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refactor(wallet): use shared-key derivation helper

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Artem Gureev 2026-07-01 11:39:42 +00:00 committed by agureev
parent eea069c663
commit d09a4215d8
1 changed files with 14 additions and 23 deletions
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37
lez/wallet/src/lib.rs
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@ -298,35 +298,26 @@ impl WalletCore {
.storage
.key_chain()
.shared_private_account(account_id)?;
let holder = self
.storage
.key_chain()
.group_key_holder(&entry.group_label)?;
let keys = self.storage.key_chain().derive_shared_account_keys(entry)?;
let nsk = keys.nullifier_secret_key;
let npk = keys.generate_nullifier_public_key();
let vpk = keys.generate_viewing_public_key();
let identifier = entry.identifier;
if let (Some(pda_seed), Some(program_id)) = (entry.pda_seed, entry.authority_program_id) {
let keys = holder.derive_keys_for_pda(&program_id, &pda_seed);
if entry.pda_seed.is_some() {
Some(AccountIdentity::PrivatePdaShared {
account_id,
nsk: keys.nullifier_secret_key,
npk: keys.generate_nullifier_public_key(),
vpk: keys.generate_viewing_public_key(),
identifier: entry.identifier,
nsk,
npk,
vpk,
identifier,
})
} else {
let derivation_seed = {
use sha2::Digest as _;
let mut hasher = sha2::Sha256::new();
hasher.update(b"/LEE/v0.3/SharedAccountTag/\x00\x00\x00\x00\x00");
hasher.update(entry.identifier.to_le_bytes());
let result: [u8; 32] = hasher.finalize().into();
result
};
let keys = holder.derive_keys_for_shared_account(&derivation_seed);
Some(AccountIdentity::PrivateShared {
nsk: keys.nullifier_secret_key,
npk: keys.generate_nullifier_public_key(),
vpk: keys.generate_viewing_public_key(),
identifier: entry.identifier,
nsk,
npk,
vpk,
identifier,
})
}
}