mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
48 lines
1.6 KiB
Solidity
48 lines
1.6 KiB
Solidity
pragma solidity >=0.0;
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import "../Events/Event.sol";
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import "../MarketMakers/MarketMaker.sol";
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/// @title Abstract market contract - Functions to be implemented by market contracts
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abstract contract Market {
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/*
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* Events
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*/
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event MarketFunding(uint funding);
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event MarketClosing();
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event FeeWithdrawal(uint fees);
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event OutcomeTokenPurchase(address indexed buyer, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint cost);
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event OutcomeTokenSale(address indexed seller, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint profit);
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event OutcomeTokenShortSale(address indexed buyer, uint8 outcomeTokenIndex, uint outcomeTokenCount, uint cost);
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/*
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* Storage
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*/
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address public creator;
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uint public createdAtBlock;
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Event public eventContract;
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MarketMaker public marketMaker;
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uint24 public fee;
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uint public funding;
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int[] public netOutcomeTokensSold;
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Stages public stage;
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enum Stages {
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MarketCreated,
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MarketFunded,
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MarketClosed
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}
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/*
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* Public functions
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*/
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function fund(uint _funding) virtual public;
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function close() virtual public;
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function withdrawFees() virtual public returns (uint);
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function buy(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint maxCost) virtual public returns (uint);
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function sell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit) virtual public returns (uint);
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function shortSell(uint8 outcomeTokenIndex, uint outcomeTokenCount, uint minProfit) virtual public returns (uint);
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function calcMarketFee(uint outcomeTokenCost) virtual public view returns (uint);
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}
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