zec
/
orchard
mirror of https://github.com/zcash/orchard.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Prepare keys only once in decrypt_outputs_with_keys

This commit is contained in:
Kris Nuttycombe 2022-10-18 12:37:12 -06:00
parent cb1733d6ad
commit 7080c37532
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/bundle.rs
View File

@ -284,15 +284,18 @@ impl<T: Authorization, V> Bundle<T, V> {
&self,
keys: &[IncomingViewingKey],
) -> Vec<(usize, IncomingViewingKey, Note, Address, [u8; 512])> {
let prepared_keys: Vec<_> = keys
.iter()
.map(|ivk| (ivk, PreparedIncomingViewingKey::new(ivk)))
.collect();
self.actions
.iter()
.enumerate()
.filter_map(|(idx, action)| {
let domain = OrchardDomain::for_action(action);
keys.iter().find_map(move |ivk| {
let prepared_ivk = PreparedIncomingViewingKey::new(ivk);
try_note_decryption(&domain, &prepared_ivk, action)
.map(|(n, a, m)| (idx, ivk.clone(), n, a, m))
prepared_keys.iter().find_map(|(ivk, prepared_ivk)| {
try_note_decryption(&domain, prepared_ivk, action)
.map(|(n, a, m)| (idx, (*ivk).clone(), n, a, m))
})
})
.collect()