Market

The market contract represents a single prediction market and is initialized in MarketFactory.

Variables

initialized

bool initialized

Flag to initialize the market only once.

RealityParams

Contains the information associated to Reality.

struct RealityParams {
  bytes32[] questionsIds;
  uint256 templateId;
  string[] encodedQuestions;
}

ConditionalTokensParams

Contains the information associated to Conditional Tokens.

struct ConditionalTokensParams {
  bytes32 conditionId;
  bytes32 parentCollectionId;
  uint256 parentOutcome;
  address parentMarket;
  bytes32 questionId;
  contract IERC20[] wrapped1155;
  bytes[] data;
}

marketName

string marketName

The name of the market.

outcomes

string[] outcomes

The market outcomes, doesn’t include the INVALID_RESULT outcome.

lowerBound

uint256 lowerBound

Lower bound, only used for scalar markets.

upperBound

uint256 upperBound

Upper bound, only used for scalar markets.

conditionalTokensParams

struct Market.ConditionalTokensParams conditionalTokensParams

Conditional Tokens parameters.

realityParams

struct Market.RealityParams realityParams

Reality parameters.

realityProxy

contract RealityProxy realityProxy

Oracle contract.

Functions

initialize

function initialize(string _marketName, string[] _outcomes, uint256 _lowerBound, uint256 _upperBound, struct Market.ConditionalTokensParams _conditionalTokensParams, struct Market.RealityParams _realityParams, contract RealityProxy _realityProxy) external

Initializer. Parameters

Name	Type	Description
_marketName	string	The name of the market.
_outcomes	string[]	The market outcomes, doesn’t include the INVALID_RESULT outcome.
_lowerBound	uint256	Lower bound, only used for scalar markets.
_upperBound	uint256	Upper bound, only used for scalar markets.
_conditionalTokensParams	struct Market.ConditionalTokensParams	Conditional Tokens params.
_realityParams	struct Market.RealityParams	Reality params.
_realityProxy	contract RealityProxy	Oracle contract.

templateId

function templateId() external view returns (uint256)

The templateId associated to the Reality question. Return Values

Name	Type	Description
[0]	uint256	The template id.

questionsIds

function questionsIds() external view returns (bytes32[])

Returns the Reality questions ids. Multi Scalar markets have one question for each outcome, while any other market has only one question. Return Values

Name	Type	Description
[0]	bytes32[]	The Reality questions ids.

encodedQuestions

function encodedQuestions(uint256 index) external view returns (string)

Encoded questions parameters, needed to create and reopen a question. Parameters

Name	Type	Description
index	uint256	The question index.

Return Values

Name	Type	Description
[0]	string	The encoded question.

questionId

function questionId() external view returns (bytes32)

Conditional Tokens questionId. Return Values

Name	Type	Description
[0]	bytes32	the question ID.

conditionId

function conditionId() external view returns (bytes32)

Conditional Tokens conditionId. Return Values

Name	Type	Description
[0]	bytes32	The condition ID.

parentCollectionId

function parentCollectionId() external view returns (bytes32)

Conditional Tokens parentCollectionId. Return Values

Name	Type	Description
[0]	bytes32	The parent collection ID.

parentMarket

function parentMarket() external view returns (address)

The parent market (optional). This market redeems to an outcome token of the parent market. Return Values

Name	Type	Description
[0]	address	The parent market address.

parentOutcome

function parentOutcome() external view returns (uint256)

The parent outcome (optional). The parent market’s outcome token this market redeems for. Return Values

Name	Type	Description
[0]	uint256	The parent outcome index.

wrappedOutcome

function wrappedOutcome(uint256 index) external view returns (contract IERC20 wrapped1155, bytes data)

Returns the wrapped1155 and the data corresponding to an outcome token. Parameters

Name	Type	Description
index	uint256	The outcome index.

Return Values

Name	Type	Description
wrapped1155	contract IERC20	The wrapped token.
data	bytes	The token data.

parentWrappedOutcome

function parentWrappedOutcome() external view returns (contract IERC20 wrapped1155, bytes data)

Returns the wrapped1155 and the data corresponding to the parent market. Return Values

Name	Type	Description
wrapped1155	contract IERC20	The wrapped token.
data	bytes	The token data.

numOutcomes

function numOutcomes() external view returns (uint256)

Returns the number of outcomes. Doesn’t include the INVALID_RESULT outcome. Return Values

Name	Type	Description
[0]	uint256	The number of outcomes.

resolve

function resolve() external

Helper function to resolve the market.

Getting started

Guides

HTTP API

Diagrams

Subgraph

Contracts

Variables

initialized

RealityParams

ConditionalTokensParams

marketName

outcomes

lowerBound

upperBound

conditionalTokensParams

realityParams

realityProxy

Functions

initialize

templateId

questionsIds

encodedQuestions

questionId

conditionId

parentCollectionId

parentMarket

parentOutcome

wrappedOutcome

parentWrappedOutcome

numOutcomes

resolve

​Variables

​initialized

​RealityParams

​ConditionalTokensParams

​marketName

​outcomes

​lowerBound

​upperBound

​conditionalTokensParams

​realityParams

​realityProxy

​Functions

​initialize

​templateId

​questionsIds

​encodedQuestions

​questionId

​conditionId

​parentCollectionId

​parentMarket

​parentOutcome

​wrappedOutcome

​parentWrappedOutcome

​numOutcomes

​resolve

Variables

initialized

RealityParams

ConditionalTokensParams

marketName

outcomes

lowerBound

upperBound

conditionalTokensParams

realityParams

realityProxy

Functions

initialize

templateId

questionsIds

encodedQuestions

questionId

conditionId

parentCollectionId

parentMarket

parentOutcome

wrappedOutcome

parentWrappedOutcome

numOutcomes

resolve