DelayedReveal

Delayed Reveal

Thirdweb's DelayedReveal is a contract extension for base NFT contracts. It lets you create batches of 'delayed-reveal' NFTs. You can learn more about the usage of delayed reveal NFTs here - https://blog.thirdweb.com/delayed-reveal-nfts

Methods

encryptDecrypt

function encryptDecrypt(bytes data, bytes key) external pure returns (bytes result)

Encrypt/decrypt data on chain.

Encrypt/decrypt given data with key. Uses inline assembly. See: https://ethereum.stackexchange.com/questions/69825/decrypt-message-on-chain

Parameters

Name	Type	Description
data	bytes	Bytes of data to encrypt/decrypt.
key	bytes	Secure key used by caller for encryption/decryption.

Returns

Name	Type	Description
result	bytes	Output after encryption/decryption of given data.

encryptedData

function encryptedData(uint256) external view returns (bytes)

Mapping from tokenId of a batch of tokens => to delayed reveal data.

Parameters

Name	Type	Description
_0	uint256	undefined

Returns

Name	Type	Description
_0	bytes	undefined

getRevealURI

function getRevealURI(uint256 _batchId, bytes _key) external view returns (string revealedURI)

Returns revealed URI for a batch of NFTs.

Reveal encrypted base URI for _batchId with caller/admin's _key used for encryption. Reverts if there's no encrypted URI for _batchId. See {encryptDecrypt}.

Parameters

Name	Type	Description
_batchId	uint256	ID of the batch for which URI is being revealed.
_key	bytes	Secure key used by caller/admin for encryption of baseURI.

Returns

Name	Type	Description
revealedURI	string	Decrypted base URI.

isEncryptedBatch

function isEncryptedBatch(uint256 _batchId) external view returns (bool)

Returns whether the relvant batch of NFTs is subject to a delayed reveal.

Returns true if _batchId's base URI is encrypted.

Parameters

Name	Type	Description
_batchId	uint256	ID of a batch of NFTs.

Returns

Name	Type	Description
_0	bool	undefined

reveal

function reveal(uint256 identifier, bytes key) external nonpayable returns (string revealedURI)

Reveals a batch of delayed reveal NFTs.

Parameters

Name	Type	Description
identifier	uint256	The ID for the batch of delayed-reveal NFTs to reveal.
key	bytes	The key with which the base URI for the relevant batch of NFTs was encrypted.

Returns

Name	Type	Description
revealedURI	string	undefined

Events

TokenURIRevealed

event TokenURIRevealed(uint256 indexed index, string revealedURI)

Parameters

Name	Type	Description
index indexed	uint256	undefined
revealedURI	string	undefined