ERC-20
Source Code
Overview
Max Total Supply
1,000,000 HET
Holders
1,273
Transfers
-
0
Market
Onchain Market Cap
-
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
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| # | Exchange | Pair | Price | 24H Volume | % Volume |
|---|
Contract Name:
HavEtherToken
Compiler Version
v0.4.25+commit.59dbf8f1
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/**
*Submitted for verification at Etherscan.io on 2018-09-27
*/
pragma solidity ^0.4.8;
/**
* Math operations with safety checks
*/
contract SafeMath {
function safeMul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeDiv(uint256 a, uint256 b) internal returns (uint256) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c + a % b);
return c;
}
function safeSub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function safeAdd(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c>=a && c>=b);
return c;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
contract HavEtherToken is SafeMath{
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
address public owner;
/* This creates an array with all balances */
mapping (address => uint256) public balanceOf;
mapping (address => uint256) public freezeOf;
mapping (address => mapping (address => uint256)) public allowance;
/* This generates a public event on the blockchain that will notify clients */
event Transfer(address indexed from, address indexed to, uint256 value);
/* This notifies clients about the amount burnt */
event Burn(address indexed from, uint256 value);
/* This notifies clients about the amount frozen */
event Freeze(address indexed from, uint256 value);
/* This notifies clients about the amount unfrozen */
event Unfreeze(address indexed from, uint256 value);
/* Initializes contract with initial supply tokens to the creator of the contract */
function HavEtherToken(
uint256 initialSupply,
string tokenName,
uint8 decimalUnits,
string tokenSymbol
) {
balanceOf[msg.sender] = initialSupply; // Give the creator all initial tokens
totalSupply = initialSupply; // Update total supply
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
decimals = decimalUnits; // Amount of decimals for display purposes
owner = msg.sender;
}
/* Send coins */
function transfer(address _to, uint256 _value) {
if (_to == 0x0) throw; // Prevent transfer to 0x0 address. Use burn() instead
if (_value <= 0) throw;
if (balanceOf[msg.sender] < _value) throw; // Check if the sender has enough
if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place
}
/* Allow another contract to spend some tokens in your behalf */
function approve(address _spender, uint256 _value)
returns (bool success) {
if (_value <= 0) throw;
allowance[msg.sender][_spender] = _value;
return true;
}
/* A contract attempts to get the coins */
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (_to == 0x0) throw; // Prevent transfer to 0x0 address. Use burn() instead
if (_value <= 0) throw;
if (balanceOf[_from] < _value) throw; // Check if the sender has enough
if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
if (_value > allowance[_from][msg.sender]) throw; // Check allowance
balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value); // Subtract from the sender
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
allowance[_from][msg.sender] = SafeMath.safeSub(allowance[_from][msg.sender], _value);
Transfer(_from, _to, _value);
return true;
}
function burn(uint256 _value) returns (bool success) {
if (balanceOf[msg.sender] < _value) throw; // Check if the sender has enough
if (_value <= 0) throw;
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
totalSupply = SafeMath.safeSub(totalSupply,_value); // Updates totalSupply
Burn(msg.sender, _value);
return true;
}
function freeze(uint256 _value) returns (bool success) {
if (balanceOf[msg.sender] < _value) throw; // Check if the sender has enough
if (_value <= 0) throw;
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
freezeOf[msg.sender] = SafeMath.safeAdd(freezeOf[msg.sender], _value); // Updates totalSupply
Freeze(msg.sender, _value);
return true;
}
function unfreeze(uint256 _value) returns (bool success) {
if (freezeOf[msg.sender] < _value) throw; // Check if the sender has enough
if (_value <= 0) throw;
freezeOf[msg.sender] = SafeMath.safeSub(freezeOf[msg.sender], _value); // Subtract from the sender
balanceOf[msg.sender] = SafeMath.safeAdd(balanceOf[msg.sender], _value);
Unfreeze(msg.sender, _value);
return true;
}
// transfer balance to owner
function withdrawEther(uint256 amount) {
if(msg.sender != owner)throw;
owner.transfer(amount);
}
// can accept ether
function() payable {
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"withdrawEther","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"unfreeze","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"freezeOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"freeze","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"name":"decimalUnits","type":"uint8"},{"name":"tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Freeze","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Unfreeze","type":"event"}]Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000000000000000000000d3c21bcecceda10000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000d4861764574686572546f6b656e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034845540000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : initialSupply (uint256): 1000000000000000000000000
Arg [1] : tokenName (string): HavEtherToken
Arg [2] : decimalUnits (uint8): 18
Arg [3] : tokenSymbol (string): HET
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000d3c21bcecceda1000000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000d
Arg [5] : 4861764574686572546f6b656e00000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [7] : 4845540000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://cc2e1efc469f63d4be50f78380aa363eb8d7e642923d5417d82a3220c73ba770
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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.
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