// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../token/ERC1155/IERC1155Receiver.sol"; import "../../utils/introspection/ERC165.sol"; contract ERC1155ReceiverMock is ERC165, IERC1155Receiver { bytes4 private _recRetval; bool private _recReverts; bytes4 private _batRetval; bool private _batReverts; event Received(address operator, address from, uint256 id, uint256 value, bytes data, uint256 gas); event BatchReceived(address operator, address from, uint256[] ids, uint256[] values, bytes data, uint256 gas); constructor(bytes4 recRetval, bool recReverts, bytes4 batRetval, bool batReverts) { _recRetval = recRetval; _recReverts = recReverts; _batRetval = batRetval; _batReverts = batReverts; } function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external override returns (bytes4) { require(!_recReverts, "ERC1155ReceiverMock: reverting on receive"); emit Received(operator, from, id, value, data, gasleft()); return _recRetval; } function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external override returns (bytes4) { require(!_batReverts, "ERC1155ReceiverMock: reverting on batch receive"); emit BatchReceived(operator, from, ids, values, data, gasleft()); return _batRetval; } }