-  `Event <#event>`__

   -  `Accessors <#event-accessors>`__
   -  `Events <#event-events>`__

      -  `OutcomeTokenCreation(\ *address* ``outcomeToken``, *uint8*
         ``index``) <#outcometokencreationaddress-outcometoken-uint8-index>`__
      -  `OutcomeTokenSetIssuance(\ *address* indexed ``buyer``,
         *uint256*
         ``collateralTokenCount``) <#outcometokensetissuanceaddress-indexed-buyer-uint256-collateraltokencount>`__
      -  `OutcomeTokenSetRevocation(\ *address* indexed ``seller``,
         *uint256*
         ``outcomeTokenCount``) <#outcometokensetrevocationaddress-indexed-seller-uint256-outcometokencount>`__
      -  `OutcomeAssignment(\ *int256*
         ``outcome``) <#outcomeassignmentint256-outcome>`__
      -  `WinningsRedemption(\ *address* indexed ``receiver``, *uint256*
         ``winnings``) <#winningsredemptionaddress-indexed-receiver-uint256-winnings>`__

   -  `Functions <#event-functions>`__

      -  `setOutcome() <#setoutcome>`__
      -  `buyAllOutcomes(\ *uint256*
         ``collateralTokenCount``) <#buyalloutcomesuint256-collateraltokencount>`__
      -  `getOutcomeTokenDistribution(\ *address*
         ``owner``) <#getoutcometokendistributionaddress-owner>`__
      -  `sellAllOutcomes(\ *uint256*
         ``outcomeTokenCount``) <#sellalloutcomesuint256-outcometokencount>`__
      -  `getOutcomeCount() <#getoutcomecount>`__
      -  `redeemWinnings() <#redeemwinnings>`__
      -  `getEventHash() <#geteventhash>`__
      -  `getOutcomeTokens() <#getoutcometokens>`__

Event
=====

Event contract - Provide basic functionality required by different event types
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-  **Author**: Stefan George - stefan@gnosis.pm
-  **Constructor**: Event(\ *address* ``_collateralToken``, *address*
   ``_oracle``, *uint8* ``outcomeCount``)
-  This contract does **not** have a fallback function.

Event Accessors
---------------

-  *int256* outcome() ``27793f87``
-  *address* oracle() ``7dc0d1d0``
-  *address* outcomeTokens(\ *uint256*) ``8abe59ea``
-  *address* collateralToken() ``b2016bd4``
-  *bool* isOutcomeSet() ``ccdf68f3``

Event Events
------------

OutcomeTokenCreation(\ *address* ``outcomeToken``, *uint8* ``index``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

**Signature hash**:
``ad24776dc347085865b6988e249c191fc22d9b31cf54cb62233c3c16be1736ee``

OutcomeTokenSetIssuance(\ *address* indexed ``buyer``, *uint256* ``collateralTokenCount``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

**Signature hash**:
``ad2a02292986148558019ae4abf172732228e32e131a91d3fa7e0cada61932c0``

OutcomeTokenSetRevocation(\ *address* indexed ``seller``, *uint256* ``outcomeTokenCount``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

**Signature hash**:
``7ac9271efd660c24459c447459e46f7366d2b4a692e572f108619d0d7273fcc5``

OutcomeAssignment(\ *int256* ``outcome``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

**Signature hash**:
``b1aaa9f4484acc283375c8e495a44766e4026170797dc9280b4ae2ab5632fb71``

WinningsRedemption(\ *address* indexed ``receiver``, *uint256* ``winnings``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

**Signature hash**:
``2fe921bb50a459800ae7eae7c0124e9e875094a539eb7dc5b3f728017347e0fb``

Event Functions
---------------

setOutcome()
~~~~~~~~~~~~

-  **State mutability**: ``nonpayable``
-  **Signature hash**: ``0537665d``

Sets winning event outcome

buyAllOutcomes(\ *uint256* ``collateralTokenCount``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-  **State mutability**: ``nonpayable``
-  **Signature hash**: ``28da850b``

Buys equal number of tokens of all outcomes, exchanging collateral
tokens and sets of outcome tokens 1:1

Inputs
^^^^^^

+-----------+--------------------------+-----------------------------+
| type      | name                     | description                 |
+===========+==========================+=============================+
| *uint256* | ``collateralTokenCount`` | Number of collateral tokens |
+-----------+--------------------------+-----------------------------+

getOutcomeTokenDistribution(\ *address* ``owner``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-  **State mutability**: ``view``
-  **Signature hash**: ``69c19d4c``

Returns the amount of outcome tokens held by owner

.. _inputs-1:

Inputs
^^^^^^

+-----------+-----------+
| type      | name      |
+===========+===========+
| *address* | ``owner`` |
+-----------+-----------+

Outputs
^^^^^^^

+-------------+------------------------------+----------------------------+
| type        | name                         | description                |
+=============+==============================+============================+
| *uint256[]* | ``outcomeTokenDistribution`` | Outcome token distribution |
+-------------+------------------------------+----------------------------+

sellAllOutcomes(\ *uint256* ``outcomeTokenCount``)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-  **State mutability**: ``nonpayable``
-  **Signature hash**: ``6fb1edcd``

Sells equal number of tokens of all outcomes, exchanging collateral
tokens and sets of outcome tokens 1:1

.. _inputs-2:

Inputs
^^^^^^

+-----------+-----------------------+--------------------------+
| type      | name                  | description              |
+===========+=======================+==========================+
| *uint256* | ``outcomeTokenCount`` | Number of outcome tokens |
+-----------+-----------------------+--------------------------+

getOutcomeCount()
~~~~~~~~~~~~~~~~~

-  **State mutability**: ``view``
-  **Signature hash**: ``7dc8f086``

Returns outcome count

.. _outputs-1:

Outputs
^^^^^^^

+---------+---------------+
| type    | description   |
+=========+===============+
| *uint8* | Outcome count |
+---------+---------------+

redeemWinnings()
~~~~~~~~~~~~~~~~

-  **State mutability**: ``nonpayable``
-  **Signature hash**: ``ad0b2bec``

Exchanges sender’s winning outcome tokens for collateral tokens

.. _outputs-2:

Outputs
^^^^^^^

+-----------+-------------------+
| type      | description       |
+===========+===================+
| *uint256* | Sender’s winnings |
+-----------+-------------------+

getEventHash()
~~~~~~~~~~~~~~

-  **State mutability**: ``view``
-  **Signature hash**: ``e96e5950``

Calculates and returns event hash

.. _outputs-3:

Outputs
^^^^^^^

+-----------+-------------+
| type      | description |
+===========+=============+
| *bytes32* | Event hash  |
+-----------+-------------+

getOutcomeTokens()
~~~~~~~~~~~~~~~~~~

-  **State mutability**: ``view``
-  **Signature hash**: ``f21a1468``

Returns outcome tokens array

.. _outputs-4:

Outputs
^^^^^^^

+-------------+----------------+
| type        | description    |
+=============+================+
| *address[]* | Outcome tokens |
+-------------+----------------+