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wallet: restore Orchard secret keys from mnemonic seed

This commit is contained in:
Sean Bowe 2022-03-01 10:06:17 -07:00
parent 49ce03ed79
commit f7824e8cec
No known key found for this signature in database
GPG Key ID: 95684257D8F8B031
1 changed files with 27 additions and 0 deletions
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27
src/wallet/wallet.cpp
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@ -850,12 +850,39 @@ bool CWallet::LoadUnifiedCaches()
{
AssertLockHeld(cs_wallet);
auto seed = GetMnemonicSeed();
for (auto account = mapUnifiedAccountKeys.begin(); account != mapUnifiedAccountKeys.end(); ++account) {
auto ufvkId = account->second;
auto ufvk = GetUnifiedFullViewingKey(ufvkId);
if (!seed.has_value()) {
// We loaded an account but we didn't load the mnemonic seed, so
// we cannot recover the secret keys.
return false;
}
if (ufvk.has_value()) {
auto metadata = mapUfvkAddressMetadata.find(ufvkId);
if (metadata != mapUfvkAddressMetadata.end()) {
auto accountId = metadata->second.GetAccountId();
if (!accountId.has_value()) {
// The account record was not loaded and yet there were
// address records loaded.
return false;
}
auto usk = ZcashdUnifiedSpendingKey::ForAccount(seed.value(), BIP44CoinType(), accountId.value());
if (!usk.has_value()) {
// Unable to generate a unified spending key for this account ID.
return false;
}
// add Orchard spending key to the orchard wallet
{
auto orchardSk = usk.value().GetOrchardKey();
orchardWallet.AddSpendingKey(orchardSk);
}
// restore unified addresses that have been previously generated to the
// keystore
for (const auto &[j, receiverTypes] : metadata->second.GetKnownReceiverSetsByDiversifierIndex()) {