Blockwell

Wrapped BTC

ERC20

This contract is an ERC20 token.

Name Wrapped BTC
Symbol WBTC
Decimals 8
Total Supply 16,373 WBTC

About link description

Wrapped Bitcoin (WBTC) is a cryptocurrency and operates on the Ethereum platform. Wrapped Bitcoin has a current supply of 196,274.97459399. The last known price of Wrapped Bitcoin is 31,978.96880259 USD and is up 1.73 over the last 24 hours. It is currently trading on 135 active market(s) with $203,752,309.18 traded over the last 24 hours. More information can be found at https://wbtc.network.

Stats

Public Functions 20
Event Types 9
Code Size 18,286 bytes

Events (9) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

Burn Event

Parameters help
burner
address help
value
uint256 help

Mint Event

Parameters help
to
address help
amount
uint256 help

MintFinished Event

Parameters help

OwnershipRenounced Event

Parameters help
previousOwner
address help

OwnershipTransferred Event

Parameters help
previousOwner
address help
newOwner
address help

Pause Event

Parameters help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

Unpause Event

Parameters help

name Variable

string help

symbol Variable

string help

decimals Variable

uint8 help

mintingFinished Variable

bool help

owner Variable

address help

paused Variable

bool help

pendingOwner Variable

address help

allowed Variable

mapping(address => mapping(address => uint256)) help
Internal Variable

balances Variable

mapping(address => uint256) help
Internal Variable

totalSupply_ Variable

uint256 help
Internal Variable

Functions Expand All Collapse All

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function renounceOwnership() public onlyOwner {
  revert("renouncing ownership is blocked");
}

Parameters help

Name Type
newOwner
address help

Properties

Visibility help public
Mutability help transaction
Source Code
function transferOwnership(address newOwner) public onlyOwner {
  pendingOwner = newOwner;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function claimOwnership() public onlyPendingOwner {
  emit OwnershipTransferred(owner, pendingOwner);
  owner = pendingOwner;
  pendingOwner = address(0);
}

Parameters help

Name Type
_token
ERC20Basic help

Properties

Visibility help public
Mutability help transaction
Source Code
function reclaimToken(ERC20Basic _token) external onlyOwner {
  uint256 balance = _token.balanceOf(this);
  _token.safeTransfer(owner, balance);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function pause() public onlyOwner whenNotPaused {
  paused = true;
  emit Pause();
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function unpause() public onlyOwner whenPaused {
  paused = false;
  emit Unpause();
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function totalSupply() public view returns (uint256) {
  return totalSupply_;
}

Parameters help

Name Type
_owner
address help

Properties

Visibility help public
Mutability help view
Source Code
function balanceOf(address _owner) public view returns (uint256) {
  return balances[_owner];
}

Parameters help

Name Type
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Source Code
function transfer(address _to, uint256 _value)
  public
  whenNotPaused
  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

Modifiers help

Source Code
function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public whenNotPaused 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

Modifiers help

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

Parameters help

Name Type
_spender
address help
_addedValue
uint256 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)
  );
  emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

Name Type
_spender
address help
_subtractedValue
uint256 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);
  }
  emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

Name Type
_spender
address help
_addedValue
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

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

Parameters help

Name Type
_spender
address help
_subtractedValue
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

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

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function burn(uint256 _value) public {
  _burn(msg.sender, _value);
}

Parameters help

Name Type
_to
address help
_amount
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function mint(address _to, uint256 _amount)
  public
  hasMintPermission
  canMint
  returns (bool)
{
  totalSupply_ = totalSupply_.add(_amount);
  balances[_to] = balances[_to].add(_amount);
  emit Mint(_to, _amount);
  emit Transfer(address(0), _to, _amount);
  return true;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function finishMinting() public onlyOwner returns (bool) {
  return false;
}

Parameters help

Name Type
value
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function burn(uint256 value) public onlyOwner {
  super.burn(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.

internal Ownable._transferOwnership keyboard_arrow_up

Parameters help

Name Type
_newOwner
address help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

internal BurnableToken._burn keyboard_arrow_up

Parameters help

Name Type
_who
address help
_value
uint256 help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _burn(address _who, uint256 _value) internal {
  require(_value <= balances[_who]);
  // no need to require value <= totalSupply, since that would imply the
  // sender's balance is greater than the totalSupply, which *should* be an assertion failure

  balances[_who] = balances[_who].sub(_value);
  totalSupply_ = totalSupply_.sub(_value);
  emit Burn(_who, _value);
  emit Transfer(_who, address(0), _value);
}

internal Ownable._transferOwnership keyboard_arrow_up

Parameters help

Name Type
_newOwner
address help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

internal Ownable._transferOwnership keyboard_arrow_up

Parameters help

Name Type
_newOwner
address help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

internal Ownable._transferOwnership keyboard_arrow_up

Parameters help

Name Type
_newOwner
address help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}