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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2014-2017, Regents of the University of California
*
* This file is part of NDN DeLorean, An Authentication System for Data Archives in
* Named Data Networking. See AUTHORS.md for complete list of NDN DeLorean authors
* and contributors.
*
* NDN DeLorean is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* NDN DeLorean is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with NDN
* DeLorean, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "merkle-tree.hpp"
#include "../tree-generator.hpp"
#include "db-fixture.hpp"
#include <boost/mpl/list.hpp>
#include "boost-test.hpp"
namespace nsl {
namespace tests {
BOOST_FIXTURE_TEST_SUITE(TestMerkleTree, DbFixture)
BOOST_AUTO_TEST_CASE(Basic)
{
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
BOOST_CHECK_EQUAL(merkleTree.getNextLeafSeqNo(), 0);
BOOST_CHECK(merkleTree.getRootHash() == nullptr);
}
template<NonNegativeInteger N, size_t L>
struct MerkleTreeTestParam
{
const NonNegativeInteger leafNo = N;
const size_t rootLevel = L;
};
typedef boost::mpl::list<MerkleTreeTestParam<5, 3>,
MerkleTreeTestParam<32, 5>,
MerkleTreeTestParam<33, 6>,
MerkleTreeTestParam<1024, 10>,
MerkleTreeTestParam<1025, 11>> AddLeafTestParams;
BOOST_AUTO_TEST_CASE_TEMPLATE(AddLeaf, T, AddLeafTestParams)
{
T param;
NonNegativeInteger leafNo = param.leafNo;
size_t rootLevel = param.rootLevel;
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
for (NonNegativeInteger i = 0; i < leafNo ; i++) {
BOOST_REQUIRE(merkleTree.addLeaf(i, Node::getEmptyHash()));
}
auto hash1 = TreeGenerator::getHash(Node::Index(0, rootLevel), leafNo);
auto hash2 = merkleTree.getRootHash();
BOOST_REQUIRE(hash1 != nullptr);
BOOST_REQUIRE(hash2 != nullptr);
BOOST_CHECK_EQUAL_COLLECTIONS(hash1->begin(), hash1->end(), hash2->begin(), hash2->end());
}
class MerkleTreeLoadTestParam1
{
public:
void
insertData(Db& db)
{
// partial first sub-tree
auto subtree1 = TreeGenerator::getSubTreeBinary(Node::Index(0, 5), 5);
db.insertSubTreeData(5, 0, *subtree1->encode(), false, 5);
}
const NonNegativeInteger seqNo = 0;
const size_t level = 3;
const NonNegativeInteger nextLeafSeqNo = 5;
};
class MerkleTreeLoadTestParam2
{
public:
void
insertData(Db& db)
{
// full first sub-tree
auto subtree1 = TreeGenerator::getSubTreeBinary(Node::Index(0, 5), 32);
auto subtree1Data = subtree1->encode();
db.insertSubTreeData(5, 0, *subtree1Data);
auto subtree2 = TreeGenerator::getSubTreeBinary(Node::Index(0, 10), 32);
auto subtree2Data = subtree2->encode();
db.insertSubTreeData(10, 0, *subtree2Data, false, 32);
auto subtree3 = make_shared<SubTreeBinary>(TreeGenerator::LOGGER_NAME,
Node::Index(32, 5),
[&] (const Node::Index&) {},
[&] (const Node::Index&,
const NonNegativeInteger&,
ndn::ConstBufferPtr) {});
auto subtree3Data = subtree3->encode();
db.insertSubTreeData(5, 32, *subtree3Data, false, 32);
}
const NonNegativeInteger seqNo = 0;
const size_t level = 5;
const NonNegativeInteger nextLeafSeqNo = 32;
};
class MerkleTreeLoadTestParam3
{
public:
void
insertData(Db& db)
{
auto subtree1 = TreeGenerator::getSubTreeBinary(Node::Index(0, 15), 1025);
auto subtree1Data = subtree1->encode();
db.insertSubTreeData(15, 0, *subtree1Data, false, 1025);
auto subtree2 = TreeGenerator::getSubTreeBinary(Node::Index(1024, 10), 1025);
auto subtree2Data = subtree2->encode();
db.insertSubTreeData(10, 1024, *subtree2Data, false, 1025);
auto subtree3 = TreeGenerator::getSubTreeBinary(Node::Index(1024, 5), 1025);
auto subtree3Data = subtree3->encode();
db.insertSubTreeData(5, 1024, *subtree3Data, false, 1025);
}
const NonNegativeInteger seqNo = 0;
const size_t level = 11;
const NonNegativeInteger nextLeafSeqNo = 1025;
};
typedef boost::mpl::list<MerkleTreeLoadTestParam1,
MerkleTreeLoadTestParam2,
MerkleTreeLoadTestParam3> DbLoadTestParams;
BOOST_AUTO_TEST_CASE_TEMPLATE(DbLoad, T, DbLoadTestParams)
{
T param;
param.insertData(db);
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
auto hash1 = TreeGenerator::getHash(Node::Index(param.seqNo, param.level), param.nextLeafSeqNo);
auto hash2 = merkleTree.getRootHash();
BOOST_REQUIRE(hash1 != nullptr);
BOOST_REQUIRE(hash2 != nullptr);
BOOST_CHECK_EQUAL_COLLECTIONS(hash1->begin(), hash1->end(), hash2->begin(), hash2->end());
}
BOOST_AUTO_TEST_CASE(DbSave1)
{
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
for (NonNegativeInteger i = 0; i < 5 ; i++) {
BOOST_REQUIRE(merkleTree.addLeaf(i, Node::getEmptyHash()));
}
merkleTree.savePendingTree();
auto data1 = db.getPendingSubTrees()[0];
auto data2 = TreeGenerator::getSubTreeBinary(Node::Index(0, 5), 5)->encode();
BOOST_CHECK(data1->wireEncode() == data2->wireEncode());
}
BOOST_AUTO_TEST_CASE(DbSave2)
{
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
for (NonNegativeInteger i = 0; i < 32 ; i++) {
BOOST_REQUIRE(merkleTree.addLeaf(i, Node::getEmptyHash()));
}
merkleTree.savePendingTree();
auto data1 = db.getPendingSubTrees()[0];
auto data2 = TreeGenerator::getSubTreeBinary(Node::Index(0, 10), 32)->encode();
auto data3 = db.getPendingSubTrees()[1];
auto subtree = make_shared<SubTreeBinary>(TreeGenerator::LOGGER_NAME,
Node::Index(32, 5),
[&] (const Node::Index&) {},
[&] (const Node::Index&,
const NonNegativeInteger&,
ndn::ConstBufferPtr) {});
auto data4 = subtree->encode();
BOOST_CHECK(data1->wireEncode() == data2->wireEncode());
BOOST_CHECK(data3->wireEncode() == data4->wireEncode());
auto dataA = TreeGenerator::getSubTreeBinary(Node::Index(0, 5), 32)->encode();
auto dataB = db.getSubTreeData(5, 0);
BOOST_CHECK(dataA->wireEncode() == dataB->wireEncode());
}
BOOST_AUTO_TEST_CASE(DbSave3)
{
MerkleTree merkleTree(TreeGenerator::LOGGER_NAME, db);
for (NonNegativeInteger i = 0; i < 1025 ; i++) {
BOOST_REQUIRE(merkleTree.addLeaf(i, Node::getEmptyHash()));
}
merkleTree.savePendingTree();
auto data1 = db.getPendingSubTrees()[0];
auto data2 = TreeGenerator::getSubTreeBinary(Node::Index(0, 15), 1025)->encode();
auto data3 = db.getPendingSubTrees()[1];
auto data4 = TreeGenerator::getSubTreeBinary(Node::Index(1024, 10), 1025)->encode();
auto data5 = db.getPendingSubTrees()[2];
auto data6 = TreeGenerator::getSubTreeBinary(Node::Index(1024, 5), 1025)->encode();
BOOST_CHECK(data1->wireEncode() == data2->wireEncode());
BOOST_CHECK(data3->wireEncode() == data4->wireEncode());
BOOST_CHECK(data5->wireEncode() == data6->wireEncode());
for (NonNegativeInteger i = 0; i < 1024 ; i += 32) {
auto dataA = TreeGenerator::getSubTreeBinary(Node::Index(i, 5), i + 32)->encode();
auto dataB = db.getSubTreeData(5, i);
BOOST_CHECK(dataA->wireEncode() == dataB->wireEncode());
}
auto dataA = TreeGenerator::getSubTreeBinary(Node::Index(0, 10), 1024)->encode();
auto dataB = db.getSubTreeData(10, 0);
BOOST_CHECK(dataA->wireEncode() == dataB->wireEncode());
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace tests
} // namespace nsl