Yee - A Blockchain-powered & Cloud-based Social Ecosystem
ERC20
This contract is an ERC20 token.
Name
Yee - A Blockchain-powered & Cloud-based Social Ecosystem
Symbol
YEE
Decimals
18
Total Supply
10,000,000,000 YEE
About
link
description
YEE (YEE) is a cryptocurrency token and operates on the Ethereum platform. YEE has a current supply of 10,000,000,000 with 1,365,218,125 in circulation. The last known price of YEE is $0.002345 USD and is down -2.28% over the last 24 hours. It is currently trading on 9 active market(s) with $19,867,279.897 traded over the last 24 hours. More information can be found at https://www.yeefoundation.com/.
Stats
Public Functions
9
Event Types
2
Code Size
8,862 bytes
Events (2) 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 success) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
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);
Transfer(_from, _to, _value);
return true;
}
approve keyboard_arrow_up
Source Code
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
allowance keyboard_arrow_up
increaseApproval keyboard_arrow_up
Source Code
function increaseApproval(address _spender, uint _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, 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);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
constructor keyboard_arrow_up
approveAndCall keyboard_arrow_up
Requirements help
the result of calling undefined with UNKNOWN ARGUMENT, the sender's address, _value, this, _extraData must not be true
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.
if(!_spender.call(bytes4(bytes32(keccak256("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}