Proton Token

0x4689a4e169eb39cc9078c0940e21ff1aa8a39b9c Copy

ERC20

This contract is an ERC20 token.

Name Proton Token

Symbol PTT

Decimals 18

Total Supply 10,000,000,000 PTT

About

Stats

Public Functions 11

Event Types 4

Code Size 6,219 bytes

Events (4)

Burn Event

Parameters

from	address
value	uint256

FrozenFunds Event

Parameters

target	address
frozen	bool

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (9)

owner Variable

address

name Variable

string

symbol Variable

string

decimals Variable

uint8

totalSupply Variable

uint256

frozenAccount Variable

mapping(address => bool)

freezeOf Variable

mapping(address => uint256)

balanceOf Variable

mapping(address => uint256)

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

_to must not be equal to 0x0

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

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function transfer(address _to, uint256 _value) public {
  _transfer(msg.sender, _to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

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

_to must not be equal to 0x0

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

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool success) {
  require(_value <= allowance[_from][msg.sender]);
  allowance[_from][msg.sender] = SafeMath.safeSub(
    allowance[_from][msg.sender],
    _value
  );
  _transfer(_from, _to, _value);
  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;
  return true;
}

approveAndCall

Parameters

Name	Type
_spender	address
_value	uint256
_extraData	bytes

Properties

Visibility public

Mutability transaction

Source Code

function approveAndCall(
  address _spender,
  uint256 _value,
  bytes _extraData
) public returns (bool success) {
  tokenRecipient spender = tokenRecipient(_spender);
  if (approve(_spender, _value)) {
    spender.receiveApproval(msg.sender, _value, this, _extraData);
    return true;
  }
}

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));
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
}

burnFrom

Parameters

Name	Type
_from	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_value must be less than or equal to balanceOf for _from

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

Source Code

function burnFrom(address _from, uint256 _value)
  public
  onlyOwner
  returns (bool success)
{
  require(balanceOf[_from] >= _value);
  require(_value <= allowance[_from][msg.sender]);
  balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value);
  allowance[_from][msg.sender] = SafeMath.safeSub(
    allowance[_from][msg.sender],
    _value
  );
  totalSupply = SafeMath.safeSub(totalSupply, _value);
  Burn(_from, _value);
  return true;
}

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

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

Source Code

function burn(uint256 _value) public onlyOwner returns (bool success) {
  require(balanceOf[msg.sender] >= _value);
  balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value);
  totalSupply = SafeMath.safeSub(totalSupply, _value);
  Burn(msg.sender, _value);
  return true;
}

freezeAccount

Parameters

Name	Type
target	address
freeze	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeAccount(address target, bool freeze) public onlyOwner {
  frozenAccount[target] = freeze;
  FrozenFunds(target, freeze);
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() public payable {}

withdrawEther

Parameters

Name	Type
amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function withdrawEther(uint256 amount) public onlyOwner {
  msg.sender.transfer(amount);
}

withdrawMytoken

Parameters

Name	Type
amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

the sender's address must not be equal to 0x0

amount must be less than or equal to balanceOf for the address for this contract

balanceOf for the sender's address + amount must be greater than balanceOf for the sender's address

frozenAccount for the address for this contract must not be true

frozenAccount for the sender's address must not be true

Source Code

function withdrawMytoken(uint256 amount) public onlyOwner {
  _transfer(this, msg.sender, amount);
}

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 MyToken._transfer

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility internal

Mutability transaction

Requirements

the sender's address must not be equal to 0x0

amount must be less than or equal to balanceOf for the address for this contract

balanceOf for the sender's address + amount must be greater than balanceOf for the sender's address

frozenAccount for the address for this contract must not be true

frozenAccount for the sender's address must not be true

Source Code

function _transfer(
  address _from,
  address _to,
  uint256 _value
) internal {
  require(_to != 0x0);
  require(balanceOf[_from] >= _value);
  require(balanceOf[_to] + _value > balanceOf[_to]);
  require(!frozenAccount[_from]);
  require(!frozenAccount[_to]);
  balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value);
  balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value);
  Transfer(_from, _to, _value);
}

internal TokenERC20._transfer

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility internal

Mutability transaction

Requirements

_to must not be equal to 0x0

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

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function _transfer(
  address _from,
  address _to,
  uint256 _value
) internal {
  require(_to != 0x0);
  require(balanceOf[_from] >= _value);
  require(balanceOf[_to] + _value > balanceOf[_to]);
  uint256 previousBalances = SafeMath.safeAdd(balanceOf[_from], balanceOf[_to]);
  balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value);
  balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value);
  Transfer(_from, _to, _value);
  assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}

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;
}

Proton Token

ERC20

About

Stats

Events (4) keyboard_arrow_up

Burn Event

Parameters help Event parameters list the data that an event contains.

FrozenFunds 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.

State Variables (9) keyboard_arrow_up

owner Variable

name Variable

symbol Variable

decimals Variable

totalSupply Variable

frozenAccount Variable

freezeOf Variable

balanceOf 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

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

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

approveAndCall 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

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

burnFrom 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

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

freezeAccount 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

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

withdrawEther 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

withdrawMytoken keyboard_arrow_up

Events (4)

Parameters

Parameters

Parameters

Parameters

State Variables (9)

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

approveAndCall

Parameters

transferOwnership

Parameters

Modifiers

Requirements

burnFrom

Parameters

Modifiers

Requirements

burn

Parameters

Modifiers

Requirements

freezeAccount

Parameters

Modifiers

constructor

Parameters

withdrawEther

Parameters

Modifiers

withdrawMytoken

Parameters

Modifiers

Requirements

internal MyToken._transfer

Parameters

Requirements

internal TokenERC20._transfer

Parameters

Requirements

internal SafeMath.safeMul

Parameters

Requirements

internal SafeMath.safeDiv

Parameters

Requirements

internal SafeMath.safeSub

Parameters

Requirements

internal SafeMath.safeAdd

Parameters

Requirements