From 0557d6a9bfc07b8d360970ffbcf582f8a26943cb Mon Sep 17 00:00:00 2001
From: Jacob Evans <jacob@dekz.net>
Date: Fri, 6 Jul 2018 15:00:09 +1000
Subject: Forwarding contract (squashed commits)

---
 .../contracts/src/2.0.0/forwarder/Forwarder.sol    | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 packages/contracts/src/2.0.0/forwarder/Forwarder.sol

(limited to 'packages/contracts/src/2.0.0/forwarder/Forwarder.sol')

diff --git a/packages/contracts/src/2.0.0/forwarder/Forwarder.sol b/packages/contracts/src/2.0.0/forwarder/Forwarder.sol
new file mode 100644
index 000000000..71a4aff13
--- /dev/null
+++ b/packages/contracts/src/2.0.0/forwarder/Forwarder.sol
@@ -0,0 +1,81 @@
+/*
+
+  Copyright 2018 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 ^0.4.24;
+pragma experimental ABIEncoderV2;
+
+import "./MixinWethFees.sol";
+import "./MixinMarketSellTokens.sol";
+import "./MixinMarketBuyTokens.sol";
+import "./MixinConstants.sol";
+import "../utils/Ownable/Ownable.sol";
+
+contract Forwarder is
+    Ownable,
+    MixinConstants,
+    MixinWethFees,
+    MixinMarketBuyZrx,
+    MixinMarketBuyTokens,
+    MixinMarketSellTokens
+{
+    uint256 MAX_UINT = 2**256 - 1;
+
+    constructor (
+        address _exchange,
+        address _etherToken,
+        address _zrxToken,
+        bytes4 _erc20AssetProxyId,
+        bytes memory _zrxAssetData,
+        bytes memory _wethAssetData
+    )
+        public
+        Ownable()
+        MixinConstants(
+            _exchange,
+            _etherToken,
+            _zrxToken,
+            _zrxAssetData,
+            _wethAssetData
+        )
+    {
+        setERC20ProxyApproval(_erc20AssetProxyId);
+    }
+
+    /// @dev Default payabale function, this allows us to withdraw WETH
+    function ()
+        public
+        payable
+    {
+        require(
+            msg.sender == address(ETHER_TOKEN),
+            "DEFAULT_FUNCTION_WETH_CONTRACT_ONLY"
+        );
+    }
+
+    /// @dev Sets the allowances to the proxy for this contract
+    function setERC20ProxyApproval(bytes4 erc20AssetProxyId)
+        public
+        onlyOwner
+    {
+        address proxyAddress = EXCHANGE.getAssetProxy(erc20AssetProxyId);
+        if (proxyAddress != address(0)) {
+            ETHER_TOKEN.approve(proxyAddress, MAX_UINT);
+            ZRX_TOKEN.approve(proxyAddress, MAX_UINT);
+        }
+    }
+}
-- 
cgit