Feature Tip: Add private address tag to any address under My Name Tag !
Overview
Max Total Supply
28,000,000 HELP
Holders
209 (0.00%)
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
HELP
Compiler Version
v0.4.19+commit.c4cbbb05
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-02-28 */ pragma solidity ^0.4.19; /** * Math operations with safety checks */ contract SafeMath { function safeAdd(uint256 x, uint256 y) internal returns(uint256) { uint256 z = x + y; assert((z >= x) && (z >= y)); return z; } function safeSubtract(uint256 x, uint256 y) internal returns(uint256) { assert(x >= y); uint256 z = x - y; return z; } function safeMult(uint256 x, uint256 y) internal returns(uint256) { uint256 z = x * y; assert((x == 0)||(z/x == y)); return z; } function assert(bool assertion) internal { if (!assertion) { throw; } } } contract HELP 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 HELP( 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 tokens */ 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.safeSubtract(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.safeSubtract(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.safeSubtract(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.safeSubtract(balanceOf[msg.sender], _value); // Subtract from the sender totalSupply = SafeMath.safeSubtract(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.safeSubtract(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.safeSubtract(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
[{"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)
000000000000000000000000000000000000000000295be96e640669720000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000448454c5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000448454c5000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : initialSupply (uint256): 50000000000000000000000000
Arg [1] : tokenName (string): HELP
Arg [2] : decimalUnits (uint8): 18
Arg [3] : tokenSymbol (string): HELP
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000295be96e64066972000000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [5] : 48454c5000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [7] : 48454c5000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://3c2c5c0d9b194e5bf99b6c479c98cb8c7674c97348a849101270a9d3d0a2a4e7
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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.