CEN

0x0bc61dded5f6710c637cf8288eb6058766ce1921 Copy

ERC20

This contract is an ERC20 token.

Name CEN

Symbol CEN

Decimals 18

Total Supply 912,473,583 CEN

About

Coinsuper Ecosystem Network (CEN) is a cryptocurrency and operates on the Ethereum platform. Coinsuper Ecosystem Network has a current supply of 898,614,083.223577 with 358,497,292.593577 in circulation. The last known price of Coinsuper Ecosystem Network is 0.00116839 USD and is down -12.30 over the last 24 hours. It is currently trading on 1 active market(s) with $557.17 traded over the last 24 hours. More information can be found at https://www.coinsuper.com/#/home.

Stats

Public Functions 12

Event Types 4

Code Size 7,330 bytes

Events (4)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Burn Event

Parameters

_owner	address
_value	uint256

LogOwnerChanged Event

Parameters

msgSender

address

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

State Variables (9)

name Variable

string

decimals Variable

uint256

symbol Variable

string

totalSupply Variable

uint256

owner Variable

address

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

frozenAccount Variable

mapping(address => bool)

Internal Variable

stopped Variable

bool

Internal Variable

Functions Expand All Collapse All

setOwner

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

Source Code

function setOwner(address newOwner) public onlyOwner returns (bool) {
  if (owner == msg.sender) {
    owner = newOwner;
    emit LogOwnerChanged(msg.sender);
    return true;
  } else {
    return false;
  }
}

_status

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function _status() public view returns (bool) {
  return stopped;
}

stop

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

Source Code

function stop() public onlyOwner {
  stopped = true;
}

start

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

Source Code

function start() public onlyOwner {
  stopped = false;
}

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

Modifiers

stoppable checks for the following:

stopped must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

null

Source Code

function transfer(address _to, uint256 _value)
  public
  stoppable
  returns (bool ind)
{
  //Default assumes totalSupply can't be over max (2^256 - 1).
  //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
  //Replace the if with this one instead.
  //if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
  require(_to != address(0));
  require(frozenCheck(msg.sender, _to));
  if (balances[msg.sender] >= _value && _value > 0) {
    balances[msg.sender] = safeSub(balances[msg.sender], _value);
    balances[_to] = safeAdd(balances[_to], _value);
    emit Transfer(msg.sender, _to, _value);
    return true;
  } else {
    return false;
  }
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Requirements

null

_to must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public stoppable returns (bool success) {
  //same as above. Replace this line with the following if you want to protect against wrapping uints.
  require(frozenCheck(_from, _to));
  require(_to != address(0));
  if (
    balances[_from] >= _value &&
    allowed[_from][msg.sender] >= _value &&
    _value > 0
  ) {
    balances[_to] = safeAdd(balances[_to], _value);
    balances[_from] = safeSub(balances[_from], _value);
    allowed[_from][msg.sender] = safeSub(allowed[_from][msg.sender], _value);
    emit Transfer(_from, _to, _value);
    return true;
  } else {
    return false;
  }
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Requirements

null

_spender must not be equal to UNKNOWN VALUE

_value must be greater than 0

allowed for the sender's address for _spender must be equal to 0

Source Code

function approve(address _spender, uint256 _value)
  public
  stoppable
  returns (bool success)
{
  require(frozenCheck(_spender, msg.sender));
  require(_spender != address(0));
  require(_value > 0);
  require(allowed[msg.sender][_spender] == 0);
  allowed[msg.sender][_spender] = _value;
  emit Approval(msg.sender, _spender, _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 remaining)
{
  return allowed[_owner][_spender];
}

burn

Parameters

Name	Type
amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function burn(uint256 amount) public stoppable onlyOwner returns (bool) {
  if (balances[msg.sender] > amount) {
    balances[msg.sender] = safeSub(balances[msg.sender], amount);
    totalSupply = safeSub(totalSupply, amount);
    emit Burn(msg.sender, amount);
    return true;
  } else {
    return false;
  }
}

freezeAccount

Parameters

Name	Type
target	address
freeze	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeAccount(address target, bool freeze) public onlyOwner {
  frozenAccount[target] = freeze;
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Source Code

function() public stoppable {
  revert();
}

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 StandardToken.frozenCheck

Parameters

Name	Type
_from	address
_to	address

Properties

Visibility private

Mutability view

Requirements

frozenAccount for _from must not be true

frozenAccount for _to must not be true

Source Code

function frozenCheck(address _from, address _to) private view returns (bool) {
  require(!frozenAccount[_from]);
  require(!frozenAccount[_to]);
  return true;
}

internal Token.frozenCheck

Parameters

Name	Type
_from	address
_to	address

Properties

Visibility private

Mutability view

Source Code

function frozenCheck(address _from, address _to) private view returns (bool);

internal SafeMath.safeMul

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Source Code

function safeMul(uint256 a, uint256 b) internal pure returns (uint256) {
  uint256 c = a * b;
  judgement(a == 0 || c / a == b);
  return c;
}

internal SafeMath.safeDiv

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Source Code

function safeDiv(uint256 a, uint256 b) internal pure returns (uint256) {
  judgement(b > 0);
  uint256 c = a / b;
  judgement(a == b * c + (a % b));
  return c;
}

internal SafeMath.safeSub

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Source Code

function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
  judgement(b <= a);
  return a - b;
}

internal SafeMath.safeAdd

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Source Code

function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
  uint256 c = a + b;
  judgement(c >= a && c >= b);
  return c;
}

internal SafeMath.safeMulWithPresent

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Source Code

function safeMulWithPresent(uint256 a, uint256 b)
  internal
  pure
  returns (uint256)
{
  uint256 c = safeDiv(safeMul(a, b), 1000);
  judgement(b == (c * 1000) / a);
  return c;
}

internal SafeMath.judgement

Parameters

Name	Type
assertion	bool

Properties

Visibility internal

Mutability pure

Source Code

function judgement(bool assertion) internal pure {
  if (!assertion) {
    revert();
  }
}

CEN

ERC20

About link

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.

LogOwnerChanged 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.

State Variables (9) keyboard_arrow_up

name Variable

decimals Variable

symbol Variable

totalSupply Variable

owner Variable

balances Variable

allowed Variable

frozenAccount Variable

stopped Variable

Functions Expand All Collapse All

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

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

onlyOwner checks for the following:

Source Code

_status 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

stop 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:

Source Code

start 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:

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.

stoppable 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

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.

stoppable 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.

stoppable 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

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

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

stoppable checks for the following:

About

Events (4)

Parameters

Parameters

Parameters

Parameters

State Variables (9)

setOwner

Parameters

Modifiers

_status

Parameters

stop

Parameters

Modifiers

start

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

Requirements

allowance

Parameters

burn

Parameters

Modifiers

freezeAccount

Parameters

Modifiers

constructor

Parameters

Modifiers

internal StandardToken.frozenCheck

Parameters

Requirements

internal Token.frozenCheck

Parameters

internal SafeMath.safeMul

Parameters

internal SafeMath.safeDiv

Parameters

internal SafeMath.safeSub

Parameters

internal SafeMath.safeAdd

Parameters

internal SafeMath.safeMulWithPresent

Parameters

internal SafeMath.judgement

Parameters