ERC20
This contract is an ERC20 token.
Name
Nectar
Symbol
NCT
Decimals
18
Total Supply
1,885,913,076 NCT
About link description
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) keyboard_arrow_up
State Variables (9) keyboard_arrow_up
Functions
transferOwnership keyboard_arrow_up
Modifiers help
onlyOwner checks for the following:
Source Code
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Modifiers help
whenTransfersEnabled checks for the following:
transfersEnabled must be true
Requirements help
Source Code
function transfer(address to, uint256 value)
public
whenTransfersEnabled
returns (bool)
{
return super.transfer(to, value);
}
allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
Modifiers help
whenTransfersEnabled checks for the following:
transfersEnabled must be true
Requirements help
Source Code
function transferFrom(
address from,
address to,
uint256 value
) public whenTransfersEnabled returns (bool) {
return super.transferFrom(from, to, value);
}
approve keyboard_arrow_up
Source Code
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
increaseApproval keyboard_arrow_up
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 keyboard_arrow_up
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 keyboard_arrow_up
Modifiers help
onlyOwner checks for the following:
canMint checks for the following:
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 keyboard_arrow_up
enableTransfers keyboard_arrow_up
approveAndCall keyboard_arrow_up
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
Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.