Dusk Network

0x940a2db1b7008b6c776d4faaca729d6d4a4aa551 Copy

ERC20

This contract is an ERC20 token.

Name Dusk Network

Symbol DUSK

Decimals 18

Total Supply 500,000,000 DUSK

About

Stats

Public Functions 8

Event Types 2

Code Size 10,217 bytes

Library Use

Uses SafeMath for uint256.

Events (2)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (3)

name Constant

string

Dusk Network

symbol Constant

string

DUSK

decimals Constant

uint8

State Variables (3)

_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

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

value must be less than or equal to _balances for the sender's address

to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address to, uint256 value) public returns (bool) {
  _transfer(msg.sender, to, value);
  return true;
}

approve

Parameters

Name	Type
spender	address
value	uint256

Properties

Visibility public

Mutability transaction

Requirements

spender must not be equal to UNKNOWN VALUE

Source Code

function approve(address spender, uint256 value) public returns (bool) {
  require(spender != address(0));

  _allowed[msg.sender][spender] = value;
  emit Approval(msg.sender, spender, value);
  return true;
}

transferFrom

Parameters

Name	Type
from	address
to	address
value	uint256

Properties

Visibility public

Mutability transaction

Requirements

value must be less than or equal to _allowed for from for the sender's address

value must be less than or equal to _balances for the sender's address

to must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address from,
  address to,
  uint256 value
) public returns (bool) {
  require(value <= _allowed[from][msg.sender]);

  _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
  _transfer(from, to, value);
  return true;
}

increaseAllowance

Parameters

Name	Type
spender	address
addedValue	uint256

Properties

Visibility public

Mutability transaction

Requirements

spender must not be equal to UNKNOWN VALUE

Source Code

function increaseAllowance(address spender, uint256 addedValue)
  public
  returns (bool)
{
  require(spender != address(0));

  _allowed[msg.sender][spender] = (
    _allowed[msg.sender][spender].add(addedValue)
  );
  emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
  return true;
}

decreaseAllowance

Parameters

Name	Type
spender	address
subtractedValue	uint256

Properties

Visibility public

Mutability transaction

Requirements

spender must not be equal to UNKNOWN VALUE

Source Code

function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  returns (bool)
{
  require(spender != address(0));

  _allowed[msg.sender][spender] = (
    _allowed[msg.sender][spender].sub(subtractedValue)
  );
  emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
  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.

internal ERC20._transfer

Parameters

Name	Type
from	address
to	address
value	uint256

Properties

Visibility internal

Mutability transaction

Requirements

value must be less than or equal to _balances for the sender's address

to must not be equal to UNKNOWN VALUE

Source Code

function _transfer(
  address from,
  address to,
  uint256 value
) internal {
  require(value <= _balances[from]);
  require(to != address(0));

  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  emit Transfer(from, to, value);
}

internal ERC20._mint

Parameters

Name	Type
account	address
value	uint256

Properties

Visibility internal

Mutability transaction

Requirements

account must not be equal to 0

Source Code

function _mint(address account, uint256 value) internal {
  require(account != 0);
  _totalSupply = _totalSupply.add(value);
  _balances[account] = _balances[account].add(value);
  emit Transfer(address(0), account, value);
}

internal ERC20._burn

Parameters

Name	Type
account	address
value	uint256

Properties

Visibility internal

Mutability transaction

Requirements

account must not be equal to 0

value must be less than or equal to _balances for account

Source Code

function _burn(address account, uint256 value) internal {
  require(account != 0);
  require(value <= _balances[account]);

  _totalSupply = _totalSupply.sub(value);
  _balances[account] = _balances[account].sub(value);
  emit Transfer(account, address(0), value);
}

internal ERC20._burnFrom

Parameters

Name	Type
account	address
value	uint256

Properties

Visibility internal

Mutability transaction

Requirements

value must be less than or equal to _allowed for account for the sender's address

account must not be equal to 0

value must be less than or equal to _balances for account

Source Code

function _burnFrom(address account, uint256 value) internal {
  require(value <= _allowed[account][msg.sender]);

  // Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted,
  // this function needs to emit an event with the updated approval.
  _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
  _burn(account, value);
}

Dusk Network

ERC20

About

Stats

Library Use

Events (2) keyboard_arrow_up

Approval 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 (3) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

State Variables (3) keyboard_arrow_up

_balances Variable

_allowed Variable

_totalSupply Variable

Functions Expand All Collapse All

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

increaseAllowance 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

decreaseAllowance 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

Internal Functions Expand All Collapse All

internal ERC20._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

internal ERC20._mint 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

internal ERC20._burn 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

internal ERC20._burnFrom 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

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Events (2)

Parameters

Parameters

Constants (3)

State Variables (3)

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

transfer

Parameters

Requirements

approve

Parameters

Requirements

transferFrom

Parameters

Requirements

increaseAllowance

Parameters

Requirements

decreaseAllowance

Parameters

Requirements

internal ERC20._transfer

Parameters

Requirements

internal ERC20._mint

Parameters

Requirements

internal ERC20._burn

Parameters

Requirements

internal ERC20._burnFrom

Parameters

Requirements