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "4.8.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "4.8.15",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1658950329,
        "version": "4.8.14",
--- a/contracts/utils/CHANGELOG.md
+++ b/contracts/utils/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v4.8.17 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v4.8.16 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v4.8.15 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v4.8.14 - _July 27, 2022_

    * Dependencies updated
--- a/contracts/utils/package.json
+++ b/contracts/utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-utils",
-    "version": "4.8.14",
+    "version": "4.8.17",
    "engines": {
        "node": ">=6.12"
    },
@@ -52,7 +52,7 @@
    "devDependencies": {
        "@0x/abi-gen": "^5.8.0",
        "@0x/contracts-gen": "^2.0.46",
-        "@0x/contracts-test-utils": "^5.4.24",
+        "@0x/contracts-test-utils": "^5.4.27",
        "@0x/dev-utils": "^4.2.14",
        "@0x/order-utils": "^10.4.28",
        "@0x/sol-compiler": "^4.8.1",
--- a/contracts/zero-ex/CHANGELOG.json
+++ b/contracts/zero-ex/CHANGELOG.json
@@ -1,4 +1,32 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "0.36.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "0.36.2",
+        "changes": [
+            {
+                "note": "Add Foundry support",
+                "pr": 534
+            }
+        ],
+        "timestamp": 1659976271
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "0.36.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "version": "0.36.0",
        "changes": [
--- a/contracts/zero-ex/CHANGELOG.md
+++ b/contracts/zero-ex/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v0.36.3 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v0.36.2 - _August 8, 2022_
+
+    * Add Foundry support (#534)
+
+## v0.36.1 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v0.36.0 - _July 27, 2022_

    * Add Synthetix support in Ethereum and Optimism bridge adapters (#518)
--- a/contracts/zero-ex/README.md
+++ b/contracts/zero-ex/README.md
@@ -2,6 +2,10 @@

 This package contains contracts for the ZeroEx extensible contract architecture.

+> **_NOTE:_**  This repo is undergoing a tooling change. If adding a contract, you will need to
+> add it to `compiler.json`. You can generate the entire list by running the following:
+> `find . -type f -name "*.sol" | grep -v foundry | grep -v "contracts/dep" | grep -v "node_modules"`
+
 ## Installation

 **Install**
--- a/contracts/zero-ex/compiler.json
+++ b/contracts/zero-ex/compiler.json
@@ -1,6 +1,212 @@
 {
    "artifactsDir": "./test/generated-artifacts",
    "contractsDir": "./contracts",
+    "contracts": [
+        "./contracts/src/IZeroEx.sol",
+        "./contracts/src/ZeroEx.sol",
+        "./contracts/src/ZeroExOptimized.sol",
+        "./contracts/src/errors/LibCommonRichErrors.sol",
+        "./contracts/src/errors/LibLiquidityProviderRichErrors.sol",
+        "./contracts/src/errors/LibMetaTransactionsRichErrors.sol",
+        "./contracts/src/errors/LibNFTOrdersRichErrors.sol",
+        "./contracts/src/errors/LibNativeOrdersRichErrors.sol",
+        "./contracts/src/errors/LibOwnableRichErrors.sol",
+        "./contracts/src/errors/LibProxyRichErrors.sol",
+        "./contracts/src/errors/LibSignatureRichErrors.sol",
+        "./contracts/src/errors/LibSimpleFunctionRegistryRichErrors.sol",
+        "./contracts/src/errors/LibTransformERC20RichErrors.sol",
+        "./contracts/src/errors/LibWalletRichErrors.sol",
+        "./contracts/src/external/FeeCollector.sol",
+        "./contracts/src/external/FeeCollectorController.sol",
+        "./contracts/src/external/FlashWallet.sol",
+        "./contracts/src/external/IFlashWallet.sol",
+        "./contracts/src/external/ILiquidityProviderSandbox.sol",
+        "./contracts/src/external/LibFeeCollector.sol",
+        "./contracts/src/external/LiquidityProviderSandbox.sol",
+        "./contracts/src/external/PermissionlessTransformerDeployer.sol",
+        "./contracts/src/external/TransformerDeployer.sol",
+        "./contracts/src/features/BatchFillNativeOrdersFeature.sol",
+        "./contracts/src/features/BootstrapFeature.sol",
+        "./contracts/src/features/ERC165Feature.sol",
+        "./contracts/src/features/FundRecoveryFeature.sol",
+        "./contracts/src/features/LiquidityProviderFeature.sol",
+        "./contracts/src/features/MetaTransactionsFeature.sol",
+        "./contracts/src/features/NativeOrdersFeature.sol",
+        "./contracts/src/features/OtcOrdersFeature.sol",
+        "./contracts/src/features/OwnableFeature.sol",
+        "./contracts/src/features/PancakeSwapFeature.sol",
+        "./contracts/src/features/SimpleFunctionRegistryFeature.sol",
+        "./contracts/src/features/TransformERC20Feature.sol",
+        "./contracts/src/features/UniswapFeature.sol",
+        "./contracts/src/features/UniswapV3Feature.sol",
+        "./contracts/src/features/interfaces/IBatchFillNativeOrdersFeature.sol",
+        "./contracts/src/features/interfaces/IBootstrapFeature.sol",
+        "./contracts/src/features/interfaces/IERC1155OrdersFeature.sol",
+        "./contracts/src/features/interfaces/IERC165Feature.sol",
+        "./contracts/src/features/interfaces/IERC721OrdersFeature.sol",
+        "./contracts/src/features/interfaces/IFeature.sol",
+        "./contracts/src/features/interfaces/IFundRecoveryFeature.sol",
+        "./contracts/src/features/interfaces/ILiquidityProviderFeature.sol",
+        "./contracts/src/features/interfaces/IMetaTransactionsFeature.sol",
+        "./contracts/src/features/interfaces/IMultiplexFeature.sol",
+        "./contracts/src/features/interfaces/INativeOrdersEvents.sol",
+        "./contracts/src/features/interfaces/INativeOrdersFeature.sol",
+        "./contracts/src/features/interfaces/IOtcOrdersFeature.sol",
+        "./contracts/src/features/interfaces/IOwnableFeature.sol",
+        "./contracts/src/features/interfaces/IPancakeSwapFeature.sol",
+        "./contracts/src/features/interfaces/ISimpleFunctionRegistryFeature.sol",
+        "./contracts/src/features/interfaces/ITokenSpenderFeature.sol",
+        "./contracts/src/features/interfaces/ITransformERC20Feature.sol",
+        "./contracts/src/features/interfaces/IUniswapFeature.sol",
+        "./contracts/src/features/interfaces/IUniswapV3Feature.sol",
+        "./contracts/src/features/libs/LibNFTOrder.sol",
+        "./contracts/src/features/libs/LibNativeOrder.sol",
+        "./contracts/src/features/libs/LibSignature.sol",
+        "./contracts/src/features/multiplex/MultiplexFeature.sol",
+        "./contracts/src/features/multiplex/MultiplexLiquidityProvider.sol",
+        "./contracts/src/features/multiplex/MultiplexOtc.sol",
+        "./contracts/src/features/multiplex/MultiplexRfq.sol",
+        "./contracts/src/features/multiplex/MultiplexTransformERC20.sol",
+        "./contracts/src/features/multiplex/MultiplexUniswapV2.sol",
+        "./contracts/src/features/multiplex/MultiplexUniswapV3.sol",
+        "./contracts/src/features/native_orders/NativeOrdersCancellation.sol",
+        "./contracts/src/features/native_orders/NativeOrdersInfo.sol",
+        "./contracts/src/features/native_orders/NativeOrdersProtocolFees.sol",
+        "./contracts/src/features/native_orders/NativeOrdersSettlement.sol",
+        "./contracts/src/features/nft_orders/ERC1155OrdersFeature.sol",
+        "./contracts/src/features/nft_orders/ERC721OrdersFeature.sol",
+        "./contracts/src/features/nft_orders/NFTOrders.sol",
+        "./contracts/src/fixins/FixinCommon.sol",
+        "./contracts/src/fixins/FixinEIP712.sol",
+        "./contracts/src/fixins/FixinERC1155Spender.sol",
+        "./contracts/src/fixins/FixinERC721Spender.sol",
+        "./contracts/src/fixins/FixinProtocolFees.sol",
+        "./contracts/src/fixins/FixinReentrancyGuard.sol",
+        "./contracts/src/fixins/FixinTokenSpender.sol",
+        "./contracts/src/liquidity-providers/CurveLiquidityProvider.sol",
+        "./contracts/src/liquidity-providers/MooniswapLiquidityProvider.sol",
+        "./contracts/src/migrations/FullMigration.sol",
+        "./contracts/src/migrations/InitialMigration.sol",
+        "./contracts/src/migrations/LibBootstrap.sol",
+        "./contracts/src/migrations/LibMigrate.sol",
+        "./contracts/src/storage/LibERC1155OrdersStorage.sol",
+        "./contracts/src/storage/LibERC721OrdersStorage.sol",
+        "./contracts/src/storage/LibMetaTransactionsStorage.sol",
+        "./contracts/src/storage/LibNativeOrdersStorage.sol",
+        "./contracts/src/storage/LibOtcOrdersStorage.sol",
+        "./contracts/src/storage/LibOwnableStorage.sol",
+        "./contracts/src/storage/LibProxyStorage.sol",
+        "./contracts/src/storage/LibReentrancyGuardStorage.sol",
+        "./contracts/src/storage/LibSimpleFunctionRegistryStorage.sol",
+        "./contracts/src/storage/LibStorage.sol",
+        "./contracts/src/storage/LibTransformERC20Storage.sol",
+        "./contracts/src/transformers/AffiliateFeeTransformer.sol",
+        "./contracts/src/transformers/FillQuoteTransformer.sol",
+        "./contracts/src/transformers/IERC20Transformer.sol",
+        "./contracts/src/transformers/LibERC20Transformer.sol",
+        "./contracts/src/transformers/LogMetadataTransformer.sol",
+        "./contracts/src/transformers/PayTakerTransformer.sol",
+        "./contracts/src/transformers/PositiveSlippageFeeTransformer.sol",
+        "./contracts/src/transformers/Transformer.sol",
+        "./contracts/src/transformers/WethTransformer.sol",
+        "./contracts/src/transformers/bridges/AbstractBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/BSCBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/BridgeProtocols.sol",
+        "./contracts/src/transformers/bridges/CeloBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/EthereumBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/FantomBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/IBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/OptimismBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/PolygonBridgeAdapter.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinAaveV2.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinBalancer.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinBalancerV2.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinBalancerV2Batch.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinBancor.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinBancorV3.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinCompound.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinCryptoCom.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinCurve.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinCurveV2.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinDodo.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinDodoV2.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinGMX.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinKyberDmm.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinLido.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinMStable.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinMakerPSM.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinMooniswap.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinNerve.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinPlatypus.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinShell.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinSynthetix.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinUniswap.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinUniswapV2.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinUniswapV3.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinVelodrome.sol",
+        "./contracts/src/transformers/bridges/mixins/MixinZeroExBridge.sol",
+        "./contracts/src/vendor/IERC1155Token.sol",
+        "./contracts/src/vendor/IERC721Token.sol",
+        "./contracts/src/vendor/IFeeRecipient.sol",
+        "./contracts/src/vendor/ILiquidityProvider.sol",
+        "./contracts/src/vendor/IMooniswapPool.sol",
+        "./contracts/src/vendor/IPropertyValidator.sol",
+        "./contracts/src/vendor/ITakerCallback.sol",
+        "./contracts/src/vendor/IUniswapV2Pair.sol",
+        "./contracts/src/vendor/IUniswapV3Pool.sol",
+        "./contracts/src/vendor/v3/IERC20Bridge.sol",
+        "./contracts/src/vendor/v3/IStaking.sol",
+        "./contracts/test/ITestSimpleFunctionRegistryFeature.sol",
+        "./contracts/test/TestBridge.sol",
+        "./contracts/test/TestCallTarget.sol",
+        "./contracts/test/TestDelegateCaller.sol",
+        "./contracts/test/TestFeeCollectorController.sol",
+        "./contracts/test/TestFeeRecipient.sol",
+        "./contracts/test/TestFillQuoteTransformerBridge.sol",
+        "./contracts/test/TestFillQuoteTransformerExchange.sol",
+        "./contracts/test/TestFillQuoteTransformerHost.sol",
+        "./contracts/test/TestFixinProtocolFees.sol",
+        "./contracts/test/TestFixinTokenSpender.sol",
+        "./contracts/test/TestFullMigration.sol",
+        "./contracts/test/TestInitialMigration.sol",
+        "./contracts/test/TestLibNativeOrder.sol",
+        "./contracts/test/TestLibSignature.sol",
+        "./contracts/test/TestMetaTransactionsNativeOrdersFeature.sol",
+        "./contracts/test/TestMetaTransactionsTransformERC20Feature.sol",
+        "./contracts/test/TestMigrator.sol",
+        "./contracts/test/TestMintTokenERC20Transformer.sol",
+        "./contracts/test/TestNFTOrderPresigner.sol",
+        "./contracts/test/TestNativeOrdersFeature.sol",
+        "./contracts/test/TestNoEthRecipient.sol",
+        "./contracts/test/TestOrderSignerRegistryWithContractWallet.sol",
+        "./contracts/test/TestPermissionlessTransformerDeployerSuicidal.sol",
+        "./contracts/test/TestPermissionlessTransformerDeployerTransformer.sol",
+        "./contracts/test/TestPropertyValidator.sol",
+        "./contracts/test/TestRfqOriginRegistration.sol",
+        "./contracts/test/TestSimpleFunctionRegistryFeatureImpl1.sol",
+        "./contracts/test/TestSimpleFunctionRegistryFeatureImpl2.sol",
+        "./contracts/test/TestStaking.sol",
+        "./contracts/test/TestTransformERC20.sol",
+        "./contracts/test/TestTransformerBase.sol",
+        "./contracts/test/TestTransformerDeployerTransformer.sol",
+        "./contracts/test/TestTransformerHost.sol",
+        "./contracts/test/TestUniswapV3Feature.sol",
+        "./contracts/test/TestWethTransformerHost.sol",
+        "./contracts/test/TestZeroExFeature.sol",
+        "./contracts/test/integration/TestCurve.sol",
+        "./contracts/test/integration/TestLiquidityProvider.sol",
+        "./contracts/test/integration/TestMooniswap.sol",
+        "./contracts/test/integration/TestUniswapV2Factory.sol",
+        "./contracts/test/integration/TestUniswapV2Pool.sol",
+        "./contracts/test/integration/TestUniswapV3Factory.sol",
+        "./contracts/test/integration/TestUniswapV3Pool.sol",
+        "./contracts/test/tokens/TestMintableERC1155Token.sol",
+        "./contracts/test/tokens/TestMintableERC20Token.sol",
+        "./contracts/test/tokens/TestMintableERC721Token.sol",
+        "./contracts/test/tokens/TestTokenSpenderERC20Token.sol",
+        "./contracts/test/tokens/TestWeth.sol"
+    ],
    "useDockerisedSolc": false,
    "isOfflineMode": false,
    "shouldSaveStandardInput": true,
--- a/contracts/zero-ex/contracts/deps/forge-std
+++ b/contracts/zero-ex/contracts/deps/forge-std
--- a/contracts/zero-ex/contracts/src/transformers/FillQuoteTransformer.sol
+++ b/contracts/zero-ex/contracts/src/transformers/FillQuoteTransformer.sol
@@ -313,7 +313,7 @@ contract FillQuoteTransformer is
        if (success) {
            results.makerTokenBoughtAmount = abi.decode(resultData, (uint256));
            results.takerTokenSoldAmount = takerTokenFillAmount;
-        }
+        } 
    }

    // Fill a single limit order.
--- a/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol
@@ -30,6 +30,7 @@ import "./mixins/MixinAaveV2.sol";
 import "./mixins/MixinNerve.sol";
 import "./mixins/MixinPlatypus.sol";
 import "./mixins/MixinUniswapV2.sol";
+import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";

 contract AvalancheBridgeAdapter is
@@ -42,6 +43,7 @@ contract AvalancheBridgeAdapter is
    MixinNerve,
    MixinPlatypus,
    MixinUniswapV2,
+    MixinWOOFi,
    MixinZeroExBridge
 {
    constructor(IEtherTokenV06 weth)
@@ -120,6 +122,14 @@ contract AvalancheBridgeAdapter is
                sellAmount,
                order.bridgeData
            );
+        } else if (protocolId == BridgeProtocols.WOOFI) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeWOOFi(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
        } else if (protocolId == BridgeProtocols.UNKNOWN) {
            if (dryRun) { return (0, true); }            
            boughtAmount = _tradeZeroExBridge(
--- a/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol
@@ -29,6 +29,7 @@ import "./mixins/MixinKyberDmm.sol";
 import "./mixins/MixinMooniswap.sol";
 import "./mixins/MixinNerve.sol";
 import "./mixins/MixinUniswapV2.sol";
+import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";

 contract BSCBridgeAdapter is
@@ -40,6 +41,7 @@ contract BSCBridgeAdapter is
    MixinMooniswap,
    MixinNerve,
    MixinUniswapV2,
+    MixinWOOFi,
    MixinZeroExBridge
 {
    constructor(IEtherTokenV06 weth)
@@ -111,6 +113,14 @@ contract BSCBridgeAdapter is
                sellAmount,
                order.bridgeData
            );
+        } else if (protocolId == BridgeProtocols.WOOFI) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeWOOFi(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
        } else if (protocolId == BridgeProtocols.UNKNOWN) {
            if (dryRun) { return (0, true); }
            boughtAmount = _tradeZeroExBridge(
--- a/contracts/zero-ex/contracts/src/transformers/bridges/BridgeProtocols.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/BridgeProtocols.sol
@@ -58,4 +58,5 @@ library BridgeProtocols {
    uint128 internal constant BANCORV3        = 28;
    uint128 internal constant VELODROME       = 29;
    uint128 internal constant SYNTHETIX       = 30;
+    uint128 internal constant WOOFI           = 31;
 }
--- a/contracts/zero-ex/contracts/src/transformers/bridges/FantomBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/FantomBridgeAdapter.sol
@@ -28,6 +28,7 @@ import "./mixins/MixinCurve.sol";
 import "./mixins/MixinCurveV2.sol";
 import "./mixins/MixinNerve.sol";
 import "./mixins/MixinUniswapV2.sol";
+import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";

 contract FantomBridgeAdapter is
@@ -38,6 +39,7 @@ contract FantomBridgeAdapter is
    MixinCurveV2,
    MixinNerve,
    MixinUniswapV2,
+    MixinWOOFi,
    MixinZeroExBridge
 {
    constructor(IEtherTokenV06 weth)
@@ -103,6 +105,14 @@ contract FantomBridgeAdapter is
                sellAmount,
                order.bridgeData
            );
+        } else if (protocolId == BridgeProtocols.WOOFI) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeWOOFi(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
        } else if (protocolId == BridgeProtocols.UNKNOWN) {
            if (dryRun) { return (0, true); }            
            boughtAmount = _tradeZeroExBridge(
--- a/contracts/zero-ex/contracts/src/transformers/bridges/PolygonBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/PolygonBridgeAdapter.sol
@@ -34,6 +34,7 @@ import "./mixins/MixinMStable.sol";
 import "./mixins/MixinNerve.sol";
 import "./mixins/MixinUniswapV2.sol";
 import "./mixins/MixinUniswapV3.sol";
+import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";

 contract PolygonBridgeAdapter is
@@ -50,6 +51,7 @@ contract PolygonBridgeAdapter is
    MixinNerve,
    MixinUniswapV2,
    MixinUniswapV3,
+    MixinWOOFi,
    MixinZeroExBridge
 {
    constructor(IEtherTokenV06 weth)
@@ -157,6 +159,14 @@ contract PolygonBridgeAdapter is
                sellAmount,
                order.bridgeData
            );
+        } else if (protocolId == BridgeProtocols.WOOFI) {
+            if (dryRun) { return (0, true); }
+            boughtAmount = _tradeWOOFi(
+                sellToken,
+                buyToken,
+                sellAmount,
+                order.bridgeData
+            );
        } else if (protocolId == BridgeProtocols.UNKNOWN) {
            if (dryRun) { return (0, true); }            
            boughtAmount = _tradeZeroExBridge(
--- a/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinWOOFi.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinWOOFi.sol
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: Apache-2.0
+
+/*
+  Copyright 2020 ZeroEx Intl.
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+*/
+
+pragma solidity ^0.6;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-erc20/contracts/src/v06/LibERC20TokenV06.sol";
+import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
+import "@0x/contracts-erc20/contracts/src/v06/IEtherTokenV06.sol";
+import "../IBridgeAdapter.sol";
+import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
+
+/// @dev WooFI pool interface.
+interface IWooPP {
+    function quoteToken() external view returns (address);
+
+    function sellBase(
+        address baseToken,
+        uint256 baseAmount,
+        uint256 minQuoteAmount,
+        address to,
+        address rebateTo
+    ) external returns (uint256 quoteAmount);
+
+    function sellQuote(
+        address baseToken,
+        uint256 quoteAmount,
+        uint256 minBaseAmount,
+        address to,
+        address rebateTo
+    ) external returns (uint256 baseAmount);
+
+    /// @dev Query the amount for selling the base token amount.
+    /// @param baseToken the base token to sell
+    /// @param baseAmount the amount to sell
+    /// @return quoteAmount the swapped quote amount
+    function querySellBase(
+        address baseToken, 
+        uint256 baseAmount
+    ) external view returns (uint256 quoteAmount);
+
+}
+
+contract MixinWOOFi{
+
+    using LibERC20TokenV06 for IERC20TokenV06;
+    using LibERC20TokenV06 for IEtherTokenV06;
+    using LibSafeMathV06 for uint256;
+
+    address constant rebateAddress = 0xBfdcBB4C05843163F491C24f9c0019c510786304;
+
+    // /// @dev Swaps an exact amount of input tokens for as many output tokens as possible.
+    // /// @param _amountIn Amount of input tokens to send
+    // /// @param _minAmountOut The minimum amount of output tokens that must be received for the transaction not to revert.
+    // /// @param _tokenIn Input token
+    // /// @param _tokenOut Output token
+    // /// @param _to recipient of tokens
+    // /// @param pool WOOFi pool where the swap will happen
+    function _tradeWOOFi(
+        IERC20TokenV06 sellToken,
+        IERC20TokenV06 buyToken,
+        uint256 sellAmount,
+        bytes memory bridgeData
+    )
+        public
+        returns (uint256 boughtAmount)
+    {
+        (IWooPP _pool) = abi.decode(bridgeData, (IWooPP));
+        uint256 beforeBalance = buyToken.balanceOf(address(this));
+
+        sellToken.approveIfBelow(address(_pool), sellAmount);
+        
+        _swap(
+            sellAmount,
+            address(sellToken),
+            address(buyToken),
+            _pool
+        );
+        boughtAmount = buyToken.balanceOf(address(this)).safeSub(beforeBalance);
+    }
+
+    function _swap(
+        uint _amountIn, 
+        address _tokenIn, 
+        address _tokenOut, 
+        IWooPP pool
+    ) internal {
+        address quoteToken = pool.quoteToken();
+        if (_tokenIn == quoteToken) {
+            pool.sellQuote(
+                _tokenOut,
+                _amountIn,
+                1,
+                address(this),
+                rebateAddress
+            );
+        } else if (_tokenOut == quoteToken) {
+            pool.sellBase(
+                _tokenIn, 
+                _amountIn, 
+                1, 
+                address(this), 
+                rebateAddress
+            );
+        } else {          
+            uint256 quoteAmount = pool.sellBase(
+                _tokenIn, 
+                _amountIn, 
+                0, 
+                address(this), 
+                rebateAddress
+            );
+            IERC20TokenV06(pool.quoteToken()).approveIfBelow(address(pool), quoteAmount);
+            pool.sellQuote(
+                _tokenOut, 
+                quoteAmount, 
+                1, 
+                address(this), 
+                rebateAddress
+            );
+        }
+    }
+
+}
--- a/contracts/zero-ex/contracts/test/foundry/ContractTest.sol
+++ b/contracts/zero-ex/contracts/test/foundry/ContractTest.sol
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: Apache-2.0
+/*
+
+  Copyright 2022 ZeroEx Intl.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+*/
+
+pragma solidity ^0.6;
+
+import "forge-std/Test.sol";
+
+contract ContractTest is Test {
+    function setUp() public {}
+
+    function testExample() public {
+      assertTrue(true);
+    }
+}
--- a/contracts/zero-ex/foundry.toml
+++ b/contracts/zero-ex/foundry.toml
@@ -0,0 +1,8 @@
+[default]
+src = 'contracts/src'
+out = 'foundry-artifacts'
+test = 'contracts/test/foundry'
+libs = ["contracts/deps/", "../utils/contracts/src/"]
+remappings = ['@0x/contracts-utils/=../utils/', '@0x/contracts-erc20/=../erc20/', 'src/=./contracts/src']
+cache_path = 'foundry-cache'
+optimizer_runs = 1000000
--- a/contracts/zero-ex/package.json
+++ b/contracts/zero-ex/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-zero-ex",
-    "version": "0.36.0",
+    "version": "0.36.3",
    "engines": {
        "node": ">=6.12"
    },
@@ -38,7 +38,8 @@
        "docs:md": "ts-doc-gen --sourceDir='$PROJECT_FILES' --output=$MD_FILE_DIR --fileExtension=mdx --tsconfig=./typedoc-tsconfig.json",
        "docs:json": "typedoc --excludePrivate --excludeExternals --excludeProtected --ignoreCompilerErrors --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES",
        "publish:private": "yarn build && gitpkg publish",
-        "rollback": "node ./lib/scripts/rollback.js"
+        "rollback": "node ./lib/scripts/rollback.js",
+        "typechain": "typechain --target=ethers-v5 --out-dir='typechain-wrappers'  './foundry-artifacts/**/*.json'"
    },
    "config": {
        "publicInterfaceContracts": "IZeroEx,ZeroEx,FullMigration,InitialMigration,IFlashWallet,IERC20Transformer,IOwnableFeature,ISimpleFunctionRegistryFeature,ITransformERC20Feature,FillQuoteTransformer,PayTakerTransformer,PositiveSlippageFeeTransformer,WethTransformer,OwnableFeature,SimpleFunctionRegistryFeature,TransformERC20Feature,AffiliateFeeTransformer,MetaTransactionsFeature,LogMetadataTransformer,LiquidityProviderFeature,ILiquidityProviderFeature,NativeOrdersFeature,INativeOrdersFeature,FeeCollectorController,FeeCollector,CurveLiquidityProvider,BatchFillNativeOrdersFeature,IBatchFillNativeOrdersFeature,MultiplexFeature,IMultiplexFeature,OtcOrdersFeature,IOtcOrdersFeature,AvalancheBridgeAdapter,BSCBridgeAdapter,CeloBridgeAdapter,EthereumBridgeAdapter,FantomBridgeAdapter,OptimismBridgeAdapter,PolygonBridgeAdapter",
@@ -56,15 +57,16 @@
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/zero-ex",
    "devDependencies": {
        "@0x/abi-gen": "^5.8.0",
-        "@0x/contract-addresses": "^6.17.0",
-        "@0x/contracts-erc20": "^3.3.33",
+        "@0x/contract-addresses": "^6.19.2",
+        "@0x/contracts-erc20": "^3.3.36",
        "@0x/contracts-gen": "^2.0.46",
-        "@0x/contracts-test-utils": "^5.4.24",
+        "@0x/contracts-test-utils": "^5.4.27",
        "@0x/dev-utils": "^4.2.14",
        "@0x/order-utils": "^10.4.28",
        "@0x/sol-compiler": "^4.8.1",
        "@0x/ts-doc-gen": "^0.0.28",
        "@0x/tslint-config": "^4.1.4",
+        "@typechain/ethers-v5": "^10.0.0",
        "@types/isomorphic-fetch": "^0.0.35",
        "@types/lodash": "4.14.104",
        "@types/mocha": "^5.2.7",
@@ -78,12 +80,13 @@
        "solhint": "^1.4.1",
        "truffle": "^5.0.32",
        "tslint": "5.11.0",
+        "typechain": "^8.0.0",
        "typedoc": "~0.16.11",
        "typescript": "4.6.3"
    },
    "dependencies": {
        "@0x/base-contract": "^6.5.0",
-        "@0x/protocol-utils": "^11.16.0",
+        "@0x/protocol-utils": "^11.16.3",
        "@0x/subproviders": "^6.6.5",
        "@0x/types": "^3.3.6",
        "@0x/typescript-typings": "^5.3.1",
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@@ -1,4 +1,53 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "16.66.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "16.66.2",
+        "changes": [
+            {
+                "note": "Upgrade dependency",
+                "pr": 543
+            }
+        ],
+        "timestamp": 1660073235
+    },
+    {
+        "version": "16.66.1",
+        "changes": [
+            {
+                "note": "Upgrade dependency",
+                "pr": 538
+            }
+        ],
+        "timestamp": 1659926840
+    },
+    {
+        "version": "16.66.0",
+        "changes": [
+            {
+                "note": "Add WOOFi support",
+                "pr": 513
+            }
+        ],
+        "timestamp": 1659750766
+    },
+    {
+        "version": "16.65.0",
+        "changes": [
+            {
+                "note": "Use 0x gas api instead of eth gas station api",
+                "pr": 532
+            }
+        ],
+        "timestamp": 1659391840
+    },
    {
        "version": "16.64.0",
        "changes": [
--- a/packages/asset-swapper/CHANGELOG.md
+++ b/packages/asset-swapper/CHANGELOG.md
@@ -5,6 +5,26 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v16.66.3 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v16.66.2 - _August 9, 2022_
+
+    * Upgrade dependency (#543)
+
+## v16.66.1 - _August 8, 2022_
+
+    * Upgrade dependency (#538)
+
+## v16.66.0 - _August 6, 2022_
+
+    * Add WOOFi support (#513)
+
+## v16.65.0 - _August 1, 2022_
+
+    * Use 0x gas api instead of eth gas station api (#532)
+
 ## v16.64.0 - _July 27, 2022_

    * Refactor `TokenAdjacency` and `TokenAdjacencyBuilder` (#517)
--- a/packages/asset-swapper/contracts/src/ERC20BridgeSampler.sol
+++ b/packages/asset-swapper/contracts/src/ERC20BridgeSampler.sol
@@ -45,6 +45,7 @@ import "./UniswapSampler.sol";
 import "./UniswapV2Sampler.sol";
 import "./UniswapV3Sampler.sol";
 import "./VelodromeSampler.sol";
+import "./WooPPSampler.sol";
 import "./UtilitySampler.sol";


@@ -74,6 +75,7 @@ contract ERC20BridgeSampler is
    UniswapV2Sampler,
    UniswapV3Sampler,
    VelodromeSampler,
+    WooPPSampler,
    UtilitySampler
 {

--- a/packages/asset-swapper/contracts/src/WooPPSampler.sol
+++ b/packages/asset-swapper/contracts/src/WooPPSampler.sol
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.6;
+pragma experimental ABIEncoderV2;
+import "./SamplerUtils.sol";
+import "./ApproximateBuys.sol";
+
+interface IWooPP {
+    /// @dev get the quote token address (immutable)
+    /// @return address of quote token
+    function quoteToken() external view returns (address);
+
+    /// @dev Query the amount for selling the base token amount.
+    /// @param baseToken the base token to sell
+    /// @param baseAmount the amount to sell
+    /// @return quoteAmount the swapped quote amount
+    function querySellBase(address baseToken, uint256 baseAmount) external view returns (uint256 quoteAmount);
+
+    /// @dev Query the amount for selling the quote token.
+    /// @param baseToken the base token to receive (buy)
+    /// @param quoteAmount the amount to sell
+    /// @return baseAmount the swapped base token amount
+    function querySellQuote(address baseToken, uint256 quoteAmount) external view returns (uint256 baseAmount);
+}
+
+contract WooPPSampler is SamplerUtils, ApproximateBuys{
+
+   function query(
+        uint amountIn, 
+        address tokenIn, 
+        address tokenOut,
+        address pool
+    ) internal view returns (uint256 amountOut) {
+        if (amountIn == 0) { 
+            return 0; 
+        }
+        address quoteToken = IWooPP(pool).quoteToken();
+        if (tokenIn == quoteToken) {
+            amountOut = IWooPP(pool).querySellQuote(tokenOut, amountIn);
+        } else if (tokenOut == quoteToken) {
+            amountOut = IWooPP(pool).querySellBase(tokenIn, amountIn);
+        } else {
+            uint quoteAmount = IWooPP(pool).querySellBase(tokenIn, amountIn);
+            amountOut = IWooPP(pool).querySellQuote(tokenOut, quoteAmount);
+        }
+    }
+
+    /// @dev Sample sell quotes from WooFI.
+    /// @param pool Address of the pool we are sampling from
+    /// @param takerToken Address of the taker token (what to sell).
+    /// @param makerToken Address of the maker token (what to buy).
+    /// @param takerTokenAmounts Taker token sell amount for each sample (sorted in ascending order).
+    /// @return makerTokenAmounts Maker amounts bought at each taker token
+    ///         amount.
+    function sampleSellsFromWooPP(
+        address pool,
+        address takerToken,
+        address makerToken,
+        uint256[] memory takerTokenAmounts
+    )
+        public
+        view
+        returns (uint256[] memory makerTokenAmounts)
+        {
+            uint256 numSamples = takerTokenAmounts.length;
+            makerTokenAmounts = new uint256[](numSamples);
+            for (uint256 i = 0; i < numSamples; i++) {
+                makerTokenAmounts[i] = query(takerTokenAmounts[i], takerToken, makerToken, pool);
+
+                if (makerTokenAmounts[i] == 0) {
+                    break;
+                }
+            }
+        }
+
+    /// @dev Sample buy quotes from WooFI.
+    /// @param pool Address of the pool we are sampling from
+    /// @param takerToken Address of the taker token (what to sell).
+    /// @param makerToken Address of the maker token (what to buy).
+    /// @param makerTokenAmounts Maker token sell amount for each sample (sorted in ascending order).
+    /// @return takerTokenAmounts Taker amounts bought at each taker token
+    ///         amount.
+    function sampleBuysFromWooPP(
+        address pool,
+        address takerToken,
+        address makerToken,
+        uint256[] memory makerTokenAmounts
+    )
+        public
+        view
+        returns (uint256[] memory takerTokenAmounts)
+    {
+        uint256 numSamples = makerTokenAmounts.length;
+        takerTokenAmounts = _sampleApproximateBuys(
+            ApproximateBuyQuoteOpts({
+                takerTokenData: abi.encode(pool,takerToken, makerToken),
+                makerTokenData: abi.encode(pool, makerToken, takerToken),
+                getSellQuoteCallback: _sampleSellForApproximateBuyFromWoofi
+            }),
+            makerTokenAmounts
+        );
+    }
+
+    function _sampleSellForApproximateBuyFromWoofi(
+        bytes memory takerTokenData,
+        bytes memory makerTokenData,
+        uint256 sellAmount
+    ) internal view returns (uint256) {
+        (address _pool, address _takerToken, address _makerToken) = abi.decode(takerTokenData, (address, address, address));
+        (bool success, bytes memory resultData) = address(this).staticcall(abi.encodeWithSelector(
+            this.sampleSellsFromWooPP.selector,
+            _pool,
+            _takerToken,
+            _makerToken,
+            _toSingleValueArray(sellAmount)
+        ));
+        if(!success) {
+            return 0;
+        }
+        return abi.decode(resultData, (uint256[]))[0];
+    }
+}
--- a/packages/asset-swapper/docs/reference.mdx
+++ b/packages/asset-swapper/docs/reference.mdx
@@ -1897,7 +1897,7 @@ ___

 # Interface: SwapQuoteRequestOpts

-slippagePercentage: The percentage buffer to add to account for slippage. Affects max ETH price estimates. Defaults to 0.2 (20%).
+slippagePercentage: The percentage buffer to add to account for slippage. Affects max ETH price estimates. Defaults to 0.01 (1%).
 gasPrice: gas price to determine protocolFee amount, default to ethGasStation fast amount


--- a/packages/asset-swapper/package.json
+++ b/packages/asset-swapper/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/asset-swapper",
-    "version": "16.64.0",
+    "version": "16.66.3",
    "engines": {
        "node": ">=6.12"
    },
@@ -40,7 +40,7 @@
    "config": {
        "publicInterfaceContracts": "ERC20BridgeSampler,BalanceChecker,FakeTaker",
        "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually.",
-        "abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|BalancerV2BatchSampler|BalancerV2Common|BalancerV2Sampler|BancorSampler|BancorV3Sampler|CompoundSampler|CurveSampler|DODOSampler|DODOV2Sampler|ERC20BridgeSampler|FakeTaker|GMXSampler|IBalancer|IBalancerV2Vault|IBancor|IBancorV3|ICurve|IGMX|IMStable|IMooniswap|IMultiBridge|IPlatypus|IShell|IUniswapExchangeQuotes|IUniswapV2Router01|KyberDmmSampler|LidoSampler|LiquidityProviderSampler|MStableSampler|MakerPSMSampler|MooniswapSampler|NativeOrderSampler|PlatypusSampler|SamplerUtils|ShellSampler|SynthetixSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler|UniswapV3Sampler|UtilitySampler|VelodromeSampler).json",
+        "abis": "./test/generated-artifacts/@(ApproximateBuys|BalanceChecker|BalancerSampler|BalancerV2BatchSampler|BalancerV2Common|BalancerV2Sampler|BancorSampler|BancorV3Sampler|CompoundSampler|CurveSampler|DODOSampler|DODOV2Sampler|ERC20BridgeSampler|FakeTaker|GMXSampler|IBalancer|IBalancerV2Vault|IBancor|IBancorV3|ICurve|IGMX|IMStable|IMooniswap|IMultiBridge|IPlatypus|IShell|IUniswapExchangeQuotes|IUniswapV2Router01|KyberDmmSampler|LidoSampler|LiquidityProviderSampler|MStableSampler|MakerPSMSampler|MooniswapSampler|NativeOrderSampler|PlatypusSampler|SamplerUtils|ShellSampler|SynthetixSampler|TestNativeOrderSampler|TwoHopSampler|UniswapSampler|UniswapV2Sampler|UniswapV3Sampler|UtilitySampler|VelodromeSampler|WooPPSampler).json",
        "postpublish": {
            "assets": []
        }
@@ -61,15 +61,16 @@
    "dependencies": {
        "@0x/assert": "^3.0.34",
        "@0x/base-contract": "^6.5.0",
-        "@0x/contract-addresses": "^6.17.0",
-        "@0x/contract-wrappers": "^13.20.5",
-        "@0x/contracts-erc20": "^3.3.33",
-        "@0x/contracts-zero-ex": "^0.36.0",
+        "@0x/contract-addresses": "^6.19.2",
+        "@0x/contract-wrappers": "^13.20.8",
+        "@0x/contracts-erc20": "^3.3.36",
+        "@0x/contracts-zero-ex": "^0.36.3",
        "@0x/dev-utils": "^4.2.14",
+        "@0x/fast-abi": "^0.0.5",
        "@0x/json-schemas": "^6.4.4",
        "@0x/neon-router": "^0.3.5",
-        "@0x/protocol-utils": "^11.16.0",
-        "@0x/quote-server": "^6.0.6",
+        "@0x/protocol-utils": "^11.16.3",
+        "@0x/quote-server": "^8.0.0",
        "@0x/types": "^3.3.6",
        "@0x/utils": "^6.5.3",
        "@0x/web3-wrapper": "^7.6.5",
@@ -85,22 +86,21 @@
        "balancer-labs-sor-v1": "npm:@balancer-labs/sor@0.3.2",
        "cream-sor": "^0.3.3",
        "ethereum-types": "^3.7.0",
-        "fast-abi": "^0.0.4",
        "graphql": "^15.4.0",
        "graphql-request": "^3.4.0",
        "heartbeats": "^5.0.1",
-        "lodash": "^4.17.11"
+        "lodash": "^4.17.15",
+        "msw": "^0.44.2"
    },
    "devDependencies": {
        "@0x/abi-gen": "^5.8.0",
        "@0x/contracts-gen": "^2.0.46",
-        "@0x/contracts-test-utils": "^5.4.24",
+        "@0x/contracts-test-utils": "^5.4.27",
        "@0x/sol-compiler": "^4.8.1",
        "@0x/subproviders": "^6.6.5",
        "@0x/ts-doc-gen": "^0.0.28",
        "@0x/tslint-config": "^4.1.4",
-        "@0x/types": "^3.3.6",
-        "@types/lodash": "4.14.104",
+        "@types/lodash": "4.14.137",
        "@types/mocha": "^5.2.7",
        "@types/node": "12.12.54",
        "chai": "^4.0.1",
@@ -112,7 +112,7 @@
        "npm-run-all": "^4.1.2",
        "nyc": "^11.0.1",
        "shx": "^0.2.2",
-        "tslint": "5.11.0",
+        "tslint": "^6.1.3",
        "typedoc": "~0.16.11",
        "typemoq": "^2.1.0",
        "typescript": "4.6.3"
--- a/packages/asset-swapper/src/constants.ts
+++ b/packages/asset-swapper/src/constants.ts
@@ -19,7 +19,7 @@ import {
    DEFAULT_TOKEN_ADJACENCY_GRAPH_BY_CHAIN_ID,
 } from './utils/market_operation_utils/constants';

-const ETH_GAS_STATION_API_URL = 'https://ethgasstation.info/api/ethgasAPI.json';
+const ZERO_EX_GAS_API_URL = 'https://gas.api.0x.org/source/median';
 const NULL_BYTES = '0x';
 const NULL_ERC20_ASSET_DATA = '0xf47261b00000000000000000000000000000000000000000000000000000000000000000';
 const NULL_ADDRESS = '0x0000000000000000000000000000000000000000';
@@ -48,7 +48,7 @@ const DEFAULT_SWAP_QUOTER_OPTS: SwapQuoterOpts = {
    orderRefreshIntervalMs: 10000, // 10 seconds
    ...DEFAULT_ORDER_PRUNER_OPTS,
    samplerGasLimit: 500e6,
-    ethGasStationUrl: ETH_GAS_STATION_API_URL,
+    zeroExGasApiUrl: ZERO_EX_GAS_API_URL,
    rfqt: {
        integratorsWhitelist: [],
        makerAssetOfferings: {},
@@ -95,11 +95,10 @@ export { DEFAULT_FEE_SCHEDULE, DEFAULT_GAS_SCHEDULE } from './utils/market_opera

 export const POSITIVE_SLIPPAGE_FEE_TRANSFORMER_GAS = new BigNumber(30000);

-// tslint:disable-next-line: custom-no-magic-numbers
 export const KEEP_ALIVE_TTL = 5 * 60 * ONE_SECOND_MS;

 export const constants = {
-    ETH_GAS_STATION_API_URL,
+    ZERO_EX_GAS_API_URL,
    PROTOCOL_FEE_MULTIPLIER,
    POSITIVE_SLIPPAGE_FEE_TRANSFORMER_GAS,
    NULL_BYTES,
--- a/packages/asset-swapper/src/index.ts
+++ b/packages/asset-swapper/src/index.ts
@@ -157,8 +157,6 @@ export {
    GetMarketOrdersRfqOpts,
    LiquidityProviderFillData,
    LiquidityProviderRegistry,
-    MarketDepth,
-    MarketDepthSide,
    MooniswapFillData,
    MultiHopFillData,
    NativeRfqOrderFillData,
--- a/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
+++ b/packages/asset-swapper/src/quote_consumers/exchange_proxy_swap_quote_consumer.ts
@@ -61,7 +61,6 @@ import {
    requiresTransformERC20,
 } from './quote_consumer_utils';

-// tslint:disable-next-line:custom-no-magic-numbers
 const MAX_UINT256 = new BigNumber(2).pow(256).minus(1);
 const { NULL_ADDRESS, NULL_BYTES, ZERO_AMOUNT } = constants;

--- a/packages/asset-swapper/src/swap_quoter.ts
+++ b/packages/asset-swapper/src/swap_quoter.ts
@@ -1,9 +1,9 @@
 import { ChainId, getContractAddressesForChainOrThrow } from '@0x/contract-addresses';
+import { FastABI } from '@0x/fast-abi';
 import { FillQuoteTransformerOrderType, LimitOrder } from '@0x/protocol-utils';
 import { BigNumber, providerUtils } from '@0x/utils';
 import Axios, { AxiosInstance } from 'axios';
 import { BlockParamLiteral, MethodAbi, SupportedProvider, ZeroExProvider } from 'ethereum-types';
-import { FastABI } from 'fast-abi';
 import { Agent as HttpAgent } from 'http';
 import { Agent as HttpsAgent } from 'https';
 import * as _ from 'lodash';
@@ -36,9 +36,6 @@ import {
    FillData,
    GasSchedule,
    GetMarketOrdersOpts,
-    MarketDepth,
-    MarketDepthSide,
-    MarketSideLiquidity,
    OptimizedMarketOrder,
    OptimizerResultWithReport,
 } from './utils/market_operation_utils/types';
@@ -112,7 +109,7 @@ export class SwapQuoter {
        };
        this._protocolFeeUtils = ProtocolFeeUtils.getInstance(
            constants.PROTOCOL_FEE_UTILS_POLLING_INTERVAL_IN_MS,
-            options.ethGasStationUrl,
+            options.zeroExGasApiUrl,
        );
        // Allow the sampler bytecode to be overwritten using geths override functionality
        const samplerBytecode = _.get(artifacts.ERC20BridgeSampler, 'compilerOutput.evm.deployedBytecode.object');
@@ -228,67 +225,6 @@ export class SwapQuoter {
        return batchSwapQuotes.filter(x => x !== undefined) as MarketBuySwapQuote[];
    }

-    /**
-     * Returns the bids and asks liquidity for the entire market.
-     * For certain sources (like AMM's) it is recommended to provide a practical maximum takerAssetAmount.
-     * @param   makerTokenAddress The address of the maker asset
-     * @param   takerTokenAddress The address of the taker asset
-     * @param   takerAssetAmount  The amount to sell and buy for the bids and asks.
-     *
-     * @return  An object that conforms to MarketDepth that contains all of the samples and liquidity
-     *          information for the source.
-     */
-    public async getBidAskLiquidityForMakerTakerAssetPairAsync(
-        makerToken: string,
-        takerToken: string,
-        takerAssetAmount: BigNumber,
-        options: Partial<SwapQuoteRequestOpts> = {},
-    ): Promise<MarketDepth> {
-        assert.isString('makerToken', makerToken);
-        assert.isString('takerToken', takerToken);
-        const sourceFilters = new SourceFilters([], options.excludedSources, options.includedSources);
-
-        let [sellOrders, buyOrders] = !sourceFilters.isAllowed(ERC20BridgeSource.Native)
-            ? [[], []]
-            : await Promise.all([
-                  this.orderbook.getOrdersAsync(makerToken, takerToken),
-                  this.orderbook.getOrdersAsync(takerToken, makerToken),
-              ]);
-        if (!sellOrders || sellOrders.length === 0) {
-            sellOrders = [createDummyOrder(makerToken, takerToken)];
-        }
-        if (!buyOrders || buyOrders.length === 0) {
-            buyOrders = [createDummyOrder(takerToken, makerToken)];
-        }
-
-        const getMarketDepthSide = (marketSideLiquidity: MarketSideLiquidity): MarketDepthSide => {
-            const { dexQuotes, nativeOrders } = marketSideLiquidity.quotes;
-            const { side } = marketSideLiquidity;
-
-            return [
-                ...dexQuotes,
-                nativeOrders.map(o => {
-                    return {
-                        input: side === MarketOperation.Sell ? o.fillableTakerAmount : o.fillableMakerAmount,
-                        output: side === MarketOperation.Sell ? o.fillableMakerAmount : o.fillableTakerAmount,
-                        fillData: o,
-                        source: ERC20BridgeSource.Native,
-                    };
-                }),
-            ];
-        };
-        const [bids, asks] = await Promise.all([
-            this._marketOperationUtils.getMarketBuyLiquidityAsync(buyOrders, takerAssetAmount, options),
-            this._marketOperationUtils.getMarketSellLiquidityAsync(sellOrders, takerAssetAmount, options),
-        ]);
-        return {
-            bids: getMarketDepthSide(bids),
-            asks: getMarketDepthSide(asks),
-            makerTokenDecimals: asks.makerTokenDecimals,
-            takerTokenDecimals: asks.takerTokenDecimals,
-        };
-    }
-
    /**
     * Returns the recommended gas price for a fast transaction
     */
--- a/packages/asset-swapper/src/types.ts
+++ b/packages/asset-swapper/src/types.ts
@@ -18,10 +18,10 @@ import {
    LiquidityProviderRegistry,
    OptimizedMarketOrder,
 } from './utils/market_operation_utils/types';
-export { SamplerMetrics } from './utils/market_operation_utils/types';
 import { ExtendedQuoteReportSources, PriceComparisonsReport, QuoteReport } from './utils/quote_report_generator';
 import { MetricsProxy } from './utils/quote_requestor';
 import { TokenAdjacencyGraph } from './utils/token_adjacency_graph';
+export { SamplerMetrics } from './utils/market_operation_utils/types';

 export type Address = string;

@@ -337,7 +337,7 @@ export interface SwapQuoterOpts extends OrderPrunerOpts {
    contractAddresses?: AssetSwapperContractAddresses;
    samplerGasLimit?: number;
    multiBridgeAddress?: string;
-    ethGasStationUrl?: string;
+    zeroExGasApiUrl?: string;
    rfqt?: SwapQuoterRfqOpts;
    samplerOverrides?: SamplerOverrides;
    tokenAdjacencyGraph?: TokenAdjacencyGraph;
--- a/packages/asset-swapper/src/utils/alt_mm_implementation_utils.ts
+++ b/packages/asset-swapper/src/utils/alt_mm_implementation_utils.ts
@@ -104,11 +104,9 @@ function parseIndicativeQuoteResponseFromAltMM(
        takerAmount,
        // HACK: alt implementation does not return an expiration with indicative quotes
        // return now + { IMPUTED EXPIRY SECONDS } to have it included after order checks
-        expiry:
-            // tslint:disable-next-line:custom-no-magic-numbers
-            new BigNumber(Date.now() / 1000)
-                .integerValue(BigNumber.ROUND_DOWN)
-                .plus(constants.ALT_MM_IMPUTED_INDICATIVE_EXPIRY_SECONDS),
+        expiry: new BigNumber(Date.now() / 1000)
+            .integerValue(BigNumber.ROUND_DOWN)
+            .plus(constants.ALT_MM_IMPUTED_INDICATIVE_EXPIRY_SECONDS),
    };
 }

@@ -243,7 +241,6 @@ export async function returnQuoteFromAltMMAsync<ResponseT>(
    // empty response will get filtered out in validation
    const emptyResponse = {};

-    // tslint:disable-next-line:custom-no-magic-numbers
    if (response.status !== SUCCESS_CODE) {
        const rejectedRequestInfo = {
            status: response.status,
--- a/packages/asset-swapper/src/utils/market_operation_utils/aave_reserves_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/aave_reserves_cache.ts
@@ -40,7 +40,6 @@ interface Cache {
    [key: string]: AaveReserve[];
 }

-// tslint:disable-next-line:custom-no-magic-numbers
 const RESERVES_REFRESH_INTERVAL_MS = 30 * constants.ONE_MINUTE_MS;

 /**
--- a/packages/asset-swapper/src/utils/market_operation_utils/bridge_source_utils.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/bridge_source_utils.ts
@@ -33,8 +33,8 @@ import {
    MSTABLE_POOLS_BY_CHAIN_ID,
    NERVE_BSC_INFOS,
    NULL_ADDRESS,
-    PANCAKESWAP_ROUTER_BY_CHAIN_ID,
    PANCAKESWAPV2_ROUTER_BY_CHAIN_ID,
+    PANCAKESWAP_ROUTER_BY_CHAIN_ID,
    PANGOLIN_ROUTER_BY_CHAIN_ID,
    PLATYPUS_AVALANCHE_INFOS,
    QUICKSWAP_ROUTER_BY_CHAIN_ID,
--- a/packages/asset-swapper/src/utils/market_operation_utils/compound_ctoken_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/compound_ctoken_cache.ts
@@ -19,7 +19,6 @@ interface Cache {
    [key: string]: CToken;
 }

-// tslint:disable-next-line:custom-no-magic-numbers
 const CTOKEN_REFRESH_INTERVAL_MS = 30 * constants.ONE_MINUTE_MS;

 /**
--- a/packages/asset-swapper/src/utils/market_operation_utils/constants.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/constants.ts
@@ -35,9 +35,10 @@ import {
    SynthetixFillData,
    UniswapV2FillData,
    UniswapV3FillData,
+    WOOFiFillData,
 } from './types';

-// tslint:disable: custom-no-magic-numbers no-bitwise
+// tslint:disable: no-bitwise

 export const ERC20_PROXY_ID = '0xf47261b0';
 export const WALLET_SIGNATURE = '0x04';
@@ -154,6 +155,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.BiSwap,
            ERC20BridgeSource.MDex,
            ERC20BridgeSource.KnightSwap,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Polygon]: new SourceFilters([
            ERC20BridgeSource.SushiSwap,
@@ -176,6 +178,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.UniswapV3,
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.MeshSwap,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Avalanche]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -189,6 +192,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.GMX,
            ERC20BridgeSource.Platypus,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Fantom]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -202,6 +206,7 @@ export const SELL_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.SushiSwap,
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.Yoshi,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Celo]: new SourceFilters([
            ERC20BridgeSource.UbeSwap,
@@ -302,6 +307,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.BiSwap,
            ERC20BridgeSource.MDex,
            ERC20BridgeSource.KnightSwap,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Polygon]: new SourceFilters([
            ERC20BridgeSource.SushiSwap,
@@ -324,6 +330,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.UniswapV3,
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.MeshSwap,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Avalanche]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -337,6 +344,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.GMX,
            ERC20BridgeSource.Platypus,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Fantom]: new SourceFilters([
            ERC20BridgeSource.MultiHop,
@@ -350,6 +358,7 @@ export const BUY_SOURCE_FILTER_BY_CHAIN_ID = valueByChainId<SourceFilters>(
            ERC20BridgeSource.SushiSwap,
            ERC20BridgeSource.Synapse,
            ERC20BridgeSource.Yoshi,
+            ERC20BridgeSource.WOOFi,
        ]),
        [ChainId.Celo]: new SourceFilters([
            ERC20BridgeSource.UbeSwap,
@@ -406,23 +415,6 @@ export const SOURCE_FLAGS: { [key in ERC20BridgeSource]: bigint } & {
    })),
 );

-const MIRROR_WRAPPED_TOKENS = {
-    mAAPL: '0xd36932143f6ebdedd872d5fb0651f4b72fd15a84',
-    mSLV: '0x9d1555d8cb3c846bb4f7d5b1b1080872c3166676',
-    mIAU: '0x1d350417d9787e000cc1b95d70e9536dcd91f373',
-    mAMZN: '0x0cae9e4d663793c2a2a0b211c1cf4bbca2b9caa7',
-    mGOOGL: '0x4b70ccd1cf9905be1faed025eadbd3ab124efe9a',
-    mTSLA: '0x21ca39943e91d704678f5d00b6616650f066fd63',
-    mQQQ: '0x13b02c8de71680e71f0820c996e4be43c2f57d15',
-    mTWTR: '0xedb0414627e6f1e3f082de65cd4f9c693d78cca9',
-    mMSFT: '0x41bbedd7286daab5910a1f15d12cbda839852bd7',
-    mNFLX: '0xc8d674114bac90148d11d3c1d33c61835a0f9dcd',
-    mBABA: '0x676ce85f66adb8d7b8323aeefe17087a3b8cb363',
-    mUSO: '0x31c63146a635eb7465e5853020b39713ac356991',
-    mVIXY: '0xf72fcd9dcf0190923fadd44811e240ef4533fc86',
-    mLUNA: '0xd2877702675e6ceb975b4a1dff9fb7baf4c91ea9',
-};
-
 // Mainnet tokens
 // Not an exhaustive list, just enough so we don't repeat ourselves
 export const MAINNET_TOKENS = {
@@ -486,10 +478,7 @@ export const MAINNET_TOKENS = {
    vETH: '0x898bad2774eb97cf6b94605677f43b41871410b1',
    alETH: '0x0100546f2cd4c9d97f798ffc9755e47865ff7ee6',
    HT: '0x6f259637dcD74C767781E37Bc6133cd6A68aa161',
-    // Mirror Protocol
    UST: '0xa47c8bf37f92abed4a126bda807a7b7498661acd',
-    MIR: '0x09a3ecafa817268f77be1283176b946c4ff2e608',
-    ...MIRROR_WRAPPED_TOKENS,
    // StableSwap "open pools" (crv.finance)
    STABLEx: '0xcd91538b91b4ba7797d39a2f66e63810b50a33d0',
    alUSD: '0xbc6da0fe9ad5f3b0d58160288917aa56653660e9',
@@ -542,6 +531,7 @@ export const BSC_TOKENS = {
    pBTC: '0xed28a457a5a76596ac48d87c0f577020f6ea1c4c',
    nUSD: '0x23b891e5c62e0955ae2bd185990103928ab817b3',
    BSW: '0x965F527D9159dCe6288a2219DB51fc6Eef120dD1',
+    WOO: '0x4691937a7508860f876c9c0a2a617e7d9e945d4b',
 };

 export const POLYGON_TOKENS = {
@@ -561,6 +551,7 @@ export const POLYGON_TOKENS = {
    WEXPOLY: '0x4c4bf319237d98a30a929a96112effa8da3510eb',
    nUSD: '0xb6c473756050de474286bed418b77aeac39b02af',
    ANY: '0x6aB6d61428fde76768D7b45D8BFeec19c6eF91A8',
+    WOO: '0x1b815d120b3ef02039ee11dc2d33de7aa4a8c603',
 };

 export const AVALANCHE_TOKENS = {
@@ -587,6 +578,7 @@ export const AVALANCHE_TOKENS = {
    UST: '0xb599c3590f42f8f995ecfa0f85d2980b76862fc1',
    FRAX: '0xd24c2ad096400b6fbcd2ad8b24e7acbc21a1da64',
    YUSD: '0x111111111111ed1d73f860f57b2798b683f2d325',
+    WOO: '0xabc9547b534519ff73921b1fba6e672b5f58d083',
 };

 export const CELO_TOKENS = {
@@ -646,6 +638,7 @@ export const FANTOM_TOKENS = {
    gWBTC: '0x38aca5484b8603373acc6961ecd57a6a594510a3',
    gCRV: '0x690754a168b022331caa2467207c61919b3f8a98',
    gMIM: '0xc664fc7b8487a3e10824cda768c1d239f2403bbe',
+    WOO: '0x6626c47c00f1d87902fc13eecfac3ed06d5e8d8a',
 };

 export const OPTIMISM_TOKENS = {
@@ -722,8 +715,6 @@ export const CURVE_POOLS = {
    eurt: '0xfd5db7463a3ab53fd211b4af195c5bccc1a03890',
    ethcrv: '0x8301ae4fc9c624d1d396cbdaa1ed877821d7c511',
    ethcvx: '0xb576491f1e6e5e62f1d8f26062ee822b40b0e0d4',
-    mimust: '0x55a8a39bc9694714e2874c1ce77aa1e599461e18',
-    usttri_wormhole: '0xceaf7747579696a2f0bb206a14210e3c9e6fb269',
    fei_tri: '0x06cb22615ba53e60d67bf6c341a0fd5e718e1655',
    rai_tri: '0x618788357d0ebd8a37e763adab3bc575d54c2c7d',
    DOLA_tri: '0xaa5a67c256e27a5d80712c51971408db3370927d',
@@ -864,6 +855,39 @@ export const PLATYPUS_AVALANCHE_POOLS = {
    sAVAX: '0x4658ea7e9960d6158a261104aaa160cc953bb6ba',
 };

+export const WOOFI_POOL_BY_CHAIN_ID = valueByChainId<string>(
+    {
+        [ChainId.BSC]: '0xbf365ce9cfcb2d5855521985e351ba3bcf77fd3f',
+        [ChainId.Fantom]: '0x9503e7517d3c5bc4f9e4a1c6ae4f8b33ac2546f2',
+        [ChainId.Avalanche]: '0x1df3009c57a8b143c6246149f00b090bce3b8f88',
+        [ChainId.Polygon]: '0x7400b665c8f4f3a951a99f1ee9872efb8778723d',
+    },
+    NULL_ADDRESS,
+);
+
+export const WOOFI_SUPPORTED_TOKENS = new Set([
+    BSC_TOKENS.USDT,
+    BSC_TOKENS.WBNB,
+    BSC_TOKENS.WOO,
+    BSC_TOKENS.WETH,
+    BSC_TOKENS.BTCB,
+    AVALANCHE_TOKENS.nUSDC,
+    AVALANCHE_TOKENS.WAVAX,
+    AVALANCHE_TOKENS.WBTC,
+    AVALANCHE_TOKENS.WETH,
+    AVALANCHE_TOKENS.WOO,
+    FANTOM_TOKENS.USDC,
+    FANTOM_TOKENS.WFTM,
+    FANTOM_TOKENS.WETH,
+    FANTOM_TOKENS.WBTC,
+    FANTOM_TOKENS.WOO,
+    POLYGON_TOKENS.USDC,
+    POLYGON_TOKENS.WMATIC,
+    POLYGON_TOKENS.WBTC,
+    POLYGON_TOKENS.WETH,
+    POLYGON_TOKENS.WOO,
+]);
+
 export const DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID = valueByChainId<string[]>(
    {
        [ChainId.Mainnet]: [
@@ -949,8 +973,6 @@ export const DEFAULT_TOKEN_ADJACENCY_GRAPH_BY_CHAIN_ID = valueByChainId<TokenAdj
    {
        [ChainId.Mainnet]: new TokenAdjacencyGraphBuilder(DEFAULT_INTERMEDIATE_TOKENS_BY_CHAIN_ID[ChainId.Mainnet])
            .tap(builder => {
-                // Mirror Protocol
-                builder.add(MAINNET_TOKENS.MIR, MAINNET_TOKENS.UST);
                // Convex and Curve
                builder.addBidirectional(MAINNET_TOKENS.cvxCRV, MAINNET_TOKENS.CRV);
                // Convex and FXS
@@ -1358,16 +1380,6 @@ export const CURVE_MAINNET_INFOS: { [name: string]: CurveInfo } = {
        sellQuoteFunctionSelector: CurveFunctionSelectors.get_dy_uint256,
        exchangeFunctionSelector: CurveFunctionSelectors.exchange_underlying_uint256,
    },
-    [CURVE_POOLS.mimust]: createCurveExchangePool({
-        tokens: [MAINNET_TOKENS.MIM, MAINNET_TOKENS.UST],
-        pool: CURVE_POOLS.mimust,
-        gasSchedule: 105e3,
-    }),
-    [CURVE_POOLS.usttri_wormhole]: createCurveMetaTriPool({
-        tokens: [MAINNET_TOKENS.UST_WORMHOLE],
-        pool: CURVE_POOLS.usttri_wormhole,
-        gasSchedule: 340e3,
-    }),
    [CURVE_POOLS.fei_tri]: createCurveMetaTriPool({
        tokens: [MAINNET_TOKENS.FEI],
        pool: CURVE_POOLS.fei_tri,
@@ -2176,7 +2188,6 @@ export const LIDO_INFO_BY_CHAIN = valueByChainId<LidoInfo>(
    },
 );

-export const BALANCER_SUBGRAPH_URL = 'https://api.thegraph.com/subgraphs/name/balancer-labs/balancer';
 export const BALANCER_TOP_POOLS_FETCHED = 250;
 export const BALANCER_MAX_POOLS_FETCHED = 3;

@@ -2473,7 +2484,6 @@ const uniswapV2CloneGasSchedule = (fillData?: FillData) => {
 * I.e remove the overhead cost of ExchangeProxy (130k) and
 * the ethereum transaction cost (21k)
 */
-// tslint:disable:custom-no-magic-numbers
 export const DEFAULT_GAS_SCHEDULE: Required<GasSchedule> = {
    [ERC20BridgeSource.Native]: fillData => {
        // TODO jacob re-order imports so there is no circular rependency with SignedNativeOrder
@@ -2647,7 +2657,19 @@ export const DEFAULT_GAS_SCHEDULE: Required<GasSchedule> = {
    [ERC20BridgeSource.CheeseSwap]: uniswapV2CloneGasSchedule,
    [ERC20BridgeSource.WaultSwap]: uniswapV2CloneGasSchedule,
    [ERC20BridgeSource.ACryptos]: fillData => (fillData as CurveFillData).pool.gasSchedule,
+    [ERC20BridgeSource.WOOFi]: (fillData?: FillData) => {
+        const woofiFillData = fillData as WOOFiFillData;
+        const quoteTokenAddresses = [BSC_TOKENS.USDT, AVALANCHE_TOKENS.nUSDC, FANTOM_TOKENS.USDC, POLYGON_TOKENS.USDC];

+        if (
+            quoteTokenAddresses.includes(woofiFillData.takerToken) ||
+            quoteTokenAddresses.includes(woofiFillData.makerToken)
+        ) {
+            return 500e3;
+        } else {
+            return 100e4;
+        }
+    },
    //
    // Polygon
    //
@@ -2698,10 +2720,7 @@ export const POSITIVE_SLIPPAGE_FEE_TRANSFORMER_GAS = new BigNumber(20000);

 export const DEFAULT_FEE_ESTIMATE = { gas: 0, fee: ZERO_AMOUNT };

-// tslint:enable:custom-no-magic-numbers
-
 export const DEFAULT_GET_MARKET_ORDERS_OPTS: Omit<GetMarketOrdersOpts, 'gasPrice'> = {
-    // tslint:disable-next-line: custom-no-magic-numbers
    runLimit: 2 ** 15,
    excludedSources: [],
    excludedFeeSources: [],
--- a/packages/asset-swapper/src/utils/market_operation_utils/index.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/index.ts
@@ -29,7 +29,6 @@ import {
    PriceComparisonsReport,
    QuoteReport,
 } from './../quote_report_generator';
-
 import { getComparisonPrices } from './comparison_price';
 import {
    BUY_SOURCE_FILTER_BY_CHAIN_ID,
@@ -862,14 +861,9 @@ export class MarketOperationUtils {
    }

    private async _refreshPoolCacheIfRequiredAsync(takerToken: string, makerToken: string): Promise<void> {
-        void Promise.all(
-            Object.values(this._sampler.poolsCaches).map(async cache => {
-                if (!cache || cache.isFresh(takerToken, makerToken)) {
-                    return Promise.resolve([]);
-                }
-                return cache.getFreshPoolsForPairAsync(takerToken, makerToken);
-            }),
-        );
+        _.values(this._sampler.poolsCaches)
+            .filter(cache => cache !== undefined && !cache.isFresh(takerToken, makerToken))
+            .forEach(cache => cache?.getFreshPoolsForPairAsync(takerToken, makerToken));
    }
 }

--- a/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/orders.ts
@@ -43,6 +43,7 @@ import {
    UniswapV3FillData,
    UniswapV3PathAmount,
    VelodromeFillData,
+    WOOFiFillData,
 } from './types';

 // tslint:disable completed-docs
@@ -213,6 +214,8 @@ export function getErc20BridgeSourceToBridgeSource(source: ERC20BridgeSource): s
            return encodeBridgeSourceId(BridgeProtocol.Velodrome, 'Velodrome');
        case ERC20BridgeSource.Synthetix:
            return encodeBridgeSourceId(BridgeProtocol.Synthetix, 'Synthetix');
+        case ERC20BridgeSource.WOOFi:
+            return encodeBridgeSourceId(BridgeProtocol.WOOFi, 'WOOFi');
        default:
            throw new Error(AggregationError.NoBridgeForSource);
    }
@@ -402,6 +405,10 @@ export function createBridgeDataForBridgeOrder(order: OptimizedMarketBridgeOrder
                fillData.makerTokenSymbolBytes32,
            ]);
            break;
+        case ERC20BridgeSource.WOOFi:
+            const woofiFillData = (order as OptimizedMarketBridgeOrder<WOOFiFillData>).fillData;
+            bridgeData = encoder.encode([woofiFillData.poolAddress]);
+            break;
        default:
            throw new Error(AggregationError.NoBridgeForSource);
    }
@@ -529,6 +536,7 @@ export const BRIDGE_ENCODERS: {
    [ERC20BridgeSource.Geist]: AbiEncoder.create('(address,address)'),
    [ERC20BridgeSource.Velodrome]: AbiEncoder.create('(address,bool)'),
    [ERC20BridgeSource.Synthetix]: AbiEncoder.create('(address,bytes32,bytes32)'),
+    [ERC20BridgeSource.WOOFi]: AbiEncoder.create('(address)'),
 };

 function getFillTokenAmounts(fill: Fill, side: MarketOperation): [BigNumber, BigNumber] {
--- a/packages/asset-swapper/src/utils/market_operation_utils/path_optimizer.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/path_optimizer.ts
@@ -14,7 +14,7 @@ import { dexSampleToFill, ethToOutputAmount, nativeOrderToFill } from './fills';
 import { Path, PathPenaltyOpts } from './path';
 import { DexSample, ERC20BridgeSource, FeeSchedule, Fill, FillAdjustor, FillData, SamplerMetrics } from './types';

-// tslint:disable: prefer-for-of custom-no-magic-numbers completed-docs no-bitwise
+// tslint:disable: prefer-for-of completed-docs no-bitwise

 // NOTE: The Rust router will panic with less than 3 samples
 const MIN_NUM_SAMPLE_INPUTS = 3;
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_pools_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_pools_cache.ts
@@ -1,16 +1,19 @@
+import { ChainId } from '@0x/contract-addresses';
 import { getPoolsWithTokens, parsePoolData } from 'balancer-labs-sor-v1';
 import { Pool } from 'balancer-labs-sor-v1/dist/types';
 import { gql, request } from 'graphql-request';

 import { DEFAULT_WARNING_LOGGER } from '../../../constants';
 import { LogFunction } from '../../../types';
-import { BALANCER_MAX_POOLS_FETCHED, BALANCER_SUBGRAPH_URL, BALANCER_TOP_POOLS_FETCHED } from '../constants';
+import { BALANCER_MAX_POOLS_FETCHED, BALANCER_TOP_POOLS_FETCHED } from '../constants';

-import { CacheValue, PoolsCache } from './pools_cache';
+import { NoOpPoolsCache } from './no_op_pools_cache';
+import { AbstractPoolsCache, CacheValue, PoolsCache } from './pools_cache';

-// tslint:disable:custom-no-magic-numbers
 const ONE_DAY_MS = 24 * 60 * 60 * 1000;
-// tslint:enable:custom-no-magic-numbers
+// tslint:disable: member-ordering
+
+const BALANCER_SUBGRAPH_URL = 'https://api.thegraph.com/subgraphs/name/balancer-labs/balancer';

 interface BalancerPoolResponse {
    id: string;
@@ -20,10 +23,18 @@ interface BalancerPoolResponse {
    totalWeight: string;
 }

-export class BalancerPoolsCache extends PoolsCache {
-    constructor(
+export class BalancerPoolsCache extends AbstractPoolsCache {
+    public static create(chainId: ChainId): PoolsCache {
+        if (chainId !== ChainId.Mainnet) {
+            return new NoOpPoolsCache();
+        }
+
+        return new BalancerPoolsCache();
+    }
+
+    private constructor(
        private readonly _subgraphUrl: string = BALANCER_SUBGRAPH_URL,
-        cache: { [key: string]: CacheValue } = {},
+        cache: Map<string, CacheValue> = new Map(),
        private readonly maxPoolsFetched: number = BALANCER_MAX_POOLS_FETCHED,
        private readonly _topPoolsFetched: number = BALANCER_TOP_POOLS_FETCHED,
        private readonly _warningLogger: LogFunction = DEFAULT_WARNING_LOGGER,
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_v2_pools_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_v2_pools_cache.ts
@@ -9,13 +9,15 @@ import { LogFunction } from '../../../types';
 import { BALANCER_MAX_POOLS_FETCHED, BALANCER_TOP_POOLS_FETCHED } from '../constants';

 import { parsePoolData } from './balancer_sor_v2';
-import { CacheValue, PoolsCache } from './pools_cache';
+import { NoOpPoolsCache } from './no_op_pools_cache';
+import { AbstractPoolsCache, CacheValue, PoolsCache } from './pools_cache';
+
+// tslint:disable: member-ordering

 const BEETHOVEN_X_SUBGRAPH_URL_BY_CHAIN = new Map<ChainId, string>([
    [ChainId.Fantom, 'https://api.thegraph.com/subgraphs/name/beethovenxfi/beethovenx'],
 ]);

-// tslint:disable-next-line:custom-no-magic-numbers
 const ONE_DAY_MS = 24 * 60 * 60 * 1000;

 interface BalancerPoolResponse {
@@ -28,11 +30,11 @@ interface BalancerPoolResponse {
    amp: string | null;
 }

-export class BalancerV2PoolsCache extends PoolsCache {
-    public static createBeethovenXPoolCache(chainId: ChainId): BalancerV2PoolsCache | undefined {
+export class BalancerV2PoolsCache extends AbstractPoolsCache {
+    public static createBeethovenXPoolCache(chainId: ChainId): PoolsCache {
        const subgraphUrl = BEETHOVEN_X_SUBGRAPH_URL_BY_CHAIN.get(chainId);
        if (subgraphUrl === undefined) {
-            return undefined;
+            return new NoOpPoolsCache();
        }

        return new BalancerV2PoolsCache(subgraphUrl);
@@ -58,12 +60,12 @@ export class BalancerV2PoolsCache extends PoolsCache {
        };
    }

-    constructor(
+    private constructor(
        private readonly subgraphUrl: string,
        private readonly maxPoolsFetched: number = BALANCER_MAX_POOLS_FETCHED,
        private readonly _topPoolsFetched: number = BALANCER_TOP_POOLS_FETCHED,
        private readonly _warningLogger: LogFunction = DEFAULT_WARNING_LOGGER,
-        cache: { [key: string]: CacheValue } = {},
+        cache: Map<string, CacheValue> = new Map(),
    ) {
        super(cache);
        void this._loadTopPoolsAsync();
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_v2_swap_info_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/balancer_v2_swap_info_cache.ts
@@ -20,7 +20,6 @@ import { BalancerSwapInfo, BalancerSwaps } from '../types';
 import { CacheValue, EMPTY_BALANCER_SWAPS, SwapInfoCache } from './pair_swaps_cache';
 import { SubgraphPoolDataService } from './sgPoolDataService';

-// tslint:disable-next-line:custom-no-magic-numbers
 const ONE_DAY_MS = 24 * 60 * 60 * ONE_SECOND_MS;

 export interface BalancerPoolResponse {
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/cream_pools_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/cream_pools_cache.ts
@@ -1,18 +1,20 @@
+import { ChainId } from '@0x/contract-addresses';
 import { Pool } from 'balancer-labs-sor-v1/dist/types';
 import { getPoolsWithTokens, parsePoolData } from 'cream-sor';

 import { BALANCER_MAX_POOLS_FETCHED } from '../constants';

-import { CacheValue, PoolsCache } from './pools_cache';
+import { NoOpPoolsCache } from './no_op_pools_cache';
+import { AbstractPoolsCache, CacheValue, PoolsCache } from './pools_cache';

-export class CreamPoolsCache extends PoolsCache {
-    constructor(
-        _cache: { [key: string]: CacheValue } = {},
-        private readonly maxPoolsFetched: number = BALANCER_MAX_POOLS_FETCHED,
-    ) {
-        super(_cache);
+export class CreamPoolsCache extends AbstractPoolsCache {
+    public static create(chainId: ChainId): PoolsCache {
+        if (chainId !== ChainId.Mainnet) {
+            return new NoOpPoolsCache();
+        }
+
+        return new CreamPoolsCache();
    }
-
    protected async _fetchPoolsForPairAsync(takerToken: string, makerToken: string): Promise<Pool[]> {
        try {
            const poolData = (await getPoolsWithTokens(takerToken, makerToken)).pools;
@@ -25,4 +27,10 @@ export class CreamPoolsCache extends PoolsCache {
            return [];
        }
    }
+    private constructor(
+        _cache: Map<string, CacheValue> = new Map(),
+        private readonly maxPoolsFetched: number = BALANCER_MAX_POOLS_FETCHED,
+    ) {
+        super(_cache);
+    }
 }
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/index.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/index.ts
@@ -1,4 +1,4 @@
-export { BalancerPoolsCache } from './balancer_utils';
-export { BalancerV2PoolsCache } from './balancer_v2_utils';
-export { CreamPoolsCache } from './cream_utils';
-export { PoolsCache } from './pools_cache';
+export { BalancerPoolsCache } from './balancer_pools_cache';
+export { BalancerV2PoolsCache } from './balancer_v2_pools_cache';
+export { CreamPoolsCache } from './cream_pools_cache';
+export { AbstractPoolsCache, PoolsCache } from './pools_cache';
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/no_op_pools_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/no_op_pools_cache.ts
@@ -0,0 +1,21 @@
+import { Pool, PoolsCache } from './pools_cache';
+
+// tslint:disable:prefer-function-over-method
+
+export class NoOpPoolsCache implements PoolsCache {
+    public async getFreshPoolsForPairAsync(
+        _takerToken: string,
+        _makerToken: string,
+        _timeoutMs?: number | undefined,
+    ): Promise<Pool[]> {
+        return [];
+    }
+
+    public getPoolAddressesForPair(_takerToken: string, _makerToken: string): string[] {
+        return [];
+    }
+
+    public isFresh(_takerToken: string, _makerToken: string): boolean {
+        return true;
+    }
+}
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/pair_swaps_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/pair_swaps_cache.ts
@@ -1,18 +1,15 @@
-import { BalancerSwaps } from '../types';
-
 import { ONE_HOUR_IN_SECONDS, ONE_SECOND_MS } from '../constants';
+import { BalancerSwaps } from '../types';

 export interface CacheValue {
    expiresAt: number;
    balancerSwaps: BalancerSwaps;
 }

-// tslint:disable:custom-no-magic-numbers
 // Cache results for 30mins
 const DEFAULT_CACHE_TIME_MS = (ONE_HOUR_IN_SECONDS / 2) * ONE_SECOND_MS;
 const DEFAULT_TIMEOUT_MS = ONE_SECOND_MS;
 export const EMPTY_BALANCER_SWAPS = { swapInfoExactIn: [], swapInfoExactOut: [] };
-// tslint:enable:custom-no-magic-numbers

 /**
 * Caches SwapInfo for a pair of tokens.
--- a/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/pools_cache.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/pools_cache/pools_cache.ts
@@ -7,18 +7,30 @@ export interface CacheValue {
    pools: Pool[];
 }

-// tslint:disable:custom-no-magic-numbers
 // Cache results for 30mins
 const DEFAULT_CACHE_TIME_MS = (ONE_HOUR_IN_SECONDS / 2) * ONE_SECOND_MS;
-const DEFAULT_TIMEOUT_MS = 1000;
-// tslint:enable:custom-no-magic-numbers
+const DEFAULT_TIMEOUT_MS = 3000;

-export abstract class PoolsCache {
-    protected static _isExpired(value: CacheValue): boolean {
+export interface PoolsCache {
+    getFreshPoolsForPairAsync(takerToken: string, makerToken: string, timeoutMs?: number): Promise<Pool[]>;
+    getPoolAddressesForPair(takerToken: string, makerToken: string): string[];
+    isFresh(takerToken: string, makerToken: string): boolean;
+}
+
+export abstract class AbstractPoolsCache implements PoolsCache {
+    protected static _getKey(takerToken: string, makerToken: string): string {
+        return `${takerToken}-${makerToken}`;
+    }
+
+    protected static _isExpired(value: CacheValue | undefined): boolean {
+        if (value === undefined) {
+            return true;
+        }
        return Date.now() >= value.expiresAt;
    }
+
    constructor(
-        protected readonly _cache: { [key: string]: CacheValue },
+        protected readonly _cache: Map<string, CacheValue>,
        protected readonly _cacheTimeMs: number = DEFAULT_CACHE_TIME_MS,
    ) {}

@@ -31,47 +43,42 @@ export abstract class PoolsCache {
        return Promise.race([this._getAndSaveFreshPoolsForPairAsync(takerToken, makerToken), timeout]);
    }

-    public getCachedPoolAddressesForPair(
-        takerToken: string,
-        makerToken: string,
-        ignoreExpired: boolean = true,
-    ): string[] | undefined {
-        const key = JSON.stringify([takerToken, makerToken]);
-        const value = this._cache[key];
-        if (ignoreExpired) {
-            return value === undefined ? [] : value.pools.map(pool => pool.id);
-        }
-        if (!value) {
-            return undefined;
-        }
-        if (PoolsCache._isExpired(value)) {
-            return undefined;
-        }
-        return (value || []).pools.map(pool => pool.id);
+    /**
+     * Returns pool addresses (can be stale) for a pair.
+     *
+     * An empty array will be returned if cache does not exist.
+     */
+    public getPoolAddressesForPair(takerToken: string, makerToken: string): string[] {
+        const value = this._getValue(takerToken, makerToken);
+        return value === undefined ? [] : value.pools.map(pool => pool.id);
    }

    public isFresh(takerToken: string, makerToken: string): boolean {
-        const cached = this.getCachedPoolAddressesForPair(takerToken, makerToken, false);
-        return cached !== undefined;
+        const value = this._getValue(takerToken, makerToken);
+        return !AbstractPoolsCache._isExpired(value);
+    }
+
+    protected _getValue(takerToken: string, makerToken: string): CacheValue | undefined {
+        const key = AbstractPoolsCache._getKey(takerToken, makerToken);
+        return this._cache.get(key);
    }

    protected async _getAndSaveFreshPoolsForPairAsync(takerToken: string, makerToken: string): Promise<Pool[]> {
-        const key = JSON.stringify([takerToken, makerToken]);
-        const value = this._cache[key];
-        if (value === undefined || value.expiresAt >= Date.now()) {
-            const pools = await this._fetchPoolsForPairAsync(takerToken, makerToken);
-            const expiresAt = Date.now() + this._cacheTimeMs;
-            this._cachePoolsForPair(takerToken, makerToken, pools, expiresAt);
+        const key = AbstractPoolsCache._getKey(takerToken, makerToken);
+        const value = this._cache.get(key);
+        if (!AbstractPoolsCache._isExpired(value)) {
+            return value!.pools;
        }
-        return this._cache[key].pools;
+
+        const pools = await this._fetchPoolsForPairAsync(takerToken, makerToken);
+        const expiresAt = Date.now() + this._cacheTimeMs;
+        this._cachePoolsForPair(takerToken, makerToken, pools, expiresAt);
+        return pools;
    }

    protected _cachePoolsForPair(takerToken: string, makerToken: string, pools: Pool[], expiresAt: number): void {
-        const key = JSON.stringify([takerToken, makerToken]);
-        this._cache[key] = {
-            pools,
-            expiresAt,
-        };
+        const key = AbstractPoolsCache._getKey(takerToken, makerToken);
+        this._cache.set(key, { pools, expiresAt });
    }

    protected abstract _fetchPoolsForPairAsync(takerToken: string, makerToken: string): Promise<Pool[]>;
--- a/packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/sampler_operations.ts
@@ -26,9 +26,9 @@ import {
    AAVE_V2_SUBGRAPH_URL_BY_CHAIN_ID,
    AVALANCHE_TOKENS,
    BALANCER_V2_VAULT_ADDRESS_BY_CHAIN,
-    BANCOR_REGISTRY_BY_CHAIN_ID,
    BANCORV3_NETWORK_BY_CHAIN_ID,
    BANCORV3_NETWORK_INFO_BY_CHAIN_ID,
+    BANCOR_REGISTRY_BY_CHAIN_ID,
    BEETHOVEN_X_VAULT_ADDRESS_BY_CHAIN,
    COMPOUND_API_URL_BY_CHAIN_ID,
    DODOV1_CONFIG_BY_CHAIN_ID,
@@ -52,12 +52,14 @@ import {
    UNISWAPV1_ROUTER_BY_CHAIN_ID,
    UNISWAPV3_CONFIG_BY_CHAIN_ID,
    VELODROME_ROUTER_BY_CHAIN_ID,
+    WOOFI_POOL_BY_CHAIN_ID,
+    WOOFI_SUPPORTED_TOKENS,
    ZERO_AMOUNT,
 } from './constants';
 import { getGeistInfoForPair } from './geist_utils';
 import { getLiquidityProvidersForPair } from './liquidity_provider_utils';
-import { BalancerPoolsCache, BalancerV2PoolsCache, CreamPoolsCache } from './pools_cache';
-import { BalancerV2SwapInfoCache } from './pools_cache/balancer_v2_utils_new';
+import { BalancerPoolsCache, BalancerV2PoolsCache, CreamPoolsCache, PoolsCache } from './pools_cache';
+import { BalancerV2SwapInfoCache } from './pools_cache/balancer_v2_swap_info_cache';
 import { SamplerContractOperation } from './sampler_contract_operation';
 import { SamplerNoOperation } from './sampler_no_operation';
 import { SourceFilters } from './source_filters';
@@ -99,6 +101,7 @@ import {
    UniswapV2FillData,
    UniswapV3FillData,
    VelodromeFillData,
+    WOOFiFillData,
 } from './types';

 /**
@@ -114,10 +117,10 @@ export const TWO_HOP_SOURCE_FILTERS = SourceFilters.all().exclude([
 export const BATCH_SOURCE_FILTERS = SourceFilters.all().exclude([ERC20BridgeSource.MultiHop, ERC20BridgeSource.Native]);

 export interface PoolsCacheMap {
-    [ERC20BridgeSource.Balancer]: BalancerPoolsCache;
+    [ERC20BridgeSource.Balancer]: PoolsCache;
    [ERC20BridgeSource.BalancerV2]: BalancerV2SwapInfoCache | undefined;
-    [ERC20BridgeSource.Beethovenx]: BalancerV2PoolsCache | undefined;
-    [ERC20BridgeSource.Cream]: CreamPoolsCache;
+    [ERC20BridgeSource.Beethovenx]: PoolsCache;
+    [ERC20BridgeSource.Cream]: PoolsCache;
 }

 // tslint:disable:no-inferred-empty-object-type no-unbound-method
@@ -156,8 +159,8 @@ export class SamplerOperations {
            ? poolsCaches
            : {
                  [ERC20BridgeSource.Beethovenx]: BalancerV2PoolsCache.createBeethovenXPoolCache(chainId),
-                  [ERC20BridgeSource.Balancer]: new BalancerPoolsCache(),
-                  [ERC20BridgeSource.Cream]: new CreamPoolsCache(),
+                  [ERC20BridgeSource.Balancer]: BalancerPoolsCache.create(chainId),
+                  [ERC20BridgeSource.Cream]: CreamPoolsCache.create(chainId),
                  [ERC20BridgeSource.BalancerV2]:
                      BALANCER_V2_VAULT_ADDRESS_BY_CHAIN[chainId] === NULL_ADDRESS
                          ? undefined
@@ -1364,6 +1367,35 @@ export class SamplerOperations {
            },
        });
    }
+    public getWOOFiSellQuotes(
+        poolAddress: string,
+        takerToken: string,
+        makerToken: string,
+        makerFillAmounts: BigNumber[],
+    ): SourceQuoteOperation<WOOFiFillData> {
+        return new SamplerContractOperation({
+            fillData: { poolAddress, takerToken, makerToken },
+            source: ERC20BridgeSource.WOOFi,
+            contract: this._samplerContract,
+            function: this._samplerContract.sampleSellsFromWooPP,
+            params: [poolAddress, takerToken, makerToken, makerFillAmounts],
+        });
+    }
+
+    public getWOOFiBuyQuotes(
+        poolAddress: string,
+        takerToken: string,
+        makerToken: string,
+        makerFillAmounts: BigNumber[],
+    ): SourceQuoteOperation<WOOFiFillData> {
+        return new SamplerContractOperation({
+            fillData: { poolAddress, takerToken, makerToken },
+            source: ERC20BridgeSource.WOOFi,
+            contract: this._samplerContract,
+            function: this._samplerContract.sampleBuysFromWooPP,
+            params: [poolAddress, takerToken, makerToken, makerFillAmounts],
+        });
+    }

    /**
     * Returns the best price for the native token
@@ -1592,20 +1624,17 @@ export class SamplerOperations {
                                ),
                        ];
                    case ERC20BridgeSource.Balancer:
-                        return (
-                            this.poolsCaches[ERC20BridgeSource.Balancer].getCachedPoolAddressesForPair(
-                                takerToken,
-                                makerToken,
-                            ) || []
-                        ).map(balancerPool =>
-                            this.getBalancerSellQuotes(
-                                balancerPool,
-                                makerToken,
-                                takerToken,
-                                takerFillAmounts,
-                                ERC20BridgeSource.Balancer,
-                            ),
-                        );
+                        return this.poolsCaches[ERC20BridgeSource.Balancer]
+                            .getPoolAddressesForPair(takerToken, makerToken)
+                            .map(balancerPool =>
+                                this.getBalancerSellQuotes(
+                                    balancerPool,
+                                    makerToken,
+                                    takerToken,
+                                    takerFillAmounts,
+                                    ERC20BridgeSource.Balancer,
+                                ),
+                            );
                    case ERC20BridgeSource.BalancerV2: {
                        const cache = this.poolsCaches[source];
                        if (!cache) {
@@ -1624,18 +1653,14 @@ export class SamplerOperations {
                    }
                    case ERC20BridgeSource.Beethovenx: {
                        const cache = this.poolsCaches[source];
-                        if (cache === undefined) {
-                            return [];
-                        }
-                        const poolIds = cache.getCachedPoolAddressesForPair(takerToken, makerToken) || [];
-
+                        const poolAddresses = cache.getPoolAddressesForPair(takerToken, makerToken);
                        const vault = BEETHOVEN_X_VAULT_ADDRESS_BY_CHAIN[this.chainId];
                        if (vault === NULL_ADDRESS) {
                            return [];
                        }
-                        return poolIds.map(poolId =>
+                        return poolAddresses.map(poolAddress =>
                            this.getBalancerV2SellQuotes(
-                                { poolId, vault },
+                                { poolId: poolAddress, vault },
                                makerToken,
                                takerToken,
                                takerFillAmounts,
@@ -1644,20 +1669,17 @@ export class SamplerOperations {
                        );
                    }
                    case ERC20BridgeSource.Cream:
-                        return (
-                            this.poolsCaches[ERC20BridgeSource.Cream].getCachedPoolAddressesForPair(
-                                takerToken,
-                                makerToken,
-                            ) || []
-                        ).map(creamPool =>
-                            this.getBalancerSellQuotes(
-                                creamPool,
-                                makerToken,
-                                takerToken,
-                                takerFillAmounts,
-                                ERC20BridgeSource.Cream,
-                            ),
-                        );
+                        return this.poolsCaches[ERC20BridgeSource.Cream]
+                            .getPoolAddressesForPair(takerToken, makerToken)
+                            .map(creamPool =>
+                                this.getBalancerSellQuotes(
+                                    creamPool,
+                                    makerToken,
+                                    takerToken,
+                                    takerFillAmounts,
+                                    ERC20BridgeSource.Cream,
+                                ),
+                            );
                    case ERC20BridgeSource.Dodo:
                        if (!isValidAddress(DODOV1_CONFIG_BY_CHAIN_ID[this.chainId].registry)) {
                            return [];
@@ -1810,6 +1832,17 @@ export class SamplerOperations {
                            takerFillAmounts,
                        );
                    }
+                    case ERC20BridgeSource.WOOFi: {
+                        if (!(WOOFI_SUPPORTED_TOKENS.has(takerToken) && WOOFI_SUPPORTED_TOKENS.has(makerToken))) {
+                            return [];
+                        }
+                        return this.getWOOFiSellQuotes(
+                            WOOFI_POOL_BY_CHAIN_ID[this.chainId],
+                            takerToken,
+                            makerToken,
+                            takerFillAmounts,
+                        );
+                    }
                    default:
                        throw new Error(`Unsupported sell sample source: ${source}`);
                }
@@ -1948,20 +1981,17 @@ export class SamplerOperations {
                                ),
                        ];
                    case ERC20BridgeSource.Balancer:
-                        return (
-                            this.poolsCaches[ERC20BridgeSource.Balancer].getCachedPoolAddressesForPair(
-                                takerToken,
-                                makerToken,
-                            ) || []
-                        ).map(poolAddress =>
-                            this.getBalancerBuyQuotes(
-                                poolAddress,
-                                makerToken,
-                                takerToken,
-                                makerFillAmounts,
-                                ERC20BridgeSource.Balancer,
-                            ),
-                        );
+                        return this.poolsCaches[ERC20BridgeSource.Balancer]
+                            .getPoolAddressesForPair(takerToken, makerToken)
+                            .map(poolAddress =>
+                                this.getBalancerBuyQuotes(
+                                    poolAddress,
+                                    makerToken,
+                                    takerToken,
+                                    makerFillAmounts,
+                                    ERC20BridgeSource.Balancer,
+                                ),
+                            );
                    case ERC20BridgeSource.BalancerV2: {
                        const cache = this.poolsCaches[source];
                        if (!cache) {
@@ -1986,11 +2016,7 @@ export class SamplerOperations {
                    }
                    case ERC20BridgeSource.Beethovenx: {
                        const cache = this.poolsCaches[source];
-                        if (cache === undefined) {
-                            return [];
-                        }
-                        const poolIds = cache.getCachedPoolAddressesForPair(takerToken, makerToken) || [];
-
+                        const poolIds = cache.getPoolAddressesForPair(takerToken, makerToken) || [];
                        const vault = BEETHOVEN_X_VAULT_ADDRESS_BY_CHAIN[this.chainId];
                        if (vault === NULL_ADDRESS) {
                            return [];
@@ -2006,20 +2032,17 @@ export class SamplerOperations {
                        );
                    }
                    case ERC20BridgeSource.Cream:
-                        return (
-                            this.poolsCaches[ERC20BridgeSource.Cream].getCachedPoolAddressesForPair(
-                                takerToken,
-                                makerToken,
-                            ) || []
-                        ).map(poolAddress =>
-                            this.getBalancerBuyQuotes(
-                                poolAddress,
-                                makerToken,
-                                takerToken,
-                                makerFillAmounts,
-                                ERC20BridgeSource.Cream,
-                            ),
-                        );
+                        return this.poolsCaches[ERC20BridgeSource.Cream]
+                            .getPoolAddressesForPair(takerToken, makerToken)
+                            .map(poolAddress =>
+                                this.getBalancerBuyQuotes(
+                                    poolAddress,
+                                    makerToken,
+                                    takerToken,
+                                    makerFillAmounts,
+                                    ERC20BridgeSource.Cream,
+                                ),
+                            );
                    case ERC20BridgeSource.Dodo:
                        if (!isValidAddress(DODOV1_CONFIG_BY_CHAIN_ID[this.chainId].registry)) {
                            return [];
@@ -2160,6 +2183,17 @@ export class SamplerOperations {
                            makerFillAmounts,
                        );
                    }
+                    case ERC20BridgeSource.WOOFi: {
+                        if (!(WOOFI_SUPPORTED_TOKENS.has(takerToken) && WOOFI_SUPPORTED_TOKENS.has(makerToken))) {
+                            return [];
+                        }
+                        return this.getWOOFiBuyQuotes(
+                            WOOFI_POOL_BY_CHAIN_ID[this.chainId],
+                            takerToken,
+                            makerToken,
+                            makerFillAmounts,
+                        );
+                    }
                    default:
                        throw new Error(`Unsupported buy sample source: ${source}`);
                }
--- a/packages/asset-swapper/src/utils/market_operation_utils/types.ts
+++ b/packages/asset-swapper/src/utils/market_operation_utils/types.ts
@@ -69,6 +69,7 @@ export enum ERC20BridgeSource {
    Synapse = 'Synapse',
    BancorV3 = 'BancorV3',
    Synthetix = 'Synthetix',
+    WOOFi = 'WOOFi',
    // BSC only
    PancakeSwap = 'PancakeSwap',
    PancakeSwapV2 = 'PancakeSwap_V2',
@@ -373,6 +374,12 @@ export interface PlatypusFillData extends FillData {
    tokenAddressPath: string[];
 }

+export interface WOOFiFillData extends FillData {
+    poolAddress: string;
+    takerToken: string;
+    makerToken: string;
+}
+
 export interface VelodromeFillData extends FillData {
    router: string;
    stable: boolean;
@@ -617,15 +624,6 @@ export interface OptimizerResultWithReport extends OptimizerResult {
    priceComparisonsReport?: PriceComparisonsReport;
 }

-export type MarketDepthSide = Array<Array<DexSample<FillData>>>;
-
-export interface MarketDepth {
-    bids: MarketDepthSide;
-    asks: MarketDepthSide;
-    makerTokenDecimals: number;
-    takerTokenDecimals: number;
-}
-
 export interface MarketSideLiquidity {
    side: MarketOperation;
    inputAmount: BigNumber;
--- a/packages/asset-swapper/src/utils/protocol_fee_utils.ts
+++ b/packages/asset-swapper/src/utils/protocol_fee_utils.ts
@@ -6,28 +6,36 @@ import { SwapQuoterError } from '../types';

 const MAX_ERROR_COUNT = 5;

+interface GasOracleResponse {
+    result: {
+        // gas price in wei
+        fast: number;
+    };
+}
+
 export class ProtocolFeeUtils {
    private static _instance: ProtocolFeeUtils;
-    private readonly _ethGasStationUrl!: string;
+    private readonly _zeroExGasApiUrl: string;
    private readonly _gasPriceHeart: any;
    private _gasPriceEstimation: BigNumber = constants.ZERO_AMOUNT;
    private _errorCount: number = 0;

    public static getInstance(
        gasPricePollingIntervalInMs: number,
-        ethGasStationUrl: string = constants.ETH_GAS_STATION_API_URL,
+        zeroExGasApiUrl: string = constants.ZERO_EX_GAS_API_URL,
        initialGasPrice: BigNumber = constants.ZERO_AMOUNT,
    ): ProtocolFeeUtils {
        if (!ProtocolFeeUtils._instance) {
            ProtocolFeeUtils._instance = new ProtocolFeeUtils(
                gasPricePollingIntervalInMs,
-                ethGasStationUrl,
+                zeroExGasApiUrl,
                initialGasPrice,
            );
        }
        return ProtocolFeeUtils._instance;
    }

+    /** @returns gas price (in wei) */
    public async getGasPriceEstimationOrThrowAsync(shouldHardRefresh?: boolean): Promise<BigNumber> {
        if (this._gasPriceEstimation.eq(constants.ZERO_AMOUNT)) {
            return this._getGasPriceFromGasStationOrThrowAsync();
@@ -48,27 +56,21 @@ export class ProtocolFeeUtils {

    private constructor(
        gasPricePollingIntervalInMs: number,
-        ethGasStationUrl: string = constants.ETH_GAS_STATION_API_URL,
+        zeroExGasApiUrl: string = constants.ZERO_EX_GAS_API_URL,
        initialGasPrice: BigNumber = constants.ZERO_AMOUNT,
    ) {
        this._gasPriceHeart = heartbeats.createHeart(gasPricePollingIntervalInMs);
        this._gasPriceEstimation = initialGasPrice;
-        this._ethGasStationUrl = ethGasStationUrl;
+        this._zeroExGasApiUrl = zeroExGasApiUrl;
        this._initializeHeartBeat();
    }

    // tslint:disable-next-line: prefer-function-over-method
    private async _getGasPriceFromGasStationOrThrowAsync(): Promise<BigNumber> {
        try {
-            const res = await fetch(this._ethGasStationUrl);
-            const gasInfo = await res.json();
-            // Eth Gas Station result is gwei * 10
-            // tslint:disable-next-line:custom-no-magic-numbers
-            const BASE_TEN = 10;
-            const gasPriceGwei = new BigNumber(gasInfo.fast / BASE_TEN);
-            // tslint:disable-next-line:custom-no-magic-numbers
-            const unit = new BigNumber(BASE_TEN).pow(9);
-            const gasPriceWei = unit.times(gasPriceGwei);
+            const res = await fetch(this._zeroExGasApiUrl);
+            const gasInfo: GasOracleResponse = await res.json();
+            const gasPriceWei = new BigNumber(gasInfo.result.fast);
            // Reset the error count to 0 once we have a successful response
            this._errorCount = 0;
            return gasPriceWei;
--- a/packages/asset-swapper/test/artifacts.ts
+++ b/packages/asset-swapper/test/artifacts.ts
@@ -51,6 +51,7 @@ import * as UniswapV2Sampler from '../test/generated-artifacts/UniswapV2Sampler.
 import * as UniswapV3Sampler from '../test/generated-artifacts/UniswapV3Sampler.json';
 import * as UtilitySampler from '../test/generated-artifacts/UtilitySampler.json';
 import * as VelodromeSampler from '../test/generated-artifacts/VelodromeSampler.json';
+import * as WooPPSampler from '../test/generated-artifacts/WooPPSampler.json';
 export const artifacts = {
    ApproximateBuys: ApproximateBuys as ContractArtifact,
    BalanceChecker: BalanceChecker as ContractArtifact,
@@ -84,6 +85,7 @@ export const artifacts = {
    UniswapV3Sampler: UniswapV3Sampler as ContractArtifact,
    UtilitySampler: UtilitySampler as ContractArtifact,
    VelodromeSampler: VelodromeSampler as ContractArtifact,
+    WooPPSampler: WooPPSampler as ContractArtifact,
    IBalancer: IBalancer as ContractArtifact,
    IBalancerV2Vault: IBalancerV2Vault as ContractArtifact,
    IBancor: IBancor as ContractArtifact,
--- a/packages/asset-swapper/test/market_operation_utils_test.ts
+++ b/packages/asset-swapper/test/market_operation_utils_test.ts
@@ -24,7 +24,7 @@ import {
    SOURCE_FLAGS,
    ZERO_AMOUNT,
 } from '../src/utils/market_operation_utils/constants';
-import { PoolsCache } from '../src/utils/market_operation_utils/pools_cache';
+import { AbstractPoolsCache } from '../src/utils/market_operation_utils/pools_cache';
 import { DexOrderSampler } from '../src/utils/market_operation_utils/sampler';
 import { BATCH_SOURCE_FILTERS } from '../src/utils/market_operation_utils/sampler_operations';
 import { SourceFilters } from '../src/utils/market_operation_utils/source_filters';
@@ -98,9 +98,9 @@ async function getMarketBuyOrdersAsync(
    return utils.getOptimizerResultAsync(nativeOrders, makerAmount, MarketOperation.Buy, opts);
 }

-class MockPoolsCache extends PoolsCache {
+class MockPoolsCache extends AbstractPoolsCache {
    constructor(private readonly _handler: (takerToken: string, makerToken: string) => Pool[]) {
-        super({});
+        super(new Map());
    }
    protected async _fetchPoolsForPairAsync(takerToken: string, makerToken: string): Promise<Pool[]> {
        return this._handler(takerToken, makerToken);
--- a/packages/asset-swapper/test/pools_cache_test.ts
+++ b/packages/asset-swapper/test/pools_cache_test.ts
@@ -28,12 +28,12 @@ describe('Pools Caches for Balancer-based sampling', () => {
        expect(pools.length).greaterThan(0, `Failed to find any pools for ${takerToken} and ${makerToken}`);
        expect(pools[0]).not.undefined();
        expect(Object.keys(pools[0])).to.include.members(poolKeys);
-        const cachedPoolIds = cache.getCachedPoolAddressesForPair(takerToken, makerToken);
+        const cachedPoolIds = cache.getPoolAddressesForPair(takerToken, makerToken);
        expect(cachedPoolIds).to.deep.equal(pools.map(p => p.id));
    }

    describe('BalancerPoolsCache', () => {
-        const cache = new BalancerPoolsCache();
+        const cache = BalancerPoolsCache.create(ChainId.Mainnet);
        it('fetches pools', async () => {
            const pairs = [
                [usdcAddress, daiAddress],
@@ -58,15 +58,14 @@ describe('Pools Caches for Balancer-based sampling', () => {
                [wftmAddress, fantomWethAddress],
            ];

-            expect(cache).not.null();
            await Promise.all(
-                pairs.map(async ([takerToken, makerToken]) => fetchAndAssertPoolsAsync(cache!, takerToken, makerToken)),
+                pairs.map(async ([takerToken, makerToken]) => fetchAndAssertPoolsAsync(cache, takerToken, makerToken)),
            );
        });
    });

    describe('CreamPoolsCache', () => {
-        const cache = new CreamPoolsCache();
+        const cache = CreamPoolsCache.create(ChainId.Mainnet);
        it('fetches pools', async () => {
            const pairs = [
                [usdcAddress, creamAddress],
--- a/packages/asset-swapper/test/protocol_fee_utils_test.ts
+++ b/packages/asset-swapper/test/protocol_fee_utils_test.ts
@@ -0,0 +1,45 @@
+import * as chai from 'chai';
+import 'mocha';
+import { rest } from 'msw';
+import { setupServer } from 'msw/node';
+
+import { ProtocolFeeUtils } from '../src';
+
+import { chaiSetup } from './utils/chai_setup';
+chaiSetup.configure();
+const expect = chai.expect;
+
+const server = setupServer(
+    rest.get('https://mock-0x-gas-api.org/median', (_req, res, ctx) => {
+        return res(
+            ctx.json({
+                result: {
+                    source: 'MEDIAN',
+                    timestamp: 1659386474,
+                    instant: 22000000000,
+                    fast: 18848500000,
+                    standard: 14765010000,
+                    low: 13265000000,
+                },
+            }),
+        );
+    }),
+);
+
+describe('ProtocolFeeUtils', () => {
+    describe('getGasPriceEstimationOrThrowAsync', () => {
+        beforeEach(() => {
+            server.listen();
+        });
+
+        afterEach(() => {
+            server.close();
+        });
+
+        it('parses fast gas price response correctly', async () => {
+            const utils = ProtocolFeeUtils.getInstance(420000, 'https://mock-0x-gas-api.org/median');
+            const gasPrice = await utils.getGasPriceEstimationOrThrowAsync();
+            expect(gasPrice.toNumber()).to.eq(18848500000);
+        });
+    });
+});
--- a/packages/asset-swapper/test/wrappers.ts
+++ b/packages/asset-swapper/test/wrappers.ts
@@ -49,3 +49,4 @@ export * from '../test/generated-wrappers/uniswap_v2_sampler';
 export * from '../test/generated-wrappers/uniswap_v3_sampler';
 export * from '../test/generated-wrappers/utility_sampler';
 export * from '../test/generated-wrappers/velodrome_sampler';
+export * from '../test/generated-wrappers/woo_p_p_sampler';
--- a/packages/asset-swapper/tsconfig.json
+++ b/packages/asset-swapper/tsconfig.json
@@ -51,6 +51,7 @@
        "test/generated-artifacts/UniswapV2Sampler.json",
        "test/generated-artifacts/UniswapV3Sampler.json",
        "test/generated-artifacts/UtilitySampler.json",
-        "test/generated-artifacts/VelodromeSampler.json"
+        "test/generated-artifacts/VelodromeSampler.json",
+        "test/generated-artifacts/WooPPSampler.json"
    ]
 }
--- a/packages/asset-swapper/tslint.json
+++ b/packages/asset-swapper/tslint.json
@@ -1,6 +1,8 @@
 {
    "extends": ["@0x/tslint-config"],
    "rules": {
+        "array-type": false,
+        "custom-no-magic-numbers": false,
        "max-file-line-count": false,
        "binary-expression-operand-order": false
    },
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -1,4 +1,33 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "6.19.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "6.19.1",
+        "changes": [
+            {
+                "note": "Fix lowercase addresses",
+                "pr": 543
+            }
+        ],
+        "timestamp": 1660073235
+    },
+    {
+        "version": "6.19.0",
+        "changes": [
+            {
+                "note": "Goerli and Mumbai updated verified contracts addresses",
+                "pr": 537
+            }
+        ],
+        "timestamp": 1659750766
+    },
    {
        "version": "6.17.0",
        "changes": [
--- a/packages/contract-addresses/CHANGELOG.md
+++ b/packages/contract-addresses/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v6.19.2 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v6.19.1 - _August 9, 2022_
+
+    * Fix lowercase addresses (#543)
+
+## v6.19.0 - _August 6, 2022_
+
+    * Goerli and Mumbai updated verified contracts addresses (#537)
+
 ## v6.17.0 - _July 27, 2022_

    * Goerli and Mumbai
--- a/packages/contract-addresses/addresses.json
+++ b/packages/contract-addresses/addresses.json
@@ -153,18 +153,18 @@
        "chainlinkStopLimit": "0x0000000000000000000000000000000000000000",
        "maximumGasPrice": "0x0000000000000000000000000000000000000000",
        "dexForwarderBridge": "0x0000000000000000000000000000000000000000",
-        "exchangeProxyGovernor": "0x7cee06249e371a1ecf8107e912294432f7f70832",
-        "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
-        "exchangeProxyTransformerDeployer": "0x2bef57ffde3098eeed9fa4f9166a81d7377533dc",
-        "exchangeProxyFlashWallet": "0xdb6f1920a889355780af7570773609bd8cb1f498",
+        "exchangeProxyGovernor": "0xf289f8a9d26f9a32ecc8602e92e634d71a91d490",
+        "exchangeProxy": "0xf91bb752490473b8342a3e964e855b9f9a2a668e",
+        "exchangeProxyTransformerDeployer": "0x7b4f0063cc0097c19c6b8cc74ecaf630621e2be6",
+        "exchangeProxyFlashWallet": "0xf15469c80a1965f5f90be5651fcb6c6f3392b2a1",
        "exchangeProxyLiquidityProviderSandbox": "0x0000000000000000000000000000000000000000",
        "zrxTreasury": "0x0000000000000000000000000000000000000000",
        "transformers": {
-            "wethTransformer": "0xad550dbef7b93a42e335062e808d66a70eca5a0a",
-            "payTakerTransformer": "0xbd3fec19e4d91a79b329b6b4a6f210c66a40a97f",
-            "affiliateFeeTransformer": "0x59e7371b613a6f3879694bf9db2fe3117c92a927",
-            "fillQuoteTransformer": "0x3edbf102250d59230ff6d3fc648f97c094f3cb27",
-            "positiveSlippageFeeTransformer": "0x48997b11bbc15c2fa2f141c9e93a0a2ab789a761"
+            "wethTransformer": "0x5e485f1ab8aa2a71d533f2bc15af64dd10fa44e9",
+            "payTakerTransformer": "0x0c59ced2ffce5fceb40f665def2146f76c576f34",
+            "affiliateFeeTransformer": "0x6f4d30df1ecaed54239af95efa2964f9252fd0a3",
+            "fillQuoteTransformer": "0x841b18c263a290c41ac41b6afbf4c1d31b0c6b36",
+            "positiveSlippageFeeTransformer": "0x5d6ab5729a08775c69035730bcfbad65759c4f4d"
        }
    },
    "42": {
@@ -247,7 +247,7 @@
            "wethTransformer": "0xac3d95668c092e895cd83a9cbafe9c7d9906471f",
            "payTakerTransformer": "0x4f5e8ca2cadecd4a467ae441e4b03de4278a4574",
            "affiliateFeeTransformer": "0x1be34ab9b2acb5c4ddd89454bdce637967e65230",
-            "fillQuoteTransformer": "0x0b72d55485e8d877f73cc8b14ea3e010b3e804fd",
+            "fillQuoteTransformer": "0xbd7fd6e116fc8589bb658fba3a2cc6273050bcf2",
            "positiveSlippageFeeTransformer": "0x7f5c79ad1788573b1145f4651a248523c54f5d1f"
        }
    },
@@ -331,7 +331,7 @@
            "wethTransformer": "0xe309d011cc6f189a3e8dcba85922715a019fed38",
            "payTakerTransformer": "0x5ba7b9be86cda01cfbf56e0fb97184783be9dda1",
            "affiliateFeeTransformer": "0xbed27284b42e5684e987169cf1da09c5d6c49fa8",
-            "fillQuoteTransformer": "0xd4a518760030dae1adbde9496f8a3b478e83932a",
+            "fillQuoteTransformer": "0x01c082e47c8dc6dedd01e3fcb07bfd3eb72e044d",
            "positiveSlippageFeeTransformer": "0x4cd8f1c0df4d40fcc1e073845d5f6f4ed5cc8dab"
        }
    },
@@ -363,18 +363,18 @@
        "chainlinkStopLimit": "0x0000000000000000000000000000000000000000",
        "maximumGasPrice": "0x0000000000000000000000000000000000000000",
        "dexForwarderBridge": "0x0000000000000000000000000000000000000000",
-        "exchangeProxyGovernor": "0x4cf19577bcb5e784f315e952f97a6dc247f03140",
-        "exchangeProxy": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
-        "exchangeProxyTransformerDeployer": "0xa8220408bcb5b327875fd82145d379a83dfd7d61",
-        "exchangeProxyFlashWallet": "0xdb6f1920a889355780af7570773609bd8cb1f498",
-        "exchangeProxyLiquidityProviderSandbox": "0xe6f76f5090f8d64015113841a0c9bc5d14755d6f",
+        "exchangeProxyGovernor": "0x30186b2e187aeddabf019089f9375a8dc53138e4",
+        "exchangeProxy": "0xf471d32cb40837bf24529fcf17418fc1a4807626",
+        "exchangeProxyTransformerDeployer": "0x05481589f447a0767def2b0ed98a04ea5f5eba50",
+        "exchangeProxyFlashWallet": "0x64254cf2f3abd765bee46f8445b76e2bb0af5a2c",
+        "exchangeProxyLiquidityProviderSandbox": "0x0000000000000000000000000000000000000000",
        "zrxTreasury": "0x0000000000000000000000000000000000000000",
        "transformers": {
-            "wethTransformer": "0x44a65ee6b33f70eda7b854abe8d81e925984c932",
-            "payTakerTransformer": "0x2f4868ed9cae9a4cdba063818dce19f411be4e75",
-            "affiliateFeeTransformer": "0x843c0ac5b1b373be51800c8f1caffe54cc29dd22",
-            "fillQuoteTransformer": "0x750cb81ee6d64e29e1e358ba155925000bf044d4",
-            "positiveSlippageFeeTransformer": "0x30aebc4c68effa70e21612b39b94299a8778d0cb"
+            "wethTransformer": "0x445af2e5791cc9a72f81c49a3dc90cf3b03d2a62",
+            "payTakerTransformer": "0xe3e8652fb306873f9dc87222423ffd51b967f014",
+            "affiliateFeeTransformer": "0xbd901aff2ce18355537594a17ebb0a38ca44d8b6",
+            "fillQuoteTransformer": "0xbfac39aea3c0a6222266cef674ec39c3b5387852",
+            "positiveSlippageFeeTransformer": "0x33ab86b46d84d30538a9b35c7ece4d5673caa778"
        }
    },
    "43114": {
@@ -415,7 +415,7 @@
            "wethTransformer": "0x9b8b52391071d71cd4ad1e61d7f273268fa34c6c",
            "payTakerTransformer": "0x898c6fde239d646c73f0a57e3570b6f86a3d62a3",
            "affiliateFeeTransformer": "0x34617b855411e52fbc05899435f44cbd0503022c",
-            "fillQuoteTransformer": "0xb6c9c52ce7094fc96d8bd5d3ecd0c6feeafe3457",
+            "fillQuoteTransformer": "0xcee9118bc14e1fe740c54c754b901629b322ee4f",
            "positiveSlippageFeeTransformer": "0x470ba89da18a6db6e8a0567b3c9214b960861857"
        }
    },
@@ -457,7 +457,7 @@
            "wethTransformer": "0x9b6aa8f26a92108e7d1f66373d757bb955112703",
            "payTakerTransformer": "0x32df54951d33d7460e15fa59b1fcc262183ce4c2",
            "affiliateFeeTransformer": "0x67efa679a4b56c38713d478e649c88247f4f8e88",
-            "fillQuoteTransformer": "0x641efe8a57ad39353fe22f77d211ef6b17b0590b",
+            "fillQuoteTransformer": "0xe40f81ef6e9c95ba04c659b8d032eab73152aafd",
            "positiveSlippageFeeTransformer": "0xe87d69b285005cc82b53b844322652c49ed64600"
        }
    },
--- a/packages/contract-addresses/package.json
+++ b/packages/contract-addresses/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contract-addresses",
-    "version": "6.17.0",
+    "version": "6.19.2",
    "engines": {
        "node": ">=6.12"
    },
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "13.20.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "13.20.7",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "13.20.6",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1658950329,
        "version": "13.20.5",
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v13.20.8 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v13.20.7 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v13.20.6 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v13.20.5 - _July 27, 2022_

    * Dependencies updated
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contract-wrappers",
-    "version": "13.20.5",
+    "version": "13.20.8",
    "engines": {
        "node": ">=6.12"
    },
@@ -57,7 +57,7 @@
    "dependencies": {
        "@0x/assert": "^3.0.34",
        "@0x/base-contract": "^6.5.0",
-        "@0x/contract-addresses": "^6.17.0",
+        "@0x/contract-addresses": "^6.19.2",
        "@0x/json-schemas": "^6.4.4",
        "@0x/types": "^3.3.6",
        "@0x/utils": "^6.5.3",
--- a/packages/protocol-utils/CHANGELOG.json
+++ b/packages/protocol-utils/CHANGELOG.json
@@ -1,4 +1,31 @@
 [
+    {
+        "timestamp": 1660093941,
+        "version": "11.16.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1660073235,
+        "version": "11.16.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1659750766,
+        "version": "11.16.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "version": "11.16.0",
        "changes": [
--- a/packages/protocol-utils/CHANGELOG.md
+++ b/packages/protocol-utils/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v11.16.3 - _August 10, 2022_
+
+    * Dependencies updated
+
+## v11.16.2 - _August 9, 2022_
+
+    * Dependencies updated
+
+## v11.16.1 - _August 6, 2022_
+
+    * Dependencies updated
+
 ## v11.16.0 - _July 27, 2022_

    * Add Synthetix support` (#518)
--- a/packages/protocol-utils/package.json
+++ b/packages/protocol-utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/protocol-utils",
-    "version": "11.16.0",
+    "version": "11.16.3",
    "engines": {
        "node": ">=6.12"
    },
@@ -63,8 +63,8 @@
    },
    "dependencies": {
        "@0x/assert": "^3.0.34",
-        "@0x/contract-addresses": "^6.17.0",
-        "@0x/contract-wrappers": "^13.20.5",
+        "@0x/contract-addresses": "^6.19.2",
+        "@0x/contract-wrappers": "^13.20.8",
        "@0x/json-schemas": "^6.4.4",
        "@0x/subproviders": "^6.6.5",
        "@0x/utils": "^6.5.3",
--- a/packages/protocol-utils/src/transformer_utils.ts
+++ b/packages/protocol-utils/src/transformer_utils.ts
@@ -141,6 +141,7 @@ export enum BridgeProtocol {
    BancorV3,
    Velodrome,
    Synthetix,
+    WOOFi,
 }
 // tslint:enable: enum-naming

--- a/yarn.lock
+++ b/yarn.lock
Author	SHA1	Message	Date
Github Actions	8e9699c340	Publish - @0x/contracts-erc20@3.3.36 - @0x/contracts-test-utils@5.4.27 - @0x/contracts-treasury@1.4.19 - @0x/contracts-utils@4.8.17 - @0x/contracts-zero-ex@0.36.3 - @0x/asset-swapper@16.66.3 - @0x/contract-addresses@6.19.2 - @0x/contract-wrappers@13.20.8 - @0x/protocol-utils@11.16.3	2022-08-10 01:12:34 +00:00
Github Actions	939b708e63	Updated CHANGELOGS & MD docs	2022-08-10 01:12:31 +00:00
Kyu	1617e3fc44	Fix Polygon and Ganache FillQuoteTransformer addresses (#547 ) * Revert Ganache (1337) FQT address as it was mistakenly updated. * Update Polygon (137) FQT address with the new one.	2022-08-10 09:43:42 +09:00
Github Actions	e0d705703d	Publish - @0x/contracts-erc20@3.3.35 - @0x/contracts-test-utils@5.4.26 - @0x/contracts-treasury@1.4.18 - @0x/contracts-utils@4.8.16 - @0x/contracts-zero-ex@0.36.2 - @0x/asset-swapper@16.66.2 - @0x/contract-addresses@6.19.1 - @0x/contract-wrappers@13.20.7 - @0x/protocol-utils@11.16.2	2022-08-09 19:27:28 +00:00
Github Actions	01a6d933ca	Updated CHANGELOGS & MD docs	2022-08-09 19:27:24 +00:00
Kyu	9b9f0b91d7	Move woofi tokens to constant.ts and run prettier (#544 )	2022-08-09 13:31:37 +09:00
Ido Kleinman	0d0fef841d	PR #	2022-08-08 19:04:04 -05:00
Ido Kleinman	17adfbea32	changelogs	2022-08-08 19:04:04 -05:00
Noah Khamliche	80594622b2	empty commit to run workflow	2022-08-08 18:55:39 -05:00
Ido Kleinman	0dba5a5a3a	lowercase addresses (#542 )	2022-08-08 16:40:31 -07:00
phil-ociraptor	4dae8de1b6	feat: add Foundry support to contracts/zero-ex (#534 ) Co-authored-by: Michael Zhu <mchl.zhu.96@gmail.com>	2022-08-08 11:46:50 -05:00
eobbad	0046bb26d8	Update WooFi sampler logicand addresses.json w/ new FQT's	2022-08-08 12:27:45 -04:00
Kyu	fe935f787c	Use @0x/fast-abi instead of deprecated fast-abi (#540 )	2022-08-08 14:34:48 +09:00
Kyu	1b527ffcd8	Clean up Mirror and UST related stuff (#539 )	2022-08-08 12:29:33 +09:00
Github Actions	9f5324d9c3	Publish - @0x/asset-swapper@16.66.1	2022-08-08 02:47:26 +00:00
Github Actions	3647392a04	Updated CHANGELOGS & MD docs	2022-08-08 02:47:21 +00:00
Kyu	1d49662c58	Upgrade `fast-abi` (#538 )	2022-08-08 11:27:44 +09:00
Github Actions	6324b08b4d	Publish - @0x/contracts-erc20@3.3.34 - @0x/contracts-test-utils@5.4.25 - @0x/contracts-treasury@1.4.17 - @0x/contracts-utils@4.8.15 - @0x/contracts-zero-ex@0.36.1 - @0x/asset-swapper@16.66.0 - @0x/contract-addresses@6.19.0 - @0x/contract-wrappers@13.20.6 - @0x/protocol-utils@11.16.1	2022-08-06 01:52:58 +00:00
Github Actions	fe73b63aaa	Updated CHANGELOGS & MD docs	2022-08-06 01:52:55 +00:00
Kyu	192d0b17d9	Empty commit to trigger CI (something is wrong with Ido's account lol)	2022-08-06 10:34:15 +09:00
Ido Kleinman	aa74d04083	new contract address for goerli verified deploy (#537 ) * new contract address for goerli verified deploy * v6.18.0 * updated addresses for goerli + mumbai to verified contracts * contract addresses changelog update * unbump package version	2022-08-05 18:22:06 -07:00
Kyu	d586f5727d	Rename Balancer pool cache files (#536 )	2022-08-05 17:53:55 +09:00
Kyu	98fc79a085	Upgrade dependencies in `asset-swapper` to match the versions used in `0x-api` [TKR-484] (#535 ) * Upgrade dependencies to match the versions used in 0x-api * Fix/disable tslint issues from the new version	2022-08-05 14:26:18 +09:00
eobbad	c12a10b96e	Add WooFI support (#513 ) * Add WooFI interface for sampling * WooFi Sampler * Add mixin * Update bridge adapters * fix some bugs * update transformer_utils * Add BSC support * yarn prettier * Capitalize WOOFI in bridge adapters * Put rebateAddress in a constant, fixed some other stylistic errors * bug fixes * Updated CHANGELOGS & MD docs * Publish - @0x/contracts-erc20@3.3.33 - @0x/contracts-test-utils@5.4.24 - @0x/contracts-treasury@1.4.16 - @0x/contracts-utils@4.8.14 - @0x/contracts-zero-ex@0.36.0 - @0x/asset-swapper@16.64.0 - @0x/contract-addresses@6.17.0 - @0x/contract-wrappers@13.20.5 - @0x/protocol-utils@11.16.0 * Update reference.mdx (#531) Align with `DEFAULT_QUOTE_SLIPPAGE_PERCENTAGE` value from `c74e31c219/src/constants.ts (L26)` * code cleanup * remove deusdc curve pool from this pr * Refactor PoolsCache (part 1) [TKR-500] (#525) * Make _refreshPoolCacheIfRequiredAsync type-safe and remove Promise.all * Factor out PoolsCache key logic into a function * Use Map instead of object in PoolsCache and increase the default timeout * Clean up PoolsCache and simplify its public interface * Refactor PoolsCache (part 2) [TKR-500] (#526) * Introduce NoOpPoolsCache and use it in unsupported chains for BeethovenX * Use `NoOpPoolsCache` for `CreamPoolsCache` and `BalancerPoolsCache` on unsupported chains * Remove `getBidAskLiquidityForMakerTakerAssetPairAsync` (#528) * Add transfer approval for quote token for multi-hops and fix buy sampler typo * Use 0x gas api instead of eth gas station api [TKR-502] (#532) * Use 0x gas api instead of eth gas station api * Add integration test for `ProtocolFeeUtils` * Update CHANGELOG.json * Add polygon, fantom, avalanche support * yarn prettier * Updated CHANGELOGS & MD docs * Publish - @0x/asset-swapper@16.65.0 * Remove references to `custom-no-magic-numbers` ts lint rule [TKR-484] (#533) * Remove references to `custom-no-magic-numbers ts` lint rule * Run prettier * resolve Kyu's comments * remove fqt change * Add WooFI interface for sampling * WooFi Sampler * Add mixin * Update bridge adapters * fix some bugs * update transformer_utils * Add BSC support * yarn prettier * Capitalize WOOFI in bridge adapters * Put rebateAddress in a constant, fixed some other stylistic errors * bug fixes * code cleanup * remove deusdc curve pool from this pr * Add transfer approval for quote token for multi-hops and fix buy sampler typo * Add polygon, fantom, avalanche support * yarn prettier * resolve Kyu's comments * remove fqt change * merge types.ts * WOOFi -> WOOFI * fix lerna run lint * Changelog * nit changes Co-authored-by: Github Actions <github-actions@github.com> Co-authored-by: Pavel <51318041+pavel-bc@users.noreply.github.com> Co-authored-by: Kyu <kyuhyun217@gmail.com>	2022-08-03 15:54:09 -04:00
Kyu	d3d4a08f91	Remove references to `custom-no-magic-numbers` ts lint rule [TKR-484] (#533 ) * Remove references to `custom-no-magic-numbers ts` lint rule * Run prettier	2022-08-01 17:50:40 -07:00
Github Actions	9ce090c8cd	Publish - @0x/asset-swapper@16.65.0	2022-08-01 22:10:47 +00:00
Github Actions	980d60deb8	Updated CHANGELOGS & MD docs	2022-08-01 22:10:42 +00:00
Kyu	d6d79e51e7	Use 0x gas api instead of eth gas station api [TKR-502] (#532 ) * Use 0x gas api instead of eth gas station api * Add integration test for `ProtocolFeeUtils` * Update CHANGELOG.json	2022-08-01 14:42:45 -07:00
Kyu	3ef5de93bb	Remove `getBidAskLiquidityForMakerTakerAssetPairAsync` (#528 )	2022-07-28 09:26:07 -07:00
Kyu	ab7dc33ca4	Refactor PoolsCache (part 2) [TKR-500] (#526 ) * Introduce NoOpPoolsCache and use it in unsupported chains for BeethovenX * Use `NoOpPoolsCache` for `CreamPoolsCache` and `BalancerPoolsCache` on unsupported chains	2022-07-28 09:12:02 -07:00
Kyu	14dcee5bb6	Refactor PoolsCache (part 1) [TKR-500] (#525 ) * Make _refreshPoolCacheIfRequiredAsync type-safe and remove Promise.all * Factor out PoolsCache key logic into a function * Use Map instead of object in PoolsCache and increase the default timeout * Clean up PoolsCache and simplify its public interface	2022-07-28 09:04:42 -07:00
Pavel	9856e78609	Update reference.mdx (#531 ) Align with `DEFAULT_QUOTE_SLIPPAGE_PERCENTAGE` value from `c74e31c219/src/constants.ts (L26)`	2022-07-27 12:35:16 -07:00