pragma solidity ^0.4.17;
contract owned {
address public owner;
function owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) onlyOwner public {
owner = newOwner;
}
}
contract ERC223ReceivingContract {
function tokenFallback(address _from, uint256 _value, bytes _data) public;
}
contract Token {
uint256 public totalSupply;
//ERC 20
function balanceOf(address _owner) public constant returns (uint256 balance);
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);
// ERC 223
function transfer(address _to, uint256 _value, bytes _data) public returns (bool success);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract StandardToken is Token {
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != 0x0);
require(_to != address(this));
require(balances[msg.sender] >= _value);
require(balances[_to] + _value >= balances[_to]);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transfer(
address _to,
uint256 _value,
bytes _data)
public
returns (bool)
{
require(transfer(_to, _value));
uint codeLength;
assembly {
// Retrieve the size of the code on target address, this needs assembly.
codeLength := extcodesize(_to)
}
if (codeLength > 0) {
ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
receiver.tokenFallback(msg.sender, _value, _data);
}
return true;
}
function transferFrom(address _from, address _to, uint256 _value)
public
returns (bool)
{
require(_from != 0x0);
require(_to != 0x0);
require(_to != address(this));
require(balances[_from] >= _value);
require(allowed[_from][msg.sender] >= _value);
require(balances[_to] + _value >= balances[_to]);
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
require(_spender != 0x0);
require(_value == 0 || allowed[msg.sender][_spender] == 0);
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender)
constant
public
returns (uint256)
{
return allowed[_owner][_spender];
}
function balanceOf(address _owner) constant public returns (uint256) {
return balances[_owner];
}
}
contract CalorieCoin is owned, StandardToken {
string constant public name = "CalorieCoin";
string constant public symbol = "CAL";
uint8 constant public decimals = 18;
uint constant multiplier = 1000000000000000000;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
event Deployed(uint indexed _total_supply);
event Burnt(
address indexed _receiver,
uint indexed _num,
uint indexed _total_supply
);
function CalorieCoin(
address wallet_address,
uint initial_supply)
public
{
require(wallet_address != 0x0);
totalSupply = initial_supply;
balances[wallet_address] = initial_supply;
Transfer(0x0, wallet_address, balances[wallet_address]);
Deployed(totalSupply);
assert(totalSupply == balances[wallet_address]);
}
function burn(uint num) public {
require(num > 0);
require(balances[msg.sender] >= num);
require(totalSupply >= num);
uint pre_balance = balances[msg.sender];
balances[msg.sender] -= num;
totalSupply -= num;
Burnt(msg.sender, num, totalSupply);
Transfer(msg.sender, 0x0, num);
assert(balances[msg.sender] == pre_balance - num);
}
function freezeAccount(address target, bool freeze) onlyOwner public {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
}
{
"compilationTarget": {
"CalorieCoin.sol": "CalorieCoin"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 0
},
"remappings": []
}
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