Nectar

0x9e46a38f5daabe8683e10793b06749eef7d733d1 Copy

ERC20

This contract is an ERC20 token.

Name Nectar

Symbol NCT

Decimals 18

Total Supply 1,885,913,076 NCT

About

PolySwarm (NCT) is a cryptocurrency and operates on the Ethereum platform. PolySwarm has a current supply of 1,885,913,075.8515422 with 1,546,457,129.5096478 in circulation. The last known price of PolySwarm is 0.00389527 USD and is down -9.95 over the last 24 hours. It is currently trading on 7 active market(s) with $38,120.70 traded over the last 24 hours. More information can be found at https://polyswarm.io/.

Stats

Public Functions 13

Event Types 6

Code Size 10,389 bytes

Events (6)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Mint Event

Parameters

to	address
amount	uint256

MintFinished Event

Parameters

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

TransfersEnabled Event

Parameters

State Variables (9)

name Variable

string

symbol Variable

string

decimals Variable

uint8

transfersEnabled Variable

bool

mintingFinished Variable

bool

owner Variable

address

allowed Variable

mapping(address => mapping(address => uint256))

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

totalSupply_ Variable

uint256

Internal Variable

Functions Expand All Collapse All

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;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return totalSupply_;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _owner) public view returns (uint256 balance) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
to	address
value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenTransfersEnabled checks for the following:

transfersEnabled must be true

Requirements

_to must not be equal to UNKNOWN VALUE

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

Source Code

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

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  return allowed[_owner][_spender];
}

transferFrom

Parameters

Name	Type
from	address
to	address
value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenTransfersEnabled checks for the following:

transfersEnabled must be true

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for _from

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

Source Code

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

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

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

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability 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;
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability 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;
}

mint

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Source Code

function mint(address _to, uint256 _amount)
  public
  onlyOwner
  canMint
  returns (bool)
{
  totalSupply_ = totalSupply_.add(_amount);
  balances[_to] = balances[_to].add(_amount);
  Mint(_to, _amount);
  Transfer(address(0), _to, _amount);
  return true;
}

finishMinting

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Source Code

function finishMinting() public onlyOwner canMint returns (bool) {
  mintingFinished = true;
  MintFinished();
  return true;
}

enableTransfers

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

whenTransfersNotEnabled checks for the following:

transfersEnabled must not be true

Source Code

function enableTransfers() public onlyOwner whenTransfersNotEnabled {
  transfersEnabled = true;
  TransfersEnabled();
}

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) {
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);

  // call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
  // receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
  // it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.

  // solium-disable-next-line security/no-low-level-calls
  require(
    _spender.call(
      bytes4(
        bytes32(keccak256("receiveApproval(address,uint256,address,bytes)"))
      ),
      msg.sender,
      _value,
      this,
      _extraData
    )
  );
  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.

Nectar

ERC20

About link description

Stats

Events (6) keyboard_arrow_up

Approval Event

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

Mint Event

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

MintFinished 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.

TransfersEnabled Event

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

State Variables (9) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

transfersEnabled Variable

mintingFinished Variable

owner Variable

allowed Variable

balances Variable

totalSupply_ Variable

Functions Expand All Collapse All

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

totalSupply 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

balanceOf 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

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

whenTransfersEnabled 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

allowance 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

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

whenTransfersEnabled 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

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

increaseApproval 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

decreaseApproval 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

mint 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:

canMint checks for the following:

Source Code

About

Events (6)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (9)

transferOwnership

Parameters

Modifiers

Requirements

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

allowance

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters

mint

Parameters

Modifiers

finishMinting

Parameters

Modifiers

enableTransfers

Parameters

Modifiers

approveAndCall

Parameters