24c37c1f9e
* Add IERC721Metadata implementation into ERC721 * Add IERC721Enumerable into ERC721 * Update ERC721Pausable and ERC721Burnable * Delete ERC721Metadata, ERC721Enumerable and ERC721 (now ERC721) * Update mocks * Update tests * Update contracts/token/ERC721/ERC721.sol Co-Authored-By: Francisco Giordano <frangio.1@gmail.com> * Make ERC721Pausable and ERC721Burnable abstract Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
17 lines
485 B
Solidity
17 lines
485 B
Solidity
pragma solidity ^0.6.0;
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import "./ERC721.sol";
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import "../../utils/Pausable.sol";
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/**
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* @title ERC721 Non-Fungible Pausable token
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* @dev ERC721 modified with pausable transfers.
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*/
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abstract contract ERC721Pausable is ERC721, Pausable {
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function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {
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super._beforeTokenTransfer(from, to, tokenId);
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require(!paused(), "ERC721Pausable: token transfer while paused");
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}
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}
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