// Contract address: 0x5225f66168cc9c145b885d7af72054b52dbe1a0f // Contract name: MintDRCT // Etherscan link: https://etherscan.io/address/0x5225f66168cc9c145b885d7af72054b52dbe1a0f#code pragma solidity ^0.4.21; library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract Ownable { address public owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev The Ownable constructor sets the original `owner` of the contract to the sender * account. */ function Ownable() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } /** * @dev Allows the current owner to transfer control of the contract to a newOwner. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) public onlyOwner { require(newOwner != address(0)); OwnershipTransferred(owner, newOwner); owner = newOwner; } } contract Autonomy is Ownable { address public congress; modifier onlyCongress() { require(msg.sender == congress); _; } /** * @dev initialize a Congress contract address for this token * * @param _congress address the congress contract address */ function initialCongress(address _congress) onlyOwner public { require(_congress != address(0)); congress = _congress; } /** * @dev set a Congress contract address for this token * must change this address by the last congress contract * * @param _congress address the congress contract address */ function changeCongress(address _congress) onlyCongress public { require(_congress != address(0)); congress = _congress; } } contract Claimable is Ownable { address public pendingOwner; /** * @dev Modifier throws if called by any account other than the pendingOwner. */ modifier onlyPendingOwner() { require(msg.sender == pendingOwner); _; } /** * @dev Allows the current owner to set the pendingOwner address. * @param newOwner The address to transfer ownership to. */ function transferOwnership(address newOwner) onlyOwner public { pendingOwner = newOwner; } /** * @dev Allows the pendingOwner address to finalize the transfer. */ function claimOwnership() onlyPendingOwner public { OwnershipTransferred(owner, pendingOwner); owner = pendingOwner; pendingOwner = address(0); } } contract OwnerContract is Claimable { Claimable public ownedContract; address internal origOwner; /** * @dev bind a contract as its owner * * @param _contract the contract address that will be binded by this Owner Contract */ function bindContract(address _contract) onlyOwner public returns (bool) { require(_contract != address(0)); ownedContract = Claimable(_contract); origOwner = ownedContract.owner(); // take ownership of the owned contract ownedContract.claimOwnership(); return true; } /** * @dev change the owner of the contract from this contract address to the original one. * */ function transferOwnershipBack() onlyOwner public { ownedContract.transferOwnership(origOwner); ownedContract = Claimable(address(0)); origOwner = address(0); } /** * @dev change the owner of the contract from this contract address to another one. * * @param _nextOwner the contract address that will be next Owner of the original Contract */ function changeOwnershipto(address _nextOwner) onlyOwner public { ownedContract.transferOwnership(_nextOwner); ownedContract = Claimable(address(0)); origOwner = address(0); } } contract MintDRCT is OwnerContract, Autonomy { using SafeMath for uint256; uint256 public TOTAL_SUPPLY_CAP = 1000000000E18; bool public capInitialized = false; address[] internal mainAccounts = [ 0xaD5CcBE3aaB42812aa05921F0513C509A4fb5b67, // tokensale 0xBD37616a455f1054644c27CC9B348CE18D490D9b, // community 0x4D9c90Cc719B9bd445cea9234F0d90BaA79ad629, // foundation 0x21000ec96084D2203C978E38d781C84F497b0edE // miscellaneous ]; uint8[] internal mainPercentages = [30, 40, 15, 15]; mapping (address => uint) internal accountCaps; modifier afterCapInit() { require(capInitialized); _; } /** * @dev set capacity limitation for every main accounts * */ function initialCaps() onlyOwner public returns (bool) { for (uint i = 0; i < mainAccounts.length; i = i.add(1)) { accountCaps[mainAccounts[i]] = TOTAL_SUPPLY_CAP * mainPercentages[i] / 100; } capInitialized = true; return true; } /** * @dev Mint DRC Tokens from one specific wallet addresses * * @param _ind uint8 the main account index * @param _value uint256 the amounts of tokens to be minted */ function mintUnderCap(uint _ind, uint256 _value) onlyOwner afterCapInit public returns (bool) { require(_ind < mainAccounts.length); address accountAddr = mainAccounts[_ind]; uint256 accountBalance = MintableToken(ownedContract).balanceOf(accountAddr); require(_value <= accountCaps[accountAddr].sub(accountBalance)); return MintableToken(ownedContract).mint(accountAddr, _value); } /** * @dev Mint DRC Tokens from serveral specific wallet addresses * * @param _values uint256 the amounts of tokens to be minted */ function mintAll(uint256[] _values) onlyOwner afterCapInit public returns (bool) { require(_values.length == mainAccounts.length); bool res = true; for(uint i = 0; i < _values.length; i = i.add(1)) { res = mintUnderCap(i, _values[i]) && res; } return res; } /** * @dev Mint DRC Tokens from serveral specific wallet addresses upto cap limitation * */ function mintUptoCap() onlyOwner afterCapInit public returns (bool) { bool res = true; for(uint i = 0; i < mainAccounts.length; i = i.add(1)) { require(MintableToken(ownedContract).balanceOf(mainAccounts[i]) == 0); res = MintableToken(ownedContract).mint(mainAccounts[i], accountCaps[mainAccounts[i]]) && res; } require(res); return MintableToken(ownedContract).finishMinting(); // when up to cap limit, then stop minting. } /** * @dev raise the supply capacity of one specific wallet addresses * * @param _ind uint the main account index * @param _value uint256 the amounts of tokens to be added to capacity limitation */ function raiseCap(uint _ind, uint256 _value) onlyCongress afterCapInit public returns (bool) { require(_ind < mainAccounts.length); require(_value > 0); accountCaps[mainAccounts[_ind]] = accountCaps[mainAccounts[_ind]].add(_value); return true; } /** * @dev query the main account address of one type * * @param _ind the index of the main account */ function getMainAccount(uint _ind) public view returns (address) { require(_ind < mainAccounts.length); return mainAccounts[_ind]; } /** * @dev query the supply capacity of one type of main account * * @param _ind the index of the main account */ function getAccountCap(uint _ind) public view returns (uint256) { require(_ind < mainAccounts.length); return accountCaps[mainAccounts[_ind]]; } /** * @dev set one type of main account to another address * * @param _ind the main account index * @param _newAddr address the new main account address */ function setMainAccount(uint _ind, address _newAddr) onlyOwner public returns (bool) { require(_ind < mainAccounts.length); require(_newAddr != address(0)); mainAccounts[_ind] = _newAddr; return true; } } contract ERC20Basic { function totalSupply() public view returns (uint256); function balanceOf(address who) public view returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } contract BasicToken is ERC20Basic { using SafeMath for uint256; mapping(address => uint256) balances; uint256 totalSupply_; /** * @dev total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @dev transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[msg.sender]); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); Transfer(msg.sender, _to, _value); return true; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } } contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public view returns (uint256); function transferFrom(address from, address to, uint256 value) public returns (bool); function approve(address spender, uint256 value) public returns (bool); event Approval(address indexed owner, address indexed spender, uint256 value); } contract StandardToken is ERC20, BasicToken { mapping (address => mapping (address => uint256)) internal allowed; /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom(address _from, address _to, uint256 _value) public returns (bool) { require(_to != address(0)); require(_value <= balances[_from]); require(_value <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_value); balances[_to] = balances[_to].add(_value); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); Transfer(_from, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance(address _owner, address _spender) public view returns (uint256) { return allowed[_owner][_spender]; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval(address _spender, uint _addedValue) public returns (bool) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * * approve should be called when allowed[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) { uint oldValue = allowed[msg.sender][_spender]; if (_subtractedValue > oldValue) { allowed[msg.sender][_spender] = 0; } else { allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); } Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract MintableToken is StandardToken, Ownable { event Mint(address indexed to, uint256 amount); event MintFinished(); bool public mintingFinished = false; modifier canMint() { require(!mintingFinished); _; } /** * @dev Function to mint tokens * @param _to The address that will receive the minted tokens. * @param _amount The amount of tokens to mint. * @return A boolean that indicates if the operation was successful. */ function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) { totalSupply_ = totalSupply_.add(_amount); balances[_to] = balances[_to].add(_amount); Mint(_to, _amount); Transfer(address(0), _to, _amount); return true; } /** * @dev Function to stop minting new tokens. * @return True if the operation was successful. */ function finishMinting() onlyOwner canMint public returns (bool) { mintingFinished = true; MintFinished(); return true; } }
v0.4.21