Publish

- @0x/contracts-integrations@2.7.1
 - @0x/contracts-zero-ex@0.4.0
 - @0x/asset-swapper@4.7.1
 - @0x/contract-wrappers-test@12.2.18
 - @0x/migrations@6.4.2

.github/workflows/publish.yml

@@ -0,0 +1,48 @@
+name: publish
+
+on:
+  workflow_dispatch:
+      inputs:
+          ci_status:
+              description: 'required CI status'
+              default: 'success'
+              required: true
+
+jobs:
+    publish:
+        runs-on: ubuntu-latest
+        steps:
+            - name: 'check successful status'
+              run: |
+                  REF_STATUS=$(curl -s \
+                  'https://api.github.com/repos/${{ github.repository }}/commits/${{ github.ref }}/status' \
+                  | jq .state)
+                  [[ "${REF_STATUS}" == '"${{ github.event.inputs.ci_status }}"' ]] || \
+                  (echo "::error ::${{ github.ref }} does not have a successful CI status" && false)
+            - uses: actions/checkout@v2
+              with:
+                ref: 'development'
+                fetch-depth: 0
+            - uses: actions/setup-node@v1
+            - uses: actions/setup-python@v2
+              with:
+                node-version: 10
+            - name: 'configure git'
+              run: |
+                  git config --global user.email "github-actions@github.com"
+                  git config --global user.name "Github Actions"
+            - name: 'install dependencies'
+              run: |
+                  yarn -D
+            - name: 'build and publish'
+              run: |
+                  echo '//registry.npmjs.org/:_authToken=${NPM_TOKEN}' > .npmrc
+                  npm run run:publish:gha
+              env:
+                  NPM_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}
+                  GITHUB_TOKEN: ${{ github.token }}
+            - name: 'merge into main branch'
+              run: |
+                  git checkout main && \
+                  git merge ${{ github.ref }} && \
+                  git push

contracts/integrations/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1603487270,
+        "version": "2.7.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "version": "2.7.0",
         "changes": [

contracts/integrations/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.7.1 - _October 23, 2020_
+
+    * Dependencies updated
+
 ## v2.7.0 - _October 21, 2020_
 
     * Update curveBridge tests (#2633)

contracts/integrations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-integrations",
-    "version": "2.7.0",
+    "version": "2.7.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -64,7 +64,7 @@
         "@0x/contracts-utils": "^4.5.2",
         "@0x/coordinator-server": "^1.0.5",
         "@0x/dev-utils": "^3.3.4",
-        "@0x/migrations": "^6.4.1",
+        "@0x/migrations": "^6.4.2",
         "@0x/order-utils": "^10.4.0",
         "@0x/sol-compiler": "^4.2.3",
         "@0x/tslint-config": "^4.1.3",
@@ -91,7 +91,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/asset-swapper": "0xProject/gitpkg-registry#0x-asset-swapper-v4.6.0-36546480b",
+        "@0x/asset-swapper": "^4.7.1",
         "@0x/base-contract": "^6.2.7",
         "@0x/contracts-asset-proxy": "^3.5.0",
         "@0x/contracts-erc1155": "^2.1.8",
@@ -101,7 +101,7 @@
         "@0x/contracts-multisig": "^4.1.8",
         "@0x/contracts-staking": "^2.0.15",
         "@0x/contracts-test-utils": "^5.3.5",
-        "@0x/contracts-zero-ex": "^0.3.0",
+        "@0x/contracts-zero-ex": "^0.4.0",
         "@0x/subproviders": "^6.1.5",
         "@0x/types": "^3.2.4",
         "@0x/typescript-typings": "^5.1.5",

contracts/zero-ex/CHANGELOG.json

@@ -1,4 +1,14 @@
 [
+    {
+        "version": "0.4.0",
+        "changes": [
+            {
+                "note": "Use the exchange proxy as the primary allowance target",
+                "pr": 3
+            }
+        ],
+        "timestamp": 1603487270
+    },
     {
         "version": "0.3.0",
         "changes": [

contracts/zero-ex/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.4.0 - _October 23, 2020_
+
+    * Use the exchange proxy as the primary allowance target (#3)
+
 ## v0.3.0 - _October 21, 2020_
 
     * Internal audit fixes (#2657)

contracts/zero-ex/contracts/src/features/LiquidityProviderFeature.sol

@@ -31,7 +31,7 @@ import "../storage/LibLiquidityProviderStorage.sol";
 import "../vendor/v3/IERC20Bridge.sol";
 import "./IFeature.sol";
 import "./ILiquidityProviderFeature.sol";
-import "./ITokenSpenderFeature.sol";
+import "./libs/LibTokenSpender.sol";
 
 
 contract LiquidityProviderFeature is
@@ -97,7 +97,7 @@ contract LiquidityProviderFeature is
             weth.deposit{value: sellAmount}();
             weth.transfer(providerAddress, sellAmount);
         } else {
-            ITokenSpenderFeature(address(this))._spendERC20Tokens(
+            LibTokenSpender.spendERC20Tokens(
                 IERC20TokenV06(takerToken),
                 msg.sender,
                 providerAddress,

contracts/zero-ex/contracts/src/features/MetaTransactionsFeature.sol

@@ -32,8 +32,8 @@ import "./libs/LibSignedCallData.sol";
 import "./IMetaTransactionsFeature.sol";
 import "./ITransformERC20Feature.sol";
 import "./ISignatureValidatorFeature.sol";
-import "./ITokenSpenderFeature.sol";
 import "./IFeature.sol";
+import "./libs/LibTokenSpender.sol";
 
 
 /// @dev MetaTransactions feature.
@@ -279,10 +279,10 @@ contract MetaTransactionsFeature is
 
         // Pay the fee to the sender.
         if (mtx.feeAmount > 0) {
-            ITokenSpenderFeature(address(this))._spendERC20Tokens(
+            LibTokenSpender.spendERC20Tokens(
                 mtx.feeToken,
-                mtx.signer, // From the signer.
-                sender, // To the sender.
+                mtx.signer,
+                sender,
                 mtx.feeAmount
             );
         }

contracts/zero-ex/contracts/src/features/TransformERC20Feature.sol

@@ -33,9 +33,9 @@ import "../transformers/IERC20Transformer.sol";
 import "../transformers/LibERC20Transformer.sol";
 import "./libs/LibSignedCallData.sol";
 import "./ITransformERC20Feature.sol";
-import "./ITokenSpenderFeature.sol";
 import "./IFeature.sol";
 import "./ISignatureValidatorFeature.sol";
+import "./libs/LibTokenSpender.sol";
 
 
 /// @dev Feature to composably transform between ERC20 tokens.
@@ -211,8 +211,10 @@ contract TransformERC20Feature is
         // If the input token amount is -1, transform the taker's entire
         // spendable balance.
         if (args.inputTokenAmount == uint256(-1)) {
-            args.inputTokenAmount = ITokenSpenderFeature(address(this))
-                .getSpendableERC20BalanceOf(args.inputToken, args.taker);
+            args.inputTokenAmount = LibTokenSpender.getSpendableERC20BalanceOf(
+                args.inputToken,
+                args.taker
+            );
         }
 
         TransformERC20PrivateState memory state;
@@ -315,12 +317,7 @@ contract TransformERC20Feature is
         // Transfer input tokens.
         if (!LibERC20Transformer.isTokenETH(inputToken)) {
             // Token is not ETH, so pull ERC20 tokens.
-            ITokenSpenderFeature(address(this))._spendERC20Tokens(
-                inputToken,
-                from,
-                to,
-                amount
-            );
+            LibTokenSpender.spendERC20Tokens(inputToken, from, to, amount);
         } else if (msg.value < amount) {
              // Token is ETH, so the caller must attach enough ETH to the call.
             LibTransformERC20RichErrors.InsufficientEthAttachedError(

contracts/zero-ex/contracts/src/features/UniswapFeature.sol

@@ -157,17 +157,49 @@ contract UniswapFeature is
                     switch eq(sellToken, ETH_TOKEN_ADDRESS_32)
                         case 0 {
                             // For the first pair we need to transfer sellTokens into the
-                            // pair contract using `AllowanceTarget.executeCall()`
-                            mstore(0xB00, ALLOWANCE_TARGET_EXECUTE_CALL_SELECTOR_32)
-                            mstore(0xB04, sellToken)
-                            mstore(0xB24, 0x40)
-                            mstore(0xB44, 0x64)
-                            mstore(0xB64, TRANSFER_FROM_CALL_SELECTOR_32)
-                            mstore(0xB68, caller())
-                            mstore(0xB88, pair)
-                            mstore(0xBA8, sellAmount)
-                            if iszero(call(gas(), mload(0xA60), 0, 0xB00, 0xC8, 0x00, 0x0)) {
-                                bubbleRevert()
+                            // pair contract.
+                            mstore(0xB00, TRANSFER_FROM_CALL_SELECTOR_32)
+                            mstore(0xB04, caller())
+                            mstore(0xB24, pair)
+                            mstore(0xB44, sellAmount)
+
+                            // Copy only the first 32 bytes of return data. We
+                            // only care about reading a boolean in the success
+                            // case, and we discard the return data in the
+                            // failure case.
+                            let success := call(gas(), sellToken, 0, 0xB00, 0x64, 0xC00, 0x20)
+
+                            let rdsize := returndatasize()
+
+                            // Check for ERC20 success. ERC20 tokens should
+                            // return a boolean, but some return nothing or
+                            // extra data. We accept 0-length return data as
+                            // success, or at least 32 bytes that starts with
+                            // a 32-byte boolean true.
+                            success := and(
+                                success,                         // call itself succeeded
+                                or(
+                                    iszero(rdsize),              // no return data, or
+                                    and(
+                                        iszero(lt(rdsize, 32)),  // at least 32 bytes
+                                        eq(mload(0xC00), 1)      // starts with uint256(1)
+                                    )
+                                )
+                            )
+
+                            if iszero(success) {
+                                // Try to fall back to the allowance target.
+                                mstore(0xB00, ALLOWANCE_TARGET_EXECUTE_CALL_SELECTOR_32)
+                                mstore(0xB04, sellToken)
+                                mstore(0xB24, 0x40)
+                                mstore(0xB44, 0x64)
+                                mstore(0xB64, TRANSFER_FROM_CALL_SELECTOR_32)
+                                mstore(0xB68, caller())
+                                mstore(0xB88, pair)
+                                mstore(0xBA8, sellAmount)
+                                if iszero(call(gas(), mload(0xA60), 0, 0xB00, 0xC8, 0x00, 0x0)) {
+                                    bubbleRevert()
+                                }
                             }
                         }
                         default {

contracts/zero-ex/contracts/src/features/libs/LibTokenSpender.sol

@@ -0,0 +1,128 @@
+/*
+
+  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 ^0.6.5;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
+import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
+import "../../errors/LibSpenderRichErrors.sol";
+import "../ITokenSpenderFeature.sol";
+
+library LibTokenSpender {
+    using LibRichErrorsV06 for bytes;
+
+    /// @dev Transfers ERC20 tokens from `owner` to `to`.
+    /// @param token The token to spend.
+    /// @param owner The owner of the tokens.
+    /// @param to The recipient of the tokens.
+    /// @param amount The amount of `token` to transfer.
+    function spendERC20Tokens(
+        IERC20TokenV06 token,
+        address owner,
+        address to,
+        uint256 amount
+    )
+        internal
+    {
+        bool success;
+        bytes memory revertData;
+
+        require(address(token) != address(this), "LibTokenSpender/CANNOT_INVOKE_SELF");
+
+        assembly {
+            let ptr := mload(0x40) // free memory pointer
+
+            // selector for transferFrom(address,address,uint256)
+            mstore(ptr, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
+            mstore(add(ptr, 0x04), owner)
+            mstore(add(ptr, 0x24), to)
+            mstore(add(ptr, 0x44), amount)
+
+            success := call(gas(), token, 0, ptr, 0x64, 0, 0)
+
+            let rdsize := returndatasize()
+
+            returndatacopy(add(ptr, 0x20), 0, rdsize) // reuse memory
+
+            // Check for ERC20 success. ERC20 tokens should return a boolean,
+            // but some don't. We accept 0-length return data as success, or at
+            // least 32 bytes that starts with a 32-byte boolean true.
+            success := and(
+                success,                             // call itself succeeded
+                or(
+                    iszero(rdsize),                  // no return data, or
+                    and(
+                        iszero(lt(rdsize, 32)),      // at least 32 bytes
+                        eq(mload(add(ptr, 0x20)), 1) // starts with uint256(1)
+                    )
+                )
+            )
+
+            if iszero(success) {
+                // revertData is a bytes, so length-prefixed data
+                mstore(ptr, rdsize)
+                revertData := ptr
+
+                // update free memory pointer (ptr + 32-byte length + return data)
+                mstore(0x40, add(add(ptr, 0x20), rdsize))
+            }
+        }
+
+        if (!success) {
+            // Try the old AllowanceTarget.
+            try ITokenSpenderFeature(address(this))._spendERC20Tokens(
+                    token,
+                    owner,
+                    to,
+                    amount
+                ) {
+            } catch {
+                // Bubble up the first error message. (In general, the fallback to the
+                // allowance target is opportunistic. We ignore the specific error
+                // message if it fails.)
+                LibSpenderRichErrors.SpenderERC20TransferFromFailedError(
+                    address(token),
+                    owner,
+                    to,
+                    amount,
+                    revertData
+                ).rrevert();
+            }
+        }
+    }
+
+    /// @dev Gets the maximum amount of an ERC20 token `token` that can be
+    ///      pulled from `owner` by this address.
+    /// @param token The token to spend.
+    /// @param owner The owner of the tokens.
+    /// @return amount The amount of tokens that can be pulled.
+    function getSpendableERC20BalanceOf(
+        IERC20TokenV06 token,
+        address owner
+    )
+        internal
+        view
+        returns (uint256)
+    {
+        return LibSafeMathV06.min256(
+            token.allowance(owner, address(this)),
+            token.balanceOf(owner)
+        );
+    }
+}

contracts/zero-ex/contracts/test/TestLibTokenSpender.sol

@@ -0,0 +1,72 @@
+/*
+
+  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 ^0.6.5;
+pragma experimental ABIEncoderV2;
+
+import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
+
+import "../src/features/libs/LibTokenSpender.sol";
+
+contract TestLibTokenSpender {
+    uint256 constant private TRIGGER_FALLBACK_SUCCESS_AMOUNT = 1340;
+
+    function spendERC20Tokens(
+        IERC20TokenV06 token,
+        address owner,
+        address to,
+        uint256 amount
+    )
+        external
+    {
+        LibTokenSpender.spendERC20Tokens(token, owner, to, amount);
+    }
+
+    event FallbackCalled(
+        address token,
+        address owner,
+        address to,
+        uint256 amount
+    );
+
+    // This is called as a fallback when the original transferFrom() fails.
+    function _spendERC20Tokens(
+        IERC20TokenV06 token,
+        address owner,
+        address to,
+        uint256 amount
+    )
+        external
+    {
+        require(amount == TRIGGER_FALLBACK_SUCCESS_AMOUNT,
+            "TokenSpenderFallback/FAILURE_AMOUNT");
+
+        emit FallbackCalled(address(token), owner, to, amount);
+    }
+
+    function getSpendableERC20BalanceOf(
+        IERC20TokenV06 token,
+        address owner
+    )
+        external
+        view
+        returns (uint256)
+    {
+        return LibTokenSpender.getSpendableERC20BalanceOf(token, owner);
+    }
+}

contracts/zero-ex/contracts/test/TestTokenSpenderERC20Token.sol

@@ -37,6 +37,9 @@ contract TestTokenSpenderERC20Token is
     uint256 constant private EMPTY_RETURN_AMOUNT = 1337;
     uint256 constant private FALSE_RETURN_AMOUNT = 1338;
     uint256 constant private REVERT_RETURN_AMOUNT = 1339;
+    uint256 constant private TRIGGER_FALLBACK_SUCCESS_AMOUNT = 1340;
+    uint256 constant private EXTRA_RETURN_TRUE_AMOUNT = 1341;
+    uint256 constant private EXTRA_RETURN_FALSE_AMOUNT = 1342;
 
     function transferFrom(address from, address to, uint256 amount)
         public
@@ -53,6 +56,19 @@ contract TestTokenSpenderERC20Token is
         if (amount == REVERT_RETURN_AMOUNT) {
             revert("TestTokenSpenderERC20Token/Revert");
         }
+        if (amount == TRIGGER_FALLBACK_SUCCESS_AMOUNT) {
+            return false;
+        }
+        if (amount == EXTRA_RETURN_TRUE_AMOUNT
+            || amount == EXTRA_RETURN_FALSE_AMOUNT) {
+            bool ret = amount == EXTRA_RETURN_TRUE_AMOUNT;
+
+            assembly {
+                mstore(0x00, ret)
+                mstore(0x20, amount) // just something extra to return
+                return(0, 0x40)
+            }
+        }
         return true;
     }
 

contracts/zero-ex/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-zero-ex",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,7 +41,7 @@
     "config": {
         "publicInterfaceContracts": "IZeroEx,ZeroEx,FullMigration,InitialMigration,IFlashWallet,IAllowanceTarget,IERC20Transformer,IOwnableFeature,ISimpleFunctionRegistryFeature,ITokenSpenderFeature,ITransformERC20Feature,FillQuoteTransformer,PayTakerTransformer,WethTransformer,OwnableFeature,SimpleFunctionRegistryFeature,TransformERC20Feature,TokenSpenderFeature,AffiliateFeeTransformer,SignatureValidatorFeature,MetaTransactionsFeature,LogMetadataTransformer,BridgeAdapter,LiquidityProviderFeature",
         "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually.",
-        "abis": "./test/generated-artifacts/@(AffiliateFeeTransformer|AllowanceTarget|BootstrapFeature|BridgeAdapter|FillQuoteTransformer|FixinCommon|FixinEIP712|FixinReentrancyGuard|FlashWallet|FullMigration|IAllowanceTarget|IBootstrapFeature|IBridgeAdapter|IERC20Bridge|IERC20Transformer|IExchange|IFeature|IFlashWallet|IGasToken|ILiquidityProviderFeature|IMetaTransactionsFeature|IOwnableFeature|ISignatureValidatorFeature|ISimpleFunctionRegistryFeature|ITestSimpleFunctionRegistryFeature|ITokenSpenderFeature|ITransformERC20Feature|IUniswapFeature|IZeroEx|InitialMigration|LibBootstrap|LibCommonRichErrors|LibERC20Transformer|LibLiquidityProviderRichErrors|LibLiquidityProviderStorage|LibMetaTransactionsRichErrors|LibMetaTransactionsStorage|LibMigrate|LibOwnableRichErrors|LibOwnableStorage|LibProxyRichErrors|LibProxyStorage|LibReentrancyGuardStorage|LibSignatureRichErrors|LibSignedCallData|LibSimpleFunctionRegistryRichErrors|LibSimpleFunctionRegistryStorage|LibSpenderRichErrors|LibStorage|LibTokenSpenderStorage|LibTransformERC20RichErrors|LibTransformERC20Storage|LibWalletRichErrors|LiquidityProviderFeature|LogMetadataTransformer|MetaTransactionsFeature|MixinAdapterAddresses|MixinBalancer|MixinCurve|MixinKyber|MixinMStable|MixinMooniswap|MixinOasis|MixinShell|MixinUniswap|MixinUniswapV2|MixinZeroExBridge|OwnableFeature|PayTakerTransformer|SignatureValidatorFeature|SimpleFunctionRegistryFeature|TestBridge|TestCallTarget|TestDelegateCaller|TestFillQuoteTransformerBridge|TestFillQuoteTransformerExchange|TestFillQuoteTransformerHost|TestFullMigration|TestInitialMigration|TestMetaTransactionsTransformERC20Feature|TestMigrator|TestMintTokenERC20Transformer|TestMintableERC20Token|TestSimpleFunctionRegistryFeatureImpl1|TestSimpleFunctionRegistryFeatureImpl2|TestTokenSpender|TestTokenSpenderERC20Token|TestTransformERC20|TestTransformerBase|TestTransformerDeployerTransformer|TestTransformerHost|TestWeth|TestWethTransformerHost|TestZeroExFeature|TokenSpenderFeature|TransformERC20Feature|Transformer|TransformerDeployer|UniswapFeature|WethTransformer|ZeroEx).json"
+        "abis": "./test/generated-artifacts/@(AffiliateFeeTransformer|AllowanceTarget|BootstrapFeature|BridgeAdapter|FillQuoteTransformer|FixinCommon|FixinEIP712|FixinReentrancyGuard|FlashWallet|FullMigration|IAllowanceTarget|IBootstrapFeature|IBridgeAdapter|IERC20Bridge|IERC20Transformer|IExchange|IFeature|IFlashWallet|IGasToken|ILiquidityProviderFeature|IMetaTransactionsFeature|IOwnableFeature|ISignatureValidatorFeature|ISimpleFunctionRegistryFeature|ITestSimpleFunctionRegistryFeature|ITokenSpenderFeature|ITransformERC20Feature|IUniswapFeature|IZeroEx|InitialMigration|LibBootstrap|LibCommonRichErrors|LibERC20Transformer|LibLiquidityProviderRichErrors|LibLiquidityProviderStorage|LibMetaTransactionsRichErrors|LibMetaTransactionsStorage|LibMigrate|LibOwnableRichErrors|LibOwnableStorage|LibProxyRichErrors|LibProxyStorage|LibReentrancyGuardStorage|LibSignatureRichErrors|LibSignedCallData|LibSimpleFunctionRegistryRichErrors|LibSimpleFunctionRegistryStorage|LibSpenderRichErrors|LibStorage|LibTokenSpender|LibTokenSpenderStorage|LibTransformERC20RichErrors|LibTransformERC20Storage|LibWalletRichErrors|LiquidityProviderFeature|LogMetadataTransformer|MetaTransactionsFeature|MixinAdapterAddresses|MixinBalancer|MixinCurve|MixinKyber|MixinMStable|MixinMooniswap|MixinOasis|MixinShell|MixinUniswap|MixinUniswapV2|MixinZeroExBridge|OwnableFeature|PayTakerTransformer|SignatureValidatorFeature|SimpleFunctionRegistryFeature|TestBridge|TestCallTarget|TestDelegateCaller|TestFillQuoteTransformerBridge|TestFillQuoteTransformerExchange|TestFillQuoteTransformerHost|TestFullMigration|TestInitialMigration|TestLibTokenSpender|TestMetaTransactionsTransformERC20Feature|TestMigrator|TestMintTokenERC20Transformer|TestMintableERC20Token|TestSimpleFunctionRegistryFeatureImpl1|TestSimpleFunctionRegistryFeatureImpl2|TestTokenSpender|TestTokenSpenderERC20Token|TestTransformERC20|TestTransformerBase|TestTransformerDeployerTransformer|TestTransformerHost|TestWeth|TestWethTransformerHost|TestZeroExFeature|TokenSpenderFeature|TransformERC20Feature|Transformer|TransformerDeployer|UniswapFeature|WethTransformer|ZeroEx).json"
     },
     "repository": {
         "type": "git",

contracts/zero-ex/test/artifacts.ts

@@ -54,6 +54,7 @@ import * as LibSimpleFunctionRegistryRichErrors from '../test/generated-artifact
 import * as LibSimpleFunctionRegistryStorage from '../test/generated-artifacts/LibSimpleFunctionRegistryStorage.json';
 import * as LibSpenderRichErrors from '../test/generated-artifacts/LibSpenderRichErrors.json';
 import * as LibStorage from '../test/generated-artifacts/LibStorage.json';
+import * as LibTokenSpender from '../test/generated-artifacts/LibTokenSpender.json';
 import * as LibTokenSpenderStorage from '../test/generated-artifacts/LibTokenSpenderStorage.json';
 import * as LibTransformERC20RichErrors from '../test/generated-artifacts/LibTransformERC20RichErrors.json';
 import * as LibTransformERC20Storage from '../test/generated-artifacts/LibTransformERC20Storage.json';
@@ -84,6 +85,7 @@ import * as TestFillQuoteTransformerExchange from '../test/generated-artifacts/T
 import * as TestFillQuoteTransformerHost from '../test/generated-artifacts/TestFillQuoteTransformerHost.json';
 import * as TestFullMigration from '../test/generated-artifacts/TestFullMigration.json';
 import * as TestInitialMigration from '../test/generated-artifacts/TestInitialMigration.json';
+import * as TestLibTokenSpender from '../test/generated-artifacts/TestLibTokenSpender.json';
 import * as TestMetaTransactionsTransformERC20Feature from '../test/generated-artifacts/TestMetaTransactionsTransformERC20Feature.json';
 import * as TestMigrator from '../test/generated-artifacts/TestMigrator.json';
 import * as TestMintableERC20Token from '../test/generated-artifacts/TestMintableERC20Token.json';
@@ -144,6 +146,7 @@ export const artifacts = {
     TransformERC20Feature: TransformERC20Feature as ContractArtifact,
     UniswapFeature: UniswapFeature as ContractArtifact,
     LibSignedCallData: LibSignedCallData as ContractArtifact,
+    LibTokenSpender: LibTokenSpender as ContractArtifact,
     FixinCommon: FixinCommon as ContractArtifact,
     FixinEIP712: FixinEIP712 as ContractArtifact,
     FixinReentrancyGuard: FixinReentrancyGuard as ContractArtifact,
@@ -193,6 +196,7 @@ export const artifacts = {
     TestFillQuoteTransformerHost: TestFillQuoteTransformerHost as ContractArtifact,
     TestFullMigration: TestFullMigration as ContractArtifact,
     TestInitialMigration: TestInitialMigration as ContractArtifact,
+    TestLibTokenSpender: TestLibTokenSpender as ContractArtifact,
     TestMetaTransactionsTransformERC20Feature: TestMetaTransactionsTransformERC20Feature as ContractArtifact,
     TestMigrator: TestMigrator as ContractArtifact,
     TestMintTokenERC20Transformer: TestMintTokenERC20Transformer as ContractArtifact,

contracts/zero-ex/test/features/liquidity_provider_test.ts

@@ -2,12 +2,7 @@ import { artifacts as erc20Artifacts, DummyERC20TokenContract } from '@0x/contra
 import { blockchainTests, constants, expect, randomAddress, verifyEventsFromLogs } from '@0x/contracts-test-utils';
 import { BigNumber, OwnableRevertErrors, ZeroExRevertErrors } from '@0x/utils';
 
-import {
-    IOwnableFeatureContract,
-    IZeroExContract,
-    LiquidityProviderFeatureContract,
-    TokenSpenderFeatureContract,
-} from '../../src/wrappers';
+import { IOwnableFeatureContract, IZeroExContract, LiquidityProviderFeatureContract } from '../../src/wrappers';
 import { artifacts } from '../artifacts';
 import { abis } from '../utils/abis';
 import { fullMigrateAsync } from '../utils/migration';
@@ -23,16 +18,7 @@ blockchainTests('LiquidityProvider feature', env => {
 
     before(async () => {
         [owner, taker] = await env.getAccountAddressesAsync();
-        zeroEx = await fullMigrateAsync(owner, env.provider, env.txDefaults, {
-            tokenSpender: (await TokenSpenderFeatureContract.deployFrom0xArtifactAsync(
-                artifacts.TestTokenSpender,
-                env.provider,
-                env.txDefaults,
-                artifacts,
-            )).address,
-        });
-        const tokenSpender = new TokenSpenderFeatureContract(zeroEx.address, env.provider, env.txDefaults, abis);
-        const allowanceTarget = await tokenSpender.getAllowanceTarget().callAsync();
+        zeroEx = await fullMigrateAsync(owner, env.provider, env.txDefaults, {});
 
         token = await DummyERC20TokenContract.deployFrom0xArtifactAsync(
             erc20Artifacts.DummyERC20Token,
@@ -52,7 +38,7 @@ blockchainTests('LiquidityProvider feature', env => {
             artifacts,
         );
         await token
-            .approve(allowanceTarget, constants.INITIAL_ERC20_ALLOWANCE)
+            .approve(zeroEx.address, constants.INITIAL_ERC20_ALLOWANCE)
             .awaitTransactionSuccessAsync({ from: taker });
 
         feature = new LiquidityProviderFeatureContract(zeroEx.address, env.provider, env.txDefaults, abis);

contracts/zero-ex/test/features/meta_transactions_test.ts

@@ -17,7 +17,6 @@ import { artifacts } from '../artifacts';
 import { abis } from '../utils/abis';
 import { fullMigrateAsync } from '../utils/migration';
 import {
-    ITokenSpenderFeatureContract,
     TestMetaTransactionsTransformERC20FeatureContract,
     TestMetaTransactionsTransformERC20FeatureEvents,
     TestMintableERC20TokenContract,
@@ -33,7 +32,6 @@ blockchainTests.resets('MetaTransactions feature', env => {
     let feature: MetaTransactionsFeatureContract;
     let feeToken: TestMintableERC20TokenContract;
     let transformERC20Feature: TestMetaTransactionsTransformERC20FeatureContract;
-    let allowanceTarget: string;
 
     const MAX_FEE_AMOUNT = new BigNumber('1e18');
     const TRANSFORM_ERC20_FAILING_VALUE = new BigNumber(666);
@@ -64,14 +62,11 @@ blockchainTests.resets('MetaTransactions feature', env => {
             env.txDefaults,
             {},
         );
-        allowanceTarget = await new ITokenSpenderFeatureContract(zeroEx.address, env.provider, env.txDefaults)
-            .getAllowanceTarget()
-            .callAsync();
         // Fund signers with fee tokens.
         await Promise.all(
             signers.map(async signer => {
                 await feeToken.mint(signer, MAX_FEE_AMOUNT).awaitTransactionSuccessAsync();
-                await feeToken.approve(allowanceTarget, MAX_FEE_AMOUNT).awaitTransactionSuccessAsync({ from: signer });
+                await feeToken.approve(zeroEx.address, MAX_FEE_AMOUNT).awaitTransactionSuccessAsync({ from: signer });
             }),
         );
     });

contracts/zero-ex/test/features/transform_erc20_test.ts

@@ -20,7 +20,6 @@ import { abis } from '../utils/abis';
 import { fullMigrateAsync } from '../utils/migration';
 import {
     FlashWalletContract,
-    ITokenSpenderFeatureContract,
     TestMintableERC20TokenContract,
     TestMintTokenERC20TransformerContract,
     TestMintTokenERC20TransformerEvents,
@@ -42,7 +41,6 @@ blockchainTests.resets('TransformERC20 feature', env => {
     let zeroEx: IZeroExContract;
     let feature: TransformERC20FeatureContract;
     let wallet: FlashWalletContract;
-    let allowanceTarget: string;
 
     before(async () => {
         [owner, taker, sender, transformerDeployer] = await env.getAccountAddressesAsync();
@@ -67,9 +65,6 @@ blockchainTests.resets('TransformERC20 feature', env => {
             abis,
         );
         wallet = new FlashWalletContract(await feature.getTransformWallet().callAsync(), env.provider, env.txDefaults);
-        allowanceTarget = await new ITokenSpenderFeatureContract(zeroEx.address, env.provider, env.txDefaults)
-            .getAllowanceTarget()
-            .callAsync();
         await feature.setQuoteSigner(callDataSigner).awaitTransactionSuccessAsync({ from: owner });
     });
 
@@ -173,7 +168,7 @@ blockchainTests.resets('TransformERC20 feature', env => {
                 },
                 artifacts,
             );
-            await inputToken.approve(allowanceTarget, MAX_UINT256).awaitTransactionSuccessAsync({ from: taker });
+            await inputToken.approve(zeroEx.address, MAX_UINT256).awaitTransactionSuccessAsync({ from: taker });
         });
 
         interface Transformation {

contracts/zero-ex/test/lib_token_spender_test.ts

@@ -0,0 +1,210 @@
+import {
+    blockchainTests,
+    expect,
+    getRandomInteger,
+    randomAddress,
+    verifyEventsFromLogs,
+} from '@0x/contracts-test-utils';
+import { BigNumber, hexUtils, StringRevertError, ZeroExRevertErrors } from '@0x/utils';
+
+import { artifacts } from './artifacts';
+import {
+    TestLibTokenSpenderContract,
+    TestLibTokenSpenderEvents,
+    TestTokenSpenderERC20TokenContract,
+    TestTokenSpenderERC20TokenEvents,
+} from './wrappers';
+
+blockchainTests.resets('LibTokenSpender library', env => {
+    let tokenSpender: TestLibTokenSpenderContract;
+    let token: TestTokenSpenderERC20TokenContract;
+
+    before(async () => {
+        tokenSpender = await TestLibTokenSpenderContract.deployFrom0xArtifactAsync(
+            artifacts.TestLibTokenSpender,
+            env.provider,
+            env.txDefaults,
+            artifacts,
+        );
+        token = await TestTokenSpenderERC20TokenContract.deployFrom0xArtifactAsync(
+            artifacts.TestTokenSpenderERC20Token,
+            env.provider,
+            env.txDefaults,
+            artifacts,
+        );
+    });
+
+    describe('spendERC20Tokens()', () => {
+        const EMPTY_RETURN_AMOUNT = 1337;
+        const FALSE_RETURN_AMOUNT = 1338;
+        const REVERT_RETURN_AMOUNT = 1339;
+        const TRIGGER_FALLBACK_SUCCESS_AMOUNT = 1340;
+        const EXTRA_RETURN_TRUE_AMOUNT = 1341;
+        const EXTRA_RETURN_FALSE_AMOUNT = 1342;
+
+        it('spendERC20Tokens() successfully calls compliant ERC20 token', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(123456);
+            const receipt = await tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            verifyEventsFromLogs(
+                receipt.logs,
+                [
+                    {
+                        sender: tokenSpender.address,
+                        from: tokenFrom,
+                        to: tokenTo,
+                        amount: tokenAmount,
+                    },
+                ],
+                TestTokenSpenderERC20TokenEvents.TransferFromCalled,
+            );
+        });
+
+        it('spendERC20Tokens() successfully calls non-compliant ERC20 token', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(EMPTY_RETURN_AMOUNT);
+            const receipt = await tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            verifyEventsFromLogs(
+                receipt.logs,
+                [
+                    {
+                        sender: tokenSpender.address,
+                        from: tokenFrom,
+                        to: tokenTo,
+                        amount: tokenAmount,
+                    },
+                ],
+                TestTokenSpenderERC20TokenEvents.TransferFromCalled,
+            );
+        });
+
+        it('spendERC20Tokens() reverts if ERC20 token reverts', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(REVERT_RETURN_AMOUNT);
+            const tx = tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            const expectedError = new ZeroExRevertErrors.Spender.SpenderERC20TransferFromFailedError(
+                token.address,
+                tokenFrom,
+                tokenTo,
+                tokenAmount,
+                new StringRevertError('TestTokenSpenderERC20Token/Revert').encode(),
+            );
+            return expect(tx).to.revertWith(expectedError);
+        });
+
+        it('spendERC20Tokens() reverts if ERC20 token returns false', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(FALSE_RETURN_AMOUNT);
+            const tx = tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            return expect(tx).to.revertWith(
+                new ZeroExRevertErrors.Spender.SpenderERC20TransferFromFailedError(
+                    token.address,
+                    tokenFrom,
+                    tokenTo,
+                    tokenAmount,
+                    hexUtils.leftPad(0),
+                ),
+            );
+        });
+
+        it('spendERC20Tokens() falls back successfully to TokenSpender._spendERC20Tokens()', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(TRIGGER_FALLBACK_SUCCESS_AMOUNT);
+            const receipt = await tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            verifyEventsFromLogs(
+                receipt.logs,
+                [
+                    {
+                        token: token.address,
+                        owner: tokenFrom,
+                        to: tokenTo,
+                        amount: tokenAmount,
+                    },
+                ],
+                TestLibTokenSpenderEvents.FallbackCalled,
+            );
+        });
+
+        it('spendERC20Tokens() allows extra data after true', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(EXTRA_RETURN_TRUE_AMOUNT);
+
+            const receipt = await tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            verifyEventsFromLogs(
+                receipt.logs,
+                [
+                    {
+                        sender: tokenSpender.address,
+                        from: tokenFrom,
+                        to: tokenTo,
+                        amount: tokenAmount,
+                    },
+                ],
+                TestTokenSpenderERC20TokenEvents.TransferFromCalled,
+            );
+        });
+
+        it("spendERC20Tokens() reverts when there's extra data after false", async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(EXTRA_RETURN_FALSE_AMOUNT);
+
+            const tx = tokenSpender
+                .spendERC20Tokens(token.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            return expect(tx).to.revertWith(
+                new ZeroExRevertErrors.Spender.SpenderERC20TransferFromFailedError(
+                    token.address,
+                    tokenFrom,
+                    tokenTo,
+                    tokenAmount,
+                    hexUtils.leftPad(EXTRA_RETURN_FALSE_AMOUNT, 64),
+                ),
+            );
+        });
+
+        it('spendERC20Tokens() cannot call self', async () => {
+            const tokenFrom = randomAddress();
+            const tokenTo = randomAddress();
+            const tokenAmount = new BigNumber(123456);
+
+            const tx = tokenSpender
+                .spendERC20Tokens(tokenSpender.address, tokenFrom, tokenTo, tokenAmount)
+                .awaitTransactionSuccessAsync();
+            return expect(tx).to.revertWith('LibTokenSpender/CANNOT_INVOKE_SELF');
+        });
+    });
+
+    describe('getSpendableERC20BalanceOf()', () => {
+        it("returns the minimum of the owner's balance and allowance", async () => {
+            const balance = getRandomInteger(1, '1e18');
+            const allowance = getRandomInteger(1, '1e18');
+            const tokenOwner = randomAddress();
+            await token
+                .setBalanceAndAllowanceOf(tokenOwner, balance, tokenSpender.address, allowance)
+                .awaitTransactionSuccessAsync();
+            const spendableBalance = await tokenSpender
+                .getSpendableERC20BalanceOf(token.address, tokenOwner)
+                .callAsync();
+            expect(spendableBalance).to.bignumber.eq(BigNumber.min(balance, allowance));
+        });
+    });
+});

contracts/zero-ex/test/wrappers.ts

@@ -52,6 +52,7 @@ export * from '../test/generated-wrappers/lib_simple_function_registry_rich_erro
 export * from '../test/generated-wrappers/lib_simple_function_registry_storage';
 export * from '../test/generated-wrappers/lib_spender_rich_errors';
 export * from '../test/generated-wrappers/lib_storage';
+export * from '../test/generated-wrappers/lib_token_spender';
 export * from '../test/generated-wrappers/lib_token_spender_storage';
 export * from '../test/generated-wrappers/lib_transform_erc20_rich_errors';
 export * from '../test/generated-wrappers/lib_transform_erc20_storage';
@@ -82,6 +83,7 @@ export * from '../test/generated-wrappers/test_fill_quote_transformer_exchange';
 export * from '../test/generated-wrappers/test_fill_quote_transformer_host';
 export * from '../test/generated-wrappers/test_full_migration';
 export * from '../test/generated-wrappers/test_initial_migration';
+export * from '../test/generated-wrappers/test_lib_token_spender';
 export * from '../test/generated-wrappers/test_meta_transactions_transform_erc20_feature';
 export * from '../test/generated-wrappers/test_migrator';
 export * from '../test/generated-wrappers/test_mint_token_erc20_transformer';

contracts/zero-ex/tsconfig.json

@@ -76,6 +76,7 @@
         "test/generated-artifacts/LibSimpleFunctionRegistryStorage.json",
         "test/generated-artifacts/LibSpenderRichErrors.json",
         "test/generated-artifacts/LibStorage.json",
+        "test/generated-artifacts/LibTokenSpender.json",
         "test/generated-artifacts/LibTokenSpenderStorage.json",
         "test/generated-artifacts/LibTransformERC20RichErrors.json",
         "test/generated-artifacts/LibTransformERC20Storage.json",
@@ -106,6 +107,7 @@
         "test/generated-artifacts/TestFillQuoteTransformerHost.json",
         "test/generated-artifacts/TestFullMigration.json",
         "test/generated-artifacts/TestInitialMigration.json",
+        "test/generated-artifacts/TestLibTokenSpender.json",
         "test/generated-artifacts/TestMetaTransactionsTransformERC20Feature.json",
         "test/generated-artifacts/TestMigrator.json",
         "test/generated-artifacts/TestMintTokenERC20Transformer.json",

package.json

@@ -20,8 +20,10 @@
         "test:publish:circleci": "yarn npm-cli-login -u test -p test -e test@example.com -r http://localhost:4873 && IS_LOCAL_PUBLISH=true run-s script:publish test:installation:local",
         "run:publish": "run-s install:all script:prepublish_checks rebuild script:publish",
         "run:publish:local": "IS_LOCAL_PUBLISH=true yarn run:publish",
+        "run:publish:gha": "run-s install:all rebuild script:publish:gha",
         "script:prepublish_checks": "node ./node_modules/@0x/monorepo-scripts/lib/prepublish_checks.js",
         "script:publish": "node ./node_modules/@0x/monorepo-scripts/lib/publish.js --repo protocol",
+        "script:publish:gha": "node ./node_modules/@0x/monorepo-scripts/lib/publish.js --repo tools --auto-commit --no-upload-docs --yes",
         "install:all": "yarn install",
         "wsrun": "wsrun",
         "lerna": "lerna",
@@ -64,7 +66,7 @@
         "ignoreDependencyVersionsForPackage": "contract-wrappers"
     },
     "devDependencies": {
-        "@0x/monorepo-scripts": "^2.0.3",
+        "@0x/monorepo-scripts": "^2.0.4",
         "@0x-lerna-fork/lerna": "3.16.10",
         "@0xproject/npm-cli-login": "^0.0.11",
         "async-child-process": "^1.1.1",

packages/asset-swapper/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1603487270,
+        "version": "4.7.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "version": "4.7.0",
         "changes": [

packages/asset-swapper/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.7.1 - _October 23, 2020_
+
+    * Dependencies updated
+
 ## v4.7.0 - _October 21, 2020_
 
     * Return quoteReport from SwapQuoter functions (#2627)

packages/asset-swapper/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/asset-swapper",
-    "version": "4.7.0",
+    "version": "4.7.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -95,7 +95,7 @@
         "@0x/contracts-test-utils": "^5.3.5",
         "@0x/contracts-utils": "^4.5.2",
         "@0x/mesh-rpc-client": "^9.4.2",
-        "@0x/migrations": "^6.4.1",
+        "@0x/migrations": "^6.4.2",
         "@0x/sol-compiler": "^4.2.3",
         "@0x/subproviders": "^6.1.5",
         "@0x/ts-doc-gen": "^0.0.28",

packages/contract-wrappers-test/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-wrappers-test",
-    "version": "12.2.17",
+    "version": "12.2.18",
     "engines": {
         "node": ">=6.12"
     },
@@ -34,7 +34,7 @@
         "@0x/contract-wrappers": "^13.9.0",
         "@0x/contracts-test-utils": "^5.3.5",
         "@0x/dev-utils": "^3.3.4",
-        "@0x/migrations": "^6.4.1",
+        "@0x/migrations": "^6.4.2",
         "@0x/order-utils": "^10.4.0",
         "@0x/subproviders": "^6.1.5",
         "@0x/ts-doc-gen": "^0.0.28",

packages/migrations/CHANGELOG.json

@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1603487270,
+        "version": "6.4.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "version": "6.4.1",
         "changes": [

packages/migrations/CHANGELOG.md

@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.4.2 - _October 23, 2020_
+
+    * Dependencies updated
+
 ## v6.4.1 - _October 21, 2020_
 
     * Change test protocol fee to 70000. (#2637)

packages/migrations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/migrations",
-    "version": "6.4.1",
+    "version": "6.4.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -81,7 +81,7 @@
         "@0x/contracts-multisig": "^4.1.8",
         "@0x/contracts-staking": "^2.0.15",
         "@0x/contracts-utils": "^4.5.2",
-        "@0x/contracts-zero-ex": "^0.3.0",
+        "@0x/contracts-zero-ex": "^0.4.0",
         "@0x/sol-compiler": "^4.2.3",
         "@0x/subproviders": "^6.1.5",
         "@0x/typescript-typings": "^5.1.5",

yarn.lock

@@ -749,33 +749,7 @@
     lodash "^4.17.11"
     valid-url "^1.0.9"
 
-"@0x/asset-swapper@0xProject/gitpkg-registry#0x-asset-swapper-v4.6.0-36546480b":
-  version "4.6.0"
-  resolved "https://codeload.github.com/0xProject/gitpkg-registry/tar.gz/4d2c5fc7cc1645b8a65f20c999d66ea2ab8e0048"
-  dependencies:
-    "@0x/assert" "^3.0.9"
-    "@0x/base-contract" "^6.2.3"
-    "@0x/contract-addresses" "^4.11.0"
-    "@0x/contract-wrappers" "^13.8.0"
-    "@0x/json-schemas" "^5.1.0"
-    "@0x/order-utils" "^10.3.0"
-    "@0x/orderbook" "^2.2.7"
-    "@0x/quote-server" "^2.0.2"
-    "@0x/types" "^3.2.0"
-    "@0x/typescript-typings" "^5.1.1"
-    "@0x/utils" "^5.5.1"
-    "@0x/web3-wrapper" "^7.2.0"
-    "@balancer-labs/sor" "0.3.2"
-    "@bancor/sdk" "^0.2.9"
-    axios "^0.19.2"
-    axios-mock-adapter "^1.18.1"
-    decimal.js "^10.2.0"
-    ethereum-types "^3.2.0"
-    ethereumjs-util "^5.1.1"
-    heartbeats "^5.0.1"
-    lodash "^4.17.11"
-
-"@0x/base-contract@^6.2.3", "@0x/base-contract@^6.2.7":
+"@0x/base-contract@^6.2.7":
   version "6.2.7"
   resolved "https://registry.yarnpkg.com/@0x/base-contract/-/base-contract-6.2.7.tgz#1d29b2f63f668d39715c1ff64fcf781c0471e209"
   integrity sha512-R1EbFRyDC6g/0y9oMeUl/nwb9XGMzINR+G1aN1dRqFwJkyGiFJilY1rOkzvvjgdNcr6sdRDs7lxMHKeMloHW4w==
@@ -938,10 +912,10 @@
     web3-providers "^2.0.0-alpha.1"
     websocket "^1.0.29"
 
-"@0x/monorepo-scripts@^2.0.3":
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/@0x/monorepo-scripts/-/monorepo-scripts-2.0.3.tgz#4766b31329e9323eceb34abedbcff4113ffeb2d1"
-  integrity sha512-jqycycIFZb+5g1Am9sOCHojXpqHx+7RPzjx3d4X/X0rQ6C/kct9dcSnWcMxStb9G411BcKjSpkTuW3c1FQeGIg==
+"@0x/monorepo-scripts@^2.0.4":
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/@0x/monorepo-scripts/-/monorepo-scripts-2.0.4.tgz#26e5d868197e371408a400b22768ef7840d83c0c"
+  integrity sha512-swxC+UZFdAKgcCrVpWmgydLNJXdOdTE5g6kiGIsiHMWBxIfAVjbXnHCpri6VYX16Jk2iu04F3STFJ0QlhfQmCA==
   dependencies:
     "@0x/types" "^3.2.4"
     "@0x/utils" "^5.6.3"
@@ -978,19 +952,6 @@
     "@0x/order-utils" "^10.3.0"
     "@0x/utils" "^5.5.1"
 
-"@0x/quote-server@^2.0.2":
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/@0x/quote-server/-/quote-server-2.1.0.tgz#48b4da703116bf373728789ae67dd647616e8332"
-  integrity sha512-b6zDzpF3KygXyRGOREpLklSObJXvhYVSuVVOXQToR94unkzJtY5wsNSC6aRGiKsgDevLA0kDuiz55Ym3UOSxhg==
-  dependencies:
-    "@0x/json-schemas" "^5.0.7"
-    "@0x/order-utils" "^10.2.4"
-    "@0x/utils" "^5.4.1"
-    "@types/express" "^4.17.3"
-    express "^4.17.1"
-    express-async-handler "^1.1.4"
-    http-status-codes "^1.4.0"
-
 "@0x/quote-server@^3.1.0":
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/@0x/quote-server/-/quote-server-3.1.0.tgz#ba5c0de9f88fedfd522ec1ef608dd8eebb868509"
@@ -1276,7 +1237,7 @@
     websocket "^1.0.28"
     xhr2-cookies "1.1.0"
 
-"@0x/web3-wrapper@^7.2.0", "@0x/web3-wrapper@^7.2.4":
+"@0x/web3-wrapper@^7.2.4":
   version "7.2.4"
   resolved "https://registry.yarnpkg.com/@0x/web3-wrapper/-/web3-wrapper-7.2.4.tgz#c66a506900c1144c465b971ae2cad3b580619f1f"
   integrity sha512-/Rtwd/uVJBXCW40Z+Bp/+wEv4AQCGU+8K7uqYh+dzU3aRsKPpar9pTBEO2wbujTeYQRHfq1SB1zVdAJWrMSBdg==
@@ -1529,9 +1490,9 @@
     "@ethersproject/logger" "^5.0.5"
 
 "@ethersproject/providers@^5.0.4":
-  version "5.0.13"
-  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.0.13.tgz#1ec39e544353e1090803955ba6a1920ee942d6ab"
-  integrity sha512-5jsuk1FwXxmoQApGs8LSQyS43KP01pHA+6cQ1OPov5pT5Pcqe6ffh6UD1//BZ9Vjf+5e9AQqIk8w7FkGyROuCA==
+  version "5.0.14"
+  resolved "https://registry.yarnpkg.com/@ethersproject/providers/-/providers-5.0.14.tgz#751ccb14b4a8c8e9e4be171818c23f4601be90ba"
+  integrity sha512-K9QRRkkHWyprm3g4L8U9aPx5uyivznL4RYemkN2shCQumyGqFJ5SO+OtQrgebVm0JpGwFAUGugnhRUh49sjErw==
   dependencies:
     "@ethersproject/abstract-provider" "^5.0.4"
     "@ethersproject/abstract-signer" "^5.0.4"
@@ -2517,9 +2478,9 @@
     "@octokit/types" "^2.0.1"
 
 "@octokit/plugin-request-log@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@octokit/plugin-request-log/-/plugin-request-log-1.0.0.tgz#eef87a431300f6148c39a7f75f8cfeb218b2547e"
-  integrity sha512-ywoxP68aOT3zHCLgWZgwUJatiENeHE7xJzYjfz8WI0goynp96wETBF+d95b8g/uL4QmS6owPVlaxiz3wyMAzcw==
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@octokit/plugin-request-log/-/plugin-request-log-1.0.1.tgz#07e3bfeb94559a2538cdf54d435b097fba6d6fd3"
+  integrity sha512-d8vmiGAUGswxErdIGfpd0I2UHo2Cs7EaBDpFUZQ9UqYmA0s5/4XoMO4HBld73xGpCj2BvyVyQe2qd9e+/nvKwQ==
 
 "@octokit/plugin-rest-endpoint-methods@2.4.0":
   version "2.4.0"
@@ -2756,9 +2717,9 @@
     "@types/node" "*"
 
 "@types/node@*", "@types/node@>= 8":
-  version "14.14.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.0.tgz#f1091b6ad5de18e8e91bdbd43ec63f13de372538"
-  integrity sha512-BfbIHP9IapdupGhq/hc+jT5dyiBVZ2DdeC5WwJWQWDb0GijQlzUFAeIQn/2GtvZcd2HVUU7An8felIICFTC2qg==
+  version "14.14.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.14.2.tgz#d25295f9e4ca5989a2c610754dc02a9721235eeb"
+  integrity sha512-jeYJU2kl7hL9U5xuI/BhKPZ4vqGM/OmK6whiFAXVhlstzZhVamWhDSmHyGLIp+RVyuF9/d0dqr2P85aFj4BvJg==
 
 "@types/node@12.12.54":
   version "12.12.54"
@@ -2766,14 +2727,14 @@
   integrity sha512-ge4xZ3vSBornVYlDnk7yZ0gK6ChHf/CHB7Gl1I0Jhah8DDnEQqBzgohYG4FX4p81TNirSETOiSyn+y1r9/IR6w==
 
 "@types/node@^10.12.18", "@types/node@^10.3.2":
-  version "10.17.40"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.40.tgz#8a50e47daff15fd4a89dc56f5221b3729e506be6"
-  integrity sha512-3hZT2z2/531A5pc8hYhn1gU5Qb1SIRSgMLQ6zuHA5xtt16lWAxUGprtr8lJuc9zNJMXEIIBWfSnzqBP/4mglpA==
+  version "10.17.42"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.42.tgz#90dd71b26fe4f4e2929df6b07e72ef2e9648a173"
+  integrity sha512-HElxYF7C/MSkuvlaHB2c+82zhXiuO49Cq056Dol8AQuTph7oJtduo2n6J8rFa+YhJyNgQ/Lm20ZaxqD0vxU0+Q==
 
 "@types/node@^12.12.6", "@types/node@^12.6.1":
-  version "12.12.69"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.69.tgz#7cb6a3aa0d16664bf2dcd1450ccb8477464fbd79"
-  integrity sha512-2F2VQRSFmzqgUEXw75L51MgnnZqc6bKWVSUPfrDPzp6mzGGibeVwyQcpvZvBr5RnsoMRHmC8EcBQiobSeqeJxg==
+  version "12.19.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.19.1.tgz#303f74c8a2b35644594139e948b2be470ae1186f"
+  integrity sha512-/xaVmBBjOGh55WCqumLAHXU9VhjGtmyTGqJzFBXRWZzByOXI5JAJNx9xPVGEsNizrNwcec92fQMj458MWfjN1A==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"
@@ -4511,9 +4472,9 @@ camelcase@^5.0.0, camelcase@^5.3.1:
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
 caniuse-lite@^1.0.30000844:
-  version "1.0.30001148"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001148.tgz#dc97c7ed918ab33bf8706ddd5e387287e015d637"
-  integrity sha512-E66qcd0KMKZHNJQt9hiLZGE3J4zuTqE1OnU53miEVtylFbwOEmeA5OsRu90noZful+XGSQOni1aT2tiqu/9yYw==
+  version "1.0.30001150"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001150.tgz#6d0d829da654b0b233576de00335586bc2004df1"
+  integrity sha512-kiNKvihW0m36UhAFnl7bOAv0i1K1f6wpfVtTF5O5O82XzgtBnb05V0XeV3oZ968vfg2sRNChsHw8ASH2hDfoYQ==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -5307,9 +5268,9 @@ crypto-browserify@3.12.0:
     randomfill "^1.0.3"
 
 csstype@^3.0.2:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.0.3.tgz#2b410bbeba38ba9633353aff34b05d9755d065f8"
-  integrity sha512-jPl+wbWPOWJ7SXsWyqGRk3lGecbar0Cb0OvZF/r/ZU011R4YqiRehgkQ9p4eQfo9DSDLqLL3wHwfxeJiuIsNag==
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.0.4.tgz#b156d7be03b84ff425c9a0a4b1e5f4da9c5ca888"
+  integrity sha512-xc8DUsCLmjvCfoD7LTGE0ou2MIWLx0K9RCZwSHMOdynqRsP4MtUcLeqh1HcQ2dInwDTqn+3CE0/FZh1et+p4jA==
 
 currently-unhandled@^0.4.1:
   version "0.4.1"
@@ -5863,9 +5824,9 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 electron-to-chromium@^1.3.47:
-  version "1.3.582"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.582.tgz#1adfac5affce84d85b3d7b3dfbc4ade293a6ffc4"
-  integrity sha512-0nCJ7cSqnkMC+kUuPs0YgklFHraWGl/xHqtZWWtOeVtyi+YqkoAOMGuZQad43DscXCQI/yizcTa3u6B5r+BLww==
+  version "1.3.583"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.583.tgz#47a9fde74740b1205dba96db2e433132964ba3ee"
+  integrity sha512-L9BwLwJohjZW9mQESI79HRzhicPk1DFgM+8hOCfGgGCFEcA3Otpv7QK6SGtYoZvfQfE3wKLh0Hd5ptqUFv3gvQ==
 
 elliptic@6.3.3:
   version "6.3.3"
@@ -6432,7 +6393,7 @@ ethereum-types@^2.2.0-beta.2:
     "@types/node" "*"
     bignumber.js "~9.0.0"
 
-ethereum-types@^3.2.0, ethereum-types@^3.3.2, ethereum-types@^3.3.3:
+ethereum-types@^3.3.2, ethereum-types@^3.3.3:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/ethereum-types/-/ethereum-types-3.3.3.tgz#b9328185034ee52efa32176eb6fd9f3e741cb231"
   integrity sha512-FWW7ajHqgoqVHhPMX4sY2ycARpPFL8p/64rpToo8awNrJY7rBDnSC8esQYlAPeaiawf9fTM/xAgEm9VKY7J5kg==
@@ -7586,9 +7547,9 @@ git-up@^4.0.0:
     parse-url "^5.0.0"
 
 git-url-parse@^11.1.2:
-  version "11.3.0"
-  resolved "https://registry.yarnpkg.com/git-url-parse/-/git-url-parse-11.3.0.tgz#1515b4574c4eb2efda7d25cc50b29ce8beaefaae"
-  integrity sha512-i3XNa8IKmqnUqWBcdWBjOcnyZYfN3C1WRvnKI6ouFWwsXCZEnlgbwbm55ZpJ3OJMhfEP/ryFhqW8bBhej3C5Ug==
+  version "11.4.0"
+  resolved "https://registry.yarnpkg.com/git-url-parse/-/git-url-parse-11.4.0.tgz#f2bb1f2b00f05552540e95a62e31399a639a6aa6"
+  integrity sha512-KlIa5jvMYLjXMQXkqpFzobsyD/V2K5DRHl5OAf+6oDFPlPLxrGDVQlIdI63c4/Kt6kai4kALENSALlzTGST3GQ==
   dependencies:
     git-up "^4.0.0"
 
@@ -9067,9 +9028,9 @@ jsonparse@^1.2.0:
   integrity sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA=
 
 jsonschema@^1.2.0, jsonschema@^1.2.4:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/jsonschema/-/jsonschema-1.3.0.tgz#def86ca039b4f4254e76528d173462bc5da36162"
-  integrity sha512-qg48ckmeeQNPyPAUVIb4Qgmg/U2Kgg5SuEyMs8Z72cnxsw5Ra088U/Foi6sMp/cs7sZ+LNrmvX0Ww+ohE2By0g==
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/jsonschema/-/jsonschema-1.4.0.tgz#1afa34c4bc22190d8e42271ec17ac8b3404f87b2"
+  integrity sha512-/YgW6pRMr6M7C+4o8kS+B/2myEpHCrxO4PEWnqJNBFMjn7EWXqlQ4tGwL6xTHeRplwuZmcAncdvfOad1nT2yMw==
 
 jsprim@^1.2.2:
   version "1.4.1"
@@ -11716,9 +11677,9 @@ public-encrypt@^4.0.0:
     randombytes "^2.0.1"
     safe-buffer "^5.1.2"
 
-"publish-release@git+https://github.com/0xProject/publish-release.git#3f8be1105a356527f4b362ff456d94bf9a82f2ed":
+"publish-release@https://github.com/0xProject/publish-release.git#3f8be1105a356527f4b362ff456d94bf9a82f2ed":
   version "1.3.3"
-  resolved "git+https://github.com/0xProject/publish-release.git#3f8be1105a356527f4b362ff456d94bf9a82f2ed"
+  resolved "https://github.com/0xProject/publish-release.git#3f8be1105a356527f4b362ff456d94bf9a82f2ed"
   dependencies:
     async "^0.9.0"
     ghauth "^2.0.0"
@@ -13845,9 +13806,9 @@ trim-right@^1.0.1:
   integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
 truffle@^5.0.32:
-  version "5.1.49"
-  resolved "https://registry.yarnpkg.com/truffle/-/truffle-5.1.49.tgz#c9edc95192047ff4d170fcad235d26d0c4545de5"
-  integrity sha512-SkCfYRPhruowxH+qpJBAvM0u5+j/LK51U85ErXeiuRhyCNEWMNjUtISHTlEZ0KLr0Kki68iXk+o2UekN4Nlp5g==
+  version "5.1.50"
+  resolved "https://registry.yarnpkg.com/truffle/-/truffle-5.1.50.tgz#78d7f06f0fbd6ec6d5651d4ba90cecf2c16d332f"
+  integrity sha512-SCAn29Z2i713BsUVfxRqM7AcvBuodTfFa1O9IX2KtqYs4/ACjJCp+702aRb63R9NowCeQ8WawrgRbYlmzCtpPA==
   dependencies:
     app-module-path "^2.2.0"
     mocha "8.1.2"