King DAG

0x95e40e065afb3059dcabe4aaf404c1f92756603a Copy

ERC20

This contract is an ERC20 token.

Name King DAG

Symbol KDAG

Decimals 18

Total Supply 1,000,000,000 KDAG

About

King DAG (KDAG) is a cryptocurrency and operates on the Ethereum platform. King DAG has a current supply of 1,000,000,000 with 54,251,545 in circulation. The last known price of King DAG is 0.31284234 USD and is down -0.24 over the last 24 hours. It is currently trading on 5 active market(s) with $32,985.04 traded over the last 24 hours. More information can be found at https://kdag.io/.

Stats

Public Functions 13

Event Types 5

Code Size 10,603 bytes

Events (5)

Approval Event

Parameters

owner	address
spender	address
value	uint256

FrozenFunds Event

Parameters

target	address
frozen	bool

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

SetBlacklist Event

Parameters

_address	address
_bool	bool

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (4)

name Constant

string

King DAG

symbol Constant

string

KDAG

decimals Constant

uint8

INITIAL_SUPPLY Constant

uint256

1000000000

State Variables (6)

owner Variable

address

frozenAccount Variable

mapping(address => bool)

blacklist Variable

mapping(address => bool)

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

mapping(address => mapping(address => uint256))

Internal Variable

totalSupply_ Variable

uint256

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address _newOwner) public onlyOwner {
  require(_newOwner != address(0), "New owner cannot be address(0)");
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

setBlacklist

Parameters

Name	Type
_address	address
_bool	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_address must not be equal to UNKNOWN VALUE

Source Code

function setBlacklist(address _address, bool _bool) public onlyOwner {
  require(_address != address(0));

  if (_bool) {
    require(!blacklist[_address], "Already in blacklist");
  } else {
    require(blacklist[_address], "Not in blacklist yet");
  }

  blacklist[_address] = _bool;
  emit SetBlacklist(_address, _bool);
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return totalSupply_;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _owner) public view returns (uint256) {
  return balances[_owner];
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  return allowed[_owner][_spender];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

frozenAccount for the sender's address must not be true

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value) public returns (bool) {
  require(!frozenAccount[msg.sender]);
  return super.transfer(_to, _value);
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

One or more of the following: - allowed for the sender's address for _spender must be equal to 0 - OR _value must be equal to 0

Source Code

function approve(address _spender, uint256 _value) public returns (bool) {
  return super.approve(_spender, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

frozenAccount for _from must not be true

_to must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool) {
  require(!frozenAccount[_from]);
  return super.transferFrom(_from, _to, _value);
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint256

Properties

Visibility public

Mutability transaction

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  returns (bool)
{
  allowed[msg.sender][_spender] = (
    allowed[msg.sender][_spender].add(_addedValue)
  );

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

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint256

Properties

Visibility public

Mutability 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);
  }

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

freezeAccount

Parameters

Name	Type
target	address
freeze	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeAccount(address target, bool freeze) public onlyOwner {
  frozenAccount[target] = freeze;
  emit FrozenFunds(target, freeze);
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  returns (bool success)
{
  return super.increaseApproval(_spender, _addedValue);
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  returns (bool success)
{
  return super.decreaseApproval(_spender, _subtractedValue);
}

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.

King DAG

ERC20

About link description

Stats

Events (5) keyboard_arrow_up

Approval Event

Parameters help Event parameters list the data that an event contains.

FrozenFunds Event

Parameters help Event parameters list the data that an event contains.

OwnershipTransferred Event

Parameters help Event parameters list the data that an event contains.

SetBlacklist Event

Parameters help Event parameters list the data that an event contains.

Transfer Event

Parameters help Event parameters list the data that an event contains.

Constants (4) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

INITIAL_SUPPLY Constant

State Variables (6) keyboard_arrow_up

owner Variable

frozenAccount Variable

blacklist Variable

balances Variable

allowed Variable

totalSupply_ Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

setBlacklist keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

totalSupply keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

balanceOf keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

allowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

transfer keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

approve keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

transferFrom keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

increaseApproval keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

decreaseApproval keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

freezeAccount keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (4)

State Variables (6)

transferOwnership

Parameters

Modifiers

Requirements

setBlacklist

Parameters

Modifiers

Requirements

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

transfer

Parameters

Requirements

approve

Parameters

Requirements

transferFrom

Parameters

Requirements

increaseApproval

Parameters

decreaseApproval

Parameters

freezeAccount

Parameters

Modifiers

increaseApproval

Parameters

decreaseApproval

Parameters