ExecutionManager

This contract handles the execution and resolution of transactions. A transaction is executed on-chain when an off-chain maker order is matched by on-chain taker order of a different kind. For instance, a taker ask is executed against a maker bid (or a taker bid against a maker ask).

protocolFeeRecipient

address protocolFeeRecipient

Protocol fee recipient.

maxCreatorFeeBp

uint16 maxCreatorFeeBp

Maximum creator fee (in basis point).

creatorFeeManager

contract ICreatorFeeManager creatorFeeManager

Creator fee manager.

constructor

constructor(address _owner, address _protocolFeeRecipient) public

Constructor

Parameters

Name	Type	Description
_owner	address	Owner address
_protocolFeeRecipient	address	Protocol fee recipient address

updateCreatorFeeManager

function updateCreatorFeeManager(address newCreatorFeeManager) external

This function allows the owner to update the creator fee manager address.

Only callable by owner.

Parameters

Name	Type	Description
newCreatorFeeManager	address	Address of the creator fee manager

updateMaxCreatorFeeBp

function updateMaxCreatorFeeBp(uint16 newMaxCreatorFeeBp) external

This function allows the owner to update the maximum creator fee (in basis point).

The maximum value that can be set is 25%. Only callable by owner.

Parameters

Name	Type	Description
newMaxCreatorFeeBp	uint16	New maximum creator fee (in basis point)

updateProtocolFeeRecipient

function updateProtocolFeeRecipient(address newProtocolFeeRecipient) external

This function allows the owner to update the protocol fee recipient.

Only callable by owner.

Parameters

Name	Type	Description
newProtocolFeeRecipient	address	New protocol fee recipient address

_executeStrategyForTakerOrder

function _executeStrategyForTakerOrder(struct OrderStructs.Taker takerOrder, struct OrderStructs.Maker makerOrder, address sender) internal returns (uint256[] itemIds, uint256[] amounts, address[2] recipients, uint256[3] feeAmounts, bool isNonceInvalidated)

This function is internal and is used to execute a transaction initiated by a taker order.

Parameters

Name	Type	Description
takerOrder	struct OrderStructs.Taker	Taker order struct (taker specific parameters for the execution)
makerOrder	struct OrderStructs.Maker	Maker order struct (maker specific parameter for the execution)
sender	address	The address that sent the transaction

Return Values

Name	Type	Description
itemIds	uint256[]	Array of item ids to be traded
amounts	uint256[]	Array of amounts for each item id
recipients	address[2]	Array of recipient addresses
feeAmounts	uint256[3]	Array of fee amounts
isNonceInvalidated	bool	Whether the order's nonce will be invalidated after executing the order