Blockwell

JUL

ERC20

This contract is an ERC20 token.

Name JUL
Symbol JUL
Decimals 18
Total Supply 1,000,000 JUL

About link description

JustLiquidity (JUL) is a cryptocurrency and operates on the Ethereum platform. JustLiquidity has a current supply of 963,148.10248 with 568,076.53237394 in circulation. The last known price of JustLiquidity is 47.85230726 USD and is up 0.72 over the last 24 hours. It is currently trading on 2 active market(s) with $243.95 traded over the last 24 hours. More information can be found at https://justliquidity.org.

Stats

Public Functions 14
Event Types 3
Code Size 7,715 bytes

Library Use

Uses SafeMath for uint256.

Events (3) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

OwnershipTransferred Event

Parameters help
previousOwner
address help
newOwner
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

_balances Variable

mapping(address => uint256) help

_allowances Variable

mapping(address => mapping(address => uint256)) help
Internal Variable

_totalSupply Variable

uint256 help
Internal Variable

_owner Variable

address help
Internal Variable

_name Variable

string help
Internal Variable

_symbol Variable

string help
Internal Variable

_decimals Variable

uint8 help
Internal Variable

Functions Expand All Collapse All

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function name() public view returns (string memory) {
  return _name;
}

Parameters help

This function has no parameters.

Properties

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Mutability help view
Source Code
function symbol() public view returns (string memory) {
  return _symbol;
}

Parameters help

This function has no parameters.

Properties

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Mutability help view
Source Code
function decimals() public view returns (uint8) {
  return _decimals;
}

owner keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function owner() public view returns (address payable) {
  return _owner;
}

isOwner keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

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Mutability help view
Source Code
function isOwner() public view returns (bool) {
  return _msgSender() == _owner;
}

transferOwnership keyboard_arrow_up

Parameters help

Name Type
newOwner
address help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyOwner checks for the following:
null

Requirements help

Source Code
function transferOwnership(address payable newOwner) public onlyOwner {
  _transferOwnership(newOwner);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function totalSupply() public view override returns (uint256) {
  return _totalSupply;
}

Parameters help

Name Type
account
address help

Properties

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Mutability help view
Source Code
function balanceOf(address account) public view override returns (uint256) {
  return _balances[account];
}

Parameters help

Name Type
recipient
address help
amount
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function transfer(address recipient, uint256 amount)
  public
  override
  returns (bool)
{
  _transfer(_msgSender(), recipient, amount);
  return true;
}

Parameters help

Name Type
owner
address help
spender
address help

Properties

Visibility help public
Mutability help view
Source Code
function allowance(address owner, address spender)
  public
  view
  override
  returns (uint256)
{
  return _allowances[owner][spender];
}

Parameters help

Name Type
spender
address help
amount
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function approve(address spender, uint256 amount)
  public
  override
  returns (bool)
{
  _approve(_msgSender(), spender, amount);
  return true;
}

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function transferFrom(
  address sender,
  address recipient,
  uint256 amount
) public override returns (bool) {
  _transfer(sender, recipient, amount);
  _approve(
    sender,
    _msgSender(),
    _allowances[sender][_msgSender()].sub(
      amount,
      "ERC20: transfer amount exceeds allowance"
    )
  );
  return true;
}

Parameters help

Name Type
spender
address help
addedValue
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function increaseAllowance(address spender, uint256 addedValue)
  public
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].add(addedValue)
  );
  return true;
}

Parameters help

Name Type
spender
address help
subtractedValue
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].sub(
      subtractedValue,
      "ERC20: decreased allowance below zero"
    )
  );
  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.

internal JUL._transfer keyboard_arrow_up

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function _transfer(
  address sender,
  address recipient,
  uint256 amount
) internal {
  require(sender != address(0), "ERC20: transfer from the zero address");
  require(recipient != address(0), "ERC20: transfer to the zero address");
  _balances[sender] = _balances[sender].sub(
    amount,
    "ERC20: transfer amount exceeds balance"
  );
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal JUL._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

Visibility help private
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 amount) private {
  require(account != address(0), "ERC20: mint to the zero address");

  _totalSupply = _totalSupply.add(amount);

  _balances[account] = _balances[account].add(amount);

  emit Transfer(address(0), account, amount);
}

internal JUL._approve keyboard_arrow_up

Parameters help

Name Type
owner
address help
spender
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _approve(
  address owner,
  address spender,
  uint256 amount
) internal {
  require(owner != address(0), "ERC20: approve from the zero address");
  require(spender != address(0), "ERC20: approve to the zero address");

  _allowances[owner][spender] = amount;
  emit Approval(owner, spender, amount);
}

internal Context.constructor keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
constructor() internal {}

internal Context._msgSender keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
function _msgSender() internal view returns (address payable) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
function _msgData() internal view returns (bytes memory) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  return msg.data;
}

internal Ownable.constructor keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
constructor() internal {
  address payable msgSender = _msgSender();
  _owner = msgSender;
  emit OwnershipTransferred(address(0), msgSender);
}

internal Ownable._transferOwnership keyboard_arrow_up

Parameters help

Name Type
newOwner
address help

Properties

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Requirements help

Source Code
function _transferOwnership(address payable newOwner) internal {
  require(newOwner != address(0), "Ownable: new owner is the zero address");
  emit OwnershipTransferred(_owner, newOwner);
  _owner = newOwner;
}

internal Context.constructor keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
constructor() internal {}

internal Context._msgSender keyboard_arrow_up

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This function has no parameters.

Properties

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Mutability help view
Source Code
function _msgSender() internal view returns (address payable) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

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This function has no parameters.

Properties

Visibility help internal
Mutability help view
Source Code
function _msgData() internal view returns (bytes memory) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  return msg.data;
}