1World

0xfdbc1adc26f0f8f8606a5d63b7d3a3cd21c22b23 Copy

ERC20

This contract is an ERC20 token.

Name 1World

Symbol 1WO

Decimals 8

Total Supply 37,219,453 1WO

About

1World (1WO) is a cryptocurrency and operates on the Ethereum platform. 1World has a current supply of 37,219,452.96. The last known price of 1World is 0.07737401 USD and is up 8.52 over the last 24 hours. It is currently trading on 1 active market(s) with $7,340.19 traded over the last 24 hours. More information can be found at https://ico.1worldonline.com.

Stats

Public Functions 13

Event Types 4

Code Size 13,549 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 (1)

MAX_UINT256 Constant

uint256

0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF

State Variables (5)

owner Variable

address

Internal Variable

tokenCount Variable

uint256

Internal Variable

frozen Variable

bool

Internal Variable

accounts Variable

mapping(address => uint256)

Internal Variable

allowances 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 tokenCount;
}

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) {
  allowances[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 allowances[_owner][_spender];
}

name

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function name() constant returns (string result) {
  return "1World";
}

symbol

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function symbol() constant returns (string result) {
  return "1WO";
}

decimals

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function decimals() constant returns (uint8 result) {
  return 8;
}

approve

Parameters

Name	Type
_spender	address
_currentValue	uint256
_newValue	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(
  address _spender,
  uint256 _currentValue,
  uint256 _newValue
) returns (bool success) {
  if (allowance(msg.sender, _spender) == _currentValue)
    return approve(_spender, _newValue);
  else return false;
}

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) {
  require(msg.sender == owner);

  owner = _newOwner;
}

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() {
  require(msg.sender == owner);

  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() {
  require(msg.sender == owner);

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

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 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) {
  assert(x <= MAX_UINT256 - y);
  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) {
  assert(x >= y);
  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
  assert(x <= MAX_UINT256 / y);
  return x * y;
}

1World

ERC20

About link description

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 (1) keyboard_arrow_up

MAX_UINT256 Constant

State Variables (5) keyboard_arrow_up

owner Variable

tokenCount Variable

frozen Variable

accounts Variable

allowances 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

name 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

symbol 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

decimals 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

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

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

Internal Functions Expand All Collapse All

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.

About

Events (4)

Parameters

Parameters

Parameters

Parameters

Constants (1)

State Variables (5)

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

transferFrom

Parameters

approve

Parameters

allowance

Parameters

name

Parameters

symbol

Parameters

decimals

Parameters

approve

Parameters

setOwner

Parameters

Requirements

freezeTransfers

Parameters

Requirements

unfreezeTransfers

Parameters

Requirements

internal SafeMath.safeAdd

Parameters

Requirements

internal SafeMath.safeSub

Parameters

Requirements

internal SafeMath.safeMul

Parameters

Requirements