LooksRareExchange

It is the core contract of the LooksRare exchange.

Methods

DOMAIN_SEPARATOR

function DOMAIN_SEPARATOR() external view returns (bytes32)

Returns

Name	Type	Description
DOMAIN_SEPARATOR	bytes32	EIP-712 domain separator for the exchange

WETH

function WETH() external view returns (address)

Returns

Name	Type	Description
WETH	address	address of the WETH ("Wrapped Ether") contract

cancelAllOrdersForSender

function cancelAllOrdersForSender(uint256 minNonce) external nonpayable

Cancel all pending orders for a sender

Parameters

Name	Type	Description
minNonce	uint256	minimum user nonce

cancelMultipleMakerOrders

function cancelMultipleMakerOrders(uint256[] orderNonces) external nonpayable

Cancel maker orders

Parameters

Name	Type	Description
orderNonces	uint256[]	array of order nonces

currencyManager

function currencyManager() external view returns (contract ICurrencyManager)

Returns

Name	Type	Description
currencyManager	contract ICurrencyManager	address of the CurrencyManager

executionManager

function executionManager() external view returns (contract IExecutionManager)

Returns

Name	Type	Description
executionManager	contract IExecutionManager	address of the ExecutionManager

isUserOrderNonceExecutedOrCancelled

function isUserOrderNonceExecutedOrCancelled(address user, uint256 orderNonce) external view returns (bool)

Check whether user order nonce is executed or cancelled

Parameters

Name	Type	Description
user	address	address of user
orderNonce	uint256	nonce of the order

Returns

Name	Type	Description
-	bool	whether the user order nonce is executed or cancelled (for cancels, it needs to be checked against the minOrderNonce too)

matchAskWithTakerBid

function matchAskWithTakerBid(OrderTypes.TakerOrder takerBid, OrderTypes.MakerOrder makerAsk) external nonpayable

Match a takerBid with a matchAsk

Parameters

Name	Type	Description
takerBid	OrderTypes.TakerOrder	taker bid order
makerAsk	OrderTypes.MakerOrder	maker ask order

matchAskWithTakerBidUsingETHAndWETH

function matchAskWithTakerBidUsingETHAndWETH(OrderTypes.TakerOrder takerBid, OrderTypes.MakerOrder makerAsk) external payable

Match ask with a taker bid order using ETH

Parameters

Name	Type	Description
takerBid	OrderTypes.TakerOrder	taker bid order
makerAsk	OrderTypes.MakerOrder	maker ask order

matchBidWithTakerAsk

function matchBidWithTakerAsk(OrderTypes.TakerOrder takerAsk, OrderTypes.MakerOrder makerBid) external nonpayable

Match a takerAsk with a makerBid

Parameters

Name	Type	Description
takerAsk	OrderTypes.TakerOrder	taker ask order
makerBid	OrderTypes.MakerOrder	maker bid order

owner

function owner() external view returns (address)

Returns the address of the current owner.

Returns

Name	Type	Description
owner	address	address of the current owner

protocolFeeRecipient

function protocolFeeRecipient() external view returns (address)

Returns

Name	Type	Description
protocolFeeRecipient	address	address of the protocol fee recipient

renounceOwnership

function renounceOwnership() external nonpayable

Leaves the contract without owner. It will not be possible to call onlyOwner functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.

royaltyFeeManager

function royaltyFeeManager() external view returns (contract IRoyaltyFeeManager)

Returns

Name	Type	Description
royaltyFeeManager	contract IRoyaltyFeeManager	address of the RoyaltyFeeManager

transferOwnership

function transferOwnership(address newOwner) external nonpayable

Transfers ownership of the contract to a new account (newOwner). Can only be called by the current owner.

Parameters

Name	Type	Description
newOwner	address	address of the new owner

transferSelectorNFT

function transferSelectorNFT() external view returns (contract ITransferSelectorNFT)

Returns

Name	Type	Description
transferSelectorNFT	contract ITransferSelectorNFT	address of the TransferSelectorNFT contract

updateCurrencyManager

function updateCurrencyManager(address _currencyManager) external nonpayable

Update currency manager

Parameters

Name	Type	Description
_currencyManager	address	new currency manager address

updateExecutionManager

function updateExecutionManager(address _executionManager) external nonpayable

Update execution manager

Parameters

Name	Type	Description
_executionManager	address	new execution manager address

updateProtocolFeeRecipient

function updateProtocolFeeRecipient(address _protocolFeeRecipient) external nonpayable

Update protocol fee and recipient

Parameters

Name	Type	Description
_protocolFeeRecipient	address	new recipient for protocol fees

updateRoyaltyFeeManager

function updateRoyaltyFeeManager(address _royaltyFeeManager) external nonpayable

Update royalty fee manager

Parameters

Name	Type	Description
_royaltyFeeManager	address	new fee manager address

updateTransferSelectorNFT

function updateTransferSelectorNFT(address _transferSelectorNFT) external nonpayable

Update transfer selector NFT

Parameters

Name	Type	Description
_transferSelectorNFT	address	new transfer selector address

userMinOrderNonce

function userMinOrderNonce(address) external view returns (uint256)

Parameters

Name	Type	Description
user	address	user address

Returns

Name	Type	Description
minOrderNonce	uint256	minimum order nonce that defines the validity of user orders. If an order has a nonce inferior to the minOrderNonce, it cannot be executed.

Events

CancelAllOrders

event CancelAllOrders(address indexed user, uint256 newMinNonce)

Parameters

Name	Type	Description
user indexed	address	user address
newMinNonce	uint256	new minimum order nonce

CancelMultipleOrders

event CancelMultipleOrders(address indexed user, uint256[] orderNonces)

Parameters

Name	Type	Description
user indexed	address	user address
orderNonces	uint256[]	array of order nonces that are cancelled

NewCurrencyManager

event NewCurrencyManager(address indexed currencyManager)

Parameters

Name	Type	Description
currencyManager indexed	address	address of the new CurrencyManager

NewExecutionManager

event NewExecutionManager(address indexed executionManager)

Parameters

Name	Type	Description
executionManager indexed	address	address of the new ExecutionManager

NewProtocolFeeRecipient

event NewProtocolFeeRecipient(address indexed protocolFeeRecipient)

Parameters

Name	Type	Description
protocolFeeRecipient indexed	address	address of the new protocol fee recipient

NewRoyaltyFeeManager

event NewRoyaltyFeeManager(address indexed royaltyFeeManager)

Parameters

Name	Type	Description
royaltyFeeManager indexed	address	address of the new RoyaltyFeeManager

NewTransferSelectorNFT

event NewTransferSelectorNFT(address indexed transferSelectorNFT)

Parameters

Name	Type	Description
transferSelectorNFT indexed	address	address of the new TransferSelectorNFT

OwnershipTransferred

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)

Parameters

Name	Type	Description
previousOwner indexed	address	address of the previous owner
newOwner indexed	address	address of the new owner

RoyaltyPayment

event RoyaltyPayment(address indexed collection, uint256 indexed tokenId, address indexed royaltyRecipient, address currency, uint256 amount)

Parameters

Name	Type	Description
collection indexed	address	collection address
tokenId indexed	uint256	tokenId
royaltyRecipient indexed	address	royalty fee recipient
currency	address	currency used (e.g., WETH)
amount	uint256	royalty amount transferred

TakerAsk

event TakerAsk(bytes32 orderHash, uint256 orderNonce, address indexed taker, address indexed maker, address indexed strategy, address currency, address collection, uint256 tokenId, uint256 amount, uint256 price)

Parameters

Name	Type	Description
orderHash	bytes32	order hash
orderNonce	uint256	user order nonce (for the maker)
taker indexed	address	taker address
maker indexed	address	maker address
strategy indexed	address	address of the execution strategy
currency	address	currency address
collection	address	collection address
tokenId	uint256	tokenId
amount	uint256	amount of tokens transferred
price	uint256	gross transaction price

TakerBid

event TakerBid(bytes32 orderHash, uint256 orderNonce, address indexed taker, address indexed maker, address indexed strategy, address currency, address collection, uint256 tokenId, uint256 amount, uint256 price)

Parameters

Name	Type	Description
orderHash	bytes32	order hash
orderNonce	uint256	user order nonce (for the maker)
taker indexed	address	taker address
maker indexed	address	maker address
strategy indexed	address	address of the execution strategy
currency	address	currency address
collection	address	collection address
tokenId	uint256	tokenId
amount	uint256	amount of tokens transferred
price	uint256	gross transaction price