"BANKEX" project utility token

0x45245bc59219eeaaf6cd3f382e078a461ff9de7b Copy

ERC20

This contract is an ERC20 token.

Name "BANKEX" project utility token

Symbol BKX

Decimals 18

Total Supply 400,000,000 BKX

About

Stats

Public Functions 14

Event Types 3

Code Size 9,637 bytes

Library Use

Uses SafeMath for uint256.

Events (3)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

State Variables (12)

owner Variable

address

name Variable

string

symbol Variable

string

upgradable Variable

bool

upgraderSet Variable

bool

upgrader Variable

address

locked Variable

bool

decimals Variable

uint8

decimalMultiplier Variable

uint256

totalSupply Variable

uint256

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

mapping(address => mapping(address => 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
  returns (bool success)
{
  require(newOwner != address(0));
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
  return true;
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

unlocked checks for the following:

locked must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value) public unlocked returns (bool) {
  require(_to != address(0));
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _to, _value);
  return true;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

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

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

unlocked checks for the following:

locked must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

_allowance must be greater than or equal to _value

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public unlocked returns (bool) {
  require(_to != address(0));
  uint256 _allowance = allowed[_from][msg.sender];
  require(_allowance >= _value);
  balances[_from] = balances[_from].sub(_value);
  balances[_to] = balances[_to].add(_value);
  allowed[_from][msg.sender] = _allowance.sub(_value);
  Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

unlocked checks for the following:

locked must not be true

Requirements

One or more of the following:

Source Code

function approve(address _spender, uint256 _value)
  public
  unlocked
  returns (bool)
{
  require((_value == 0) || (allowed[msg.sender][_spender] == 0));
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

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 remaining)
{
  return allowed[_owner][_spender];
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

unlocked checks for the following:

locked must not be true

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  unlocked
  returns (bool success)
{
  allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(
    _addedValue
  );
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

unlocked checks for the following:

locked must not be true

Source Code

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

setLock

Parameters

Name	Type
_newLockState	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_newLockState must not be equal to locked

Source Code

function setLock(bool _newLockState) public onlyOwner returns (bool success) {
  require(_newLockState != locked);
  locked = _newLockState;
  return true;
}

allowUpgrading

Parameters

Name	Type
_newState	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function allowUpgrading(bool _newState)
  public
  onlyOwner
  returns (bool success)
{
  upgradable = _newState;
  return true;
}

setUpgrader

Parameters

Name	Type
_upgraderAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

upgraderSet must not be true

_upgraderAddress must not be equal to UNKNOWN VALUE

Source Code

function setUpgrader(address _upgraderAddress)
  public
  onlyOwner
  returns (bool success)
{
  require(!upgraderSet);
  require(_upgraderAddress != address(0));
  upgraderSet = true;
  upgrader = TokenUpgraderInterface(_upgraderAddress);
  return true;
}

upgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

upgradable must be true

upgraderSet must be true

upgrader must not be equal to the result of calling TokenUpgraderInterface with UNKNOWN ARGUMENT

value must be greater than 0

Source Code

function upgrade() public returns (bool success) {
  require(upgradable);
  require(upgraderSet);
  require(upgrader != TokenUpgraderInterface(0));
  uint256 value = balances[msg.sender];
  assert(value > 0);
  delete balances[msg.sender];
  totalSupply = totalSupply.sub(value);
  assert(upgrader.upgradeFor(msg.sender, value));
  return true;
}

upgradeFor

Parameters

Name	Type
_for	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

upgradable must be true

upgraderSet must be true

upgrader must not be equal to the result of calling TokenUpgraderInterface with UNKNOWN ARGUMENT

_allowance must be greater than or equal to _value

Source Code

function upgradeFor(address _for, uint256 _value)
  public
  returns (bool success)
{
  require(upgradable);
  require(upgraderSet);
  require(upgrader != TokenUpgraderInterface(0));
  uint256 _allowance = allowed[_for][msg.sender];
  require(_allowance >= _value);
  balances[_for] = balances[_for].sub(_value);
  allowed[_for][msg.sender] = _allowance.sub(_value);
  totalSupply = totalSupply.sub(_value);
  assert(upgrader.upgradeFrom(msg.sender, _for, _value));
  return true;
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() external payable {
  if (upgradable) {
    assert(upgrade());
    return;
  }
  revert();
}

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 Token.mint

Parameters

Name	Type
_for	address
_amount	uint256

Properties

Visibility internal

Mutability transaction

Source Code

function mint(address _for, uint256 _amount) internal returns (bool success) {
  _amount = _amount * decimalMultiplier;
  balances[_for] = balances[_for].add(_amount);
  totalSupply = totalSupply.add(_amount);
  Transfer(0, _for, _amount);
  return true;
}

"BANKEX" project utility token

ERC20

About

Stats

Library Use

Events (3) keyboard_arrow_up

Approval 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.

Transfer Event

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

State Variables (12) keyboard_arrow_up

owner Variable

name Variable

symbol Variable

upgradable Variable

upgraderSet Variable

upgrader Variable

locked Variable

decimals Variable

decimalMultiplier Variable

totalSupply Variable

balances Variable

allowed 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

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

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

unlocked 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

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

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

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

unlocked 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

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

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

unlocked 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

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

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

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

unlocked checks for the following:

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

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

unlocked checks for the following:

Source Code

setLock 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.

Events (3)

Parameters

Parameters

Parameters

State Variables (12)

transferOwnership

Parameters

Modifiers

Requirements

transfer

Parameters

Modifiers

Requirements

balanceOf

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

Requirements

allowance

Parameters

increaseApproval

Parameters

Modifiers

decreaseApproval

Parameters

Modifiers

setLock

Parameters

Modifiers

Requirements

allowUpgrading

Parameters

Modifiers

setUpgrader

Parameters

Modifiers

Requirements

upgrade

Parameters

Requirements

upgradeFor

Parameters

Requirements

constructor

Parameters

internal Token.mint

Parameters