Blockwell

OM Token

ERC20

This contract is an ERC20 token.

Name OM Token
Symbol OM
Decimals 18
Total Supply 182,166,667 OM

About

Stats

Public Functions 25
Event Types 8
Code Size 19,121 bytes

Events (8) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

MinterAdded Event

Parameters help
account
address help

MinterRemoved Event

Parameters help
account
address help

Paused Event

Parameters help
account
address help

PauserAdded Event

Parameters help
account
address help

PauserRemoved Event

Parameters help
account
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

Unpaused Event

Parameters help
account
address help

_balances Variable

mapping(address => uint256) help
Internal Variable

_allowed Variable

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

_totalSupply Variable

uint256 help
Internal Variable

_paused Variable

bool help
Internal Variable

_pausers Variable

Roles.Role help
Internal Variable

_name Variable

string help
Internal Variable

_symbol Variable

string help
Internal Variable

_decimals Variable

uint8 help
Internal Variable

_minters Variable

Roles.Role 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 totalSupply() public view returns (uint256) {
  return _totalSupply;
}

Parameters help

Name Type
owner
address help

Properties

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

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
  returns (uint256)
{
  return _allowed[owner][spender];
}

Parameters help

Name Type
to
address help
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function transfer(address to, uint256 value)
  public
  whenNotPaused
  returns (bool)
{
  return super.transfer(to, value);
}

Parameters help

Name Type
spender
address help
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function approve(address spender, uint256 value)
  public
  whenNotPaused
  returns (bool)
{
  return super.approve(spender, value);
}

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function transferFrom(
  address from,
  address to,
  uint256 value
) public whenNotPaused returns (bool) {
  return super.transferFrom(from, to, value);
}

Parameters help

Name Type
spender
address help
addedValue
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function increaseAllowance(address spender, uint256 addedValue)
  public
  returns (bool)
{
  require(spender != address(0));

  _allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
  emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
  return true;
}

Parameters help

Name Type
spender
address help
subtractedValue
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  returns (bool)
{
  require(spender != address(0));

  _allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(
    subtractedValue
  );
  emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
  return true;
}

Parameters help

Name Type
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function burn(uint256 value) public {
  _burn(msg.sender, value);
}

Parameters help

Name Type
from
address help
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function burnFrom(address from, uint256 value) public {
  _burnFrom(from, value);
}

Parameters help

Name Type
account
address help

Properties

Visibility help public
Mutability help view
Source Code
function isMinter(address account) public view returns (bool) {
  return _minters.has(account);
}

Parameters help

Name Type
account
address help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyMinter checks for the following:
null
Source Code
function addMinter(address account) public onlyMinter {
  _addMinter(account);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function renounceMinter() public {
  _removeMinter(msg.sender);
}

Parameters help

Name Type
to
address help
value
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyMinter checks for the following:
null

Requirements help

Source Code
function mint(address to, uint256 value) public onlyMinter returns (bool) {
  _mint(to, value);
  return true;
}

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

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

Parameters help

This function has no parameters.

Properties

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

Parameters help

Name Type
account
address help

Properties

Visibility help public
Mutability help view
Source Code
function isPauser(address account) public view returns (bool) {
  return _pausers.has(account);
}

Parameters help

Name Type
account
address help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyPauser checks for the following:
null
Source Code
function addPauser(address account) public onlyPauser {
  _addPauser(account);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction
Source Code
function renouncePauser() public {
  _removePauser(msg.sender);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function paused() public view returns (bool) {
  return _paused;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyPauser checks for the following:
null
Source Code
function pause() public onlyPauser whenNotPaused {
  _paused = true;
  emit Paused(msg.sender);
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help transaction

Modifiers help

Source Code
function unpause() public onlyPauser whenPaused {
  _paused = false;
  emit Unpaused(msg.sender);
}

Parameters help

Name Type
spender
address help
addedValue
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function increaseAllowance(address spender, uint256 addedValue)
  public
  whenNotPaused
  returns (bool success)
{
  return super.increaseAllowance(spender, addedValue);
}

Parameters help

Name Type
spender
address help
subtractedValue
uint help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  whenNotPaused
  returns (bool success)
{
  return super.decreaseAllowance(spender, subtractedValue);
}

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 ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transfer(
  address from,
  address to,
  uint256 value
) internal {
  require(to != address(0));

  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  emit Transfer(from, to, value);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.add(value);
  _balances[account] = _balances[account].add(value);
  emit Transfer(address(0), account, value);
}

internal ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.sub(value);
  _balances[account] = _balances[account].sub(value);
  emit Transfer(account, address(0), value);
}

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burnFrom(address account, uint256 value) internal {
  _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
  _burn(account, value);
  emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transfer(
  address from,
  address to,
  uint256 value
) internal {
  require(to != address(0));

  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  emit Transfer(from, to, value);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.add(value);
  _balances[account] = _balances[account].add(value);
  emit Transfer(address(0), account, value);
}

internal ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.sub(value);
  _balances[account] = _balances[account].sub(value);
  emit Transfer(account, address(0), value);
}

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burnFrom(address account, uint256 value) internal {
  _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
  _burn(account, value);
  emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}

internal Pausable.constructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help transaction
Source Code
constructor() internal {
  _paused = false;
}

internal PauserRole.constructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help transaction
Source Code
constructor() internal {
  _addPauser(msg.sender);
}

internal PauserRole._addPauser keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _addPauser(address account) internal {
  _pausers.add(account);
  emit PauserAdded(account);
}

internal PauserRole._removePauser keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _removePauser(address account) internal {
  _pausers.remove(account);
  emit PauserRemoved(account);
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transfer(
  address from,
  address to,
  uint256 value
) internal {
  require(to != address(0));

  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  emit Transfer(from, to, value);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.add(value);
  _balances[account] = _balances[account].add(value);
  emit Transfer(address(0), account, value);
}

internal ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.sub(value);
  _balances[account] = _balances[account].sub(value);
  emit Transfer(account, address(0), value);
}

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burnFrom(address account, uint256 value) internal {
  _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
  _burn(account, value);
  emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}

internal MinterRole.constructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help transaction
Source Code
constructor() internal {
  _addMinter(msg.sender);
}

internal MinterRole._addMinter keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _addMinter(address account) internal {
  _minters.add(account);
  emit MinterAdded(account);
}

internal MinterRole._removeMinter keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _removeMinter(address account) internal {
  _minters.remove(account);
  emit MinterRemoved(account);
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transfer(
  address from,
  address to,
  uint256 value
) internal {
  require(to != address(0));

  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  emit Transfer(from, to, value);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.add(value);
  _balances[account] = _balances[account].add(value);
  emit Transfer(address(0), account, value);
}

internal ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0));

  _totalSupply = _totalSupply.sub(value);
  _balances[account] = _balances[account].sub(value);
  emit Transfer(account, address(0), value);
}

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burnFrom(address account, uint256 value) internal {
  _allowed[account][msg.sender] = _allowed[account][msg.sender].sub(value);
  _burn(account, value);
  emit Approval(account, msg.sender, _allowed[account][msg.sender]);
}