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1242 lines
45 KiB
1242 lines
45 KiB
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//
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// Modified version to be compiler with sol 0.4
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//
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/*
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- Bytecode Verification performed was compared on second iteration -
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This file is part of the DAO.
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The DAO is free software: you can redistribute it and/or modify
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it under the terms of the GNU lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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|
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The DAO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU lesser General Public License for more details.
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You should have received a copy of the GNU lesser General Public License
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along with the DAO. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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Basic, standardized Token contract with no "premine". Defines the functions to
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check token balances, send tokens, send tokens on behalf of a 3rd party and the
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corresponding approval process. Tokens need to be created by a derived
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contract (e.g. TokenCreation.sol).
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Thank you ConsenSys, this contract originated from:
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https://github.com/ConsenSys/Tokens/blob/master/Token_Contracts/contracts/Standard_Token.sol
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Which is itself based on the Ethereum standardized contract APIs:
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https://github.com/ethereum/wiki/wiki/Standardized_Contract_APIs
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*/
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/// @title Standard Token Contract.
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contract TokenInterface {
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mapping (address => uint256) balances;
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mapping (address => mapping (address => uint256)) allowed;
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/// Total amount of tokens
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uint256 public totalSupply;
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/// @param _owner The address from which the balance will be retrieved
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/// @return The balance
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function balanceOf(address _owner) constant returns (uint256 balance);
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/// @notice Send `_amount` tokens to `_to` from `msg.sender`
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/// @param _to The address of the recipient
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/// @param _amount The amount of tokens to be transferred
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/// @return Whether the transfer was successful or not
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function transfer(address _to, uint256 _amount) returns (bool success);
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/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
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/// is approved by `_from`
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/// @param _from The address of the origin of the transfer
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/// @param _to The address of the recipient
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/// @param _amount The amount of tokens to be transferred
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/// @return Whether the transfer was successful or not
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function transferFrom(address _from, address _to, uint256 _amount) returns (bool success);
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/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
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/// its behalf
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/// @param _spender The address of the account able to transfer the tokens
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/// @param _amount The amount of tokens to be approved for transfer
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/// @return Whether the approval was successful or not
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function approve(address _spender, uint256 _amount) returns (bool success);
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/// @param _owner The address of the account owning tokens
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/// @param _spender The address of the account able to transfer the tokens
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/// @return Amount of remaining tokens of _owner that _spender is allowed
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/// to spend
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function allowance(
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address _owner,
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address _spender
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) constant returns (uint256 remaining);
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event Transfer(address indexed _from, address indexed _to, uint256 _amount);
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event Approval(
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address indexed _owner,
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address indexed _spender,
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uint256 _amount
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);
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}
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contract Token is TokenInterface {
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// Protects users by preventing the execution of method calls that
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// inadvertently also transferred ether
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modifier noEther() {if (msg.value > 0) throw; _;}
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function balanceOf(address _owner) constant returns (uint256 balance) {
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return balances[_owner];
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}
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function transfer(address _to, uint256 _amount) noEther returns (bool success) {
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if (balances[msg.sender] >= _amount && _amount > 0) {
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balances[msg.sender] -= _amount;
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balances[_to] += _amount;
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Transfer(msg.sender, _to, _amount);
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return true;
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} else {
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return false;
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}
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}
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function transferFrom(
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address _from,
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address _to,
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uint256 _amount
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) noEther returns (bool success) {
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if (balances[_from] >= _amount
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&& allowed[_from][msg.sender] >= _amount
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&& _amount > 0) {
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balances[_to] += _amount;
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balances[_from] -= _amount;
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allowed[_from][msg.sender] -= _amount;
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Transfer(_from, _to, _amount);
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return true;
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} else {
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return false;
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}
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}
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function approve(address _spender, uint256 _amount) returns (bool success) {
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allowed[msg.sender][_spender] = _amount;
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Approval(msg.sender, _spender, _amount);
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return true;
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}
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function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
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return allowed[_owner][_spender];
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}
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}
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/*
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This file is part of the DAO.
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The DAO is free software: you can redistribute it and/or modify
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|
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.
|
|
|
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You should have received a copy of the GNU lesser General Public License
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|
along with the DAO. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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Basic account, used by the DAO contract to separately manage both the rewards
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and the extraBalance accounts.
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*/
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contract ManagedAccountInterface {
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// The only address with permission to withdraw from this account
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address public owner;
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// If true, only the owner of the account can receive ether from it
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bool public payOwnerOnly;
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// The sum of ether (in wei) which has been sent to this contract
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uint public accumulatedInput;
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/// @notice Sends `_amount` of wei to _recipient
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/// @param _amount The amount of wei to send to `_recipient`
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/// @param _recipient The address to receive `_amount` of wei
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/// @return True if the send completed
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function payOut(address _recipient, uint _amount) returns (bool);
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event PayOut(address indexed _recipient, uint _amount);
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}
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contract ManagedAccount is ManagedAccountInterface{
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// The constructor sets the owner of the account
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function ManagedAccount(address _owner, bool _payOwnerOnly) {
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owner = _owner;
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payOwnerOnly = _payOwnerOnly;
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}
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// When the contract receives a transaction without data this is called.
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// It counts the amount of ether it receives and stores it in
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// accumulatedInput.
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function() {
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accumulatedInput += msg.value;
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}
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function payOut(address _recipient, uint _amount) returns (bool) {
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if (msg.sender != owner || msg.value > 0 || (payOwnerOnly && _recipient != owner))
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throw;
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if (_recipient.call.value(_amount)()) {
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PayOut(_recipient, _amount);
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return true;
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} else {
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return false;
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}
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}
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}
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/*
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This file is part of the DAO.
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|
|
|
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/>.
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*/
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/*
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* Token Creation contract, used by the DAO to create its tokens and initialize
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* its ether. Feel free to modify the divisor method to implement different
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* Token Creation parameters
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*/
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contract TokenCreationInterface {
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// End of token creation, in Unix time
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uint public closingTime;
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// Minimum fueling goal of the token creation, denominated in tokens to
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// be created
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uint public minTokensToCreate;
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// True if the DAO reached its minimum fueling goal, false otherwise
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bool public isFueled;
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// For DAO splits - if privateCreation is 0, then it is a public token
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// creation, otherwise only the address stored in privateCreation is
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// allowed to create tokens
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address public privateCreation;
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// hold extra ether which has been sent after the DAO token
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// creation rate has increased
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ManagedAccount public extraBalance;
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// tracks the amount of wei given from each contributor (used for refund)
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mapping (address => uint256) weiGiven;
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/// @dev Constructor setting the minimum fueling goal and the
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/// end of the Token Creation
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/// @param _minTokensToCreate Minimum fueling goal in number of
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/// Tokens to be created
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/// @param _closingTime Date (in Unix time) of the end of the Token Creation
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/// @param _privateCreation Zero means that the creation is public. A
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/// non-zero address represents the only address that can create Tokens
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/// (the address can also create Tokens on behalf of other accounts)
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// This is the constructor: it can not be overloaded so it is commented out
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// function TokenCreation(
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// uint _minTokensTocreate,
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// uint _closingTime,
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// address _privateCreation
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// );
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/// @notice Create Token with `_tokenHolder` as the initial owner of the Token
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/// @param _tokenHolder The address of the Tokens's recipient
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/// @return Whether the token creation was successful
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function createTokenProxy(address _tokenHolder) payable returns (bool success);
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/// @notice Refund `msg.sender` in the case the Token Creation did
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/// not reach its minimum fueling goal
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function refund();
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/// @return The divisor used to calculate the token creation rate during
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/// the creation phase
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function divisor() constant returns (uint divisor);
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event FuelingToDate(uint value);
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event CreatedToken(address indexed to, uint amount);
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event Refund(address indexed to, uint value);
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}
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contract TokenCreation is TokenCreationInterface, Token {
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function TokenCreation(
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uint _minTokensToCreate,
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uint _closingTime,
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address _privateCreation) {
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closingTime = _closingTime;
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minTokensToCreate = _minTokensToCreate;
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privateCreation = _privateCreation;
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extraBalance = new ManagedAccount(address(this), true);
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}
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function createTokenProxy(address _tokenHolder) payable returns (bool success) {
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if (now < closingTime && msg.value > 0
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&& (privateCreation == 0 || privateCreation == msg.sender)) {
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uint token = (msg.value * 20) / divisor();
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extraBalance.call.value(msg.value - token)();
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balances[_tokenHolder] += token;
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totalSupply += token;
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weiGiven[_tokenHolder] += msg.value;
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CreatedToken(_tokenHolder, token);
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if (totalSupply >= minTokensToCreate && !isFueled) {
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isFueled = true;
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FuelingToDate(totalSupply);
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}
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return true;
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}
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throw;
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}
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function refund() noEther {
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if (now > closingTime && !isFueled) {
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// Get extraBalance - will only succeed when called for the first time
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if (extraBalance.balance >= extraBalance.accumulatedInput())
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extraBalance.payOut(address(this), extraBalance.accumulatedInput());
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// Execute refund
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if (msg.sender.call.value(weiGiven[msg.sender])()) {
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Refund(msg.sender, weiGiven[msg.sender]);
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totalSupply -= balances[msg.sender];
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balances[msg.sender] = 0;
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weiGiven[msg.sender] = 0;
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}
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}
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}
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function divisor() constant returns (uint divisor) {
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// The number of (base unit) tokens per wei is calculated
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// as `msg.value` * 20 / `divisor`
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// The fueling period starts with a 1:1 ratio
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if (closingTime - 2 weeks > now) {
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return 20;
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// Followed by 10 days with a daily creation rate increase of 5%
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} else if (closingTime - 4 days > now) {
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return (20 + (now - (closingTime - 2 weeks)) / (1 days));
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// The last 4 days there is a constant creation rate ratio of 1:1.5
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} else {
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return 30;
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}
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}
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}
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/*
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|
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/>.
|
|
*/
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/*
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Standard smart contract for a Decentralized Autonomous Organization (DAO)
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to automate organizational governance and decision-making.
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*/
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contract DAOInterface {
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// The amount of days for which people who try to participate in the
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// creation by calling the fallback function will still get their ether back
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uint constant creationGracePeriod = 40 days;
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// The minimum debate period that a generic proposal can have
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uint constant minProposalDebatePeriod = 2 weeks;
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// The minimum debate period that a split proposal can have
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uint constant minSplitDebatePeriod = 1 weeks;
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// Period of days inside which it's possible to execute a DAO split
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uint constant splitExecutionPeriod = 27 days;
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// Period of time after which the minimum Quorum is halved
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uint constant quorumHalvingPeriod = 25 weeks;
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// Period after which a proposal is closed
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// (used in the case `executeProposal` fails because it throws)
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uint constant executeProposalPeriod = 10 days;
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// Denotes the maximum proposal deposit that can be given. It is given as
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// a fraction of total Ether spent plus balance of the DAO
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uint constant maxDepositDivisor = 100;
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// Proposals to spend the DAO's ether or to choose a new Curator
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Proposal[] public proposals;
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// The quorum needed for each proposal is partially calculated by
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// totalSupply / minQuorumDivisor
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uint public minQuorumDivisor;
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// The unix time of the last time quorum was reached on a proposal
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uint public lastTimeMinQuorumMet;
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// Address of the curator
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address public curator;
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// The whitelist: List of addresses the DAO is allowed to send ether to
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mapping (address => bool) public allowedRecipients;
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// Tracks the addresses that own Reward Tokens. Those addresses can only be
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// DAOs that have split from the original DAO. Conceptually, Reward Tokens
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// represent the proportion of the rewards that the DAO has the right to
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// receive. These Reward Tokens are generated when the DAO spends ether.
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mapping (address => uint) public rewardToken;
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// Total supply of rewardToken
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uint public totalRewardToken;
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// The account used to manage the rewards which are to be distributed to the
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// DAO Token Holders of this DAO
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ManagedAccount public rewardAccount;
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// The account used to manage the rewards which are to be distributed to
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// any DAO that holds Reward Tokens
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ManagedAccount public DAOrewardAccount;
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// Amount of rewards (in wei) already paid out to a certain DAO
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mapping (address => uint) public DAOpaidOut;
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// Amount of rewards (in wei) already paid out to a certain address
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mapping (address => uint) public paidOut;
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// Map of addresses blocked during a vote (not allowed to transfer DAO
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// tokens). The address points to the proposal ID.
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|
mapping (address => uint) public blocked;
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// The minimum deposit (in wei) required to submit any proposal that is not
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// requesting a new Curator (no deposit is required for splits)
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uint public proposalDeposit;
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// the accumulated sum of all current proposal deposits
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|
uint sumOfProposalDeposits;
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// Contract that is able to create a new DAO (with the same code as
|
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// this one), used for splits
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DAO_Creator public daoCreator;
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|
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// A proposal with `newCurator == false` represents a transaction
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// to be issued by this DAO
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|
// A proposal with `newCurator == true` represents a DAO split
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|
struct Proposal {
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|
// 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).
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|
address recipient;
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|
// 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[][] splitData2;
|
|
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 ();
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|
|
|
|
|
/// @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 () {
|
|
/* 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
|
|
);
|
|
}
|
|
}
|
|
|