Remove witness site from JSON

lib/src/lightclient.rs

@@ -836,7 +836,6 @@ impl LightClient {
                                 "address"            => LightWallet::note_address(self.config.hrp_sapling_address(), nd),
                                 "spent"              => nd.spent.map(|spent_txid| format!("{}", spent_txid)),
                                 "spent_at_height"    => nd.spent_at_height.map(|h| format!("{}", h)),
-                                "witness_size"       => nd.witnesses.len(),
                                 "unconfirmed_spent"  => nd.unconfirmed_spent.map(|spent_txid| format!("{}", spent_txid)),
                             })
                         }

lib/src/lightwallet/data.rs

@@ -65,7 +65,7 @@ pub struct SaplingNoteData {
     pub(super) extfvk: ExtendedFullViewingKey, // Technically, this should be recoverable from the account number, but we're going to refactor this in the future, so I'll write it again here.
     pub diversifier: Diversifier,
     pub note: Note<Bls12>,
-    pub witnesses: Vec<IncrementalWitness<Node>>,
+    pub(super) witnesses: Vec<IncrementalWitness<Node>>,
     pub(super) nullifier: [u8; 32],
     pub spent: Option<TxId>,             // If this note was confirmed spent
     pub spent_at_height: Option<i32>,        // The height at which this note was spent