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Add some blockencodings tests
This commit is contained in:
Matt Corallo
parent
f4f8f14adc
commit
e3b2222144
@ -45,6 +45,7 @@ BITCOIN_TESTS =\
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test/base58_tests.cpp \
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test/base58_tests.cpp \
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test/base64_tests.cpp \
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test/base64_tests.cpp \
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test/bip32_tests.cpp \
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test/bip32_tests.cpp \
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test/blockencodings_tests.cpp \
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test/bloom_tests.cpp \
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test/bloom_tests.cpp \
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test/Checkpoints_tests.cpp \
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test/Checkpoints_tests.cpp \
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test/coins_tests.cpp \
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test/coins_tests.cpp \
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315
src/test/blockencodings_tests.cpp
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315
src/test/blockencodings_tests.cpp
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@ -0,0 +1,315 @@
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// Copyright (c) 2011-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "blockencodings.h"
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#include "consensus/merkle.h"
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#include "chainparams.h"
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#include "random.h"
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#include "test/test_bitcoin.h"
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#include <boost/test/unit_test.hpp>
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struct RegtestingSetup : public TestingSetup {
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RegtestingSetup() : TestingSetup(CBaseChainParams::REGTEST) {}
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};
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BOOST_FIXTURE_TEST_SUITE(blockencodings_tests, RegtestingSetup)
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static CBlock BuildBlockTestCase() {
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CBlock block;
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CMutableTransaction tx;
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tx.vin.resize(1);
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tx.vin[0].scriptSig.resize(10);
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tx.vout.resize(1);
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tx.vout[0].nValue = 42;
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block.vtx.resize(3);
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block.vtx[0] = tx;
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block.nVersion = 42;
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block.hashPrevBlock = GetRandHash();
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block.nBits = 0x207fffff;
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tx.vin[0].prevout.hash = GetRandHash();
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tx.vin[0].prevout.n = 0;
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block.vtx[1] = tx;
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tx.vin.resize(10);
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for (size_t i = 0; i < tx.vin.size(); i++) {
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tx.vin[i].prevout.hash = GetRandHash();
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tx.vin[i].prevout.n = 0;
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}
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block.vtx[2] = tx;
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bool mutated;
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block.hashMerkleRoot = BlockMerkleRoot(block, &mutated);
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assert(!mutated);
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while (!CheckProofOfWork(block.GetHash(), block.nBits, Params().GetConsensus())) ++block.nNonce;
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return block;
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}
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// Number of shared use_counts we expect for a tx we havent touched
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// == 2 (mempool + our copy from the GetSharedTx call)
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#define SHARED_TX_OFFSET 2
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BOOST_AUTO_TEST_CASE(SimpleRoundTripTest)
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{
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CTxMemPool pool(CFeeRate(0));
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TestMemPoolEntryHelper entry;
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CBlock block(BuildBlockTestCase());
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pool.addUnchecked(block.vtx[2].GetHash(), entry.FromTx(block.vtx[2]));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 0);
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// Do a simple ShortTxIDs RT
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{
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CBlockHeaderAndShortTxIDs shortIDs(block);
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << shortIDs;
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CBlockHeaderAndShortTxIDs shortIDs2;
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stream >> shortIDs2;
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PartiallyDownloadedBlock partialBlock(&pool);
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BOOST_CHECK(partialBlock.InitData(shortIDs2) == READ_STATUS_OK);
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BOOST_CHECK( partialBlock.IsTxAvailable(0));
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BOOST_CHECK(!partialBlock.IsTxAvailable(1));
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BOOST_CHECK( partialBlock.IsTxAvailable(2));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 1);
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std::list<CTransaction> removed;
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pool.removeRecursive(block.vtx[2], removed);
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BOOST_CHECK_EQUAL(removed.size(), 1);
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CBlock block2;
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std::vector<CTransaction> vtx_missing;
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BOOST_CHECK(partialBlock.FillBlock(block2, vtx_missing) == READ_STATUS_INVALID); // No transactions
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vtx_missing.push_back(block.vtx[2]); // Wrong transaction
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partialBlock.FillBlock(block2, vtx_missing); // Current implementation doesn't check txn here, but don't require that
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bool mutated;
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BOOST_CHECK(block.hashMerkleRoot != BlockMerkleRoot(block2, &mutated));
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vtx_missing[0] = block.vtx[1];
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CBlock block3;
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BOOST_CHECK(partialBlock.FillBlock(block3, vtx_missing) == READ_STATUS_OK);
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BOOST_CHECK_EQUAL(block.GetHash().ToString(), block3.GetHash().ToString());
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BOOST_CHECK_EQUAL(block.hashMerkleRoot.ToString(), BlockMerkleRoot(block3, &mutated).ToString());
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BOOST_CHECK(!mutated);
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}
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}
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class TestHeaderAndShortIDs {
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// Utility to encode custom CBlockHeaderAndShortTxIDs
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public:
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CBlockHeader header;
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uint64_t nonce;
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std::vector<uint64_t> shorttxids;
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std::vector<PrefilledTransaction> prefilledtxn;
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TestHeaderAndShortIDs(const CBlockHeaderAndShortTxIDs& orig) {
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << orig;
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stream >> *this;
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}
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TestHeaderAndShortIDs(const CBlock& block) :
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TestHeaderAndShortIDs(CBlockHeaderAndShortTxIDs(block)) {}
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uint64_t GetShortID(const uint256& txhash) const {
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << *this;
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CBlockHeaderAndShortTxIDs base;
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stream >> base;
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return base.GetShortID(txhash);
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}
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
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READWRITE(header);
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READWRITE(nonce);
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size_t shorttxids_size = shorttxids.size();
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READWRITE(VARINT(shorttxids_size));
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shorttxids.resize(shorttxids_size);
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for (size_t i = 0; i < shorttxids.size(); i++) {
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uint32_t lsb = shorttxids[i] & 0xffffffff;
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uint16_t msb = (shorttxids[i] >> 32) & 0xffff;
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READWRITE(lsb);
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READWRITE(msb);
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shorttxids[i] = (uint64_t(msb) << 32) | uint64_t(lsb);
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}
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READWRITE(prefilledtxn);
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}
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};
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BOOST_AUTO_TEST_CASE(NonCoinbasePreforwardRTTest)
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{
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CTxMemPool pool(CFeeRate(0));
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TestMemPoolEntryHelper entry;
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CBlock block(BuildBlockTestCase());
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pool.addUnchecked(block.vtx[2].GetHash(), entry.FromTx(block.vtx[2]));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 0);
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// Test with pre-forwarding tx 1, but not coinbase
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{
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TestHeaderAndShortIDs shortIDs(block);
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shortIDs.prefilledtxn.resize(1);
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shortIDs.prefilledtxn[0] = {1, block.vtx[1]};
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shortIDs.shorttxids.resize(2);
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shortIDs.shorttxids[0] = shortIDs.GetShortID(block.vtx[0].GetHash());
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shortIDs.shorttxids[1] = shortIDs.GetShortID(block.vtx[2].GetHash());
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << shortIDs;
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CBlockHeaderAndShortTxIDs shortIDs2;
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stream >> shortIDs2;
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PartiallyDownloadedBlock partialBlock(&pool);
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BOOST_CHECK(partialBlock.InitData(shortIDs2) == READ_STATUS_OK);
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BOOST_CHECK(!partialBlock.IsTxAvailable(0));
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BOOST_CHECK( partialBlock.IsTxAvailable(1));
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BOOST_CHECK( partialBlock.IsTxAvailable(2));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 1);
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CBlock block2;
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std::vector<CTransaction> vtx_missing;
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BOOST_CHECK(partialBlock.FillBlock(block2, vtx_missing) == READ_STATUS_INVALID); // No transactions
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vtx_missing.push_back(block.vtx[1]); // Wrong transaction
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partialBlock.FillBlock(block2, vtx_missing); // Current implementation doesn't check txn here, but don't require that
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bool mutated;
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BOOST_CHECK(block.hashMerkleRoot != BlockMerkleRoot(block2, &mutated));
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vtx_missing[0] = block.vtx[0];
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CBlock block3;
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BOOST_CHECK(partialBlock.FillBlock(block3, vtx_missing) == READ_STATUS_OK);
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BOOST_CHECK_EQUAL(block.GetHash().ToString(), block3.GetHash().ToString());
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BOOST_CHECK_EQUAL(block.hashMerkleRoot.ToString(), BlockMerkleRoot(block3, &mutated).ToString());
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BOOST_CHECK(!mutated);
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 1);
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}
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[2].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 0);
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}
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BOOST_AUTO_TEST_CASE(SufficientPreforwardRTTest)
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{
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CTxMemPool pool(CFeeRate(0));
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TestMemPoolEntryHelper entry;
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CBlock block(BuildBlockTestCase());
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pool.addUnchecked(block.vtx[1].GetHash(), entry.FromTx(block.vtx[1]));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[1].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 0);
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// Test with pre-forwarding coinbase + tx 2 with tx 1 in mempool
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{
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TestHeaderAndShortIDs shortIDs(block);
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shortIDs.prefilledtxn.resize(2);
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shortIDs.prefilledtxn[0] = {0, block.vtx[0]};
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shortIDs.prefilledtxn[1] = {1, block.vtx[2]}; // id == 1 as it is 1 after index 1
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shortIDs.shorttxids.resize(1);
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shortIDs.shorttxids[0] = shortIDs.GetShortID(block.vtx[1].GetHash());
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << shortIDs;
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CBlockHeaderAndShortTxIDs shortIDs2;
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stream >> shortIDs2;
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PartiallyDownloadedBlock partialBlock(&pool);
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BOOST_CHECK(partialBlock.InitData(shortIDs2) == READ_STATUS_OK);
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BOOST_CHECK( partialBlock.IsTxAvailable(0));
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BOOST_CHECK( partialBlock.IsTxAvailable(1));
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BOOST_CHECK( partialBlock.IsTxAvailable(2));
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[1].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 1);
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CBlock block2;
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std::vector<CTransaction> vtx_missing;
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BOOST_CHECK(partialBlock.FillBlock(block2, vtx_missing) == READ_STATUS_OK);
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BOOST_CHECK_EQUAL(block.GetHash().ToString(), block2.GetHash().ToString());
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bool mutated;
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BOOST_CHECK_EQUAL(block.hashMerkleRoot.ToString(), BlockMerkleRoot(block2, &mutated).ToString());
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BOOST_CHECK(!mutated);
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[1].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 1);
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}
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BOOST_CHECK_EQUAL(pool.mapTx.find(block.vtx[1].GetHash())->GetSharedTx().use_count(), SHARED_TX_OFFSET + 0);
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}
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BOOST_AUTO_TEST_CASE(EmptyBlockRoundTripTest)
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{
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CTxMemPool pool(CFeeRate(0));
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CMutableTransaction coinbase;
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coinbase.vin.resize(1);
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coinbase.vin[0].scriptSig.resize(10);
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coinbase.vout.resize(1);
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coinbase.vout[0].nValue = 42;
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CBlock block;
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block.vtx.resize(1);
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block.vtx[0] = coinbase;
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block.nVersion = 42;
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block.hashPrevBlock = GetRandHash();
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block.nBits = 0x207fffff;
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bool mutated;
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block.hashMerkleRoot = BlockMerkleRoot(block, &mutated);
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assert(!mutated);
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while (!CheckProofOfWork(block.GetHash(), block.nBits, Params().GetConsensus())) ++block.nNonce;
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// Test simple header round-trip with only coinbase
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{
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CBlockHeaderAndShortTxIDs shortIDs(block);
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << shortIDs;
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CBlockHeaderAndShortTxIDs shortIDs2;
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stream >> shortIDs2;
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PartiallyDownloadedBlock partialBlock(&pool);
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BOOST_CHECK(partialBlock.InitData(shortIDs2) == READ_STATUS_OK);
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BOOST_CHECK(partialBlock.IsTxAvailable(0));
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CBlock block2;
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std::vector<CTransaction> vtx_missing;
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BOOST_CHECK(partialBlock.FillBlock(block2, vtx_missing) == READ_STATUS_OK);
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BOOST_CHECK_EQUAL(block.GetHash().ToString(), block2.GetHash().ToString());
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bool mutated;
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BOOST_CHECK_EQUAL(block.hashMerkleRoot.ToString(), BlockMerkleRoot(block2, &mutated).ToString());
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BOOST_CHECK(!mutated);
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}
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}
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BOOST_AUTO_TEST_CASE(TransactionsRequestSerializationTest) {
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BlockTransactionsRequest req1;
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req1.blockhash = GetRandHash();
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req1.indexes.resize(4);
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req1.indexes[0] = 0;
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req1.indexes[1] = 1;
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req1.indexes[2] = 3;
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req1.indexes[3] = 4;
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CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
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stream << req1;
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BlockTransactionsRequest req2;
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stream >> req2;
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BOOST_CHECK_EQUAL(req1.blockhash.ToString(), req2.blockhash.ToString());
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BOOST_CHECK_EQUAL(req1.indexes.size(), req2.indexes.size());
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BOOST_CHECK_EQUAL(req1.indexes[0], req2.indexes[0]);
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BOOST_CHECK_EQUAL(req1.indexes[1], req2.indexes[1]);
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BOOST_CHECK_EQUAL(req1.indexes[2], req2.indexes[2]);
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BOOST_CHECK_EQUAL(req1.indexes[3], req2.indexes[3]);
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}
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BOOST_AUTO_TEST_SUITE_END()
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