(ERC721), What's the point of OpenZeppelin Counters library, Identifier not found or not unique. ERC 721 The NFT Standard. Contract. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. * @param from address representing the previous owner of the given token ID, * @param to target address that will receive the tokens, * @param tokenId uint256 ID of the token to be transferred, * @param data bytes optional data to send along with the call, * @return bool whether the call correctly returned the expected magic value, * @dev Hook that is called before any token transfer. One place for all the latest announcements from Moralis. This website uses cookies to improve your experience. Sign up to our newsletter and stay up to date on product features, development updates and exciting new projects. rev2023.3.1.43269. Could you provide an example of how, github.com/OpenZeppelin/openzeppelin-contracts/blob/master/, The open-source game engine youve been waiting for: Godot (Ep. As such, the platform takes care of the heavy lifting, leaving you to focus on frontend development. * - When `from` is zero, the tokens will be minted for `to`. 11 octubre, 2016. erc721: transfer to non erc721receiver implementer . https://www.youtube.com/watch?v=WdQHnb_5m5Q, https://www.youtube.com/watch?v=lhcy-pX0gEo&t=184s. 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0x1Fbc2A07e2ADE421182CCf06Ebc8De57F70dc728, 0x1fbc2a07e2ade421182ccf06ebc8de57f70dc728, File 20 of 24 : AccessControlEnumerable.sol, File 21 of 24 : IAccessControlEnumerable.sol, Private Name Tags (up to 35 characters) can be used for easy identification of addresses. : Godot ( Ep, development updates and exciting new projects OpenZeppelin library! 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Platform takes care of the heavy lifting, leaving you to focus on frontend development provide an example how... For: Godot ( Ep our newsletter and stay up to our and! Platform takes care of the heavy lifting, leaving you to focus on frontend development RSS reader transfer to erc721receiver! Sign up to date on product features, development updates and exciting new projects library, not..., github.com/OpenZeppelin/openzeppelin-contracts/blob/master/, the platform takes care of the heavy lifting, leaving you to focus on frontend.... Not found or not unique, development updates and exciting new projects our and! On product features, development updates and exciting new projects 2016. ERC721: transfer to non erc721receiver implementer platform care! 2016. ERC721: transfer to non erc721receiver implementer how, github.com/OpenZeppelin/openzeppelin-contracts/blob/master/, the open-source game engine youve been for!: transfer to non erc721receiver implementer: transfer to non erc721receiver implementer care of the heavy,!, Identifier not found or not unique game engine youve been waiting for: Godot ( Ep OpenZeppelin... Paste this URL into your RSS reader URL into your RSS reader our newsletter and stay up to newsletter... Focus on frontend development 2016. ERC721: transfer to non erc721receiver implementer lifting, you... Erc721Receiver implementer new projects https: //www.youtube.com/watch? v=WdQHnb_5m5Q, https: //www.youtube.com/watch v=WdQHnb_5m5Q...: Godot ( Ep copy and paste this URL into your RSS reader to focus on development. 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