Blockwell

Marlin POND

ERC20

This contract is an ERC20 token.

Name Marlin POND
Symbol POND
Decimals 18
Total Supply 3,593,753,056 POND

About link description

Marlin (POND) is a cryptocurrency and operates on the Ethereum platform. Marlin has a current supply of 3,184,000,001 with 736,908,424.429 in circulation. The last known price of Marlin is 0.06281145 USD and is down -2.62 over the last 24 hours. It is currently trading on 28 active market(s) with $17,632,400.42 traded over the last 24 hours. More information can be found at https://www.marlin.pro/.

Stats

Public Functions 22
Event Types 4
Code Size 24,433 bytes

Events (4) 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

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

initialized Variable

bool help
Internal Variable

initializing Variable

bool help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

_balances Variable

mapping(address => uint256) help
Internal Variable

_allowances Variable

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

_totalSupply Variable

uint256 help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

_name Variable

string help
Internal Variable

_symbol Variable

string help
Internal Variable

_decimals Variable

uint8 help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

_cap Variable

uint256 help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

_minters Variable

Roles.Role help
Internal Variable

______gap Variable

uint256[] help
Internal Variable

______gap Variable

uint256[] 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
account
address help

Properties

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

Parameters help

Name Type
to
address help
value
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function transfer(address to, uint256 value) public returns (bool) {
  _transfer(_msgSender(), to, value);
  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
  returns (uint256)
{
  return _allowances[owner][spender];
}

Parameters help

Name Type
spender
address help
value
uint256 help

Properties

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Requirements help

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

Parameters help

Name Type
from
address help
to
address help
value
uint256 help

Properties

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Requirements help

Source Code
function transferFrom(
  address from,
  address to,
  uint256 value
) public returns (bool) {
  _transfer(from, to, value);
  _approve(from, _msgSender(), _allowances[from][_msgSender()].sub(value));
  return true;
}

Parameters help

Name Type
spender
address help
addedValue
uint256 help

Properties

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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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Requirements help

Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].sub(subtractedValue)
  );
  return true;
}

burn keyboard_arrow_up

Parameters help

Name Type
amount
uint256 help

Properties

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Requirements help

Source Code
function burn(uint256 amount) public {
  _burn(_msgSender(), amount);
}

burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Requirements help

Source Code
function burnFrom(address account, uint256 amount) public {
  _burnFrom(account, amount);
}

initialize keyboard_arrow_up

Parameters help

Name Type
sender
address help

Properties

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Modifiers help

Source Code
function initialize(address sender) public initializer {
  MinterRole.initialize(sender);
}

isMinter keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

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

addMinter keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

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Modifiers help

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

renounceMinter keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

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Source Code
function renounceMinter() public {
  _removeMinter(_msgSender());
}

mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Mutability help transaction

Modifiers help

onlyMinter checks for the following:
null

Requirements help

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

initialize keyboard_arrow_up

Parameters help

Name Type
cap
uint256 help
sender
address help

Properties

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Modifiers help

Requirements help

Source Code
function initialize(uint256 cap, address sender) public initializer {
  ERC20Mintable.initialize(sender);

  require(cap > 0, "ERC20Capped: cap is 0");
  _cap = cap;
}

cap keyboard_arrow_up

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This function has no parameters.

Properties

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Source Code
function cap() public view returns (uint256) {
  return _cap;
}

initialize keyboard_arrow_up

Parameters help

Name Type
name
string help
symbol
string help
decimals
uint8 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Source Code
function initialize(
  string memory name,
  string memory symbol,
  uint8 decimals
) public initializer {
  _name = name;
  _symbol = symbol;
  _decimals = decimals;
}

Parameters help

This function has no parameters.

Properties

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

Parameters help

This function has no parameters.

Properties

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

Parameters help

This function has no parameters.

Properties

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

initialize keyboard_arrow_up

Parameters help

Name Type
_name
string help
_symbol
string help
_decimal
uint8 help
_bridge
address help

Properties

Visibility help public
Mutability help transaction

Modifiers help

Requirements help

Source Code
function initialize(
  string memory _name,
  string memory _symbol,
  uint8 _decimal,
  address _bridge
) public initializer {
  ERC20Detailed.initialize(_name, _symbol, _decimal);
  // ERC20Mintable.initialize(msg.sender);
  ERC20Capped.initialize(10000000000e18, msg.sender);
  mint(_bridge, 3000000000e18);
}

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 Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

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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);
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Requirements help

Source Code
function _mint(address account, uint256 amount) internal {
  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 ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

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Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0), "ERC20: burn from the zero address");

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

internal ERC20._approve keyboard_arrow_up

Parameters help

Name Type
owner
address help
spender
address help
value
uint256 help

Properties

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Requirements help

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

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

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Requirements help

Source Code
function _burnFrom(address account, uint256 amount) internal {
  _burn(account, amount);
  _approve(
    account,
    _msgSender(),
    _allowances[account][_msgSender()].sub(amount)
  );
}

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

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) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

Parameters help

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 Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal ERC20Capped._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

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Requirements help

Source Code
function _mint(address account, uint256 value) internal {
  require(totalSupply().add(value) <= _cap, "ERC20Capped: cap exceeded");
  super._mint(account, value);
}

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

Visibility help internal
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);
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 amount) internal {
  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 ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

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Requirements help

Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0), "ERC20: burn from the zero address");

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

internal ERC20._approve keyboard_arrow_up

Parameters help

Name Type
owner
address help
spender
address help
value
uint256 help

Properties

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Mutability help transaction

Requirements help

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

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

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Requirements help

Source Code
function _burnFrom(address account, uint256 amount) internal {
  _burn(account, amount);
  _approve(
    account,
    _msgSender(),
    _allowances[account][_msgSender()].sub(amount)
  );
}

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
Mutability help view
Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

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) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

Parameters help

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 MinterRole._addMinter keyboard_arrow_up

Parameters help

Name Type
account
address help

Properties

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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

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

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help private
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Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

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) {
  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 Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

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Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal Context.constructor keyboard_arrow_up

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This function has no parameters.

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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) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

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This function has no parameters.

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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 ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

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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);
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Requirements help

Source Code
function _mint(address account, uint256 amount) internal {
  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 ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
value
uint256 help

Properties

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Source Code
function _burn(address account, uint256 value) internal {
  require(account != address(0), "ERC20: burn from the zero address");

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

internal ERC20._approve keyboard_arrow_up

Parameters help

Name Type
owner
address help
spender
address help
value
uint256 help

Properties

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Requirements help

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

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

internal ERC20._burnFrom keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

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Source Code
function _burnFrom(address account, uint256 amount) internal {
  _burn(account, amount);
  _approve(
    account,
    _msgSender(),
    _allowances[account][_msgSender()].sub(amount)
  );
}

internal Initializable.isConstructor keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

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Source Code
function isConstructor() private view returns (bool) {
  // extcodesize checks the size of the code stored in an address, and
  // address returns the current address. Since the code is still not
  // deployed when running a constructor, any checks on its code size will
  // yield zero, making it an effective way to detect if a contract is
  // under construction or not.
  address self = address(this);
  uint256 cs;
  assembly {
    cs := extcodesize(self)
  }
  return cs == 0;
}

internal Context.constructor keyboard_arrow_up

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This function has no parameters.

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Source Code
constructor() internal {}

internal Context._msgSender keyboard_arrow_up

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This function has no parameters.

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

internal Context._msgData keyboard_arrow_up

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This function has no parameters.

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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;
}