Chainium

0x1460a58096d80a50a2f1f956dda497611fa4f165 Copy

ERC20

This contract is an ERC20 token.

Name Chainium

Symbol CHX

Decimals 18

Total Supply 168,956,522 CHX

About

Stats

Public Functions 24

Event Types 4

Code Size 14,294 bytes

Events (4)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burn Event

Parameters

burner	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (3)

name Constant

string

Chainium

symbol Constant

string

CHX

decimals Constant

uint8

State Variables (6)

isRestricted Variable

bool

tokenSaleContractAddress Variable

address

totalSupply Variable

uint256

owner Variable

address

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

newOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address newOwner) public onlyOwner {
  require(newOwner != address(0));
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _owner) public view returns (uint256 balance) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for the sender's address

Source Code

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

  // SafeMath.sub will throw if there is not enough balance.
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _to, _value);
  return true;
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  return allowed[_owner][_spender];
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for _from

_value must be less than or equal to allowed for _from for the sender's address

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);
  Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

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

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

restricted checks for the following:

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  restricted
  returns (bool success)
{
  return super.increaseApproval(_spender, _addedValue);
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

restricted checks for the following:

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  restricted
  returns (bool success)
{
  return super.decreaseApproval(_spender, _subtractedValue);
}

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be greater than 0

_value must be less than or equal to balances for the sender's address

Source Code

function burn(uint256 _value) public {
  require(_value > 0);
  require(_value <= balances[msg.sender]);
  // 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

  address burner = msg.sender;
  balances[burner] = balances[burner].sub(_value);
  totalSupply = totalSupply.sub(_value);
  Burn(burner, _value);
}

setTokenSaleContractAddress

Parameters

Name	Type
_tokenSaleContractAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_tokenSaleContractAddress must not be equal to UNKNOWN VALUE

Source Code

function setTokenSaleContractAddress(address _tokenSaleContractAddress)
  external
  onlyOwner
{
  require(_tokenSaleContractAddress != address(0));
  tokenSaleContractAddress = _tokenSaleContractAddress;
}

setRestrictedState

Parameters

Name	Type
_isRestricted	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setRestrictedState(bool _isRestricted) external onlyOwner {
  isRestricted = _isRestricted;
}

transfer

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

restricted checks for the following:

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for the sender's address

Source Code

function transfer(address _to, uint256 _value)
  public
  restricted
  returns (bool)
{
  require(_to != address(this));
  return super.transfer(_to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

restricted checks for the following:

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for _from

_value must be less than or equal to allowed for _from for the sender's address

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public restricted returns (bool) {
  require(_to != address(this));
  return super.transferFrom(_from, _to, _value);
}

approve

Parameters

Name	Type
_spender	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

restricted checks for the following:

Source Code

function approve(address _spender, uint256 _value)
  public
  restricted
  returns (bool)
{
  return super.approve(_spender, _value);
}

batchTransfer

Parameters

Name	Type
_recipients	address[]
_values	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _recipients must be equal to the number of values in _values

Source Code

function batchTransfer(address[] _recipients, uint256[] _values)
  external
  returns (bool)
{
  require(_recipients.length == _values.length);

  for (uint256 i = 0; i < _values.length; i++) {
    require(transfer(_recipients[i], _values[i]));
  }

  return true;
}

batchTransferFrom

Parameters

Name	Type
_from	address
_recipients	address[]
_values	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _recipients must be equal to the number of values in _values

Source Code

function batchTransferFrom(
  address _from,
  address[] _recipients,
  uint256[] _values
) external returns (bool) {
  require(_recipients.length == _values.length);

  for (uint256 i = 0; i < _values.length; i++) {
    require(transferFrom(_from, _recipients[i], _values[i]));
  }

  return true;
}

batchTransferFromMany

Parameters

Name	Type
_senders	address[]
_to	address
_values	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _senders must be equal to the number of values in _values

Source Code

function batchTransferFromMany(
  address[] _senders,
  address _to,
  uint256[] _values
) external returns (bool) {
  require(_senders.length == _values.length);

  for (uint256 i = 0; i < _values.length; i++) {
    require(transferFrom(_senders[i], _to, _values[i]));
  }

  return true;
}

batchTransferFromManyToMany

Parameters

Name	Type
_senders	address[]
_recipients	address[]
_values	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _senders must be equal to the number of values in _recipients

the number of values in _senders must be equal to the number of values in _values

Source Code

function batchTransferFromManyToMany(
  address[] _senders,
  address[] _recipients,
  uint256[] _values
) external returns (bool) {
  require(_senders.length == _recipients.length);
  require(_senders.length == _values.length);

  for (uint256 i = 0; i < _values.length; i++) {
    require(transferFrom(_senders[i], _recipients[i], _values[i]));
  }

  return true;
}

batchApprove

Parameters

Name	Type
_spenders	address[]
_values	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _spenders must be equal to the number of values in _values

Source Code

function batchApprove(address[] _spenders, uint256[] _values)
  external
  returns (bool)
{
  require(_spenders.length == _values.length);

  for (uint256 i = 0; i < _values.length; i++) {
    require(approve(_spenders[i], _values[i]));
  }

  return true;
}

batchIncreaseApproval

Parameters

Name	Type
_spenders	address[]
_addedValues	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _spenders must be equal to the number of values in _addedValues

Source Code

function batchIncreaseApproval(address[] _spenders, uint256[] _addedValues)
  external
  returns (bool)
{
  require(_spenders.length == _addedValues.length);

  for (uint256 i = 0; i < _addedValues.length; i++) {
    require(increaseApproval(_spenders[i], _addedValues[i]));
  }

  return true;
}

batchDecreaseApproval

Parameters

Name	Type
_spenders	address[]
_subtractedValues	uint[]

Properties

Visibility public

Mutability transaction

Requirements

the number of values in _spenders must be equal to the number of values in _subtractedValues

Source Code

function batchDecreaseApproval(address[] _spenders, uint256[] _subtractedValues)
  external
  returns (bool)
{
  require(_spenders.length == _subtractedValues.length);

  for (uint256 i = 0; i < _subtractedValues.length; i++) {
    require(decreaseApproval(_spenders[i], _subtractedValues[i]));
  }

  return true;
}

burn

Parameters

Name	Type
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_value must be greater than 0

_value must be less than or equal to balances for the sender's address

Source Code

function burn(uint256 _value) public onlyOwner {
  super.burn(_value);
}

drainStrayEther

Parameters

Name	Type
_amount	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function drainStrayEther(uint256 _amount) external onlyOwner returns (bool) {
  owner.transfer(_amount);
  return true;
}

drainStrayTokens

Parameters

Name	Type
_token	ERC20Basic
_amount	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function drainStrayTokens(ERC20Basic _token, uint256 _amount)
  external
  onlyOwner
  returns (bool)
{
  return _token.transfer(owner, _amount);
}

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.

Chainium

ERC20

About

Stats

Events (4) keyboard_arrow_up

Approval Event

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

Burn Event

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

OwnershipTransferred 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.

Constants (3) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

State Variables (6) keyboard_arrow_up

isRestricted Variable

tokenSaleContractAddress Variable

totalSupply Variable

owner Variable

allowed Variable

balances Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

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

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

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

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

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

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

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

increaseApproval keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

restricted checks for the following:

Source Code

decreaseApproval keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

restricted checks for the following:

Source Code

burn 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

setTokenSaleContractAddress keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

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

setRestrictedState keyboard_arrow_up

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

Events (4)

Parameters

Parameters

Parameters

Parameters

Constants (3)

State Variables (6)

transferOwnership

Parameters

Modifiers

Requirements

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

increaseApproval

Parameters

Modifiers

decreaseApproval

Parameters

Modifiers

burn

Parameters

Requirements

setTokenSaleContractAddress

Parameters

Modifiers

Requirements

setRestrictedState

Parameters

Modifiers

transfer

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

batchTransfer

Parameters

Requirements

batchTransferFrom

Parameters

Requirements

batchTransferFromMany

Parameters

Requirements

batchTransferFromManyToMany

Parameters

Requirements

batchApprove

Parameters

Requirements

batchIncreaseApproval

Parameters

Requirements

batchDecreaseApproval

Parameters

Requirements

burn

Parameters

Modifiers

Requirements

drainStrayEther

Parameters