Function get_nullifier_membership_witness
pub unconstrained fn get_nullifier_membership_witness(
block_header: BlockHeader,
nullifier: Field,
) -> NullifierMembershipWitness
pub unconstrained fn get_nullifier_membership_witness(
block_header: BlockHeader,
nullifier: Field,
) -> NullifierMembershipWitness
Returns a membership witness for
nullifierin the nullifier tree whose root is defined inblock_header.This is used to prove that a nullifier exists in the tree (inclusion proof).