CHANGELOG.md

@@ -5,10 +5,6 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.5.4.0]
-
-- Function to decode Orchard actions with a spending key
-
 ## [0.5.3.0]
 
 ### Added

librustzcash-wrapper/src/lib.rs

@@ -852,47 +852,6 @@ pub extern "C" fn rust_wrapper_orchard_note_decrypt(
     }
 }
 
-#[no_mangle]
-pub extern "C" fn rust_wrapper_orchard_note_decrypt_sk(
-    key: *const u8,
-    key_len: usize,
-    note: *const u8,
-    note_len: usize,
-    external: bool,
-    out: *mut u8,
-    out_len: &mut usize
-    ){
-    let sk_input: Vec<u8> = marshall_from_haskell_var(key, key_len, RW);
-    let note_input: Haction = marshall_from_haskell_var(note, note_len, RW);
-    let action: Action<Signature<SpendAuth>> = Action::from_parts(
-        Nullifier::from_bytes(&to_array(note_input.nf.bytes)).unwrap(), 
-        VerificationKey::try_from(to_array(note_input.rk.bytes)).unwrap(), 
-        ExtractedNoteCommitment::from_bytes(&to_array(note_input.cmx.bytes)).unwrap(), 
-        TransmittedNoteCiphertext {epk_bytes: to_array(note_input.eph_key.bytes), enc_ciphertext: to_array(note_input.enc_txt.bytes), out_ciphertext: to_array(note_input.out_txt.bytes)}, 
-        ValueCommitment::from_bytes(&to_array(note_input.cv.bytes)).unwrap(), 
-        Signature::from(to_array(note_input.auth.bytes)));
-    let sk_array = to_array(sk_input);
-    let domain = OrchardDomain::for_nullifier(*action.nullifier());
-    let dec_sk = SpendingKey::from_bytes(sk_array).unwrap();
-    let fvk = FullViewingKey::from(&dec_sk);
-    let ivk = if external {
-        fvk.to_ivk(Scope::External)
-    } else {
-        fvk.to_ivk(Scope::Internal)
-    };
-    let pivk = PreparedIncomingViewingKey::new(&ivk);
-    let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action);
-    match result {
-        Some((n, r, m)) => {
-            let hn = Hnote {note: n.value().inner(), recipient: r.to_raw_address_bytes().to_vec(), memo: m.to_vec()};
-            marshall_to_haskell_var(&hn, out, out_len, RW);
-        }
-        None => {
-            let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]};
-            marshall_to_haskell_var(&hn0, out, out_len, RW);
-        }
-    }
-}
 
 #[no_mangle]
 pub extern "C" fn rust_wrapper_tx_read(

src/C/Zcash.chs

@@ -126,14 +126,6 @@ import ZcashHaskell.Types
   -> `()'
 #}
 
-{# fun unsafe rust_wrapper_orchard_note_decrypt_sk as rustWrapperOrchardNoteDecodeSK
-     { toBorshVar* `BS.ByteString'&
-     , toBorshVar* `OrchardAction'&
-     , `Bool'
-     , getVarBuffer `Buffer DecodedNote'&
-     }
-  -> `()'
-#}
 {# fun unsafe rust_wrapper_tx_parse as rustWrapperTxParse
      { toBorshVar* `BS.ByteString'&
      , getVarBuffer `Buffer [BS.ByteString]'&

src/ZcashHaskell/Orchard.hs

@@ -22,7 +22,6 @@ import C.Zcash
   , rustWrapperGenOrchardSpendKey
   , rustWrapperOrchardCheck
   , rustWrapperOrchardNoteDecode
-  , rustWrapperOrchardNoteDecodeSK
   , rustWrapperUADecode
   , rustWrapperUfvkDecode
   )
@@ -154,15 +153,3 @@ decryptOrchardAction key encAction =
     decodedAction =
       withPureBorshVarBuffer $
       rustWrapperOrchardNoteDecode (o_key key) encAction
-
--- | Attemtps to decode the given @OrchardAction@ using the given @OrchardSpendingKey@
-decryptOrchardActionSK ::
-     OrchardSpendingKey -> Scope -> OrchardAction -> Maybe DecodedNote
-decryptOrchardActionSK sk scope oa =
-  case a_value decodedAction of
-    0 -> Nothing
-    _ -> Just decodedAction
-  where
-    decodedAction =
-      withPureBorshVarBuffer $
-      rustWrapperOrchardNoteDecodeSK (getBytes sk) oa (scope == External)

zcash-haskell.cabal

@@ -5,7 +5,7 @@ cabal-version: 3.0
 -- see: https://github.com/sol/hpack
 
 name:           zcash-haskell
-version:        0.5.4.0
+version:        0.5.3.0
 synopsis:       Utilities to interact with the Zcash blockchain
 description:    Please see the README on the repo at <https://git.vergara.tech/Vergara_Tech/zcash-haskell#readme>
 category:       Blockchain