library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant 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 constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Owned {
address public owner;
address public newOwner;
function Owned() {
owner = msg.sender;
}
modifier onlyOwner {
assert(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
require(_newOwner != owner);
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
OwnerUpdate(owner, newOwner);
owner = newOwner;
newOwner = 0x0;
}
event OwnerUpdate(address _prevOwner, address _newOwner);
}
contract Lockable is Owned{
uint256 public lockedUntilBlock;
event ContractLocked(uint256 _untilBlock, string _reason);
modifier lockAffected {
require(block.number > lockedUntilBlock);
_;
}
function lockFromSelf(uint256 _untilBlock, string _reason) internal {
lockedUntilBlock = _untilBlock;
ContractLocked(_untilBlock, _reason);
}
function lockUntil(uint256 _untilBlock, string _reason) onlyOwner {
lockedUntilBlock = _untilBlock;
ContractLocked(_untilBlock, _reason);
}
}
contract ReentrancyHandlingContract{
bool locked;
modifier noReentrancy() {
require(!locked);
locked = true;
_;
locked = false;
}
}
contract IMintableToken {
function mintTokens(address _to, uint256 _amount){}
}
contract IERC20Token {
function totalSupply() constant returns (uint256 totalSupply);
function balanceOf(address _owner) constant returns (uint256 balance) {}
function transfer(address _to, uint256 _value) returns (bool success) {}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
function approve(address _spender, uint256 _value) returns (bool success) {}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract ItokenRecipient {
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData);
}
contract IToken {
function totalSupply() constant returns (uint256 totalSupply);
function mintTokens(address _to, uint256 _amount) {}
}
contract Token is IERC20Token, Owned, Lockable{
using SafeMath for uint256;
/* Public variables of the token */
string public standard;
string public name;
string public symbol;
uint8 public decimals;
address public crowdsaleContractAddress;
/* Private variables of the token */
uint256 supply = 0;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowances;
/* Events */
event Mint(address indexed _to, uint256 _value);
/* Returns total supply of issued tokens */
function totalSupply() constant returns (uint256) {
return supply;
}
/* Returns balance of address */
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
/* Transfers tokens from your address to other */
function transfer(address _to, uint256 _value) lockAffected returns (bool success) {
require(_to != 0x0 && _to != address(this));
balances[msg.sender] = balances[msg.sender].sub(_value); // Deduct senders balance
balances[_to] = balances[_to].add(_value); // Add recivers blaance
Transfer(msg.sender, _to, _value); // Raise Transfer event
return true;
}
/* Approve other address to spend tokens on your account */
function approve(address _spender, uint256 _value) lockAffected returns (bool success) {
allowances[msg.sender][_spender] = _value; // Set allowance
Approval(msg.sender, _spender, _value); // Raise Approval event
return true;
}
/* Approve and then communicate the approved contract in a single tx */
function approveAndCall(address _spender, uint256 _value, bytes _extraData) lockAffected returns (bool success) {
ItokenRecipient spender = ItokenRecipient(_spender); // Cast spender to tokenRecipient contract
approve(_spender, _value); // Set approval to contract for _value
spender.receiveApproval(msg.sender, _value, this, _extraData); // Raise method on _spender contract
return true;
}
/* A contract attempts to get the coins */
function transferFrom(address _from, address _to, uint256 _value) lockAffected returns (bool success) {
require(_to != 0x0 && _to != address(this));
balances[_from] = balances[_from].sub(_value); // Deduct senders balance
balances[_to] = balances[_to].add(_value); // Add recipient blaance
allowances[_from][msg.sender] = allowances[_from][msg.sender].sub(_value); // Deduct allowance for this address
Transfer(_from, _to, _value); // Raise Transfer event
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowances[_owner][_spender];
}
function mintTokens(address _to, uint256 _amount) {
require(msg.sender == crowdsaleContractAddress);
supply = supply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(0x0, _to, _amount);
}
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
}
contract VibeToken is Token {
/* Initializes contract */
function VibeToken() {
standard = "Viberate token v1.0";
name = "Vibe";
symbol = "VIB";
decimals = 18;
crowdsaleContractAddress = 0x91C94BEe75786fBBFdCFefBa1102b68f48A002F4;
lockFromSelf(4352535, "Lock before crowdsale starts");
}
}
{
"compilationTarget": {
"VibeToken.sol": "VibeToken"
},
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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