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diff --git a/packages/contracts/contracts/deprecated/EtherToken.sol b/packages/contracts/contracts/deprecated/EtherToken.sol
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+++ b/packages/contracts/contracts/deprecated/EtherToken.sol
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+/*
+
+  Copyright 2017 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 0.4.11;
+
+import "./UnlimitedAllowanceToken.sol";
+import "./../base/SafeMath.sol";
+
+contract EtherToken is UnlimitedAllowanceToken, SafeMath {
+
+    string constant public name = "Ether Token";
+    string constant public symbol = "WETH";
+    uint8 constant public decimals = 18;
+
+    /// @dev Fallback to calling deposit when ether is sent directly to contract.
+    function()
+        public
+        payable
+    {
+        deposit();
+    }
+
+    /// @dev Buys tokens with Ether, exchanging them 1:1.
+    function deposit()
+        public
+        payable
+    {
+        balances[msg.sender] = safeAdd(balances[msg.sender], msg.value);
+        totalSupply = safeAdd(totalSupply, msg.value);
+    }
+
+    /// @dev Sells tokens in exchange for Ether, exchanging them 1:1.
+    /// @param amount Number of tokens to sell.
+    function withdraw(uint amount)
+        public
+    {
+        balances[msg.sender] = safeSub(balances[msg.sender], amount);
+        totalSupply = safeSub(totalSupply, amount);
+        require(msg.sender.send(amount));
+    }
+}