Revert "Improved Multisig"
This commit is contained in:
Teemu Patja
GitHub
parent
c6f2c0cc06
commit
2de8d77404
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@ -1,72 +0,0 @@
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pragma solidity ^0.4.18;
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/**
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* @title DelegatedCall
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* @author Ricardo Guilherme Schmidt (Status Research & Development GmbH)
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* Abstract contract that delegates all calls to contract returned by abstract function `_getDelegatedContract`
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*/
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contract DelegatedCall {
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/**
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* @dev delegates the call of this function
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*/
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modifier delegated
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{
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uint inSize = msg.data.length;
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bytes32 inDataPtr = _malloc(inSize);
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assembly {
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calldatacopy(inDataPtr, 0x0, inSize)
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}
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bytes32 outDataPtr;
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uint256 outSize;
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(outDataPtr, outSize) = _delegatecall(inDataPtr, inSize);
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_;
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assembly {
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return(outDataPtr, outSize)
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}
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}
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/**
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* @dev defines the address for delegation of calls
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*/
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function _getDelegatedContract()
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internal
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returns(address);
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/**
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* @dev allocates memory to a pointer
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*/
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function _malloc(uint size)
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internal
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returns(bytes32 ptr)
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{
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assembly {
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ptr := mload(0x40)
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mstore(0x40, add(ptr, size))
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}
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}
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/**
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* @dev delegates the data in pointer
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*/
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function _delegatecall(bytes32 inDataPtr, uint inSize)
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internal
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returns(bytes32 outDataPtr, uint256 outSize)
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{
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address target = _getDelegatedContract();
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bool failed;
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assembly {
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failed := iszero(delegatecall(sub(gas, 10000), target, inDataPtr, inSize, 0, 0))
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outSize := returndatasize
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}
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require(!failed);
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outDataPtr = _malloc(outSize);
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assembly {
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returndatacopy(outDataPtr, 0, outSize)
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}
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}
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}
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@ -1,12 +1,12 @@
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pragma solidity ^0.4.18;
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pragma solidity ^0.4.15;
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contract ERC20 {
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uint256 public totalSupply;
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function balanceOf(address who) public constant returns (uint256);
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function allowance(address owner, address spender) public constant returns (uint256);
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function transfer(address to, uint256 value) public returns (bool ok);
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function transferFrom(address from, address to, uint256 value) public returns (bool ok);
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function approve(address spender, uint256 value) public returns (bool ok);
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function balanceOf(address who) constant returns (uint256);
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function allowance(address owner, address spender) constant returns (uint256);
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function transfer(address to, uint256 value) returns (bool ok);
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function transferFrom(address from, address to, uint256 value) returns (bool ok);
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function approve(address spender, uint256 value) returns (bool ok);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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@ -1,4 +1,4 @@
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pragma solidity ^0.4.18;
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pragma solidity ^0.4.15;
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import "./MultiSigStub.sol";
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@ -6,10 +6,7 @@ contract MultiSigFactory {
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event Create(address indexed caller, address createdContract);
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function create(address[] owners, uint256 required)
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public
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returns (address wallet)
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{
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function create(address[] owners, uint256 required) returns (address wallet) {
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wallet = new MultiSigStub(owners, required);
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Create(msg.sender, wallet);
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}
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@ -1,14 +1,24 @@
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pragma solidity ^0.4.18;
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import "./DelegatedCall.sol";
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pragma solidity ^0.4.15;
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/**
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* @title MultiSigStub
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* @author Ricardo Guilherme Schmidt (Status Research & Development GmbH)
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* Contract that delegates calls to a library to build a full MultiSigWallet that is cheap to create.
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*/
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contract MultiSigStub is DelegatedCall {
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contract MultiSigStub {
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address[] public owners;
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address[] public tokens;
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mapping (uint => Transaction) public transactions;
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mapping (uint => mapping (address => bool)) public confirmations;
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uint public transactionCount;
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struct Transaction {
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address destination;
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uint value;
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bytes data;
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bool executed;
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}
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function MultiSigStub(address[] _owners, uint256 _required) {
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//bytes4 sig = bytes4(sha3("constructor(address[],uint256)"));
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bytes4 sig = 0x36756a23;
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@ -24,6 +34,21 @@ contract MultiSigStub is DelegatedCall {
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_delegatecall(mData, size);
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}
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modifier delegated {
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uint size = msg.data.length;
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bytes32 mData = _malloc(size);
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assembly {
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calldatacopy(mData, 0x0, size)
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}
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bytes32 mResult = _delegatecall(mData, size);
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_;
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assembly {
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return(mResult, 0x20)
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}
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}
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function()
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payable
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delegated
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@ -31,6 +56,34 @@ contract MultiSigStub is DelegatedCall {
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}
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function submitTransaction(address destination, uint value, bytes data)
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public
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delegated
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returns (uint)
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{
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}
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function confirmTransaction(uint transactionId)
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public
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delegated
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{
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}
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function watch(address _tokenAddr)
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public
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delegated
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{
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}
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function setMyTokenList(address[] _tokenList)
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public
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delegated
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{
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}
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/// @dev Returns the confirmation status of a transaction.
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/// @param transactionId Transaction ID.
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/// @return Confirmation status.
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@ -46,6 +99,15 @@ contract MultiSigStub is DelegatedCall {
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/*
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* Web3 call functions
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*/
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function tokenBalances(address tokenAddress)
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public
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constant
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delegated
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returns (uint)
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{
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}
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/// @dev Returns number of confirmations of a transaction.
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/// @param transactionId Transaction ID.
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@ -77,10 +139,19 @@ contract MultiSigStub is DelegatedCall {
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function getOwners()
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public
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constant
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delegated
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returns (address[])
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{
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return owners;
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}
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/// @dev Returns list of tokens.
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/// @return List of token addresses.
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function getTokenList()
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public
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constant
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returns (address[])
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{
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return tokens;
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}
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/// @dev Returns array with owner addresses, which confirmed transaction.
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@ -89,10 +160,21 @@ contract MultiSigStub is DelegatedCall {
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function getConfirmations(uint transactionId)
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public
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constant
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delegated
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returns (address[] _confirmations)
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{
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address[] memory confirmationsTemp = new address[](owners.length);
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uint count = 0;
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uint i;
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for (i = 0; i < owners.length; i++) {
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if (confirmations[transactionId][owners[i]]) {
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confirmationsTemp[count] = owners[i];
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count += 1;
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}
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}
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_confirmations = new address[](count);
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for (i = 0; i < count; i++) {
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_confirmations[i] = confirmationsTemp[i];
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}
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}
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/// @dev Returns list of transaction IDs in defined range.
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@ -101,20 +183,50 @@ contract MultiSigStub is DelegatedCall {
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/// @param pending Include pending transactions.
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/// @param executed Include executed transactions.
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/// @return Returns array of transaction IDs.
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function getTransactionIds(uint from, uint to, bool pending, bool executed)
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function getTransactionIds(uint from, uint to, bool pending, bool executed)
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public
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constant
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delegated
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returns (uint[] _transactionIds)
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{
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uint[] memory transactionIdsTemp = new uint[](transactionCount);
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uint count = 0;
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uint i;
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for (i = 0; i < transactionCount; i++) {
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if (pending && !transactions[i].executed || executed && transactions[i].executed) {
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transactionIdsTemp[count] = i;
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count += 1;
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}
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}
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_transactionIds = new uint[](to - from);
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for (i = from; i < to; i++) {
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_transactionIds[i - from] = transactionIdsTemp[i];
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}
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}
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function _getDelegatedContract()
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internal
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returns(address)
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function _malloc(uint size)
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private
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returns(bytes32 mData)
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{
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return 0xCaFFE810d0dF52E27DC580AD4a3C6283B0094291; //hardcoded multinetwork address
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assembly {
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mData := mload(0x40)
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mstore(0x40, add(mData, size))
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}
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}
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function _delegatecall(bytes32 mData, uint size)
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private
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returns(bytes32 mResult)
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{
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address target = 0xc0FFeEE61948d8993864a73a099c0E38D887d3F4; //Multinetwork
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mResult = _malloc(32);
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bool failed;
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assembly {
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failed := iszero(delegatecall(sub(gas, 10000), target, mData, size, mResult, 0x20))
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}
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assert(!failed);
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}
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}
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@ -1,30 +1,114 @@
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pragma solidity ^0.4.18;
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pragma solidity ^0.4.15;
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import "./MultiSigWallet.sol";
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import "./ERC20.sol";
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/**
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* @title MultiSigTokenWallet
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* @author Ricardo Guilherme Schmidt (Status Research & Development GmbH)
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* MultiSigWallet that supports withdrawing all ERC20 tokens at once.
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*/
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contract MultiSigTokenWallet is MultiSigWallet {
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contract MultiSigTokenWallet {
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event TokenDeposit(address indexed token, address indexed sender, uint value);
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address[] public owners;
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address[] public tokens;
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mapping (uint => Transaction) public transactions;
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mapping (uint => mapping (address => bool)) public confirmations;
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uint public transactionCount;
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mapping (address => uint) public tokenBalances;
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mapping (address => bool) public isOwner;
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mapping (address => address[]) public userList;
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uint public required;
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uint public nonce;
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struct Transaction {
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address destination;
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uint value;
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bytes data;
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bool executed;
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}
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uint constant public MAX_OWNER_COUNT = 50;
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event Confirmation(address indexed _sender, uint indexed _transactionId);
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event Revocation(address indexed _sender, uint indexed _transactionId);
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event Submission(uint indexed _transactionId);
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event Execution(uint indexed _transactionId);
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event ExecutionFailure(uint indexed _transactionId);
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event Deposit(address indexed _sender, uint _value);
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event TokenDeposit(address _token, address indexed _sender, uint _value);
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event OwnerAddition(address indexed _owner);
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event OwnerRemoval(address indexed _owner);
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event RequirementChange(uint _required);
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modifier onlyWallet() {
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require (msg.sender == address(this));
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_;
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}
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modifier ownerDoesNotExist(address owner) {
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require (!isOwner[owner]);
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_;
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}
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modifier ownerExists(address owner) {
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require (isOwner[owner]);
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_;
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}
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modifier transactionExists(uint transactionId) {
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require (transactions[transactionId].destination != 0);
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_;
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}
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modifier confirmed(uint transactionId, address owner) {
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require (confirmations[transactionId][owner]);
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_;
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}
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modifier notConfirmed(uint transactionId, address owner) {
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require(!confirmations[transactionId][owner]);
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_;
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}
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modifier notExecuted(uint transactionId) {
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require (!transactions[transactionId].executed);
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_;
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}
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modifier notNull(address _address) {
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require (_address != 0);
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_;
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}
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modifier validRequirement(uint ownerCount, uint _required) {
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require (ownerCount <= MAX_OWNER_COUNT && _required <= ownerCount && _required != 0 && ownerCount != 0);
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_;
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}
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/// @dev Fallback function allows to deposit ether.
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function()
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payable
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{
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if (msg.value > 0)
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Deposit(msg.sender, msg.value);
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}
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/**
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* Public functions
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*
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**/
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/**
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* @dev only call parent constructor
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*/
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function MultiSigTokenWallet(address[] _owners, uint _required)
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MultiSigWallet(_owners,_required)
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public
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/// @dev Contract constructor sets initial owners and required number of confirmations.
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/// @param _owners List of initial owners.
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/// @param _required Number of required confirmations.
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function constructor(address[] _owners, uint _required)
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public
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validRequirement(_owners.length, _required)
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{
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//does nothing
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require(owners.length == 0 && required == 0);
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for (uint i = 0; i < _owners.length; i++) {
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require(!isOwner[_owners[i]] && _owners[i] != 0);
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isOwner[_owners[i]] = true;
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}
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owners = _owners;
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required = _required;
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}
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/**
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* @notice deposit a ERC20 token. The amount of deposit is the allowance set to this contract.
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* @param _token the token contract address
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@ -48,26 +132,49 @@ contract MultiSigTokenWallet is MultiSigWallet {
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{
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if (_from == address(this))
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return;
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uint _nonce = nonce;
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bool result = ERC20(_token).transferFrom(_from, this, _amount);
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require(result);
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TokenDeposit(_token, _from, _amount);
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assert(result);
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//ERC23 not executed _deposited tokenFallback by
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if (nonce == _nonce) {
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_deposited(_from, _amount, _token, _data);
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}
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}
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/**
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* @notice watches for balance in a token contract
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* @param _tokenAddr the token contract address
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**/
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function watch(address _tokenAddr)
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ownerExists(msg.sender)
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{
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uint oldBal = tokenBalances[_tokenAddr];
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uint newBal = ERC20(_tokenAddr).balanceOf(this);
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if (newBal > oldBal) {
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_deposited(0x0, newBal-oldBal, _tokenAddr, new bytes(0));
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}
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}
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function setMyTokenList(address[] _tokenList)
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public
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{
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userList[msg.sender] = _tokenList;
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}
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function setTokenList(address[] _tokenList)
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onlyWallet
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{
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tokens = _tokenList;
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}
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/**
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* @notice ERC23 Token fallback
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* @param _from address incoming token
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* @param _amount incoming amount
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**/
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function tokenFallback(
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address _from,
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uint _amount,
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bytes _data
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)
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function tokenFallback(address _from, uint _amount, bytes _data)
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public
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returns (bool)
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{
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TokenDeposit(msg.sender, _from, _amount);
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return true;
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_deposited(_from, _amount, msg.sender, _data);
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}
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/**
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@ -77,50 +184,366 @@ contract MultiSigTokenWallet is MultiSigWallet {
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* @param _token the token contract address
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* @param _data (might be used by child classes)
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*/
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function receiveApproval(
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address _from,
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uint256 _amount,
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address _token,
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bytes _data
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)
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public
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{
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function receiveApproval(address _from, uint256 _amount, address _token, bytes _data) {
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deposit(_from, _amount, _token, _data);
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}
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/// @dev Allows to add a new owner. Transaction has to be sent by wallet.
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/// @param owner Address of new owner.
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function addOwner(address owner)
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public
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onlyWallet
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ownerDoesNotExist(owner)
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notNull(owner)
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validRequirement(owners.length + 1, required)
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{
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isOwner[owner] = true;
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owners.push(owner);
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OwnerAddition(owner);
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}
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/// @dev Allows to remove an owner. Transaction has to be sent by wallet.
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/// @param owner Address of owner.
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function removeOwner(address owner)
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public
|
||||
onlyWallet
|
||||
ownerExists(owner)
|
||||
{
|
||||
isOwner[owner] = false;
|
||||
uint _len = owners.length - 1;
|
||||
for (uint i = 0; i < _len; i++) {
|
||||
if (owners[i] == owner) {
|
||||
owners[i] = owners[owners.length - 1];
|
||||
break;
|
||||
}
|
||||
}
|
||||
owners.length -= 1;
|
||||
if (required > owners.length)
|
||||
changeRequirement(owners.length);
|
||||
OwnerRemoval(owner);
|
||||
}
|
||||
|
||||
/// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.
|
||||
/// @param owner Address of owner to be replaced.
|
||||
/// @param owner Address of new owner.
|
||||
function replaceOwner(address owner, address newOwner)
|
||||
public
|
||||
onlyWallet
|
||||
ownerExists(owner)
|
||||
ownerDoesNotExist(newOwner)
|
||||
{
|
||||
for (uint i = 0; i < owners.length; i++) {
|
||||
if (owners[i] == owner) {
|
||||
owners[i] = newOwner;
|
||||
break;
|
||||
}
|
||||
}
|
||||
isOwner[owner] = false;
|
||||
isOwner[newOwner] = true;
|
||||
OwnerRemoval(owner);
|
||||
OwnerAddition(newOwner);
|
||||
}
|
||||
|
||||
/**
|
||||
* @dev withdraw all tokens in list and ether to `_dest`
|
||||
* @param _dest the address of receiver
|
||||
* @param _tokenList the list of tokens to withdraw all balance
|
||||
* @dev gives full ownership of this wallet to `_dest` removing older owners from wallet
|
||||
* @param _dest the address of new controller
|
||||
**/
|
||||
function withdrawEverything(address _dest, address[] _tokenList)
|
||||
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 Allows to change the number of required confirmations. Transaction has to be sent by wallet.
|
||||
/// @param _required Number of required confirmations.
|
||||
function changeRequirement(uint _required)
|
||||
public
|
||||
onlyWallet
|
||||
validRequirement(owners.length, _required)
|
||||
{
|
||||
required = _required;
|
||||
RequirementChange(_required);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to submit and confirm a transaction.
|
||||
/// @param destination Transaction target address.
|
||||
/// @param value Transaction ether value.
|
||||
/// @param data Transaction data payload.
|
||||
/// @return Returns transaction ID.
|
||||
function submitTransaction(address destination, uint value, bytes data)
|
||||
public
|
||||
returns (uint transactionId)
|
||||
{
|
||||
transactionId = addTransaction(destination, value, data);
|
||||
confirmTransaction(transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to confirm a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function confirmTransaction(uint transactionId)
|
||||
public
|
||||
ownerExists(msg.sender)
|
||||
transactionExists(transactionId)
|
||||
notConfirmed(transactionId, msg.sender)
|
||||
{
|
||||
confirmations[transactionId][msg.sender] = true;
|
||||
Confirmation(msg.sender, transactionId);
|
||||
executeTransaction(transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to revoke a confirmation for a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function revokeConfirmation(uint transactionId)
|
||||
public
|
||||
ownerExists(msg.sender)
|
||||
confirmed(transactionId, msg.sender)
|
||||
notExecuted(transactionId)
|
||||
{
|
||||
confirmations[transactionId][msg.sender] = false;
|
||||
Revocation(msg.sender, transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows anyone to execute a confirmed transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function executeTransaction(uint transactionId)
|
||||
public
|
||||
notExecuted(transactionId)
|
||||
{
|
||||
if (isConfirmed(transactionId)) {
|
||||
Transaction storage txx = transactions[transactionId];
|
||||
txx.executed = true;
|
||||
if (txx.destination.call.value(txx.value)(txx.data)) {
|
||||
Execution(transactionId);
|
||||
} else {
|
||||
ExecutionFailure(transactionId);
|
||||
txx.executed = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @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, _tokenList);
|
||||
withdrawAllTokens(_dest);
|
||||
_dest.transfer(this.balance);
|
||||
}
|
||||
|
||||
/**
|
||||
* @dev withdraw all listed tokens balances to `_dest`
|
||||
* @dev withdraw all recognized tokens balances to `_dest`
|
||||
* @param _dest the address of receiver
|
||||
* @param _tokenList the list of tokens to withdraw all balance
|
||||
**/
|
||||
function withdrawAllTokens(address _dest, address[] _tokenList)
|
||||
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 = ERC20(_tokenAddr).balanceOf(address(this));
|
||||
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 Returns the confirmation status of a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Confirmation status.
|
||||
function isConfirmed(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (bool)
|
||||
{
|
||||
uint count = 0;
|
||||
for (uint i = 0; i < owners.length; i++) {
|
||||
if (confirmations[transactionId][owners[i]])
|
||||
count += 1;
|
||||
if (count == required)
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Internal functions
|
||||
*/
|
||||
/// @dev Adds a new transaction to the transaction mapping, if transaction does not exist yet.
|
||||
/// @param destination Transaction target address.
|
||||
/// @param value Transaction ether value.
|
||||
/// @param data Transaction data payload.
|
||||
/// @return Returns transaction ID.
|
||||
function addTransaction(address destination, uint value, bytes data)
|
||||
internal
|
||||
notNull(destination)
|
||||
returns (uint transactionId)
|
||||
{
|
||||
transactionId = transactionCount;
|
||||
transactions[transactionId] = Transaction({
|
||||
destination: destination,
|
||||
value: value,
|
||||
data: data,
|
||||
executed: false
|
||||
});
|
||||
transactionCount += 1;
|
||||
Submission(transactionId);
|
||||
}
|
||||
|
||||
/**
|
||||
* @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 number of confirmations of a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Number of confirmations.
|
||||
function getConfirmationCount(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (uint count)
|
||||
{
|
||||
for (uint i = 0; i < owners.length; i++) {
|
||||
if (confirmations[transactionId][owners[i]])
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
|
||||
/// @dev Returns total number of transactions after filters are applied.
|
||||
/// @param pending Include pending transactions.
|
||||
/// @param executed Include executed transactions.
|
||||
/// @return Total number of transactions after filters are applied.
|
||||
function getTransactionCount(bool pending, bool executed)
|
||||
public
|
||||
constant
|
||||
returns (uint count)
|
||||
{
|
||||
for (uint i = 0; i < transactionCount; i++) {
|
||||
if (pending && !transactions[i].executed || executed && transactions[i].executed)
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
|
||||
/// @dev Returns list of owners.
|
||||
/// @return List of owner addresses.
|
||||
function getOwners()
|
||||
public
|
||||
constant
|
||||
returns (address[])
|
||||
{
|
||||
return owners;
|
||||
}
|
||||
|
||||
/// @dev Returns list of tokens.
|
||||
/// @return List of token addresses.
|
||||
function getTokenList()
|
||||
public
|
||||
constant
|
||||
returns (address[])
|
||||
{
|
||||
return tokens;
|
||||
}
|
||||
|
||||
/// @dev Returns array with owner addresses, which confirmed transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Returns array of owner addresses.
|
||||
function getConfirmations(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (address[] _confirmations)
|
||||
{
|
||||
address[] memory confirmationsTemp = new address[](owners.length);
|
||||
uint count = 0;
|
||||
uint i;
|
||||
for (i = 0; i < owners.length; i++) {
|
||||
if (confirmations[transactionId][owners[i]]) {
|
||||
confirmationsTemp[count] = owners[i];
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
_confirmations = new address[](count);
|
||||
for (i = 0; i < count; i++) {
|
||||
_confirmations[i] = confirmationsTemp[i];
|
||||
}
|
||||
}
|
||||
|
||||
/// @dev Returns list of transaction IDs in defined range.
|
||||
/// @param from Index start position of transaction array.
|
||||
/// @param to Index end position of transaction array.
|
||||
/// @param pending Include pending transactions.
|
||||
/// @param executed Include executed transactions.
|
||||
/// @return Returns array of transaction IDs.
|
||||
function getTransactionIds(uint from, uint to, bool pending, bool executed)
|
||||
public
|
||||
constant
|
||||
returns (uint[] _transactionIds)
|
||||
{
|
||||
uint[] memory transactionIdsTemp = new uint[](transactionCount);
|
||||
uint count = 0;
|
||||
uint i;
|
||||
for (i = 0; i < transactionCount; i++) {
|
||||
if (pending && !transactions[i].executed || executed && transactions[i].executed) {
|
||||
transactionIdsTemp[count] = i;
|
||||
count += 1;
|
||||
}
|
||||
}
|
||||
_transactionIds = new uint[](to - from);
|
||||
for (i = from; i < to; i++) {
|
||||
_transactionIds[i - from] = transactionIdsTemp[i];
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,203 +0,0 @@
|
|||
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;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,378 +0,0 @@
|
|||
pragma solidity ^0.4.18;
|
||||
|
||||
|
||||
/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.
|
||||
/// @author Stefan George - <stefan.george@consensys.net>
|
||||
contract MultiSigWallet {
|
||||
|
||||
/*
|
||||
* Events
|
||||
*/
|
||||
event Confirmation(address indexed sender, uint indexed transactionId);
|
||||
event Revocation(address indexed sender, uint indexed transactionId);
|
||||
event Submission(uint indexed transactionId);
|
||||
event Execution(uint indexed transactionId);
|
||||
event ExecutionFailure(uint indexed transactionId);
|
||||
event Deposit(address indexed sender, uint value);
|
||||
event OwnerAddition(address indexed owner);
|
||||
event OwnerRemoval(address indexed owner);
|
||||
event RequirementChange(uint required);
|
||||
|
||||
/*
|
||||
* Constants
|
||||
*/
|
||||
uint constant public MAX_OWNER_COUNT = 50;
|
||||
|
||||
/*
|
||||
* Storage
|
||||
*/
|
||||
mapping (uint => Transaction) public transactions;
|
||||
mapping (uint => mapping (address => bool)) public confirmations;
|
||||
mapping (address => bool) public isOwner;
|
||||
address[] public owners;
|
||||
uint public required;
|
||||
uint public transactionCount;
|
||||
|
||||
struct Transaction {
|
||||
address destination;
|
||||
uint value;
|
||||
bytes data;
|
||||
bool executed;
|
||||
}
|
||||
|
||||
/*
|
||||
* Modifiers
|
||||
*/
|
||||
modifier onlyWallet() {
|
||||
require (msg.sender == address(this));
|
||||
_;
|
||||
}
|
||||
|
||||
modifier ownerDoesNotExist(address owner) {
|
||||
require (!isOwner[owner]);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier ownerExists(address owner) {
|
||||
require (isOwner[owner]);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier transactionExists(uint transactionId) {
|
||||
require (transactions[transactionId].destination != 0);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier confirmed(uint transactionId, address owner) {
|
||||
require (confirmations[transactionId][owner]);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier notConfirmed(uint transactionId, address owner) {
|
||||
require(!confirmations[transactionId][owner]);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier notExecuted(uint transactionId) {
|
||||
require (!transactions[transactionId].executed);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier notNull(address _address) {
|
||||
require (_address != 0);
|
||||
_;
|
||||
}
|
||||
|
||||
modifier validRequirement(uint ownerCount, uint _required) {
|
||||
require (ownerCount <= MAX_OWNER_COUNT && _required <= ownerCount && _required != 0 && ownerCount != 0);
|
||||
_;
|
||||
}
|
||||
|
||||
/// @dev Fallback function allows to deposit ether.
|
||||
function ()
|
||||
public
|
||||
payable
|
||||
{
|
||||
if (msg.value > 0)
|
||||
Deposit(msg.sender, msg.value);
|
||||
}
|
||||
|
||||
/*
|
||||
* Public functions
|
||||
*/
|
||||
/// @dev Constructor calls function `constructor(address[],uint256)`
|
||||
/// @param _owners List of initial owners.
|
||||
/// @param _required Number of required confirmations.
|
||||
function MultiSigWallet(address[] _owners, uint _required)
|
||||
public
|
||||
{
|
||||
constructor(_owners, _required);
|
||||
}
|
||||
|
||||
/// @dev Contract constructor sets initial owners and required number of confirmations, can only be called once.
|
||||
/// @param _owners List of initial owners.
|
||||
/// @param _required Number of required confirmations.
|
||||
function constructor(address[] _owners, uint _required)
|
||||
public
|
||||
validRequirement(_owners.length, _required)
|
||||
{
|
||||
require(owners.length == 0 && required == 0);
|
||||
for (uint i = 0; i < _owners.length; i++) {
|
||||
require(!isOwner[_owners[i]] && _owners[i] != 0);
|
||||
isOwner[_owners[i]] = true;
|
||||
}
|
||||
owners = _owners;
|
||||
required = _required;
|
||||
}
|
||||
|
||||
/// @dev Allows to add a new owner. Transaction has to be sent by wallet.
|
||||
/// @param owner Address of new owner.
|
||||
function addOwner(address owner)
|
||||
public
|
||||
onlyWallet
|
||||
ownerDoesNotExist(owner)
|
||||
notNull(owner)
|
||||
validRequirement(owners.length + 1, required)
|
||||
{
|
||||
isOwner[owner] = true;
|
||||
owners.push(owner);
|
||||
OwnerAddition(owner);
|
||||
}
|
||||
|
||||
/// @dev Allows to remove an owner. Transaction has to be sent by wallet.
|
||||
/// @param owner Address of owner.
|
||||
function removeOwner(address owner)
|
||||
public
|
||||
onlyWallet
|
||||
ownerExists(owner)
|
||||
{
|
||||
isOwner[owner] = false;
|
||||
for (uint i=0; i<owners.length - 1; i++)
|
||||
if (owners[i] == owner) {
|
||||
owners[i] = owners[owners.length - 1];
|
||||
break;
|
||||
}
|
||||
owners.length -= 1;
|
||||
if (required > owners.length)
|
||||
changeRequirement(owners.length);
|
||||
OwnerRemoval(owner);
|
||||
}
|
||||
|
||||
/// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.
|
||||
/// @param owner Address of owner to be replaced.
|
||||
/// @param newOwner Address of new owner.
|
||||
function replaceOwner(address owner, address newOwner)
|
||||
public
|
||||
onlyWallet
|
||||
ownerExists(owner)
|
||||
ownerDoesNotExist(newOwner)
|
||||
{
|
||||
for (uint i=0; i<owners.length; i++)
|
||||
if (owners[i] == owner) {
|
||||
owners[i] = newOwner;
|
||||
break;
|
||||
}
|
||||
isOwner[owner] = false;
|
||||
isOwner[newOwner] = true;
|
||||
OwnerRemoval(owner);
|
||||
OwnerAddition(newOwner);
|
||||
}
|
||||
|
||||
/// @dev Allows to change the number of required confirmations. Transaction has to be sent by wallet.
|
||||
/// @param _required Number of required confirmations.
|
||||
function changeRequirement(uint _required)
|
||||
public
|
||||
onlyWallet
|
||||
validRequirement(owners.length, _required)
|
||||
{
|
||||
required = _required;
|
||||
RequirementChange(_required);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to submit and confirm a transaction.
|
||||
/// @param destination Transaction target address.
|
||||
/// @param value Transaction ether value.
|
||||
/// @param data Transaction data payload.
|
||||
/// @return Returns transaction ID.
|
||||
function submitTransaction(address destination, uint value, bytes data)
|
||||
public
|
||||
returns (uint transactionId)
|
||||
{
|
||||
transactionId = addTransaction(destination, value, data);
|
||||
confirmTransaction(transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to confirm a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function confirmTransaction(uint transactionId)
|
||||
public
|
||||
ownerExists(msg.sender)
|
||||
transactionExists(transactionId)
|
||||
notConfirmed(transactionId, msg.sender)
|
||||
{
|
||||
confirmations[transactionId][msg.sender] = true;
|
||||
Confirmation(msg.sender, transactionId);
|
||||
executeTransaction(transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows an owner to revoke a confirmation for a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function revokeConfirmation(uint transactionId)
|
||||
public
|
||||
ownerExists(msg.sender)
|
||||
confirmed(transactionId, msg.sender)
|
||||
notExecuted(transactionId)
|
||||
{
|
||||
confirmations[transactionId][msg.sender] = false;
|
||||
Revocation(msg.sender, transactionId);
|
||||
}
|
||||
|
||||
/// @dev Allows anyone to execute a confirmed transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
function executeTransaction(uint transactionId)
|
||||
public
|
||||
ownerExists(msg.sender)
|
||||
confirmed(transactionId, msg.sender)
|
||||
notExecuted(transactionId)
|
||||
{
|
||||
if (isConfirmed(transactionId)) {
|
||||
Transaction storage trx = transactions[transactionId];
|
||||
trx.executed = true;
|
||||
if (trx.destination.call.value(trx.value)(trx.data))
|
||||
Execution(transactionId);
|
||||
else {
|
||||
ExecutionFailure(transactionId);
|
||||
trx.executed = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// @dev Returns the confirmation status of a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Confirmation status.
|
||||
function isConfirmed(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (bool)
|
||||
{
|
||||
uint count = 0;
|
||||
for (uint i=0; i<owners.length; i++) {
|
||||
if (confirmations[transactionId][owners[i]])
|
||||
count += 1;
|
||||
if (count == required)
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Internal functions
|
||||
*/
|
||||
/// @dev Adds a new transaction to the transaction mapping, if transaction does not exist yet.
|
||||
/// @param destination Transaction target address.
|
||||
/// @param value Transaction ether value.
|
||||
/// @param data Transaction data payload.
|
||||
/// @return Returns transaction ID.
|
||||
function addTransaction(address destination, uint value, bytes data)
|
||||
internal
|
||||
notNull(destination)
|
||||
returns (uint transactionId)
|
||||
{
|
||||
transactionId = transactionCount;
|
||||
transactions[transactionId] = Transaction({
|
||||
destination: destination,
|
||||
value: value,
|
||||
data: data,
|
||||
executed: false
|
||||
});
|
||||
transactionCount += 1;
|
||||
Submission(transactionId);
|
||||
}
|
||||
|
||||
/*
|
||||
* Web3 call functions
|
||||
*/
|
||||
/// @dev Returns number of confirmations of a transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Number of confirmations.
|
||||
function getConfirmationCount(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (uint count)
|
||||
{
|
||||
for (uint i=0; i<owners.length; i++)
|
||||
if (confirmations[transactionId][owners[i]])
|
||||
count += 1;
|
||||
}
|
||||
|
||||
/// @dev Returns total number of transactions after filers are applied.
|
||||
/// @param pending Include pending transactions.
|
||||
/// @param executed Include executed transactions.
|
||||
/// @return Total number of transactions after filters are applied.
|
||||
function getTransactionCount(bool pending, bool executed)
|
||||
public
|
||||
constant
|
||||
returns (uint count)
|
||||
{
|
||||
for (uint i=0; i<transactionCount; i++)
|
||||
if ( pending && !transactions[i].executed
|
||||
|| executed && transactions[i].executed)
|
||||
count += 1;
|
||||
}
|
||||
|
||||
/// @dev Returns list of owners.
|
||||
/// @return List of owner addresses.
|
||||
function getOwners()
|
||||
public
|
||||
constant
|
||||
returns (address[])
|
||||
{
|
||||
return owners;
|
||||
}
|
||||
|
||||
/// @dev Returns array with owner addresses, which confirmed transaction.
|
||||
/// @param transactionId Transaction ID.
|
||||
/// @return Returns array of owner addresses.
|
||||
function getConfirmations(uint transactionId)
|
||||
public
|
||||
constant
|
||||
returns (address[] _confirmations)
|
||||
{
|
||||
address[] memory confirmationsTemp = new address[](owners.length);
|
||||
uint count = 0;
|
||||
uint i;
|
||||
for (i=0; i<owners.length; i++)
|
||||
if (confirmations[transactionId][owners[i]]) {
|
||||
confirmationsTemp[count] = owners[i];
|
||||
count += 1;
|
||||
}
|
||||
_confirmations = new address[](count);
|
||||
for (i=0; i<count; i++)
|
||||
_confirmations[i] = confirmationsTemp[i];
|
||||
}
|
||||
|
||||
/// @dev Returns list of transaction IDs in defined range.
|
||||
/// @param from Index start position of transaction array.
|
||||
/// @param to Index end position of transaction array.
|
||||
/// @param pending Include pending transactions.
|
||||
/// @param executed Include executed transactions.
|
||||
/// @return Returns array of transaction IDs.
|
||||
function getTransactionIds(uint from, uint to, bool pending, bool executed)
|
||||
public
|
||||
constant
|
||||
returns (uint[] _transactionIds)
|
||||
{
|
||||
uint[] memory transactionIdsTemp = new uint[](transactionCount);
|
||||
uint count = 0;
|
||||
uint i;
|
||||
for (i=0; i<transactionCount; i++)
|
||||
if ( pending && !transactions[i].executed
|
||||
|| executed && transactions[i].executed)
|
||||
{
|
||||
transactionIdsTemp[count] = i;
|
||||
count += 1;
|
||||
}
|
||||
_transactionIds = new uint[](to - from);
|
||||
for (i=from; i<to; i++)
|
||||
_transactionIds[i - from] = transactionIdsTemp[i];
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue