pragma solidity ^0.4.15;
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) constant returns (uint256);
function transfer(address to, uint256 value) returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint256);
function transferFrom(address from, address to, uint256 value) returns (bool);
function approve(address spender, uint256 value) returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
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) onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal 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;
}
function sub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function minimum( uint a, uint b) internal returns ( uint result) {
if ( a <= b ) {
result = a;
}
else {
result = b;
}
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
/**
* @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) returns (bool) {
require(_to != address(0));
// 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) constant returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) 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) returns (bool) {
require(_to != address(0));
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// require (_value <= _allowance);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.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.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) returns (bool) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender, 0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_value == 0) || (allowed[msg.sender][_spender] == 0));
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) constant returns (uint256 remaining) {
return allowed[_owner][_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
*/
function increaseApproval (address _spender, uint _addedValue)
returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue)
returns (bool success) {
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 DRTCoin is StandardToken, Ownable {
/* Overriding some ERC20 variables */
string public constant name = "DomRaiderToken";
string public constant symbol = "DRT";
uint256 public constant decimals = 8;
/* DRT specific variables */
// Max amount of tokens minted - Exact value input with stretch goals and before deploying contract
uint256 public constant MAX_SUPPLY_OF_TOKEN = 1300000000 * 10 ** decimals;
// Freeze duration for advisors accounts
uint public constant START_ICO_TIMESTAMP = 1507622400;
uint public constant DEFROST_PERIOD = 43200; // month in minutes (1 month = 43200 min)
uint public constant DEFROST_MONTHLY_PERCENT_OWNER = 5; // 5% per month is automatically defrosted
uint public constant DEFROST_INITIAL_PERCENT_OWNER = 10; // 90% locked
uint public constant DEFROST_MONTHLY_PERCENT = 10; // 10% per month is automatically defrosted
uint public constant DEFROST_INITIAL_PERCENT = 20; // 80% locked
// Fields that can be changed by functions
address[] icedBalances;
mapping (address => uint256) icedBalances_frosted;
mapping (address => uint256) icedBalances_defrosted;
uint256 ownerFrosted;
uint256 ownerDefrosted;
// Variable useful for verifying that the assignedSupply matches that totalSupply
uint256 public assignedSupply;
//Boolean to allow or not the initial assignment of token (batch)
bool public batchAssignStopped = false;
/**
* @dev Constructor that gives msg.sender all of existing tokens.
*/
function DRTCoin() {
owner = msg.sender;
uint256 amount = 545000000 * 10 ** decimals;
uint256 amount2assign = amount * DEFROST_INITIAL_PERCENT_OWNER / 100;
balances[owner] = amount2assign;
ownerDefrosted = amount2assign;
ownerFrosted = amount - amount2assign;
totalSupply = MAX_SUPPLY_OF_TOKEN;
assignedSupply = amount;
}
/**
* @dev Transfer tokens in batches (of addresses)
* @param _vaddr address The address which you want to send tokens from
* @param _vamounts address The address which you want to transfer to
*/
function batchAssignTokens(address[] _vaddr, uint[] _vamounts, bool[] _vIcedBalance) onlyOwner {
require(batchAssignStopped == false);
require(_vaddr.length == _vamounts.length);
//Looping into input arrays to assign target amount to each given address
for (uint index = 0; index < _vaddr.length; index++) {
address toAddress = _vaddr[index];
uint amount = _vamounts[index] * 10 ** decimals;
bool isIced = _vIcedBalance[index];
if (balances[toAddress] == 0) {
// In case it's filled two times, it only increments once
// Assigns the balance
assignedSupply += amount;
if (isIced == false) {
// Normal account
balances[toAddress] = amount;
}
else {
// Iced account. The balance is not affected here
icedBalances.push(toAddress);
uint256 amount2assign = amount * DEFROST_INITIAL_PERCENT / 100;
balances[toAddress] = amount2assign;
icedBalances_defrosted[toAddress] = amount2assign;
icedBalances_frosted[toAddress] = amount - amount2assign;
}
}
}
}
function canDefrost() onlyOwner constant returns (bool bCanDefrost){
bCanDefrost = now > START_ICO_TIMESTAMP;
}
function getBlockTimestamp() constant returns (uint256){
return now;
}
/**
* @dev Defrost token (for advisors)
* Method called by the owner once per defrost period (1 month)
*/
function defrostToken() onlyOwner {
require(now > START_ICO_TIMESTAMP);
// Looping into the iced accounts
for (uint index = 0; index < icedBalances.length; index++) {
address currentAddress = icedBalances[index];
uint256 amountTotal = icedBalances_frosted[currentAddress] + icedBalances_defrosted[currentAddress];
uint256 targetDeFrosted = (SafeMath.minimum(100, DEFROST_INITIAL_PERCENT + elapsedMonthsFromICOStart() * DEFROST_MONTHLY_PERCENT)) * amountTotal / 100;
uint256 amountToRelease = targetDeFrosted - icedBalances_defrosted[currentAddress];
if (amountToRelease > 0) {
icedBalances_frosted[currentAddress] = icedBalances_frosted[currentAddress] - amountToRelease;
icedBalances_defrosted[currentAddress] = icedBalances_defrosted[currentAddress] + amountToRelease;
balances[currentAddress] = balances[currentAddress] + amountToRelease;
}
}
}
/**
* Defrost for the owner of the contract
*/
function defrostOwner() onlyOwner {
if (now < START_ICO_TIMESTAMP) {
return;
}
uint256 amountTotal = ownerFrosted + ownerDefrosted;
uint256 targetDeFrosted = (SafeMath.minimum(100, DEFROST_INITIAL_PERCENT_OWNER + elapsedMonthsFromICOStart() * DEFROST_MONTHLY_PERCENT_OWNER)) * amountTotal / 100;
uint256 amountToRelease = targetDeFrosted - ownerDefrosted;
if (amountToRelease > 0) {
ownerFrosted = ownerFrosted - amountToRelease;
ownerDefrosted = ownerDefrosted + amountToRelease;
balances[owner] = balances[owner] + amountToRelease;
}
}
function elapsedMonthsFromICOStart() constant returns (uint elapsed) {
elapsed = ((now - START_ICO_TIMESTAMP) / 60) / DEFROST_PERIOD;
}
function stopBatchAssign() onlyOwner {
require(batchAssignStopped == false);
batchAssignStopped = true;
}
function getAddressBalance(address addr) constant returns (uint256 balance) {
balance = balances[addr];
}
function getAddressAndBalance(address addr) constant returns (address _address, uint256 _amount) {
_address = addr;
_amount = balances[addr];
}
function getIcedAddresses() constant returns (address[] vaddr) {
vaddr = icedBalances;
}
function getIcedInfos(address addr) constant returns (address icedaddr, uint256 balance, uint256 frosted, uint256 defrosted) {
icedaddr = addr;
balance = balances[addr];
frosted = icedBalances_frosted[addr];
defrosted = icedBalances_defrosted[addr];
}
function getOwnerInfos() constant returns (address owneraddr, uint256 balance, uint256 frosted, uint256 defrosted) {
owneraddr = owner;
balance = balances[owneraddr];
frosted = ownerFrosted;
defrosted = ownerDefrosted;
}
}
{
"compilationTarget": {
"DRTCoin.sol": "DRTCoin"
},
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 0
},
"remappings": []
}
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