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Add Sapling nullifier calculation to decoding

This commit is contained in:
Rene Vergara 2024-04-12 13:15:41 -05:00
parent 0f19e376dc
commit 6a2849aae0
Signed by: pitmutt
GPG Key ID: 65122AD495A7F5B2
3 changed files with 21 additions and 16 deletions
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32
librustzcash-wrapper/src/lib.rs
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@ -240,7 +240,8 @@ impl Haction {
pub struct Hnote { pub struct Hnote {
note: u64, note: u64,
recipient: Vec<u8>, recipient: Vec<u8>,
memo: Vec<u8> memo: Vec<u8>,
nullifier: Vec<u8>
} }
impl<RW> ToHaskell<RW> for Hnote { impl<RW> ToHaskell<RW> for Hnote {
@ -732,6 +733,7 @@ pub extern "C" fn rust_wrapper_sapling_esk_decrypt(
note_len: usize, note_len: usize,
external: bool, external: bool,
net: bool, net: bool,
pos: u64,
out: *mut u8, out: *mut u8,
out_len: &mut usize out_len: &mut usize
){ ){
@ -759,24 +761,24 @@ pub extern "C" fn rust_wrapper_sapling_esk_decrypt(
else {zcash_note_encryption::try_note_decryption(&test_domain, &pivk, &action2)}; else {zcash_note_encryption::try_note_decryption(&test_domain, &pivk, &action2)};
match result { match result {
Some((n, r, m)) => { Some((n, r, m)) => {
//let nullifier = n.nf(&nk, MerklePath<Node::from_cmu(&n.cmu()), SAPLING_DEPTH>.position()); let nullifier = n.nf(&nk, pos);
let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec() }; let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec(), nullifier: nullifier.to_vec() };
marshall_to_haskell_var(&hn, out, out_len, RW); marshall_to_haskell_var(&hn, out, out_len, RW);
}, },
None => { None => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
}, },
Err(_e1) => { Err(_e1) => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] }; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0] };
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
}, },
Err(_e) => { Err(_e) => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] }; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0] };
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
@ -806,23 +808,23 @@ pub extern "C" fn rust_wrapper_sapling_note_decrypt_v2(
let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action3); let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action3);
match result { match result {
Some((n, r, m)) => { Some((n, r, m)) => {
let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec()}; let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec(), nullifier: vec![0]};
marshall_to_haskell_var(&hn, out, out_len, RW); marshall_to_haskell_var(&hn, out, out_len, RW);
} }
None => { None => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
}, },
Err(_e1) => { Err(_e1) => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] }; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] , nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
} }
Err(_e) => { Err(_e) => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
@ -856,17 +858,17 @@ pub extern "C" fn rust_wrapper_orchard_note_decrypt(
let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action); let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action);
match result { match result {
Some((n, r, m)) => { Some((n, r, m)) => {
let hn = Hnote {note: n.value().inner(), recipient: r.to_raw_address_bytes().to_vec(), memo: m.to_vec()}; let hn = Hnote {note: n.value().inner(), recipient: r.to_raw_address_bytes().to_vec(), memo: m.to_vec(), nullifier: vec![0]};
marshall_to_haskell_var(&hn, out, out_len, RW); marshall_to_haskell_var(&hn, out, out_len, RW);
} }
None => { None => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
}, },
None => { None => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }
@ -904,11 +906,11 @@ pub extern "C" fn rust_wrapper_orchard_note_decrypt_sk(
let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action); let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action);
match result { match result {
Some((n, r, m)) => { Some((n, r, m)) => {
let hn = Hnote {note: n.value().inner(), recipient: r.to_raw_address_bytes().to_vec(), memo: m.to_vec()}; let hn = Hnote {note: n.value().inner(), recipient: r.to_raw_address_bytes().to_vec(), memo: m.to_vec(), nullifier: vec![0]};
marshall_to_haskell_var(&hn, out, out_len, RW); marshall_to_haskell_var(&hn, out, out_len, RW);
} }
None => { None => {
let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0]}; let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0], nullifier: vec![0]};
marshall_to_haskell_var(&hn0, out, out_len, RW); marshall_to_haskell_var(&hn0, out, out_len, RW);
} }
} }

1
src/C/Zcash.chs
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@ -107,6 +107,7 @@ import ZcashHaskell.Types
, toBorshVar* `BS.ByteString'& , toBorshVar* `BS.ByteString'&
, `Bool' , `Bool'
, `Bool' , `Bool'
, `Word64'
, getVarBuffer `Buffer DecodedNote'& , getVarBuffer `Buffer DecodedNote'&
} }
-> `()' -> `()'

4
src/ZcashHaskell/Sapling.hs
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@ -121,8 +121,9 @@ decodeSaplingOutputEsk ::
-> ShieldedOutput -> ShieldedOutput
-> ZcashNet -> ZcashNet
-> Scope -> Scope
-> Integer
-> Maybe DecodedNote -> Maybe DecodedNote
decodeSaplingOutputEsk key out znet scope = decodeSaplingOutputEsk key out znet scope pos =
case a_value decodedAction of case a_value decodedAction of
0 -> Nothing 0 -> Nothing
_ -> Just decodedAction _ -> Just decodedAction
@ -134,6 +135,7 @@ decodeSaplingOutputEsk key out znet scope =
(serializeShieldedOutput out) (serializeShieldedOutput out)
(znet == MainNet) (znet == MainNet)
(scope == External) (scope == External)
(fromIntegral pos)
-- | Attempts to obtain a sapling SpendingKey using a HDSeed -- | Attempts to obtain a sapling SpendingKey using a HDSeed
genSaplingSpendingKey :: Seed -> CoinType -> Int -> Maybe SaplingSpendingKey genSaplingSpendingKey :: Seed -> CoinType -> Int -> Maybe SaplingSpendingKey