VNTChain

0x69d2779533a4d2c780639713558b2cc98c46a9b7 Copy

ERC20

This contract is an ERC20 token.

Name VNTChain

Symbol VNT

Decimals 8

Total Supply 10,000,000,000 VNT

About

VNT Chain (VNT) is a cryptocurrency and operates on the Ethereum platform. VNT Chain has a current supply of 10,000,000,000 with 2,717,613,095.393633 in circulation. The last known price of VNT Chain is 0.00816746 USD and is down -0.14 over the last 24 hours. It is currently trading on 5 active market(s) with $28,856.32 traded over the last 24 hours. More information can be found at http://vntchain.io/?language=en.

Stats

Public Functions 9

Event Types 2

Code Size 5,075 bytes

Events (2)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (3)

tokenName Constant

string

VNTChain

tokenSymbol Constant

string

VNT

decimalUnits Constant

uint8

State Variables (8)

name Variable

string

symbol Variable

string

decimals Variable

uint8

totalSupply Variable

uint256

owner Variable

address

balanceOf Variable

mapping(address => uint256)

restrictedAddresses Variable

mapping(address => bool)

Internal Variable

allowance Variable

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

Internal Variable

Functions Expand All Collapse All

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be greater than 0

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

balanceOf for _to + _value must be greater than or equal to balanceOf for _to

restrictedAddresses for the sender's address must not be true

restrictedAddresses for _to must not be true

Source Code

function transfer(address _to, uint256 _value) public returns (bool success) {
  require(_value > 0);
  require(balanceOf[msg.sender] >= _value); // Check if the sender has enough
  require(balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
  require(!restrictedAddresses[msg.sender]);
  require(!restrictedAddresses[_to]);
  balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
  balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
  Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place
  return true;
}

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)
{
  allowance[msg.sender][_spender] = _value; // Set allowance
  Approval(msg.sender, _spender, _value); // Raise Approval event
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be less than or equal to balanceOf for _from

balanceOf for _to + _value must be greater than or equal to balanceOf for _to

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

restrictedAddresses for _from must not be true

restrictedAddresses for the sender's address must not be true

restrictedAddresses for _to must not be true

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool success) {
  require(balanceOf[_from] >= _value); // Check if the sender has enough
  require(balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
  require(_value <= allowance[_from][msg.sender]); // Check allowance
  require(!restrictedAddresses[_from]);
  require(!restrictedAddresses[msg.sender]);
  require(!restrictedAddresses[_to]);
  balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value); // Subtract from the sender
  balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
  allowance[_from][msg.sender] = SafeMath.safeSub(
    allowance[_from][msg.sender],
    _value
  );
  Transfer(_from, _to, _value);
  return true;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function totalSupply() public constant returns (uint256 Supply) {
  return totalSupply;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

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

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 allowance[_owner][_spender];
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() public payable {
  revert();
}

editRestrictedAddress

Parameters

Name	Type
_newRestrictedAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function editRestrictedAddress(address _newRestrictedAddress) public onlyOwner {
  restrictedAddresses[_newRestrictedAddress] = !restrictedAddresses[
    _newRestrictedAddress
  ];
}

isRestrictedAddress

Parameters

Name	Type
_querryAddress	address

Properties

Visibility public

Mutability constant

Source Code

function isRestrictedAddress(address _querryAddress)
  public
  constant
  returns (bool answer)
{
  return restrictedAddresses[_querryAddress];
}

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 SafeMath.safeMul

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Requirements

One or more of the following: - b must be equal to c / a - OR a must be equal to 0

Source Code

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

internal SafeMath.safeDiv

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Requirements

b must be greater than 0

a must be equal to b * c + UNKNOWN VALUE

Source Code

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

internal SafeMath.safeSub

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Requirements

b must be less than or equal to a

Source Code

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

internal SafeMath.safeAdd

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility internal

Mutability pure

Requirements

c must be greater than or equal to b

c must be greater than or equal to a

Source Code

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

VNTChain

ERC20

About link description

Stats

Events (2) 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.

Constants (3) keyboard_arrow_up

tokenName Constant

tokenSymbol Constant

decimalUnits Constant

State Variables (8) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

totalSupply Variable

owner Variable

balanceOf Variable

restrictedAddresses Variable

allowance Variable

Functions Expand All Collapse All

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

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

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

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

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

editRestrictedAddress 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

isRestrictedAddress 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 Functions Expand All Collapse All

internal SafeMath.safeMul 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

internal SafeMath.safeDiv 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

internal SafeMath.safeSub 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

internal SafeMath.safeAdd keyboard_arrow_up

About

Events (2)

Parameters

Parameters

Constants (3)

State Variables (8)

transfer

Parameters

Requirements

approve

Parameters

transferFrom

Parameters

Requirements

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

constructor

Parameters

editRestrictedAddress

Parameters

Modifiers

isRestrictedAddress

Parameters

internal SafeMath.safeMul

Parameters

Requirements

internal SafeMath.safeDiv

Parameters

Requirements

internal SafeMath.safeSub

Parameters

Requirements

internal SafeMath.safeAdd

Parameters

Requirements