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-rw-r--r--packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol393
1 files changed, 0 insertions, 393 deletions
diff --git a/packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol b/packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol
deleted file mode 100644
index 516e7391c..000000000
--- a/packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol
+++ /dev/null
@@ -1,393 +0,0 @@
-// solhint-disable
-pragma solidity ^0.4.15;
-
-
-/// @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()
- payable
- {
- if (msg.value > 0)
- Deposit(msg.sender, msg.value);
- }
-
- /*
- * Public functions
- */
- /// @dev Contract constructor sets initial owners and required number of confirmations.
- /// @param _owners List of initial owners.
- /// @param _required Number of required confirmations.
- function MultiSigWallet(address[] _owners, uint _required)
- public
- validRequirement(_owners.length, _required)
- {
- 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 txn = transactions[transactionId];
- txn.executed = true;
- if (external_call(txn.destination, txn.value, txn.data.length, txn.data))
- Execution(transactionId);
- else {
- ExecutionFailure(transactionId);
- txn.executed = false;
- }
- }
- }
-
- // call has been separated into its own function in order to take advantage
- // of the Solidity's code generator to produce a loop that copies tx.data into memory.
- function external_call(address destination, uint value, uint dataLength, bytes data) internal returns (bool) {
- bool result;
- assembly {
- let x := mload(0x40) // "Allocate" memory for output (0x40 is where "free memory" pointer is stored by convention)
- let d := add(data, 32) // First 32 bytes are the padded length of data, so exclude that
- result := call(
- sub(gas, 34710), // 34710 is the value that solidity is currently emitting
- // It includes callGas (700) + callVeryLow (3, to pay for SUB) + callValueTransferGas (9000) +
- // callNewAccountGas (25000, in case the destination address does not exist and needs creating)
- destination,
- value,
- d,
- dataLength, // Size of the input (in bytes) - this is what fixes the padding problem
- x,
- 0 // Output is ignored, therefore the output size is zero
- )
- }
- return 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);
- }
-
- /*
- * 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];
- }
-} \ No newline at end of file