pragma solidity ^0.4.18; /** * @title SafeMath */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { if (a == 0) { return 0; } 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 a / b; } /** * @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 c) { c = a + b; assert(c >= a); return c; } } contract ForeignToken { function balanceOf(address _owner) constant public returns (uint256); function transfer(address _to, uint256 _value) public returns (bool); } 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); } 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); } contract botXcoin is ERC20 { using SafeMath for uint256; address owner = msg.sender; mapping (address => uint256) balances; mapping (address => mapping (address => uint256)) allowed; mapping (address => bool) public holdAccount; string public constant name = "botXcoin"; string public constant symbol = "BOTX"; uint public constant decimals = 18; uint256 public totalSupply = 5000000000e18; // Supply uint256 public totalDistributed = 0; uint256 public min_contribution = 1 ether / 100; // 0.01 Ether uint256 public tokensPerEth = 10000e18; event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); event Distr(address indexed to, uint256 amount); event DistrFinished(); event Airdrop(address indexed _owner, uint _amount, uint _balance); event ICO(address indexed _owner, uint _amount, uint _balance); event MinContributionUpdated(uint _mincontribution); event TokensPerEthUpdated(uint _tokensPerEth); event Burn(address indexed burner, uint256 value); event HoldFunds(address target, bool hold); bool public distributionFinished = false; modifier canDistr() { require(!distributionFinished); _; } modifier cantDistr() { require(distributionFinished); _; } modifier onlyOwner() { require(msg.sender == owner); _; } // function RandiCoin () public { // owner = msg.sender; // distr(owner, totalDistributed); // } function transferOwnership(address newOwner) onlyOwner public { if (newOwner != address(0)) { owner = newOwner; } } function finishDistribution() onlyOwner canDistr public returns (bool) { distributionFinished = true; emit DistrFinished(); return true; } function startDistribution() onlyOwner cantDistr public returns (bool) { distributionFinished = false; emit DistrFinished(); return true; } function distr(address _to, uint256 _amount) canDistr private returns (bool) { totalDistributed = totalDistributed.add(_amount); balances[_to] = balances[_to].add(_amount); emit Distr(_to, _amount); emit Transfer(address(0), _to, _amount); return true; } function doAirdrop(address _participant, uint _amount) internal { require( _amount > 0 ); require( totalDistributed < totalSupply ); balances[_participant] = balances[_participant].add(_amount); totalDistributed = totalDistributed.add(_amount); if (totalDistributed >= totalSupply) { distributionFinished = true; } emit Airdrop(_participant, _amount, balances[_participant]); emit Transfer(address(0), _participant, _amount); } function doICO(address _participant, uint _amount) internal { require( _amount > 0 ); require( totalDistributed < totalSupply ); balances[_participant] = balances[_participant].add(_amount); totalDistributed = totalDistributed.add(_amount); if (totalDistributed >= totalSupply) { distributionFinished = true; } emit ICO(_participant, _amount, balances[_participant]); emit Transfer(address(0), _participant, _amount); } function adminClaimICO(address[] _addresses, uint[] _amount) public onlyOwner { for (uint i = 0; i < _addresses.length; i++) doICO(_addresses[i], _amount[i]); } function adminClaimAirdrop(address _participant, uint _amount) public onlyOwner { doAirdrop(_participant, _amount); } function adminClaimAirdropMultiple1(address[] _addresses, uint _amount) public onlyOwner { for (uint i = 0; i < _addresses.length; i++) doAirdrop(_addresses[i], _amount); } function adminClaimAirdropMultiple2(address[] _addresses, uint[] _amount) public onlyOwner { for (uint i = 0; i < _addresses.length; i++) doAirdrop(_addresses[i], _amount[i]); } function updateMinContribution(uint _mincontribution) public onlyOwner { min_contribution = _mincontribution; emit MinContributionUpdated(_mincontribution); } function updateTokensPerEth(uint _tokensPerEth) public onlyOwner { tokensPerEth = _tokensPerEth; emit TokensPerEthUpdated(_tokensPerEth); } function () external payable { getTokens(); } function getTokens() payable canDistr public { uint256 tokens = 0; require( msg.value >= min_contribution ); require( msg.value > 0 ); tokens = tokensPerEth.mul(msg.value) / 1 ether; address investor = msg.sender; if (tokens > 0) { distr(investor, tokens); } if (totalDistributed >= totalSupply) { distributionFinished = true; } } function balanceOf(address _owner) constant public returns (uint256) { return balances[_owner]; } function holdAccountOf(address _owner) constant public returns (bool) { return holdAccount[_owner]; } // mitigates the ERC20 short address attack modifier onlyPayloadSize(uint size) { assert(msg.data.length >= size + 4); _; } function transfer(address _to, uint256 _amount) onlyPayloadSize(2 * 32) public returns (bool success) { require(_to != address(0)); require(_amount <= balances[msg.sender]); require(!holdAccount[msg.sender]); balances[msg.sender] = balances[msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(msg.sender, _to, _amount); return true; } function transferFrom(address _from, address _to, uint256 _amount) onlyPayloadSize(3 * 32) public returns (bool success) { require(_to != address(0)); require(_amount <= balances[_from]); require(_amount <= allowed[_from][msg.sender]); balances[_from] = balances[_from].sub(_amount); allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount); balances[_to] = balances[_to].add(_amount); emit Transfer(_from, _to, _amount); return true; } function approve(address _spender, uint256 _value) public returns (bool success) { // mitigates the ERC20 spend/approval race condition if (_value != 0 && allowed[msg.sender][_spender] != 0) { return false; } allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function HoldAccount(address target, bool hold) onlyOwner public { holdAccount[target] = hold; emit HoldFunds(target, hold); } function HoldAccountMulti(address[] _target, bool _hold) onlyOwner public { for (uint i = 0; i < _target.length; i++) { holdAccount[_target[i]] = _hold; emit HoldFunds(_target[i], _hold); } } function allowance(address _owner, address _spender) constant public returns (uint256) { return allowed[_owner][_spender]; } function getTokenBalance(address tokenAddress, address who) constant public returns (uint){ ForeignToken t = ForeignToken(tokenAddress); uint bal = t.balanceOf(who); return bal; } function withdraw() onlyOwner public { address myAddress = this; uint256 etherBalance = myAddress.balance; owner.transfer(etherBalance); } function burn(uint256 _value) onlyOwner public { require(_value <= balances[msg.sender]); address burner = msg.sender; balances[burner] = balances[burner].sub(_value); totalSupply = totalSupply.sub(_value); totalDistributed = totalDistributed.sub(_value); emit Burn(burner, _value); } function withdrawForeignTokens(address _tokenContract) onlyOwner public returns (bool) { ForeignToken token = ForeignToken(_tokenContract); uint256 amount = token.balanceOf(address(this)); return token.transfer(owner, amount); } }

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