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pragma solidity ^0.4.11;
import "../Events/Event.sol";
import "../MarketMakers/MarketMaker.sol";
/// @title Abstract market contract - Functions to be implemented by market contracts
contract Market {
/*
* Events
*/
event MarketFunding(uint funding);
event MarketClosing();
event FeeWithdrawal(uint fees);
event OutcomeTokenPurchase(address indexed buyer, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint cost);
event OutcomeTokenSale(address indexed seller, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint profit);
event OutcomeTokenShortSale(address indexed buyer, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint cost);
/*
* Storage
*/
address public creator;
uint public createdAtBlock;
Event public eventContract;
MarketMaker public marketMaker;
uint24 public fee;
uint public funding;
int[] public netOutcomeTokensSold;
Stages public stage;
enum Stages {
MarketCreated,
MarketFunded,
MarketClosed
}
/*
* Public functions
*/
function fund(uint _funding) public;
function close() public;
function withdrawFees() public returns (uint);
function buy(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint maxCost) public returns (uint);
function sell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit) public returns (uint);
function shortSell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit) public returns (uint);
function calcMarketFee(uint outcomeTokenCost) public view returns (uint);
}
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