GigaWattToken

0x84119cb33e8f590d75c2d6ea4e6b0741a7494eda Copy

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)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Freeze Event

Parameters

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

Unfreeze Event

Parameters

Constants (2)

MAX_TOKENS Constant

uint256

0xFFFFFFFFFFFFFFFF

MAX_UINT256 Constant

uint256

0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

State Variables (5)

owner Variable

address

Internal Variable

frozen Variable

bool

Internal Variable

tokensCount Variable

uint256

Internal Variable

accounts Variable

mapping(address => uint256)

Internal Variable

approved Variable

mapping(address => mapping(address => uint256))

Internal Variable

Functions Expand All Collapse All

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function totalSupply() constant returns (uint256 supply) {
  return tokensCount;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

function balanceOf(address _owner) constant returns (uint256 balance) {
  return accounts[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address _to, uint256 _value) returns (bool success) {
  if (frozen) return false;
  else return AbstractToken.transfer(_to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability 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);
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) returns (bool success) {
  approved[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _owner, address _spender)
  constant
  returns (uint256 remaining)
{
  return approved[_owner][_spender];
}

createTokens

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

owner must be equal to the sender's address

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;
}

freezeTransfers

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

owner must be equal to the sender's address

Source Code

function freezeTransfers() {
  if (msg.sender != owner) throw;

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

unfreezeTransfers

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

owner must be equal to the sender's address

Source Code

function unfreezeTransfers() {
  if (msg.sender != owner) throw;

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

setOwner

Parameters

Name	Type
_newOwner	address

Properties

Visibility public

Mutability transaction

Requirements

owner must be equal to the sender's address

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

Parameters

Name	Type
_owner	address
_value	uint256

Properties

Visibility internal

Mutability 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

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility private

Mutability 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

Parameters

Name	Type
x	uint256
y	uint256

Properties

Visibility internal

Mutability constant

Requirements

x must be less than or equal to MAX_UINT256 - y

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

Parameters

Name	Type
x	uint256
y	uint256

Properties

Visibility internal

Mutability constant

Requirements

x must be greater than or equal to y

Source Code

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

internal SafeMath.safeMul

Parameters

Name	Type
x	uint256
y	uint256

Properties

Visibility internal

Mutability constant

Requirements

x must be less than or equal to MAX_UINT256 / y

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;
}

GigaWattToken

ERC20

About

Stats

Events (4) keyboard_arrow_up

Approval Event

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

Freeze 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.

Unfreeze Event

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

Constants (2) keyboard_arrow_up

MAX_TOKENS Constant

MAX_UINT256 Constant

State Variables (5) keyboard_arrow_up

owner Variable

frozen Variable

tokensCount Variable

accounts Variable

approved Variable

Functions Expand All Collapse All

totalSupply 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

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

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

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

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

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

createTokens keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

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

freezeTransfers keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

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

unfreezeTransfers keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

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

setOwner keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

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

Internal Functions Expand All Collapse All

internal AbstractToken.createTokens 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

internal AbstractToken.doTransfer 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

internal SafeMath.safeAdd keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

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 (4)

Parameters

Parameters

Parameters

Parameters

Constants (2)

State Variables (5)

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

transferFrom

Parameters

approve

Parameters

allowance

Parameters

createTokens

Parameters

Requirements

freezeTransfers

Parameters

Requirements

unfreezeTransfers

Parameters

Requirements

setOwner

Parameters

Requirements

internal AbstractToken.createTokens

Parameters

internal AbstractToken.doTransfer

Parameters

internal SafeMath.safeAdd

Parameters

Requirements

internal SafeMath.safeSub

Parameters

Requirements

internal SafeMath.safeMul

Parameters

Requirements