POPCHAIN CASH

0xe3f4b4a5d91e5cb9435b947f090a319737036312 Copy

ERC20

This contract is an ERC20 token.

Name POPCHAIN CASH

Symbol PCH

Decimals 18

Total Supply 2,000,000,000 PCH

About

POPCHAIN (PCH) is a cryptocurrency and operates on the Ethereum platform. POPCHAIN has a current supply of 2,000,000,000 with 892,799,356.876322 in circulation. The last known price of POPCHAIN is 0.00008717 USD and is up 0.03 over the last 24 hours. It is currently trading on 1 active market(s) with $0.00 traded over the last 24 hours. More information can be found at https://popchain.co.

Stats

Public Functions 14

Event Types 3

Code Size 7,622 bytes

Library Use

Uses SafeMath for uint256.

Events (3)

Approval Event

Parameters

owner	address
spender	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (12)

name Variable

string

symbol Variable

string

decimals Variable

uint8

owner Variable

address

newOwner Variable

address

initialSupply Variable

uint256

Internal Variable

_totalSupply Variable

uint256

Internal Variable

LOCKUP_TERM Variable

uint256

Internal Variable

_balances Variable

mapping(address => uint256)

Internal Variable

_allowed Variable

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

Internal Variable

_lockupBalances Variable

mapping(address => uint256)

Internal Variable

_lockupExpireTime 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));
  newOwner = _newOwner;
}

acceptOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyNewOwner checks for the following:

the sender's address must not be equal to UNKNOWN VALUE

newOwner must be equal to the sender's address

Source Code

function acceptOwnership() public onlyNewOwner returns (bool) {
  uint256 ownerAmount = _balances[owner];
  _balances[owner] = _balances[owner].sub(ownerAmount);
  _balances[newOwner] = _balances[newOwner].add(ownerAmount);
  emit Transfer(owner, newOwner, ownerAmount);
  owner = newOwner;
  newOwner = address(0);
  emit OwnershipTransferred(owner, newOwner);

  return true;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return _totalSupply;
}

balanceOf

Parameters

Name	Type
_holder	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _holder) public view returns (uint256 balance) {
  return _balances[_holder].add(_lockupBalances[_holder]);
}

allowance

Parameters

Name	Type
_holder	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

the sender's address 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(_to != address(this));
  require(msg.sender != 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);
  emit Transfer(msg.sender, _to, _value);
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_from must not be equal to UNKNOWN VALUE

_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(_from != address(0));
  require(_to != address(0));
  require(_to != address(this));
  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);
  emit Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be greater than 0

Source Code

function approve(address _spender, uint256 _value) public returns (bool) {
  require(_value > 0);
  _allowed[msg.sender][_spender] = _value;
  emit Approval(msg.sender, _spender, _value);
  return true;
}

lockupBalanceOf

Parameters

Name	Type
_holder	address

Properties

Visibility public

Mutability view

Source Code

function lockupBalanceOf(address _holder)
  public
  view
  returns (uint256 balance)
{
  return _lockupBalances[_holder];
}

unlockTimeOf

Parameters

Name	Type
_holder	address

Properties

Visibility public

Mutability view

Source Code

function unlockTimeOf(address _holder) public view returns (uint256 lockTime) {
  return _lockupExpireTime[_holder];
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() public payable {
  revert();
}

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

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

Source Code

function burn(uint256 _value) public onlyOwner returns (bool success) {
  require(_value <= _balances[msg.sender]);
  address burner = msg.sender;
  _balances[burner] = _balances[burner].sub(_value);
  _totalSupply = _totalSupply.sub(_value);
  return true;
}

distribute

Parameters

Name	Type
_to	address
_value	uint256
_lockupRate	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_to must not be equal to UNKNOWN VALUE

_lockupBalances for _to must be equal to 0

_value must be less than or equal to _balances for owner

One or more of the following: - _lockupRate must be equal to 100 - OR _lockupRate must be equal to 50

Source Code

function distribute(
  address _to,
  uint256 _value,
  uint256 _lockupRate
) public onlyOwner returns (bool) {
  require(_to != address(0));
  require(_to != address(this));
  //Do not allow multiple distributions of the same address. Avoid locking time reset.
  require(_lockupBalances[_to] == 0);
  require(_value <= _balances[owner]);
  require(_lockupRate == 50 || _lockupRate == 100);

  _balances[owner] = _balances[owner].sub(_value);

  uint256 lockupValue = _value.mul(_lockupRate).div(100);
  uint256 givenValue = _value.sub(lockupValue);
  uint256 ExpireTime = now + LOCKUP_TERM; //six months

  if (_lockupRate == 100) {
    ExpireTime += LOCKUP_TERM; //one year.
  }

  _balances[_to] = _balances[_to].add(givenValue);
  _lockupBalances[_to] = _lockupBalances[_to].add(lockupValue);
  _lockupExpireTime[_to] = ExpireTime;

  emit Transfer(owner, _to, _value);
  return true;
}

unlock

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

_lockupBalances for tokenHolder must be greater than 0

now must be greater than or equal to _lockupExpireTime for tokenHolder

Source Code

function unlock() public returns (bool) {
  address tokenHolder = msg.sender;
  require(_lockupBalances[tokenHolder] > 0);
  require(_lockupExpireTime[tokenHolder] <= now);

  uint256 value = _lockupBalances[tokenHolder];

  _balances[tokenHolder] = _balances[tokenHolder].add(value);
  _lockupBalances[tokenHolder] = 0;

  return true;
}

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.

POPCHAIN CASH

ERC20

About link

Stats

Library Use

Events (3) 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.

Transfer Event

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

State Variables (12) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

owner Variable

newOwner Variable

initialSupply Variable

_totalSupply Variable

LOCKUP_TERM Variable

_balances Variable

_allowed Variable

_lockupBalances Variable

_lockupExpireTime 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

acceptOwnership 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.

onlyNewOwner checks for the following:

Source Code

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

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

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

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

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

lockupBalanceOf 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

unlockTimeOf 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

constructor 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.

About

Events (3)

Parameters

Parameters

Parameters

State Variables (12)

transferOwnership

Parameters

Modifiers

Requirements

acceptOwnership

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

Requirements

lockupBalanceOf

Parameters

unlockTimeOf

Parameters

constructor

Parameters

burn

Parameters

Modifiers

Requirements

distribute

Parameters

Modifiers

Requirements

unlock

Parameters

Requirements