ERC20
This contract is an ERC20 token.
Name
CNN Token
Symbol
CNN
Decimals
18
Total Supply
100,000,000,000 CNN
About
link
Content Neutrality Network (CNN) is a cryptocurrency token and operates on the Ethereum platform. Content Neutrality Network has a current supply of 100,000,000,000 with 39,035,223,816 in circulation. The last known price of Content Neutrality Network is $0.000055 USD and is up 2.36% over the last 24 hours. It is currently trading on 12 active market(s) with $115,128.221 traded over the last 24 hours. More information can be found at https://cnntoken.io/.
Stats
Public Functions
10
Event Types
3
Code Size
8,520 bytes
Events (3) keyboard_arrow_up
Functions
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address _to, uint256 _value) public returns(bool) {
return _transfer(msg.sender, _to, _value);
}
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(address _from, address _to, uint256 _value) public returns(bool) {
require(_value <= allowances[_from][msg.sender]); // Check allowance
allowances[_from][msg.sender] -= _value;
return _transfer(_from, _to, _value);
}
approve keyboard_arrow_up
Source Code
function approve(address _spender, uint256 _value) public returns(bool) {
allowances[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
allowance keyboard_arrow_up
approveAndCall keyboard_arrow_up
Source Code
function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns(bool) {
if (approve(_spender, _value)) {
TokenRecipient spender = TokenRecipient(_spender);
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
return false;
}
burn keyboard_arrow_up
Requirements help
Source Code
function burn(uint256 _value) public returns(bool) {
require(balances[msg.sender] >= _value); // Check if the sender has enough
balances[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
Burn(msg.sender, _value);
return true;
}
burnFrom keyboard_arrow_up
Requirements help
Source Code
function burnFrom(address _from, uint256 _value) public returns(bool) {
require(balances[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowances[_from][msg.sender]); // Check allowance
balances[_from] -= _value; // Subtract from the targeted balance
allowances[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
Burn(_from, _value);
return true;
}
increaseApproval keyboard_arrow_up
Requirements help
allowances for the sender's address for _spender + _addedValue
must be greater than
allowances for the sender's address for _spender
Source Code
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
// Check for overflows
require(allowances[msg.sender][_spender] + _addedValue > allowances[msg.sender][_spender]);
allowances[msg.sender][_spender] += _addedValue;
Approval(msg.sender, _spender, allowances[msg.sender][_spender]);
return true;
}
decreaseApproval keyboard_arrow_up
Source Code
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowances[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowances[msg.sender][_spender] = 0;
} else {
allowances[msg.sender][_spender] = oldValue - _subtractedValue;
}
Approval(msg.sender, _spender, allowances[msg.sender][_spender]);
return true;
}