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OperatorFilterer

OperatorFilterer​

Abstract contract whose constructor automatically registers and optionally subscribes to or copies another registrant's entries in the OperatorFilterRegistry.

This smart contract is meant to be inherited by token contracts so they can use the following: - onlyAllowedOperator modifier for transferFrom and safeTransferFrom methods. - onlyAllowedOperatorApproval modifier for approve and setApprovalForAll methods. Please note that if your token contract does not provide an owner with EIP-173, it must provide administration methods on the contract itself to interact with the registry otherwise the subscription will be locked to the options set during construction.

OperatorNotAllowed​

error OperatorNotAllowed(address operator)

Emitted when an operator is not allowed.

OPERATOR_FILTER_REGISTRY​

contract IOperatorFilterRegistry OPERATOR_FILTER_REGISTRY

constructor​

constructor(address subscriptionOrRegistrantToCopy, bool subscribe) internal

The constructor that is called when the contract is being deployed.

onlyAllowedOperator​

modifier onlyAllowedOperator(address from)

A helper function to check if an operator is allowed.

onlyAllowedOperatorApproval​

modifier onlyAllowedOperatorApproval(address operator)

A helper function to check if an operator approval is allowed.

_checkFilterOperator​

function _checkFilterOperator(address operator) internal view virtual

A helper function to check if an operator is allowed.

_msgSender​

function _msgSender() internal view virtual returns (address sender)