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wallet: Switch from SaplingSpendingKey to SaplingExtendedSpendingKey

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The wallet now only stores Sapling extended spending keys, and thus can
only be used with keys generated from an HDSeed via ZIP 32.

Note that not all Sapling keys in the wallet will correspond to the
wallet's HDSeed, as a standalone Sapling xsk can be imported via
z_importkey. However, it must have been generated from a seed itself,
and thus is more likely to be backed up elsewhere.
This commit is contained in:
Jack Grigg
2018-08-29 00:07:07 +01:00
parent a4ac4fc3f4
commit 70b4ad2dcd
23 changed files with 190 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
src/wallet/gtest/test_wallet.cpp
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@@ -363,11 +363,13 @@ TEST(WalletTests, SetSaplingNoteAddrsInCWalletTx) {
TestWallet wallet;
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
auto pk = sk.default_address();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto ivk = fvk.in_viewing_key();
auto pk = sk.DefaultAddress();
libzcash::SaplingNote note(pk, 50000);
auto cm = note.cm().get();
@@ -484,10 +486,12 @@ TEST(WalletTests, FindMySaplingNotes) {
TestWallet wallet;
// Generate dummy Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
auto pk = sk.default_address();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto pk = sk.DefaultAddress();
// Generate dummy Sapling note
libzcash::SaplingNote note(pk, 50000);
@@ -618,11 +622,13 @@ TEST(WalletTests, GetConflictedSaplingNotes) {
TestWallet wallet;
// Generate Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto ivk = fvk.in_viewing_key();
auto pk = sk.default_address();
auto pk = sk.DefaultAddress();
ASSERT_TRUE(wallet.AddSaplingZKey(sk));
ASSERT_TRUE(wallet.HaveSaplingSpendingKey(fvk));
@@ -785,10 +791,12 @@ TEST(WalletTests, SaplingNullifierIsSpent) {
TestWallet wallet;
// Generate dummy Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
auto pk = sk.default_address();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto pk = sk.DefaultAddress();
// Generate dummy Sapling note
libzcash::SaplingNote note(pk, 50000);
@@ -880,10 +888,12 @@ TEST(WalletTests, NavigateFromSaplingNullifierToNote) {
TestWallet wallet;
// Generate dummy Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
auto pk = sk.default_address();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto pk = sk.DefaultAddress();
// Generate dummy Sapling note
libzcash::SaplingNote note(pk, 50000);
@@ -1013,11 +1023,13 @@ TEST(WalletTests, SpentSaplingNoteIsFromMe) {
TestWallet wallet;
// Generate Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto ivk = fvk.in_viewing_key();
auto pk = sk.default_address();
auto pk = sk.DefaultAddress();
// Generate Sapling note A
libzcash::SaplingNote note(pk, 50000);
@@ -1705,16 +1717,21 @@ TEST(WalletTests, UpdatedSaplingNoteData) {
TestWallet wallet;
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto m = libzcash::SaplingExtendedSpendingKey::Master(seed);
// Generate dummy Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
auto pk = sk.default_address();
auto sk = m.Derive(0);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto pk = sk.DefaultAddress();
// Generate dummy recipient Sapling address
auto sk2 = libzcash::SaplingSpendingKey::random();
auto fvk2 = sk2.full_viewing_key();
auto pk2 = sk2.default_address();
auto sk2 = m.Derive(1);
auto expsk2 = sk2.expsk;
auto fvk2 = expsk2.full_viewing_key();
auto pk2 = sk2.DefaultAddress();
// Generate dummy Sapling note
libzcash::SaplingNote note(pk, 50000);
@@ -1856,11 +1873,13 @@ TEST(WalletTests, MarkAffectedSaplingTransactionsDirty) {
TestWallet wallet;
// Generate Sapling address
auto sk = libzcash::SaplingSpendingKey::random();
auto expsk = sk.expanded_spending_key();
auto fvk = sk.full_viewing_key();
std::vector<unsigned char, secure_allocator<unsigned char>> rawSeed(32);
HDSeed seed(rawSeed);
auto sk = libzcash::SaplingExtendedSpendingKey::Master(seed);
auto expsk = sk.expsk;
auto fvk = expsk.full_viewing_key();
auto ivk = fvk.in_viewing_key();
auto pk = sk.default_address();
auto pk = sk.DefaultAddress();
ASSERT_TRUE(wallet.AddSaplingZKey(sk));
ASSERT_TRUE(wallet.HaveSaplingSpendingKey(fvk));