Prepare an unsigned sapling spend description using the proving key
The sapling proving context
The address of the input
The randomness of the commitment
The re-randomization of the public key
The value of the input
The root of the merkle tree
The path of the commitment in the tree
The unsinged spend description
StaticfromAllows to instantiate the InMemoryProvingKey from an encrypted/unencrypted spending key
Base58Check-encoded spending key
Optionalpassword: stringOptional password to decrypt the spending key
holds the proving key, create proof for spend descriptions The class can be instantiated from a proving key or a spending key