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// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chainparams.h>
#include <consensus/validation.h>
#include <interfaces/chain.h>
#include <script/standard.h>
#include <test/util/setup_common.h>
#include <validation.h>
#include <boost/test/unit_test.hpp>
using interfaces::FoundBlock;
BOOST_FIXTURE_TEST_SUITE(interfaces_tests, TestChain100Setup)
BOOST_AUTO_TEST_CASE(findBlock)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
uint256 hash;
BOOST_CHECK(chain->findBlock(active[10]->GetBlockHash(), FoundBlock().hash(hash)));
BOOST_CHECK_EQUAL(hash, active[10]->GetBlockHash());
int height = -1;
BOOST_CHECK(chain->findBlock(active[20]->GetBlockHash(), FoundBlock().height(height)));
BOOST_CHECK_EQUAL(height, active[20]->nHeight);
CBlock data;
BOOST_CHECK(chain->findBlock(active[30]->GetBlockHash(), FoundBlock().data(data)));
BOOST_CHECK_EQUAL(data.GetHash(), active[30]->GetBlockHash());
int64_t time = -1;
BOOST_CHECK(chain->findBlock(active[40]->GetBlockHash(), FoundBlock().time(time)));
BOOST_CHECK_EQUAL(time, active[40]->GetBlockTime());
int64_t max_time = -1;
BOOST_CHECK(chain->findBlock(active[50]->GetBlockHash(), FoundBlock().maxTime(max_time)));
BOOST_CHECK_EQUAL(max_time, active[50]->GetBlockTimeMax());
int64_t mtp_time = -1;
BOOST_CHECK(chain->findBlock(active[60]->GetBlockHash(), FoundBlock().mtpTime(mtp_time)));
BOOST_CHECK_EQUAL(mtp_time, active[60]->GetMedianTimePast());
bool cur_active{false}, next_active{false};
uint256 next_hash;
BOOST_CHECK_EQUAL(active.Height(), 100);
BOOST_CHECK(chain->findBlock(active[99]->GetBlockHash(), FoundBlock().inActiveChain(cur_active).nextBlock(FoundBlock().inActiveChain(next_active).hash(next_hash))));
BOOST_CHECK(cur_active);
BOOST_CHECK(next_active);
BOOST_CHECK_EQUAL(next_hash, active[100]->GetBlockHash());
cur_active = next_active = false;
BOOST_CHECK(chain->findBlock(active[100]->GetBlockHash(), FoundBlock().inActiveChain(cur_active).nextBlock(FoundBlock().inActiveChain(next_active))));
BOOST_CHECK(cur_active);
BOOST_CHECK(!next_active);
BOOST_CHECK(!chain->findBlock({}, FoundBlock()));
}
BOOST_AUTO_TEST_CASE(findFirstBlockWithTimeAndHeight)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
uint256 hash;
int height;
BOOST_CHECK(chain->findFirstBlockWithTimeAndHeight(/* min_time= */ 0, /* min_height= */ 5, FoundBlock().hash(hash).height(height)));
BOOST_CHECK_EQUAL(hash, active[5]->GetBlockHash());
BOOST_CHECK_EQUAL(height, 5);
BOOST_CHECK(!chain->findFirstBlockWithTimeAndHeight(/* min_time= */ active.Tip()->GetBlockTimeMax() + 1, /* min_height= */ 0));
}
BOOST_AUTO_TEST_CASE(findAncestorByHeight)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
uint256 hash;
BOOST_CHECK(chain->findAncestorByHeight(active[20]->GetBlockHash(), 10, FoundBlock().hash(hash)));
BOOST_CHECK_EQUAL(hash, active[10]->GetBlockHash());
BOOST_CHECK(!chain->findAncestorByHeight(active[10]->GetBlockHash(), 20));
}
BOOST_AUTO_TEST_CASE(findAncestorByHash)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
int height = -1;
BOOST_CHECK(chain->findAncestorByHash(active[20]->GetBlockHash(), active[10]->GetBlockHash(), FoundBlock().height(height)));
BOOST_CHECK_EQUAL(height, 10);
BOOST_CHECK(!chain->findAncestorByHash(active[10]->GetBlockHash(), active[20]->GetBlockHash()));
}
BOOST_AUTO_TEST_CASE(findCommonAncestor)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
auto* orig_tip = active.Tip();
for (int i = 0; i < 10; ++i) {
BlockValidationState state;
ChainstateActive().InvalidateBlock(state, Params(), active.Tip());
}
BOOST_CHECK_EQUAL(active.Height(), orig_tip->nHeight - 10);
coinbaseKey.MakeNewKey(true);
for (int i = 0; i < 20; ++i) {
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
}
BOOST_CHECK_EQUAL(active.Height(), orig_tip->nHeight + 10);
uint256 fork_hash;
int fork_height;
int orig_height;
BOOST_CHECK(chain->findCommonAncestor(orig_tip->GetBlockHash(), active.Tip()->GetBlockHash(), FoundBlock().height(fork_height).hash(fork_hash), FoundBlock().height(orig_height)));
BOOST_CHECK_EQUAL(orig_height, orig_tip->nHeight);
BOOST_CHECK_EQUAL(fork_height, orig_tip->nHeight - 10);
BOOST_CHECK_EQUAL(fork_hash, active[fork_height]->GetBlockHash());
uint256 active_hash, orig_hash;
BOOST_CHECK(!chain->findCommonAncestor(active.Tip()->GetBlockHash(), {}, {}, FoundBlock().hash(active_hash), {}));
BOOST_CHECK(!chain->findCommonAncestor({}, orig_tip->GetBlockHash(), {}, {}, FoundBlock().hash(orig_hash)));
BOOST_CHECK_EQUAL(active_hash, active.Tip()->GetBlockHash());
BOOST_CHECK_EQUAL(orig_hash, orig_tip->GetBlockHash());
}
BOOST_AUTO_TEST_CASE(hasBlocks)
{
auto chain = interfaces::MakeChain(m_node);
const CChain& active = Assert(m_node.chainman)->ActiveChain();
// Test ranges
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 10, 90));
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 10, {}));
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 0, 90));
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 0, {}));
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), -1000, 1000));
active[5]->nStatus &= ~BLOCK_HAVE_DATA;
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 10, 90));
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 10, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, 90));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), -1000, 1000));
active[95]->nStatus &= ~BLOCK_HAVE_DATA;
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 10, 90));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 10, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, 90));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), -1000, 1000));
active[50]->nStatus &= ~BLOCK_HAVE_DATA;
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 10, 90));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 10, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, 90));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 0, {}));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), -1000, 1000));
// Test edge cases
BOOST_CHECK(chain->hasBlocks(active.Tip()->GetBlockHash(), 6, 49));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 5, 49));
BOOST_CHECK(!chain->hasBlocks(active.Tip()->GetBlockHash(), 6, 50));
}
BOOST_AUTO_TEST_SUITE_END()
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