Blockwell

SelfKey

ERC20

This contract is an ERC20 token.

Name SelfKey
Symbol KEY
Decimals 18
Total Supply 5,999,999,954 KEY

About link description

Selfkey (KEY) is a cryptocurrency and operates on the Ethereum platform. Selfkey has a current supply of 5,999,999,954.464072 with 4,640,469,445.705637 in circulation. The last known price of Selfkey is 0.00678262 USD and is down -0.61 over the last 24 hours. It is currently trading on 22 active market(s) with $11,483,746.42 traded over the last 24 hours. More information can be found at https://selfkey.org/.

Stats

Public Functions 12
Event Types 6
Code Size 29,863 bytes

Events (6) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

Burned Event

Parameters help
burner
address help
value
uint256 help

Mint Event

Parameters help
to
address help
amount
uint256 help

MintFinished Event

Parameters help

OwnershipTransferred Event

Parameters help
previousOwner
address help
newOwner
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

name Constant

string help
SelfKey

symbol Constant

string help
KEY

decimals Constant

uint256 help
18

cap Variable

uint256 help

mintingFinished Variable

bool help

totalSupply Variable

uint256 help

owner Variable

address help

transfersEnabled Variable

bool help
Internal Variable

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

Requirements help

Source Code
function transferOwnership(address newOwner) public onlyOwner {
  require(newOwner != address(0));
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
}

Parameters help

Name Type
_owner
address help

Properties

Visibility help public
Mutability help view
Source Code
function balanceOf(address _owner) public view 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)
  public
  canTransfer(msg.sender, _value)
  returns (bool)
{
  return super.transfer(_to, _value);
}

Parameters help

Name Type
_owner
address help
_spender
address help

Properties

Visibility help public
Mutability help view
Source Code
function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  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
) public canTransfer(_from, _value) returns (bool) {
  return super.transferFrom(_from, _to, _value);
}

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

Parameters help

Name Type
_spender
address help
_addedValue
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function increaseApproval(address _spender, uint256 _addedValue)
  public
  returns (bool)
{
  allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(
    _addedValue
  );
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

Name Type
_spender
address help
_subtractedValue
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  returns (bool)
{
  uint256 oldValue = allowed[msg.sender][_spender];
  if (_subtractedValue > oldValue) {
    allowed[msg.sender][_spender] = 0;
  } else {
    allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
  }
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

Name Type
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function mint(address _to, uint256 _value)
  public
  onlyOwner
  canMint
  returns (bool)
{
  require(totalSupply.add(_value) <= cap);
  return super.mint(_to, _value);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function finishMinting() public onlyOwner canMint returns (bool) {
  mintingFinished = true;
  MintFinished();
  return true;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function enableTransfers() public onlyOwner {
  transfersEnabled = true;
}

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function burn(uint256 _value) public onlyOwner {
  require(_value > 0);

  address burner = msg.sender;
  balances[burner] = balances[burner].sub(_value);
  totalSupply = totalSupply.sub(_value);
  Burned(burner, _value);
}

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.