Hush Full Node software. We were censored from Github, this is where all development happens now. https://hush.is
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// Copyright (c) 2019-2020 The Hush developers
// Distributed under the GPLv3 software license, see the accompanying
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
#include <gtest/gtest.h>
#include "zcash/Address.hpp"
#include "zcash/Note.hpp"
#include "amount.h"
#include "random.h"
#include "librustzcash.h"
#include <array>
using namespace libzcash;
// Test data from https://github.com/zcash-hackworks/zcash-test-vectors/blob/master/sapling_key_components.py
TEST(SaplingNote, TestVectors)
{
uint64_t v = 0;
uint64_t note_pos = 0;
std::array<uint8_t, 11> diversifier{0xf1, 0x9d, 0x9b, 0x79, 0x7e, 0x39, 0xf3, 0x37, 0x44, 0x58, 0x39};
std::vector<uint8_t> v_sk{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
std::vector<uint8_t> v_pk_d{
0xdb, 0x4c, 0xd2, 0xb0, 0xaa, 0xc4, 0xf7, 0xeb, 0x8c, 0xa1, 0x31, 0xf1, 0x65, 0x67,
0xc4, 0x45, 0xa9, 0x55, 0x51, 0x26, 0xd3, 0xc2, 0x9f, 0x14, 0xe3, 0xd7, 0x76, 0xe8,
0x41, 0xae, 0x74, 0x15};
std::vector<uint8_t> v_r{
0x39, 0x17, 0x6d, 0xac, 0x39, 0xac, 0xe4, 0x98, 0x0e, 0xcc, 0x8d, 0x77, 0x8e, 0x89,
0x86, 0x02, 0x55, 0xec, 0x36, 0x15, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
std::vector<uint8_t> v_cm{
0xcb, 0x3c, 0xf9, 0x15, 0x32, 0x70, 0xd5, 0x7e, 0xb9, 0x14, 0xc6, 0xc2, 0xbc, 0xc0,
0x18, 0x50, 0xc9, 0xfe, 0xd4, 0x4f, 0xce, 0x08, 0x06, 0x27, 0x8f, 0x08, 0x3e, 0xf2,
0xdd, 0x07, 0x64, 0x39};
std::vector<uint8_t> v_nf{
0x44, 0xfa, 0xd6, 0x56, 0x4f, 0xfd, 0xec, 0x9f, 0xa1, 0x9c, 0x43, 0xa2, 0x8f, 0x86,
0x1d, 0x5e, 0xbf, 0x60, 0x23, 0x46, 0x00, 0x7d, 0xe7, 0x62, 0x67, 0xd9, 0x75, 0x27,
0x47, 0xab, 0x40, 0x63};
uint256 sk(v_sk);
uint256 pk_d(v_pk_d);
uint256 r(v_r);
uint256 cm(v_cm);
uint256 nf(v_nf);
// Test commitment
SaplingNote note = SaplingNote(diversifier, pk_d, v, r);
ASSERT_EQ(note.cm().get(), cm);
// Test nullifier
SaplingSpendingKey spendingKey(sk);
ASSERT_EQ(note.nullifier(spendingKey.full_viewing_key(), note_pos), nf);
}
TEST(SaplingNote, Random)
{
// Test creating random notes using the same spending key
auto address = SaplingSpendingKey::random().default_address();
SaplingNote note1(address, GetRand(MAX_MONEY));
SaplingNote note2(address, GetRand(MAX_MONEY));
ASSERT_EQ(note1.d, note2.d);
ASSERT_EQ(note1.pk_d, note2.pk_d);
ASSERT_NE(note1.value(), note2.value());
ASSERT_NE(note1.r, note2.r);
// Test diversifier and pk_d are not the same for different spending keys
SaplingNote note3(SaplingSpendingKey::random().default_address(), GetRand(MAX_MONEY));
ASSERT_NE(note1.d, note3.d);
ASSERT_NE(note1.pk_d, note3.pk_d);
}