IERC721Permit
ERC721 with permit Extension to ERC721 that includes a permit function for signature based approvals
Functions
PERMIT_TYPEHASH
PERMIT_TYPEHASH() pure external
The permit typehash used in the permit signature
Returns:
[0]
bytes32
DOMAIN_SEPARATOR
DOMAIN_SEPARATOR() view external
The domain separator used in the permit signature
Returns:
[0]
bytes32
permit
permit(address,uint256,uint256,uint8,bytes32,bytes32) payable external
Approve of a specific token ID for spending by spender via signature
spender
address
The account that is being approved
tokenId
uint256
The ID of the token that is being approved for spending
deadline
uint256
The deadline timestamp by which the call must be mined for the approve to work
v
uint8
Must produce valid secp256k1 signature from the holder along with `r` and `s`
r
bytes32
Must produce valid secp256k1 signature from the holder along with `v` and `s`
s
bytes32
Must produce valid secp256k1 signature from the holder along with `r` and `v`