Compare commits
	
		
			31 Commits
		
	
	
		
			protocol@0
			...
			protocol@6
		
	
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					b463a39bfa | 
							
								
								
									
										23
									
								
								.readthedocs.yaml
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										23
									
								
								.readthedocs.yaml
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,23 @@
 | 
			
		||||
# Read the Docs configuration file
 | 
			
		||||
# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 | 
			
		||||
 | 
			
		||||
# Required
 | 
			
		||||
version: 2
 | 
			
		||||
 | 
			
		||||
# Build documentation in the docs/ directory with Sphinx
 | 
			
		||||
sphinx:
 | 
			
		||||
  configuration: docs/conf.py
 | 
			
		||||
 | 
			
		||||
# Build documentation with MkDocs
 | 
			
		||||
#mkdocs:
 | 
			
		||||
#  configuration: mkdocs.yml
 | 
			
		||||
 | 
			
		||||
# Optionally build your docs in additional formats such as PDF
 | 
			
		||||
#formats:
 | 
			
		||||
#  - pdf
 | 
			
		||||
 | 
			
		||||
# Optionally set the version of Python and requirements required to build your docs
 | 
			
		||||
python:
 | 
			
		||||
  version: 3.7
 | 
			
		||||
  install:
 | 
			
		||||
    - requirements: docs/requirements.txt
 | 
			
		||||
@@ -13,9 +13,11 @@
 | 
			
		||||
        "indent": ["error", 4],
 | 
			
		||||
        "max-line-length": ["warn", 160],
 | 
			
		||||
        "no-inline-assembly": false,
 | 
			
		||||
        "no-empty-blocks": false,
 | 
			
		||||
        "quotes": ["error", "double"],
 | 
			
		||||
        "separate-by-one-line-in-contract": "error",
 | 
			
		||||
        "space-after-comma": "error",
 | 
			
		||||
        "statement-indent": "error"
 | 
			
		||||
        "statement-indent": "error",
 | 
			
		||||
        "no-empty-blocks": false
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "3.6.7",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "3.6.6",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v3.6.7 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v3.6.6 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
							
								
								
									
										136
									
								
								contracts/asset-proxy/contracts/src/bridges/CryptoComBridge.sol
									
									
									
									
									
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										136
									
								
								contracts/asset-proxy/contracts/src/bridges/CryptoComBridge.sol
									
									
									
									
									
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							@@ -0,0 +1,136 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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 ^0.5.9;
 | 
			
		||||
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/LibAddressArray.sol";
 | 
			
		||||
import "@0x/contracts-utils/contracts/src/DeploymentConstants.sol";
 | 
			
		||||
import "../interfaces/IUniswapV2Router01.sol";
 | 
			
		||||
import "../interfaces/IERC20Bridge.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
// solhint-disable space-after-comma
 | 
			
		||||
// solhint-disable not-rely-on-time
 | 
			
		||||
contract CryptoComBridge is
 | 
			
		||||
    IERC20Bridge,
 | 
			
		||||
    IWallet,
 | 
			
		||||
    DeploymentConstants
 | 
			
		||||
{
 | 
			
		||||
    struct TransferState {
 | 
			
		||||
        address[] path;
 | 
			
		||||
        address router;
 | 
			
		||||
        uint256 fromTokenBalance;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Callback for `IERC20Bridge`. Tries to buy `amount` of
 | 
			
		||||
    ///      `toTokenAddress` tokens by selling the entirety of the `fromTokenAddress`
 | 
			
		||||
    ///      token encoded in the bridge data.
 | 
			
		||||
    /// @param toTokenAddress The token to buy and transfer to `to`.
 | 
			
		||||
    /// @param from The maker (this contract).
 | 
			
		||||
    /// @param to The recipient of the bought tokens.
 | 
			
		||||
    /// @param amount Minimum amount of `toTokenAddress` tokens to buy.
 | 
			
		||||
    /// @param bridgeData The abi-encoded path of token addresses. Last element must be toTokenAddress
 | 
			
		||||
    /// @return success The magic bytes if successful.
 | 
			
		||||
    function bridgeTransferFrom(
 | 
			
		||||
        address toTokenAddress,
 | 
			
		||||
        address from,
 | 
			
		||||
        address to,
 | 
			
		||||
        uint256 amount,
 | 
			
		||||
        bytes calldata bridgeData
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        returns (bytes4 success)
 | 
			
		||||
    {
 | 
			
		||||
        // hold variables to get around stack depth limitations
 | 
			
		||||
        TransferState memory state;
 | 
			
		||||
 | 
			
		||||
        // Decode the bridge data to get the `fromTokenAddress`.
 | 
			
		||||
        // solhint-disable indent
 | 
			
		||||
        (state.path, state.router) = abi.decode(bridgeData, (address[], address));
 | 
			
		||||
        // solhint-enable indent
 | 
			
		||||
 | 
			
		||||
        require(state.path.length >= 2, "CryptoComBridge/PATH_LENGTH_MUST_BE_AT_LEAST_TWO");
 | 
			
		||||
        require(state.path[state.path.length - 1] == toTokenAddress, "CryptoComBridge/LAST_ELEMENT_OF_PATH_MUST_MATCH_OUTPUT_TOKEN");
 | 
			
		||||
 | 
			
		||||
        // Just transfer the tokens if they're the same.
 | 
			
		||||
        if (state.path[0] == toTokenAddress) {
 | 
			
		||||
            LibERC20Token.transfer(state.path[0], to, amount);
 | 
			
		||||
            return BRIDGE_SUCCESS;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Get our balance of `fromTokenAddress` token.
 | 
			
		||||
        state.fromTokenBalance = IERC20Token(state.path[0]).balanceOf(address(this));
 | 
			
		||||
 | 
			
		||||
        // Grant the SushiSwap router an allowance.
 | 
			
		||||
        LibERC20Token.approveIfBelow(
 | 
			
		||||
            state.path[0],
 | 
			
		||||
            state.router,
 | 
			
		||||
            state.fromTokenBalance
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        // Buy as much `toTokenAddress` token with `fromTokenAddress` token
 | 
			
		||||
        // and transfer it to `to`.
 | 
			
		||||
        IUniswapV2Router01 router = IUniswapV2Router01(state.router);
 | 
			
		||||
        uint[] memory amounts = router.swapExactTokensForTokens(
 | 
			
		||||
             // Sell all tokens we hold.
 | 
			
		||||
            state.fromTokenBalance,
 | 
			
		||||
             // Minimum buy amount.
 | 
			
		||||
            amount,
 | 
			
		||||
            // Convert `fromTokenAddress` to `toTokenAddress`.
 | 
			
		||||
            state.path,
 | 
			
		||||
            // Recipient is `to`.
 | 
			
		||||
            to,
 | 
			
		||||
            // Expires after this block.
 | 
			
		||||
            block.timestamp
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        emit ERC20BridgeTransfer(
 | 
			
		||||
            // input token
 | 
			
		||||
            state.path[0],
 | 
			
		||||
            // output token
 | 
			
		||||
            toTokenAddress,
 | 
			
		||||
            // input token amount
 | 
			
		||||
            state.fromTokenBalance,
 | 
			
		||||
            // output token amount
 | 
			
		||||
            amounts[amounts.length - 1],
 | 
			
		||||
            from,
 | 
			
		||||
            to
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        return BRIDGE_SUCCESS;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev `SignatureType.Wallet` callback, so that this bridge can be the maker
 | 
			
		||||
    ///      and sign for itself in orders. Always succeeds.
 | 
			
		||||
    /// @return magicValue Success bytes, always.
 | 
			
		||||
    function isValidSignature(
 | 
			
		||||
        bytes32,
 | 
			
		||||
        bytes calldata
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        view
 | 
			
		||||
        returns (bytes4 magicValue)
 | 
			
		||||
    {
 | 
			
		||||
        return LEGACY_WALLET_MAGIC_VALUE;
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-asset-proxy",
 | 
			
		||||
    "version": "3.6.6",
 | 
			
		||||
    "version": "3.6.7",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -38,7 +38,7 @@
 | 
			
		||||
        "docs:json": "typedoc --excludePrivate --excludeExternals --excludeProtected --ignoreCompilerErrors --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES"
 | 
			
		||||
    },
 | 
			
		||||
    "config": {
 | 
			
		||||
        "abis": "./test/generated-artifacts/@(BalancerBridge|BancorBridge|ChaiBridge|CreamBridge|CurveBridge|DODOBridge|DexForwarderBridge|DydxBridge|ERC1155Proxy|ERC20BridgeProxy|ERC20Proxy|ERC721Proxy|Eth2DaiBridge|IAssetData|IAssetProxy|IAssetProxyDispatcher|IAuthorizable|IBalancerPool|IBancorNetwork|IChai|ICurve|IDydx|IDydxBridge|IERC20Bridge|IEth2Dai|IGasToken|IKyberNetworkProxy|IMStable|IMooniswap|IShell|IUniswapExchange|IUniswapExchangeFactory|IUniswapV2Router01|KyberBridge|MStableBridge|MixinAssetProxyDispatcher|MixinAuthorizable|MixinGasToken|MooniswapBridge|MultiAssetProxy|Ownable|ShellBridge|SnowSwapBridge|StaticCallProxy|SushiSwapBridge|SwerveBridge|TestBancorBridge|TestChaiBridge|TestDexForwarderBridge|TestDydxBridge|TestERC20Bridge|TestEth2DaiBridge|TestKyberBridge|TestStaticCallTarget|TestUniswapBridge|TestUniswapV2Bridge|UniswapBridge|UniswapV2Bridge).json",
 | 
			
		||||
        "abis": "./test/generated-artifacts/@(BalancerBridge|BancorBridge|ChaiBridge|CreamBridge|CryptoComBridge|CurveBridge|DODOBridge|DexForwarderBridge|DydxBridge|ERC1155Proxy|ERC20BridgeProxy|ERC20Proxy|ERC721Proxy|Eth2DaiBridge|IAssetData|IAssetProxy|IAssetProxyDispatcher|IAuthorizable|IBalancerPool|IBancorNetwork|IChai|ICurve|IDydx|IDydxBridge|IERC20Bridge|IEth2Dai|IGasToken|IKyberNetworkProxy|IMStable|IMooniswap|IShell|IUniswapExchange|IUniswapExchangeFactory|IUniswapV2Router01|KyberBridge|MStableBridge|MixinAssetProxyDispatcher|MixinAuthorizable|MixinGasToken|MooniswapBridge|MultiAssetProxy|Ownable|ShellBridge|SnowSwapBridge|StaticCallProxy|SushiSwapBridge|SwerveBridge|TestBancorBridge|TestChaiBridge|TestDexForwarderBridge|TestDydxBridge|TestERC20Bridge|TestEth2DaiBridge|TestKyberBridge|TestStaticCallTarget|TestUniswapBridge|TestUniswapV2Bridge|UniswapBridge|UniswapV2Bridge).json",
 | 
			
		||||
        "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
 | 
			
		||||
    },
 | 
			
		||||
    "repository": {
 | 
			
		||||
@@ -51,13 +51,13 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contract-wrappers": "^13.10.1",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
@@ -79,17 +79,17 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-erc1155": "^2.1.15",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "@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/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "lodash": "^4.17.11"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -9,6 +9,7 @@ import * as BalancerBridge from '../generated-artifacts/BalancerBridge.json';
 | 
			
		||||
import * as BancorBridge from '../generated-artifacts/BancorBridge.json';
 | 
			
		||||
import * as ChaiBridge from '../generated-artifacts/ChaiBridge.json';
 | 
			
		||||
import * as CreamBridge from '../generated-artifacts/CreamBridge.json';
 | 
			
		||||
import * as CryptoComBridge from '../generated-artifacts/CryptoComBridge.json';
 | 
			
		||||
import * as CurveBridge from '../generated-artifacts/CurveBridge.json';
 | 
			
		||||
import * as DexForwarderBridge from '../generated-artifacts/DexForwarderBridge.json';
 | 
			
		||||
import * as DODOBridge from '../generated-artifacts/DODOBridge.json';
 | 
			
		||||
@@ -77,6 +78,7 @@ export const artifacts = {
 | 
			
		||||
    BancorBridge: BancorBridge as ContractArtifact,
 | 
			
		||||
    ChaiBridge: ChaiBridge as ContractArtifact,
 | 
			
		||||
    CreamBridge: CreamBridge as ContractArtifact,
 | 
			
		||||
    CryptoComBridge: CryptoComBridge as ContractArtifact,
 | 
			
		||||
    CurveBridge: CurveBridge as ContractArtifact,
 | 
			
		||||
    DODOBridge: DODOBridge as ContractArtifact,
 | 
			
		||||
    DexForwarderBridge: DexForwarderBridge as ContractArtifact,
 | 
			
		||||
 
 | 
			
		||||
@@ -7,6 +7,7 @@ export * from '../generated-wrappers/balancer_bridge';
 | 
			
		||||
export * from '../generated-wrappers/bancor_bridge';
 | 
			
		||||
export * from '../generated-wrappers/chai_bridge';
 | 
			
		||||
export * from '../generated-wrappers/cream_bridge';
 | 
			
		||||
export * from '../generated-wrappers/crypto_com_bridge';
 | 
			
		||||
export * from '../generated-wrappers/curve_bridge';
 | 
			
		||||
export * from '../generated-wrappers/d_o_d_o_bridge';
 | 
			
		||||
export * from '../generated-wrappers/dex_forwarder_bridge';
 | 
			
		||||
 
 | 
			
		||||
@@ -9,6 +9,7 @@ import * as BalancerBridge from '../test/generated-artifacts/BalancerBridge.json
 | 
			
		||||
import * as BancorBridge from '../test/generated-artifacts/BancorBridge.json';
 | 
			
		||||
import * as ChaiBridge from '../test/generated-artifacts/ChaiBridge.json';
 | 
			
		||||
import * as CreamBridge from '../test/generated-artifacts/CreamBridge.json';
 | 
			
		||||
import * as CryptoComBridge from '../test/generated-artifacts/CryptoComBridge.json';
 | 
			
		||||
import * as CurveBridge from '../test/generated-artifacts/CurveBridge.json';
 | 
			
		||||
import * as DexForwarderBridge from '../test/generated-artifacts/DexForwarderBridge.json';
 | 
			
		||||
import * as DODOBridge from '../test/generated-artifacts/DODOBridge.json';
 | 
			
		||||
@@ -77,6 +78,7 @@ export const artifacts = {
 | 
			
		||||
    BancorBridge: BancorBridge as ContractArtifact,
 | 
			
		||||
    ChaiBridge: ChaiBridge as ContractArtifact,
 | 
			
		||||
    CreamBridge: CreamBridge as ContractArtifact,
 | 
			
		||||
    CryptoComBridge: CryptoComBridge as ContractArtifact,
 | 
			
		||||
    CurveBridge: CurveBridge as ContractArtifact,
 | 
			
		||||
    DODOBridge: DODOBridge as ContractArtifact,
 | 
			
		||||
    DexForwarderBridge: DexForwarderBridge as ContractArtifact,
 | 
			
		||||
 
 | 
			
		||||
@@ -7,6 +7,7 @@ export * from '../test/generated-wrappers/balancer_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/bancor_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/chai_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/cream_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/crypto_com_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/curve_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/d_o_d_o_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/dex_forwarder_bridge';
 | 
			
		||||
 
 | 
			
		||||
@@ -7,6 +7,7 @@
 | 
			
		||||
        "generated-artifacts/BancorBridge.json",
 | 
			
		||||
        "generated-artifacts/ChaiBridge.json",
 | 
			
		||||
        "generated-artifacts/CreamBridge.json",
 | 
			
		||||
        "generated-artifacts/CryptoComBridge.json",
 | 
			
		||||
        "generated-artifacts/CurveBridge.json",
 | 
			
		||||
        "generated-artifacts/DODOBridge.json",
 | 
			
		||||
        "generated-artifacts/DexForwarderBridge.json",
 | 
			
		||||
@@ -65,6 +66,7 @@
 | 
			
		||||
        "test/generated-artifacts/BancorBridge.json",
 | 
			
		||||
        "test/generated-artifacts/ChaiBridge.json",
 | 
			
		||||
        "test/generated-artifacts/CreamBridge.json",
 | 
			
		||||
        "test/generated-artifacts/CryptoComBridge.json",
 | 
			
		||||
        "test/generated-artifacts/CurveBridge.json",
 | 
			
		||||
        "test/generated-artifacts/DODOBridge.json",
 | 
			
		||||
        "test/generated-artifacts/DexForwarderBridge.json",
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "1.1.15",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "1.1.14",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v1.1.15 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v1.1.14 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-broker",
 | 
			
		||||
    "version": "1.1.14",
 | 
			
		||||
    "version": "1.1.15",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -51,20 +51,20 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-exchange": "^3.2.15",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -84,11 +84,11 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/order-utils": "^10.4.8",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "3.1.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "3.1.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v3.1.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v3.1.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-coordinator",
 | 
			
		||||
    "version": "3.1.15",
 | 
			
		||||
    "version": "3.1.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,17 +52,17 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -82,17 +82,17 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/assert": "^3.0.17",
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contract-addresses": "^5.4.0",
 | 
			
		||||
        "@0x/contracts-exchange": "^3.2.15",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/json-schemas": "^5.3.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "@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/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "http-status-codes": "^1.3.2"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "1.3.14",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "1.3.13",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v1.3.14 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v1.3.13 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-dev-utils",
 | 
			
		||||
    "version": "1.3.13",
 | 
			
		||||
    "version": "1.3.14",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -41,18 +41,18 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/dev-utils",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/assert": "^3.0.17",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "ethers": "~4.0.4",
 | 
			
		||||
        "npm-run-all": "^4.1.2",
 | 
			
		||||
        "shx": "^0.2.2",
 | 
			
		||||
@@ -63,7 +63,7 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@types/node": "12.12.54"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "2.1.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "2.1.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v2.1.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v2.1.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-erc1155",
 | 
			
		||||
    "version": "2.1.15",
 | 
			
		||||
    "version": "2.1.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,15 +52,15 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -68,7 +68,7 @@
 | 
			
		||||
        "chai-as-promised": "^7.1.0",
 | 
			
		||||
        "chai-bignumber": "^3.0.0",
 | 
			
		||||
        "dirty-chai": "^2.0.1",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "make-promises-safe": "^1.1.0",
 | 
			
		||||
        "mocha": "^6.2.0",
 | 
			
		||||
        "npm-run-all": "^4.1.2",
 | 
			
		||||
@@ -80,10 +80,10 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.13",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "lodash": "^4.17.11"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "3.2.10",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "3.2.9",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v3.2.10 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v3.2.9 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-erc20",
 | 
			
		||||
    "version": "3.2.9",
 | 
			
		||||
    "version": "3.2.10",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -51,18 +51,18 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -70,7 +70,7 @@
 | 
			
		||||
        "chai-as-promised": "^7.1.0",
 | 
			
		||||
        "chai-bignumber": "^3.0.0",
 | 
			
		||||
        "dirty-chai": "^2.0.1",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "lodash": "^4.17.11",
 | 
			
		||||
        "make-promises-safe": "^1.1.0",
 | 
			
		||||
        "mocha": "^6.2.0",
 | 
			
		||||
@@ -82,7 +82,7 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "3.1.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "3.1.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v3.1.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v3.1.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-erc721",
 | 
			
		||||
    "version": "3.1.15",
 | 
			
		||||
    "version": "3.1.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,18 +52,18 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -71,7 +71,7 @@
 | 
			
		||||
        "chai-as-promised": "^7.1.0",
 | 
			
		||||
        "chai-bignumber": "^3.0.0",
 | 
			
		||||
        "dirty-chai": "^2.0.1",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "lodash": "^4.17.11",
 | 
			
		||||
        "make-promises-safe": "^1.1.0",
 | 
			
		||||
        "mocha": "^6.2.0",
 | 
			
		||||
@@ -84,7 +84,7 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "4.2.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "4.2.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v4.2.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v4.2.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-exchange-forwarder",
 | 
			
		||||
    "version": "4.2.15",
 | 
			
		||||
    "version": "4.2.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,25 +52,25 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-erc1155": "^2.1.15",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-exchange": "^3.2.15",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -90,9 +90,9 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "4.3.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "4.3.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v4.3.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v4.3.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-exchange-libs",
 | 
			
		||||
    "version": "4.3.15",
 | 
			
		||||
    "version": "4.3.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,14 +52,14 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/libs",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@0x/subproviders": "^6.1.9",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -80,14 +80,14 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "@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/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "3.2.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "3.2.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v3.2.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v3.2.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-exchange",
 | 
			
		||||
    "version": "3.2.15",
 | 
			
		||||
    "version": "3.2.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,21 +52,21 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/protocol",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-multisig": "^4.1.15",
 | 
			
		||||
        "@0x/contracts-staking": "^2.0.22",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -74,7 +74,7 @@
 | 
			
		||||
        "chai-as-promised": "^7.1.0",
 | 
			
		||||
        "chai-bignumber": "^3.0.0",
 | 
			
		||||
        "dirty-chai": "^2.0.1",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "ethereumjs-util": "^5.1.1",
 | 
			
		||||
        "js-combinatorics": "^0.5.3",
 | 
			
		||||
        "make-promises-safe": "^1.1.0",
 | 
			
		||||
@@ -88,13 +88,13 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-erc1155": "^2.1.15",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@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",
 | 
			
		||||
        "lodash": "^4.17.11"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "6.2.10",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "6.2.9",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v6.2.10 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v6.2.9 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-extensions",
 | 
			
		||||
    "version": "6.2.9",
 | 
			
		||||
    "version": "6.2.10",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -52,23 +52,23 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-exchange": "^3.2.15",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -90,10 +90,10 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.13",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -0,0 +1,39 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-zero-ex/contracts/test/TestFixinProtocolFees.sol";
 | 
			
		||||
import "@0x/contracts-zero-ex/contracts/src/external/FeeCollectorController.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract TestFixinProtocolFeesIntegration is TestFixinProtocolFees {
 | 
			
		||||
    constructor(
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IStaking staking,
 | 
			
		||||
        uint32 protocolFeeMultiplier
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        TestFixinProtocolFees(
 | 
			
		||||
            weth,
 | 
			
		||||
            staking,
 | 
			
		||||
            new FeeCollectorController(weth, staking),
 | 
			
		||||
            protocolFeeMultiplier
 | 
			
		||||
        )
 | 
			
		||||
    {}
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										110
									
								
								contracts/integrations/contracts/test/TestStaking.sol
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										110
									
								
								contracts/integrations/contracts/test/TestStaking.sol
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,110 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  Copyright 2019 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 ^0.5.9;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-staking/contracts/src/Staking.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract TestStaking is
 | 
			
		||||
    Staking
 | 
			
		||||
{
 | 
			
		||||
    IEtherToken public testWeth;
 | 
			
		||||
 | 
			
		||||
    struct TestPool {
 | 
			
		||||
        uint96 operatorStake;
 | 
			
		||||
        uint96 membersStake;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    mapping(bytes32 => TestPool) private _testPools;
 | 
			
		||||
 | 
			
		||||
    constructor(address exchangeAddress, IEtherToken _testWeth) public {
 | 
			
		||||
        testWeth = _testWeth;
 | 
			
		||||
 | 
			
		||||
        _addAuthorizedAddress(msg.sender);
 | 
			
		||||
        init();
 | 
			
		||||
        validExchanges[exchangeAddress] = true;
 | 
			
		||||
        _removeAuthorizedAddressAtIndex(msg.sender, 0);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function advanceEpoch()
 | 
			
		||||
        external
 | 
			
		||||
    {
 | 
			
		||||
        currentEpoch += 1;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Create a test pool.
 | 
			
		||||
    function createTestPool(
 | 
			
		||||
        bytes32 poolId,
 | 
			
		||||
        uint96 operatorStake,
 | 
			
		||||
        uint96 membersStake
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
    {
 | 
			
		||||
        TestPool storage pool = _testPools[poolId];
 | 
			
		||||
        pool.operatorStake = operatorStake;
 | 
			
		||||
        pool.membersStake = membersStake;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function getAggregatedStatsForCurrentEpoch()
 | 
			
		||||
        external
 | 
			
		||||
        view
 | 
			
		||||
        returns (IStructs.AggregatedStats memory)
 | 
			
		||||
    {
 | 
			
		||||
        return aggregatedStatsByEpoch[currentEpoch];
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Overridden to use test pools.
 | 
			
		||||
    function getTotalStakeDelegatedToPool(bytes32 poolId)
 | 
			
		||||
        public
 | 
			
		||||
        view
 | 
			
		||||
        returns (IStructs.StoredBalance memory balance)
 | 
			
		||||
    {
 | 
			
		||||
        TestPool memory pool = _testPools[poolId];
 | 
			
		||||
        uint96 stake = pool.operatorStake + pool.membersStake;
 | 
			
		||||
        return IStructs.StoredBalance({
 | 
			
		||||
            currentEpoch: currentEpoch.downcastToUint64(),
 | 
			
		||||
            currentEpochBalance: stake,
 | 
			
		||||
            nextEpochBalance: stake
 | 
			
		||||
        });
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Overridden to use test pools.
 | 
			
		||||
    function getStakeDelegatedToPoolByOwner(address, bytes32 poolId)
 | 
			
		||||
        public
 | 
			
		||||
        view
 | 
			
		||||
        returns (IStructs.StoredBalance memory balance)
 | 
			
		||||
    {
 | 
			
		||||
        TestPool memory pool = _testPools[poolId];
 | 
			
		||||
        return IStructs.StoredBalance({
 | 
			
		||||
            currentEpoch: currentEpoch.downcastToUint64(),
 | 
			
		||||
            currentEpochBalance: pool.operatorStake,
 | 
			
		||||
            nextEpochBalance: pool.operatorStake
 | 
			
		||||
        });
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function getWethContract()
 | 
			
		||||
        public
 | 
			
		||||
        view
 | 
			
		||||
        returns (IEtherToken wethContract)
 | 
			
		||||
    {
 | 
			
		||||
        return testWeth;
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
@@ -0,0 +1,24 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-zero-ex/contracts/test/TestWeth.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract TestWethIntegration is TestWeth {}
 | 
			
		||||
@@ -1,6 +1,7 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-integrations",
 | 
			
		||||
    "version": "2.7.10",
 | 
			
		||||
    "version": "2.7.11",
 | 
			
		||||
    "private": true,
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -38,7 +39,7 @@
 | 
			
		||||
    },
 | 
			
		||||
    "config": {
 | 
			
		||||
        "publicInterfaceContracts": "TestFramework",
 | 
			
		||||
        "abis": "./test/generated-artifacts/@(ChainlinkStopLimit|IChainlinkAggregator|TestChainlinkAggregator|TestContractWrapper|TestDydxUser|TestEth2Dai|TestEth2DaiBridge|TestFramework|TestMainnetAggregatorFills|TestSignatureValidationWallet|TestUniswapBridge|TestUniswapExchange|TestUniswapExchangeFactory).json",
 | 
			
		||||
        "abis": "./test/generated-artifacts/@(ChainlinkStopLimit|IChainlinkAggregator|TestChainlinkAggregator|TestContractWrapper|TestDydxUser|TestEth2Dai|TestEth2DaiBridge|TestFixinProtocolFeesIntegration|TestFramework|TestMainnetAggregatorFills|TestSignatureValidationWallet|TestStaking|TestUniswapBridge|TestUniswapExchange|TestUniswapExchangeFactory|TestWethIntegration).json",
 | 
			
		||||
        "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
 | 
			
		||||
    },
 | 
			
		||||
    "repository": {
 | 
			
		||||
@@ -51,24 +52,24 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/extensions",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contract-addresses": "^5.4.0",
 | 
			
		||||
        "@0x/contract-wrappers": "^13.10.1",
 | 
			
		||||
        "@0x/contracts-broker": "^1.1.14",
 | 
			
		||||
        "@0x/contracts-coordinator": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-exchange-forwarder": "^4.2.15",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-extensions": "^6.2.9",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@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/coordinator-server": "^1.0.5",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/migrations": "^6.5.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@0x/dev-utils": "^4.1.2",
 | 
			
		||||
        "@0x/migrations": "^6.5.2",
 | 
			
		||||
        "@0x/order-utils": "^10.4.8",
 | 
			
		||||
        "@0x/sol-compiler": "^4.4.0",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@azure/core-asynciterator-polyfill": "^1.0.0",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
@@ -91,22 +92,22 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/asset-swapper": "^5.2.0",
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-erc1155": "^2.1.15",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-erc721": "^3.1.15",
 | 
			
		||||
        "@0x/contracts-exchange": "^3.2.15",
 | 
			
		||||
        "@0x/contracts-multisig": "^4.1.15",
 | 
			
		||||
        "@0x/contracts-staking": "^2.0.22",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-zero-ex": "^0.10.0",
 | 
			
		||||
        "@0x/subproviders": "^6.1.9",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "@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/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "ethereumjs-util": "^6.2.0",
 | 
			
		||||
        "lodash": "^4.17.11"
 | 
			
		||||
    },
 | 
			
		||||
 
 | 
			
		||||
@@ -12,12 +12,15 @@ import * as TestContractWrapper from '../test/generated-artifacts/TestContractWr
 | 
			
		||||
import * as TestDydxUser from '../test/generated-artifacts/TestDydxUser.json';
 | 
			
		||||
import * as TestEth2Dai from '../test/generated-artifacts/TestEth2Dai.json';
 | 
			
		||||
import * as TestEth2DaiBridge from '../test/generated-artifacts/TestEth2DaiBridge.json';
 | 
			
		||||
import * as TestFixinProtocolFeesIntegration from '../test/generated-artifacts/TestFixinProtocolFeesIntegration.json';
 | 
			
		||||
import * as TestFramework from '../test/generated-artifacts/TestFramework.json';
 | 
			
		||||
import * as TestMainnetAggregatorFills from '../test/generated-artifacts/TestMainnetAggregatorFills.json';
 | 
			
		||||
import * as TestSignatureValidationWallet from '../test/generated-artifacts/TestSignatureValidationWallet.json';
 | 
			
		||||
import * as TestStaking from '../test/generated-artifacts/TestStaking.json';
 | 
			
		||||
import * as TestUniswapBridge from '../test/generated-artifacts/TestUniswapBridge.json';
 | 
			
		||||
import * as TestUniswapExchange from '../test/generated-artifacts/TestUniswapExchange.json';
 | 
			
		||||
import * as TestUniswapExchangeFactory from '../test/generated-artifacts/TestUniswapExchangeFactory.json';
 | 
			
		||||
import * as TestWethIntegration from '../test/generated-artifacts/TestWethIntegration.json';
 | 
			
		||||
export const artifacts = {
 | 
			
		||||
    ChainlinkStopLimit: ChainlinkStopLimit as ContractArtifact,
 | 
			
		||||
    IChainlinkAggregator: IChainlinkAggregator as ContractArtifact,
 | 
			
		||||
@@ -26,10 +29,13 @@ export const artifacts = {
 | 
			
		||||
    TestDydxUser: TestDydxUser as ContractArtifact,
 | 
			
		||||
    TestEth2Dai: TestEth2Dai as ContractArtifact,
 | 
			
		||||
    TestEth2DaiBridge: TestEth2DaiBridge as ContractArtifact,
 | 
			
		||||
    TestFixinProtocolFeesIntegration: TestFixinProtocolFeesIntegration as ContractArtifact,
 | 
			
		||||
    TestFramework: TestFramework as ContractArtifact,
 | 
			
		||||
    TestMainnetAggregatorFills: TestMainnetAggregatorFills as ContractArtifact,
 | 
			
		||||
    TestSignatureValidationWallet: TestSignatureValidationWallet as ContractArtifact,
 | 
			
		||||
    TestStaking: TestStaking as ContractArtifact,
 | 
			
		||||
    TestUniswapBridge: TestUniswapBridge as ContractArtifact,
 | 
			
		||||
    TestUniswapExchange: TestUniswapExchange as ContractArtifact,
 | 
			
		||||
    TestUniswapExchangeFactory: TestUniswapExchangeFactory as ContractArtifact,
 | 
			
		||||
    TestWethIntegration: TestWethIntegration as ContractArtifact,
 | 
			
		||||
};
 | 
			
		||||
 
 | 
			
		||||
@@ -6,7 +6,7 @@ import {
 | 
			
		||||
    artifacts as exchangeProxyArtifacts,
 | 
			
		||||
    IZeroExContract,
 | 
			
		||||
    LogMetadataTransformerContract,
 | 
			
		||||
    signCallData,
 | 
			
		||||
    Signature,
 | 
			
		||||
} from '@0x/contracts-zero-ex';
 | 
			
		||||
import { migrateOnceAsync } from '@0x/migrations';
 | 
			
		||||
import {
 | 
			
		||||
@@ -20,10 +20,19 @@ import {
 | 
			
		||||
    SignedExchangeProxyMetaTransaction,
 | 
			
		||||
} from '@0x/order-utils';
 | 
			
		||||
import { AssetProxyId, Order, SignedOrder } from '@0x/types';
 | 
			
		||||
import { BigNumber, hexUtils, ZeroExRevertErrors } from '@0x/utils';
 | 
			
		||||
import { BigNumber, hexUtils } from '@0x/utils';
 | 
			
		||||
import * as ethjs from 'ethereumjs-util';
 | 
			
		||||
 | 
			
		||||
const { MAX_UINT256, NULL_ADDRESS, NULL_BYTES, NULL_BYTES32, ZERO_AMOUNT } = constants;
 | 
			
		||||
const { MAX_UINT256, NULL_ADDRESS, NULL_BYTES, ZERO_AMOUNT } = constants;
 | 
			
		||||
 | 
			
		||||
function sigstruct(signature: string): Signature {
 | 
			
		||||
    return {
 | 
			
		||||
        v: parseInt(hexUtils.slice(signature, 0, 1), 16),
 | 
			
		||||
        signatureType: parseInt(hexUtils.slice(signature, 65, 66), 16),
 | 
			
		||||
        r: hexUtils.slice(signature, 1, 33),
 | 
			
		||||
        s: hexUtils.slice(signature, 33, 65),
 | 
			
		||||
    };
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
    const quoteSignerKey = hexUtils.random();
 | 
			
		||||
@@ -188,21 +197,6 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            .getABIEncodedTransactionData();
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function getSignedSwapData(swap: SwapInfo, signerKey?: string): string {
 | 
			
		||||
        return signCallData(
 | 
			
		||||
            zeroEx
 | 
			
		||||
                .transformERC20(
 | 
			
		||||
                    swap.inputTokenAddress,
 | 
			
		||||
                    swap.outputTokenAddress,
 | 
			
		||||
                    swap.inputTokenAmount,
 | 
			
		||||
                    swap.minOutputTokenAmount,
 | 
			
		||||
                    swap.transformations,
 | 
			
		||||
                )
 | 
			
		||||
                .getABIEncodedTransactionData(),
 | 
			
		||||
            signerKey ? signerKey : quoteSignerKey,
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    async function createMetaTransactionAsync(
 | 
			
		||||
        data: string,
 | 
			
		||||
        value: BigNumber,
 | 
			
		||||
@@ -232,15 +226,13 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    it('can call `transformERC20()` with signed calldata and no relayer fee', async () => {
 | 
			
		||||
    it('can call `transformERC20()` with calldata and no relayer fee', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync();
 | 
			
		||||
        const callDataHash = hexUtils.hash(getSwapData(swap));
 | 
			
		||||
        const signedSwapData = getSignedSwapData(swap);
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(signedSwapData, _protocolFee, 0);
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(getSwapData(swap), _protocolFee, 0);
 | 
			
		||||
        const relayerEthBalanceBefore = await env.web3Wrapper.getBalanceInWeiAsync(relayer);
 | 
			
		||||
        const receipt = await zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .executeMetaTransaction(mtx, sigstruct(mtx.signature))
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        const relayerEthRefund = relayerEthBalanceBefore
 | 
			
		||||
            .minus(await env.web3Wrapper.getBalanceInWeiAsync(relayer))
 | 
			
		||||
@@ -259,7 +251,6 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            [
 | 
			
		||||
                {
 | 
			
		||||
                    taker,
 | 
			
		||||
                    callDataHash,
 | 
			
		||||
                    sender: zeroEx.address,
 | 
			
		||||
                    data: NULL_BYTES,
 | 
			
		||||
                },
 | 
			
		||||
@@ -268,15 +259,13 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
        );
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    it('can call `transformERC20()` with signed calldata and a relayer fee', async () => {
 | 
			
		||||
    it('can call `transformERC20()` with calldata and a relayer fee', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync();
 | 
			
		||||
        const callDataHash = hexUtils.hash(getSwapData(swap));
 | 
			
		||||
        const signedSwapData = getSignedSwapData(swap);
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(signedSwapData, _protocolFee);
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(getSwapData(swap), _protocolFee);
 | 
			
		||||
        const relayerEthBalanceBefore = await env.web3Wrapper.getBalanceInWeiAsync(relayer);
 | 
			
		||||
        const receipt = await zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .executeMetaTransaction(mtx, sigstruct(mtx.signature))
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        const relayerEthRefund = relayerEthBalanceBefore
 | 
			
		||||
            .minus(await env.web3Wrapper.getBalanceInWeiAsync(relayer))
 | 
			
		||||
@@ -295,7 +284,6 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            [
 | 
			
		||||
                {
 | 
			
		||||
                    taker,
 | 
			
		||||
                    callDataHash,
 | 
			
		||||
                    sender: zeroEx.address,
 | 
			
		||||
                    data: NULL_BYTES,
 | 
			
		||||
                },
 | 
			
		||||
@@ -304,51 +292,13 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
        );
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    it('can call `transformERC20()` with wrongly signed calldata and a relayer fee', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync();
 | 
			
		||||
        const signedSwapData = getSignedSwapData(swap, hexUtils.random());
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(signedSwapData, _protocolFee);
 | 
			
		||||
        const relayerEthBalanceBefore = await env.web3Wrapper.getBalanceInWeiAsync(relayer);
 | 
			
		||||
        const receipt = await zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        const relayerEthRefund = relayerEthBalanceBefore
 | 
			
		||||
            .minus(await env.web3Wrapper.getBalanceInWeiAsync(relayer))
 | 
			
		||||
            .minus(GAS_PRICE.times(receipt.gasUsed));
 | 
			
		||||
        // Ensure the relayer got back the unused protocol fees.
 | 
			
		||||
        expect(relayerEthRefund).to.bignumber.eq(protocolFee.times(GAS_PRICE));
 | 
			
		||||
        // Ensure the relayer got paid mtx fees.
 | 
			
		||||
        expect(await feeToken.balanceOf(relayer).callAsync()).to.bignumber.eq(mtx.feeAmount);
 | 
			
		||||
        // Ensure the taker got output tokens.
 | 
			
		||||
        expect(await outputToken.balanceOf(taker).callAsync()).to.bignumber.eq(swap.minOutputTokenAmount);
 | 
			
		||||
        // Ensure the maker got input tokens.
 | 
			
		||||
        expect(await inputToken.balanceOf(maker).callAsync()).to.bignumber.eq(swap.inputTokenAmount);
 | 
			
		||||
        // Check events.
 | 
			
		||||
        verifyEventsFromLogs(
 | 
			
		||||
            receipt.logs,
 | 
			
		||||
            [
 | 
			
		||||
                {
 | 
			
		||||
                    taker,
 | 
			
		||||
                    // Only signed calldata should have a nonzero hash.
 | 
			
		||||
                    callDataHash: NULL_BYTES32,
 | 
			
		||||
                    sender: zeroEx.address,
 | 
			
		||||
                    data: NULL_BYTES,
 | 
			
		||||
                },
 | 
			
		||||
            ],
 | 
			
		||||
            'TransformerMetadata',
 | 
			
		||||
        );
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    it('`transformERC20()` can fill RFQT order if calldata is signed', async () => {
 | 
			
		||||
    it('`transformERC20()` can fill RFQT order', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync({}, true);
 | 
			
		||||
        const callDataHash = hexUtils.hash(getSwapData(swap));
 | 
			
		||||
        const signedSwapData = getSignedSwapData(swap);
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(signedSwapData, _protocolFee, 0);
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(getSwapData(swap), _protocolFee, 0);
 | 
			
		||||
        const relayerEthBalanceBefore = await env.web3Wrapper.getBalanceInWeiAsync(relayer);
 | 
			
		||||
        const receipt = await zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .executeMetaTransaction(mtx, sigstruct(mtx.signature))
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        const relayerEthRefund = relayerEthBalanceBefore
 | 
			
		||||
            .minus(await env.web3Wrapper.getBalanceInWeiAsync(relayer))
 | 
			
		||||
@@ -367,7 +317,6 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            [
 | 
			
		||||
                {
 | 
			
		||||
                    taker,
 | 
			
		||||
                    callDataHash,
 | 
			
		||||
                    sender: zeroEx.address,
 | 
			
		||||
                    data: NULL_BYTES,
 | 
			
		||||
                },
 | 
			
		||||
@@ -376,16 +325,15 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
        );
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    it('`transformERC20()` can fill RFQT order if calldata is not signed but no quote signer configured', async () => {
 | 
			
		||||
    it('`transformERC20()` can fill RFQT order if quote signer configured', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync({}, true);
 | 
			
		||||
        const callData = getSwapData(swap);
 | 
			
		||||
        const callDataHash = hexUtils.hash(callData);
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(callData, _protocolFee, 0);
 | 
			
		||||
        const relayerEthBalanceBefore = await env.web3Wrapper.getBalanceInWeiAsync(relayer);
 | 
			
		||||
        await zeroEx.setQuoteSigner(NULL_ADDRESS).awaitTransactionSuccessAsync({ from: owner });
 | 
			
		||||
        const receipt = await zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .executeMetaTransaction(mtx, sigstruct(mtx.signature))
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        const relayerEthRefund = relayerEthBalanceBefore
 | 
			
		||||
            .minus(await env.web3Wrapper.getBalanceInWeiAsync(relayer))
 | 
			
		||||
@@ -404,7 +352,6 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            [
 | 
			
		||||
                {
 | 
			
		||||
                    taker,
 | 
			
		||||
                    callDataHash,
 | 
			
		||||
                    sender: zeroEx.address,
 | 
			
		||||
                    data: NULL_BYTES,
 | 
			
		||||
                },
 | 
			
		||||
@@ -412,15 +359,4 @@ blockchainTests.resets('exchange proxy - meta-transactions', env => {
 | 
			
		||||
            'TransformerMetadata',
 | 
			
		||||
        );
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    it('`transformERC20()` cannot fill RFQT order if calldata is not signed', async () => {
 | 
			
		||||
        const swap = await generateSwapAsync({}, true);
 | 
			
		||||
        const callData = getSwapData(swap);
 | 
			
		||||
        const _protocolFee = protocolFee.times(GAS_PRICE).times(swap.orders.length + 1); // Pay a little more fee than needed.
 | 
			
		||||
        const mtx = await createMetaTransactionAsync(callData, _protocolFee, 0);
 | 
			
		||||
        const tx = zeroEx
 | 
			
		||||
            .executeMetaTransaction(mtx, mtx.signature)
 | 
			
		||||
            .awaitTransactionSuccessAsync({ from: relayer, value: mtx.value, gasPrice: GAS_PRICE });
 | 
			
		||||
        return expect(tx).to.revertWith(new ZeroExRevertErrors.MetaTransactions.MetaTransactionCallFailedError());
 | 
			
		||||
    });
 | 
			
		||||
});
 | 
			
		||||
 
 | 
			
		||||
@@ -10,9 +10,12 @@ export * from '../test/generated-wrappers/test_contract_wrapper';
 | 
			
		||||
export * from '../test/generated-wrappers/test_dydx_user';
 | 
			
		||||
export * from '../test/generated-wrappers/test_eth2_dai';
 | 
			
		||||
export * from '../test/generated-wrappers/test_eth2_dai_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/test_fixin_protocol_fees_integration';
 | 
			
		||||
export * from '../test/generated-wrappers/test_framework';
 | 
			
		||||
export * from '../test/generated-wrappers/test_mainnet_aggregator_fills';
 | 
			
		||||
export * from '../test/generated-wrappers/test_signature_validation_wallet';
 | 
			
		||||
export * from '../test/generated-wrappers/test_staking';
 | 
			
		||||
export * from '../test/generated-wrappers/test_uniswap_bridge';
 | 
			
		||||
export * from '../test/generated-wrappers/test_uniswap_exchange';
 | 
			
		||||
export * from '../test/generated-wrappers/test_uniswap_exchange_factory';
 | 
			
		||||
export * from '../test/generated-wrappers/test_weth_integration';
 | 
			
		||||
 
 | 
			
		||||
@@ -0,0 +1,85 @@
 | 
			
		||||
import { blockchainTests, constants, expect } from '@0x/contracts-test-utils';
 | 
			
		||||
import { BigNumber, hexUtils } from '@0x/utils';
 | 
			
		||||
 | 
			
		||||
import { artifacts } from '../artifacts';
 | 
			
		||||
import {
 | 
			
		||||
    TestFixinProtocolFeesIntegrationContract,
 | 
			
		||||
    TestStakingContract,
 | 
			
		||||
    TestWethIntegrationContract,
 | 
			
		||||
} from '../wrappers';
 | 
			
		||||
 | 
			
		||||
blockchainTests.resets('ProtocolFeeIntegration', env => {
 | 
			
		||||
    const FEE_MULTIPLIER = 70e3;
 | 
			
		||||
    let owner: string;
 | 
			
		||||
    let taker: string;
 | 
			
		||||
    let protocolFees: TestFixinProtocolFeesIntegrationContract;
 | 
			
		||||
    let staking: TestStakingContract;
 | 
			
		||||
    let weth: TestWethIntegrationContract;
 | 
			
		||||
    let singleFeeAmount: BigNumber;
 | 
			
		||||
 | 
			
		||||
    before(async () => {
 | 
			
		||||
        [owner, taker] = await env.getAccountAddressesAsync();
 | 
			
		||||
        weth = await TestWethIntegrationContract.deployFrom0xArtifactAsync(
 | 
			
		||||
            artifacts.TestWethIntegration,
 | 
			
		||||
            env.provider,
 | 
			
		||||
            env.txDefaults,
 | 
			
		||||
            artifacts,
 | 
			
		||||
        );
 | 
			
		||||
        staking = await TestStakingContract.deployFrom0xArtifactAsync(
 | 
			
		||||
            artifacts.TestStaking,
 | 
			
		||||
            env.provider,
 | 
			
		||||
            env.txDefaults,
 | 
			
		||||
            artifacts,
 | 
			
		||||
            constants.NULL_ADDRESS, // exchange address, which we don't know yet
 | 
			
		||||
            weth.address,
 | 
			
		||||
        );
 | 
			
		||||
        protocolFees = await TestFixinProtocolFeesIntegrationContract.deployFrom0xArtifactAsync(
 | 
			
		||||
            artifacts.TestFixinProtocolFeesIntegration,
 | 
			
		||||
            env.provider,
 | 
			
		||||
            { ...env.txDefaults, from: taker },
 | 
			
		||||
            artifacts,
 | 
			
		||||
            weth.address,
 | 
			
		||||
            staking.address,
 | 
			
		||||
            FEE_MULTIPLIER,
 | 
			
		||||
        );
 | 
			
		||||
        await staking.addAuthorizedAddress(owner).awaitTransactionSuccessAsync();
 | 
			
		||||
        await staking.addExchangeAddress(protocolFees.address).awaitTransactionSuccessAsync({ from: owner });
 | 
			
		||||
        await weth.mint(taker, constants.ONE_ETHER).awaitTransactionSuccessAsync();
 | 
			
		||||
        await weth.approve(protocolFees.address, constants.ONE_ETHER).awaitTransactionSuccessAsync({ from: taker });
 | 
			
		||||
 | 
			
		||||
        singleFeeAmount = await protocolFees.getSingleProtocolFee().callAsync();
 | 
			
		||||
    });
 | 
			
		||||
 | 
			
		||||
    describe('fee collection integration', () => {
 | 
			
		||||
        const pool0 = constants.NULL_BYTES32;
 | 
			
		||||
        const poolId = hexUtils.random();
 | 
			
		||||
 | 
			
		||||
        it('should collect fees for pool 0', async () => {
 | 
			
		||||
            await protocolFees.collectProtocolFee(pool0).awaitTransactionSuccessAsync({ value: singleFeeAmount });
 | 
			
		||||
            await protocolFees.transferFeesForPool(pool0).awaitTransactionSuccessAsync();
 | 
			
		||||
 | 
			
		||||
            // Fees in the pool bytes32(0) don't get attributed to a pool.
 | 
			
		||||
            await expect(
 | 
			
		||||
                (await staking.getStakingPoolStatsThisEpoch(pool0).callAsync()).feesCollected,
 | 
			
		||||
            ).to.bignumber.equal(constants.ZERO_AMOUNT);
 | 
			
		||||
 | 
			
		||||
            // Expected amount is singleFeeAmount - 1 because we leave 1 wei of WETH behind for future gas savings.
 | 
			
		||||
            return expect(await weth.balanceOf(staking.address).callAsync()).to.bignumber.equal(
 | 
			
		||||
                singleFeeAmount.minus(1),
 | 
			
		||||
            );
 | 
			
		||||
        });
 | 
			
		||||
 | 
			
		||||
        it('should collect fees for non-zero pool', async () => {
 | 
			
		||||
            const eth100 = constants.ONE_ETHER.multipliedBy(100);
 | 
			
		||||
            await staking.createTestPool(poolId, eth100, eth100).awaitTransactionSuccessAsync();
 | 
			
		||||
 | 
			
		||||
            await protocolFees.collectProtocolFee(poolId).awaitTransactionSuccessAsync({ value: singleFeeAmount });
 | 
			
		||||
            await protocolFees.transferFeesForPool(poolId).awaitTransactionSuccessAsync();
 | 
			
		||||
 | 
			
		||||
            // Expected amount is singleFeeAmount - 1 because we leave 1 wei of WETH behind for future gas savings.
 | 
			
		||||
            return expect(
 | 
			
		||||
                (await staking.getStakingPoolStatsThisEpoch(poolId).callAsync()).feesCollected,
 | 
			
		||||
            ).to.bignumber.equal(singleFeeAmount.minus(1));
 | 
			
		||||
        });
 | 
			
		||||
    });
 | 
			
		||||
});
 | 
			
		||||
@@ -11,11 +11,14 @@
 | 
			
		||||
        "test/generated-artifacts/TestDydxUser.json",
 | 
			
		||||
        "test/generated-artifacts/TestEth2Dai.json",
 | 
			
		||||
        "test/generated-artifacts/TestEth2DaiBridge.json",
 | 
			
		||||
        "test/generated-artifacts/TestFixinProtocolFeesIntegration.json",
 | 
			
		||||
        "test/generated-artifacts/TestFramework.json",
 | 
			
		||||
        "test/generated-artifacts/TestMainnetAggregatorFills.json",
 | 
			
		||||
        "test/generated-artifacts/TestSignatureValidationWallet.json",
 | 
			
		||||
        "test/generated-artifacts/TestStaking.json",
 | 
			
		||||
        "test/generated-artifacts/TestUniswapBridge.json",
 | 
			
		||||
        "test/generated-artifacts/TestUniswapExchange.json",
 | 
			
		||||
        "test/generated-artifacts/TestUniswapExchangeFactory.json"
 | 
			
		||||
        "test/generated-artifacts/TestUniswapExchangeFactory.json",
 | 
			
		||||
        "test/generated-artifacts/TestWethIntegration.json"
 | 
			
		||||
    ]
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "4.1.16",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "4.1.15",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v4.1.16 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v4.1.15 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-multisig",
 | 
			
		||||
    "version": "4.1.15",
 | 
			
		||||
    "version": "4.1.16",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -49,18 +49,18 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/multisig",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
@@ -78,9 +78,9 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "2.0.23",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "2.0.22",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v2.0.23 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v2.0.22 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -2,7 +2,7 @@
 | 
			
		||||
    "artifactsDir": "./test/generated-artifacts",
 | 
			
		||||
    "contractsDir": "./contracts",
 | 
			
		||||
    "useDockerisedSolc": false,
 | 
			
		||||
    "isOfflineMode": true,
 | 
			
		||||
    "isOfflineMode": false,
 | 
			
		||||
    "shouldSaveStandardInput": true,
 | 
			
		||||
    "compilerSettings": {
 | 
			
		||||
        "evmVersion": "istanbul",
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-staking",
 | 
			
		||||
    "version": "2.0.22",
 | 
			
		||||
    "version": "2.0.23",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -53,20 +53,20 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/tokens",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-asset-proxy": "^3.6.6",
 | 
			
		||||
        "@0x/contracts-dev-utils": "^1.3.13",
 | 
			
		||||
        "@0x/contracts-erc20": "^3.2.9",
 | 
			
		||||
        "@0x/contracts-exchange-libs": "^4.3.15",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-utils": "^4.6.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/ts-doc-gen": "^0.0.28",
 | 
			
		||||
        "@0x/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/node": "12.12.54",
 | 
			
		||||
        "chai": "^4.0.1",
 | 
			
		||||
@@ -87,11 +87,11 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.13",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "ethereumjs-util": "^5.1.1"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "5.3.13",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1605763885,
 | 
			
		||||
        "version": "5.3.12",
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v5.3.13 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v5.3.12 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-test-utils",
 | 
			
		||||
    "version": "5.3.12",
 | 
			
		||||
    "version": "5.3.13",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -34,7 +34,7 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/test-utils",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.4.0",
 | 
			
		||||
        "@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": "^3.0.17",
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/contract-addresses": "^5.4.0",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/json-schemas": "^5.3.3",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-coverage": "^4.0.18",
 | 
			
		||||
        "@0x/sol-profiler": "^4.1.8",
 | 
			
		||||
        "@0x/sol-trace": "^3.0.18",
 | 
			
		||||
        "@0x/subproviders": "^6.1.9",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@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/types": "^3.3.1",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/bn.js": "^4.11.0",
 | 
			
		||||
        "@types/js-combinatorics": "^0.5.29",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
@@ -67,7 +67,7 @@
 | 
			
		||||
        "chai-bignumber": "^3.0.0",
 | 
			
		||||
        "decimal.js": "^10.2.0",
 | 
			
		||||
        "dirty-chai": "^2.0.1",
 | 
			
		||||
        "ethereum-types": "^3.3.3",
 | 
			
		||||
        "ethereum-types": "^3.4.0",
 | 
			
		||||
        "ethereumjs-util": "^5.1.1",
 | 
			
		||||
        "ethers": "~4.0.4",
 | 
			
		||||
        "js-combinatorics": "^0.5.3",
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,13 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "timestamp": 1606961263,
 | 
			
		||||
        "version": "4.6.1",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Dependencies updated"
 | 
			
		||||
            }
 | 
			
		||||
        ]
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "version": "4.6.0",
 | 
			
		||||
        "changes": [
 | 
			
		||||
 
 | 
			
		||||
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v4.6.1 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Dependencies updated
 | 
			
		||||
 | 
			
		||||
## v4.6.0 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Add `uint128` functions to `LibSafeMathV06` (#27)
 | 
			
		||||
 
 | 
			
		||||
@@ -1,6 +1,6 @@
 | 
			
		||||
{
 | 
			
		||||
    "name": "@0x/contracts-utils",
 | 
			
		||||
    "version": "4.6.0",
 | 
			
		||||
    "version": "4.6.1",
 | 
			
		||||
    "engines": {
 | 
			
		||||
        "node": ">=6.12"
 | 
			
		||||
    },
 | 
			
		||||
@@ -50,15 +50,15 @@
 | 
			
		||||
    },
 | 
			
		||||
    "homepage": "https://github.com/0xProject/protocol/tree/main/contracts/utils",
 | 
			
		||||
    "devDependencies": {
 | 
			
		||||
        "@0x/abi-gen": "^5.4.7",
 | 
			
		||||
        "@0x/contracts-gen": "2.0.18",
 | 
			
		||||
        "@0x/contracts-test-utils": "^5.3.12",
 | 
			
		||||
        "@0x/dev-utils": "^4.0.1",
 | 
			
		||||
        "@0x/order-utils": "^10.4.7",
 | 
			
		||||
        "@0x/sol-compiler": "^4.2.7",
 | 
			
		||||
        "@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/tslint-config": "^4.1.3",
 | 
			
		||||
        "@0x/types": "^3.3.0",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.8",
 | 
			
		||||
        "@0x/types": "^3.3.1",
 | 
			
		||||
        "@0x/web3-wrapper": "^7.2.10",
 | 
			
		||||
        "@types/bn.js": "^4.11.0",
 | 
			
		||||
        "@types/lodash": "4.14.104",
 | 
			
		||||
        "@types/mocha": "^5.2.7",
 | 
			
		||||
@@ -79,11 +79,11 @@
 | 
			
		||||
        "typescript": "3.0.1"
 | 
			
		||||
    },
 | 
			
		||||
    "dependencies": {
 | 
			
		||||
        "@0x/base-contract": "^6.2.11",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.5",
 | 
			
		||||
        "@0x/utils": "^6.1.0",
 | 
			
		||||
        "@0x/base-contract": "^6.2.13",
 | 
			
		||||
        "@0x/typescript-typings": "^5.1.6",
 | 
			
		||||
        "@0x/utils": "^6.1.1",
 | 
			
		||||
        "bn.js": "^4.11.8",
 | 
			
		||||
        "ethereum-types": "^3.3.3"
 | 
			
		||||
        "ethereum-types": "^3.4.0"
 | 
			
		||||
    },
 | 
			
		||||
    "publishConfig": {
 | 
			
		||||
        "access": "public"
 | 
			
		||||
 
 | 
			
		||||
@@ -1,4 +1,70 @@
 | 
			
		||||
[
 | 
			
		||||
    {
 | 
			
		||||
        "version": "0.11.0",
 | 
			
		||||
        "changes": [
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Turn `LibTokenSpender` into `FixinTokenSpender`",
 | 
			
		||||
                "pr": 38
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Use bloom filters to check if a token is greedy and do not optimistically fall through transferFrom() if so",
 | 
			
		||||
                "pr": 38
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Revert to original proxy implementation",
 | 
			
		||||
                "pr": 38
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Fix incorrect cancel order event param",
 | 
			
		||||
                "pr": 38
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Add a gas limit to first `LibTokenSpender` and `UniswapFeature` transfer",
 | 
			
		||||
                "pr": 38
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Convert metatransactions to use `LibSignature`",
 | 
			
		||||
                "pr": 31
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Add metatransaction support for limit orders",
 | 
			
		||||
                "pr": 44
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Require RFQ orders to specify a transaction origin, and allow approved alternative addresses",
 | 
			
		||||
                "pr": 47
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Do not try to pull all tokens if selling all ETH in `TransformERC20Feature`",
 | 
			
		||||
                "pr": 46
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Remove protocol fees from all RFQ orders and add `taker` field to RFQ orders",
 | 
			
		||||
                "pr": 45
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Fix getRfqOrderInfo() to return status INVALID when missing txOrigin",
 | 
			
		||||
                "pr": 50
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Remove calldata signing functionality",
 | 
			
		||||
                "pr": 51
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Add a permissionless transformer deployer",
 | 
			
		||||
                "pr": 55
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Add Crypto.com to `BridgeAdapter`",
 | 
			
		||||
                "pr": 43
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Use `FeeCollectorController` contract for deploying `FeeCollector`s",
 | 
			
		||||
                "pr": 59
 | 
			
		||||
            }
 | 
			
		||||
        ],
 | 
			
		||||
        "timestamp": 1606961263
 | 
			
		||||
    },
 | 
			
		||||
    {
 | 
			
		||||
        "version": "0.10.0",
 | 
			
		||||
        "changes": [
 | 
			
		||||
@@ -9,6 +75,10 @@
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Use new `checkAllowance` flag in LiquidityProviderFeature, TransformERC20Feature, and MetaTransactionsFeature",
 | 
			
		||||
                "pr": 39
 | 
			
		||||
            },
 | 
			
		||||
            {
 | 
			
		||||
                "note": "Add native orders features",
 | 
			
		||||
                "pr": 27
 | 
			
		||||
            }
 | 
			
		||||
        ],
 | 
			
		||||
        "timestamp": 1605763885
 | 
			
		||||
 
 | 
			
		||||
@@ -5,10 +5,29 @@ Edit the package's CHANGELOG.json file only.
 | 
			
		||||
 | 
			
		||||
CHANGELOG
 | 
			
		||||
 | 
			
		||||
## v0.11.0 - _December 3, 2020_
 | 
			
		||||
 | 
			
		||||
    * Turn `LibTokenSpender` into `FixinTokenSpender` (#38)
 | 
			
		||||
    * Use bloom filters to check if a token is greedy and do not optimistically fall through transferFrom() if so (#38)
 | 
			
		||||
    * Revert to original proxy implementation (#38)
 | 
			
		||||
    * Fix incorrect cancel order event param (#38)
 | 
			
		||||
    * Add a gas limit to first `LibTokenSpender` and `UniswapFeature` transfer (#38)
 | 
			
		||||
    * Convert metatransactions to use `LibSignature` (#31)
 | 
			
		||||
    * Add metatransaction support for limit orders (#44)
 | 
			
		||||
    * Require RFQ orders to specify a transaction origin, and allow approved alternative addresses (#47)
 | 
			
		||||
    * Do not try to pull all tokens if selling all ETH in `TransformERC20Feature` (#46)
 | 
			
		||||
    * Remove protocol fees from all RFQ orders and add `taker` field to RFQ orders (#45)
 | 
			
		||||
    * Fix getRfqOrderInfo() to return status INVALID when missing txOrigin (#50)
 | 
			
		||||
    * Remove calldata signing functionality (#51)
 | 
			
		||||
    * Add a permissionless transformer deployer (#55)
 | 
			
		||||
    * Add Crypto.com to `BridgeAdapter` (#43)
 | 
			
		||||
    * Use `FeeCollectorController` contract for deploying `FeeCollector`s (#59)
 | 
			
		||||
 | 
			
		||||
## v0.10.0 - _November 19, 2020_
 | 
			
		||||
 | 
			
		||||
    * Add `checkAllowance` flag to LibTokenSpender.spendERC20Tokens (#39)
 | 
			
		||||
    * Use new `checkAllowance` flag in LiquidityProviderFeature, TransformERC20Feature, and MetaTransactionsFeature (#39)
 | 
			
		||||
    * Add native orders features (#27)
 | 
			
		||||
 | 
			
		||||
## v0.9.0 - _November 13, 2020_
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -4,6 +4,7 @@
 | 
			
		||||
    "useDockerisedSolc": false,
 | 
			
		||||
    "isOfflineMode": false,
 | 
			
		||||
    "shouldSaveStandardInput": true,
 | 
			
		||||
    "shouldCompileIndependently": true,
 | 
			
		||||
    "compilerSettings": {
 | 
			
		||||
        "evmVersion": "istanbul",
 | 
			
		||||
        "optimizer": {
 | 
			
		||||
 
 | 
			
		||||
@@ -19,12 +19,19 @@
 | 
			
		||||
pragma solidity ^0.6.5;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-utils/contracts/src/v06/LibBytesV06.sol";
 | 
			
		||||
import "./migrations/LibBootstrap.sol";
 | 
			
		||||
import "./features/BootstrapFeature.sol";
 | 
			
		||||
import "./storage/LibProxyStorage.sol";
 | 
			
		||||
import "./errors/LibProxyRichErrors.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev An extensible proxy contract that serves as a universal entry point for
 | 
			
		||||
///      interacting with the 0x protocol.
 | 
			
		||||
contract ZeroEx {
 | 
			
		||||
    // solhint-disable separate-by-one-line-in-contract,indent,var-name-mixedcase
 | 
			
		||||
    using LibBytesV06 for bytes;
 | 
			
		||||
 | 
			
		||||
    /// @dev Construct this contract and register the `BootstrapFeature` feature.
 | 
			
		||||
    ///      After constructing this contract, `bootstrap()` should be called
 | 
			
		||||
    ///      by `bootstrap()` to seed the initial feature set.
 | 
			
		||||
@@ -37,55 +44,48 @@ contract ZeroEx {
 | 
			
		||||
            address(bootstrap);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
    // solhint-disable state-visibility
 | 
			
		||||
 | 
			
		||||
    /// @dev Forwards calls to the appropriate implementation contract.
 | 
			
		||||
    fallback() external payable {
 | 
			
		||||
        // This is used in assembly below as impls_slot.
 | 
			
		||||
        mapping(bytes4 => address) storage impls =
 | 
			
		||||
            LibProxyStorage.getStorage().impls;
 | 
			
		||||
 | 
			
		||||
        assembly {
 | 
			
		||||
            let cdlen := calldatasize()
 | 
			
		||||
 | 
			
		||||
            // equivalent of receive() external payable {}
 | 
			
		||||
            if iszero(cdlen) {
 | 
			
		||||
                return(0, 0)
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Store at 0x40, to leave 0x00-0x3F for slot calculation below.
 | 
			
		||||
            calldatacopy(0x40, 0, cdlen)
 | 
			
		||||
            let selector := and(mload(0x40), 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)
 | 
			
		||||
 | 
			
		||||
            // Slot for impls[selector] is keccak256(selector . impls_slot).
 | 
			
		||||
            mstore(0, selector)
 | 
			
		||||
            mstore(0x20, impls_slot)
 | 
			
		||||
            let slot := keccak256(0, 0x40)
 | 
			
		||||
 | 
			
		||||
            let delegate := sload(slot)
 | 
			
		||||
            if iszero(delegate) {
 | 
			
		||||
                // Revert with:
 | 
			
		||||
                // abi.encodeWithSelector(
 | 
			
		||||
                //   bytes4(keccak256("NotImplementedError(bytes4)")),
 | 
			
		||||
                //   selector)
 | 
			
		||||
                mstore(0, 0x734e6e1c00000000000000000000000000000000000000000000000000000000)
 | 
			
		||||
                mstore(4, selector)
 | 
			
		||||
                revert(0, 0x24)
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            let success := delegatecall(
 | 
			
		||||
                gas(),
 | 
			
		||||
                delegate,
 | 
			
		||||
                0x40, cdlen,
 | 
			
		||||
                0, 0
 | 
			
		||||
            )
 | 
			
		||||
            let rdlen := returndatasize()
 | 
			
		||||
            returndatacopy(0, 0, rdlen)
 | 
			
		||||
            if success {
 | 
			
		||||
                return(0, rdlen)
 | 
			
		||||
            }
 | 
			
		||||
            revert(0, rdlen)
 | 
			
		||||
        bytes4 selector = msg.data.readBytes4(0);
 | 
			
		||||
        address impl = getFunctionImplementation(selector);
 | 
			
		||||
        if (impl == address(0)) {
 | 
			
		||||
            _revertWithData(LibProxyRichErrors.NotImplementedError(selector));
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        (bool success, bytes memory resultData) = impl.delegatecall(msg.data);
 | 
			
		||||
        if (!success) {
 | 
			
		||||
            _revertWithData(resultData);
 | 
			
		||||
        }
 | 
			
		||||
        _returnWithData(resultData);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Fallback for just receiving ether.
 | 
			
		||||
    receive() external payable {}
 | 
			
		||||
 | 
			
		||||
    // solhint-enable state-visibility
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the implementation contract of a registered function.
 | 
			
		||||
    /// @param selector The function selector.
 | 
			
		||||
    /// @return impl The implementation contract address.
 | 
			
		||||
    function getFunctionImplementation(bytes4 selector)
 | 
			
		||||
        public
 | 
			
		||||
        view
 | 
			
		||||
        returns (address impl)
 | 
			
		||||
    {
 | 
			
		||||
        return LibProxyStorage.getStorage().impls[selector];
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Revert with arbitrary bytes.
 | 
			
		||||
    /// @param data Revert data.
 | 
			
		||||
    function _revertWithData(bytes memory data) private pure {
 | 
			
		||||
        assembly { revert(add(data, 32), mload(data)) }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Return with arbitrary bytes.
 | 
			
		||||
    /// @param data Return data.
 | 
			
		||||
    function _returnWithData(bytes memory data) private pure {
 | 
			
		||||
        assembly { return(add(data, 32), mload(data)) }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
							
								
								
									
										91
									
								
								contracts/zero-ex/contracts/src/ZeroExOptimized.sol
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										91
									
								
								contracts/zero-ex/contracts/src/ZeroExOptimized.sol
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,91 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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 "./features/BootstrapFeature.sol";
 | 
			
		||||
import "./storage/LibProxyStorage.sol";
 | 
			
		||||
 | 
			
		||||
/// @dev An extensible proxy contract that serves as a universal entry point for
 | 
			
		||||
///      interacting with the 0x protocol. Optimized version of ZeroEx.
 | 
			
		||||
contract ZeroExOptimized {
 | 
			
		||||
    /// @dev Construct this contract and register the `BootstrapFeature` feature.
 | 
			
		||||
    ///      After constructing this contract, `bootstrap()` should be called
 | 
			
		||||
    ///      by `bootstrap()` to seed the initial feature set.
 | 
			
		||||
    /// @param bootstrapper Who can call `bootstrap()`.
 | 
			
		||||
    constructor(address bootstrapper) public {
 | 
			
		||||
        // Temporarily create and register the bootstrap feature.
 | 
			
		||||
        // It will deregister itself after `bootstrap()` has been called.
 | 
			
		||||
        BootstrapFeature bootstrap = new BootstrapFeature(bootstrapper);
 | 
			
		||||
        LibProxyStorage.getStorage().impls[bootstrap.bootstrap.selector] =
 | 
			
		||||
            address(bootstrap);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
    // solhint-disable state-visibility
 | 
			
		||||
 | 
			
		||||
    /// @dev Forwards calls to the appropriate implementation contract.
 | 
			
		||||
    fallback() external payable {
 | 
			
		||||
        // This is used in assembly below as impls_slot.
 | 
			
		||||
        mapping(bytes4 => address) storage impls =
 | 
			
		||||
            LibProxyStorage.getStorage().impls;
 | 
			
		||||
 | 
			
		||||
        assembly {
 | 
			
		||||
            let cdlen := calldatasize()
 | 
			
		||||
 | 
			
		||||
            // equivalent of receive() external payable {}
 | 
			
		||||
            if iszero(cdlen) {
 | 
			
		||||
                return(0, 0)
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Store at 0x40, to leave 0x00-0x3F for slot calculation below.
 | 
			
		||||
            calldatacopy(0x40, 0, cdlen)
 | 
			
		||||
            let selector := and(mload(0x40), 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)
 | 
			
		||||
 | 
			
		||||
            // Slot for impls[selector] is keccak256(selector . impls_slot).
 | 
			
		||||
            mstore(0, selector)
 | 
			
		||||
            mstore(0x20, impls_slot)
 | 
			
		||||
            let slot := keccak256(0, 0x40)
 | 
			
		||||
 | 
			
		||||
            let delegate := sload(slot)
 | 
			
		||||
            if iszero(delegate) {
 | 
			
		||||
                // Revert with:
 | 
			
		||||
                // abi.encodeWithSelector(
 | 
			
		||||
                //   bytes4(keccak256("NotImplementedError(bytes4)")),
 | 
			
		||||
                //   selector)
 | 
			
		||||
                mstore(0, 0x734e6e1c00000000000000000000000000000000000000000000000000000000)
 | 
			
		||||
                mstore(4, selector)
 | 
			
		||||
                revert(0, 0x24)
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            let success := delegatecall(
 | 
			
		||||
                gas(),
 | 
			
		||||
                delegate,
 | 
			
		||||
                0x40, cdlen,
 | 
			
		||||
                0, 0
 | 
			
		||||
            )
 | 
			
		||||
            let rdlen := returndatasize()
 | 
			
		||||
            returndatacopy(0, 0, rdlen)
 | 
			
		||||
            if success {
 | 
			
		||||
                return(0, rdlen)
 | 
			
		||||
            }
 | 
			
		||||
            revert(0, rdlen)
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										92
									
								
								contracts/zero-ex/contracts/src/external/FeeCollectorController.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							
							
						
						
									
										92
									
								
								contracts/zero-ex/contracts/src/external/FeeCollectorController.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							@@ -0,0 +1,92 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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/IEtherTokenV06.sol";
 | 
			
		||||
import "../vendor/v3/IStaking.sol";
 | 
			
		||||
import "./FeeCollector.sol";
 | 
			
		||||
import "./LibFeeCollector.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev A contract that manages `FeeCollector` contracts.
 | 
			
		||||
contract FeeCollectorController {
 | 
			
		||||
 | 
			
		||||
    /// @dev Hash of the fee collector init code.
 | 
			
		||||
    bytes32 public immutable FEE_COLLECTOR_INIT_CODE_HASH;
 | 
			
		||||
    /// @dev The WETH contract.
 | 
			
		||||
    IEtherTokenV06 private immutable WETH;
 | 
			
		||||
    /// @dev The staking contract.
 | 
			
		||||
    IStaking private immutable STAKING;
 | 
			
		||||
 | 
			
		||||
    constructor(
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IStaking staking
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
    {
 | 
			
		||||
        FEE_COLLECTOR_INIT_CODE_HASH = keccak256(type(FeeCollector).creationCode);
 | 
			
		||||
        WETH = weth;
 | 
			
		||||
        STAKING = staking;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Deploy (if needed) a `FeeCollector` contract for `poolId`
 | 
			
		||||
    ///      and wrap its ETH into WETH. Anyone may call this.
 | 
			
		||||
    /// @param poolId The pool ID associated with the staking pool.
 | 
			
		||||
    /// @return feeCollector The `FeeCollector` contract instance.
 | 
			
		||||
    function prepareFeeCollectorToPayFees(bytes32 poolId)
 | 
			
		||||
        external
 | 
			
		||||
        returns (FeeCollector feeCollector)
 | 
			
		||||
    {
 | 
			
		||||
        feeCollector = getFeeCollector(poolId);
 | 
			
		||||
        uint256 codeSize;
 | 
			
		||||
        assembly {
 | 
			
		||||
            codeSize := extcodesize(feeCollector)
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        if (codeSize == 0) {
 | 
			
		||||
            // Create and initialize the contract if necessary.
 | 
			
		||||
            new FeeCollector{salt: bytes32(poolId)}();
 | 
			
		||||
            feeCollector.initialize(WETH, STAKING, poolId);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        if (address(feeCollector).balance > 1) {
 | 
			
		||||
            feeCollector.convertToWeth(WETH);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        return feeCollector;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the `FeeCollector` contract for a given pool ID. The contract
 | 
			
		||||
    ///      will not actually exist until `prepareFeeCollectorToPayFees()`
 | 
			
		||||
    ///      has been called once.
 | 
			
		||||
    /// @param poolId The pool ID associated with the staking pool.
 | 
			
		||||
    /// @return feeCollector The `FeeCollector` contract instance.
 | 
			
		||||
    function getFeeCollector(bytes32 poolId)
 | 
			
		||||
        public
 | 
			
		||||
        view
 | 
			
		||||
        returns (FeeCollector feeCollector)
 | 
			
		||||
    {
 | 
			
		||||
        return FeeCollector(LibFeeCollector.getFeeCollectorAddress(
 | 
			
		||||
            address(this),
 | 
			
		||||
            FEE_COLLECTOR_INIT_CODE_HASH,
 | 
			
		||||
            poolId
 | 
			
		||||
        ));
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										43
									
								
								contracts/zero-ex/contracts/src/external/LibFeeCollector.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							
							
						
						
									
										43
									
								
								contracts/zero-ex/contracts/src/external/LibFeeCollector.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							@@ -0,0 +1,43 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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;
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev Helpers for computing `FeeCollector` contract addresses.
 | 
			
		||||
library LibFeeCollector {
 | 
			
		||||
 | 
			
		||||
    /// @dev Compute the CREATE2 address for a fee collector.
 | 
			
		||||
    /// @param controller The address of the `FeeCollectorController` contract.
 | 
			
		||||
    /// @param initCodeHash The init code hash of the `FeeCollector` contract.
 | 
			
		||||
    /// @param poolId The fee collector's pool ID.
 | 
			
		||||
    function getFeeCollectorAddress(address controller, bytes32 initCodeHash, bytes32 poolId)
 | 
			
		||||
        internal
 | 
			
		||||
        pure
 | 
			
		||||
        returns (address payable feeCollectorAddress)
 | 
			
		||||
    {
 | 
			
		||||
        // Compute the CREATE2 address for the fee collector.
 | 
			
		||||
        return address(uint256(keccak256(abi.encodePacked(
 | 
			
		||||
            byte(0xff),
 | 
			
		||||
            controller,
 | 
			
		||||
            poolId, // pool ID is salt
 | 
			
		||||
            initCodeHash
 | 
			
		||||
        ))));
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										114
									
								
								contracts/zero-ex/contracts/src/external/PermissionlessTransformerDeployer.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							
							
						
						
									
										114
									
								
								contracts/zero-ex/contracts/src/external/PermissionlessTransformerDeployer.sol
									
									
									
									
										vendored
									
									
										Normal file
									
								
							@@ -0,0 +1,114 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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;
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev Deployer contract for ERC20 transformers.
 | 
			
		||||
contract PermissionlessTransformerDeployer {
 | 
			
		||||
    /// @dev Emitted when a contract is deployed via `deploy()`.
 | 
			
		||||
    /// @param deployedAddress The address of the deployed contract.
 | 
			
		||||
    /// @param salt The deployment salt.
 | 
			
		||||
    /// @param sender The caller of `deploy()`.
 | 
			
		||||
    event Deployed(address deployedAddress, bytes32 salt, address sender);
 | 
			
		||||
 | 
			
		||||
    // @dev Mapping of deployed contract address to the deployment salt.
 | 
			
		||||
    mapping (address => bytes32) public toDeploymentSalt;
 | 
			
		||||
    // @dev Mapping of deployed contract address to the init code hash.
 | 
			
		||||
    mapping (address => bytes32) public toInitCodeHash;
 | 
			
		||||
 | 
			
		||||
    /// @dev Deploy a new contract. Any attached ETH will be forwarded.
 | 
			
		||||
    function deploy(bytes memory bytecode, bytes32 salt)
 | 
			
		||||
        public
 | 
			
		||||
        payable
 | 
			
		||||
        returns (address deployedAddress)
 | 
			
		||||
    {
 | 
			
		||||
        assembly {
 | 
			
		||||
            deployedAddress := create2(callvalue(), add(bytecode, 32), mload(bytecode), salt)
 | 
			
		||||
        }
 | 
			
		||||
        require(deployedAddress != address(0), 'PermissionlessTransformerDeployer/DEPLOY_FAILED');
 | 
			
		||||
        require(isDelegateCallSafe(deployedAddress), 'PermissionlessTransformerDeployer/UNSAFE_CODE');
 | 
			
		||||
        toDeploymentSalt[deployedAddress] = salt;
 | 
			
		||||
        toInitCodeHash[deployedAddress] = keccak256(bytecode);
 | 
			
		||||
        emit Deployed(deployedAddress, salt, msg.sender);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Checks whether a given address is safe to be called via
 | 
			
		||||
    ///      delegatecall. A contract is considered unsafe if it includes any
 | 
			
		||||
    ///      of the following opcodes: CALLCODE, DELEGATECALL, SELFDESTRUCT,
 | 
			
		||||
    ///      CREATE, CREATE2, SLOAD, and STORE. This code is adapted from
 | 
			
		||||
    ///      https://github.com/dharma-eng/dharma-smart-wallet/blob/master/contracts/helpers/IndestructibleRegistry.sol
 | 
			
		||||
    /// @param target The address to check.
 | 
			
		||||
    /// @return True if the contract is considered safe for delegatecall.
 | 
			
		||||
    function isDelegateCallSafe(address target) public view returns (bool) {
 | 
			
		||||
        uint256 size;
 | 
			
		||||
        assembly { size := extcodesize(target) }
 | 
			
		||||
        require(size > 0, 'PermissionlessTransformerDeployer/NO_CODE');
 | 
			
		||||
 | 
			
		||||
        bytes memory extcode = new bytes(size);
 | 
			
		||||
        assembly {
 | 
			
		||||
            extcodecopy(target, add(extcode, 32), 0, size)
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Look for any reachable, impermissible opcodes.
 | 
			
		||||
        bool reachable = true;
 | 
			
		||||
        for (uint256 i = 0; i < extcode.length; i++) {
 | 
			
		||||
            uint8 op = uint8(extcode[i]);
 | 
			
		||||
 | 
			
		||||
            // If the opcode is a PUSH, skip over the push data.
 | 
			
		||||
            if (op > 95 && op < 128) { // pushN
 | 
			
		||||
                i += (op - 95);
 | 
			
		||||
                continue;
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            if (reachable) {
 | 
			
		||||
                // If execution is halted, mark subsequent opcodes unreachable.
 | 
			
		||||
                if (
 | 
			
		||||
                    op == 254 || // invalid
 | 
			
		||||
                    op == 243 || // return
 | 
			
		||||
                    op == 253 || // revert
 | 
			
		||||
                    op == 86  || // jump
 | 
			
		||||
                    op == 0      // stop
 | 
			
		||||
                ) {
 | 
			
		||||
                    reachable = false;
 | 
			
		||||
                    continue;
 | 
			
		||||
                }
 | 
			
		||||
 | 
			
		||||
                // If opcode is impermissible, contract is unsafe.
 | 
			
		||||
                if (
 | 
			
		||||
                    op == 242 || // callcode
 | 
			
		||||
                    op == 244 || // delegatecall
 | 
			
		||||
                    op == 255 || // selfdestruct
 | 
			
		||||
                    op == 240 || // create
 | 
			
		||||
                    op == 245 || // create2
 | 
			
		||||
                    op == 84  || // sload
 | 
			
		||||
                    op == 85     // sstore
 | 
			
		||||
                ) {
 | 
			
		||||
                    return false;
 | 
			
		||||
                }
 | 
			
		||||
            } else if (op == 91) { // jumpdest
 | 
			
		||||
                // After a JUMPDEST, opcodes are reachable again.
 | 
			
		||||
                reachable = true;
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        return true; // No impermissible opcodes found.
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
@@ -20,11 +20,10 @@ pragma solidity ^0.6.5;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
 | 
			
		||||
 | 
			
		||||
import "./libs/LibSignature.sol";
 | 
			
		||||
 | 
			
		||||
/// @dev Meta-transactions feature.
 | 
			
		||||
interface IMetaTransactionsFeature {
 | 
			
		||||
 | 
			
		||||
    /// @dev Describes an exchange proxy meta transaction.
 | 
			
		||||
    struct MetaTransactionData {
 | 
			
		||||
        // Signer of meta-transaction. On whose behalf to execute the MTX.
 | 
			
		||||
@@ -68,7 +67,7 @@ interface IMetaTransactionsFeature {
 | 
			
		||||
    /// @return returnResult The ABI-encoded result of the underlying call.
 | 
			
		||||
    function executeMetaTransaction(
 | 
			
		||||
        MetaTransactionData calldata mtx,
 | 
			
		||||
        bytes calldata signature
 | 
			
		||||
        LibSignature.Signature calldata signature
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
@@ -80,7 +79,7 @@ interface IMetaTransactionsFeature {
 | 
			
		||||
    /// @return returnResults The ABI-encoded results of the underlying calls.
 | 
			
		||||
    function batchExecuteMetaTransactions(
 | 
			
		||||
        MetaTransactionData[] calldata mtxs,
 | 
			
		||||
        bytes[] calldata signatures
 | 
			
		||||
        LibSignature.Signature[] calldata signatures
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
@@ -88,14 +87,14 @@ interface IMetaTransactionsFeature {
 | 
			
		||||
 | 
			
		||||
    /// @dev Execute a meta-transaction via `sender`. Privileged variant.
 | 
			
		||||
    ///      Only callable from within.
 | 
			
		||||
    /// @param sender Who is executing the meta-transaction..
 | 
			
		||||
    /// @param sender Who is executing the meta-transaction.
 | 
			
		||||
    /// @param mtx The meta-transaction.
 | 
			
		||||
    /// @param signature The signature by `mtx.signer`.
 | 
			
		||||
    /// @return returnResult The ABI-encoded result of the underlying call.
 | 
			
		||||
    function _executeMetaTransaction(
 | 
			
		||||
        address sender,
 | 
			
		||||
        MetaTransactionData calldata mtx,
 | 
			
		||||
        bytes calldata signature
 | 
			
		||||
        MetaTransactionData memory mtx,
 | 
			
		||||
        LibSignature.Signature memory signature
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
 
 | 
			
		||||
@@ -56,7 +56,6 @@ interface INativeOrdersFeature {
 | 
			
		||||
    /// @param taker The taker of the order.
 | 
			
		||||
    /// @param takerTokenFilledAmount How much taker token was filled.
 | 
			
		||||
    /// @param makerTokenFilledAmount How much maker token was filled.
 | 
			
		||||
    /// @param protocolFeePaid How much protocol fee was paid.
 | 
			
		||||
    /// @param pool The fee pool associated with this order.
 | 
			
		||||
    event RfqOrderFilled(
 | 
			
		||||
        bytes32 orderHash,
 | 
			
		||||
@@ -66,7 +65,6 @@ interface INativeOrdersFeature {
 | 
			
		||||
        address takerToken,
 | 
			
		||||
        uint128 takerTokenFilledAmount,
 | 
			
		||||
        uint128 makerTokenFilledAmount,
 | 
			
		||||
        uint256 protocolFeePaid,
 | 
			
		||||
        bytes32 pool
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
@@ -78,19 +76,43 @@ interface INativeOrdersFeature {
 | 
			
		||||
        address maker
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    /// @dev Emitted whenever limit or RFQ orders are cancelled by pair by a maker.
 | 
			
		||||
    /// @dev Emitted whenever Limit orders are cancelled by pair by a maker.
 | 
			
		||||
    /// @param maker The maker of the order.
 | 
			
		||||
    /// @param makerToken The maker token in a pair for the orders cancelled.
 | 
			
		||||
    /// @param takerToken The taker token in a pair for the orders cancelled.
 | 
			
		||||
    /// @param minValidSalt The new minimum valid salt an order with this pair must
 | 
			
		||||
    ///        have.
 | 
			
		||||
    event PairOrdersCancelled(
 | 
			
		||||
    event PairCancelledLimitOrders(
 | 
			
		||||
        address maker,
 | 
			
		||||
        address makerToken,
 | 
			
		||||
        address takerToken,
 | 
			
		||||
        uint256 minValidSalt
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    /// @dev Emitted whenever RFQ orders are cancelled by pair by a maker.
 | 
			
		||||
    /// @param maker The maker of the order.
 | 
			
		||||
    /// @param makerToken The maker token in a pair for the orders cancelled.
 | 
			
		||||
    /// @param takerToken The taker token in a pair for the orders cancelled.
 | 
			
		||||
    /// @param minValidSalt The new minimum valid salt an order with this pair must
 | 
			
		||||
    ///        have.
 | 
			
		||||
    event PairCancelledRfqOrders(
 | 
			
		||||
        address maker,
 | 
			
		||||
        address makerToken,
 | 
			
		||||
        address takerToken,
 | 
			
		||||
        uint256 minValidSalt
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    /// @dev Emitted when new addresses are allowed or disallowed to fill
 | 
			
		||||
    ///      orders with a given txOrigin.
 | 
			
		||||
    /// @param origin The address doing the allowing.
 | 
			
		||||
    /// @param addrs The address being allowed/disallowed.
 | 
			
		||||
    /// @param allowed Indicates whether the address should be allowed.
 | 
			
		||||
    event RfqOrderOriginsAllowed(
 | 
			
		||||
        address origin,
 | 
			
		||||
        address[] addrs,
 | 
			
		||||
        bool allowed
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    /// @dev Transfers protocol fees from the `FeeCollector` pools into
 | 
			
		||||
    ///      the staking contract.
 | 
			
		||||
    /// @param poolIds Staking pool IDs
 | 
			
		||||
@@ -115,8 +137,7 @@ interface INativeOrdersFeature {
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill an RFQ order for up to `takerTokenFillAmount` taker tokens.
 | 
			
		||||
    ///      The taker will be the caller. ETH should be attached to pay the
 | 
			
		||||
    ///      protocol fee.
 | 
			
		||||
    ///      The taker will be the caller.
 | 
			
		||||
    /// @param order The RFQ order.
 | 
			
		||||
    /// @param signature The order signature.
 | 
			
		||||
    /// @param takerTokenFillAmount Maximum taker token amount to fill this order with.
 | 
			
		||||
@@ -128,7 +149,6 @@ interface INativeOrdersFeature {
 | 
			
		||||
        uint128 takerTokenFillAmount
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill an RFQ order for exactly `takerTokenFillAmount` taker tokens.
 | 
			
		||||
@@ -149,9 +169,7 @@ interface INativeOrdersFeature {
 | 
			
		||||
        returns (uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill an RFQ order for exactly `takerTokenFillAmount` taker tokens.
 | 
			
		||||
    ///      The taker will be the caller. ETH protocol fees can be
 | 
			
		||||
    ///      attached to this call. Any unspent ETH will be refunded to
 | 
			
		||||
    ///      the caller.
 | 
			
		||||
    ///      The taker will be the caller.
 | 
			
		||||
    /// @param order The RFQ order.
 | 
			
		||||
    /// @param signature The order signature.
 | 
			
		||||
    /// @param takerTokenFillAmount How much taker token to fill this order with.
 | 
			
		||||
@@ -162,7 +180,6 @@ interface INativeOrdersFeature {
 | 
			
		||||
        uint128 takerTokenFillAmount
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill a limit order. Internal variant. ETH protocol fees can be
 | 
			
		||||
@@ -186,9 +203,7 @@ interface INativeOrdersFeature {
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill an RFQ order. Internal variant. ETH protocol fees can be
 | 
			
		||||
    ///      attached to this call. Any unspent ETH will be refunded to
 | 
			
		||||
    ///      `msg.sender` (not `sender`).
 | 
			
		||||
    /// @dev Fill an RFQ order. Internal variant.
 | 
			
		||||
    /// @param order The RFQ order.
 | 
			
		||||
    /// @param signature The order signature.
 | 
			
		||||
    /// @param takerTokenFillAmount Maximum taker token to fill this order with.
 | 
			
		||||
@@ -202,7 +217,6 @@ interface INativeOrdersFeature {
 | 
			
		||||
        address taker
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
    /// @dev Cancel a single limit order. The caller must be the maker.
 | 
			
		||||
@@ -217,6 +231,13 @@ interface INativeOrdersFeature {
 | 
			
		||||
    function cancelRfqOrder(LibNativeOrder.RfqOrder calldata order)
 | 
			
		||||
        external;
 | 
			
		||||
 | 
			
		||||
    /// @dev Mark what tx.origin addresses are allowed to fill an order that
 | 
			
		||||
    ///      specifies the message sender as its txOrigin.
 | 
			
		||||
    /// @param origins An array of origin addresses to update.
 | 
			
		||||
    /// @param allowed True to register, false to unregister.
 | 
			
		||||
    function registerAllowedRfqOrigins(address[] memory origins, bool allowed)
 | 
			
		||||
        external;
 | 
			
		||||
 | 
			
		||||
    /// @dev Cancel multiple limit orders. The caller must be the maker.
 | 
			
		||||
    ///      Silently succeeds if the order has already been cancelled.
 | 
			
		||||
    /// @param orders The limit orders.
 | 
			
		||||
 
 | 
			
		||||
@@ -57,12 +57,4 @@ interface ISimpleFunctionRegistryFeature {
 | 
			
		||||
        external
 | 
			
		||||
        view
 | 
			
		||||
        returns (address impl);
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the implementation contract of a registered function.
 | 
			
		||||
    /// @param selector The function selector.
 | 
			
		||||
    /// @return impl The implementation contract address.
 | 
			
		||||
    function getFunctionImplementation(bytes4 selector)
 | 
			
		||||
        external
 | 
			
		||||
        view
 | 
			
		||||
        returns (address impl);
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -58,10 +58,6 @@ interface ITransformERC20Feature {
 | 
			
		||||
        // The transformations to execute on the token balance(s)
 | 
			
		||||
        // in sequence.
 | 
			
		||||
        Transformation[] transformations;
 | 
			
		||||
        // The hash of the calldata for the `transformERC20()` call.
 | 
			
		||||
        bytes32 callDataHash;
 | 
			
		||||
        // The signature for `callDataHash` signed by `getQuoteSigner()`.
 | 
			
		||||
        bytes callDataSignature;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Raised upon a successful `transformERC20`.
 | 
			
		||||
 
 | 
			
		||||
@@ -26,16 +26,17 @@ import "../errors/LibLiquidityProviderRichErrors.sol";
 | 
			
		||||
import "../external/ILiquidityProviderSandbox.sol";
 | 
			
		||||
import "../external/LiquidityProviderSandbox.sol";
 | 
			
		||||
import "../fixins/FixinCommon.sol";
 | 
			
		||||
import "../fixins/FixinTokenSpender.sol";
 | 
			
		||||
import "../migrations/LibMigrate.sol";
 | 
			
		||||
import "./IFeature.sol";
 | 
			
		||||
import "./ILiquidityProviderFeature.sol";
 | 
			
		||||
import "./libs/LibTokenSpender.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract LiquidityProviderFeature is
 | 
			
		||||
    IFeature,
 | 
			
		||||
    ILiquidityProviderFeature,
 | 
			
		||||
    FixinCommon
 | 
			
		||||
    FixinCommon,
 | 
			
		||||
    FixinTokenSpender
 | 
			
		||||
{
 | 
			
		||||
    using LibSafeMathV06 for uint256;
 | 
			
		||||
    using LibRichErrorsV06 for bytes;
 | 
			
		||||
@@ -60,9 +61,10 @@ contract LiquidityProviderFeature is
 | 
			
		||||
        address recipient
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    constructor(LiquidityProviderSandbox sandbox_)
 | 
			
		||||
    constructor(LiquidityProviderSandbox sandbox_, bytes32 greedyTokensBloomFilter)
 | 
			
		||||
        public
 | 
			
		||||
        FixinCommon()
 | 
			
		||||
        FixinTokenSpender(greedyTokensBloomFilter)
 | 
			
		||||
    {
 | 
			
		||||
        sandbox = sandbox_;
 | 
			
		||||
    }
 | 
			
		||||
@@ -112,12 +114,11 @@ contract LiquidityProviderFeature is
 | 
			
		||||
        if (inputToken == ETH_TOKEN_ADDRESS) {
 | 
			
		||||
            provider.transfer(sellAmount);
 | 
			
		||||
        } else {
 | 
			
		||||
            LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
            _transferERC20Tokens(
 | 
			
		||||
                IERC20TokenV06(inputToken),
 | 
			
		||||
                msg.sender,
 | 
			
		||||
                provider,
 | 
			
		||||
                sellAmount,
 | 
			
		||||
                true
 | 
			
		||||
                sellAmount
 | 
			
		||||
            );
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -25,16 +25,16 @@ import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
 | 
			
		||||
import "../errors/LibMetaTransactionsRichErrors.sol";
 | 
			
		||||
import "../fixins/FixinCommon.sol";
 | 
			
		||||
import "../fixins/FixinReentrancyGuard.sol";
 | 
			
		||||
import "../fixins/FixinTokenSpender.sol";
 | 
			
		||||
import "../fixins/FixinEIP712.sol";
 | 
			
		||||
import "../migrations/LibMigrate.sol";
 | 
			
		||||
import "../storage/LibMetaTransactionsStorage.sol";
 | 
			
		||||
import "./libs/LibSignedCallData.sol";
 | 
			
		||||
import "./IMetaTransactionsFeature.sol";
 | 
			
		||||
import "./ITransformERC20Feature.sol";
 | 
			
		||||
import "./libs/LibSignature.sol";
 | 
			
		||||
import "./ISignatureValidatorFeature.sol";
 | 
			
		||||
import "./IFeature.sol";
 | 
			
		||||
import "./libs/LibTokenSpender.sol";
 | 
			
		||||
 | 
			
		||||
import "./INativeOrdersFeature.sol";
 | 
			
		||||
 | 
			
		||||
/// @dev MetaTransactions feature.
 | 
			
		||||
contract MetaTransactionsFeature is
 | 
			
		||||
@@ -42,13 +42,13 @@ contract MetaTransactionsFeature is
 | 
			
		||||
    IMetaTransactionsFeature,
 | 
			
		||||
    FixinCommon,
 | 
			
		||||
    FixinReentrancyGuard,
 | 
			
		||||
    FixinEIP712
 | 
			
		||||
    FixinEIP712,
 | 
			
		||||
    FixinTokenSpender
 | 
			
		||||
{
 | 
			
		||||
    using LibBytesV06 for bytes;
 | 
			
		||||
    using LibRichErrorsV06 for bytes;
 | 
			
		||||
 | 
			
		||||
    /// @dev Intermediate state vars used by `_executeMetaTransactionPrivate()`
 | 
			
		||||
    ///      to avoid stack overflows.
 | 
			
		||||
    /// @dev Describes the state of a meta transaction.
 | 
			
		||||
    struct ExecuteState {
 | 
			
		||||
        // Sender of the meta-transaction.
 | 
			
		||||
        address sender;
 | 
			
		||||
@@ -57,7 +57,7 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        // The meta-transaction data.
 | 
			
		||||
        MetaTransactionData mtx;
 | 
			
		||||
        // The meta-transaction signature (by `mtx.signer`).
 | 
			
		||||
        bytes signature;
 | 
			
		||||
        LibSignature.Signature signature;
 | 
			
		||||
        // The selector of the function being called.
 | 
			
		||||
        bytes4 selector;
 | 
			
		||||
        // The ETH balance of this contract before performing the call.
 | 
			
		||||
@@ -105,10 +105,11 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    constructor(address zeroExAddress)
 | 
			
		||||
    constructor(address zeroExAddress, bytes32 greedyTokensBloomFilter)
 | 
			
		||||
        public
 | 
			
		||||
        FixinCommon()
 | 
			
		||||
        FixinEIP712(zeroExAddress)
 | 
			
		||||
        FixinTokenSpender(greedyTokensBloomFilter)
 | 
			
		||||
    {
 | 
			
		||||
        // solhint-disable-next-line no-empty-blocks
 | 
			
		||||
    }
 | 
			
		||||
@@ -135,7 +136,7 @@ contract MetaTransactionsFeature is
 | 
			
		||||
    /// @return returnResult The ABI-encoded result of the underlying call.
 | 
			
		||||
    function executeMetaTransaction(
 | 
			
		||||
        MetaTransactionData memory mtx,
 | 
			
		||||
        bytes memory signature
 | 
			
		||||
        LibSignature.Signature memory signature
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        payable
 | 
			
		||||
@@ -144,11 +145,13 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        refundsAttachedEth
 | 
			
		||||
        returns (bytes memory returnResult)
 | 
			
		||||
    {
 | 
			
		||||
        returnResult = _executeMetaTransactionPrivate(
 | 
			
		||||
            msg.sender,
 | 
			
		||||
            mtx,
 | 
			
		||||
            signature
 | 
			
		||||
        );
 | 
			
		||||
        ExecuteState memory state;
 | 
			
		||||
        state.sender = msg.sender;
 | 
			
		||||
        state.mtx = mtx;
 | 
			
		||||
        state.hash = getMetaTransactionHash(mtx);
 | 
			
		||||
        state.signature = signature;
 | 
			
		||||
 | 
			
		||||
        returnResult = _executeMetaTransactionPrivate(state);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Execute multiple meta-transactions.
 | 
			
		||||
@@ -157,7 +160,7 @@ contract MetaTransactionsFeature is
 | 
			
		||||
    /// @return returnResults The ABI-encoded results of the underlying calls.
 | 
			
		||||
    function batchExecuteMetaTransactions(
 | 
			
		||||
        MetaTransactionData[] memory mtxs,
 | 
			
		||||
        bytes[] memory signatures
 | 
			
		||||
        LibSignature.Signature[] memory signatures
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        payable
 | 
			
		||||
@@ -174,11 +177,13 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        }
 | 
			
		||||
        returnResults = new bytes[](mtxs.length);
 | 
			
		||||
        for (uint256 i = 0; i < mtxs.length; ++i) {
 | 
			
		||||
            returnResults[i] = _executeMetaTransactionPrivate(
 | 
			
		||||
                msg.sender,
 | 
			
		||||
                mtxs[i],
 | 
			
		||||
                signatures[i]
 | 
			
		||||
            );
 | 
			
		||||
            ExecuteState memory state;
 | 
			
		||||
            state.sender = msg.sender;
 | 
			
		||||
            state.mtx = mtxs[i];
 | 
			
		||||
            state.hash = getMetaTransactionHash(mtxs[i]);
 | 
			
		||||
            state.signature = signatures[i];
 | 
			
		||||
 | 
			
		||||
            returnResults[i] = _executeMetaTransactionPrivate(state);
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -191,7 +196,7 @@ contract MetaTransactionsFeature is
 | 
			
		||||
    function _executeMetaTransaction(
 | 
			
		||||
        address sender,
 | 
			
		||||
        MetaTransactionData memory mtx,
 | 
			
		||||
        bytes memory signature
 | 
			
		||||
        LibSignature.Signature memory signature
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        payable
 | 
			
		||||
@@ -199,7 +204,13 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        onlySelf
 | 
			
		||||
        returns (bytes memory returnResult)
 | 
			
		||||
    {
 | 
			
		||||
        return _executeMetaTransactionPrivate(sender, mtx, signature);
 | 
			
		||||
        ExecuteState memory state;
 | 
			
		||||
        state.sender = sender;
 | 
			
		||||
        state.mtx = mtx;
 | 
			
		||||
        state.hash = getMetaTransactionHash(mtx);
 | 
			
		||||
        state.signature = signature;
 | 
			
		||||
 | 
			
		||||
        return _executeMetaTransactionPrivate(state);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the block at which a meta-transaction has been executed.
 | 
			
		||||
@@ -251,24 +262,13 @@ contract MetaTransactionsFeature is
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Execute a meta-transaction by `sender`. Low-level, hidden variant.
 | 
			
		||||
    /// @param sender Who is executing the meta-transaction..
 | 
			
		||||
    /// @param mtx The meta-transaction.
 | 
			
		||||
    /// @param signature The signature by `mtx.signer`.
 | 
			
		||||
    /// @param state The `ExecuteState` for this metatransaction, with `sender`,
 | 
			
		||||
    ///              `hash`, `mtx`, and `signature` fields filled.
 | 
			
		||||
    /// @return returnResult The ABI-encoded result of the underlying call.
 | 
			
		||||
    function _executeMetaTransactionPrivate(
 | 
			
		||||
        address sender,
 | 
			
		||||
        MetaTransactionData memory mtx,
 | 
			
		||||
        bytes memory signature
 | 
			
		||||
    )
 | 
			
		||||
    function _executeMetaTransactionPrivate(ExecuteState memory state)
 | 
			
		||||
        private
 | 
			
		||||
        returns (bytes memory returnResult)
 | 
			
		||||
    {
 | 
			
		||||
        ExecuteState memory state;
 | 
			
		||||
        state.sender = sender;
 | 
			
		||||
        state.hash = getMetaTransactionHash(mtx);
 | 
			
		||||
        state.mtx = mtx;
 | 
			
		||||
        state.signature = signature;
 | 
			
		||||
 | 
			
		||||
        _validateMetaTransaction(state);
 | 
			
		||||
 | 
			
		||||
        // Mark the transaction executed by storing the block at which it was executed.
 | 
			
		||||
@@ -278,20 +278,23 @@ contract MetaTransactionsFeature is
 | 
			
		||||
            .mtxHashToExecutedBlockNumber[state.hash] = block.number;
 | 
			
		||||
 | 
			
		||||
        // Pay the fee to the sender.
 | 
			
		||||
        if (mtx.feeAmount > 0) {
 | 
			
		||||
            LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
                mtx.feeToken,
 | 
			
		||||
                mtx.signer,
 | 
			
		||||
                sender,
 | 
			
		||||
                mtx.feeAmount,
 | 
			
		||||
                true
 | 
			
		||||
        if (state.mtx.feeAmount > 0) {
 | 
			
		||||
            _transferERC20Tokens(
 | 
			
		||||
                state.mtx.feeToken,
 | 
			
		||||
                state.mtx.signer,
 | 
			
		||||
                state.sender,
 | 
			
		||||
                state.mtx.feeAmount
 | 
			
		||||
            );
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Execute the call based on the selector.
 | 
			
		||||
        state.selector = mtx.callData.readBytes4(0);
 | 
			
		||||
        state.selector = state.mtx.callData.readBytes4(0);
 | 
			
		||||
        if (state.selector == ITransformERC20Feature.transformERC20.selector) {
 | 
			
		||||
            returnResult = _executeTransformERC20Call(state);
 | 
			
		||||
        } else if (state.selector == INativeOrdersFeature.fillLimitOrder.selector) {
 | 
			
		||||
            returnResult = _executeFillLimitOrderCall(state);
 | 
			
		||||
        } else if (state.selector == INativeOrdersFeature.fillRfqOrder.selector) {
 | 
			
		||||
            returnResult = _executeFillRfqOrderCall(state);
 | 
			
		||||
        } else {
 | 
			
		||||
            LibMetaTransactionsRichErrors
 | 
			
		||||
                .MetaTransactionUnsupportedFunctionError(state.hash, state.selector)
 | 
			
		||||
@@ -300,8 +303,8 @@ contract MetaTransactionsFeature is
 | 
			
		||||
        emit MetaTransactionExecuted(
 | 
			
		||||
            state.hash,
 | 
			
		||||
            state.selector,
 | 
			
		||||
            mtx.signer,
 | 
			
		||||
            mtx.sender
 | 
			
		||||
            state.mtx.signer,
 | 
			
		||||
            state.mtx.sender
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -348,18 +351,17 @@ contract MetaTransactionsFeature is
 | 
			
		||||
                    state.mtx.value
 | 
			
		||||
                ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
        // Must be signed by signer.
 | 
			
		||||
        try
 | 
			
		||||
            ISignatureValidatorFeature(address(this))
 | 
			
		||||
                .validateHashSignature(state.hash, state.mtx.signer, state.signature)
 | 
			
		||||
        {}
 | 
			
		||||
        catch (bytes memory err) {
 | 
			
		||||
            LibMetaTransactionsRichErrors
 | 
			
		||||
                .MetaTransactionInvalidSignatureError(
 | 
			
		||||
                    state.hash,
 | 
			
		||||
                    state.signature,
 | 
			
		||||
                    err
 | 
			
		||||
                ).rrevert();
 | 
			
		||||
 | 
			
		||||
        if (LibSignature.getSignerOfHash(state.hash, state.signature) !=
 | 
			
		||||
                state.mtx.signer) {
 | 
			
		||||
            LibSignatureRichErrors.SignatureValidationError(
 | 
			
		||||
                LibSignatureRichErrors.SignatureValidationErrorCodes.WRONG_SIGNER,
 | 
			
		||||
                state.hash,
 | 
			
		||||
                state.mtx.signer,
 | 
			
		||||
                // TODO: Remove this field from SignatureValidationError
 | 
			
		||||
                //       when rich reverts are part of the protocol repo.
 | 
			
		||||
                ""
 | 
			
		||||
            ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
        // Transaction must not have been already executed.
 | 
			
		||||
        state.executedBlockNumber = LibMetaTransactionsStorage
 | 
			
		||||
@@ -430,10 +432,6 @@ contract MetaTransactionsFeature is
 | 
			
		||||
            // Decode call args for `ITransformERC20Feature.transformERC20()` as a struct.
 | 
			
		||||
            args = abi.decode(encodedStructArgs, (ExternalTransformERC20Args));
 | 
			
		||||
        }
 | 
			
		||||
        // Parse the signature and hash out of the calldata so `_transformERC20()`
 | 
			
		||||
        // can authenticate it.
 | 
			
		||||
        (bytes32 callDataHash, bytes memory callDataSignature) =
 | 
			
		||||
            LibSignedCallData.parseCallData(state.mtx.callData);
 | 
			
		||||
        // Call `ITransformERC20Feature._transformERC20()` (internal variant).
 | 
			
		||||
        return _callSelf(
 | 
			
		||||
            state.hash,
 | 
			
		||||
@@ -445,15 +443,95 @@ contract MetaTransactionsFeature is
 | 
			
		||||
                    outputToken: args.outputToken,
 | 
			
		||||
                    inputTokenAmount: args.inputTokenAmount,
 | 
			
		||||
                    minOutputTokenAmount: args.minOutputTokenAmount,
 | 
			
		||||
                    transformations: args.transformations,
 | 
			
		||||
                    callDataHash: callDataHash,
 | 
			
		||||
                    callDataSignature: callDataSignature
 | 
			
		||||
                    transformations: args.transformations
 | 
			
		||||
              })
 | 
			
		||||
            ),
 | 
			
		||||
            state.mtx.value
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Extract arguments from call data by copying everything after the
 | 
			
		||||
    ///      4-byte selector into a new byte array.
 | 
			
		||||
    /// @param callData The call data from which arguments are to be extracted.
 | 
			
		||||
    /// @return args The extracted arguments as a byte array.
 | 
			
		||||
    function _extractArgumentsFromCallData(
 | 
			
		||||
        bytes memory callData
 | 
			
		||||
    )
 | 
			
		||||
        private
 | 
			
		||||
        pure
 | 
			
		||||
        returns (bytes memory args)
 | 
			
		||||
    {
 | 
			
		||||
        args = new bytes(callData.length - 4);
 | 
			
		||||
        uint256 fromMem;
 | 
			
		||||
        uint256 toMem;
 | 
			
		||||
 | 
			
		||||
        assembly {
 | 
			
		||||
            fromMem := add(callData, 36) // skip length and 4-byte selector
 | 
			
		||||
            toMem := add(args, 32)       // write after length prefix
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        LibBytesV06.memCopy(toMem, fromMem, args.length);
 | 
			
		||||
 | 
			
		||||
        return args;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Execute a `INativeOrdersFeature.fillLimitOrder()` meta-transaction call
 | 
			
		||||
    ///      by decoding the call args and translating the call to the internal
 | 
			
		||||
    ///      `INativeOrdersFeature._fillLimitOrder()` variant, where we can override
 | 
			
		||||
    ///      the taker address.
 | 
			
		||||
    function _executeFillLimitOrderCall(ExecuteState memory state)
 | 
			
		||||
        private
 | 
			
		||||
        returns (bytes memory returnResult)
 | 
			
		||||
    {
 | 
			
		||||
        LibNativeOrder.LimitOrder memory order;
 | 
			
		||||
        LibSignature.Signature memory signature;
 | 
			
		||||
        uint128 takerTokenFillAmount;
 | 
			
		||||
 | 
			
		||||
        bytes memory args = _extractArgumentsFromCallData(state.mtx.callData);
 | 
			
		||||
        (order, signature, takerTokenFillAmount) = abi.decode(args, (LibNativeOrder.LimitOrder, LibSignature.Signature, uint128));
 | 
			
		||||
 | 
			
		||||
        return _callSelf(
 | 
			
		||||
            state.hash,
 | 
			
		||||
            abi.encodeWithSelector(
 | 
			
		||||
                INativeOrdersFeature._fillLimitOrder.selector,
 | 
			
		||||
                order,
 | 
			
		||||
                signature,
 | 
			
		||||
                takerTokenFillAmount,
 | 
			
		||||
                state.mtx.signer, // taker is mtx signer
 | 
			
		||||
                msg.sender
 | 
			
		||||
            ),
 | 
			
		||||
            state.mtx.value
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Execute a `INativeOrdersFeature.fillRfqOrder()` meta-transaction call
 | 
			
		||||
    ///      by decoding the call args and translating the call to the internal
 | 
			
		||||
    ///      `INativeOrdersFeature._fillRfqOrder()` variant, where we can overrideunimpleme
 | 
			
		||||
    ///      the taker address.
 | 
			
		||||
    function _executeFillRfqOrderCall(ExecuteState memory state)
 | 
			
		||||
        private
 | 
			
		||||
        returns (bytes memory returnResult)
 | 
			
		||||
    {
 | 
			
		||||
        LibNativeOrder.RfqOrder memory order;
 | 
			
		||||
        LibSignature.Signature memory signature;
 | 
			
		||||
        uint128 takerTokenFillAmount;
 | 
			
		||||
 | 
			
		||||
        bytes memory args = _extractArgumentsFromCallData(state.mtx.callData);
 | 
			
		||||
        (order, signature, takerTokenFillAmount) = abi.decode(args, (LibNativeOrder.RfqOrder, LibSignature.Signature, uint128));
 | 
			
		||||
 | 
			
		||||
        return _callSelf(
 | 
			
		||||
            state.hash,
 | 
			
		||||
            abi.encodeWithSelector(
 | 
			
		||||
                INativeOrdersFeature._fillRfqOrder.selector,
 | 
			
		||||
                order,
 | 
			
		||||
                signature,
 | 
			
		||||
                takerTokenFillAmount,
 | 
			
		||||
                state.mtx.signer // taker is mtx signer
 | 
			
		||||
            ),
 | 
			
		||||
            state.mtx.value
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Make an arbitrary internal, meta-transaction call.
 | 
			
		||||
    ///      Warning: Do not let unadulterated `callData` into this function.
 | 
			
		||||
    function _callSelf(bytes32 hash, bytes memory callData, uint256 value)
 | 
			
		||||
 
 | 
			
		||||
@@ -28,11 +28,11 @@ import "@0x/contracts-utils/contracts/src/v06/LibMathV06.sol";
 | 
			
		||||
import "../fixins/FixinCommon.sol";
 | 
			
		||||
import "../fixins/FixinProtocolFees.sol";
 | 
			
		||||
import "../fixins/FixinEIP712.sol";
 | 
			
		||||
import "../fixins/FixinTokenSpender.sol";
 | 
			
		||||
import "../errors/LibNativeOrdersRichErrors.sol";
 | 
			
		||||
import "../migrations/LibMigrate.sol";
 | 
			
		||||
import "../storage/LibNativeOrdersStorage.sol";
 | 
			
		||||
import "../vendor/v3/IStaking.sol";
 | 
			
		||||
import "./libs/LibTokenSpender.sol";
 | 
			
		||||
import "./libs/LibSignature.sol";
 | 
			
		||||
import "./libs/LibNativeOrder.sol";
 | 
			
		||||
import "./INativeOrdersFeature.sol";
 | 
			
		||||
@@ -45,7 +45,8 @@ contract NativeOrdersFeature is
 | 
			
		||||
    INativeOrdersFeature,
 | 
			
		||||
    FixinCommon,
 | 
			
		||||
    FixinProtocolFees,
 | 
			
		||||
    FixinEIP712
 | 
			
		||||
    FixinEIP712,
 | 
			
		||||
    FixinTokenSpender
 | 
			
		||||
{
 | 
			
		||||
    using LibSafeMathV06 for uint256;
 | 
			
		||||
    using LibSafeMathV06 for uint128;
 | 
			
		||||
@@ -107,11 +108,14 @@ contract NativeOrdersFeature is
 | 
			
		||||
        address zeroExAddress,
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IStaking staking,
 | 
			
		||||
        uint32 protocolFeeMultiplier
 | 
			
		||||
        FeeCollectorController feeCollectorController,
 | 
			
		||||
        uint32 protocolFeeMultiplier,
 | 
			
		||||
        bytes32 greedyTokensBloomFilter
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        FixinEIP712(zeroExAddress)
 | 
			
		||||
        FixinProtocolFees(weth, staking, protocolFeeMultiplier)
 | 
			
		||||
        FixinProtocolFees(weth, staking, feeCollectorController, protocolFeeMultiplier)
 | 
			
		||||
        FixinTokenSpender(greedyTokensBloomFilter)
 | 
			
		||||
    {
 | 
			
		||||
        // solhint-disable no-empty-blocks
 | 
			
		||||
    }
 | 
			
		||||
@@ -143,6 +147,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
        _registerFeatureFunction(this.getLimitOrderHash.selector);
 | 
			
		||||
        _registerFeatureFunction(this.getRfqOrderHash.selector);
 | 
			
		||||
        _registerFeatureFunction(this.getProtocolFeeMultiplier.selector);
 | 
			
		||||
        _registerFeatureFunction(this.registerAllowedRfqOrigins.selector);
 | 
			
		||||
        return LibMigrate.MIGRATE_SUCCESS;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -206,7 +211,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        override
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount)
 | 
			
		||||
    {
 | 
			
		||||
        FillNativeOrderResults memory results =
 | 
			
		||||
@@ -216,7 +220,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
                takerTokenFillAmount,
 | 
			
		||||
                msg.sender
 | 
			
		||||
            );
 | 
			
		||||
        _refundExcessProtocolFeeToSender(results.ethProtocolFeePaid);
 | 
			
		||||
        (takerTokenFilledAmount, makerTokenFilledAmount) = (
 | 
			
		||||
            results.takerTokenFilledAmount,
 | 
			
		||||
            results.makerTokenFilledAmount
 | 
			
		||||
@@ -276,7 +279,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        override
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 makerTokenFilledAmount)
 | 
			
		||||
    {
 | 
			
		||||
        FillNativeOrderResults memory results =
 | 
			
		||||
@@ -294,7 +296,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
                takerTokenFillAmount
 | 
			
		||||
            ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
        _refundExcessProtocolFeeToSender(results.ethProtocolFeePaid);
 | 
			
		||||
        makerTokenFilledAmount = results.makerTokenFilledAmount;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -316,6 +317,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
        address sender
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        virtual
 | 
			
		||||
        override
 | 
			
		||||
        payable
 | 
			
		||||
        onlySelf
 | 
			
		||||
@@ -352,8 +354,8 @@ contract NativeOrdersFeature is
 | 
			
		||||
        address taker
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        virtual
 | 
			
		||||
        override
 | 
			
		||||
        payable
 | 
			
		||||
        onlySelf
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount)
 | 
			
		||||
    {
 | 
			
		||||
@@ -364,7 +366,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
                takerTokenFillAmount,
 | 
			
		||||
                taker
 | 
			
		||||
            );
 | 
			
		||||
        _refundExcessProtocolFeeToSender(results.ethProtocolFeePaid);
 | 
			
		||||
        (takerTokenFilledAmount, makerTokenFilledAmount) = (
 | 
			
		||||
            results.takerTokenFilledAmount,
 | 
			
		||||
            results.makerTokenFilledAmount
 | 
			
		||||
@@ -467,7 +468,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
            [address(makerToken)]
 | 
			
		||||
            [address(takerToken)] = minValidSalt;
 | 
			
		||||
 | 
			
		||||
        emit PairOrdersCancelled(
 | 
			
		||||
        emit PairCancelledLimitOrders(
 | 
			
		||||
            msg.sender,
 | 
			
		||||
            address(makerToken),
 | 
			
		||||
            address(takerToken),
 | 
			
		||||
@@ -493,7 +494,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
        require(
 | 
			
		||||
            makerTokens.length == takerTokens.length &&
 | 
			
		||||
            makerTokens.length == minValidSalts.length,
 | 
			
		||||
            "LimitOrdersFeature/MISMATCHED_PAIR_ORDERS_ARRAY_LENGTHS"
 | 
			
		||||
            "NativeOrdersFeature/MISMATCHED_PAIR_ORDERS_ARRAY_LENGTHS"
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        for (uint256 i = 0; i < makerTokens.length; ++i) {
 | 
			
		||||
@@ -541,7 +542,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
            [address(makerToken)]
 | 
			
		||||
            [address(takerToken)] = minValidSalt;
 | 
			
		||||
 | 
			
		||||
        emit PairOrdersCancelled(
 | 
			
		||||
        emit PairCancelledRfqOrders(
 | 
			
		||||
            msg.sender,
 | 
			
		||||
            address(makerToken),
 | 
			
		||||
            address(takerToken),
 | 
			
		||||
@@ -549,6 +550,30 @@ contract NativeOrdersFeature is
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Mark what tx.origin addresses are allowed to fill an order that
 | 
			
		||||
    ///      specifies the message sender as its txOrigin.
 | 
			
		||||
    /// @param origins An array of origin addresses to update.
 | 
			
		||||
    /// @param allowed True to register, false to unregister.
 | 
			
		||||
    function registerAllowedRfqOrigins(
 | 
			
		||||
        address[] memory origins,
 | 
			
		||||
        bool allowed
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
        override
 | 
			
		||||
    {
 | 
			
		||||
        require(msg.sender == tx.origin,
 | 
			
		||||
            "NativeOrdersFeature/NO_CONTRACT_ORIGINS");
 | 
			
		||||
 | 
			
		||||
        LibNativeOrdersStorage.Storage storage stor =
 | 
			
		||||
            LibNativeOrdersStorage.getStorage();
 | 
			
		||||
 | 
			
		||||
        for (uint256 i = 0; i < origins.length; i++) {
 | 
			
		||||
            stor.originRegistry[msg.sender][origins[i]] = allowed;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        emit RfqOrderOriginsAllowed(msg.sender, origins, allowed);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Cancel all RFQ orders for a given maker and pair with a salt less
 | 
			
		||||
    ///      than the value provided. The caller must be the maker. Subsequent
 | 
			
		||||
    ///      calls to this function with the same caller and pair require the
 | 
			
		||||
@@ -567,7 +592,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
        require(
 | 
			
		||||
            makerTokens.length == takerTokens.length &&
 | 
			
		||||
            makerTokens.length == minValidSalts.length,
 | 
			
		||||
            "LimitOrdersFeature/MISMATCHED_PAIR_ORDERS_ARRAY_LENGTHS"
 | 
			
		||||
            "NativeOrdersFeature/MISMATCHED_PAIR_ORDERS_ARRAY_LENGTHS"
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        for (uint256 i = 0; i < makerTokens.length; ++i) {
 | 
			
		||||
@@ -627,6 +652,11 @@ contract NativeOrdersFeature is
 | 
			
		||||
            order.salt,
 | 
			
		||||
            minValidSalt
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        // Check for missing txOrigin.
 | 
			
		||||
        if (order.txOrigin == address(0)) {
 | 
			
		||||
            orderInfo.status = LibNativeOrder.OrderStatus.INVALID;
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the canonical hash of a limit order.
 | 
			
		||||
@@ -733,7 +763,7 @@ contract NativeOrdersFeature is
 | 
			
		||||
        // a cancel. It's OK to cancel twice.
 | 
			
		||||
        stor.orderHashToTakerTokenFilledAmount[orderHash] |= HIGH_BIT;
 | 
			
		||||
 | 
			
		||||
        emit OrderCancelled(orderHash, msg.sender);
 | 
			
		||||
        emit OrderCancelled(orderHash, maker);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Fill a limit order. Private variant. Does not refund protocol fees.
 | 
			
		||||
@@ -811,12 +841,11 @@ contract NativeOrdersFeature is
 | 
			
		||||
                params.order.takerAmount,
 | 
			
		||||
                params.order.takerTokenFeeAmount
 | 
			
		||||
            ));
 | 
			
		||||
            LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
            _transferERC20Tokens(
 | 
			
		||||
                params.order.takerToken,
 | 
			
		||||
                params.taker,
 | 
			
		||||
                params.order.feeRecipient,
 | 
			
		||||
                uint256(results.takerTokenFeeFilledAmount),
 | 
			
		||||
                false
 | 
			
		||||
                uint256(results.takerTokenFeeFilledAmount)
 | 
			
		||||
            );
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
@@ -860,12 +889,26 @@ contract NativeOrdersFeature is
 | 
			
		||||
            ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Must be fillable by the tx.origin.
 | 
			
		||||
        if (order.txOrigin != address(0) && order.txOrigin != tx.origin) {
 | 
			
		||||
            LibNativeOrdersRichErrors.OrderNotFillableByOriginError(
 | 
			
		||||
        {
 | 
			
		||||
            LibNativeOrdersStorage.Storage storage stor =
 | 
			
		||||
                LibNativeOrdersStorage.getStorage();
 | 
			
		||||
 | 
			
		||||
            // Must be fillable by the tx.origin.
 | 
			
		||||
            if (order.txOrigin != tx.origin && !stor.originRegistry[order.txOrigin][tx.origin]) {
 | 
			
		||||
                LibNativeOrdersRichErrors.OrderNotFillableByOriginError(
 | 
			
		||||
                    orderInfo.orderHash,
 | 
			
		||||
                    tx.origin,
 | 
			
		||||
                    order.txOrigin
 | 
			
		||||
                ).rrevert();
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Must be fillable by the taker.
 | 
			
		||||
        if (order.taker != address(0) && order.taker != taker) {
 | 
			
		||||
            LibNativeOrdersRichErrors.OrderNotFillableByTakerError(
 | 
			
		||||
                orderInfo.orderHash,
 | 
			
		||||
                tx.origin,
 | 
			
		||||
                order.txOrigin
 | 
			
		||||
                taker,
 | 
			
		||||
                order.taker
 | 
			
		||||
            ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
@@ -881,9 +924,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Pay the protocol fee.
 | 
			
		||||
        results.ethProtocolFeePaid = _collectProtocolFee(order.pool);
 | 
			
		||||
 | 
			
		||||
        // Settle between the maker and taker.
 | 
			
		||||
        (results.takerTokenFilledAmount, results.makerTokenFilledAmount) = _settleOrder(
 | 
			
		||||
            SettleOrderInfo({
 | 
			
		||||
@@ -907,7 +947,6 @@ contract NativeOrdersFeature is
 | 
			
		||||
            address(order.takerToken),
 | 
			
		||||
            results.takerTokenFilledAmount,
 | 
			
		||||
            results.makerTokenFilledAmount,
 | 
			
		||||
            results.ethProtocolFeePaid,
 | 
			
		||||
            order.pool
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
@@ -948,21 +987,19 @@ contract NativeOrdersFeature is
 | 
			
		||||
                settleInfo.takerTokenFilledAmount.safeAdd128(takerTokenFilledAmount);
 | 
			
		||||
 | 
			
		||||
        // Transfer taker -> maker.
 | 
			
		||||
        LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
        _transferERC20Tokens(
 | 
			
		||||
            settleInfo.takerToken,
 | 
			
		||||
            settleInfo.taker,
 | 
			
		||||
            settleInfo.maker,
 | 
			
		||||
            takerTokenFilledAmount,
 | 
			
		||||
            false
 | 
			
		||||
            takerTokenFilledAmount
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        // Transfer maker -> taker.
 | 
			
		||||
        LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
        _transferERC20Tokens(
 | 
			
		||||
            settleInfo.makerToken,
 | 
			
		||||
            settleInfo.maker,
 | 
			
		||||
            settleInfo.taker,
 | 
			
		||||
            makerTokenFilledAmount,
 | 
			
		||||
            false
 | 
			
		||||
            makerTokenFilledAmount
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -56,7 +56,6 @@ contract SimpleFunctionRegistryFeature is
 | 
			
		||||
        // Register getters.
 | 
			
		||||
        _extend(this.getRollbackLength.selector, _implementation);
 | 
			
		||||
        _extend(this.getRollbackEntryAtIndex.selector, _implementation);
 | 
			
		||||
        _extend(this.getFunctionImplementation.selector, _implementation);
 | 
			
		||||
        return LibBootstrap.BOOTSTRAP_SUCCESS;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -152,18 +151,6 @@ contract SimpleFunctionRegistryFeature is
 | 
			
		||||
        return LibSimpleFunctionRegistryStorage.getStorage().implHistory[selector][idx];
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the implementation contract of a registered function.
 | 
			
		||||
    /// @param selector The function selector.
 | 
			
		||||
    /// @return impl The implementation contract address.
 | 
			
		||||
    function getFunctionImplementation(bytes4 selector)
 | 
			
		||||
        external
 | 
			
		||||
        override
 | 
			
		||||
        view
 | 
			
		||||
        returns (address impl)
 | 
			
		||||
    {
 | 
			
		||||
        return LibProxyStorage.getStorage().impls[selector];
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Register or replace a function.
 | 
			
		||||
    /// @param selector The function selector.
 | 
			
		||||
    /// @param impl The implementation contract for the function.
 | 
			
		||||
 
 | 
			
		||||
@@ -25,24 +25,24 @@ import "@0x/contracts-utils/contracts/src/v06/errors/LibRichErrorsV06.sol";
 | 
			
		||||
import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
 | 
			
		||||
import "../errors/LibTransformERC20RichErrors.sol";
 | 
			
		||||
import "../fixins/FixinCommon.sol";
 | 
			
		||||
import "../fixins/FixinTokenSpender.sol";
 | 
			
		||||
import "../migrations/LibMigrate.sol";
 | 
			
		||||
import "../external/IFlashWallet.sol";
 | 
			
		||||
import "../external/FlashWallet.sol";
 | 
			
		||||
import "../storage/LibTransformERC20Storage.sol";
 | 
			
		||||
import "../transformers/IERC20Transformer.sol";
 | 
			
		||||
import "../transformers/LibERC20Transformer.sol";
 | 
			
		||||
import "./libs/LibSignedCallData.sol";
 | 
			
		||||
import "./ITransformERC20Feature.sol";
 | 
			
		||||
import "./IFeature.sol";
 | 
			
		||||
import "./ISignatureValidatorFeature.sol";
 | 
			
		||||
import "./libs/LibTokenSpender.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev Feature to composably transform between ERC20 tokens.
 | 
			
		||||
contract TransformERC20Feature is
 | 
			
		||||
    IFeature,
 | 
			
		||||
    ITransformERC20Feature,
 | 
			
		||||
    FixinCommon
 | 
			
		||||
    FixinCommon,
 | 
			
		||||
    FixinTokenSpender
 | 
			
		||||
{
 | 
			
		||||
    using LibSafeMathV06 for uint256;
 | 
			
		||||
    using LibRichErrorsV06 for bytes;
 | 
			
		||||
@@ -60,6 +60,11 @@ contract TransformERC20Feature is
 | 
			
		||||
    /// @dev Version of this feature.
 | 
			
		||||
    uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 3, 1);
 | 
			
		||||
 | 
			
		||||
    constructor(bytes32 greedyTokensBloomFilter)
 | 
			
		||||
        public
 | 
			
		||||
        FixinTokenSpender(greedyTokensBloomFilter)
 | 
			
		||||
    {}
 | 
			
		||||
 | 
			
		||||
    /// @dev Initialize and register this feature.
 | 
			
		||||
    ///      Should be delegatecalled by `Migrate.migrate()`.
 | 
			
		||||
    /// @param transformerDeployer The trusted deployer for transformers.
 | 
			
		||||
@@ -171,8 +176,6 @@ contract TransformERC20Feature is
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint256 outputTokenAmount)
 | 
			
		||||
    {
 | 
			
		||||
        (bytes32 callDataHash, bytes memory callDataSignature) =
 | 
			
		||||
            LibSignedCallData.parseCallData(msg.data);
 | 
			
		||||
        return _transformERC20Private(
 | 
			
		||||
            TransformERC20Args({
 | 
			
		||||
                taker: msg.sender,
 | 
			
		||||
@@ -180,9 +183,7 @@ contract TransformERC20Feature is
 | 
			
		||||
                outputToken: outputToken,
 | 
			
		||||
                inputTokenAmount: inputTokenAmount,
 | 
			
		||||
                minOutputTokenAmount: minOutputTokenAmount,
 | 
			
		||||
                transformations: transformations,
 | 
			
		||||
                callDataHash: callDataHash,
 | 
			
		||||
                callDataSignature: callDataSignature
 | 
			
		||||
                transformations: transformations
 | 
			
		||||
            })
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
@@ -208,13 +209,19 @@ contract TransformERC20Feature is
 | 
			
		||||
        private
 | 
			
		||||
        returns (uint256 outputTokenAmount)
 | 
			
		||||
    {
 | 
			
		||||
        // If the input token amount is -1, transform the taker's entire
 | 
			
		||||
        // spendable balance.
 | 
			
		||||
        // If the input token amount is -1 and we are not selling ETH,
 | 
			
		||||
        // transform the taker's entire spendable balance.
 | 
			
		||||
        if (args.inputTokenAmount == uint256(-1)) {
 | 
			
		||||
            args.inputTokenAmount = LibTokenSpender.getSpendableERC20BalanceOf(
 | 
			
		||||
                args.inputToken,
 | 
			
		||||
                args.taker
 | 
			
		||||
            );
 | 
			
		||||
            if (LibERC20Transformer.isTokenETH(args.inputToken)) {
 | 
			
		||||
                // We can't pull more ETH from the taker, so we just set the
 | 
			
		||||
                // input token amount to the value attached to the call.
 | 
			
		||||
                args.inputTokenAmount = msg.value;
 | 
			
		||||
            } else {
 | 
			
		||||
                args.inputTokenAmount = _getSpendableERC20BalanceOf(
 | 
			
		||||
                    args.inputToken,
 | 
			
		||||
                    args.taker
 | 
			
		||||
                );
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        TransformERC20PrivateState memory state;
 | 
			
		||||
@@ -234,22 +241,13 @@ contract TransformERC20Feature is
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        {
 | 
			
		||||
            // Validate that the calldata was signed by the quote signer.
 | 
			
		||||
            // `validCallDataHash` will be 0x0 if not.
 | 
			
		||||
            bytes32 validCallDataHash = _getValidCallDataHash(
 | 
			
		||||
                args.callDataHash,
 | 
			
		||||
                args.callDataSignature
 | 
			
		||||
            );
 | 
			
		||||
            // Perform transformations.
 | 
			
		||||
            for (uint256 i = 0; i < args.transformations.length; ++i) {
 | 
			
		||||
                _executeTransformation(
 | 
			
		||||
                    state.wallet,
 | 
			
		||||
                    args.transformations[i],
 | 
			
		||||
                    state.transformerDeployer,
 | 
			
		||||
                    args.taker,
 | 
			
		||||
                    // Transformers will receive a null calldata hash if
 | 
			
		||||
                    // the calldata was not properly signed.
 | 
			
		||||
                    validCallDataHash
 | 
			
		||||
                    args.taker
 | 
			
		||||
                );
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
@@ -317,12 +315,11 @@ contract TransformERC20Feature is
 | 
			
		||||
        // Transfer input tokens.
 | 
			
		||||
        if (!LibERC20Transformer.isTokenETH(inputToken)) {
 | 
			
		||||
            // Token is not ETH, so pull ERC20 tokens.
 | 
			
		||||
            LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
            _transferERC20Tokens(
 | 
			
		||||
                inputToken,
 | 
			
		||||
                from,
 | 
			
		||||
                to,
 | 
			
		||||
                amount,
 | 
			
		||||
                true
 | 
			
		||||
                amount
 | 
			
		||||
            );
 | 
			
		||||
        } else if (msg.value < amount) {
 | 
			
		||||
             // Token is ETH, so the caller must attach enough ETH to the call.
 | 
			
		||||
@@ -338,13 +335,11 @@ contract TransformERC20Feature is
 | 
			
		||||
    /// @param transformation The transformation.
 | 
			
		||||
    /// @param transformerDeployer The address of the transformer deployer.
 | 
			
		||||
    /// @param taker The taker address.
 | 
			
		||||
    /// @param callDataHash Hash of the calldata.
 | 
			
		||||
    function _executeTransformation(
 | 
			
		||||
        IFlashWallet wallet,
 | 
			
		||||
        Transformation memory transformation,
 | 
			
		||||
        address transformerDeployer,
 | 
			
		||||
        address payable taker,
 | 
			
		||||
        bytes32 callDataHash
 | 
			
		||||
        address payable taker
 | 
			
		||||
    )
 | 
			
		||||
        private
 | 
			
		||||
    {
 | 
			
		||||
@@ -361,7 +356,6 @@ contract TransformERC20Feature is
 | 
			
		||||
            abi.encodeWithSelector(
 | 
			
		||||
                IERC20Transformer.transform.selector,
 | 
			
		||||
                IERC20Transformer.TransformContext({
 | 
			
		||||
                    callDataHash: callDataHash,
 | 
			
		||||
                    sender: msg.sender,
 | 
			
		||||
                    taker: taker,
 | 
			
		||||
                    data: transformation.data
 | 
			
		||||
 
 | 
			
		||||
@@ -38,6 +38,8 @@ contract UniswapFeature is
 | 
			
		||||
    string public constant override FEATURE_NAME = "UniswapFeature";
 | 
			
		||||
    /// @dev Version of this feature.
 | 
			
		||||
    uint256 public immutable override FEATURE_VERSION = _encodeVersion(1, 1, 0);
 | 
			
		||||
    /// @dev A bloom filter for tokens that consume all gas when `transferFrom()` fails.
 | 
			
		||||
    bytes32 public immutable GREEDY_TOKENS_BLOOM_FILTER;
 | 
			
		||||
    /// @dev WETH contract.
 | 
			
		||||
    IEtherTokenV06 private immutable WETH;
 | 
			
		||||
    /// @dev AllowanceTarget instance.
 | 
			
		||||
@@ -66,6 +68,8 @@ contract UniswapFeature is
 | 
			
		||||
    uint256 constant private UNISWAP_PAIR_SWAP_CALL_SELECTOR_32 = 0x022c0d9f00000000000000000000000000000000000000000000000000000000;
 | 
			
		||||
    // bytes4(keccak256("transferFrom(address,address,uint256)"))
 | 
			
		||||
    uint256 constant private TRANSFER_FROM_CALL_SELECTOR_32 = 0x23b872dd00000000000000000000000000000000000000000000000000000000;
 | 
			
		||||
    // bytes4(keccak256("allowance(address,address)"))
 | 
			
		||||
    uint256 constant private ALLOWANCE_CALL_SELECTOR_32 = 0xdd62ed3e00000000000000000000000000000000000000000000000000000000;
 | 
			
		||||
    // bytes4(keccak256("withdraw(uint256)"))
 | 
			
		||||
    uint256 constant private WETH_WITHDRAW_CALL_SELECTOR_32 = 0x2e1a7d4d00000000000000000000000000000000000000000000000000000000;
 | 
			
		||||
    // bytes4(keccak256("deposit()"))
 | 
			
		||||
@@ -76,9 +80,15 @@ contract UniswapFeature is
 | 
			
		||||
    /// @dev Construct this contract.
 | 
			
		||||
    /// @param weth The WETH contract.
 | 
			
		||||
    /// @param allowanceTarget The AllowanceTarget contract.
 | 
			
		||||
    constructor(IEtherTokenV06 weth, IAllowanceTarget allowanceTarget) public {
 | 
			
		||||
    /// @param greedyTokensBloomFilter The bloom filter for greedy tokens.
 | 
			
		||||
    constructor(
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IAllowanceTarget allowanceTarget,
 | 
			
		||||
        bytes32 greedyTokensBloomFilter
 | 
			
		||||
    ) public {
 | 
			
		||||
        WETH = weth;
 | 
			
		||||
        ALLOWANCE_TARGET = allowanceTarget;
 | 
			
		||||
        GREEDY_TOKENS_BLOOM_FILTER = greedyTokensBloomFilter;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Initialize and register this feature.
 | 
			
		||||
@@ -114,6 +124,7 @@ contract UniswapFeature is
 | 
			
		||||
            // Load immutables onto the stack.
 | 
			
		||||
            IEtherTokenV06 weth = WETH;
 | 
			
		||||
            IAllowanceTarget allowanceTarget = ALLOWANCE_TARGET;
 | 
			
		||||
            bytes32 greedyTokensBloomFilter = GREEDY_TOKENS_BLOOM_FILTER;
 | 
			
		||||
 | 
			
		||||
            // Store some vars in memory to get around stack limits.
 | 
			
		||||
            assembly {
 | 
			
		||||
@@ -125,6 +136,8 @@ contract UniswapFeature is
 | 
			
		||||
                mstore(0xA40, weth)
 | 
			
		||||
                // mload(0xA60) == ALLOWANCE_TARGET
 | 
			
		||||
                mstore(0xA60, allowanceTarget)
 | 
			
		||||
                // mload(0xA80) == GREEDY_TOKENS_BLOOM_FILTER
 | 
			
		||||
                mstore(0xA80, greedyTokensBloomFilter)
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
@@ -155,52 +168,10 @@ contract UniswapFeature is
 | 
			
		||||
 | 
			
		||||
                if iszero(i) {
 | 
			
		||||
                    switch eq(sellToken, ETH_TOKEN_ADDRESS_32)
 | 
			
		||||
                        case 0 {
 | 
			
		||||
                        case 0 { // Not selling ETH. Selling an ERC20 instead.
 | 
			
		||||
                            // For the first pair we need to transfer sellTokens into the
 | 
			
		||||
                            // 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()
 | 
			
		||||
                                }
 | 
			
		||||
                            }
 | 
			
		||||
                            moveTakerTokensTo(sellToken, pair, sellAmount)
 | 
			
		||||
                        }
 | 
			
		||||
                        default {
 | 
			
		||||
                            // If selling ETH, we need to wrap it to WETH and transfer to the
 | 
			
		||||
@@ -389,6 +360,108 @@ contract UniswapFeature is
 | 
			
		||||
                returndatacopy(0, 0, returndatasize())
 | 
			
		||||
                revert(0, returndatasize())
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Move `amount` tokens from the taker/caller to `to`.
 | 
			
		||||
            function moveTakerTokensTo(token, to, amount) {
 | 
			
		||||
 | 
			
		||||
                // If the token is possibly greedy, we check the allowance rather
 | 
			
		||||
                // than relying on letting the transferFrom() call fail and
 | 
			
		||||
                // falling through to legacy allowance target because the token
 | 
			
		||||
                // will eat all our gas.
 | 
			
		||||
                if isTokenPossiblyGreedy(token) {
 | 
			
		||||
                    // Check if we have enough direct allowance by calling
 | 
			
		||||
                    // `token.allowance()``
 | 
			
		||||
                    mstore(0xB00, ALLOWANCE_CALL_SELECTOR_32)
 | 
			
		||||
                    mstore(0xB04, caller())
 | 
			
		||||
                    mstore(0xB24, address())
 | 
			
		||||
                    let success := call(gas(), token, 0, 0xB00, 0x44, 0xC00, 0x20)
 | 
			
		||||
                    if iszero(success) {
 | 
			
		||||
                        // Call to allowance() failed.
 | 
			
		||||
                        bubbleRevert()
 | 
			
		||||
                    }
 | 
			
		||||
                    // Call succeeded.
 | 
			
		||||
                    // Result is stored in 0xC00-0xC20.
 | 
			
		||||
                    if lt(mload(0xC00), amount) {
 | 
			
		||||
                        // We don't have enough direct allowance, so try
 | 
			
		||||
                        // going through the legacy allowance taregt.
 | 
			
		||||
                        moveTakerTokensToWithLegacyAllowanceTarget(token, to, amount)
 | 
			
		||||
                        leave
 | 
			
		||||
                    }
 | 
			
		||||
                }
 | 
			
		||||
 | 
			
		||||
                // Otherwise we will optimistically try to perform a `transferFrom()`
 | 
			
		||||
                // directly then if it fails we will go through the legacy allowance target.
 | 
			
		||||
                mstore(0xB00, TRANSFER_FROM_CALL_SELECTOR_32)
 | 
			
		||||
                mstore(0xB04, caller())
 | 
			
		||||
                mstore(0xB24, to)
 | 
			
		||||
                mstore(0xB44, amount)
 | 
			
		||||
 | 
			
		||||
                let success := call(
 | 
			
		||||
                    // Cap the gas limit to prvent all gas being consumed
 | 
			
		||||
                    // if the token reverts.
 | 
			
		||||
                    gas(),
 | 
			
		||||
                    token,
 | 
			
		||||
                    0,
 | 
			
		||||
                    0xB00,
 | 
			
		||||
                    0x64,
 | 
			
		||||
                    0xC00,
 | 
			
		||||
                    // 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.
 | 
			
		||||
                    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.
 | 
			
		||||
                    moveTakerTokensToWithLegacyAllowanceTarget(token, to, amount)
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Move tokens by going through the legacy allowance target contract.
 | 
			
		||||
            function moveTakerTokensToWithLegacyAllowanceTarget(token, to, amount) {
 | 
			
		||||
                mstore(0xB00, ALLOWANCE_TARGET_EXECUTE_CALL_SELECTOR_32)
 | 
			
		||||
                mstore(0xB04, token)
 | 
			
		||||
                mstore(0xB24, 0x40)
 | 
			
		||||
                mstore(0xB44, 0x64)
 | 
			
		||||
                mstore(0xB64, TRANSFER_FROM_CALL_SELECTOR_32)
 | 
			
		||||
                mstore(0xB68, caller())
 | 
			
		||||
                mstore(0xB88, to)
 | 
			
		||||
                mstore(0xBA8, amount)
 | 
			
		||||
                if iszero(call(gas(), mload(0xA60), 0, 0xB00, 0xC8, 0x00, 0x0)) {
 | 
			
		||||
                    bubbleRevert()
 | 
			
		||||
                }
 | 
			
		||||
                // If this fall back failed, the swap will most likely fail
 | 
			
		||||
                // so there's no need to validate the result.
 | 
			
		||||
            }
 | 
			
		||||
 | 
			
		||||
            // Checks if a token possibly belongs to the GREEDY_TOKENS_BLOOM_FILTER
 | 
			
		||||
            // bloom filter.
 | 
			
		||||
            function isTokenPossiblyGreedy(token) -> isPossiblyGreedy {
 | 
			
		||||
                // The hash is given by:
 | 
			
		||||
                // (1 << (keccak256(token) % 256)) | (1 << (token % 256))
 | 
			
		||||
                mstore(0, token)
 | 
			
		||||
                let h := or(shl(mod(keccak256(0, 32), 256), 1), shl(mod(token, 256), 1))
 | 
			
		||||
                isPossiblyGreedy := eq(and(h, mload(0xA80)), h)
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // Revert if we bought too little.
 | 
			
		||||
 
 | 
			
		||||
@@ -56,6 +56,7 @@ library LibNativeOrder {
 | 
			
		||||
        uint128 makerAmount;
 | 
			
		||||
        uint128 takerAmount;
 | 
			
		||||
        address maker;
 | 
			
		||||
        address taker;
 | 
			
		||||
        address txOrigin;
 | 
			
		||||
        bytes32 pool;
 | 
			
		||||
        uint64 expiry;
 | 
			
		||||
@@ -102,13 +103,14 @@ library LibNativeOrder {
 | 
			
		||||
    //       "uint128 takerAmount,",
 | 
			
		||||
    //       "address maker,",
 | 
			
		||||
    //       "address txOrigin,",
 | 
			
		||||
    //       "address taker,",
 | 
			
		||||
    //       "bytes32 pool,",
 | 
			
		||||
    //       "uint64 expiry,",
 | 
			
		||||
    //       "uint256 salt"
 | 
			
		||||
    //     ")"
 | 
			
		||||
    // ))
 | 
			
		||||
    uint256 private constant _RFQ_ORDER_TYPEHASH =
 | 
			
		||||
        0xc6b3034376598bc7f28b05e81db7ed88486dcdb6b4a6c7300353fffc5f31f382;
 | 
			
		||||
        0xe593d3fdfa8b60e5e17a1b2204662ecbe15c23f2084b9ad5bae40359540a7da9;
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the struct hash of a limit order.
 | 
			
		||||
    /// @param order The limit order.
 | 
			
		||||
@@ -181,6 +183,7 @@ library LibNativeOrder {
 | 
			
		||||
        //   order.makerAmount,
 | 
			
		||||
        //   order.takerAmount,
 | 
			
		||||
        //   order.maker,
 | 
			
		||||
        //   order.taker,
 | 
			
		||||
        //   order.txOrigin,
 | 
			
		||||
        //   order.pool,
 | 
			
		||||
        //   order.expiry,
 | 
			
		||||
@@ -199,15 +202,17 @@ library LibNativeOrder {
 | 
			
		||||
            mstore(add(mem, 0x80), and(UINT_128_MASK, mload(add(order, 0x60))))
 | 
			
		||||
            // order.maker;
 | 
			
		||||
            mstore(add(mem, 0xA0), and(ADDRESS_MASK, mload(add(order, 0x80))))
 | 
			
		||||
            // order.txOrigin;
 | 
			
		||||
            // order.taker;
 | 
			
		||||
            mstore(add(mem, 0xC0), and(ADDRESS_MASK, mload(add(order, 0xA0))))
 | 
			
		||||
            // order.txOrigin;
 | 
			
		||||
            mstore(add(mem, 0xE0), and(ADDRESS_MASK, mload(add(order, 0xC0))))
 | 
			
		||||
            // order.pool;
 | 
			
		||||
            mstore(add(mem, 0xE0), mload(add(order, 0xC0)))
 | 
			
		||||
            mstore(add(mem, 0x100), mload(add(order, 0xE0)))
 | 
			
		||||
            // order.expiry;
 | 
			
		||||
            mstore(add(mem, 0x100), and(UINT_64_MASK, mload(add(order, 0xE0))))
 | 
			
		||||
            mstore(add(mem, 0x120), and(UINT_64_MASK, mload(add(order, 0x100))))
 | 
			
		||||
            // order.salt;
 | 
			
		||||
            mstore(add(mem, 0x120), mload(add(order, 0x100)))
 | 
			
		||||
            structHash := keccak256(mem, 0x140)
 | 
			
		||||
            mstore(add(mem, 0x140), mload(add(order, 0x120)))
 | 
			
		||||
            structHash := keccak256(mem, 0x160)
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -38,7 +38,7 @@ library LibSignature {
 | 
			
		||||
    ///      The valid range is given by fig (283) of the yellow paper.
 | 
			
		||||
    uint256 private constant ECDSA_SIGNATURE_S_LIMIT = ECDSA_SIGNATURE_R_LIMIT / 2 + 1;
 | 
			
		||||
 | 
			
		||||
   /// @dev Allowed signature types.
 | 
			
		||||
    /// @dev Allowed signature types.
 | 
			
		||||
    enum SignatureType {
 | 
			
		||||
        ILLEGAL,
 | 
			
		||||
        INVALID,
 | 
			
		||||
 
 | 
			
		||||
@@ -1,72 +0,0 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  Copyright 2020 ZeroEx Intl.
 | 
			
		||||
 | 
			
		||||
  Licensed under the Apache License, Version 2.0 (the "License");
 | 
			
		||||
  you may not use this file except in compliance with the License.
 | 
			
		||||
  You may obtain a copy of the License at
 | 
			
		||||
 | 
			
		||||
    http://www.apache.org/licenses/LICENSE-2.0
 | 
			
		||||
 | 
			
		||||
  Unless required by applicable law or agreed to in writing, software
 | 
			
		||||
  distributed under the License is distributed on an "AS IS" BASIS,
 | 
			
		||||
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
			
		||||
  See the License for the specific language governing permissions and
 | 
			
		||||
  limitations under the License.
 | 
			
		||||
 | 
			
		||||
*/
 | 
			
		||||
 | 
			
		||||
pragma solidity ^0.6.5;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-utils/contracts/src/v06/LibBytesV06.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev Library for working with signed calldata.
 | 
			
		||||
library LibSignedCallData {
 | 
			
		||||
    using LibBytesV06 for bytes;
 | 
			
		||||
 | 
			
		||||
    // bytes4(keccak256('SignedCallDataSignature(bytes)'))
 | 
			
		||||
    bytes4 constant private SIGNATURE_SELECTOR = 0xf86d1d92;
 | 
			
		||||
 | 
			
		||||
    /// @dev Try to parse potentially signed calldata into its hash and signature
 | 
			
		||||
    ///      components. Signed calldata has signature data appended to it.
 | 
			
		||||
    /// @param callData the raw call data.
 | 
			
		||||
    /// @return callDataHash If a signature is detected, this will be the hash of
 | 
			
		||||
    ///         the bytes preceding the signature data. Otherwise, this
 | 
			
		||||
    ///         will be the hash of the entire `callData`.
 | 
			
		||||
    /// @return signature The signature bytes, if present.
 | 
			
		||||
    function parseCallData(bytes memory callData)
 | 
			
		||||
        internal
 | 
			
		||||
        pure
 | 
			
		||||
        returns (bytes32 callDataHash, bytes memory signature)
 | 
			
		||||
    {
 | 
			
		||||
        // Signed calldata has a 70 byte signature appended as:
 | 
			
		||||
        // ```
 | 
			
		||||
        //   abi.encodePacked(
 | 
			
		||||
        //     callData,
 | 
			
		||||
        //     bytes4(keccak256('SignedCallDataSignature(bytes)')),
 | 
			
		||||
        //     signature // 66 bytes
 | 
			
		||||
        //   );
 | 
			
		||||
        // ```
 | 
			
		||||
 | 
			
		||||
        // Try to detect an appended signature. This isn't foolproof, but an
 | 
			
		||||
        // accidental false positive should highly unlikely. Additinally, the
 | 
			
		||||
        // signature would also have to pass verification, so the risk here is
 | 
			
		||||
        // low.
 | 
			
		||||
        if (
 | 
			
		||||
            // Signed callData has to be at least 70 bytes long.
 | 
			
		||||
            callData.length < 70 ||
 | 
			
		||||
            // The bytes4 at offset -70 should equal `SIGNATURE_SELECTOR`.
 | 
			
		||||
            SIGNATURE_SELECTOR != callData.readBytes4(callData.length - 70)
 | 
			
		||||
        ) {
 | 
			
		||||
            return (keccak256(callData), signature);
 | 
			
		||||
        }
 | 
			
		||||
        // Consider everything before the signature selector as the original
 | 
			
		||||
        // calldata and everything after as the signature.
 | 
			
		||||
        assembly {
 | 
			
		||||
            callDataHash := keccak256(add(callData, 32), sub(mload(callData), 70))
 | 
			
		||||
        }
 | 
			
		||||
        signature = callData.slice(callData.length - 66, callData.length);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -21,14 +21,18 @@ pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IEtherTokenV06.sol";
 | 
			
		||||
import "../external/FeeCollector.sol";
 | 
			
		||||
import "../features/libs/LibTokenSpender.sol";
 | 
			
		||||
import "../external/FeeCollectorController.sol";
 | 
			
		||||
import "../external/LibFeeCollector.sol";
 | 
			
		||||
import "../vendor/v3/IStaking.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev Helpers for collecting protocol fees.
 | 
			
		||||
abstract contract FixinProtocolFees {
 | 
			
		||||
 | 
			
		||||
    /// @dev The protocol fee multiplier.
 | 
			
		||||
    uint32 public immutable PROTOCOL_FEE_MULTIPLIER;
 | 
			
		||||
    /// @dev The `FeeCollectorController` contract.
 | 
			
		||||
    FeeCollectorController private immutable FEE_COLLECTOR_CONTROLLER;
 | 
			
		||||
    /// @dev Hash of the fee collector init code.
 | 
			
		||||
    bytes32 private immutable FEE_COLLECTOR_INIT_CODE_HASH;
 | 
			
		||||
    /// @dev The WETH token contract.
 | 
			
		||||
@@ -39,11 +43,14 @@ abstract contract FixinProtocolFees {
 | 
			
		||||
    constructor(
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IStaking staking,
 | 
			
		||||
        FeeCollectorController feeCollectorController,
 | 
			
		||||
        uint32 protocolFeeMultiplier
 | 
			
		||||
    )
 | 
			
		||||
        internal
 | 
			
		||||
    {
 | 
			
		||||
        FEE_COLLECTOR_INIT_CODE_HASH = keccak256(type(FeeCollector).creationCode);
 | 
			
		||||
        FEE_COLLECTOR_CONTROLLER = feeCollectorController;
 | 
			
		||||
        FEE_COLLECTOR_INIT_CODE_HASH =
 | 
			
		||||
            feeCollectorController.FEE_COLLECTOR_INIT_CODE_HASH();
 | 
			
		||||
        WETH = weth;
 | 
			
		||||
        STAKING = staking;
 | 
			
		||||
        PROTOCOL_FEE_MULTIPLIER = protocolFeeMultiplier;
 | 
			
		||||
@@ -73,23 +80,11 @@ abstract contract FixinProtocolFees {
 | 
			
		||||
    function _transferFeesForPool(bytes32 poolId)
 | 
			
		||||
        internal
 | 
			
		||||
    {
 | 
			
		||||
        FeeCollector feeCollector = _getFeeCollector(poolId);
 | 
			
		||||
 | 
			
		||||
        uint256 codeSize;
 | 
			
		||||
        assembly {
 | 
			
		||||
            codeSize := extcodesize(feeCollector)
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        if (codeSize == 0) {
 | 
			
		||||
            // Create and initialize the contract if necessary.
 | 
			
		||||
            new FeeCollector{salt: bytes32(poolId)}();
 | 
			
		||||
            feeCollector.initialize(WETH, STAKING, poolId);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        if (address(feeCollector).balance > 1) {
 | 
			
		||||
            feeCollector.convertToWeth(WETH);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        // This will create a FeeCollector contract (if necessary) and wrap
 | 
			
		||||
        // fees for the pool ID.
 | 
			
		||||
        FeeCollector feeCollector =
 | 
			
		||||
            FEE_COLLECTOR_CONTROLLER.prepareFeeCollectorToPayFees(poolId);
 | 
			
		||||
        // All fees in the fee collector should be in WETH now.
 | 
			
		||||
        uint256 bal = WETH.balanceOf(address(feeCollector));
 | 
			
		||||
        if (bal > 1) {
 | 
			
		||||
            // Leave 1 wei behind to avoid high SSTORE cost of zero-->non-zero.
 | 
			
		||||
@@ -107,14 +102,11 @@ abstract contract FixinProtocolFees {
 | 
			
		||||
        view
 | 
			
		||||
        returns (FeeCollector)
 | 
			
		||||
    {
 | 
			
		||||
        // Compute the CREATE2 address for the fee collector.
 | 
			
		||||
        address payable addr = address(uint256(keccak256(abi.encodePacked(
 | 
			
		||||
            byte(0xff),
 | 
			
		||||
            address(this),
 | 
			
		||||
            poolId, // pool ID is salt
 | 
			
		||||
            FEE_COLLECTOR_INIT_CODE_HASH
 | 
			
		||||
        ))));
 | 
			
		||||
        return FeeCollector(addr);
 | 
			
		||||
        return FeeCollector(LibFeeCollector.getFeeCollectorAddress(
 | 
			
		||||
            address(FEE_COLLECTOR_CONTROLLER),
 | 
			
		||||
            FEE_COLLECTOR_INIT_CODE_HASH,
 | 
			
		||||
            poolId
 | 
			
		||||
        ));
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the cost of a single protocol fee.
 | 
			
		||||
 
 | 
			
		||||
@@ -19,48 +19,64 @@
 | 
			
		||||
pragma solidity ^0.6.5;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IEtherTokenV06.sol";
 | 
			
		||||
import "@0x/contracts-utils/contracts/src/v06/LibSafeMathV06.sol";
 | 
			
		||||
import "../../errors/LibSpenderRichErrors.sol";
 | 
			
		||||
import "../ITokenSpenderFeature.sol";
 | 
			
		||||
import "../features/ITokenSpenderFeature.sol";
 | 
			
		||||
import "../errors/LibSpenderRichErrors.sol";
 | 
			
		||||
import "../external/FeeCollector.sol";
 | 
			
		||||
import "../vendor/v3/IStaking.sol";
 | 
			
		||||
import "../vendor/v3/IStaking.sol";
 | 
			
		||||
 | 
			
		||||
library LibTokenSpender {
 | 
			
		||||
 | 
			
		||||
/// @dev Helpers for moving tokens around.
 | 
			
		||||
abstract contract FixinTokenSpender {
 | 
			
		||||
    using LibRichErrorsV06 for bytes;
 | 
			
		||||
 | 
			
		||||
    // Mask of the lower 20 bytes of a bytes32.
 | 
			
		||||
    uint256 constant private ADDRESS_MASK = 0x000000000000000000000000ffffffffffffffffffffffffffffffffffffffff;
 | 
			
		||||
    /// @dev A bloom filter for tokens that consume all gas when `transferFrom()` fails.
 | 
			
		||||
    bytes32 public immutable GREEDY_TOKENS_BLOOM_FILTER;
 | 
			
		||||
 | 
			
		||||
    /// @param greedyTokensBloomFilter The bloom filter for all greedy tokens.
 | 
			
		||||
    constructor(bytes32 greedyTokensBloomFilter)
 | 
			
		||||
        internal
 | 
			
		||||
    {
 | 
			
		||||
        GREEDY_TOKENS_BLOOM_FILTER = greedyTokensBloomFilter;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @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.
 | 
			
		||||
    /// @param checkAllowance Whether or not to check the owner's allowance
 | 
			
		||||
    ///        prior to attempting the transfer.
 | 
			
		||||
    function spendERC20Tokens(
 | 
			
		||||
    function _transferERC20Tokens(
 | 
			
		||||
        IERC20TokenV06 token,
 | 
			
		||||
        address owner,
 | 
			
		||||
        address to,
 | 
			
		||||
        uint256 amount,
 | 
			
		||||
        bool checkAllowance
 | 
			
		||||
        uint256 amount
 | 
			
		||||
    )
 | 
			
		||||
        internal
 | 
			
		||||
    {
 | 
			
		||||
        bool success;
 | 
			
		||||
        bytes memory revertData;
 | 
			
		||||
 | 
			
		||||
        require(address(token) != address(this), "LibTokenSpender/CANNOT_INVOKE_SELF");
 | 
			
		||||
        require(address(token) != address(this), "FixinTokenSpender/CANNOT_INVOKE_SELF");
 | 
			
		||||
 | 
			
		||||
        if (checkAllowance) {
 | 
			
		||||
            // If the owner doesn't have a sufficient allowance set on `address(this)`,
 | 
			
		||||
            // try the old AllowanceTarget.
 | 
			
		||||
        // If the token eats all gas when failing, we do not want to perform
 | 
			
		||||
        // optimistic fall through to the old AllowanceTarget contract if the
 | 
			
		||||
        // direct transferFrom() fails.
 | 
			
		||||
        if (_isTokenPossiblyGreedy(token)) {
 | 
			
		||||
            // If the token does not have a direct allowance on us then we use
 | 
			
		||||
            // the allowance target.
 | 
			
		||||
            if (token.allowance(owner, address(this)) < amount) {
 | 
			
		||||
                return ITokenSpenderFeature(address(this))._spendERC20Tokens(
 | 
			
		||||
                _transferFromLegacyAllowanceTarget(
 | 
			
		||||
                    token,
 | 
			
		||||
                    owner,
 | 
			
		||||
                    to,
 | 
			
		||||
                    amount
 | 
			
		||||
                    amount,
 | 
			
		||||
                    ""
 | 
			
		||||
                );
 | 
			
		||||
                return;
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
@@ -73,7 +89,15 @@ library LibTokenSpender {
 | 
			
		||||
            mstore(add(ptr, 0x24), and(to, ADDRESS_MASK))
 | 
			
		||||
            mstore(add(ptr, 0x44), amount)
 | 
			
		||||
 | 
			
		||||
            success := call(gas(), and(token, ADDRESS_MASK), 0, ptr, 0x64, 0, 0)
 | 
			
		||||
            success := call(
 | 
			
		||||
                gas(),
 | 
			
		||||
                and(token, ADDRESS_MASK),
 | 
			
		||||
                0,
 | 
			
		||||
                ptr,
 | 
			
		||||
                0x64,
 | 
			
		||||
                0,
 | 
			
		||||
                0
 | 
			
		||||
            )
 | 
			
		||||
 | 
			
		||||
            let rdsize := returndatasize()
 | 
			
		||||
 | 
			
		||||
@@ -104,25 +128,13 @@ library LibTokenSpender {
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        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();
 | 
			
		||||
            }
 | 
			
		||||
            _transferFromLegacyAllowanceTarget(
 | 
			
		||||
                token,
 | 
			
		||||
                owner,
 | 
			
		||||
                to,
 | 
			
		||||
                amount,
 | 
			
		||||
                revertData
 | 
			
		||||
            );
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -131,7 +143,7 @@ library LibTokenSpender {
 | 
			
		||||
    /// @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(
 | 
			
		||||
    function _getSpendableERC20BalanceOf(
 | 
			
		||||
        IERC20TokenV06 token,
 | 
			
		||||
        address owner
 | 
			
		||||
    )
 | 
			
		||||
@@ -144,4 +156,53 @@ library LibTokenSpender {
 | 
			
		||||
            token.balanceOf(owner)
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Check if a token possibly belongs to the `GREEDY_TOKENS_BLOOM_FILTER`
 | 
			
		||||
    ///      bloom filter.
 | 
			
		||||
    function _isTokenPossiblyGreedy(IERC20TokenV06 token)
 | 
			
		||||
        internal
 | 
			
		||||
        view
 | 
			
		||||
        returns (bool isPossiblyGreedy)
 | 
			
		||||
    {
 | 
			
		||||
        // The hash is given by:
 | 
			
		||||
        // (1 << (keccak256(token) % 256)) | (1 << (token % 256))
 | 
			
		||||
        bytes32 h;
 | 
			
		||||
        assembly {
 | 
			
		||||
            mstore(0, token)
 | 
			
		||||
            h := or(shl(mod(keccak256(0, 32), 256), 1), shl(mod(token, 256), 1))
 | 
			
		||||
        }
 | 
			
		||||
        return (h & GREEDY_TOKENS_BLOOM_FILTER) == h;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Transfer tokens using the legacy allowance target instead of
 | 
			
		||||
    ///      allowances directly set on the exchange proxy.
 | 
			
		||||
    function _transferFromLegacyAllowanceTarget(
 | 
			
		||||
        IERC20TokenV06 token,
 | 
			
		||||
        address owner,
 | 
			
		||||
        address to,
 | 
			
		||||
        uint256 amount,
 | 
			
		||||
        bytes memory initialRevertData
 | 
			
		||||
    )
 | 
			
		||||
        private
 | 
			
		||||
    {
 | 
			
		||||
        // Try the old AllowanceTarget.
 | 
			
		||||
        try ITokenSpenderFeature(address(this))._spendERC20Tokens(
 | 
			
		||||
                token,
 | 
			
		||||
                owner,
 | 
			
		||||
                to,
 | 
			
		||||
                amount
 | 
			
		||||
            ) {
 | 
			
		||||
        } catch (bytes memory revertData) {
 | 
			
		||||
            // 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,
 | 
			
		||||
                initialRevertData.length != 0 ? initialRevertData : revertData
 | 
			
		||||
            ).rrevert();
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -39,6 +39,9 @@ library LibNativeOrdersStorage {
 | 
			
		||||
        // for RFQ orders.
 | 
			
		||||
        mapping(address => mapping(address => mapping(address => uint256)))
 | 
			
		||||
            rfqOrdersMakerToMakerTokenToTakerTokenToMinValidOrderSalt;
 | 
			
		||||
        // For a given order origin, which tx.origin addresses are allowed to
 | 
			
		||||
        // fill the order.
 | 
			
		||||
        mapping(address => mapping(address => bool)) originRegistry;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    /// @dev Get the storage bucket for this contract.
 | 
			
		||||
 
 | 
			
		||||
@@ -180,10 +180,10 @@ contract FillQuoteTransformer is
 | 
			
		||||
 | 
			
		||||
        state.protocolFee = exchange.protocolFeeMultiplier().safeMul(tx.gasprice);
 | 
			
		||||
        state.ethRemaining = address(this).balance;
 | 
			
		||||
        // RFQT orders can only be filled if we have a valid calldata hash
 | 
			
		||||
        // (calldata was signed), and the actual taker matches the RFQT taker (if set).
 | 
			
		||||
        state.isRfqtAllowed = context.callDataHash != bytes32(0)
 | 
			
		||||
            && (data.rfqtTakerAddress == address(0) || context.taker == data.rfqtTakerAddress);
 | 
			
		||||
        // RFQT orders can only be filled if the actual taker matches the RFQT
 | 
			
		||||
        // taker (if set).
 | 
			
		||||
        state.isRfqtAllowed = data.rfqtTakerAddress == address(0)
 | 
			
		||||
            || context.taker == data.rfqtTakerAddress;
 | 
			
		||||
 | 
			
		||||
        // Fill the orders.
 | 
			
		||||
        for (uint256 i = 0; i < data.orders.length; ++i) {
 | 
			
		||||
 
 | 
			
		||||
@@ -27,9 +27,6 @@ interface IERC20Transformer {
 | 
			
		||||
 | 
			
		||||
    /// @dev Context information to pass into `transform()` by `TransformERC20.transformERC20()`.
 | 
			
		||||
    struct TransformContext {
 | 
			
		||||
        // The hash of the `TransformERC20.transformERC20()` calldata.
 | 
			
		||||
        // Will be null if the calldata is not signed.
 | 
			
		||||
        bytes32 callDataHash;
 | 
			
		||||
        // The caller of `TransformERC20.transformERC20()`.
 | 
			
		||||
        address payable sender;
 | 
			
		||||
        // taker The taker address, which may be distinct from `sender` in the case
 | 
			
		||||
 
 | 
			
		||||
@@ -27,7 +27,7 @@ import "./LibERC20Transformer.sol";
 | 
			
		||||
contract LogMetadataTransformer is
 | 
			
		||||
    Transformer
 | 
			
		||||
{
 | 
			
		||||
    event TransformerMetadata(bytes32 callDataHash, address sender, address taker, bytes data);
 | 
			
		||||
    event TransformerMetadata(address sender, address taker, bytes data);
 | 
			
		||||
 | 
			
		||||
    /// @dev Maximum uint256 value.
 | 
			
		||||
    uint256 private constant MAX_UINT256 = uint256(-1);
 | 
			
		||||
@@ -40,7 +40,7 @@ contract LogMetadataTransformer is
 | 
			
		||||
        override
 | 
			
		||||
        returns (bytes4 success)
 | 
			
		||||
    {
 | 
			
		||||
        emit TransformerMetadata(context.callDataHash, context.sender, context.taker, context.data);
 | 
			
		||||
        emit TransformerMetadata(context.sender, context.taker, context.data);
 | 
			
		||||
        return LibERC20Transformer.TRANSFORMER_SUCCESS;
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -22,6 +22,7 @@ pragma experimental ABIEncoderV2;
 | 
			
		||||
import "./mixins/MixinAdapterAddresses.sol";
 | 
			
		||||
import "./mixins/MixinBalancer.sol";
 | 
			
		||||
import "./mixins/MixinCurve.sol";
 | 
			
		||||
import "./mixins/MixinCryptoCom.sol";
 | 
			
		||||
import "./mixins/MixinDodo.sol";
 | 
			
		||||
import "./mixins/MixinKyber.sol";
 | 
			
		||||
import "./mixins/MixinMooniswap.sol";
 | 
			
		||||
@@ -37,6 +38,7 @@ contract BridgeAdapter is
 | 
			
		||||
    MixinAdapterAddresses,
 | 
			
		||||
    MixinBalancer,
 | 
			
		||||
    MixinCurve,
 | 
			
		||||
    MixinCryptoCom,
 | 
			
		||||
    MixinDodo,
 | 
			
		||||
    MixinKyber,
 | 
			
		||||
    MixinMooniswap,
 | 
			
		||||
@@ -52,6 +54,7 @@ contract BridgeAdapter is
 | 
			
		||||
    address private immutable BALANCER_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable CREAM_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable CURVE_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable CRYPTO_COM_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable DODO_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable KYBER_BRIDGE_ADDRESS;
 | 
			
		||||
    address private immutable MOONISWAP_BRIDGE_ADDRESS;
 | 
			
		||||
@@ -68,6 +71,7 @@ contract BridgeAdapter is
 | 
			
		||||
        public
 | 
			
		||||
        MixinBalancer()
 | 
			
		||||
        MixinCurve()
 | 
			
		||||
        MixinCryptoCom(addresses)
 | 
			
		||||
        MixinDodo(addresses)
 | 
			
		||||
        MixinKyber(addresses)
 | 
			
		||||
        MixinMooniswap(addresses)
 | 
			
		||||
@@ -81,6 +85,7 @@ contract BridgeAdapter is
 | 
			
		||||
    {
 | 
			
		||||
        BALANCER_BRIDGE_ADDRESS = addresses.balancerBridge;
 | 
			
		||||
        CURVE_BRIDGE_ADDRESS = addresses.curveBridge;
 | 
			
		||||
        CRYPTO_COM_BRIDGE_ADDRESS = addresses.cryptoComBridge;
 | 
			
		||||
        KYBER_BRIDGE_ADDRESS = addresses.kyberBridge;
 | 
			
		||||
        MOONISWAP_BRIDGE_ADDRESS = addresses.mooniswapBridge;
 | 
			
		||||
        MSTABLE_BRIDGE_ADDRESS = addresses.mStableBridge;
 | 
			
		||||
@@ -185,6 +190,12 @@ contract BridgeAdapter is
 | 
			
		||||
                sellAmount,
 | 
			
		||||
                bridgeData
 | 
			
		||||
            );
 | 
			
		||||
        } else if (bridgeAddress == CRYPTO_COM_BRIDGE_ADDRESS) {
 | 
			
		||||
            boughtAmount = _tradeCryptoCom(
 | 
			
		||||
                buyToken,
 | 
			
		||||
                sellAmount,
 | 
			
		||||
                bridgeData
 | 
			
		||||
            );
 | 
			
		||||
        } else {
 | 
			
		||||
            boughtAmount = _tradeZeroExBridge(
 | 
			
		||||
                bridgeAddress,
 | 
			
		||||
 
 | 
			
		||||
@@ -26,6 +26,7 @@ contract MixinAdapterAddresses
 | 
			
		||||
        address balancerBridge;
 | 
			
		||||
        address creamBridge;
 | 
			
		||||
        address curveBridge;
 | 
			
		||||
        address cryptoComBridge;
 | 
			
		||||
        address dodoBridge;
 | 
			
		||||
        address kyberBridge;
 | 
			
		||||
        address mooniswapBridge;
 | 
			
		||||
 
 | 
			
		||||
@@ -0,0 +1,79 @@
 | 
			
		||||
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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/LibERC20TokenV06.sol";
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
 | 
			
		||||
import "./MixinAdapterAddresses.sol";
 | 
			
		||||
import "./MixinUniswapV2.sol";
 | 
			
		||||
 | 
			
		||||
contract MixinCryptoCom is
 | 
			
		||||
    MixinAdapterAddresses
 | 
			
		||||
{
 | 
			
		||||
    using LibERC20TokenV06 for IERC20TokenV06;
 | 
			
		||||
 | 
			
		||||
    /// @dev Mainnet address of the `CryptoComRouter` contract.
 | 
			
		||||
    IUniswapV2Router02 private immutable CRYPTOCOM_ROUTER;
 | 
			
		||||
 | 
			
		||||
    constructor(AdapterAddresses memory addresses)
 | 
			
		||||
        public
 | 
			
		||||
    {
 | 
			
		||||
        CRYPTOCOM_ROUTER = IUniswapV2Router02(addresses.cryptoComBridge);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function _tradeCryptoCom(
 | 
			
		||||
        IERC20TokenV06 buyToken,
 | 
			
		||||
        uint256 sellAmount,
 | 
			
		||||
        bytes memory bridgeData
 | 
			
		||||
    )
 | 
			
		||||
        internal
 | 
			
		||||
        returns (uint256 boughtAmount)
 | 
			
		||||
    {
 | 
			
		||||
        // solhint-disable indent
 | 
			
		||||
        address[] memory path = abi.decode(bridgeData, (address[]));
 | 
			
		||||
        // solhint-enable indent
 | 
			
		||||
 | 
			
		||||
        require(path.length >= 2, "CryptoComBridge/PATH_LENGTH_MUST_BE_AT_LEAST_TWO");
 | 
			
		||||
        require(
 | 
			
		||||
            path[path.length - 1] == address(buyToken),
 | 
			
		||||
            "CryptoComBridge/LAST_ELEMENT_OF_PATH_MUST_MATCH_OUTPUT_TOKEN"
 | 
			
		||||
        );
 | 
			
		||||
        // Grant the Uniswap router an allowance to sell the first token.
 | 
			
		||||
        IERC20TokenV06(path[0]).approveIfBelow(
 | 
			
		||||
            address(CRYPTOCOM_ROUTER),
 | 
			
		||||
            sellAmount
 | 
			
		||||
        );
 | 
			
		||||
 | 
			
		||||
        uint[] memory amounts = CRYPTOCOM_ROUTER.swapExactTokensForTokens(
 | 
			
		||||
             // Sell all tokens we hold.
 | 
			
		||||
            sellAmount,
 | 
			
		||||
             // Minimum buy amount.
 | 
			
		||||
            1,
 | 
			
		||||
            // Convert to `buyToken` along this path.
 | 
			
		||||
            path,
 | 
			
		||||
            // Recipient is `this`.
 | 
			
		||||
            address(this),
 | 
			
		||||
            // Expires after this block.
 | 
			
		||||
            block.timestamp
 | 
			
		||||
        );
 | 
			
		||||
        return amounts[amounts.length-1];
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -0,0 +1,28 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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;
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
/// @dev FeeCollectorControllerContract-like contract with a null init code hash.
 | 
			
		||||
//       Does not implement anything else, so finalization will fail.
 | 
			
		||||
contract TestFeeCollectorController {
 | 
			
		||||
 | 
			
		||||
    bytes32 public FEE_COLLECTOR_INIT_CODE_HASH = 0;
 | 
			
		||||
}
 | 
			
		||||
@@ -45,7 +45,6 @@ contract TestFillQuoteTransformerHost is
 | 
			
		||||
        this.rawExecuteTransform(
 | 
			
		||||
            transformer,
 | 
			
		||||
            IERC20Transformer.TransformContext({
 | 
			
		||||
                callDataHash: bytes32(0),
 | 
			
		||||
                sender: sender,
 | 
			
		||||
                taker: taker,
 | 
			
		||||
                data: data
 | 
			
		||||
 
 | 
			
		||||
@@ -27,10 +27,11 @@ contract TestFixinProtocolFees is
 | 
			
		||||
    constructor(
 | 
			
		||||
        IEtherTokenV06 weth,
 | 
			
		||||
        IStaking staking,
 | 
			
		||||
        FeeCollectorController feeCollectorController,
 | 
			
		||||
        uint32 protocolFeeMultiplier
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        FixinProtocolFees(weth, staking, protocolFeeMultiplier)
 | 
			
		||||
        FixinProtocolFees(weth, staking, feeCollectorController, protocolFeeMultiplier)
 | 
			
		||||
    {
 | 
			
		||||
        // solhint-disalbe no-empty-blocks
 | 
			
		||||
    }
 | 
			
		||||
 
 | 
			
		||||
@@ -20,13 +20,19 @@ pragma solidity ^0.6.5;
 | 
			
		||||
pragma experimental ABIEncoderV2;
 | 
			
		||||
 | 
			
		||||
import "@0x/contracts-erc20/contracts/src/v06/IERC20TokenV06.sol";
 | 
			
		||||
import "../src/fixins/FixinTokenSpender.sol";
 | 
			
		||||
 | 
			
		||||
import "../src/features/libs/LibTokenSpender.sol";
 | 
			
		||||
 | 
			
		||||
contract TestLibTokenSpender {
 | 
			
		||||
contract TestFixinTokenSpender is
 | 
			
		||||
    FixinTokenSpender
 | 
			
		||||
{
 | 
			
		||||
    uint256 constant private TRIGGER_FALLBACK_SUCCESS_AMOUNT = 1340;
 | 
			
		||||
 | 
			
		||||
    function spendERC20Tokens(
 | 
			
		||||
    constructor(bytes32 greedyTokensBloomFilter)
 | 
			
		||||
        public
 | 
			
		||||
        FixinTokenSpender(greedyTokensBloomFilter)
 | 
			
		||||
    {}
 | 
			
		||||
 | 
			
		||||
    function transferERC20Tokens(
 | 
			
		||||
        IERC20TokenV06 token,
 | 
			
		||||
        address owner,
 | 
			
		||||
        address to,
 | 
			
		||||
@@ -34,12 +40,11 @@ contract TestLibTokenSpender {
 | 
			
		||||
    )
 | 
			
		||||
        external
 | 
			
		||||
    {
 | 
			
		||||
        LibTokenSpender.spendERC20Tokens(
 | 
			
		||||
        _transferERC20Tokens(
 | 
			
		||||
            token,
 | 
			
		||||
            owner,
 | 
			
		||||
            to,
 | 
			
		||||
            amount,
 | 
			
		||||
            false
 | 
			
		||||
            amount
 | 
			
		||||
        );
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
@@ -73,6 +78,14 @@ contract TestLibTokenSpender {
 | 
			
		||||
        view
 | 
			
		||||
        returns (uint256)
 | 
			
		||||
    {
 | 
			
		||||
        return LibTokenSpender.getSpendableERC20BalanceOf(token, owner);
 | 
			
		||||
        return _getSpendableERC20BalanceOf(token, owner);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    function isTokenPossiblyGreedy(IERC20TokenV06 token)
 | 
			
		||||
        external
 | 
			
		||||
        view
 | 
			
		||||
        returns (bool)
 | 
			
		||||
    {
 | 
			
		||||
        return _isTokenPossiblyGreedy(token);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -22,7 +22,6 @@ pragma experimental ABIEncoderV2;
 | 
			
		||||
import "../src/ZeroEx.sol";
 | 
			
		||||
import "../src/features/IBootstrapFeature.sol";
 | 
			
		||||
import "../src/migrations/InitialMigration.sol";
 | 
			
		||||
import "../src/features/SimpleFunctionRegistryFeature.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract TestInitialMigration is
 | 
			
		||||
@@ -46,7 +45,7 @@ contract TestInitialMigration is
 | 
			
		||||
        success = InitialMigration.bootstrap(owner, features);
 | 
			
		||||
        // Snoop the bootstrap feature contract.
 | 
			
		||||
        bootstrapFeature =
 | 
			
		||||
            SimpleFunctionRegistryFeature(address(uint160(address(this))))
 | 
			
		||||
            ZeroEx(address(uint160(address(this))))
 | 
			
		||||
            .getFunctionImplementation(IBootstrapFeature.bootstrap.selector);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -0,0 +1,109 @@
 | 
			
		||||
/*
 | 
			
		||||
 | 
			
		||||
  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 "../src/features/NativeOrdersFeature.sol";
 | 
			
		||||
import "../src/features/IMetaTransactionsFeature.sol";
 | 
			
		||||
import "./TestFeeCollectorController.sol";
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
contract TestMetaTransactionsNativeOrdersFeature is
 | 
			
		||||
    NativeOrdersFeature
 | 
			
		||||
{
 | 
			
		||||
    constructor()
 | 
			
		||||
        public
 | 
			
		||||
        NativeOrdersFeature(
 | 
			
		||||
            address(0),
 | 
			
		||||
            IEtherTokenV06(0),
 | 
			
		||||
            IStaking(0),
 | 
			
		||||
            FeeCollectorController(address(new TestFeeCollectorController())),
 | 
			
		||||
            0,
 | 
			
		||||
            bytes32(0)
 | 
			
		||||
        )
 | 
			
		||||
    {}
 | 
			
		||||
 | 
			
		||||
    event FillLimitOrderCalled(
 | 
			
		||||
        LibNativeOrder.LimitOrder order,
 | 
			
		||||
        LibSignature.SignatureType signatureType,
 | 
			
		||||
        uint8 v,
 | 
			
		||||
        bytes32 r,
 | 
			
		||||
        bytes32 s,
 | 
			
		||||
        uint128 takerTokenFillAmount,
 | 
			
		||||
        address taker,
 | 
			
		||||
        address sender
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    function _fillLimitOrder(
 | 
			
		||||
        LibNativeOrder.LimitOrder memory order,
 | 
			
		||||
        LibSignature.Signature memory signature,
 | 
			
		||||
        uint128 takerTokenFillAmount,
 | 
			
		||||
        address taker,
 | 
			
		||||
        address sender
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        override
 | 
			
		||||
        payable
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount)
 | 
			
		||||
    {
 | 
			
		||||
        emit FillLimitOrderCalled(
 | 
			
		||||
            order,
 | 
			
		||||
            signature.signatureType,
 | 
			
		||||
            signature.v,
 | 
			
		||||
            signature.r,
 | 
			
		||||
            signature.s,
 | 
			
		||||
            takerTokenFillAmount,
 | 
			
		||||
            taker,
 | 
			
		||||
            sender
 | 
			
		||||
        );
 | 
			
		||||
        return (0, 1337);
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    event FillRfqOrderCalled(
 | 
			
		||||
        LibNativeOrder.RfqOrder order,
 | 
			
		||||
        LibSignature.SignatureType signatureType,
 | 
			
		||||
        uint8 v,
 | 
			
		||||
        bytes32 r,
 | 
			
		||||
        bytes32 s,
 | 
			
		||||
        uint128 takerTokenFillAmount,
 | 
			
		||||
        address taker
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    function _fillRfqOrder(
 | 
			
		||||
        LibNativeOrder.RfqOrder memory order,
 | 
			
		||||
        LibSignature.Signature memory signature,
 | 
			
		||||
        uint128 takerTokenFillAmount,
 | 
			
		||||
        address taker
 | 
			
		||||
    )
 | 
			
		||||
        public
 | 
			
		||||
        override
 | 
			
		||||
        returns (uint128 takerTokenFilledAmount, uint128 makerTokenFilledAmount)
 | 
			
		||||
    {
 | 
			
		||||
        emit FillRfqOrderCalled(
 | 
			
		||||
            order,
 | 
			
		||||
            signature.signatureType,
 | 
			
		||||
            signature.v,
 | 
			
		||||
            signature.r,
 | 
			
		||||
            signature.s,
 | 
			
		||||
            takerTokenFillAmount,
 | 
			
		||||
            taker
 | 
			
		||||
        );
 | 
			
		||||
        return (0, 1337);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
@@ -34,11 +34,11 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
        IERC20TokenV06 outputToken,
 | 
			
		||||
        uint256 inputTokenAmount,
 | 
			
		||||
        uint256 minOutputTokenAmount,
 | 
			
		||||
        Transformation[] transformations,
 | 
			
		||||
        bytes32 callDataHash,
 | 
			
		||||
        bytes callDataSignature
 | 
			
		||||
        Transformation[] transformations
 | 
			
		||||
    );
 | 
			
		||||
 | 
			
		||||
    constructor() public TransformERC20Feature(0) {}
 | 
			
		||||
 | 
			
		||||
    function _transformERC20(TransformERC20Args memory args)
 | 
			
		||||
        public
 | 
			
		||||
        override
 | 
			
		||||
@@ -50,6 +50,8 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        if (msg.value == 777) {
 | 
			
		||||
            LibSignature.Signature memory signature;
 | 
			
		||||
 | 
			
		||||
            // Try to reenter `executeMetaTransaction()`
 | 
			
		||||
            IMetaTransactionsFeature(address(this)).executeMetaTransaction(
 | 
			
		||||
                IMetaTransactionsFeature.MetaTransactionData({
 | 
			
		||||
@@ -64,7 +66,7 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
                    feeToken: IERC20TokenV06(0),
 | 
			
		||||
                    feeAmount: 0
 | 
			
		||||
                }),
 | 
			
		||||
                ""
 | 
			
		||||
                signature
 | 
			
		||||
            );
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
@@ -72,7 +74,7 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
            // Try to reenter `batchExecuteMetaTransactions()`
 | 
			
		||||
            IMetaTransactionsFeature.MetaTransactionData[] memory mtxs =
 | 
			
		||||
                new IMetaTransactionsFeature.MetaTransactionData[](1);
 | 
			
		||||
            bytes[] memory signatures = new bytes[](1);
 | 
			
		||||
            LibSignature.Signature[] memory signatures = new LibSignature.Signature[](1);
 | 
			
		||||
            mtxs[0] = IMetaTransactionsFeature.MetaTransactionData({
 | 
			
		||||
                signer: address(0),
 | 
			
		||||
                sender: address(0),
 | 
			
		||||
@@ -85,7 +87,6 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
                feeToken: IERC20TokenV06(0),
 | 
			
		||||
                feeAmount: 0
 | 
			
		||||
            });
 | 
			
		||||
            signatures[0] = "";
 | 
			
		||||
            IMetaTransactionsFeature(address(this)).batchExecuteMetaTransactions(
 | 
			
		||||
                mtxs,
 | 
			
		||||
                signatures
 | 
			
		||||
@@ -100,9 +101,7 @@ contract TestMetaTransactionsTransformERC20Feature is
 | 
			
		||||
            args.outputToken,
 | 
			
		||||
            args.inputTokenAmount,
 | 
			
		||||
            args.minOutputTokenAmount,
 | 
			
		||||
            args.transformations,
 | 
			
		||||
            args.callDataHash,
 | 
			
		||||
            args.callDataSignature
 | 
			
		||||
            args.transformations
 | 
			
		||||
        );
 | 
			
		||||
        return 1337;
 | 
			
		||||
    }
 | 
			
		||||
 
 | 
			
		||||
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