Cashaa

0xe8780b48bdb05f928697a5e8155f672ed91462f7 Copy

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)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burned Event

Parameters

burner	address
burnedAmount	uint

Transfer Event

Parameters

from	address
to	address
value	uint256

UpdatedTokenInformation Event

Parameters

newName	string
newSymbol	string

Upgrade Event

Parameters

_from	address
_to	address
_value	uint256

UpgradeAgentSet Event

Parameters

agent

address

Constants (1)

BURN_ADDRESS Constant

address

State Variables (11)

name Variable

string

symbol Variable

string

decimals Variable

uint

released Variable

bool

releaseFinalizationDate Variable

uint

totalSupply Variable

uint256

upgradeMaster Variable

address

upgradeAgent Variable

address

totalUpgraded Variable

uint256

allowed Variable

mapping(address => mapping(address => uint256))

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

Functions Expand All Collapse All

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

function balanceOf(address _owner) public constant returns (uint256 balance) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

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

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _owner, address _spender)
  public
  constant
  returns (uint256 remaining)
{
  return allowed[_owner][_spender];
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

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

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) public returns (bool) {
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

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

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

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

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function isToken() public constant returns (bool weAre) {
  return true;
}

upgrade

Parameters

Name	Type
value	uint256

Properties

Visibility public

Mutability transaction

Requirements

UNKNOWN VALUE must not be true

value must not be equal to 0

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

Parameters

Name	Type
agent	address

Properties

Visibility public

Mutability transaction

Requirements

the result of calling canUpgrade must not be true

agent must not be equal to 0x0

upgradeMaster must be equal to the sender's address

the result of calling getUpgradeState must not be equal to UpgradeState.Upgrading

the result of calling undefined must not be true

totalSupply must be equal to UNKNOWN VALUE

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

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

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

Parameters

Name	Type
master	address

Properties

Visibility public

Mutability transaction

Requirements

master must not be equal to 0x0

upgradeMaster must be equal to the sender's address

Source Code

function setUpgradeMaster(address master) public {
  if (master == 0x0) throw;
  if (msg.sender != upgradeMaster) throw;
  upgradeMaster = master;
}

canUpgrade

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function canUpgrade() public constant returns (bool) {
  return true;
}

burn

Parameters

Name	Type
burnAmount	uint

Properties

Visibility public

Mutability transaction

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

Parameters

Name	Type
_name	string
_symbol	string

Properties

Visibility public

Mutability transaction

Requirements

upgradeMaster must be equal to the sender's address

the number of values in undefined must be less than or equal to 0

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

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value) returns (bool success) {
  if (now > releaseFinalizationDate) {
    if (!released) {
      throw;
    }
  }

  return super.transfer(_to, _value);
}

releaseTokenTransfer

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

upgradeMaster must be equal to the sender's address

Source Code

function releaseTokenTransfer() {
  if (msg.sender != upgradeMaster) {
    throw;
  }

  released = true;
}

Internal Functions Expand All Collapse All

Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.

Cashaa

ERC20

About

Stats

Events (6) keyboard_arrow_up

Approval Event

Parameters help Event parameters list the data that an event contains.

Burned Event

Parameters help Event parameters list the data that an event contains.

Transfer Event

Parameters help Event parameters list the data that an event contains.

UpdatedTokenInformation Event

Parameters help Event parameters list the data that an event contains.

Upgrade Event

Parameters help Event parameters list the data that an event contains.

UpgradeAgentSet Event

Parameters help Event parameters list the data that an event contains.

Constants (1) keyboard_arrow_up

BURN_ADDRESS Constant

State Variables (11) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

released Variable

releaseFinalizationDate Variable

totalSupply Variable

upgradeMaster Variable

upgradeAgent Variable

totalUpgraded Variable

allowed Variable

balances Variable

Functions Expand All Collapse All

balanceOf keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

transfer keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

allowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

transferFrom keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

approve keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

increaseApproval keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

decreaseApproval keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

isToken keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

upgrade keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

setUpgradeAgent keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

getUpgradeState keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

Events (6)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (1)

State Variables (11)

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters

isToken

Parameters

upgrade

Parameters

Requirements

setUpgradeAgent

Parameters

Requirements

getUpgradeState

Parameters

setUpgradeMaster

Parameters

Requirements

canUpgrade

Parameters

burn

Parameters

setTokenInformation

Parameters

Requirements

transfer

Parameters

Requirements

releaseTokenTransfer

Parameters

Requirements