MidasFactory721

MidasFactory721

Contract used to deploy and register new MidasPairs. Enables setting fee parameters, protocol fees and Midas Pair implementation.

constructor

constructor(address _royaltyEngine)

Parameters

Name	Type	Description
_royaltyEngine	address	The smart contract which provides royalty data

OwnerChanged

event OwnerChanged(address indexed oldOwner, address indexed newOwner);

PairImplementationSet

event PairImplementationSet(address indexed oldPair, address indexed newPair);

LptImplementationSet

event LptImplementationSet(address indexed oldLPT, address indexed newLPT);

PairCreated

event PairCreated(address indexed tokenX, address indexed tokenY, address indexed pair, address lpToken);

feeRecipient

function feeRecipient() external view

View function to get the recipient address which receives the protocol fee.

Return Values

Name	Type	Description
_feeRecipient	address	The recipient address of protocol fee

createERC721Pair

function createERC721Pair(address _tokenX, address _tokenY) external override noDelegateCall

Function to create a new Midas Pair for _token0 and _token1.

Parameters

Name	Type	Description
_tokenX	address	The address of the first token
_tokenY	address	The address of the second token

Return Values

Name	Type	Description
lpToken	address	The address of LP token
pair	address	The address of the newly created MidasPair

setOwner

function setOwner(address _owner) external

Function to set up a new owner of the factory.

Parameters

Name	Type	Description
_owner	address	The address of the new owner

setRoyaltyInfo

function setRoyaltyInfo(address _nftAddress, address _pair) public 

Function to update royalty info for the specific MidasPair.

Parameters

Name	Type	Description
_nftAddress	address	The address of the NFT asset in the MidasPair
_pair	address	The address of the MidasPair

setRoyaltyEngine

function setRoyaltyEngine(address _newRoyaltyEngine) external 

Function to update royalty engine contract address.

Parameters

Name	Type	Description
_newRoyaltyEngine	address	The new Royalty Engine address

setRoyaltyInfo

 function setRoyaltyInfo(address _tokenX, address _tokenY, bool isZero) external

Function to set a new royalty rate for all the following MidasPair.

Parameters

Name	Type	Description
address	_tokenX	The address of the NFT
address	_tokenY	The address of the FT
isZero	bool	Initialize royalty rate for NFT

setPairImplementation

function setPairImplementation(address _newPairImplementation) external 

Function to set a new implementation of MidasPair to be cloned.

Parameters

Name	Type	Description
_newPairImplementation	address	The new template address of MidasPair

setLptImplementation

function setLptImplementation(address _newLptImplementation) external 

Function to set a new implementation of LPToken to be cloned.

Parameters

Name	Type	Description
_newLptImplementation	address	The new template address of LPToken

flashLoan

function flashLoan(address _token0, address _token1, IMidasFlashLoanCallback receiver, uint256[] calldata _tokenIds, bytes calldata data) external

Function to execute flash loans towards the specific MidasPair.

Parameters

Name	Type	Description
_tokenX	address	The address of NFT
_tokenY	address	The address of FT
receiver	IMidasFlashLoanCallback	The implementation of receiver
_tokenIds	uint256[] calldata	The list of NFT tokenIds to be borrowed
data	bytes calldata	The data to be transferred along with function revoking