All access control functions work on ebool | euint8 | euint16 | euint32 | euint64 | euint128 | eaddress.
allow
Grants permission to a specific address.
FHE.allow(encryptedValue, userAddress);
allowThis
Grants permission to the current contract (address(this)).
Call allowThis after modifying encrypted state variables so the contract can use them in future transactions.
euint32 counter = FHE.add(counter, FHE.asEuint32(1));
FHE.allowThis(counter);
allowPublic
Grants public permission — anyone can request decryption off-chain via decryptForTx without a permit.
Once called, the value can be decrypted by anyone. Only use this when you intend to reveal the value publicly (e.g., after an auction closes or when unwrapping tokens).
FHE.allowPublic(highestBid);
allowSender
Grants permission to msg.sender.
FHE.allowSender(encryptedValue);
allowTransient
Grants temporary permission to a specific address for the current transaction only.
FHE.allowTransient(encryptedValue, otherContract);
isAllowed
Checks if an address has permission.
bool hasAccess = FHE.isAllowed(encryptedValue, userAddress);
isPubliclyAllowed
Checks if the value has been granted public access via allowPublic.
bool isPublic = FHE.isPubliclyAllowed(encryptedValue);
