Blockwell

Hydro Protocol Token

ERC20

This contract is an ERC20 token.

Name Hydro Protocol Token
Symbol HOT
Decimals 18
Total Supply 1,560,000,000 HOT

About link description

Hydro Protocol (HOT) is a cryptocurrency and operates on the Ethereum platform. Hydro Protocol has a current supply of 1,560,000,000 with 702,000,000 in circulation. The last known price of Hydro Protocol is 0.00977262 USD and is down -6.52 over the last 24 hours. It is currently trading on 5 active market(s) with $483,294.81 traded over the last 24 hours. More information can be found at https://hydroprotocol.io/.

Stats

Public Functions 7
Event Types 2
Code Size 7,764 bytes

Events (2) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

name Constant

string help
Hydro Protocol Token

symbol Constant

string help
HOT

decimals Constant

uint8 help
18

totalSupply Variable

uint help

totalSupply Variable

uint256 help

allowed Variable

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

balances Variable

mapping(address => uint256) help
Internal Variable

Functions Expand All Collapse All

Parameters help

Name Type
_owner
address help

Properties

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

Parameters help

Name Type
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function transfer(address _to, uint256 _value) public returns (bool) {
  require(_to != address(0));
  require(_value <= balances[msg.sender]);

  // SafeMath.sub will throw if there is not enough balance.
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _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 allowed[_owner][_spender];
}

Parameters help

Name Type
_from
address help
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool) {
  require(_to != address(0));
  require(_value <= balances[_from]);
  require(_value <= allowed[_from][msg.sender]);

  balances[_from] = balances[_from].sub(_value);
  balances[_to] = balances[_to].add(_value);
  allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
  Transfer(_from, _to, _value);
  return true;
}

Parameters help

Name Type
_spender
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction
Source Code
function approve(address _spender, uint256 _value) public returns (bool) {
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

Parameters help

Name Type
_spender
address help
_addedValue
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function increaseApproval(address _spender, uint256 _addedValue)
  public
  returns (bool)
{
  allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(
    _addedValue
  );
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

Parameters help

Name Type
_spender
address help
_subtractedValue
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  returns (bool)
{
  uint256 oldValue = allowed[msg.sender][_spender];
  if (_subtractedValue > oldValue) {
    allowed[msg.sender][_spender] = 0;
  } else {
    allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
  }
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  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.