pragma solidity ^0.4.21; contract ERC20Basic { uint256 public totalSupply; function balanceOf(address who) public constant returns (uint256); function transfer(address to, uint256 value) public returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); } /** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ 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. */ constructor() 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)); emit OwnershipTransferred(owner, newOwner); owner = newOwner; } } /** * @title Pausable * @dev Base contract which allows children to implement an emergency stop mechanism. */ contract Pausable is Ownable { event Pause(); event Unpause(); bool public paused = false; /** * @dev Modifier to make a function callable only when the contract is not paused. */ modifier whenNotPaused() { require(!paused); _; } /** * @dev Modifier to make a function callable only when the contract is paused. */ modifier whenPaused() { require(paused); _; } /** * @dev called by the owner to pause, triggers stopped state */ function pause() onlyOwner whenNotPaused public { paused = true; emit Pause(); } /** * @dev called by the owner to unpause, returns to normal state */ function unpause() onlyOwner whenPaused public { paused = false; emit Unpause(); } } /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ contract ERC20 is ERC20Basic { function allowance(address owner, address spender) public constant 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); } library SafeMath { function mul(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } 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; } function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } /** * @title Basic token * @dev Basic version of StandardToken, with no allowances. */ 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) public returns (bool) { require(_to != address(0x0)); // SafeMath.sub will throw if there is not enough balance. balances[msg.sender] = balances[msg.sender].sub(_value); balances[_to] = balances[_to].add(_value); emit 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 constant returns (uint256 balance) { return balances[_owner]; } } /** * @title Standard ERC20 token * * @dev Implementation of the basic standard token. * @dev https://github.com/ethereum/EIPs/issues/20 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract StandardToken is ERC20, BasicToken, Pausable { 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) public whenNotPaused returns (bool) { require(_to != address(0x0)); uint256 _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); emit Transfer(_from, _to, _value); return true; } function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) public constant whenNotPaused returns (uint256 remaining) { return allowed[_owner][_spender]; } function increaseApproval (address _spender, uint _addedValue) public whenNotPaused returns (bool success) { allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue); emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } function decreaseApproval (address _spender, uint _subtractedValue) public whenNotPaused 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); } emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); return true; } } contract Leaxcoin is StandardToken { using SafeMath for uint256; //Information coin string public name = "Leaxcoin"; string public symbol = "LEAX"; uint256 public decimals = 18; uint256 public totalSupply = 2000000000 * (10 ** decimals); //2 000 000 000 LEAX //Adress informated in white paper address public walletETH; //Wallet ETH address public contractAddress = this; //12% Team address public tokenSale; //50% ICO address public bounty; //15% bounty address public awardsReservations; //23% awards plataforma view in whitepaper //Utils ICO uint256 public tokensSold = 0; //total number of tokens sold uint256 public totalRaised = 0; //total amount of money raised in wei uint256 public totalTokenToSale = 0; uint256 public rate = 10000; //LEAX/ETH rate bool public pauseEmergence = false; //the owner address can set this to true to halt the crowdsale due to emergency //Time Start and Time end uint256 public icoStartTimestampStage = 1532563200; //07/26/2018 @ 12:00am (UTC) uint256 public icoEndTimestampStage = 1540598399; //10/26/2018 @ 11:59pm (UTC) uint256 public tokensTeamBlockedTimestamp = 1572134399; //10/26/2019 @ 11:59pm (UTC) // =================================== Events ================================================ event Burn(address indexed burner, uint256 value); // =================================== Constructor ============================================= constructor() public { walletETH = 0x4B8353Df6F3a0775C4a428453eCF5289867005c2; tokenSale = 0x9eEb17dcC7494A40876b5e91a97Ec7BdFD1eb83D; //50% bounty = 0x16F96C97487e27003cE1Ce37d7C95ab3E11BD6fe; //15% awardsReservations = 0x9Be9a6bA9Bc24c87DbC97F01594E81Ec4cFC5008; //23% //Distribution Token balances[tokenSale] = totalSupply.mul(50).div(100); //totalSupply * 50% balances[bounty] = totalSupply.mul(15).div(100); //totalSupply * 15% balances[contractAddress] = totalSupply.mul(12).div(100); //totalSupply * 12% balances[awardsReservations] = totalSupply.mul(23).div(100); //totalSupply * 23% //set token to sale totalTokenToSale = balances[tokenSale]; } // ======================================== Modifier ================================================== modifier acceptsFunds() { require(now >= icoStartTimestampStage); require(now <= icoEndTimestampStage); _; } modifier nonZeroBuy() { require(msg.value > 0); _; } modifier PauseEmergence { require(!pauseEmergence); _; } //========================================== Functions =========================================================================== /// fallback function to buy tokens function () PauseEmergence nonZeroBuy acceptsFunds payable public { uint256 amount = msg.value.mul(rate); assignTokens(msg.sender, amount); totalRaised = totalRaised.add(msg.value); forwardFundsToWallet(); } function forwardFundsToWallet() internal { // immediately send Ether to wallet address, propagates exception if execution fails walletETH.transfer(msg.value); } function assignTokens(address recipient, uint256 amount) internal { uint256 amountTotal = amount; balances[tokenSale] = balances[tokenSale].sub(amountTotal); balances[recipient] = balances[recipient].add(amountTotal); tokensSold = tokensSold.add(amountTotal); //test token sold, if it was sold more than the total available right total token total if (tokensSold > totalTokenToSale) { uint256 diferenceTotalSale = totalTokenToSale.sub(tokensSold); totalTokenToSale = tokensSold; totalSupply = tokensSold.add(diferenceTotalSale); } emit Transfer(0x0, recipient, amountTotal); } function manuallyAssignTokens(address recipient, uint256 amount) public onlyOwner { require(tokensSold < totalSupply); assignTokens(recipient, amount); } function setRate(uint256 _rate) public onlyOwner { require(_rate > 0); rate = _rate; } function setPauseEmergence() public onlyOwner { pauseEmergence = true; } function setUnPauseEmergence() public onlyOwner { pauseEmergence = false; } function sendTokenTeamAdvisor(address walletTeam) public onlyOwner { //test deadline to request token require(now >= tokensTeamBlockedTimestamp); require(walletTeam != 0x0); uint256 amount = 240000000 * (10 ** decimals); //send tokens balances[contractAddress] = 0; balances[walletTeam] = balances[walletTeam].add(amount); emit Transfer(contractAddress, walletTeam, amount); } function burn(uint256 _value) public whenNotPaused { require(_value > 0); address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply = totalSupply.sub(_value); emit Burn(burner, _value); } }
0.4.21