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Add Sapling nullifier calculation #58

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pitmutt merged 4 commits from rav001 into dev040 2024-04-12 18:18:49 +00:00
Conversation 0 Commits 4 Files changed 7 +21 -16
3 changed files with 21 additions and 16 deletions
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32
librustzcash-wrapper/src/lib.rs
View file

@ -240,7 +240,8 @@ impl Haction {
pub struct Hnote {
note: u64,
recipient: Vec<u8>,
memo: Vec<u8>
memo: Vec<u8>,
nullifier: Vec<u8>
}
impl<RW> ToHaskell<RW> for Hnote {
@ -732,6 +733,7 @@ pub extern "C" fn rust_wrapper_sapling_esk_decrypt(
note_len: usize,
external: bool,
net: bool,
pos: u64,
out: *mut u8,
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)};
match result {
Some((n, r, m)) => {
//let nullifier = n.nf(&nk, MerklePath<Node::from_cmu(&n.cmu()), SAPLING_DEPTH>.position());
let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec() };
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(), nullifier: nullifier.to_vec() };
marshall_to_haskell_var(&hn, out, out_len, RW);
},
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);
}
}
},
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);
}
}
},
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);
}
}
@ -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);
match result {
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);
}
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);
}
}
},
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);
}
}
}
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);
}
}
@ -856,17 +858,17 @@ pub extern "C" fn rust_wrapper_orchard_note_decrypt(
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()};
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);
}
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);
}
}
},
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);
}
}
@ -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);
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()};
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);
}
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);
}
}

1
src/C/Zcash.chs
View file

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

4
src/ZcashHaskell/Sapling.hs
View file

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