lbrycrd/src/test/merkleblock_tests.cpp

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2018-07-27 00:36:45 +02:00
// Copyright (c) 2012-2018 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 <merkleblock.h>
#include <uint256.h>
#include <test/test_bitcoin.h>
#include <boost/test/unit_test.hpp>
BOOST_FIXTURE_TEST_SUITE(merkleblock_tests, BasicTestingSetup)
/**
* Create a CMerkleBlock using a list of txids which will be found in the
* given block.
*/
BOOST_AUTO_TEST_CASE(merkleblock_construct_from_txids_found)
{
CBlock block = getBlock13b8a();
std::set<uint256> txids;
// Last txn in block.
uint256 txhash1 = uint256S("0x74d681e0e03bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20");
// Second txn in block.
uint256 txhash2 = uint256S("0xf9fc751cb7dc372406a9f8d738d5e6f8f63bab71986a39cf36ee70ee17036d07");
txids.insert(txhash1);
txids.insert(txhash2);
CMerkleBlock merkleBlock(block, txids);
BOOST_CHECK_EQUAL(merkleBlock.header.GetHash().GetHex(), block.GetHash().GetHex());
// vMatchedTxn is only used when bloom filter is specified.
BOOST_CHECK_EQUAL(merkleBlock.vMatchedTxn.size(), 0U);
std::vector<uint256> vMatched;
std::vector<unsigned int> vIndex;
BOOST_CHECK_EQUAL(merkleBlock.txn.ExtractMatches(vMatched, vIndex).GetHex(), block.hashMerkleRoot.GetHex());
BOOST_CHECK_EQUAL(vMatched.size(), 2U);
// Ordered by occurrence in depth-first tree traversal.
BOOST_CHECK_EQUAL(vMatched[0].ToString(), txhash2.ToString());
BOOST_CHECK_EQUAL(vIndex[0], 1U);
BOOST_CHECK_EQUAL(vMatched[1].ToString(), txhash1.ToString());
BOOST_CHECK_EQUAL(vIndex[1], 8U);
}
/**
* Create a CMerkleBlock using a list of txids which will not be found in the
* given block.
*/
BOOST_AUTO_TEST_CASE(merkleblock_construct_from_txids_not_found)
{
CBlock block = getBlock13b8a();
std::set<uint256> txids2;
txids2.insert(uint256S("0xc0ffee00003bafa802c8aa084379aa98d9fcd632ddc2ed9782b586ec87451f20"));
CMerkleBlock merkleBlock(block, txids2);
BOOST_CHECK_EQUAL(merkleBlock.header.GetHash().GetHex(), block.GetHash().GetHex());
BOOST_CHECK_EQUAL(merkleBlock.vMatchedTxn.size(), 0U);
std::vector<uint256> vMatched;
std::vector<unsigned int> vIndex;
BOOST_CHECK_EQUAL(merkleBlock.txn.ExtractMatches(vMatched, vIndex).GetHex(), block.hashMerkleRoot.GetHex());
BOOST_CHECK_EQUAL(vMatched.size(), 0U);
BOOST_CHECK_EQUAL(vIndex.size(), 0U);
}
BOOST_AUTO_TEST_SUITE_END()