Merge branch 'development' into feature/subproviders/nonce-tracker

1 files changed, 82 insertions, 0 deletions

diff --git a/packages/contracts/src/current/multisig/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol b/packages/contracts/src/current/multisig/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol
new file mode 100644
index 000000000..3c6a3d2ef
--- /dev/null
+++ b/packages/contracts/src/current/multisig/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol
@@ -0,0 +1,82 @@
+/*
+
+  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 ^0.4.10;
+
+import { MultiSigWalletWithTimeLock } from "../MultiSigWalletWithTimeLock/MultiSigWalletWithTimeLock.sol";
+
+contract MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress is MultiSigWalletWithTimeLock {
+
+    address public TOKEN_TRANSFER_PROXY_CONTRACT;
+
+    modifier validRemoveAuthorizedAddressTx(uint transactionId) {
+        Transaction storage tx = transactions[transactionId];
+        require(tx.destination == TOKEN_TRANSFER_PROXY_CONTRACT);
+        require(isFunctionRemoveAuthorizedAddress(tx.data));
+        _;
+    }
+
+    /// @dev Contract constructor sets initial owners, required number of confirmations, time lock, and tokenTransferProxy address.
+    /// @param _owners List of initial owners.
+    /// @param _required Number of required confirmations.
+    /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.
+    /// @param _tokenTransferProxy Address of TokenTransferProxy contract.
+    function MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress(
+        address[] _owners,
+        uint _required,
+        uint _secondsTimeLocked,
+        address _tokenTransferProxy)
+        public
+        MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)
+    {
+        TOKEN_TRANSFER_PROXY_CONTRACT = _tokenTransferProxy;
+    }
+
+    /// @dev Allows execution of removeAuthorizedAddress without time lock.
+    /// @param transactionId Transaction ID.
+    function executeRemoveAuthorizedAddress(uint transactionId)
+        public
+        notExecuted(transactionId)
+        fullyConfirmed(transactionId)
+        validRemoveAuthorizedAddressTx(transactionId)
+    {
+        Transaction storage tx = transactions[transactionId];
+        tx.executed = true;
+        if (tx.destination.call.value(tx.value)(tx.data))
+            Execution(transactionId);
+        else {
+            ExecutionFailure(transactionId);
+            tx.executed = false;
+        }
+    }
+
+    /// @dev Compares first 4 bytes of byte array to removeAuthorizedAddress function signature.
+    /// @param data Transaction data.
+    /// @return Successful if data is a call to removeAuthorizedAddress.
+    function isFunctionRemoveAuthorizedAddress(bytes data)
+        public
+        constant
+        returns (bool)
+    {
+        bytes4 removeAuthorizedAddressSignature = bytes4(sha3("removeAuthorizedAddress(address)"));
+        for (uint i = 0; i < 4; i++) {
+            require(data[i] == removeAuthorizedAddressSignature[i]);
+        }
+        return true;
+    }
+}