// SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.17; import '@openzeppelin/contracts/token/ERC1155/ERC1155.sol'; contract MockERC1155 is ERC1155 { constructor () ERC1155("https://token.uri/{id}") {} function mint(address _to, uint _id, uint _amount, bytes calldata _data) public { _mint(_to, _id, _amount, _data); } }