ERC20
This contract is an ERC20 token.
Name
IOSToken
Symbol
IOST
Decimals
18
Total Supply
21,000,000,000 IOST
About
Stats
Public Functions
6
Event Types
2
Code Size
5,373 bytes
Functions
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Source Code
function transfer(address _to, uint256 _value) returns (bool) {
//Default assumes totalSupply can't be over max (2^256 - 1).
if (
balances[msg.sender] >= _value && balances[_to] + _value >= balances[_to]
) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else {
return false;
}
}
transferFrom keyboard_arrow_up
Source Code
function transferFrom(
address _from,
address _to,
uint256 _value
) public returns (bool) {
uint256 allowance = allowed[_from][msg.sender];
if (
balances[_from] >= _value &&
allowance >= _value &&
balances[_to] + _value >= balances[_to]
) {
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT) {
allowed[_from][msg.sender] -= _value;
}
Transfer(_from, _to, _value);
return true;
} else {
return false;
}
}
approve keyboard_arrow_up
Source Code
function approve(address _spender, uint256 _value) returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
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.
