diff options
Diffstat (limited to 'packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol')
-rw-r--r-- | packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol b/packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol deleted file mode 100644 index 9513d3b30..000000000 --- a/packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol +++ /dev/null @@ -1,127 +0,0 @@ -/* - - 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; - -import "./MultiSigWallet.sol"; - - -/// @title Multisignature wallet with time lock- Allows multiple parties to execute a transaction after a time lock has passed. -/// @author Amir Bandeali - <amir@0xProject.com> -// solhint-disable not-rely-on-time -contract MultiSigWalletWithTimeLock is - MultiSigWallet -{ - event ConfirmationTimeSet(uint256 indexed transactionId, uint256 confirmationTime); - event TimeLockChange(uint256 secondsTimeLocked); - - uint256 public secondsTimeLocked; - - mapping (uint256 => uint256) public confirmationTimes; - - modifier notFullyConfirmed(uint256 transactionId) { - require( - !isConfirmed(transactionId), - "TX_FULLY_CONFIRMED" - ); - _; - } - - modifier fullyConfirmed(uint256 transactionId) { - require( - isConfirmed(transactionId), - "TX_NOT_FULLY_CONFIRMED" - ); - _; - } - - modifier pastTimeLock(uint256 transactionId) { - require( - block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked, - "TIME_LOCK_INCOMPLETE" - ); - _; - } - - /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock. - /// @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. - constructor ( - address[] _owners, - uint256 _required, - uint256 _secondsTimeLocked - ) - public - MultiSigWallet(_owners, _required) - { - secondsTimeLocked = _secondsTimeLocked; - } - - /// @dev Changes the duration of the time lock for transactions. - /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds. - function changeTimeLock(uint256 _secondsTimeLocked) - public - onlyWallet - { - secondsTimeLocked = _secondsTimeLocked; - emit TimeLockChange(_secondsTimeLocked); - } - - /// @dev Allows an owner to confirm a transaction. - /// @param transactionId Transaction ID. - function confirmTransaction(uint256 transactionId) - public - ownerExists(msg.sender) - transactionExists(transactionId) - notConfirmed(transactionId, msg.sender) - notFullyConfirmed(transactionId) - { - confirmations[transactionId][msg.sender] = true; - emit Confirmation(msg.sender, transactionId); - if (isConfirmed(transactionId)) { - setConfirmationTime(transactionId, block.timestamp); - } - } - - /// @dev Allows anyone to execute a confirmed transaction. - /// @param transactionId Transaction ID. - function executeTransaction(uint256 transactionId) - public - notExecuted(transactionId) - fullyConfirmed(transactionId) - pastTimeLock(transactionId) - { - Transaction storage txn = transactions[transactionId]; - txn.executed = true; - if (external_call(txn.destination, txn.value, txn.data.length, txn.data)) { - emit Execution(transactionId); - } else { - emit ExecutionFailure(transactionId); - txn.executed = false; - } - } - - /// @dev Sets the time of when a submission first passed. - function setConfirmationTime(uint256 transactionId, uint256 confirmationTime) - internal - { - confirmationTimes[transactionId] = confirmationTime; - emit ConfirmationTimeSet(transactionId, confirmationTime); - } -} |