Address Contract Partially Verified
Address
0x8bbe1a2961B41340468D0548c2cd5B7DFA9b684c
Balance
0 ETH
Nonce
1
Code Size
6080 bytes
Creator
0x1a50E488...981e at tx 0x6a6829b0...c40e48
Indexed Transactions
0
Contract Bytecode
6080 bytes
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Verified Source Code Partial Match
Compiler: v0.5.0+commit.1d4f565a
EVM: byzantium
Optimization: No
HandyToken.sol 247 lines
pragma solidity ^0.5.0;
// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.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);
}
// ----------------------------------------------------------------------------
// 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;
}
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address public owner;
constructor() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and a
// fixed supply
// ----------------------------------------------------------------------------
contract HandyToken is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint _totalSupply;
bool _stopTrade;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
constructor() public {
symbol = "HANDY";
name = "Handy Token";
decimals = 18;
_totalSupply = 10000000000 * 10**uint(decimals);
_stopTrade = false;
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public view returns (uint) {
return _totalSupply.sub(balances[address(0)]);
}
// ------------------------------------------------------------------------
// Stop Trade
// ------------------------------------------------------------------------
function stopTrade() public onlyOwner {
require(_stopTrade != true);
_stopTrade = true;
}
// ------------------------------------------------------------------------
// Start Trade
// ------------------------------------------------------------------------
function startTrade() public onlyOwner {
require(_stopTrade == true);
_stopTrade = false;
}
// ------------------------------------------------------------------------
// 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) {
require(_stopTrade != true);
require(to > address(0));
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(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) {
require(_stopTrade != true);
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) {
require(_stopTrade != true);
require(from > address(0));
require(to > address(0));
balances[from] = balances[from].sub(tokens);
if(from != to && from != msg.sender) {
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
}
balances[to] = balances[to].add(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) {
require(_stopTrade != true);
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) {
require(msg.sender != spender);
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();
}
// ------------------------------------------------------------------------
// 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);
}
event Burn(address indexed burner, uint256 value);
// ------------------------------------------------------------------------
// Burns a specific amount of tokens
// ------------------------------------------------------------------------
function burn(uint256 _value) public {
require(_value <= balances[msg.sender]);
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
_totalSupply = _totalSupply.sub(_value);
emit Burn(burner, _value);
emit Transfer(burner, address(0), _value);
}
}
Read Contract
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 8 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 tokens
returns: bool
approveAndCall 0xcae9ca51
address spender
uint256 tokens
bytes data
returns: bool
burn 0x42966c68
uint256 _value
startTrade 0x6c580801
No parameters
stopTrade 0x8baeefce
No parameters
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
Recent Transactions
No transactions found for this address