OPEN Chain

0x9d86b1b2554ec410eccffbf111a6994910111340 Copy

ERC20

This contract is an ERC20 token.

Name OPEN Chain

Symbol OPENC

Decimals 8

Total Supply 1,745,447,045 OPENC

About

Open Platform (OPEN) is a cryptocurrency and operates on the Ethereum platform. Open Platform has a current supply of 1,745,447,045 with 1,061,610,421.5587 in circulation. The last known price of Open Platform is 0.00246841 USD and is up 1.08 over the last 24 hours. It is currently trading on 4 active market(s) with $59,097.74 traded over the last 24 hours. More information can be found at https://www.openfuture.io/.

Stats

Public Functions 10

Event Types 5

Code Size 11,011 bytes

Events (5)

Approval Event

Parameters

owner	address
spender	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Pause Event

Parameters

Transfer Event

Parameters

from	address
to	address
value	uint256

Unpause Event

Parameters

State Variables (8)

name Variable

string

symbol Variable

string

decimals Variable

uint8

totalSupply Variable

uint256

paused Variable

bool

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;
}

pause

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

whenNotPaused checks for the following:

paused must not be true

Source Code

function pause() public onlyOwner whenNotPaused {
  paused = true;
  Pause();
}

unpause

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

whenPaused checks for the following:

paused must be true

Source Code

function unpause() public onlyOwner whenPaused {
  paused = false;
  Unpause();
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

rejectTokensToContract checks for the following:

_to must not be equal to UNKNOWN VALUE

whenNotPaused checks for the following:

paused must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value)
  public
  rejectTokensToContract(_to)
  whenNotPaused
  returns (bool)
{
  return super.transfer(_to, _value);
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

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

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

rejectTokensToContract checks for the following:

_to must not be equal to UNKNOWN VALUE

whenNotPaused checks for the following:

paused must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

Source Code

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

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

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

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

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

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

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

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.

OPEN Chain

ERC20

About link description

Stats

Events (5) keyboard_arrow_up

Approval 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.

Pause 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.

Unpause Event

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

State Variables (8) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

totalSupply Variable

paused 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

pause 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:

whenNotPaused checks for the following:

Source Code

unpause 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:

whenPaused checks for the following:

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

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

rejectTokensToContract checks for the following:

whenNotPaused 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

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.

rejectTokensToContract checks for the following:

whenNotPaused 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

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.

whenNotPaused 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

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

About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (8)

transferOwnership

Parameters

Modifiers

Requirements

pause

Parameters

Modifiers

unpause

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

allowance

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

increaseApproval

Parameters

Modifiers

decreaseApproval

Parameters

Modifiers