/** *Submitted for verification at Etherscan.io on 2016-05-02 */ /* - Bytecode Verification performed was compared on second iteration - This file is part of the DAO. The DAO is free software: you can redistribute it and/or modify it under the terms of the GNU lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The DAO is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU lesser General Public License for more details. You should have received a copy of the GNU lesser General Public License along with the DAO. If not, see <http://www.gnu.org/licenses/>. */ /* Basic, standardized Token contract with no "premine". Defines the functions to check token balances, send tokens, send tokens on behalf of a 3rd party and the corresponding approval process. Tokens need to be created by a derived contract (e.g. TokenCreation.sol). Thank you ConsenSys, this contract originated from: https://github.com/ConsenSys/Tokens/blob/master/Token_Contracts/contracts/Standard_Token.sol Which is itself based on the Ethereum standardized contract APIs: https://github.com/ethereum/wiki/wiki/Standardized_Contract_APIs */ /// @title Standard Token Contract. contract TokenInterface { mapping (address => uint256) balances; mapping (address => mapping (address => uint256)) allowed; /// Total amount of tokens uint256 public totalSupply; /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) constant returns (uint256 balance); /// @notice Send `_amount` tokens to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _amount The amount of tokens to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _amount) returns (bool success); /// @notice Send `_amount` tokens to `_to` from `_from` on the condition it /// is approved by `_from` /// @param _from The address of the origin of the transfer /// @param _to The address of the recipient /// @param _amount The amount of tokens to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _amount) returns (bool success); /// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on /// its behalf /// @param _spender The address of the account able to transfer the tokens /// @param _amount The amount of tokens to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _amount) returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens of _owner that _spender is allowed /// to spend function allowance( address _owner, address _spender ) constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 _amount); event Approval( address indexed _owner, address indexed _spender, uint256 _amount ); } contract Token is TokenInterface { // Protects users by preventing the execution of method calls that // inadvertently also transferred ether modifier noEther() {if (msg.value > 0) throw; _} function balanceOf(address _owner) constant returns (uint256 balance) { return balances[_owner]; } function transfer(address _to, uint256 _amount) noEther returns (bool success) { if (balances[msg.sender] >= _amount && _amount > 0) { balances[msg.sender] -= _amount; balances[_to] += _amount; Transfer(msg.sender, _to, _amount); return true; } else { return false; } } function transferFrom( address _from, address _to, uint256 _amount ) noEther returns (bool success) { if (balances[_from] >= _amount && allowed[_from][msg.sender] >= _amount && _amount > 0) { balances[_to] += _amount; balances[_from] -= _amount; allowed[_from][msg.sender] -= _amount; Transfer(_from, _to, _amount); return true; } else { return false; } } function approve(address _spender, uint256 _amount) returns (bool success) { allowed[msg.sender][_spender] = _amount; Approval(msg.sender, _spender, _amount); return true; } function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return allowed[_owner][_spender]; } } /* This file is part of the DAO. The DAO is free software: you can redistribute it and/or modify it under the terms of the GNU lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The DAO is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU lesser General Public License for more details. You should have received a copy of the GNU lesser General Public License along with the DAO. If not, see <http://www.gnu.org/licenses/>. */ /* Basic account, used by the DAO contract to separately manage both the rewards and the extraBalance accounts. */ contract ManagedAccountInterface { // The only address with permission to withdraw from this account address public owner; // If true, only the owner of the account can receive ether from it bool public payOwnerOnly; // The sum of ether (in wei) which has been sent to this contract uint public accumulatedInput; /// @notice Sends `_amount` of wei to _recipient /// @param _amount The amount of wei to send to `_recipient` /// @param _recipient The address to receive `_amount` of wei /// @return True if the send completed function payOut(address _recipient, uint _amount) returns (bool); event PayOut(address indexed _recipient, uint _amount); } contract ManagedAccount is ManagedAccountInterface{ // The constructor sets the owner of the account function ManagedAccount(address _owner, bool _payOwnerOnly) { owner = _owner; payOwnerOnly = _payOwnerOnly; } // When the contract receives a transaction without data this is called. // It counts the amount of ether it receives and stores it in // accumulatedInput. function() { accumulatedInput += msg.value; } function payOut(address _recipient, uint _amount) returns (bool) { if (msg.sender != owner || msg.value > 0 || (payOwnerOnly && _recipient != owner)) throw; if (_recipient.call.value(_amount)()) { PayOut(_recipient, _amount); return true; } else { return false; } } } /* This file is part of the DAO. The DAO is free software: you can redistribute it and/or modify it under the terms of the GNU lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The DAO is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU lesser General Public License for more details. You should have received a copy of the GNU lesser General Public License along with the DAO. If not, see <http://www.gnu.org/licenses/>. */ /* * Token Creation contract, used by the DAO to create its tokens and initialize * its ether. Feel free to modify the divisor method to implement different * Token Creation parameters */ contract TokenCreationInterface { // End of token creation, in Unix time uint public closingTime; // Minimum fueling goal of the token creation, denominated in tokens to // be created uint public minTokensToCreate; // True if the DAO reached its minimum fueling goal, false otherwise bool public isFueled; // For DAO splits - if privateCreation is 0, then it is a public token // creation, otherwise only the address stored in privateCreation is // allowed to create tokens address public privateCreation; // hold extra ether which has been sent after the DAO token // creation rate has increased ManagedAccount public extraBalance; // tracks the amount of wei given from each contributor (used for refund) mapping (address => uint256) weiGiven; /// @dev Constructor setting the minimum fueling goal and the /// end of the Token Creation /// @param _minTokensToCreate Minimum fueling goal in number of /// Tokens to be created /// @param _closingTime Date (in Unix time) of the end of the Token Creation /// @param _privateCreation Zero means that the creation is public. A /// non-zero address represents the only address that can create Tokens /// (the address can also create Tokens on behalf of other accounts) // This is the constructor: it can not be overloaded so it is commented out // function TokenCreation( // uint _minTokensTocreate, // uint _closingTime, // address _privateCreation // ); /// @notice Create Token with `_tokenHolder` as the initial owner of the Token /// @param _tokenHolder The address of the Tokens's recipient /// @return Whether the token creation was successful function createTokenProxy(address _tokenHolder) returns (bool success); /// @notice Refund `msg.sender` in the case the Token Creation did /// not reach its minimum fueling goal function refund(); /// @return The divisor used to calculate the token creation rate during /// the creation phase function divisor() constant returns (uint divisor); event FuelingToDate(uint value); event CreatedToken(address indexed to, uint amount); event Refund(address indexed to, uint value); } contract TokenCreation is TokenCreationInterface, Token { function TokenCreation( uint _minTokensToCreate, uint _closingTime, address _privateCreation) { closingTime = _closingTime; minTokensToCreate = _minTokensToCreate; privateCreation = _privateCreation; extraBalance = new ManagedAccount(address(this), true); } function createTokenProxy(address _tokenHolder) returns (bool success) { if (now < closingTime && msg.value > 0 && (privateCreation == 0 || privateCreation == msg.sender)) { uint token = (msg.value * 20) / divisor(); extraBalance.call.value(msg.value - token)(); balances[_tokenHolder] += token; totalSupply += token; weiGiven[_tokenHolder] += msg.value; CreatedToken(_tokenHolder, token); if (totalSupply >= minTokensToCreate && !isFueled) { isFueled = true; FuelingToDate(totalSupply); } return true; } throw; } function refund() noEther { if (now > closingTime && !isFueled) { // Get extraBalance - will only succeed when called for the first time if (extraBalance.balance >= extraBalance.accumulatedInput()) extraBalance.payOut(address(this), extraBalance.accumulatedInput()); // Execute refund if (msg.sender.call.value(weiGiven[msg.sender])()) { Refund(msg.sender, weiGiven[msg.sender]); totalSupply -= balances[msg.sender]; balances[msg.sender] = 0; weiGiven[msg.sender] = 0; } } } function divisor() constant returns (uint divisor) { // The number of (base unit) tokens per wei is calculated // as `msg.value` * 20 / `divisor` // The fueling period starts with a 1:1 ratio if (closingTime - 2 weeks > now) { return 20; // Followed by 10 days with a daily creation rate increase of 5% } else if (closingTime - 4 days > now) { return (20 + (now - (closingTime - 2 weeks)) / (1 days)); // The last 4 days there is a constant creation rate ratio of 1:1.5 } else { return 30; } } } /* This file is part of the DAO. The DAO is free software: you can redistribute it and/or modify it under the terms of the GNU lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. The DAO is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU lesser General Public License for more details. You should have received a copy of the GNU lesser General Public License along with the DAO. If not, see <http://www.gnu.org/licenses/>. */ /* Standard smart contract for a Decentralized Autonomous Organization (DAO) to automate organizational governance and decision-making. */ contract DAOInterface { // The amount of days for which people who try to participate in the // creation by calling the fallback function will still get their ether back uint constant creationGracePeriod = 40 days; // The minimum debate period that a generic proposal can have uint constant minProposalDebatePeriod = 2 weeks; // The minimum debate period that a split proposal can have uint constant minSplitDebatePeriod = 1 weeks; // Period of days inside which it's possible to execute a DAO split uint constant splitExecutionPeriod = 27 days; // Period of time after which the minimum Quorum is halved uint constant quorumHalvingPeriod = 25 weeks; // Period after which a proposal is closed // (used in the case `executeProposal` fails because it throws) uint constant executeProposalPeriod = 10 days; // Denotes the maximum proposal deposit that can be given. It is given as // a fraction of total Ether spent plus balance of the DAO uint constant maxDepositDivisor = 100; // Proposals to spend the DAO's ether or to choose a new Curator Proposal[] public proposals; // The quorum needed for each proposal is partially calculated by // totalSupply / minQuorumDivisor uint public minQuorumDivisor; // The unix time of the last time quorum was reached on a proposal uint public lastTimeMinQuorumMet; // Address of the curator address public curator; // The whitelist: List of addresses the DAO is allowed to send ether to mapping (address => bool) public allowedRecipients; // Tracks the addresses that own Reward Tokens. Those addresses can only be // DAOs that have split from the original DAO. Conceptually, Reward Tokens // represent the proportion of the rewards that the DAO has the right to // receive. These Reward Tokens are generated when the DAO spends ether. mapping (address => uint) public rewardToken; // Total supply of rewardToken uint public totalRewardToken; // The account used to manage the rewards which are to be distributed to the // DAO Token Holders of this DAO ManagedAccount public rewardAccount; // The account used to manage the rewards which are to be distributed to // any DAO that holds Reward Tokens ManagedAccount public DAOrewardAccount; // Amount of rewards (in wei) already paid out to a certain DAO mapping (address => uint) public DAOpaidOut; // Amount of rewards (in wei) already paid out to a certain address mapping (address => uint) public paidOut; // Map of addresses blocked during a vote (not allowed to transfer DAO // tokens). The address points to the proposal ID. mapping (address => uint) public blocked; // The minimum deposit (in wei) required to submit any proposal that is not // requesting a new Curator (no deposit is required for splits) uint public proposalDeposit; // the accumulated sum of all current proposal deposits uint sumOfProposalDeposits; // Contract that is able to create a new DAO (with the same code as // this one), used for splits DAO_Creator public daoCreator; // A proposal with `newCurator == false` represents a transaction // to be issued by this DAO // A proposal with `newCurator == true` represents a DAO split struct Proposal { // The address where the `amount` will go to if the proposal is accepted // or if `newCurator` is true, the proposed Curator of // the new DAO). address recipient; // The amount to transfer to `recipient` if the proposal is accepted. uint amount; // A plain text description of the proposal string description; // A unix timestamp, denoting the end of the voting period uint votingDeadline; // True if the proposal's votes have yet to be counted, otherwise False bool open; // True if quorum has been reached, the votes have been counted, and // the majority said yes bool proposalPassed; // A hash to check validity of a proposal bytes32 proposalHash; // Deposit in wei the creator added when submitting their proposal. It // is taken from the msg.value of a newProposal call. uint proposalDeposit; // True if this proposal is to assign a new Curator bool newCurator; // Data needed for splitting the DAO SplitData[] splitData; // Number of Tokens in favor of the proposal uint yea; // Number of Tokens opposed to the proposal uint nay; // Simple mapping to check if a shareholder has voted for it mapping (address => bool) votedYes; // Simple mapping to check if a shareholder has voted against it mapping (address => bool) votedNo; // Address of the shareholder who created the proposal address creator; } // Used only in the case of a newCurator proposal. struct SplitData { // The balance of the current DAO minus the deposit at the time of split uint splitBalance; // The total amount of DAO Tokens in existence at the time of split. uint totalSupply; // Amount of Reward Tokens owned by the DAO at the time of split. uint rewardToken; // The new DAO contract created at the time of split. DAO newDAO; } // Used to restrict access to certain functions to only DAO Token Holders modifier onlyTokenholders {} /// @dev Constructor setting the Curator and the address /// for the contract able to create another DAO as well as the parameters /// for the DAO Token Creation /// @param _curator The Curator /// @param _daoCreator The contract able to (re)create this DAO /// @param _proposalDeposit The deposit to be paid for a regular proposal /// @param _minTokensToCreate Minimum required wei-equivalent tokens /// to be created for a successful DAO Token Creation /// @param _closingTime Date (in Unix time) of the end of the DAO Token Creation /// @param _privateCreation If zero the DAO Token Creation is open to public, a /// non-zero address means that the DAO Token Creation is only for the address // This is the constructor: it can not be overloaded so it is commented out // function DAO( // address _curator, // DAO_Creator _daoCreator, // uint _proposalDeposit, // uint _minTokensToCreate, // uint _closingTime, // address _privateCreation // ); /// @notice Create Token with `msg.sender` as the beneficiary /// @return Whether the token creation was successful function () returns (bool success); /// @dev This function is used to send ether back /// to the DAO, it can also be used to receive payments that should not be /// counted as rewards (donations, grants, etc.) /// @return Whether the DAO received the ether successfully function receiveEther() returns(bool); /// @notice `msg.sender` creates a proposal to send `_amount` Wei to /// `_recipient` with the transaction data `_transactionData`. If /// `_newCurator` is true, then this is a proposal that splits the /// DAO and sets `_recipient` as the new DAO's Curator. /// @param _recipient Address of the recipient of the proposed transaction /// @param _amount Amount of wei to be sent with the proposed transaction /// @param _description String describing the proposal /// @param _transactionData Data of the proposed transaction /// @param _debatingPeriod Time used for debating a proposal, at least 2 /// weeks for a regular proposal, 10 days for new Curator proposal /// @param _newCurator Bool defining whether this proposal is about /// a new Curator or not /// @return The proposal ID. Needed for voting on the proposal function newProposal( address _recipient, uint _amount, string _description, bytes _transactionData, uint _debatingPeriod, bool _newCurator ) onlyTokenholders returns (uint _proposalID); /// @notice Check that the proposal with the ID `_proposalID` matches the /// transaction which sends `_amount` with data `_transactionData` /// to `_recipient` /// @param _proposalID The proposal ID /// @param _recipient The recipient of the proposed transaction /// @param _amount The amount of wei to be sent in the proposed transaction /// @param _transactionData The data of the proposed transaction /// @return Whether the proposal ID matches the transaction data or not function checkProposalCode( uint _proposalID, address _recipient, uint _amount, bytes _transactionData ) constant returns (bool _codeChecksOut); /// @notice Vote on proposal `_proposalID` with `_supportsProposal` /// @param _proposalID The proposal ID /// @param _supportsProposal Yes/No - support of the proposal /// @return The vote ID. function vote( uint _proposalID, bool _supportsProposal ) onlyTokenholders returns (uint _voteID); /// @notice Checks whether proposal `_proposalID` with transaction data /// `_transactionData` has been voted for or rejected, and executes the /// transaction in the case it has been voted for. /// @param _proposalID The proposal ID /// @param _transactionData The data of the proposed transaction /// @return Whether the proposed transaction has been executed or not function executeProposal( uint _proposalID, bytes _transactionData ) returns (bool _success); /// @notice ATTENTION! I confirm to move my remaining ether to a new DAO /// with `_newCurator` as the new Curator, as has been /// proposed in proposal `_proposalID`. This will burn my tokens. This can /// not be undone and will split the DAO into two DAO's, with two /// different underlying tokens. /// @param _proposalID The proposal ID /// @param _newCurator The new Curator of the new DAO /// @dev This function, when called for the first time for this proposal, /// will create a new DAO and send the sender's portion of the remaining /// ether and Reward Tokens to the new DAO. It will also burn the DAO Tokens /// of the sender. function splitDAO( uint _proposalID, address _newCurator ) returns (bool _success); /// @dev can only be called by the DAO itself through a proposal /// updates the contract of the DAO by sending all ether and rewardTokens /// to the new DAO. The new DAO needs to be approved by the Curator /// @param _newContract the address of the new contract function newContract(address _newContract); /// @notice Add a new possible recipient `_recipient` to the whitelist so /// that the DAO can send transactions to them (using proposals) /// @param _recipient New recipient address /// @dev Can only be called by the current Curator /// @return Whether successful or not function changeAllowedRecipients(address _recipient, bool _allowed) external returns (bool _success); /// @notice Change the minimum deposit required to submit a proposal /// @param _proposalDeposit The new proposal deposit /// @dev Can only be called by this DAO (through proposals with the /// recipient being this DAO itself) function changeProposalDeposit(uint _proposalDeposit) external; /// @notice Move rewards from the DAORewards managed account /// @param _toMembers If true rewards are moved to the actual reward account /// for the DAO. If not then it's moved to the DAO itself /// @return Whether the call was successful function retrieveDAOReward(bool _toMembers) external returns (bool _success); /// @notice Get my portion of the reward that was sent to `rewardAccount` /// @return Whether the call was successful function getMyReward() returns(bool _success); /// @notice Withdraw `_account`'s portion of the reward from `rewardAccount` /// to `_account`'s balance /// @return Whether the call was successful function withdrawRewardFor(address _account) internal returns (bool _success); /// @notice Send `_amount` tokens to `_to` from `msg.sender`. Prior to this /// getMyReward() is called. /// @param _to The address of the recipient /// @param _amount The amount of tokens to be transfered /// @return Whether the transfer was successful or not function transferWithoutReward(address _to, uint256 _amount) returns (bool success); /// @notice Send `_amount` tokens to `_to` from `_from` on the condition it /// is approved by `_from`. Prior to this getMyReward() is called. /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _amount The amount of tokens to be transfered /// @return Whether the transfer was successful or not function transferFromWithoutReward( address _from, address _to, uint256 _amount ) returns (bool success); /// @notice Doubles the 'minQuorumDivisor' in the case quorum has not been /// achieved in 52 weeks /// @return Whether the change was successful or not function halveMinQuorum() returns (bool _success); /// @return total number of proposals ever created function numberOfProposals() constant returns (uint _numberOfProposals); /// @param _proposalID Id of the new curator proposal /// @return Address of the new DAO function getNewDAOAddress(uint _proposalID) constant returns (address _newDAO); /// @param _account The address of the account which is checked. /// @return Whether the account is blocked (not allowed to transfer tokens) or not. function isBlocked(address _account) internal returns (bool); /// @notice If the caller is blocked by a proposal whose voting deadline /// has exprired then unblock him. /// @return Whether the account is blocked (not allowed to transfer tokens) or not. function unblockMe() returns (bool); event ProposalAdded( uint indexed proposalID, address recipient, uint amount, bool newCurator, string description ); event Voted(uint indexed proposalID, bool position, address indexed voter); event ProposalTallied(uint indexed proposalID, bool result, uint quorum); event NewCurator(address indexed _newCurator); event AllowedRecipientChanged(address indexed _recipient, bool _allowed); } // The DAO contract itself contract DAO is DAOInterface, Token, TokenCreation { // Modifier that allows only shareholders to vote and create new proposals modifier onlyTokenholders { if (balanceOf(msg.sender) == 0) throw; _ } function DAO( address _curator, DAO_Creator _daoCreator, uint _proposalDeposit, uint _minTokensToCreate, uint _closingTime, address _privateCreation ) TokenCreation(_minTokensToCreate, _closingTime, _privateCreation) { curator = _curator; daoCreator = _daoCreator; proposalDeposit = _proposalDeposit; rewardAccount = new ManagedAccount(address(this), false); DAOrewardAccount = new ManagedAccount(address(this), false); if (address(rewardAccount) == 0) throw; if (address(DAOrewardAccount) == 0) throw; lastTimeMinQuorumMet = now; minQuorumDivisor = 5; // sets the minimal quorum to 20% proposals.length = 1; // avoids a proposal with ID 0 because it is used allowedRecipients[address(this)] = true; allowedRecipients[curator] = true; } function () returns (bool success) { if (now < closingTime + creationGracePeriod && msg.sender != address(extraBalance)) return createTokenProxy(msg.sender); else return receiveEther(); } function receiveEther() returns (bool) { return true; } function newProposal( address _recipient, uint _amount, string _description, bytes _transactionData, uint _debatingPeriod, bool _newCurator ) onlyTokenholders returns (uint _proposalID) { // Sanity check if (_newCurator && ( _amount != 0 || _transactionData.length != 0 || _recipient == curator || msg.value > 0 || _debatingPeriod < minSplitDebatePeriod)) { throw; } else if ( !_newCurator && (!isRecipientAllowed(_recipient) || (_debatingPeriod < minProposalDebatePeriod)) ) { throw; } if (_debatingPeriod > 8 weeks) throw; if (!isFueled || now < closingTime || (msg.value < proposalDeposit && !_newCurator)) { throw; } if (now + _debatingPeriod < now) // prevents overflow throw; // to prevent a 51% attacker to convert the ether into deposit if (msg.sender == address(this)) throw; _proposalID = proposals.length++; Proposal p = proposals[_proposalID]; p.recipient = _recipient; p.amount = _amount; p.description = _description; p.proposalHash = sha3(_recipient, _amount, _transactionData); p.votingDeadline = now + _debatingPeriod; p.open = true; //p.proposalPassed = False; // that's default p.newCurator = _newCurator; if (_newCurator) p.splitData.length++; p.creator = msg.sender; p.proposalDeposit = msg.value; sumOfProposalDeposits += msg.value; ProposalAdded( _proposalID, _recipient, _amount, _newCurator, _description ); } function checkProposalCode( uint _proposalID, address _recipient, uint _amount, bytes _transactionData ) noEther constant returns (bool _codeChecksOut) { Proposal p = proposals[_proposalID]; return p.proposalHash == sha3(_recipient, _amount, _transactionData); } function vote( uint _proposalID, bool _supportsProposal ) onlyTokenholders noEther returns (uint _voteID) { Proposal p = proposals[_proposalID]; if (p.votedYes[msg.sender] || p.votedNo[msg.sender] || now >= p.votingDeadline) { throw; } if (_supportsProposal) { p.yea += balances[msg.sender]; p.votedYes[msg.sender] = true; } else { p.nay += balances[msg.sender]; p.votedNo[msg.sender] = true; } if (blocked[msg.sender] == 0) { blocked[msg.sender] = _proposalID; } else if (p.votingDeadline > proposals[blocked[msg.sender]].votingDeadline) { // this proposal's voting deadline is further into the future than // the proposal that blocks the sender so make it the blocker blocked[msg.sender] = _proposalID; } Voted(_proposalID, _supportsProposal, msg.sender); } function executeProposal( uint _proposalID, bytes _transactionData ) noEther returns (bool _success) { Proposal p = proposals[_proposalID]; uint waitPeriod = p.newCurator ? splitExecutionPeriod : executeProposalPeriod; // If we are over deadline and waiting period, assert proposal is closed if (p.open && now > p.votingDeadline + waitPeriod) { closeProposal(_proposalID); return; } // Check if the proposal can be executed if (now < p.votingDeadline // has the voting deadline arrived? // Have the votes been counted? || !p.open // Does the transaction code match the proposal? || p.proposalHash != sha3(p.recipient, p.amount, _transactionData)) { throw; } // If the curator removed the recipient from the whitelist, close the proposal // in order to free the deposit and allow unblocking of voters if (!isRecipientAllowed(p.recipient)) { closeProposal(_proposalID); p.creator.send(p.proposalDeposit); return; } bool proposalCheck = true; if (p.amount > actualBalance()) proposalCheck = false; uint quorum = p.yea + p.nay; // require 53% for calling newContract() if (_transactionData.length >= 4 && _transactionData[0] == 0x68 && _transactionData[1] == 0x37 && _transactionData[2] == 0xff && _transactionData[3] == 0x1e && quorum < minQuorum(actualBalance() + rewardToken[address(this)])) { proposalCheck = false; } if (quorum >= minQuorum(p.amount)) { if (!p.creator.send(p.proposalDeposit)) throw; lastTimeMinQuorumMet = now; // set the minQuorum to 20% again, in the case it has been reached if (quorum > totalSupply / 5) minQuorumDivisor = 5; } // Execute result if (quorum >= minQuorum(p.amount) && p.yea > p.nay && proposalCheck) { if (!p.recipient.call.value(p.amount)(_transactionData)) throw; p.proposalPassed = true; _success = true; // only create reward tokens when ether is not sent to the DAO itself and // related addresses. Proxy addresses should be forbidden by the curator. if (p.recipient != address(this) && p.recipient != address(rewardAccount) && p.recipient != address(DAOrewardAccount) && p.recipient != address(extraBalance) && p.recipient != address(curator)) { rewardToken[address(this)] += p.amount; totalRewardToken += p.amount; } } closeProposal(_proposalID); // Initiate event ProposalTallied(_proposalID, _success, quorum); } function closeProposal(uint _proposalID) internal { Proposal p = proposals[_proposalID]; if (p.open) sumOfProposalDeposits -= p.proposalDeposit; p.open = false; } function splitDAO( uint _proposalID, address _newCurator ) noEther onlyTokenholders returns (bool _success) { Proposal p = proposals[_proposalID]; // Sanity check if (now < p.votingDeadline // has the voting deadline arrived? //The request for a split expires XX days after the voting deadline || now > p.votingDeadline + splitExecutionPeriod // Does the new Curator address match? || p.recipient != _newCurator // Is it a new curator proposal? || !p.newCurator // Have you voted for this split? || !p.votedYes[msg.sender] // Did you already vote on another proposal? || (blocked[msg.sender] != _proposalID && blocked[msg.sender] != 0) ) { throw; } // If the new DAO doesn't exist yet, create the new DAO and store the // current split data if (address(p.splitData[0].newDAO) == 0) { p.splitData[0].newDAO = createNewDAO(_newCurator); // Call depth limit reached, etc. if (address(p.splitData[0].newDAO) == 0) throw; // should never happen if (this.balance < sumOfProposalDeposits) throw; p.splitData[0].splitBalance = actualBalance(); p.splitData[0].rewardToken = rewardToken[address(this)]; p.splitData[0].totalSupply = totalSupply; p.proposalPassed = true; } // Move ether and assign new Tokens uint fundsToBeMoved = (balances[msg.sender] * p.splitData[0].splitBalance) / p.splitData[0].totalSupply; if (p.splitData[0].newDAO.createTokenProxy.value(fundsToBeMoved)(msg.sender) == false) throw; // Assign reward rights to new DAO uint rewardTokenToBeMoved = (balances[msg.sender] * p.splitData[0].rewardToken) / p.splitData[0].totalSupply; uint paidOutToBeMoved = DAOpaidOut[address(this)] * rewardTokenToBeMoved / rewardToken[address(this)]; rewardToken[address(p.splitData[0].newDAO)] += rewardTokenToBeMoved; if (rewardToken[address(this)] < rewardTokenToBeMoved) throw; rewardToken[address(this)] -= rewardTokenToBeMoved; DAOpaidOut[address(p.splitData[0].newDAO)] += paidOutToBeMoved; if (DAOpaidOut[address(this)] < paidOutToBeMoved) throw; DAOpaidOut[address(this)] -= paidOutToBeMoved; // Burn DAO Tokens Transfer(msg.sender, 0, balances[msg.sender]); withdrawRewardFor(msg.sender); // be nice, and get his rewards totalSupply -= balances[msg.sender]; balances[msg.sender] = 0; paidOut[msg.sender] = 0; return true; } function newContract(address _newContract){ if (msg.sender != address(this) || !allowedRecipients[_newContract]) return; // move all ether if (!_newContract.call.value(address(this).balance)()) { throw; } //move all reward tokens rewardToken[_newContract] += rewardToken[address(this)]; rewardToken[address(this)] = 0; DAOpaidOut[_newContract] += DAOpaidOut[address(this)]; DAOpaidOut[address(this)] = 0; } function retrieveDAOReward(bool _toMembers) external noEther returns (bool _success) { DAO dao = DAO(msg.sender); if ((rewardToken[msg.sender] * DAOrewardAccount.accumulatedInput()) / totalRewardToken < DAOpaidOut[msg.sender]) throw; uint reward = (rewardToken[msg.sender] * DAOrewardAccount.accumulatedInput()) / totalRewardToken - DAOpaidOut[msg.sender]; if(_toMembers) { if (!DAOrewardAccount.payOut(dao.rewardAccount(), reward)) throw; } else { if (!DAOrewardAccount.payOut(dao, reward)) throw; } DAOpaidOut[msg.sender] += reward; return true; } function getMyReward() noEther returns (bool _success) { return withdrawRewardFor(msg.sender); } function withdrawRewardFor(address _account) noEther internal returns (bool _success) { if ((balanceOf(_account) * rewardAccount.accumulatedInput()) / totalSupply < paidOut[_account]) throw; uint reward = (balanceOf(_account) * rewardAccount.accumulatedInput()) / totalSupply - paidOut[_account]; if (!rewardAccount.payOut(_account, reward)) throw; paidOut[_account] += reward; return true; } function transfer(address _to, uint256 _value) returns (bool success) { if (isFueled && now > closingTime && !isBlocked(msg.sender) && transferPaidOut(msg.sender, _to, _value) && super.transfer(_to, _value)) { return true; } else { throw; } } function transferWithoutReward(address _to, uint256 _value) returns (bool success) { if (!getMyReward()) throw; return transfer(_to, _value); } function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { if (isFueled && now > closingTime && !isBlocked(_from) && transferPaidOut(_from, _to, _value) && super.transferFrom(_from, _to, _value)) { return true; } else { throw; } } function transferFromWithoutReward( address _from, address _to, uint256 _value ) returns (bool success) { if (!withdrawRewardFor(_from)) throw; return transferFrom(_from, _to, _value); } function transferPaidOut( address _from, address _to, uint256 _value ) internal returns (bool success) { uint transferPaidOut = paidOut[_from] * _value / balanceOf(_from); if (transferPaidOut > paidOut[_from]) throw; paidOut[_from] -= transferPaidOut; paidOut[_to] += transferPaidOut; return true; } function changeProposalDeposit(uint _proposalDeposit) noEther external { if (msg.sender != address(this) || _proposalDeposit > (actualBalance() + rewardToken[address(this)]) / maxDepositDivisor) { throw; } proposalDeposit = _proposalDeposit; } function changeAllowedRecipients(address _recipient, bool _allowed) noEther external returns (bool _success) { if (msg.sender != curator) throw; allowedRecipients[_recipient] = _allowed; AllowedRecipientChanged(_recipient, _allowed); return true; } function isRecipientAllowed(address _recipient) internal returns (bool _isAllowed) { if (allowedRecipients[_recipient] || (_recipient == address(extraBalance) // only allowed when at least the amount held in the // extraBalance account has been spent from the DAO && totalRewardToken > extraBalance.accumulatedInput())) return true; else return false; } function actualBalance() constant returns (uint _actualBalance) { return this.balance - sumOfProposalDeposits; } function minQuorum(uint _value) internal constant returns (uint _minQuorum) { // minimum of 20% and maximum of 53.33% return totalSupply / minQuorumDivisor + (_value * totalSupply) / (3 * (actualBalance() + rewardToken[address(this)])); } function halveMinQuorum() returns (bool _success) { // this can only be called after `quorumHalvingPeriod` has passed or at anytime // by the curator with a delay of at least `minProposalDebatePeriod` between the calls if ((lastTimeMinQuorumMet < (now - quorumHalvingPeriod) || msg.sender == curator) && lastTimeMinQuorumMet < (now - minProposalDebatePeriod)) { lastTimeMinQuorumMet = now; minQuorumDivisor *= 2; return true; } else { return false; } } function createNewDAO(address _newCurator) internal returns (DAO _newDAO) { NewCurator(_newCurator); return daoCreator.createDAO(_newCurator, 0, 0, now + splitExecutionPeriod); } function numberOfProposals() constant returns (uint _numberOfProposals) { // Don't count index 0. It's used by isBlocked() and exists from start return proposals.length - 1; } function getNewDAOAddress(uint _proposalID) constant returns (address _newDAO) { return proposals[_proposalID].splitData[0].newDAO; } function isBlocked(address _account) internal returns (bool) { if (blocked[_account] == 0) return false; Proposal p = proposals[blocked[_account]]; if (now > p.votingDeadline) { blocked[_account] = 0; return false; } else { return true; } } function unblockMe() returns (bool) { return isBlocked(msg.sender); } } contract DAO_Creator { function createDAO( address _curator, uint _proposalDeposit, uint _minTokensToCreate, uint _closingTime ) returns (DAO _newDAO) { return new DAO( _curator, DAO_Creator(this), _proposalDeposit, _minTokensToCreate, _closingTime, msg.sender ); } }