Change COIN

0x7d4b8cce0591c9044a22ee543533b72e976e36c3 Copy

ERC20

This contract is an ERC20 token.

Name Change COIN

Symbol CAG

Decimals 18

Total Supply 79,184,116 CAG

About

Stats

Public Functions 11

Event Types 3

Code Size 10,970 bytes

Events (3)

Approval Event

Parameters

owner	address
spender	address
value	uint256

MintFinished Event

Parameters

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (9)

name Variable

string

symbol Variable

string

decimals Variable

uint256

tradingStarted Variable

bool

mintingFinished Variable

bool

totalSupply Variable

uint256

owner Variable

address

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function transferOwnership(address newOwner) onlyOwner {
  if (newOwner != address(0)) {
    owner = newOwner;
  }
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address _to, uint256 _value) returns (bool) {
  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)
  constant
  returns (uint256 remaining)
{
  return allowed[_owner][_spender];
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool) {
  var _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[_to] = balances[_to].add(_value);
  balances[_from] = balances[_from].sub(_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

Requirements

One or more of the following:

Source Code

function approve(address _spender, uint256 _value) returns (bool) {
  // To change the approve amount you first have to reduce the addresses`
  //  allowance to zero by calling `approve(_spender, 0)` if it is not
  //  already 0 to mitigate the race condition described here:
  //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
  require((_value == 0) || (allowed[msg.sender][_spender] == 0));

  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

mint

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Source Code

function mint(address _to, uint256 _amount) onlyOwner canMint returns (bool) {
  totalSupply = totalSupply.add(_amount);
  balances[_to] = balances[_to].add(_amount);
  Transfer(0X0, _to, _amount);
  return true;
}

finishMinting

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function finishMinting() onlyOwner returns (bool) {
  mintingFinished = true;
  MintFinished();
  return true;
}

startTrading

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function startTrading() onlyOwner {
  tradingStarted = true;
}

transfer

Parameters

Name	Type
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

hasStartedTrading checks for the following:

tradingStarted must be true

Source Code

function transfer(address _to, uint256 _value)
  hasStartedTrading
  returns (bool)
{
  return super.transfer(_to, _value);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility public

Mutability transaction

Modifiers

hasStartedTrading checks for the following:

tradingStarted must be true

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) hasStartedTrading returns (bool) {
  return super.transferFrom(_from, _to, _value);
}

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.

Change COIN

ERC20

About

Stats

Events (3) keyboard_arrow_up

Approval Event

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

MintFinished 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.

State Variables (9) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

tradingStarted Variable

mintingFinished Variable

totalSupply Variable

owner Variable

allowed Variable

balances Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

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

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

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

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

mint keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

canMint checks for the following:

Source Code

finishMinting keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

startTrading keyboard_arrow_up

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

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

hasStartedTrading checks for the following:

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

hasStartedTrading checks for the following:

Source Code

Events (3)

Parameters

Parameters

Parameters

State Variables (9)

transferOwnership

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

allowance

Parameters

transferFrom

Parameters

approve

Parameters

Requirements

mint

Parameters

Modifiers

finishMinting

Parameters

Modifiers

startTrading

Parameters

Modifiers

transfer

Parameters

Modifiers

transferFrom

Parameters

Modifiers