ZperToken

0xb5b8f5616fe42d5ceca3e87f3fddbdd8f496d760 Copy

ERC20

This contract is an ERC20 token.

Name ZperToken

Symbol ZPR

Decimals 18

Total Supply 1,850,000,000 ZPR

About

ZPER (ZPR) is a cryptocurrency and operates on the Ethereum platform. ZPER has a current supply of 1,850,000,000 with 1,258,254,656.7491152 in circulation. The last known price of ZPER is 0.00031957 USD and is up 0.44 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://zper.io.

Stats

Public Functions 9

Event Types 5

Code Size 4,644 bytes

Library Use

Uses SafeMath for uint256.

Events (5)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Burn Event

Parameters

burner	address
value	uint256

Mint Event

Parameters

to	address
amount	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

Constants (3)

name Constant

string

ZperToken

symbol Constant

string

ZPR

decimals Constant

uint8

State Variables (5)

owner Variable

address

totalSupply Variable

uint256

cap Variable

uint256

balances Variable

mapping(address => uint256)

allowed Variable

mapping(address => 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));
  owner = newOwner;
  emit OwnershipTransferred(owner, newOwner);
}

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 success) {
  require(_to != address(0));
  require(balances[msg.sender] >= _value);

  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

_to must not be equal to UNKNOWN VALUE

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

_value must be less than or equal to balances for _from

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool success) {
  require(_to != address(0));
  require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);

  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;
}

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];
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value)
  public
  returns (bool success)
{
  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 constant

Source Code

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

mint

Parameters

Name	Type
_to	address
_amount	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

cap must be greater than or equal to UNKNOWN VALUE

Source Code

function mint(address _to, uint256 _amount) public onlyOwner returns (bool) {
  require(_to != address(0));
  require(cap >= totalSupply.add(_amount));

  totalSupply = totalSupply.add(_amount);
  balances[_to] = balances[_to].add(_amount);

  emit Mint(_to, _amount);
  emit Transfer(address(0), _to, _amount);

  return true;
}

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

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

Source Code

function burn(uint256 _value) public returns (bool) {
  require(_value <= balances[msg.sender]);

  balances[msg.sender] = balances[msg.sender].sub(_value);
  totalSupply = totalSupply.sub(_value);

  emit Burn(msg.sender, _value);
  emit Transfer(msg.sender, address(0), _value);

  return true;
}

batchTransfer

Parameters

Name	Type
_tos	address[]
_amount	uint256[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

the number of values in _tos must be equal to the number of values in _amount

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

Source Code

function batchTransfer(address[] _tos, uint256[] _amount)
  public
  onlyOwner
  returns (bool success)
{
  require(_tos.length == _amount.length);
  uint256 i;
  uint256 sum = 0;

  for (i = 0; i < _amount.length; i++) {
    sum = sum.add(_amount[i]);
    require(_tos[i] != address(0));
  }

  require(balances[msg.sender] >= sum);

  for (i = 0; i < _tos.length; i++) transfer(_tos[i], _amount[i]);

  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.

ZperToken

ERC20

About link

Stats

Library Use

Events (5) 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.

Mint 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 (5) keyboard_arrow_up

owner Variable

totalSupply Variable

cap Variable

balances Variable

allowed 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

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

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

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

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

mint 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

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

batchTransfer 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

Internal Functions Expand All Collapse All

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About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (3)

State Variables (5)

transferOwnership

Parameters

Modifiers

Requirements

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

balanceOf

Parameters

approve

Parameters

allowance

Parameters

mint

Parameters

Modifiers

Requirements

burn

Parameters

Requirements

batchTransfer

Parameters

Modifiers

Requirements