// 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 <interfaces/chain.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);
    auto& active = ChainActive();

    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());

    BOOST_CHECK(!chain->findBlock({}, FoundBlock()));
}

BOOST_AUTO_TEST_CASE(findAncestorByHash)
{
    auto chain = interfaces::MakeChain(m_node);
    auto& active = ChainActive();
    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_SUITE_END()