ERC721Permit
ERC721 with permit
Nonfungible tokens that support an approve via signature, i.e. permit
Variables
bytes32 PERMIT_TYPEHASH constant
The permit typehash used in the permit signature
Developer note: Value is equal to keccak256("Permit(address spender,uint256 tokenId,uint256 nonce,uint256 deadline)");
Functions
DOMAIN_SEPARATOR
function DOMAIN_SEPARATOR() public view returns (bytes32)
view public
The domain separator used in the permit signature
Returns:
permit
function permit(address spender, uint256 tokenId, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external payable
payable external
Approve of a specific token ID for spending by spender via signature