UltrainGas
ERC20
This contract is an ERC20 token.
Name
UltrainGas
Symbol
UGAS
Decimals
18
Total Supply
1,000,000,000 UGAS
About link
UGAS (UGAS) is a cryptocurrency and operates on the Ethereum platform. UGAS has a current supply of 1,000,000,000 with 171,719,420.168 in circulation. The last known price of UGAS is 0.01605533 USD and is up 10.78 over the last 24 hours. It is currently trading on 11 active market(s) with $95,410.75 traded over the last 24 hours. More information can be found at https://ultrain.io.
Stats
Public Functions
15
Event Types
5
Code Size
10,442 bytes
Events (5) keyboard_arrow_up
State Variables (11) 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));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
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
Source Code
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
emit 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
);
emit 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);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
constructor keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
Source Code
function transfer(address _to, uint256 _value) public whenOpen returns (bool) {
return super.transfer(_to, _value);
}
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(
address _from,
address _to,
uint256 _value
) public whenOpen returns (bool) {
return super.transferFrom(_from, _to, _value);
}
register keyboard_arrow_up
Requirements help
Source Code
function register(string key) whenOpen {
assert(bytes(key).length <= 64);
keys[msg.sender] = key;
}
close keyboard_arrow_up
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.