Everex

0xf3db5fa2c66b7af3eb0c0b782510816cbe4813b8 Copy

ERC20

This contract is an ERC20 token.

Name Everex

Symbol EVX

Decimals 4

Total Supply 25,000,000 EVX

About

Everex (EVX) is a cryptocurrency and operates on the Ethereum platform. Everex has a current supply of 25,000,000 with 22,700,000 in circulation. The last known price of Everex is 0.32725363 USD and is up 6.18 over the last 24 hours. It is currently trading on 12 active market(s) with $250,626.10 traded over the last 24 hours. More information can be found at https://www.everex.io/.

Stats

Public Functions 19

Event Types 5

Code Size 13,824 bytes

Events (5)

Approval Event

Parameters

owner	address
spender	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Pause Event

Parameters

Transfer Event

Parameters

from	address
to	address
value	uint256

Unpause Event

Parameters

Constants (4)

version Constant

string

1.1

name Constant

string

Everex

symbol Constant

string

EVX

decimals Constant

uint256

State Variables (9)

totalSupply Variable

uint256

paused Variable

bool

owner Variable

address

moderator Variable

address

newModerator Variable

address

newOwner Variable

address

frozen Variable

mapping(address => bool)

Internal Variable

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
otherOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

otherOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address otherOwner) onlyOwner {
  require(otherOwner != address(0));
  newOwner = otherOwner;
}

approveOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

newOwner must be equal to the sender's address

Source Code

function approveOwnership() {
  require(msg.sender == newOwner);
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
  newOwner = address(0);
}

transferModeratorship

Parameters

Name	Type
otherModerator	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyModerator checks for the following:

moderator must be equal to the sender's address

Source Code

function transferModeratorship(address otherModerator) onlyModerator {
  newModerator = otherModerator;
}

approveModeratorship

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Requirements

newModerator must be equal to the sender's address

Source Code

function approveModeratorship() {
  require(msg.sender == newModerator);
  moderator = newModerator;
  newModerator = address(0);
}

removeModeratorship

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 removeModeratorship() onlyOwner {
  moderator = address(0);
}

hasModerator

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function hasModerator() constant returns (bool) {
  return (moderator != address(0));
}

pause

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwnerOrModerator checks for the following:

One or more of the following:

whenNotPaused checks for the following:

paused must not be true

Source Code

function pause() onlyOwnerOrModerator whenNotPaused {
  paused = true;
  Pause();
}

unpause

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwnerOrModerator checks for the following:

One or more of the following:

whenPaused checks for the following:

paused must be true

Source Code

function unpause() onlyOwnerOrModerator whenPaused {
  paused = false;
  Unpause();
}

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

Modifiers

whenNotPaused checks for the following:

paused must not be true

Requirements

the result of calling isFrozen with the sender's address must not be true

the result of calling isFrozen with _to must not be true

_to must not be equal to UNKNOWN VALUE

Source Code

function transfer(address _to, uint256 _value) whenNotPaused returns (bool) {
  require(!isFrozen(msg.sender));
  require(!isFrozen(_to));
  return super.transfer(_to, _value);
}

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

Modifiers

whenNotPaused checks for the following:

paused must not be true

Requirements

the result of calling isFrozen with the sender's address must not be true

the result of calling isFrozen with _from must not be true

the result of calling isFrozen with _to must not be true

_to must not be equal to UNKNOWN VALUE

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) whenNotPaused returns (bool) {
  require(!isFrozen(msg.sender));
  require(!isFrozen(_from));
  require(!isFrozen(_to));
  return super.transferFrom(_from, _to, _value);
}

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;
}

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;
}

isFrozen

Parameters

Name	Type
_addr	address

Properties

Visibility public

Mutability constant

Source Code

function isFrozen(address _addr) constant returns (bool) {
  return frozen[_addr] && hasModerator();
}

freeze

Parameters

Name	Type
_addr	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyModerator checks for the following:

moderator must be equal to the sender's address

Source Code

function freeze(address _addr) onlyModerator {
  frozen[_addr] = true;
}

unfreeze

Parameters

Name	Type
_addr	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyModerator checks for the following:

moderator must be equal to the sender's address

Source Code

function unfreeze(address _addr) onlyModerator {
  frozen[_addr] = false;
}

moderatorTransferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyModerator checks for the following:

moderator must be equal to the sender's address

Source Code

function moderatorTransferFrom(
  address _from,
  address _to,
  uint256 _value
) onlyModerator returns (bool) {
  balances[_to] = balances[_to].add(_value);
  balances[_from] = balances[_from].sub(_value);
  Transfer(_from, _to, _value);
  return 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.

Everex

ERC20

About link description

Stats

Events (5) keyboard_arrow_up

Approval Event

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

OwnershipTransferred Event

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

Pause 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.

Unpause Event

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

Constants (4) keyboard_arrow_up

version Constant

name Constant

symbol Constant

decimals Constant

State Variables (9) keyboard_arrow_up

totalSupply Variable

paused Variable

owner Variable

moderator Variable

newModerator Variable

newOwner Variable

frozen 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:

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

approveOwnership 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

transferModeratorship 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.

onlyModerator checks for the following:

Source Code

approveModeratorship 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

removeModeratorship 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

hasModerator 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

pause 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.

onlyOwnerOrModerator checks for the following:

whenNotPaused checks for the following:

Source Code

unpause 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.

onlyOwnerOrModerator checks for the following:

whenPaused 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.

About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (4)

State Variables (9)

transferOwnership

Parameters

Modifiers

Requirements

approveOwnership

Parameters

Requirements

transferModeratorship

Parameters

Modifiers

approveModeratorship

Parameters

Requirements

removeModeratorship

Parameters

Modifiers

hasModerator

Parameters

pause

Parameters

Modifiers

unpause

Parameters

Modifiers

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

allowance

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Requirements

increaseApproval

Parameters

decreaseApproval

Parameters

isFrozen

Parameters

freeze

Parameters

Modifiers

unfreeze

Parameters

Modifiers

moderatorTransferFrom

Parameters

Modifiers