Aurora DAO

0xcdcfc0f66c522fd086a1b725ea3c0eeb9f9e8814 Copy

ERC20

This contract is an ERC20 token.

Name Aurora DAO

Symbol AURA

Decimals 18

Total Supply 1,000,000,000 AURA

About

Stats

Public Functions 11

Event Types 1

Code Size 4,895 bytes

Events (1)

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (9)

locked Variable

bool

name Variable

string

symbol Variable

string

decimals Variable

uint8

totalSupply Variable

uint256

balancesUploaded Variable

bool

owner Variable

address

balanceOf Variable

mapping(address => uint256)

allowance Variable

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

Internal Variable

Functions Expand All Collapse All

setOwner

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability transaction

Source Code

function setOwner(address _owner) returns (bool success) {
  owner = _owner;
  return true;
}

safeMul

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility public

Mutability transaction

Requirements

One or more of the following: - b must be equal to c / a - OR a must be equal to 0

Source Code

function safeMul(uint256 a, uint256 b) returns (uint256) {
  uint256 c = a * b;
  require(a == 0 || c / a == b);
  return c;
}

safeSub

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility public

Mutability transaction

Requirements

b must be less than or equal to a

Source Code

function safeSub(uint256 a, uint256 b) returns (uint256) {
  require(b <= a);
  return a - b;
}

safeAdd

Parameters

Name	Type
a	uint256
b	uint256

Properties

Visibility public

Mutability transaction

Requirements

c must be greater than or equal to b

c must be greater than or equal to a

Source Code

function safeAdd(uint256 a, uint256 b) returns (uint256) {
  uint256 c = a + b;
  require(c >= a && c >= b);
  return c;
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

One or more of the following: - owner must be equal to the sender's address - ORlocked must not be true

_to must not be equal to 0x0

_value must be less than or equal to balanceOf for the sender's address

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function transfer(address _to, uint256 _value) public returns (bool success) {
  _transfer(msg.sender, _to, _value);
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_value must be less than or equal to allowance for _from for the sender's address

One or more of the following: - owner must be equal to the sender's address - ORlocked must not be true

_to must not be equal to 0x0

_value must be less than or equal to balanceOf for the sender's address

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool success) {
  require(_value <= allowance[_from][msg.sender]); // Check allowance
  allowance[_from][msg.sender] -= _value;
  _transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

locked must not be true

Source Code

function approve(address _spender, uint256 _value)
  public
  returns (bool success)
{
  require(!locked);
  allowance[msg.sender][_spender] = _value;
  return true;
}

approveAndCall

Parameters

Name	Type
_spender	address
_value	uint256
_extraData	bytes

Properties

Visibility public

Mutability transaction

Source Code

function approveAndCall(
  address _spender,
  uint256 _value,
  bytes _extraData
) public returns (bool success) {
  tokenRecipient spender = tokenRecipient(_spender);
  if (approve(_spender, _value)) {
    spender.receiveApproval(msg.sender, _value, this, _extraData);
    return true;
  }
}

unlockToken

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 unlockToken() onlyOwner {
  locked = false;
}

uploadBalances

Parameters

Name	Type
recipients	address[]
balances	uint256[]

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

balancesUploaded must not be true

Source Code

function uploadBalances(address[] recipients, uint256[] balances) onlyOwner {
  require(!balancesUploaded);
  uint256 sum = 0;
  for (uint256 i = 0; i < recipients.length; i++) {
    balanceOf[recipients[i]] = safeAdd(balanceOf[recipients[i]], balances[i]);
    sum = safeAdd(sum, balances[i]);
  }
  balanceOf[owner] = safeSub(balanceOf[owner], sum);
}

lockBalances

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 lockBalances() onlyOwner {
  balancesUploaded = 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.

internal AURA._transfer

Parameters

Name	Type
_from	address
_to	address
_value	uint

Properties

Visibility internal

Mutability transaction

Requirements

One or more of the following: - owner must be equal to the sender's address - ORlocked must not be true

_to must not be equal to 0x0

_value must be less than or equal to balanceOf for the sender's address

balanceOf for _to + _value must be greater than balanceOf for _to

previousBalances must be equal to balanceOf for the sender's address + balanceOf for _to

Source Code

function _transfer(
  address _from,
  address _to,
  uint256 _value
) internal {
  require(!locked || msg.sender == owner);
  require(_to != 0x0);
  require(balanceOf[_from] >= _value);
  require(balanceOf[_to] + _value > balanceOf[_to]);
  uint256 previousBalances = balanceOf[_from] + balanceOf[_to];
  balanceOf[_from] -= _value;
  balanceOf[_to] += _value;
  Transfer(_from, _to, _value);
  require(balanceOf[_from] + balanceOf[_to] == previousBalances);
}

Aurora DAO

ERC20

About

Stats

Events (1) keyboard_arrow_up

Transfer Event

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

State Variables (9) keyboard_arrow_up

locked Variable

name Variable

symbol Variable

decimals Variable

totalSupply Variable

balancesUploaded Variable

owner Variable

balanceOf Variable

allowance Variable

Functions Expand All Collapse All

setOwner 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

safeMul 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

safeSub 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

safeAdd 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

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

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

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

approveAndCall 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

unlockToken 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

uploadBalances 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:

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

lockBalances 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

Internal Functions Expand All Collapse All

internal AURA._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.

Events (1)

Parameters

State Variables (9)

setOwner

Parameters

safeMul

Parameters

Requirements

safeSub

Parameters

Requirements

safeAdd

Parameters

Requirements

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

Requirements

approveAndCall

Parameters

unlockToken

Parameters

Modifiers

uploadBalances

Parameters

Modifiers

Requirements

lockBalances

Parameters

Modifiers

internal AURA._transfer

Parameters

Requirements