OriginToken

0x8207c1ffc5b6804f6024322ccf34f29c3541ae26 Copy

ERC20

This contract is an ERC20 token.

Name OriginToken

Symbol OGN

Decimals 18

Total Supply 1,000,000,000 OGN

About

Origin Protocol (OGN) is a cryptocurrency and operates on the Ethereum platform. Origin Protocol has a current supply of 1,000,000,000 with 316,728,501.54 in circulation. The last known price of Origin Protocol is 0.78876975 USD and is down -5.78 over the last 24 hours. It is currently trading on 69 active market(s) with $109,564,006.36 traded over the last 24 hours. More information can be found at https://www.originprotocol.com.

Stats

Public Functions 23

Event Types 14

Code Size 18,877 bytes

Events (14)

AddCallSpenderWhitelist Event

Parameters

enabler	address
spender	address

AllowedTransactorAdded Event

Parameters

sender

address

AllowedTransactorRemoved Event

Parameters

sender

address

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burn Event

Parameters

burner	address
value	uint256

Mint Event

Parameters

to	address
amount	uint256

MintFinished Event

Parameters

OwnershipRenounced Event

Parameters

previousOwner

address

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Pause Event

Parameters

RemoveCallSpenderWhitelist Event

Parameters

disabler	address
spender	address

SetWhitelistExpiration Event

Parameters

expiration

uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Unpause Event

Parameters

State Variables (12)

mintingFinished Variable

bool

owner Variable

address

whitelistExpiration Variable

uint256

paused Variable

bool

name Variable

string

symbol Variable

string

decimals Variable

uint8

callSpenderWhitelist Variable

mapping(address => bool)

allowedTransactors Variable

mapping(address => bool)

balances Variable

mapping(address => uint256)

Internal Variable

totalSupply_ Variable

uint256

Internal Variable

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

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

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

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

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

allowedTransfer checks for the following:

One or more of the following: -the result of calling whitelistActive must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

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

Source Code

function transfer(address _to, uint256 _value)
  public
  allowedTransfer(msg.sender, _to)
  returns (bool)
{
  return super.transfer(_to, _value);
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

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

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

allowedTransfer checks for the following:

One or more of the following: -the result of calling whitelistActive must not be true

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for _from

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

Source Code

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

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

function approve(address _spender, uint256 _value)
  public
  whenNotPaused
  returns (bool)
{
  return super.approve(_spender, _value);
}

renounceOwnership

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 renounceOwnership() public onlyOwner {
  emit OwnershipRenounced(owner);
  owner = address(0);
}

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

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address _newOwner) public onlyOwner {
  _transferOwnership(_newOwner);
}

pause

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

whenNotPaused checks for the following:

paused must not be true

Source Code

function pause() public onlyOwner whenNotPaused {
  paused = true;
  emit Pause();
}

unpause

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

whenPaused checks for the following:

paused must be true

Source Code

function unpause() public onlyOwner whenPaused {
  paused = false;
  emit Unpause();
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  whenNotPaused
  returns (bool success)
{
  return super.increaseApproval(_spender, _addedValue);
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

paused must not be true

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  whenNotPaused
  returns (bool success)
{
  return super.decreaseApproval(_spender, _subtractedValue);
}

whitelistActive

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function whitelistActive() public view returns (bool) {
  return block.timestamp < whitelistExpiration;
}

addAllowedTransactor

Parameters

Name	Type
_transactor	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function addAllowedTransactor(address _transactor) public onlyOwner {
  emit AllowedTransactorAdded(_transactor);
  allowedTransactors[_transactor] = true;
}

removeAllowedTransactor

Parameters

Name	Type
_transactor	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function removeAllowedTransactor(address _transactor) public onlyOwner {
  emit AllowedTransactorRemoved(_transactor);
  delete allowedTransactors[_transactor];
}

setWhitelistExpiration

Parameters

Name	Type
_expiration	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

One or more of the following: -null - OR whitelistExpiration must be equal to 0

_expiration must be greater than or equal to block.timestamp + 1 days

Source Code

function setWhitelistExpiration(uint256 _expiration) public onlyOwner {
  // allow only if whitelist expiration hasn't yet been set, or if the
  // whitelist expiration hasn't passed yet
  require(
    whitelistExpiration == 0 || whitelistActive(),
    "an expired whitelist cannot be extended"
  );
  // prevent possible mistakes in calling this function
  require(
    _expiration >= block.timestamp + 1 days,
    "whitelist expiration not far enough into the future"
  );
  emit SetWhitelistExpiration(_expiration);
  whitelistExpiration = _expiration;
}

mint

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

hasMintPermission 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)
  public
  hasMintPermission
  canMint
  returns (bool)
{
  totalSupply_ = totalSupply_.add(_amount);
  balances[_to] = balances[_to].add(_amount);
  emit Mint(_to, _amount);
  emit Transfer(address(0), _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

canMint checks for the following:

mintingFinished must not be true

Source Code

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

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

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

Source Code

function burn(uint256 _value) public onlyOwner {
  // TODO: add a function & modifier to enable for all accounts without doing
  // a contract migration?
  super.burn(_value);
}

burn

Parameters

Name	Type
_who	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

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

Source Code

function burn(address _who, uint256 _value) public onlyOwner {
  _burn(_who, _value);
}

addCallSpenderWhitelist

Parameters

Name	Type
_spender	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function addCallSpenderWhitelist(address _spender) public onlyOwner {
  callSpenderWhitelist[_spender] = true;
  emit AddCallSpenderWhitelist(msg.sender, _spender);
}

removeCallSpenderWhitelist

Parameters

Name	Type
_spender	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function removeCallSpenderWhitelist(address _spender) public onlyOwner {
  delete callSpenderWhitelist[_spender];
  emit RemoveCallSpenderWhitelist(msg.sender, _spender);
}

approveAndCallWithSender

Parameters

Name	Type
_spender	address
_value	uint256
_selector	bytes4
_callParams	bytes

Properties

Visibility public

Mutability payable

Requirements

_spender must not be equal to UNKNOWN VALUE

Source Code

function approveAndCallWithSender(
  address _spender,
  uint256 _value,
  bytes4 _selector,
  bytes _callParams
) public payable returns (bool) {
  require(_spender != address(this), "token contract can't be approved");
  require(callSpenderWhitelist[_spender], "spender not in whitelist");

  require(super.approve(_spender, _value), "approve failed");

  bytes memory callData = abi.encodePacked(
    _selector,
    uint256(msg.sender),
    _callParams
  );
  // solium-disable-next-line security/no-call-value
  require(_spender.call.value(msg.value)(callData), "proxied call failed");
  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.

internal BurnableToken._burn

Parameters

Name	Type
_who	address
_value	uint256

Properties

Visibility internal

Mutability transaction

Requirements

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

Source Code

function _burn(address _who, uint256 _value) internal {
  require(_value <= balances[_who]);
  // no need to require value <= totalSupply, since that would imply the
  // sender's balance is greater than the totalSupply, which *should* be an assertion failure

  balances[_who] = balances[_who].sub(_value);
  totalSupply_ = totalSupply_.sub(_value);
  emit Burn(_who, _value);
  emit Transfer(_who, address(0), _value);
}

internal Ownable._transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility internal

Mutability transaction

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

internal Ownable._transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility internal

Mutability transaction

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

OriginToken

ERC20

About link description

Stats

Events (14) keyboard_arrow_up

AddCallSpenderWhitelist Event

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

AllowedTransactorAdded Event

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

AllowedTransactorRemoved Event

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

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.

Mint 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.

OwnershipRenounced 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.

RemoveCallSpenderWhitelist Event

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

SetWhitelistExpiration 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.

State Variables (12) keyboard_arrow_up

mintingFinished Variable

owner Variable

whitelistExpiration Variable

paused Variable

name Variable

symbol Variable

decimals Variable

callSpenderWhitelist Variable

allowedTransactors Variable

balances Variable

totalSupply_ Variable

allowed Variable

Functions Expand All Collapse All

totalSupply 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

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

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

allowedTransfer 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

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

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

allowedTransfer 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

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

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

whenNotPaused checks for the following:

Source Code

renounceOwnership keyboard_arrow_up

About

Events (14)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (12)

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

allowance

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

renounceOwnership

Parameters

Modifiers

transferOwnership

Parameters

Modifiers

Requirements

pause

Parameters

Modifiers

unpause

Parameters

Modifiers

increaseApproval

Parameters

Modifiers

decreaseApproval

Parameters

Modifiers

whitelistActive

Parameters

addAllowedTransactor

Parameters

Modifiers

removeAllowedTransactor

Parameters

Modifiers

setWhitelistExpiration

Parameters

Modifiers

Requirements

mint

Parameters

Modifiers

finishMinting