Blockwell

IvyKoin Public Network Tokens

ERC20

This contract is an ERC20 token.

Name IvyKoin Public Network Tokens
Symbol IVY
Decimals 18
Total Supply 1,610,924,200 IVY

About link description

Ivy (IVY) is a cryptocurrency token and operates on the Ethereum platform. Ivy has a current supply of 1,610,924,200 with 915,021,071.953 in circulation. The last known price of Ivy is $0.003188 USD and is up 0% over the last 24 hours. It is currently trading on 2 active market(s) with $0 traded over the last 24 hours. More information can be found at https://www.ivykoin.com/.

Stats

Public Functions 7
Event Types 2
Code Size 8,443 bytes

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

Functions Expand All Collapse All

balanceOf keyboard_arrow_up

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];
  }

transfer keyboard_arrow_up

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(msg.sender != _to);

        return super.transfer(_to, _value);
    }

allowance keyboard_arrow_up

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];
  }

transferFrom keyboard_arrow_up

Parameters help

Name Type
_from
address help
_to
address help
_value
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

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);

    emit Transfer(_from, _to, _value);
    return true;
  }

approve keyboard_arrow_up

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) {
        require(msg.sender != _spender);

        return super.approve(_spender, _value);
    }

increaseApproval keyboard_arrow_up

Parameters help

Name Type
_spender
address help
_addedValue
uint help

Properties

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

    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

decreaseApproval keyboard_arrow_up

Parameters help

Name Type
_spender
address help
_subtractedValue
uint help

Properties

Visibility help public
Mutability help transaction
Source Code
  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
    uint oldValue = allowed[msg.sender][_spender];

    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }

    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }