pragma solidity 0.4.18;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
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 Substracts 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;
}
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
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);
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
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 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];
}
}
/**
* @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 {
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 BBIToken is StandardToken {
string public constant name = "Beluga Banking Infrastructure Token";
string public constant symbol = "BBI";
uint256 public constant decimals= 18;
uint public totalUsed = 0;
uint public etherRaised = 0;
/*
* ICO : 01-Mar-2018 00:00:00 GMT - 31-Mar-2018 23:59:59 GMT
*/
uint public icoEndDate = 1522540799; // 31-Mar-2018 23:59:59 GMT
uint constant SECONDS_IN_YEAR = 31536000; // 365 * 24 * 60 * 60 secs
// flag for emergency stop or start
bool public halted = false;
uint public etherCap = 30000 * (10 ** uint256(decimals)); // 30,000 Ether
uint public maxAvailableForSale = 29800000 * (10 ** uint256(decimals)); // ( 29.8M )
uint public tokensPreSale = 10200000 * (10 ** uint256(decimals)); // ( 10.2M )
uint public tokensTeam = 30000000 * (10 ** uint256(decimals)); // ( 30M )
uint public tokensCommunity = 5000000 * (10 ** uint256(decimals)); // ( 5M )
uint public tokensMasterNodes = 5000000 * (10 ** uint256(decimals)); // ( 5M )
uint public tokensBankPartners = 5000000 * (10 ** uint256(decimals)); // ( 5M )
uint public tokensDataProviders = 5000000 * (10 ** uint256(decimals)); // ( 5M )
/*
* team classification flag
* for defining the lock period
*/
uint constant teamInternal = 1; // team and community
uint constant teamPartners = 2; // bank partner, data providers etc
uint constant icoInvestors = 3; // ico investors
/*
* Addresses
*/
address public addressETHDeposit = 0x0D2b5B427E0Bd97c71D4DF281224540044D279E1;
address public addressTeam = 0x7C898F01e85a5387D58b52C6356B5AE0D5aa48ba;
address public addressCommunity = 0xB7218D5a1f1b304E6bD69ea35C93BA4c1379FA43;
address public addressBankPartners = 0xD5BC3c2894af7CB046398257df7A447F44b0CcA1;
address public addressDataProviders = 0x9f6fce8c014210D823FdFFA274f461BAdC279A42;
address public addressMasterNodes = 0x8ceA6dABB68bc9FCD6982E537A16bC9D219605b0;
address public addressPreSale = 0x2526082305FdB4B999340Db3D53bD2a60F674101;
address public addressICOManager = 0xE5B3eF1fde3761225C9976EBde8D67bb54d7Ae17;
/*
* Contract Constructor
*/
function BBIToken() public {
totalSupply_ = 90000000 * (10 ** uint256(decimals)); // 90,000,000 - 90M;
balances[addressTeam] = tokensTeam;
balances[addressCommunity] = tokensCommunity;
balances[addressBankPartners] = tokensBankPartners;
balances[addressDataProviders] = tokensDataProviders;
balances[addressMasterNodes] = tokensMasterNodes;
balances[addressPreSale] = tokensPreSale;
balances[addressICOManager] = maxAvailableForSale;
Transfer(this, addressTeam, tokensTeam);
Transfer(this, addressCommunity, tokensCommunity);
Transfer(this, addressBankPartners, tokensBankPartners);
Transfer(this, addressDataProviders, tokensDataProviders);
Transfer(this, addressMasterNodes, tokensMasterNodes);
Transfer(this, addressPreSale, tokensPreSale);
Transfer(this, addressICOManager, maxAvailableForSale);
}
/*
* Emergency Stop or Start ICO.
*/
function halt() onlyManager public{
require(msg.sender == addressICOManager);
halted = true;
}
function unhalt() onlyManager public {
require(msg.sender == addressICOManager);
halted = false;
}
/*
* Check whether ICO running or not.
*/
modifier onIcoRunning() {
// Checks, if ICO is running and has not been stopped
require( halted == false);
_;
}
modifier onIcoStopped() {
// Checks if ICO was stopped or deadline is reached
require( halted == true);
_;
}
modifier onlyManager() {
// only ICO manager can do this action
require(msg.sender == addressICOManager);
_;
}
/*
* ERC 20 Standard Token interface transfer function
* Prevent transfers until ICO period is over.
*
* Transfer
* - Allow 50% after six months for Community and Team
* - Allow all including (Dataproviders, MasterNodes, Bank) after one year
* - Allow Investors after ICO end date
*/
function transfer(address _to, uint256 _value) public returns (bool success)
{
if ( msg.sender == addressICOManager) { return super.transfer(_to, _value); }
// Team can transfer upto 50% of tokens after six months of ICO end date
if ( !halted && msg.sender == addressTeam && SafeMath.sub(balances[msg.sender], _value) >= tokensTeam/2 && (now > icoEndDate + SECONDS_IN_YEAR/2) )
{ return super.transfer(_to, _value); }
// Community can transfer upto 50% of tokens after six months of ICO end date
if ( !halted && msg.sender == addressCommunity && SafeMath.sub(balances[msg.sender], _value) >= tokensCommunity/2 && (now > icoEndDate + SECONDS_IN_YEAR/2) )
{ return super.transfer(_to, _value); }
// ICO investors can transfer after the ICO period
if ( !halted && identifyAddress(msg.sender) == icoInvestors && now > icoEndDate ) { return super.transfer(_to, _value); }
// All can transfer after a year from ICO end date
if ( !halted && now > icoEndDate + SECONDS_IN_YEAR) { return super.transfer(_to, _value); }
return false;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success)
{
if ( msg.sender == addressICOManager) { return super.transferFrom(_from,_to, _value); }
// Team can transfer upto 50% of tokens after six months of ICO end date
if ( !halted && msg.sender == addressTeam && SafeMath.sub(balances[msg.sender], _value) >= tokensTeam/2 && (now > icoEndDate + SECONDS_IN_YEAR/2) )
{ return super.transferFrom(_from,_to, _value); }
// Community can transfer upto 50% of tokens after six months of ICO end date
if ( !halted && msg.sender == addressCommunity && SafeMath.sub(balances[msg.sender], _value) >= tokensCommunity/2 && (now > icoEndDate + SECONDS_IN_YEAR/2))
{ return super.transferFrom(_from,_to, _value); }
// ICO investors can transfer after the ICO period
if ( !halted && identifyAddress(msg.sender) == icoInvestors && now > icoEndDate ) { return super.transferFrom(_from,_to, _value); }
// All can transfer after a year from ICO end date
if ( !halted && now > icoEndDate + SECONDS_IN_YEAR) { return super.transferFrom(_from,_to, _value); }
return false;
}
function identifyAddress(address _buyer) constant public returns(uint) {
if (_buyer == addressTeam || _buyer == addressCommunity) return teamInternal;
if (_buyer == addressMasterNodes || _buyer == addressBankPartners || _buyer == addressDataProviders) return teamPartners;
return icoInvestors;
}
/**
* Destroy tokens
* Remove _value tokens from the system irreversibly
*/
function burn(uint256 _value) onlyManager public returns (bool success) {
require(balances[msg.sender] >= _value); // Check if the sender has enough BBI
balances[msg.sender] -= _value; // Subtract from the sender
totalSupply_ -= _value; // Updates totalSupply
return true;
}
/*
* main function for receiving the ETH from the investors
* and transferring tokens after calculating the price
*/
function buyBBITokens(address _buyer, uint256 _value) internal {
// prevent transfer to 0x0 address
require(_buyer != 0x0);
// msg value should be more than 0
require(_value > 0);
// if not halted
require(!halted);
// Now is before ICO end date
require(now < icoEndDate);
// total tokens is price (1ETH = 960 tokens) multiplied by the ether value provided
uint tokens = (SafeMath.mul(_value, 960));
// total used + tokens should be less than maximum available for sale
require(SafeMath.add(totalUsed, tokens) < balances[addressICOManager]);
// Ether raised + new value should be less than the Ether cap
require(SafeMath.add(etherRaised, _value) < etherCap);
balances[_buyer] = SafeMath.add( balances[_buyer], tokens);
balances[addressICOManager] = SafeMath.sub(balances[addressICOManager], tokens);
totalUsed += tokens;
etherRaised += _value;
addressETHDeposit.transfer(_value);
Transfer(this, _buyer, tokens );
}
/*
* default fall back function
*/
function () payable onIcoRunning public {
buyBBITokens(msg.sender, msg.value);
}
}
{
"compilationTarget": {
"BBIToken.sol": "BBIToken"
},
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 0
},
"remappings": []
}
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