82 lines
3.0 KiB
Solidity
82 lines
3.0 KiB
Solidity
pragma solidity ^0.5.12;
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import "./CryptoBirdies.sol";
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import "./Ownable.sol";
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/*
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* Market place to trade birds (should **in theory** be used for any ERC721 token)
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* It needs an existing bird contract to interact with
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* Note: it does not inherit from the contract
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* Note: It takes ownership of the bird for the duration that is is on the marketplace.
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*/
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interface IMarketPlace {
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event MarketTransaction(string TxType, address owner, uint256 tokenId);
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event MonetaryTransaction(string message, address recipient, uint256 amount);
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/**
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* Set the current contract address and initialize the instance of the contract.
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* Requirement: Only the contract owner can call.
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*/
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function setContract(address _contractAddress) external;
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/**
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* Sets status of _paused to true which affects all functions that have whenNotPaused modifiers.
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*/
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function pause() external;
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/**
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* Sets status of _paused to false which affects all functions that have whenNotPaused modifiers.
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*/
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function resume() external;
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/**
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* Get the details about a offer for _tokenId. Throws an error if there is no active offer for _tokenId.
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*/
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function getOffer(uint256 _tokenId) external view returns (address seller, uint256 price, uint256 index, uint256 tokenId, bool active);
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/**
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* Get all tokenId's that are currently for sale. Returns an empty array if no offer exists.
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*/
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function getAllTokensOnSale() external view returns (uint256[] memory listOfOffers);
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/**
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* Creates a new offer for _tokenId for the price _price.
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* Emits the MarketTransaction event with txType "Create offer"
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* Requirement: Only the owner of _tokenId can create an offer.
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* Requirement: There can only be one active offer for a token at a time.
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* Requirement: Marketplace contract (this) needs to be an approved operator when the offer is created.
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*/
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function setOffer(uint256 _price, uint256 _tokenId) external;
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/**
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* Removes an existing offer.
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* Emits the MarketTransaction event with txType "Remove offer"
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* Requirement: Only the seller of _tokenId can remove an offer.
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*/
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function removeOffer(uint256 _tokenId) external;
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/**
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* Executes the purchase of _tokenId.
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* Transfers the token using transferFrom in CryptoBirdies.
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* Transfers funds to the _fundsToBeCollected mapping.
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* Removes the offer from the mapping.
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* Sets the offer in the array to inactive.
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* Emits the MarketTransaction event with txType "Buy".
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* Requirement: The msg.value needs to equal the price of _tokenId
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* Requirement: There must be an active offer for _tokenId
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*/
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function buyBird(uint256 _tokenId) external payable;
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/**
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* Returns current balance of msg.sender
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*/
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function getBalance() external view returns (uint256);
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/**
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* Send funds to msg.sender.
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* Emits a MonetaryTransaction event "Successful Transfer".
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* Requirement: msg.sender must have funds in the mapping.
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*/
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function withdrawFunds() external payable;
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} |