Address Contract Partially Verified
Address
0x72a40175F5F24cF3933C37c19ffe82dD1417E33C
Balance
0 ETH
Nonce
1
Code Size
6705 bytes
Creator
0x043Bb19A...0481 at tx 0x176e23e3...7e98d9
Indexed Transactions
0 (1 on-chain, 1.6% indexed)
Contract Bytecode
6705 bytes
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Verified Source Code Partial Match
Compiler: v0.5.11+commit.c082d0b4
EVM: petersburg
Optimization: No
ERC20Interface.sol 16 lines
pragma solidity ^0.5.7;
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
KaroToken.sol 153 lines
pragma solidity ^0.5.7;
import './SafeMath.sol';
import './Owned.sol';
import './ERC20Interface.sol';
// ----------------------------------------------------------------------------
// 'Karo Token' token contract
//
// Symbol : KRO
// Name : Karo Token
// Total supply: 40000000000
// Decimals : 18
//
//
// (c) by CITEX 2019
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public;
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ----------------------------------------------------------------------------
contract KaroToken is ERC20Interface, Owned, SafeMath {
uint8 public decimals = 18;
uint public _totalSupply;
string public name = "Karo";
string public symbol = "KRO";
string public standard = "Karo v1.0";
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
_totalSupply = 10e28;
balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account tokenOwner
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to to account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer tokens from the from account to the to account
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the from account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for spender to transferFrom(...) tokens
// from the token owner's account. The spender contract function
// receiveApproval(...) is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () external payable {
revert('This Contract Accepts Just KARO');
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
}
Owned.sol 29 lines
pragma solidity ^0.5.7;
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner, 'Only Owner has Access');
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner, 'New Owner should Accept');
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
SafeMath.sol 20 lines
// Safe maths
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) public pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) public pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
Read Contract
_totalSupply 0x3eaaf86b → uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
newOwner 0xd4ee1d90 → address
owner 0x8da5cb5b → address
safeAdd 0xe6cb9013 → uint256
safeDiv 0xb5931f7c → uint256
safeMul 0xd05c78da → uint256
safeSub 0xa293d1e8 → uint256
standard 0x5a3b7e42 → string
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 7 functions
These functions modify contract state and require a wallet transaction to execute.
acceptOwnership 0x79ba5097
No parameters
approve 0x095ea7b3
address spender
uint256 tokens
returns: bool
approveAndCall 0xcae9ca51
address spender
uint256 tokens
bytes data
returns: bool
transfer 0xa9059cbb
address to
uint256 tokens
returns: bool
transferAnyERC20Token 0xdc39d06d
address tokenAddress
uint256 tokens
returns: bool
transferFrom 0x23b872dd
address from
address to
uint256 tokens
returns: bool
transferOwnership 0xf2fde38b
address _newOwner
Recent Transactions
This address has 1 on-chain transactions, but only 1.6% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →