Blockwell

POA ERC20 on Foundation

ERC20

This contract is an ERC20 token.

Name POA ERC20 on Foundation
Symbol POA20
Decimals 18
Total Supply 27,068,428 POA20

About

Stats

Public Functions 14
Event Types 7
Code Size 13,848 bytes

Events (7) 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

OwnershipTransferred Event

Parameters help
previousOwner
address help
newOwner
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

Transfer Event

Parameters help
from
address help
to
address help
value
uint help
data
bytes help

name Variable

string help

symbol Variable

string help

decimals Variable

uint8 help

mintingFinished Variable

bool help

owner Variable

address help

balances Variable

mapping(address => uint256) help
Internal Variable

totalSupply_ Variable

uint256 help
Internal Variable

allowed Variable

mapping(address => 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));
  emit OwnershipTransferred(owner, newOwner);
  owner = newOwner;
}

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
Source Code
function transfer(address _to, uint256 _value) public returns (bool) {
  require(_to != address(0));
  require(_value <= balances[msg.sender]);

  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  emit Transfer(msg.sender, _to, _value);
  return true;
}

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 returns (bool) {
  require(_to != address(0));
  require(_value <= balances[_from]);
  require(_value <= allowed[_from][msg.sender]);

  balances[_from] = balances[_from].sub(_value);
  balances[_to] = balances[_to].add(_value);
  allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
  emit Transfer(_from, _to, _value);
  return true;
}

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

Parameters help

Name Type
address help
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function mint(address, uint256) public returns (bool);

Parameters help

This function has no parameters.

Properties

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

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function burn(uint256 _value) public;

Parameters help

Name Type
_to
address help
_value
uint help
_data
bytes help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

null
Source Code
function transferAndCall(
  address _to,
  uint256 _value,
  bytes _data
) external validRecipient(_to) returns (bool) {
  require(transfer(_to, _value));
  emit Transfer(msg.sender, _to, _value, _data);
  if (isContract(_to)) {
    require(contractFallback(_to, _value, _data));
  }
  return true;
}

Parameters help

Name Type
_token
address help
_to
address help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function claimTokens(address _token, address _to) public onlyOwner {
  require(_to != address(0));
  if (_token == address(0)) {
    _to.transfer(address(this).balance);
    return;
  }

  DetailedERC20 token = DetailedERC20(_token);
  uint256 balance = token.balanceOf(address(this));
  require(token.transfer(_to, balance));
}

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 POA20.contractFallback keyboard_arrow_up

Parameters help

Name Type
_to
address help
_value
uint help
_data
bytes help

Properties

Visibility help private
Mutability help transaction
Source Code
function contractFallback(
  address _to,
  uint256 _value,
  bytes _data
) private returns (bool) {
  ERC677Receiver receiver = ERC677Receiver(_to);
  return receiver.onTokenTransfer(msg.sender, _value, _data);
}

internal POA20.isContract keyboard_arrow_up

Parameters help

Name Type
_addr
address help

Properties

Visibility help private
Mutability help view
Source Code
function isContract(address _addr) private view returns (bool) {
  uint256 length;
  assembly {
    length := extcodesize(_addr)
  }
  return length > 0;
}

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);
}