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
State Variables (7) keyboard_arrow_up
Functions
transferOwnership keyboard_arrow_up
Modifiers help
onlyOwner checks for the following:
Source Code
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
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;
}
allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
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;
}
approve keyboard_arrow_up
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;
}
transfer keyboard_arrow_up
Modifiers help
Source Code
function transfer(address _to, uint256 _value)
onlyWhenTransferEnabled
validDestination(_to)
returns (bool)
{
return super.transfer(_to, _value);
}
transferFrom keyboard_arrow_up
Modifiers help
Source Code
function transferFrom(
address _from,
address _to,
uint256 _value
) onlyWhenTransferEnabled validDestination(_to) returns (bool) {
return super.transferFrom(_from, _to, _value);
}
burn keyboard_arrow_up
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;
}
burnFrom keyboard_arrow_up
emergencyERC20Drain keyboard_arrow_up
Modifiers help
onlyOwner checks for the following:
Source Code
function emergencyERC20Drain(ERC20 token, uint256 amount) onlyOwner {
token.transfer(owner, amount);
}
Internal Functions
Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.