Blockwell

Quantum

ERC20

This contract is an ERC20 token.

Name Quantum
Symbol QAU
Decimals 8
Total Supply 2,087,571 QAU

About

Stats

Public Functions 9
Event Types 3
Code Size 3,362 bytes

Events (3) keyboard_arrow_up

Approval Event

Parameters help
_owner
address help
_spender
address help
_value
uint256 help

Burn Event

Parameters help
from
address help
value
uint256 help

Transfer Event

Parameters help
_from
address help
_to
address help
_value
uint256 help

version Variable

string help

name Variable

string help

symbol Variable

string help

decimals Variable

uint8 help

owner Variable

address help

_totalSupply Variable

uint256 help

balances Variable

mapping(address => uint256) help

allowances Variable

mapping(address => mapping(address => uint256)) help
Internal Variable

Functions Expand All Collapse All

Parameters help

Name Type
_owner
address help

Properties

Visibility help public
Mutability help constant
Source Code
function balanceOf(address _owner) constant returns (uint256 balance) {
  return balances[_owner];
}

Parameters help

Name Type
_owner
address help
_spender
address help

Properties

Visibility help public
Mutability help constant
Source Code
function allowance(address _owner, address _spender)
  constant
  returns (uint256 remaining)
{
  return allowances[_owner][_spender];
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help constant
Source Code
function totalSupply() constant returns (uint256 totalSupply) {
  return _totalSupply;
}

Parameters help

Name Type
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function transfer(address _to, uint256 _value) returns (bool success) {
  if (_to == 0x0) return false;
  if (balances[msg.sender] < _value) return false;
  if (balances[_to] + _value < balances[_to]) return false;
  balances[msg.sender] -= _value;
  balances[_to] += _value;
  Transfer(msg.sender, _to, _value);
  return true;
}

Parameters help

Name Type
_spender
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function approve(address _spender, uint256 _value) returns (bool success) {
  allowances[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

Parameters help

Name Type
_spender
address help
_value
uint256 help
_extraData
bytes help

Properties

Visibility help public
Mutability help transaction
Source Code
function approveAndCall(
  address _spender,
  uint256 _value,
  bytes _extraData
) returns (bool success) {
  tokenRecipient spender = tokenRecipient(_spender);
  if (approve(_spender, _value)) {
    spender.receiveApproval(msg.sender, _value, this, _extraData);
    return true;
  }
}

Parameters help

Name Type
_from
address help
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool success) {
  if (_to == 0x0) return false;
  if (balances[_from] < _value) return false;
  if (balances[_to] + _value < balances[_to]) return false;
  if (_value > allowances[_from][msg.sender]) return false;
  balances[_from] -= _value;
  balances[_to] += _value;
  allowances[_from][msg.sender] -= _value;
  Transfer(_from, _to, _value);
  return true;
}

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function burn(uint256 _value) returns (bool success) {
  if (balances[msg.sender] < _value) return false;
  balances[msg.sender] -= _value;
  _totalSupply -= _value;
  Burn(msg.sender, _value);
  return true;
}

Parameters help

Name Type
_from
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function burnFrom(address _from, uint256 _value) returns (bool success) {
  if (balances[_from] < _value) return false;
  if (_value > allowances[_from][msg.sender]) return false;
  balances[_from] -= _value;
  _totalSupply -= _value;
  Burn(_from, _value);
  return true;
}

Internal Functions Expand All Collapse All

Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.