Blockwell

GigaWattToken

ERC20

This contract is an ERC20 token.

Name GigaWattToken
Symbol WTT
Decimals
Total Supply NaN WTT

About

Stats

Public Functions 10
Event Types 4
Code Size 12,733 bytes

Events (4) keyboard_arrow_up

Approval Event

Parameters help
_owner
address help
_spender
address help
_value
uint256 help

Freeze Event

Parameters help

Transfer Event

Parameters help
_from
address help
_to
address help
_value
uint256 help

Unfreeze Event

Parameters help

MAX_TOKENS Constant

uint256 help
0xFFFFFFFFFFFFFFFF

MAX_UINT256 Constant

uint256 help
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

owner Variable

address help
Internal Variable

frozen Variable

bool help
Internal Variable

tokensCount Variable

uint256 help
Internal Variable

accounts Variable

mapping(address => uint256) help
Internal Variable

approved Variable

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

Functions Expand All Collapse All

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help constant
Source Code
function totalSupply() constant returns (uint256 supply) {
  return tokensCount;
}

Parameters help

Name Type
_owner
address help

Properties

Visibility help public
Mutability help constant
Source Code
function balanceOf(address _owner) constant returns (uint256 balance) {
  return accounts[_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) returns (bool success) {
  if (frozen) return false;
  else return AbstractToken.transfer(_to, _value);
}

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
) returns (bool success) {
  if (frozen) return false;
  else return AbstractToken.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) returns (bool success) {
  approved[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

Parameters help

Name Type
_owner
address help
_spender
address help

Properties

Visibility help public
Mutability help constant
Source Code
function allowance(address _owner, address _spender)
  constant
  returns (uint256 remaining)
{
  return approved[_owner][_spender];
}

Parameters help

Name Type
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function createTokens(uint256 _value) returns (bool success) {
  if (msg.sender != owner) throw;

  if (_value > MAX_TOKENS - totalSupply()) return false;

  AbstractToken.createTokens(owner, _value);

  return true;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function freezeTransfers() {
  if (msg.sender != owner) throw;

  if (!frozen) {
    frozen = true;
    Freeze();
  }
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function unfreezeTransfers() {
  if (msg.sender != owner) throw;

  if (frozen) {
    frozen = false;
    Unfreeze();
  }
}

Parameters help

Name Type
_newOwner
address help

Properties

Visibility help public
Mutability help transaction
Source Code
function setOwner(address _newOwner) {
  if (msg.sender != owner) throw;

  owner = _newOwner;
}

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 AbstractToken.createTokens keyboard_arrow_up

Parameters help

Name Type
_owner
address help
_value
uint256 help

Properties

Visibility help internal
Mutability help transaction
Source Code
function createTokens(address _owner, uint256 _value) internal {
  if (_value > 0) {
    accounts[_owner] = safeAdd(accounts[_owner], _value);
    tokensCount = safeAdd(tokensCount, _value);
  }
}

internal AbstractToken.doTransfer keyboard_arrow_up

Parameters help

Name Type
_from
address help
_to
address help
_value
uint256 help

Properties

Visibility help private
Mutability help transaction
Source Code
function doTransfer(
  address _from,
  address _to,
  uint256 _value
) private returns (bool success) {
  if (_value > accounts[_from]) return false;
  if (_value > 0 && _from != _to) {
    accounts[_from] = safeSub(accounts[_from], _value);
    accounts[_to] = safeAdd(accounts[_to], _value);
    Transfer(_from, _to, _value);
  }
  return true;
}

internal SafeMath.safeAdd keyboard_arrow_up

Parameters help

Name Type
x
uint256 help
y
uint256 help

Properties

Visibility help internal
Mutability help constant
Source Code
function safeAdd(uint256 x, uint256 y) internal constant returns (uint256 z) {
  if (x > MAX_UINT256 - y) throw;
  return x + y;
}

internal SafeMath.safeSub keyboard_arrow_up

Parameters help

Name Type
x
uint256 help
y
uint256 help

Properties

Visibility help internal
Mutability help constant

Requirements help

Source Code
function safeSub(uint256 x, uint256 y) internal constant returns (uint256 z) {
  if (x < y) throw;
  return x - y;
}

internal SafeMath.safeMul keyboard_arrow_up

Parameters help

Name Type
x
uint256 help
y
uint256 help

Properties

Visibility help internal
Mutability help constant
Source Code
function safeMul(uint256 x, uint256 y) internal constant returns (uint256 z) {
  if (y == 0) return 0; // Prevent division by zero at the next line
  if (x > MAX_UINT256 / y) throw;
  return x * y;
}