Blockwell

Metadium

ERC20

This contract is an ERC20 token.

Name Metadium
Symbol META
Decimals 18
Total Supply 2,000,000,000 META

About

Stats

Public Functions 12
Event Types 6
Code Size 10,988 bytes

Events (6) 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

OwnershipTransferred Event

Parameters help
previousOwner
address help
newOwner
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

TransferDisabled Event

Parameters help
owner
address help

TransferEnabled Event

Parameters help
owner
address help

name Constant

string help
Metadium

symbol Constant

string help
META

decimals Constant

uint8 help
18

INITIAL_SUPPLY Constant

uint256 help
2000000000 * UNKNOWN VALUE

transferEnabled Variable

bool help

owner 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

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));
  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 balance) {
  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 isTradable 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
Source Code
function transferFrom(
  address from,
  address to,
  uint256 value
) public isTradable 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
Source Code
function approve(address _spender, uint256 _value) public returns (bool) {
  require(allowed[msg.sender][_spender] == 0);
  allowed[msg.sender][_spender] = _value;
  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
  );
  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);
  }
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function enableTransfer() external onlyOwner {
  transferEnabled = true;
  TransferEnabled(owner);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function disableTransfer() external onlyOwner {
  transferEnabled = false;
  TransferDisabled(owner);
}

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function burn(uint256 _value) external onlyOwner {
  require(_value <= balances[msg.sender]);
  require(_value <= totalSupply_);
  balances[msg.sender] = balances[msg.sender].sub(_value);
  totalSupply_ = totalSupply_.sub(_value);
  Burn(msg.sender, _value);
  Transfer(msg.sender, address(0), _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.