Address Contract Verified
Address
0xf048dEB8Ab55f0820CdA5D4A748424E42865a9c0
Balance
0 ETH
Nonce
1
Code Size
4747 bytes
Creator
0xcC249D41...B92d at tx 0xae6307cc...51d1e6
Indexed Transactions
0
Contract Bytecode
4747 bytes
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Verified Source Code Full Match
Compiler: v0.6.0+commit.26b70077
EVM: istanbul
Optimization: No
APE.sol 175 lines
pragma solidity 0.6.0;
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract Ownable {
address public _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () public {
_owner = msg.sender;
emit OwnershipTransferred(address(0), msg.sender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == msg.sender, "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract APE is Ownable {
using SafeMath for uint256;
string public constant name = "APE";
string public constant symbol = "APE";
uint256 public constant decimals = 18;
// the supply will not exceed 493 APE
uint256 private constant _maximumSupply = 493 * 10 ** decimals;
uint256 private constant _maximumPresaleBurnAmount = 493 * 10 ** decimals;
uint256 public _presaleBurnTotal = 0;
uint256 public _totalSupply;
// events
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
// mappings
mapping(address => uint256) public _balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
constructor() public override {
// transfer the entire supply to contract creator
_owner = msg.sender;
_totalSupply = _maximumSupply;
_balanceOf[msg.sender] = _maximumSupply;
emit Transfer(address(0x0), msg.sender, _maximumSupply);
}
function totalSupply () public view returns (uint256) {
return _totalSupply;
}
function balanceOf (address who) public view returns (uint256) {
return _balanceOf[who];
}
// checks that the address is valid
function _transfer(address _from, address _to, uint256 _value) internal {
_balanceOf[_from] = _balanceOf[_from].sub(_value);
_balanceOf[_to] = _balanceOf[_to].add(_value);
emit Transfer(_from, _to, _value);
}
// transfer tokens
function transfer(address _to, uint256 _value) public returns (bool success) {
require(_balanceOf[msg.sender] >= _value);
_transfer(msg.sender, _to, _value);
return true;
}
// performs presale burn
function burn (uint256 _burnAmount, bool _presaleBurn) public onlyOwner returns (bool success) {
if (_presaleBurn) {
require(_presaleBurnTotal.add(_burnAmount) <= _maximumPresaleBurnAmount);
_presaleBurnTotal = _presaleBurnTotal.add(_burnAmount);
_transfer(_owner, address(0), _burnAmount);
_totalSupply = _totalSupply.sub(_burnAmount);
} else {
_transfer(_owner, address(0), _burnAmount);
_totalSupply = _totalSupply.sub(_burnAmount);
}
return true;
}
// approve spend
function approve(address _spender, uint256 _value) public returns (bool success) {
require(_spender != address(0));
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
// transfer from
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= _balanceOf[_from]);
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(_value);
_transfer(_from, _to, _value);
return true;
}
}
Read Contract
_balanceOf 0xcca3e832 → uint256
_owner 0xb2bdfa7b → address
_presaleBurnTotal 0xd4b5d4c8 → uint256
_totalSupply 0x3eaaf86b → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 6 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
burn 0x9fac68cb
uint256 _burnAmount
bool _presaleBurn
returns: bool
renounceOwnership 0x715018a6
No parameters
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
transferOwnership 0xf2fde38b
address newOwner
Recent Transactions
No transactions found for this address