Blockwell

Kyber Network Crystal

ERC20

This contract is an ERC20 token.

Name Kyber Network Crystal
Symbol KNC
Decimals 18
Total Supply 210,465,359 KNC

About link description

Kyber Network Crystal Legacy (KNC) is a cryptocurrency and operates on the Ethereum platform. Kyber Network Crystal Legacy has a current supply of 210,252,943.83416528 with 205,045,092.11530113 in circulation. The last known price of Kyber Network Crystal Legacy is 1.32205404 USD and is down -2.30 over the last 24 hours. It is currently trading on 124 active market(s) with $32,051,177.85 traded over the last 24 hours. More information can be found at https://kyber.network/.

Stats

Public Functions 11
Event Types 3
Code Size 7,828 bytes

Events (3) keyboard_arrow_up

Approval Event

Parameters help
_owner
address help
_spender
address help
_value
uint help

Burn Event

Parameters help
_burner
address help
_value
uint help

Transfer Event

Parameters help
_from
address help
_to
address help
_value
uint help

name Constant

string help
Kyber Network Crystal

symbol Constant

string help
KNC

decimals Constant

uint help
18

saleStartTime Variable

uint help

saleEndTime Variable

uint help

tokenSaleContract Variable

address help

totalSupply Variable

uint256 help

owner Variable

address help

allowed Variable

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

balances Variable

mapping(address => uint256) help
Internal Variable

Functions Expand All Collapse All

Parameters help

Name Type
newOwner
address help

Properties

Visibility help public
Mutability help transaction
Source Code
function transferOwnership(address newOwner) onlyOwner {
  if (newOwner != address(0)) {
    owner = newOwner;
  }
}

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
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function transfer(address _to, uint256 _value) returns (bool) {
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _to, _value);
  return true;
}

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 allowed[_owner][_spender];
}

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) {
  var _allowance = allowed[_from][msg.sender];

  // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
  // require (_value <= _allowance);

  // KYBER-NOTE! code changed to comply with ERC20 standard
  balances[_from] = balances[_from].sub(_value);
  balances[_to] = balances[_to].add(_value);
  //balances[_from] = balances[_from].sub(_value); // this was removed
  allowed[_from][msg.sender] = _allowance.sub(_value);
  Transfer(_from, _to, _value);
  return true;
}

Parameters help

Name Type
_spender
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

One or more of the following:
Source Code
function approve(address _spender, uint256 _value) returns (bool) {
  // To change the approve amount you first have to reduce the addresses`
  //  allowance to zero by calling `approve(_spender, 0)` if it is not
  //  already 0 to mitigate the race condition described here:
  //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
  require((_value == 0) || (allowed[msg.sender][_spender] == 0));

  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

Parameters help

Name Type
_to
address help
_value
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Source Code
function transfer(address _to, uint256 _value)
  onlyWhenTransferEnabled
  validDestination(_to)
  returns (bool)
{
  return super.transfer(_to, _value);
}

Parameters help

Name Type
_from
address help
_to
address help
_value
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Source Code
function transferFrom(
  address _from,
  address _to,
  uint256 _value
) onlyWhenTransferEnabled validDestination(_to) returns (bool) {
  return super.transferFrom(_from, _to, _value);
}

Parameters help

Name Type
_value
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyWhenTransferEnabled checks for the following:
Source Code
function burn(uint256 _value) onlyWhenTransferEnabled returns (bool) {
  balances[msg.sender] = balances[msg.sender].sub(_value);
  totalSupply = totalSupply.sub(_value);
  Burn(msg.sender, _value);
  Transfer(msg.sender, address(0x0), _value);
  return true;
}

Parameters help

Name Type
_from
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyWhenTransferEnabled checks for the following:

Requirements help

null
Source Code
function burnFrom(address _from, uint256 _value)
  onlyWhenTransferEnabled
  returns (bool)
{
  assert(transferFrom(_from, msg.sender, _value));
  return burn(_value);
}

Parameters help

Name Type
token
ERC20 help
amount
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function emergencyERC20Drain(ERC20 token, uint256 amount) onlyOwner {
  token.transfer(owner, amount);
}

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.