Publish

- @0x/contracts-asset-proxy@3.7.5
 - @0x/contracts-broker@1.1.23
 - @0x/contracts-coordinator@3.1.24
 - @0x/contracts-dev-utils@1.3.22
 - @0x/contracts-erc1155@2.1.23
 - @0x/contracts-erc20@3.3.2
 - @0x/contracts-erc721@3.1.23
 - @0x/contracts-exchange-forwarder@4.2.24
 - @0x/contracts-exchange-libs@4.3.23
 - @0x/contracts-exchange@3.2.24
 - @0x/contracts-extensions@6.2.18
 - @0x/contracts-integrations@2.7.24
 - @0x/contracts-multisig@4.1.24
 - @0x/contracts-staking@2.0.31
 - @0x/contracts-test-utils@5.3.20
 - @0x/contracts-utils@4.7.2
 - @0x/contracts-zero-ex@0.18.1
 - @0x/asset-swapper@5.8.1
 - @0x/contract-artifacts@3.11.1
 - @0x/contract-wrappers-test@12.2.35
 - @0x/contract-wrappers@13.12.2
 - @0x/migrations@6.5.11
 - @0x/order-utils@10.4.15
 - @0x/protocol-utils@1.1.5

contracts/asset-proxy/CHANGELOG.json

@@ -1,4 +1,77 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "3.7.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "3.7.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "3.7.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "3.7.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "3.7.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "3.7.0",
+        "changes": [
+            {
+                "note": "Fix Bancor support of ETH",
+                "pr": 88
+            }
+        ],
+        "timestamp": 1608105788
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "3.6.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "3.6.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "3.6.7",

contracts/asset-proxy/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.7.5 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v3.7.4 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v3.7.3 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v3.7.2 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v3.7.1 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v3.7.0 - _December 16, 2020_
+
+    * Fix Bancor support of ETH (#88)
+
+## v3.6.9 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v3.6.8 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v3.6.7 - _December 3, 2020_
 
     * Dependencies updated

contracts/asset-proxy/contracts/src/bridges/BancorBridge.sol

@@ -21,6 +21,7 @@ pragma solidity ^0.5.9;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol";
+import "@0x/contracts-erc20/contracts/src/interfaces/IEtherToken.sol";
 import "@0x/contracts-erc20/contracts/src/LibERC20Token.sol";
 import "@0x/contracts-exchange-libs/contracts/src/IWallet.sol";
 import "@0x/contracts-utils/contracts/src/DeploymentConstants.sol";
@@ -36,6 +37,20 @@ contract BancorBridge is
     struct TransferState {
         address bancorNetworkAddress;
         address[] path;
+        IEtherToken weth;
+    }
+
+    /// @dev Bancor ETH pseudo-address.
+    address constant public BANCOR_ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
+
+    // solhint-disable no-empty-blocks
+    /// @dev Payable fallback to receive ETH from Bancor/WETH.
+    function ()
+        external
+        payable
+    {
+        // Poor man's receive in 0.5.9
+        require(msg.data.length == 0);
     }
 
     /// @dev Callback for `IERC20Bridge`. Tries to buy `amount` of
@@ -60,7 +75,6 @@ contract BancorBridge is
     {
         // hold variables to get around stack depth limitations
         TransferState memory state;
-
         // Decode the bridge data.
         (
             state.path,
@@ -68,34 +82,42 @@ contract BancorBridge is
         // solhint-disable indent
         ) = abi.decode(bridgeData, (address[], address));
         // solhint-enable indent
+        state.weth = IEtherToken(_getWethAddress());
 
-        require(state.path.length > 0, "BancorBridge/PATH_MUST_EXIST");
-        // Just transfer the tokens if they're the same.
-        if (state.path[0] == toTokenAddress) {
-            LibERC20Token.transfer(state.path[0], to, amount);
-            return BRIDGE_SUCCESS;
+        require(state.path.length >= 2, "BancorBridge/PATH_LENGTH_MUST_BE_GREATER_THAN_TWO");
+
+        // Grant an allowance to the Bancor Network to spend `fromTokenAddress` token.
+        uint256 fromTokenBalance;
+        uint256 payableAmount = 0;
+        // If it's ETH in the path then withdraw from WETH
+        // The Bancor path will have ETH as the 0xeee address
+        // Bancor expects to be paid in ETH not WETH
+        if (state.path[0] == BANCOR_ETH_ADDRESS) {
+            fromTokenBalance = state.weth.balanceOf(address(this));
+            state.weth.withdraw(fromTokenBalance);
+            payableAmount = fromTokenBalance;
+        } else {
+            fromTokenBalance = IERC20Token(state.path[0]).balanceOf(address(this));
+            LibERC20Token.approveIfBelow(state.path[0], state.bancorNetworkAddress, fromTokenBalance);
         }
 
-        // Otherwise use Bancor to convert
-        require(state.path.length > 2, "BancorBridge/PATH_LENGTH_MUST_BE_GREATER_THAN_TWO");
-        require(state.path[state.path.length - 1] == toTokenAddress, "BancorBridge/LAST_ELEMENT_OF_PATH_MUST_MATCH_OUTPUT_TOKEN");
-        
-        // // Grant an allowance to the Bancor Network to spend `fromTokenAddress` token.
-        uint256 fromTokenBalance = IERC20Token(state.path[0]).balanceOf(address(this));
-        LibERC20Token.approveIfBelow(state.path[0], state.bancorNetworkAddress, fromTokenBalance);
-
         // Convert the tokens
-        uint256 boughtAmount = IBancorNetwork(state.bancorNetworkAddress).convertByPath(
+        uint256 boughtAmount = IBancorNetwork(state.bancorNetworkAddress).convertByPath.value(payableAmount)(
             state.path, // path originating with source token and terminating in destination token
             fromTokenBalance, // amount of source token to trade
             amount, // minimum amount of destination token expected to receive
-            to, // beneficiary
+            state.path[state.path.length-1] == BANCOR_ETH_ADDRESS ? address(this) : to, // beneficiary
             address(0), // affiliateAccount; no fee paid
             0 // affiliateFee; no fee paid
         );
 
+        if (state.path[state.path.length-1] == BANCOR_ETH_ADDRESS) {
+            state.weth.deposit.value(boughtAmount)();
+            state.weth.transfer(to, boughtAmount);
+        }
+
         emit ERC20BridgeTransfer(
-            state.path[0], // fromTokenAddress
+            state.path[0] == BANCOR_ETH_ADDRESS ? address(state.weth) : state.path[0],
             toTokenAddress,
             fromTokenBalance,
             boughtAmount,
@@ -118,5 +140,5 @@ contract BancorBridge is
     {
         return LEGACY_WALLET_MAGIC_VALUE;
     }
-    
+
 }

contracts/asset-proxy/contracts/src/bridges/KyberBridge.sol

@@ -56,11 +56,14 @@ contract KyberBridge is
     uint256 constant private KYBER_RATE_BASE = 10 ** 18;
 
     // solhint-disable no-empty-blocks
-    /// @dev Payable fallback to receive ETH from Kyber.
+    /// @dev Payable fallback to receive ETH from Kyber/WETH.
     function ()
         external
         payable
-    {}
+    {
+        // Poor man's receive in 0.5.9
+        require(msg.data.length == 0);
+    }
 
     /// @dev Callback for `IKyberBridge`. Tries to buy `amount` of
     ///      `toTokenAddress` tokens by selling the entirety of the opposing asset

contracts/asset-proxy/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-asset-proxy",
-    "version": "3.6.7",
+    "version": "3.7.5",
     "engines": {
         "node": ">=6.12"
     },
@@ -51,13 +51,13 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contract-wrappers": "^13.10.2",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contract-wrappers": "^13.12.2",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@types/lodash": "4.14.104",
@@ -79,16 +79,16 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-erc1155": "^2.1.16",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/order-utils": "^10.4.8",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-erc1155": "^2.1.23",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/order-utils": "^10.4.15",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "ethereum-types": "^3.4.0",
         "lodash": "^4.17.11"
     },

contracts/asset-proxy/test/bancor_bridge.ts

@@ -12,13 +12,11 @@ import { DecodedLogs } from 'ethereum-types';
 import * as _ from 'lodash';
 
 import { artifacts } from './artifacts';
-
 import { TestBancorBridgeContract } from './generated-wrappers/test_bancor_bridge';
 import {
     TestBancorBridgeConvertByPathInputEventArgs as ConvertByPathArgs,
     TestBancorBridgeEvents as ContractEvents,
     TestBancorBridgeTokenApproveEventArgs as TokenApproveArgs,
-    TestBancorBridgeTokenTransferEventArgs as TokenTransferArgs,
 } from './wrappers';
 
 blockchainTests.resets('Bancor unit tests', env => {
@@ -128,24 +126,6 @@ blockchainTests.resets('Bancor unit tests', env => {
             expect(result).to.eq(AssetProxyId.ERC20Bridge);
         });
 
-        it('performs transfer when both tokens are the same', async () => {
-            const createTokenFn = testContract.createToken(constants.NULL_ADDRESS);
-            const tokenAddress = await createTokenFn.callAsync();
-            await createTokenFn.awaitTransactionSuccessAsync();
-
-            const { opts, result, logs } = await transferFromAsync({
-                tokenAddressesPath: [tokenAddress, tokenAddress],
-            });
-            expect(result).to.eq(AssetProxyId.ERC20Bridge, 'asset proxy id');
-            const transfers = filterLogsToArguments<TokenTransferArgs>(logs, ContractEvents.TokenTransfer);
-
-            expect(transfers.length).to.eq(1);
-            expect(transfers[0].token).to.eq(tokenAddress, 'input token address');
-            expect(transfers[0].from).to.eq(testContract.address);
-            expect(transfers[0].to).to.eq(opts.toAddress, 'recipient address');
-            expect(transfers[0].amount).to.bignumber.eq(opts.amount, 'amount');
-        });
-
         describe('token -> token', async () => {
             it('calls BancorNetwork.convertByPath()', async () => {
                 const { opts, result, logs } = await transferFromAsync();

contracts/broker/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "1.1.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "1.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "1.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "1.1.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "1.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "1.1.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "1.1.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "1.1.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "1.1.15",

contracts/broker/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.1.23 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v1.1.22 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v1.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v1.1.20 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v1.1.19 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v1.1.18 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v1.1.17 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v1.1.16 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v1.1.15 - _December 3, 2020_
 
     * Dependencies updated

contracts/broker/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-broker",
-    "version": "1.1.15",
+    "version": "1.1.23",
     "engines": {
         "node": ">=6.12"
     },
@@ -51,20 +51,20 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/contracts-exchange": "^3.2.16",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/contracts-exchange": "^3.2.24",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -84,10 +84,10 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/order-utils": "^10.4.8",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/order-utils": "^10.4.15",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0"
     },
     "publishConfig": {

contracts/coordinator/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "3.1.24",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "3.1.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "3.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "3.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "3.1.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "3.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "3.1.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "3.1.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "3.1.16",

contracts/coordinator/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.24 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v3.1.23 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v3.1.22 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v3.1.21 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v3.1.20 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v3.1.19 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v3.1.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v3.1.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v3.1.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/coordinator/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-coordinator",
-    "version": "3.1.16",
+    "version": "3.1.24",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,17 +52,17 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -82,16 +82,16 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/assert": "^3.0.19",
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contract-addresses": "^5.5.0",
-        "@0x/contracts-exchange": "^3.2.16",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/json-schemas": "^5.3.4",
+        "@0x/assert": "^3.0.21",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contract-addresses": "^5.9.0",
+        "@0x/contracts-exchange": "^3.2.24",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/json-schemas": "^5.4.1",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0",
         "http-status-codes": "^1.3.2"
     },

contracts/dev-utils/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "1.3.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "1.3.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "1.3.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "1.3.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "1.3.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "1.3.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "1.3.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "1.3.15",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "1.3.14",

contracts/dev-utils/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.3.22 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v1.3.21 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v1.3.20 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v1.3.19 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v1.3.18 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v1.3.17 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v1.3.16 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v1.3.15 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v1.3.14 - _December 3, 2020_
 
     * Dependencies updated

contracts/dev-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-dev-utils",
-    "version": "1.3.14",
+    "version": "1.3.22",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,17 +41,17 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/dev-utils",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/assert": "^3.0.19",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/assert": "^3.0.21",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0",
         "ethers": "~4.0.4",
         "npm-run-all": "^4.1.2",
@@ -63,7 +63,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
+        "@0x/base-contract": "^6.2.18",
         "@types/node": "12.12.54"
     },
     "publishConfig": {

contracts/erc1155/CHANGELOG.json

@@ -1,4 +1,67 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "2.1.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "2.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "2.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "2.1.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "2.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "2.1.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "2.1.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "2.1.16",

contracts/erc1155/CHANGELOG.md

@@ -5,6 +5,34 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.1.23 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v2.1.22 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v2.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v2.1.20 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v2.1.19 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v2.1.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v2.1.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v2.1.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/erc1155/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc1155",
-    "version": "2.1.16",
+    "version": "2.1.23",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,11 +52,11 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
@@ -80,10 +80,10 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "lodash": "^4.17.11"
     },
     "publishConfig": {

contracts/erc20/CHANGELOG.json

@@ -1,4 +1,72 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "3.3.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "3.3.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "3.3.0",
+        "changes": [
+            {
+                "note": "Add SPDX license identifiers to solidity files",
+                "pr": 105
+            },
+            {
+                "note": "Allow for excess return data in `LibERC20TokenV06` compat* functions",
+                "pr": 97
+            }
+        ],
+        "timestamp": 1609802516
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "3.2.14",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "3.2.13",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "3.2.12",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "3.2.11",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "3.2.10",

contracts/erc20/CHANGELOG.md

@@ -5,6 +5,35 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.3.2 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v3.3.1 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v3.3.0 - _January 4, 2021_
+
+    * Add SPDX license identifiers to solidity files (#105)
+    * Allow for excess return data in `LibERC20TokenV06` compat* functions (#97)
+
+## v3.2.14 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v3.2.13 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v3.2.12 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v3.2.11 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v3.2.10 - _December 3, 2020_
 
     * Dependencies updated

contracts/erc20/contracts/src/v06/IERC20TokenV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/erc20/contracts/src/v06/IEtherTokenV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/erc20/contracts/src/v06/LibERC20TokenV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.
@@ -118,7 +119,7 @@ library LibERC20TokenV06 {
     {
         tokenDecimals = 18;
         (bool didSucceed, bytes memory resultData) = address(token).staticcall(DECIMALS_CALL_DATA);
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             tokenDecimals = uint8(LibBytesV06.readUint256(resultData, 0));
         }
     }
@@ -141,7 +142,7 @@ library LibERC20TokenV06 {
                 spender
             )
         );
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             allowance_ = LibBytesV06.readUint256(resultData, 0);
         }
     }
@@ -162,7 +163,7 @@ library LibERC20TokenV06 {
                 owner
             )
         );
-        if (didSucceed && resultData.length == 32) {
+        if (didSucceed && resultData.length >= 32) {
             balance = LibBytesV06.readUint256(resultData, 0);
         }
     }
@@ -180,7 +181,7 @@ library LibERC20TokenV06 {
         if (resultData.length == 0) {
             return true;
         }
-        if (resultData.length == 32) {
+        if (resultData.length >= 32) {
             uint256 result = LibBytesV06.readUint256(resultData, 0);
             if (result == 1) {
                 return true;

contracts/erc20/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc20",
-    "version": "3.2.10",
+    "version": "3.3.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -51,18 +51,18 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -82,7 +82,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13"
+        "@0x/base-contract": "^6.2.18"
     },
     "publishConfig": {
         "access": "public"

contracts/erc721/CHANGELOG.json

@@ -1,4 +1,67 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "3.1.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "3.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "3.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "3.1.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "3.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "3.1.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "3.1.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "3.1.16",

contracts/erc721/CHANGELOG.md

@@ -5,6 +5,34 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.23 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v3.1.22 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v3.1.21 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v3.1.20 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v3.1.19 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v3.1.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v3.1.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v3.1.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/erc721/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc721",
-    "version": "3.1.16",
+    "version": "3.1.23",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,18 +52,18 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -84,7 +84,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13"
+        "@0x/base-contract": "^6.2.18"
     },
     "publishConfig": {
         "access": "public"

contracts/exchange-forwarder/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "4.2.24",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "4.2.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "4.2.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "4.2.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "4.2.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "4.2.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "4.2.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "4.2.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "4.2.16",

contracts/exchange-forwarder/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.2.24 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v4.2.23 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v4.2.22 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v4.2.21 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v4.2.20 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v4.2.19 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v4.2.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v4.2.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v4.2.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/exchange-forwarder/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-forwarder",
-    "version": "4.2.16",
+    "version": "4.2.24",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,25 +52,25 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-erc1155": "^2.1.16",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/contracts-exchange": "^3.2.16",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-erc1155": "^2.1.23",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/contracts-exchange": "^3.2.24",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -90,7 +90,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
+        "@0x/base-contract": "^6.2.18",
         "@0x/typescript-typings": "^5.1.6",
         "ethereum-types": "^3.4.0"
     },

contracts/exchange-libs/CHANGELOG.json

@@ -1,4 +1,67 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "4.3.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "4.3.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "4.3.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "4.3.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "4.3.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "4.3.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "4.3.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "4.3.16",

contracts/exchange-libs/CHANGELOG.md

@@ -5,6 +5,34 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.3.23 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v4.3.22 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v4.3.21 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v4.3.20 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v4.3.19 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v4.3.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v4.3.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v4.3.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/exchange-libs/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-libs",
-    "version": "4.3.16",
+    "version": "4.3.23",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,14 +52,14 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/libs",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
-        "@0x/subproviders": "^6.2.2",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
+        "@0x/subproviders": "^6.4.1",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -80,13 +80,13 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/order-utils": "^10.4.8",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/order-utils": "^10.4.15",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0"
     },
     "publishConfig": {

contracts/exchange/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "3.2.24",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "3.2.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "3.2.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "3.2.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "3.2.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "3.2.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "3.2.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "3.2.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "3.2.16",

contracts/exchange/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.2.24 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v3.2.23 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v3.2.22 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v3.2.21 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v3.2.20 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v3.2.19 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v3.2.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v3.2.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v3.2.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/exchange/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange",
-    "version": "3.2.16",
+    "version": "3.2.24",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,21 +52,21 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-multisig": "^4.1.16",
-        "@0x/contracts-staking": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-multisig": "^4.1.24",
+        "@0x/contracts-staking": "^2.0.31",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -88,13 +88,13 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-erc1155": "^2.1.16",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/utils": "^6.1.1",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-erc1155": "^2.1.23",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/utils": "^6.2.0",
         "lodash": "^4.17.11"
     },
     "publishConfig": {

contracts/extensions/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "6.2.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "6.2.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "6.2.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "6.2.15",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "6.2.14",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "6.2.13",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "6.2.12",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "6.2.11",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "6.2.10",

contracts/extensions/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.2.18 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v6.2.17 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v6.2.16 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v6.2.15 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v6.2.14 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v6.2.13 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v6.2.12 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v6.2.11 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v6.2.10 - _December 3, 2020_
 
     * Dependencies updated

contracts/extensions/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-extensions",
-    "version": "6.2.10",
+    "version": "6.2.18",
     "engines": {
         "node": ">=6.12"
     },
@@ -52,23 +52,23 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/contracts-exchange": "^3.2.16",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/contracts-exchange": "^3.2.24",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -90,8 +90,8 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-test-utils": "^5.3.13",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-test-utils": "^5.3.20",
         "@0x/typescript-typings": "^5.1.6",
         "ethereum-types": "^3.4.0"
     },

contracts/integrations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-integrations",
-    "version": "2.7.11",
+    "version": "2.7.24",
     "private": true,
     "engines": {
         "node": ">=6.12"
@@ -52,24 +52,25 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contract-addresses": "^5.5.0",
-        "@0x/contract-wrappers": "^13.10.2",
-        "@0x/contracts-broker": "^1.1.15",
-        "@0x/contracts-coordinator": "^3.1.16",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-exchange-forwarder": "^4.2.16",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-extensions": "^6.2.10",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-utils": "^4.6.1",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contract-addresses": "^5.9.0",
+        "@0x/contract-wrappers": "^13.12.2",
+        "@0x/contracts-broker": "^1.1.23",
+        "@0x/contracts-coordinator": "^3.1.24",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-exchange-forwarder": "^4.2.24",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-extensions": "^6.2.18",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-utils": "^4.7.2",
         "@0x/coordinator-server": "^1.0.5",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/migrations": "^6.5.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/migrations": "^6.5.11",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/protocol-utils": "^1.1.5",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/tslint-config": "^4.1.3",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@azure/core-asynciterator-polyfill": "^1.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
@@ -92,21 +93,21 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/asset-swapper": "^5.3.0",
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-erc1155": "^2.1.16",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-erc721": "^3.1.16",
-        "@0x/contracts-exchange": "^3.2.16",
-        "@0x/contracts-multisig": "^4.1.16",
-        "@0x/contracts-staking": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-zero-ex": "^0.11.0",
-        "@0x/subproviders": "^6.2.2",
+        "@0x/asset-swapper": "^5.8.1",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-erc1155": "^2.1.23",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-erc721": "^3.1.23",
+        "@0x/contracts-exchange": "^3.2.24",
+        "@0x/contracts-multisig": "^4.1.24",
+        "@0x/contracts-staking": "^2.0.31",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-zero-ex": "^0.18.1",
+        "@0x/subproviders": "^6.4.1",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0",
         "ethereumjs-util": "^6.2.0",
         "lodash": "^4.17.11"

contracts/integrations/test/exchange-proxy/mtx_test.ts

@@ -6,19 +6,17 @@ import {
     artifacts as exchangeProxyArtifacts,
     IZeroExContract,
     LogMetadataTransformerContract,
-    Signature,
 } from '@0x/contracts-zero-ex';
 import { migrateOnceAsync } from '@0x/migrations';
+import { assetDataUtils, signatureUtils, SignedExchangeProxyMetaTransaction } from '@0x/order-utils';
 import {
-    assetDataUtils,
     encodeFillQuoteTransformerData,
     encodePayTakerTransformerData,
     ETH_TOKEN_ADDRESS,
     FillQuoteTransformerSide,
     findTransformerNonce,
-    signatureUtils,
-    SignedExchangeProxyMetaTransaction,
-} from '@0x/order-utils';
+    Signature,
+} from '@0x/protocol-utils';
 import { AssetProxyId, Order, SignedOrder } from '@0x/types';
 import { BigNumber, hexUtils } from '@0x/utils';
 import * as ethjs from 'ethereumjs-util';

contracts/multisig/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "4.1.24",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "4.1.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "4.1.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "4.1.21",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "4.1.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "4.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "4.1.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "4.1.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "4.1.16",

contracts/multisig/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.1.24 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v4.1.23 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v4.1.22 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v4.1.21 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v4.1.20 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v4.1.19 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v4.1.18 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v4.1.17 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v4.1.16 - _December 3, 2020_
 
     * Dependencies updated

contracts/multisig/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-multisig",
-    "version": "4.1.16",
+    "version": "4.1.24",
     "engines": {
         "node": ">=6.12"
     },
@@ -49,18 +49,18 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/multisig",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
         "@types/node": "12.12.54",
@@ -78,7 +78,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
+        "@0x/base-contract": "^6.2.18",
         "@0x/typescript-typings": "^5.1.6",
         "ethereum-types": "^3.4.0"
     },

contracts/staking/CHANGELOG.json

@@ -1,4 +1,76 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "2.0.31",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "2.0.30",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "2.0.29",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "2.0.28",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "2.0.27",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608105788,
+        "version": "2.0.26",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "2.0.25",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "2.0.24",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "2.0.23",

contracts/staking/CHANGELOG.md

@@ -5,6 +5,38 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.31 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v2.0.30 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v2.0.29 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v2.0.28 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v2.0.27 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v2.0.26 - _December 16, 2020_
+
+    * Dependencies updated
+
+## v2.0.25 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v2.0.24 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v2.0.23 - _December 3, 2020_
 
     * Dependencies updated

contracts/staking/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-staking",
-    "version": "2.0.23",
+    "version": "2.0.31",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,20 +53,20 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-asset-proxy": "^3.6.7",
-        "@0x/contracts-dev-utils": "^1.3.14",
-        "@0x/contracts-erc20": "^3.2.10",
-        "@0x/contracts-exchange-libs": "^4.3.16",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-utils": "^4.6.1",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-asset-proxy": "^3.7.5",
+        "@0x/contracts-dev-utils": "^1.3.22",
+        "@0x/contracts-erc20": "^3.3.2",
+        "@0x/contracts-exchange-libs": "^4.3.23",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-utils": "^4.7.2",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/ts-doc-gen": "^0.0.28",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/lodash": "4.14.104",
         "@types/node": "12.12.54",
         "chai": "^4.0.1",
@@ -87,10 +87,10 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contracts-test-utils": "^5.3.13",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contracts-test-utils": "^5.3.20",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "ethereum-types": "^3.4.0",
         "ethereumjs-util": "^5.1.1"
     },

contracts/test-utils/CHANGELOG.json

@@ -1,4 +1,67 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "5.3.20",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "5.3.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1609802516,
+        "version": "5.3.18",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "5.3.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "5.3.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "5.3.15",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "5.3.14",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "5.3.13",

contracts/test-utils/CHANGELOG.md

@@ -5,6 +5,34 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v5.3.20 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v5.3.19 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v5.3.18 - _January 4, 2021_
+
+    * Dependencies updated
+
+## v5.3.17 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v5.3.16 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v5.3.15 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v5.3.14 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v5.3.13 - _December 3, 2020_
 
     * Dependencies updated

contracts/test-utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-test-utils",
-    "version": "5.3.13",
+    "version": "5.3.20",
     "engines": {
         "node": ">=6.12"
     },
@@ -34,7 +34,7 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/test-utils",
     "devDependencies": {
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/tslint-config": "^4.1.3",
         "npm-run-all": "^4.1.2",
         "shx": "^0.2.2",
@@ -42,20 +42,20 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/assert": "^3.0.19",
-        "@0x/base-contract": "^6.2.13",
-        "@0x/contract-addresses": "^5.5.0",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/json-schemas": "^5.3.4",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-coverage": "^4.0.23",
-        "@0x/sol-profiler": "^4.1.13",
-        "@0x/sol-trace": "^3.0.23",
-        "@0x/subproviders": "^6.2.2",
+        "@0x/assert": "^3.0.21",
+        "@0x/base-contract": "^6.2.18",
+        "@0x/contract-addresses": "^5.9.0",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/json-schemas": "^5.4.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-coverage": "^4.0.29",
+        "@0x/sol-profiler": "^4.1.19",
+        "@0x/sol-trace": "^3.0.29",
+        "@0x/subproviders": "^6.4.1",
         "@0x/types": "^3.3.1",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/utils": "^6.2.0",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/bn.js": "^4.11.0",
         "@types/js-combinatorics": "^0.5.29",
         "@types/lodash": "4.14.104",

contracts/utils/CHANGELOG.json

@@ -1,4 +1,72 @@
 [
+    {
+        "timestamp": 1611648096,
+        "version": "4.7.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1610510890,
+        "version": "4.7.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "4.7.0",
+        "changes": [
+            {
+                "note": "Add `LibSafeMathV06.safeDowncastToUint128()`",
+                "pr": 97
+            },
+            {
+                "note": "Add SPDX license identifiers to solidity files",
+                "pr": 105
+            }
+        ],
+        "timestamp": 1609802516
+    },
+    {
+        "timestamp": 1608692071,
+        "version": "4.6.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1608245516,
+        "version": "4.6.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607485227,
+        "version": "4.6.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "4.6.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "timestamp": 1606961263,
         "version": "4.6.1",

contracts/utils/CHANGELOG.md

@@ -5,6 +5,35 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.7.2 - _January 26, 2021_
+
+    * Dependencies updated
+
+## v4.7.1 - _January 13, 2021_
+
+    * Dependencies updated
+
+## v4.7.0 - _January 4, 2021_
+
+    * Add `LibSafeMathV06.safeDowncastToUint128()` (#97)
+    * Add SPDX license identifiers to solidity files (#105)
+
+## v4.6.5 - _December 23, 2020_
+
+    * Dependencies updated
+
+## v4.6.4 - _December 17, 2020_
+
+    * Dependencies updated
+
+## v4.6.3 - _December 9, 2020_
+
+    * Dependencies updated
+
+## v4.6.2 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v4.6.1 - _December 3, 2020_
 
     * Dependencies updated

contracts/utils/contracts/src/v06/AuthorizableV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/LibBytesV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/LibMathV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2019 ZeroEx Intl.

contracts/utils/contracts/src/v06/LibSafeMathV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.
@@ -187,4 +188,18 @@ library LibSafeMathV06 {
     {
         return a < b ? a : b;
     }
+
+    function safeDowncastToUint128(uint256 a)
+        internal
+        pure
+        returns (uint128)
+    {
+        if (a > type(uint128).max) {
+            LibRichErrorsV06.rrevert(LibSafeMathRichErrorsV06.Uint256DowncastError(
+                LibSafeMathRichErrorsV06.DowncastErrorCodes.VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT128,
+                a
+            ));
+        }
+        return uint128(a);
+    }
 }

contracts/utils/contracts/src/v06/OwnableV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2019 ZeroEx Intl.

contracts/utils/contracts/src/v06/ReentrancyGuardV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibAuthorizableRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibBytesRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibMathRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibOwnableRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibReentrancyGuardRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/errors/LibSafeMathRichErrorsV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.
@@ -39,7 +40,8 @@ library LibSafeMathRichErrorsV06 {
     enum DowncastErrorCodes {
         VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT32,
         VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT64,
-        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT96
+        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT96,
+        VALUE_TOO_LARGE_TO_DOWNCAST_TO_UINT128
     }
 
     // solhint-disable func-name-mixedcase

contracts/utils/contracts/src/v06/interfaces/IAuthorizableV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/contracts/src/v06/interfaces/IOwnableV06.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/utils/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-utils",
-    "version": "4.6.1",
+    "version": "4.7.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -50,15 +50,15 @@
     },
     "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/utils",
     "devDependencies": {
-        "@0x/abi-gen": "^5.4.12",
-        "@0x/contracts-gen": "^2.0.23",
-        "@0x/contracts-test-utils": "^5.3.13",
-        "@0x/dev-utils": "^4.1.2",
-        "@0x/order-utils": "^10.4.8",
-        "@0x/sol-compiler": "^4.4.0",
+        "@0x/abi-gen": "^5.4.19",
+        "@0x/contracts-gen": "^2.0.30",
+        "@0x/contracts-test-utils": "^5.3.20",
+        "@0x/dev-utils": "^4.2.1",
+        "@0x/order-utils": "^10.4.15",
+        "@0x/sol-compiler": "^4.5.2",
         "@0x/tslint-config": "^4.1.3",
         "@0x/types": "^3.3.1",
-        "@0x/web3-wrapper": "^7.2.10",
+        "@0x/web3-wrapper": "^7.4.1",
         "@types/bn.js": "^4.11.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^5.2.7",
@@ -79,9 +79,9 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^6.2.13",
+        "@0x/base-contract": "^6.2.18",
         "@0x/typescript-typings": "^5.1.6",
-        "@0x/utils": "^6.1.1",
+        "@0x/utils": "^6.2.0",
         "bn.js": "^4.11.8",
         "ethereum-types": "^3.4.0"
     },

contracts/zero-ex/.npmignore

@@ -8,3 +8,4 @@
 # Blacklist tests in lib
 /lib/test/*
 # Package specific ignore
+/lib/scripts/*

contracts/zero-ex/CHANGELOG.json

@@ -1,4 +1,116 @@
 [
+    {
+        "version": "0.18.1",
+        "changes": [
+            {
+                "note": "Swallow reverts in `batchGetLimitOrderRelevantStates()` and `batchGetRfqOrderRelevantStates()`",
+                "pr": 117
+            }
+        ],
+        "timestamp": 1611648096
+    },
+    {
+        "version": "0.18.0",
+        "changes": [
+            {
+                "note": "Use consistent returndatasize checks in UniswapFeature",
+                "pr": 96
+            },
+            {
+                "note": "Remove `MetaTransactionsFeature._executeMetaTransaction()` and `SignatureValidatorFeature`",
+                "pr": 109
+            }
+        ],
+        "timestamp": 1610510890
+    },
+    {
+        "version": "0.17.0",
+        "changes": [
+            {
+                "note": "Add DevUtils-like functions to `NativeOrdersFeature`",
+                "pr": 97
+            },
+            {
+                "note": "Add SPDX license identifiers to solidity files",
+                "pr": 105
+            }
+        ],
+        "timestamp": 1609802516
+    },
+    {
+        "version": "0.16.0",
+        "changes": [
+            {
+                "note": "Fix CryptoCom rollup"
+            }
+        ],
+        "timestamp": 1608692071
+    },
+    {
+        "version": "0.15.0",
+        "changes": [
+            {
+                "note": "Add MixinBancor to BridgeAdapter",
+                "pr": 91
+            },
+            {
+                "note": "Add MixinCoFiX to BridgeAdapter",
+                "pr": 92
+            }
+        ],
+        "timestamp": 1608245516
+    },
+    {
+        "version": "0.14.0",
+        "changes": [
+            {
+                "note": "Use the `MetaTransaction` class from `@0x/protocol-utils` in tests.",
+                "pr": 90
+            }
+        ],
+        "timestamp": 1608149382
+    },
+    {
+        "version": "0.13.0",
+        "changes": [
+            {
+                "note": "Address audit feedback in UniswapFeature",
+                "pr": 82
+            },
+            {
+                "note": "Always transfer `msg.value` to the liquidity provider contract in LiquidityProviderFeature to",
+                "pr": 82
+            },
+            {
+                "note": "Remove backwards compatibility with old PLP/bridge interface in `LiquidityProviderFeature` and `MixinZeroExBridge`",
+                "pr": 85
+            }
+        ],
+        "timestamp": 1608105788
+    },
+    {
+        "version": "0.12.0",
+        "changes": [
+            {
+                "note": "Add test for selector collisions on the proxy",
+                "pr": 74
+            },
+            {
+                "note": "Move tooling out into `@0x/protocol-utils`.",
+                "pr": 76
+            }
+        ],
+        "timestamp": 1607485227
+    },
+    {
+        "timestamp": 1607381756,
+        "version": "0.11.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
     {
         "version": "0.11.0",
         "changes": [

contracts/zero-ex/CHANGELOG.md

@@ -5,6 +5,48 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.18.1 - _January 26, 2021_
+
+    * Swallow reverts in `batchGetLimitOrderRelevantStates()` and `batchGetRfqOrderRelevantStates()` (#117)
+
+## v0.18.0 - _January 13, 2021_
+
+    * Use consistent returndatasize checks in UniswapFeature (#96)
+    * Remove `MetaTransactionsFeature._executeMetaTransaction()` and `SignatureValidatorFeature` (#109)
+
+## v0.17.0 - _January 4, 2021_
+
+    * Add DevUtils-like functions to `NativeOrdersFeature` (#97)
+    * Add SPDX license identifiers to solidity files (#105)
+
+## v0.16.0 - _December 23, 2020_
+
+    * Fix CryptoCom rollup
+
+## v0.15.0 - _December 17, 2020_
+
+    * Add MixinBancor to BridgeAdapter (#91)
+    * Add MixinCoFiX to BridgeAdapter (#92)
+
+## v0.14.0 - _December 16, 2020_
+
+    * Use the `MetaTransaction` class from `@0x/protocol-utils` in tests. (#90)
+
+## v0.13.0 - _December 16, 2020_
+
+    * Address audit feedback in UniswapFeature (#82)
+    * Always transfer `msg.value` to the liquidity provider contract in LiquidityProviderFeature to (#82)
+    * Remove backwards compatibility with old PLP/bridge interface in `LiquidityProviderFeature` and `MixinZeroExBridge` (#85)
+
+## v0.12.0 - _December 9, 2020_
+
+    * Add test for selector collisions on the proxy (#74)
+    * Move tooling out into `@0x/protocol-utils`. (#76)
+
+## v0.11.1 - _December 7, 2020_
+
+    * Dependencies updated
+
 ## v0.11.0 - _December 3, 2020_
 
     * Turn `LibTokenSpender` into `FixinTokenSpender` (#38)

contracts/zero-ex/contracts/src/IZeroEx.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.
@@ -22,7 +23,6 @@ pragma experimental ABIEncoderV2;
 import "./features/IOwnableFeature.sol";
 import "./features/ISimpleFunctionRegistryFeature.sol";
 import "./features/ITokenSpenderFeature.sol";
-import "./features/ISignatureValidatorFeature.sol";
 import "./features/ITransformERC20Feature.sol";
 import "./features/IMetaTransactionsFeature.sol";
 import "./features/IUniswapFeature.sol";
@@ -35,7 +35,6 @@ interface IZeroEx is
     IOwnableFeature,
     ISimpleFunctionRegistryFeature,
     ITokenSpenderFeature,
-    ISignatureValidatorFeature,
     ITransformERC20Feature,
     IMetaTransactionsFeature,
     IUniswapFeature,

contracts/zero-ex/contracts/src/ZeroEx.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/ZeroExOptimized.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibCommonRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibLiquidityProviderRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibMetaTransactionsRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibNativeOrdersRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibOwnableRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibProxyRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibSignatureRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibSimpleFunctionRegistryRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibSpenderRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibTransformERC20RichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/errors/LibWalletRichErrors.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/AllowanceTarget.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/FeeCollector.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.
@@ -57,7 +58,6 @@ contract FeeCollector is AuthorizableV06 {
         external
         onlyAuthorized
     {
-        // Leave 1 wei behind to avoid expensive zero-->non-zero state change.
         if (address(this).balance > 0) {
             weth.deposit{value: address(this).balance}();
         }

contracts/zero-ex/contracts/src/external/FeeCollectorController.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/FlashWallet.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/IAllowanceTarget.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/IFlashWallet.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/ILiquidityProviderSandbox.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/LibFeeCollector.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/LiquidityProviderSandbox.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
   Copyright 2020 ZeroEx Intl.
   Licensed under the Apache License, Version 2.0 (the "License");
@@ -68,21 +69,13 @@ contract LiquidityProviderSandbox is
         onlyOwner
         override
     {
-        try ILiquidityProvider(provider).sellTokenForToken(
+        ILiquidityProvider(provider).sellTokenForToken(
             inputToken,
             outputToken,
             recipient,
             minBuyAmount,
             auxiliaryData
-        ) {} catch {
-            IERC20Bridge(provider).bridgeTransferFrom(
-                outputToken,
-                provider,
-                recipient,
-                minBuyAmount,
-                auxiliaryData
-            );
-        }
+        );
     }
 
     /// @dev Calls `sellEthForToken` on the given `provider` contract to

contracts/zero-ex/contracts/src/external/PermissionlessTransformerDeployer.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

contracts/zero-ex/contracts/src/external/TransformerDeployer.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

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

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

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

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

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

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.

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

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 
   Copyright 2020 ZeroEx Intl.