ConditionalTokens

function prepareCondition(
    address oracle,
    bytes32 questionId,
    uint256 outcomeSlotCount
) external;

function redeemPositions(
    IERC20 collateralToken,
    bytes32 parentCollectionId,
    bytes32 conditionId,
    uint256[] calldata indexSets
) external;

event ConditionPreparation(bytes32 indexed conditionId, address indexed oracle, ...);
event ConditionResolution(bytes32 indexed conditionId, ...);
event PositionSplit(address indexed stakeholder, ...);
event PositionsMerge(address indexed stakeholder, ...);
event PayoutRedemption(address indexed redeemer, bytes32 indexed conditionId, ...);