From 9aa000872d95c9c9b77ce1f888f13accdaef12f6 Mon Sep 17 00:00:00 2001
From: Ricardo Guilherme Schmidt <3esmit@gmail.com>
Date: Thu, 9 Nov 2017 14:00:06 -0200
Subject: [PATCH] Add legacy support

---
 contracts/MultiSigTokenWalletV1.sol | 203 ++++++++++++++++++++++++++++
 1 file changed, 203 insertions(+)
 create mode 100644 contracts/MultiSigTokenWalletV1.sol

diff --git a/contracts/MultiSigTokenWalletV1.sol b/contracts/MultiSigTokenWalletV1.sol
new file mode 100644
index 0000000..4375daf
--- /dev/null
+++ b/contracts/MultiSigTokenWalletV1.sol
@@ -0,0 +1,203 @@
+pragma solidity ^0.4.15;
+
+import "./MultiSigWallet.sol";
+import "./ERC20.sol";
+// @dev This contract is deprecated, use the new version.
+contract MultiSigTokenWalletV1 is MultiSigWallet {
+
+    address[] public tokens;
+    mapping (address => uint) public tokenBalances;
+    mapping (address => address[]) public userList;
+    uint public nonce;
+
+    event TokenDeposit(address _token, address indexed _sender, uint _value);
+
+    /**
+    * Public functions
+    * 
+    **/
+    /**
+    * @notice deposit a ERC20 token. The amount of deposit is the allowance set to this contract.
+    * @param _token the token contract address
+    * @param _data might be used by child implementations
+    **/ 
+    function depositToken(address _token, bytes _data) 
+        public 
+    {
+        address sender = msg.sender;
+        uint amount = ERC20(_token).allowance(sender, this);
+        deposit(sender, amount, _token, _data);
+    }
+        
+    /**
+    * @notice deposit a ERC20 token. The amount of deposit is the allowance set to this contract.
+    * @param _token the token contract address
+    * @param _data might be used by child implementations
+    **/ 
+    function deposit(address _from, uint256 _amount, address _token, bytes _data) 
+        public 
+    {
+        if (_from == address(this))
+            return;
+        uint _nonce = nonce;
+        bool result = ERC20(_token).transferFrom(_from, this, _amount);
+        assert(result);
+        //ERC23 not executed _deposited tokenFallback by
+        if (nonce == _nonce) {
+            _deposited(_from, _amount, _token, _data);
+        }
+    }
+    /**
+    * @notice watches for balance in a token contract
+    * @param _tokenAddr the token contract address
+    **/   
+    function watch(address _tokenAddr) 
+        ownerExists(msg.sender) 
+    {
+        uint oldBal = tokenBalances[_tokenAddr];
+        uint newBal = ERC20(_tokenAddr).balanceOf(this);
+        if (newBal > oldBal) {
+            _deposited(0x0, newBal-oldBal, _tokenAddr, new bytes(0));
+        }
+    }
+
+    function setMyTokenList(address[] _tokenList) 
+        public
+    {
+        userList[msg.sender] = _tokenList;
+    }
+
+    function setTokenList(address[] _tokenList) 
+        onlyWallet
+    {
+        tokens = _tokenList;
+    }
+    
+    /**
+    * @notice ERC23 Token fallback
+    * @param _from address incoming token
+    * @param _amount incoming amount
+    **/    
+    function tokenFallback(address _from, uint _amount, bytes _data) 
+        public 
+    {
+        _deposited(_from, _amount, msg.sender, _data);
+    }
+        
+    /** 
+    * @notice Called MiniMeToken approvesAndCall to this contract, calls deposit.
+    * @param _from address incoming token
+    * @param _amount incoming amount
+    * @param _token the token contract address
+    * @param _data (might be used by child classes)
+    */ 
+    function receiveApproval(address _from, uint256 _amount, address _token, bytes _data) {
+        deposit(_from, _amount, _token, _data);
+    }
+    
+    /**
+    * @dev gives full ownership of this wallet to `_dest` removing older owners from wallet
+    * @param _dest the address of new controller
+    **/    
+    function releaseWallet(address _dest)
+        public
+        notNull(_dest)
+        ownerDoesNotExist(_dest)
+        onlyWallet
+    {
+        address[] memory _owners = owners;
+        uint numOwners = _owners.length;
+        addOwner(_dest);
+        for (uint i = 0; i < numOwners; i++) {
+            removeOwner(_owners[i]);
+        }
+    }
+
+    /**
+    * @dev withdraw all recognized tokens balances and ether to `_dest`
+    * @param _dest the address of receiver
+    **/    
+    function withdrawEverything(address _dest) 
+        public
+        notNull(_dest)
+        onlyWallet
+    {
+        withdrawAllTokens(_dest);
+        _dest.transfer(this.balance);
+    }
+
+    /**
+    * @dev withdraw all recognized tokens balances to `_dest`
+    * @param _dest the address of receiver
+    **/    
+    function withdrawAllTokens(address _dest) 
+        public 
+        notNull(_dest)
+        onlyWallet
+    {
+        address[] memory _tokenList;
+        if (userList[_dest].length > 0) {
+            _tokenList = userList[_dest];
+        } else {
+            _tokenList = tokens;
+        }
+        uint len = _tokenList.length;
+        for (uint i = 0;i < len; i++) {
+            address _tokenAddr = _tokenList[i];
+            uint _amount = tokenBalances[_tokenAddr];
+            if (_amount > 0) {
+                delete tokenBalances[_tokenAddr];
+                ERC20(_tokenAddr).transfer(_dest, _amount);
+            }
+        }
+    }
+
+    /**
+    * @dev withdraw `_tokenAddr` `_amount` to `_dest`
+    * @param _tokenAddr the address of the token
+    * @param _dest the address of receiver
+    * @param _amount the number of tokens to send
+    **/
+    function withdrawToken(address _tokenAddr, address _dest, uint _amount)
+        public
+        notNull(_dest)
+        onlyWallet 
+    {
+        require(_amount > 0);
+        uint _balance = tokenBalances[_tokenAddr];
+        require(_amount <= _balance);
+        tokenBalances[_tokenAddr] = _balance - _amount;
+        bool result = ERC20(_tokenAddr).transfer(_dest, _amount);
+        assert(result);
+    }
+    
+    /**
+    * @dev register the deposit
+    **/
+    function _deposited(address _from,  uint _amount, address _tokenAddr, bytes) 
+        internal 
+    {
+        TokenDeposit(_tokenAddr,_from,_amount);
+        nonce++;
+        if (tokenBalances[_tokenAddr] == 0) {
+            tokens.push(_tokenAddr);  
+            tokenBalances[_tokenAddr] = ERC20(_tokenAddr).balanceOf(this);
+        } else {
+            tokenBalances[_tokenAddr] += _amount;
+        }
+    }
+    
+    /*
+    * Web3 call functions
+    */
+    /// @dev Returns list of tokens.
+    /// @return List of token addresses.
+    function getTokenList()
+        public
+        constant
+        returns (address[])
+    {
+        return tokens;
+    }
+
+}
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