RING

0x9469d013805bffb7d3debe5e7839237e535ec483 Copy

ERC20

This contract is an ERC20 token.

Name RING

Symbol

Decimals 18

Total Supply 989,153,247

About

Darwinia Network (RING) is a cryptocurrency and operates on the Ethereum platform. Darwinia Network has a current supply of 2,058,420,923.6562107 with 451,602,953.8689697 in circulation. The last known price of Darwinia Network is 0.03662799 USD and is down -0.32 over the last 24 hours. It is currently trading on 26 active market(s) with $9,597,741.88 traded over the last 24 hours. More information can be found at https://darwinia.network/.

Stats

Public Functions 34

Event Types 9

Code Size 20,053 bytes

Events (9)

Approval Event

Parameters

src	address
guy	address
wad	uint

Burn Event

Parameters

guy	address
wad	uint

ClaimedTokens Event

Parameters

_token	address
_controller	address
_amount	uint

ERC223Transfer Event

Parameters

from	address
to	address
amount	uint
data	bytes

LogNote Event

Parameters

sig	bytes4
guy	address
foo	bytes32
bar	bytes32
wad	uint
fax	bytes

LogSetAuthority Event

Parameters

authority

address

LogSetOwner Event

Parameters

owner

address

Mint Event

Parameters

guy	address
wad	uint

Transfer Event

Parameters

src	address
dst	address
wad	uint

Constants (2)

WAD Constant

uint

UNKNOWN VALUE

RAY Constant

uint

UNKNOWN VALUE

State Variables (13)

newOwner Variable

address

transfersEnabled Variable

bool

cap Variable

uint256

controller Variable

address

symbol Variable

bytes32

decimals Variable

uint256

name Variable

bytes32

stopped Variable

bool

authority Variable

address

owner Variable

address

_supply Variable

uint256

Internal Variable

_balances Variable

mapping(address => uint256)

Internal Variable

_approvals Variable

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

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Requirements

_newOwner must not be equal to owner

Source Code

function transferOwnership(address _newOwner) public auth {
  require(_newOwner != owner);
  newOwner = _newOwner;
}

acceptOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

newOwner must be equal to the sender's address

Source Code

function acceptOwnership() public {
  require(msg.sender == newOwner);
  owner = newOwner;
  newOwner = address(0);
}

disableTransfers

Parameters

Name	Type
_disable	bool

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function disableTransfers(bool _disable) public auth {
  transfersEnabled = !_disable;
}

issue

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

stoppable checks for the following:

stopped must not be true

Requirements

cap must be greater than or equal to the result of calling add with _supply, _amount

Source Code

function issue(address _to, uint256 _amount) public auth stoppable {
  mint(_to, _amount);
}

destroy

Parameters

Name	Type
_from	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

stoppable checks for the following:

stopped must not be true

Source Code

function destroy(address _from, uint256 _amount) public auth stoppable {
  // do not require allowance

  _balances[_from] = sub(_balances[_from], _amount);
  _supply = sub(_supply, _amount);
  emit Burn(_from, _amount);
  emit Transfer(_from, 0, _amount);
}

setOwner

Parameters

Name	Type
owner_	address

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function setOwner(address owner_) public auth {
  owner = owner_;
  emit LogSetOwner(owner);
}

setAuthority

Parameters

Name	Type
authority_	DSAuthority

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function setAuthority(DSAuthority authority_) public auth {
  authority = authority_;
  emit LogSetAuthority(authority);
}

stop

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

note checks for the following:

Source Code

function stop() public auth note {
  stopped = true;
}

start

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

note checks for the following:

Source Code

function start() public auth note {
  stopped = false;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return _supply;
}

balanceOf

Parameters

Name	Type
src	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address src) public view returns (uint256) {
  return _balances[src];
}

allowance

Parameters

Name	Type
src	address
guy	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address src, address guy) public view returns (uint256) {
  return _approvals[src][guy];
}

approve

Parameters

Name	Type
guy	address
wad	uint

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Source Code

function approve(address guy, uint256 wad) public stoppable returns (bool) {
  return super.approve(guy, wad);
}

transfer

Parameters

Name	Type
dst	address
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function transfer(address dst, uint256 wad) public returns (bool) {
  return transferFrom(msg.sender, dst, wad);
}

transferFrom

Parameters

Name	Type
src	address
dst	address
wad	uint

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Source Code

function transferFrom(
  address src,
  address dst,
  uint256 wad
) public stoppable returns (bool) {
  if (src != msg.sender && _approvals[src][msg.sender] != uint256(-1)) {
    _approvals[src][msg.sender] = sub(_approvals[src][msg.sender], wad);
  }

  _balances[src] = sub(_balances[src], wad);
  _balances[dst] = add(_balances[dst], wad);

  emit Transfer(src, dst, wad);

  return true;
}

approve

Parameters

Name	Type
guy	address

Properties

Visibility public

Mutability transaction

Modifiers

stoppable checks for the following:

stopped must not be true

Source Code

function approve(address guy) public stoppable returns (bool) {
  return super.approve(guy, uint256(-1));
}

push

Parameters

Name	Type
dst	address
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function push(address dst, uint256 wad) public {
  transferFrom(msg.sender, dst, wad);
}

pull

Parameters

Name	Type
src	address
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function pull(address src, uint256 wad) public {
  transferFrom(src, msg.sender, wad);
}

move

Parameters

Name	Type
src	address
dst	address
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function move(
  address src,
  address dst,
  uint256 wad
) public {
  transferFrom(src, dst, wad);
}

mint

Parameters

Name	Type
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function mint(uint256 wad) public {
  mint(msg.sender, wad);
}

burn

Parameters

Name	Type
wad	uint

Properties

Visibility public

Mutability transaction

Source Code

function burn(uint256 wad) public {
  burn(msg.sender, wad);
}

mint

Parameters

Name	Type
_guy	address
_wad	uint

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

stoppable checks for the following:

stopped must not be true

Requirements

cap must be greater than or equal to the result of calling add with _supply, _amount

Source Code

function mint(address _guy, uint256 _wad) auth stoppable {
  require(add(_supply, _wad) <= cap);

  super.mint(_guy, _wad);

  emit Transfer(0, _guy, _wad);
}

burn

Parameters

Name	Type
_guy	address
_wad	uint

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

stoppable checks for the following:

stopped must not be true

Source Code

function burn(address _guy, uint256 _wad) auth stoppable {
  super.burn(_guy, _wad);

  emit Transfer(_guy, 0, _wad);
}

setName

Parameters

Name	Type
name_	bytes32

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function setName(bytes32 name_) public auth {
  name = name_;
}

changeCap

Parameters

Name	Type
_newCap	uint256

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Requirements

_newCap must be greater than or equal to _supply

Source Code

function changeCap(uint256 _newCap) public auth {
  require(_newCap >= _supply);

  cap = _newCap;
}

changeController

Parameters

Name	Type
_newController	address

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function changeController(address _newController) auth {
  controller = _newController;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

transfersAllowed checks for the following:

transfersEnabled must be true

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _amount
) public transfersAllowed returns (bool success) {
  // Alerts the token controller of the transfer
  if (isContract(controller)) {
    if (!TokenController(controller).onTransfer(_from, _to, _amount)) revert();
  }

  success = super.transferFrom(_from, _to, _amount);
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_amount	uint256
_data	bytes

Properties

Visibility public

Mutability transaction

Modifiers

transfersAllowed checks for the following:

transfersEnabled must be true

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _amount,
  bytes _data
) public transfersAllowed returns (bool success) {
  // Alerts the token controller of the transfer
  if (isContract(controller)) {
    if (!TokenController(controller).onTransfer(_from, _to, _amount)) revert();
  }

  require(super.transferFrom(_from, _to, _amount));

  if (isContract(_to)) {
    ERC223ReceivingContract receiver = ERC223ReceivingContract(_to);
    receiver.tokenFallback(_from, _amount, _data);
  }

  emit ERC223Transfer(_from, _to, _amount, _data);

  return true;
}

transfer

Parameters

Name	Type
_to	address
_amount	uint256
_data	bytes

Properties

Visibility public

Mutability transaction

Source Code

function transfer(
  address _to,
  uint256 _amount,
  bytes _data
) public returns (bool success) {
  return transferFrom(msg.sender, _to, _amount, _data);
}

approve

Parameters

Name	Type
_spender	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _amount) returns (bool success) {
  // Alerts the token controller of the approve function call
  if (isContract(controller)) {
    if (!TokenController(controller).onApprove(msg.sender, _spender, _amount))
      revert();
  }

  return super.approve(_spender, _amount);
}

approveAndCall

Parameters

Name	Type
_spender	address
_amount	uint256
_extraData	bytes

Properties

Visibility public

Mutability transaction

Source Code

function approveAndCall(
  address _spender,
  uint256 _amount,
  bytes _extraData
) returns (bool success) {
  if (!approve(_spender, _amount)) revert();

  ApproveAndCallFallBack(_spender).receiveApproval(
    msg.sender,
    _amount,
    this,
    _extraData
  );

  return true;
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() payable {
  if (isContract(controller)) {
    if (
      !TokenController(controller).proxyPayment.value(msg.value)(
        msg.sender,
        msg.sig,
        msg.data
      )
    ) revert();
  } else {
    revert();
  }
}

claimTokens

Parameters

Name	Type
_token	address

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function claimTokens(address _token) public auth {
  if (_token == 0x0) {
    address(msg.sender).transfer(address(this).balance);
    return;
  }

  ERC20 token = ERC20(_token);
  uint256 balance = token.balanceOf(this);
  token.transfer(address(msg.sender), balance);

  emit ClaimedTokens(_token, address(msg.sender), balance);
}

withdrawTokens

Parameters

Name	Type
_token	ERC20
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

auth checks for the following:

null

Source Code

function withdrawTokens(
  ERC20 _token,
  address _to,
  uint256 _amount
) public auth {
  assert(_token.transfer(_to, _amount));
}

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 RING.isContract

Parameters

Name	Type
_addr	address

Properties

Visibility internal

Mutability constant

Source Code

function isContract(address _addr) internal constant returns (bool) {
  uint256 size;
  if (_addr == 0) return false;
  assembly {
    size := extcodesize(_addr)
  }
  return size > 0;
}

internal DSMath.add

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Requirements

x must be less than or equal to UNKNOWN VALUE

Source Code

function add(uint256 x, uint256 y) internal pure returns (uint256 z) {
  require((z = x + y) >= x);
}

internal DSMath.sub

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Requirements

x must be greater than or equal to UNKNOWN VALUE

Source Code

function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {
  require((z = x - y) <= x);
}

internal DSMath.mul

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Requirements

One or more of the following: - x must be equal to UNKNOWN VALUE / y - OR y must be equal to 0

Source Code

function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {
  require(y == 0 || (z = x * y) / y == x);
}

internal DSMath.min

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function min(uint256 x, uint256 y) internal pure returns (uint256 z) {
  return x <= y ? x : y;
}

internal DSMath.max

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function max(uint256 x, uint256 y) internal pure returns (uint256 z) {
  return x >= y ? x : y;
}

internal DSMath.imin

Parameters

Name	Type
x	int
y	int

Properties

Visibility internal

Mutability pure

Source Code

function imin(int256 x, int256 y) internal pure returns (int256 z) {
  return x <= y ? x : y;
}

internal DSMath.imax

Parameters

Name	Type
x	int
y	int

Properties

Visibility internal

Mutability pure

Source Code

function imax(int256 x, int256 y) internal pure returns (int256 z) {
  return x >= y ? x : y;
}

internal DSMath.wmul

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function wmul(uint256 x, uint256 y) internal pure returns (uint256 z) {
  z = add(mul(x, y), WAD / 2) / WAD;
}

internal DSMath.rmul

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function rmul(uint256 x, uint256 y) internal pure returns (uint256 z) {
  z = add(mul(x, y), RAY / 2) / RAY;
}

internal DSMath.wdiv

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function wdiv(uint256 x, uint256 y) internal pure returns (uint256 z) {
  z = add(mul(x, WAD), y / 2) / y;
}

internal DSMath.rdiv

Parameters

Name	Type
x	uint
y	uint

Properties

Visibility internal

Mutability pure

Source Code

function rdiv(uint256 x, uint256 y) internal pure returns (uint256 z) {
  z = add(mul(x, RAY), y / 2) / y;
}

internal DSMath.rpow

Parameters

Name	Type
x	uint
n	uint

Properties

Visibility internal

Mutability pure

Source Code

function rpow(uint256 x, uint256 n) internal pure returns (uint256 z) {
  z = n % 2 != 0 ? x : RAY;

  for (n /= 2; n != 0; n /= 2) {
    x = rmul(x, x);

    if (n % 2 != 0) {
      z = rmul(z, x);
    }
  }
}

internal DSAuth.isAuthorized

Parameters

Name	Type
src	address
sig	bytes4

Properties

Visibility internal

Mutability view

Source Code

function isAuthorized(address src, bytes4 sig) internal view returns (bool) {
  if (src == address(this)) {
    return true;
  } else if (src == owner) {
    return true;
  } else if (authority == DSAuthority(0)) {
    return false;
  } else {
    return authority.canCall(src, this, sig);
  }
}

RING

ERC20

About link description

Stats

Events (9) keyboard_arrow_up

Approval Event

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

Burn Event

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

ClaimedTokens Event

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

ERC223Transfer Event

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

LogNote Event

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

LogSetAuthority Event

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

LogSetOwner Event

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

Mint 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.

Constants (2) keyboard_arrow_up

WAD Constant

RAY Constant

State Variables (13) keyboard_arrow_up

newOwner Variable

transfersEnabled Variable

cap Variable

controller Variable

symbol Variable

decimals Variable

name Variable

stopped Variable

authority Variable

owner Variable

_supply Variable

_balances Variable

_approvals 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.

auth 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

acceptOwnership 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

disableTransfers 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.

auth checks for the following:

Source Code

issue 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.

auth checks for the following:

stoppable 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

destroy 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.

auth checks for the following:

stoppable checks for the following:

Source Code

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

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

auth checks for the following:

Source Code

About

Events (9)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (2)

State Variables (13)

transferOwnership

Parameters

Modifiers

Requirements

acceptOwnership

Parameters

Requirements

disableTransfers

Parameters

Modifiers

issue

Parameters

Modifiers

Requirements

destroy

Parameters

Modifiers

setOwner

Parameters

Modifiers

setAuthority

Parameters

Modifiers

stop

Parameters

Modifiers

start

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

approve

Parameters

Modifiers

transfer

Parameters

transferFrom

Parameters

Modifiers

approve

Parameters

Modifiers

push

Parameters

pull

Parameters

move

Parameters

mint

Parameters