ERC20
This contract is an ERC20 token.
Name
Cashaa
Symbol
CAS
Decimals
18
Total Supply
1,000,000,000 CAS
About
Stats
Public Functions
17
Event Types
6
Code Size
15,316 bytes
Events (6) keyboard_arrow_up
State Variables (11) keyboard_arrow_up
Functions
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Source Code
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
// 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;
}
allowance keyboard_arrow_up
transferFrom keyboard_arrow_up
Source Code
function transferFrom(
address _from,
address _to,
uint256 _value
) public returns (bool) {
require(_to != address(0));
uint256 _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// require (_value <= _allowance);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
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;
Approval(msg.sender, _spender, _value);
return true;
}
increaseApproval keyboard_arrow_up
Source Code
function increaseApproval(address _spender, uint256 _addedValue)
returns (bool success)
{
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)
returns (bool success)
{
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;
}
isToken keyboard_arrow_up
upgrade keyboard_arrow_up
Source Code
function upgrade(uint256 value) public {
UpgradeState state = getUpgradeState();
if (
!(state == UpgradeState.ReadyToUpgrade || state == UpgradeState.Upgrading)
) {
// Called in a bad state
throw;
}
// Validate input value.
if (value == 0) throw;
balances[msg.sender] = balances[msg.sender].sub(value);
// Take tokens out from circulation
totalSupply = totalSupply.sub(value);
totalUpgraded = totalUpgraded.add(value);
// Upgrade agent reissues the tokens
upgradeAgent.upgradeFrom(msg.sender, value);
Upgrade(msg.sender, upgradeAgent, value);
}
setUpgradeAgent keyboard_arrow_up
Requirements help
Source Code
function setUpgradeAgent(address agent) external {
if (!canUpgrade()) {
// The token is not yet in a state that we could think upgrading
throw;
}
if (agent == 0x0) throw;
// Only a master can designate the next agent
if (msg.sender != upgradeMaster) throw;
// Upgrade has already begun for an agent
if (getUpgradeState() == UpgradeState.Upgrading) throw;
upgradeAgent = UpgradeAgent(agent);
// Bad interface
if (!upgradeAgent.isUpgradeAgent()) throw;
// Make sure that token supplies match in source and target
if (upgradeAgent.originalSupply() != totalSupply) throw;
UpgradeAgentSet(upgradeAgent);
}
getUpgradeState keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function getUpgradeState() public constant returns (UpgradeState) {
if (!canUpgrade()) return UpgradeState.NotAllowed;
else if (address(upgradeAgent) == 0x00) return UpgradeState.WaitingForAgent;
else if (totalUpgraded == 0) return UpgradeState.ReadyToUpgrade;
else return UpgradeState.Upgrading;
}
setUpgradeMaster keyboard_arrow_up
Requirements help
Source Code
function setUpgradeMaster(address master) public {
if (master == 0x0) throw;
if (msg.sender != upgradeMaster) throw;
upgradeMaster = master;
}
canUpgrade keyboard_arrow_up
burn keyboard_arrow_up
Source Code
function burn(uint256 burnAmount) {
address burner = msg.sender;
balances[burner] = balances[burner].sub(burnAmount);
totalSupply = totalSupply.sub(burnAmount);
Burned(burner, burnAmount);
// Inform the blockchain explores that track the
// balances only by a transfer event that the balance in this
// address has decreased
Transfer(burner, BURN_ADDRESS, burnAmount);
}
setTokenInformation keyboard_arrow_up
Requirements help
Source Code
function setTokenInformation(string _name, string _symbol) {
if (msg.sender != upgradeMaster) {
throw;
}
if (bytes(name).length > 0 || bytes(symbol).length > 0) {
// Information already set
// Allow owner to set this information only once
throw;
}
name = _name;
symbol = _symbol;
UpdatedTokenInformation(name, symbol);
}
transfer keyboard_arrow_up
Source Code
function transfer(address _to, uint256 _value) returns (bool success) {
if (now > releaseFinalizationDate) {
if (!released) {
throw;
}
}
return super.transfer(_to, _value);
}
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.