ChainLink Token

0x514910771af9ca656af840dff83e8264ecf986ca Copy

ERC20

This contract is an ERC20 token.

Name ChainLink Token

Symbol LINK

Decimals 18

Total Supply 1,000,000,000 LINK

About

Chainlink (LINK) is a cryptocurrency and operates on the Ethereum platform. Chainlink has a current supply of 1,000,000,000 with 440,009,553.9174637 in circulation. The last known price of Chainlink is 15.65693459 USD and is down -0.75 over the last 24 hours. It is currently trading on 482 active market(s) with $688,968,296.27 traded over the last 24 hours. More information can be found at https://chain.link/.

Stats

Public Functions 9

Event Types 3

Code Size 9,102 bytes

Events (3)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint
data	bytes

Constants (4)

totalSupply Constant

uint

UNKNOWN VALUE

name Constant

string

ChainLink Token

decimals Constant

uint8

symbol Constant

string

LINK

State Variables (3)

totalSupply Variable

uint256

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

Functions Expand All Collapse All

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address _to, uint256 _value) returns (bool) {
  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 constant

Source Code

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

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

validRecipient checks for the following:

_to must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public validRecipient(_to) returns (bool) {
  return super.transferFrom(_from, _to, _value);
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

validRecipient checks for the following:

_to must not be equal to UNKNOWN VALUE

Source Code

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

transferAndCall

Parameters

Name	Type
_to	address
_value	uint
_data	bytes

Properties

Visibility public

Mutability transaction

Modifiers

validRecipient checks for the following:

_to must not be equal to UNKNOWN VALUE

Source Code

function transferAndCall(
  address _to,
  uint256 _value,
  bytes _data
) public validRecipient(_to) returns (bool success) {
  return super.transferAndCall(_to, _value, _data);
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  returns (bool success)
{
  allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(
    _addedValue
  );
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  returns (bool success)
{
  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;
}

transfer

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

validRecipient checks for the following:

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value)
  public
  validRecipient(_to)
  returns (bool success)
{
  return super.transfer(_to, _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.

internal ERC677Token.contractFallback

Parameters

Name	Type
_to	address
_value	uint
_data	bytes

Properties

Visibility private

Mutability transaction

Source Code

function contractFallback(
  address _to,
  uint256 _value,
  bytes _data
) private {
  ERC677Receiver receiver = ERC677Receiver(_to);
  receiver.onTokenTransfer(msg.sender, _value, _data);
}

internal ERC677Token.isContract

Parameters

Name	Type
_addr	address

Properties

Visibility private

Mutability transaction

Source Code

function isContract(address _addr) private returns (bool hasCode) {
  uint256 length;
  assembly {
    length := extcodesize(_addr)
  }
  return length > 0;
}

ChainLink Token

ERC20

About link description

Stats

Events (3) keyboard_arrow_up

Approval 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.

Transfer Event

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

Constants (4) keyboard_arrow_up

totalSupply Constant

name Constant

decimals Constant

symbol Constant

State Variables (3) keyboard_arrow_up

totalSupply Variable

allowed Variable

balances Variable

Functions Expand All Collapse All

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

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

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

validRecipient checks for the following:

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

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

validRecipient checks for the following:

Source Code

transferAndCall 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.

validRecipient checks for the following:

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

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

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

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

validRecipient checks for the following:

Source Code

Internal Functions Expand All Collapse All

internal ERC677Token.contractFallback 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 ERC677Token.isContract 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

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About

Events (3)

Parameters

Parameters

Parameters

Constants (4)

State Variables (3)

balanceOf

Parameters

transfer

Parameters

allowance

Parameters

transferFrom

Parameters

Modifiers

approve

Parameters

Modifiers

transferAndCall

Parameters

Modifiers

increaseApproval

Parameters

decreaseApproval

Parameters

transfer

Parameters

Modifiers

internal ERC677Token.contractFallback

Parameters

internal ERC677Token.isContract

Parameters