pragma solidity 0.4.19;
/**
* @title Cacao Shares TOKEN
* @dev ERC-20 Token Standard Compliant
* @notice Contact ico@cacaoshares.com
* @author Fares A. Akel C.
* ================================================
* CACAO SHARES IS A DIGITAL ASSET
* THAT ENABLES ANYONE TO OWN CACAO TREES
* OF THE CRIOLLO TYPE IN SUR DEL LAGO, VENEZUELA
* ================================================
*/
/**
* @title SafeMath by OpenZeppelin (partially)
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
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;
}
}
/**
* Token contract interface for external use
*/
contract ERC20TokenInterface {
function balanceOf(address _owner) public constant returns (uint256 value);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
}
/**
* @title Admin parameters
* @dev Define administration parameters for this contract
*/
contract admined { //This token contract is administered
address public admin; //Admin address is public
bool public lockTransfer; //Transfer Lock flag
address public allowedAddress; //an address that can override lock condition
/**
* @dev Contract constructor
* define initial administrator
*/
function admined() internal {
admin = msg.sender; //Set initial admin to contract creator
allowedAddress = msg.sender; //Set initial allowed to contract creator
Admined(admin);
AllowedSet(allowedAddress);
}
modifier onlyAdmin() { //A modifier to define admin-only functions
require(msg.sender == admin);
_;
}
modifier transferLock() { //A modifier to lock transactions
require(lockTransfer == false || allowedAddress == msg.sender);
_;
}
/**
* @dev Function to set an allowed address
* @param _to The address to give privileges.
*/
function setAllowedAddress(address _to) onlyAdmin public {
allowedAddress = _to;
AllowedSet(_to);
}
/**
* @dev Function to set new admin address
* @param _newAdmin The address to transfer administration to
*/
function transferAdminship(address _newAdmin) onlyAdmin public { //Admin can be transfered
require(_newAdmin != address(0)); //Prevent zero address transactions
admin = _newAdmin;
TransferAdminship(admin);
}
/**
* @dev Function to unlock transfers
* @notice It's only possible to unlock the transfers
*/
function setTransferLockFree() onlyAdmin public {
require(lockTransfer == true);// only if it's locked
lockTransfer = false;
SetTransferLock(lockTransfer);
}
//All admin actions have a log for public review
event AllowedSet(address _to);
event SetTransferLock(bool _set);
event TransferAdminship(address newAdminister);
event Admined(address administer);
}
/**
* @title Token definition
* @dev Define token parameters including ERC20 ones
*/
contract ERC20Token is ERC20TokenInterface, admined { //Standard definition of a ERC20Token
using SafeMath for uint256;
uint256 public totalSupply;
mapping (address => uint256) balances; //A mapping of all balances per address
mapping (address => mapping (address => uint256)) allowed; //A mapping of all allowances
/**
* @dev Get the balance of an specified address.
* @param _owner The address to be query.
*/
function balanceOf(address _owner) public constant returns (uint256 value) {
return balances[_owner];
}
/**
* @dev transfer token to a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) transferLock public returns (bool success) {
require(_to != address(0)); //Prevent zero address transactions
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev transfer token from an address to another specified address using allowance
* @param _from The address where token comes.
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transferFrom(address _from, address _to, uint256 _value) transferLock public returns (bool success) {
require(_to != address(0)); //Prevent zero address transactions
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Assign allowance to an specified address to use the owner balance
* @param _spender The address to be allowed to spend.
* @param _value The amount to be allowed.
*/
function approve(address _spender, uint256 _value) public returns (bool success) {
require(_value == 0 || allowed[msg.sender][_spender] == 0); //Mitigation to possible attack on approve and transferFrom functions
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Get the allowance of an specified address to use another address balance.
* @param _owner The address of the owner of the tokens.
* @param _spender The address of the allowed spender.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* @dev Log Events
*/
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
/**
* @title AssetCCS
* @dev Initial CCS supply creation
*/
contract AssetCCS is ERC20Token {
string public name = 'Cacao Shares';
uint8 public decimals = 18;
string public symbol = 'CCS';
string public version = '1';
function AssetCCS() public {
totalSupply = 100000000 * (10**uint256(decimals)); //100 million total token creation
balances[msg.sender] = totalSupply;
/**
* This token is locked for transfers until the 90th day after ICO ending,
* the measure is globally applied, the only address able to transfer is the single
* allowed address. During ICO period, allowed address will be ICO address.
*/
lockTransfer = true;
SetTransferLock(lockTransfer);
Transfer(0, this, totalSupply);
Transfer(this, msg.sender, balances[msg.sender]);
}
/**
*@dev Function to handle callback calls
*/
function() public {
revert();
}
}
{
"compilationTarget": {
"AssetCCS.sol": "AssetCCS"
},
"libraries": {},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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