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move-only: unittest: add test/util/chainstate.h

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and move `CreateAndActivateUTXOSnapshot()` into it for reuse
in future test modules.
This commit is contained in:
James O'Beirne 2021-04-07 11:48:02 -04:00
parent 8f5710fd0a
commit 071200993f
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GPG key ID: 7A935DADB2C44F05
3 changed files with 56 additions and 31 deletions
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1
src/Makefile.test_util.include
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@ -9,6 +9,7 @@ EXTRA_LIBRARIES += \
TEST_UTIL_H = \
test/util/blockfilter.h \
test/util/chainstate.h \
test/util/logging.h \
test/util/mining.h \
test/util/net.h \

54
src/test/util/chainstate.h Normal file
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@ -0,0 +1,54 @@
// Copyright (c) 2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
//
#ifndef BITCOIN_TEST_UTIL_CHAINSTATE_H
#define BITCOIN_TEST_UTIL_CHAINSTATE_H
#include <clientversion.h>
#include <fs.h>
#include <node/context.h>
#include <node/utxo_snapshot.h>
#include <rpc/blockchain.h>
#include <validation.h>
#include <univalue.h>
#include <boost/test/unit_test.hpp>
auto NoMalleation = [](CAutoFile& file, SnapshotMetadata& meta){};
/**
* Create and activate a UTXO snapshot, optionally providing a function to
* malleate the snapshot.
*/
template<typename F = decltype(NoMalleation)>
static bool
CreateAndActivateUTXOSnapshot(NodeContext& node, const fs::path root, F malleation = NoMalleation)
{
// Write out a snapshot to the test's tempdir.
//
int height;
WITH_LOCK(::cs_main, height = node.chainman->ActiveHeight());
fs::path snapshot_path = root / tfm::format("test_snapshot.%d.dat", height);
FILE* outfile{fsbridge::fopen(snapshot_path, "wb")};
CAutoFile auto_outfile{outfile, SER_DISK, CLIENT_VERSION};
UniValue result = CreateUTXOSnapshot(node, node.chainman->ActiveChainstate(), auto_outfile);
BOOST_TEST_MESSAGE(
"Wrote UTXO snapshot to " << snapshot_path.make_preferred().string() << ": " << result.write());
// Read the written snapshot in and then activate it.
//
FILE* infile{fsbridge::fopen(snapshot_path, "rb")};
CAutoFile auto_infile{infile, SER_DISK, CLIENT_VERSION};
SnapshotMetadata metadata;
auto_infile >> metadata;
malleation(auto_infile, metadata);
return node.chainman->ActivateSnapshot(auto_infile, metadata, /*in_memory*/ true);
}
#endif // BITCOIN_TEST_UTIL_CHAINSTATE_H

32
src/test/validation_chainstatemanager_tests.cpp
View file

@ -9,12 +9,12 @@
#include <rpc/blockchain.h>
#include <sync.h>
#include <test/util/setup_common.h>
#include <test/util/chainstate.h>
#include <uint256.h>
#include <validation.h>
#include <validationinterface.h>
#include <tinyformat.h>
#include <univalue.h>
#include <vector>
@ -154,36 +154,6 @@ BOOST_AUTO_TEST_CASE(chainstatemanager_rebalance_caches)
BOOST_CHECK_CLOSE(c2.m_coinsdb_cache_size_bytes, max_cache * 0.95, 1);
}
auto NoMalleation = [](CAutoFile& file, SnapshotMetadata& meta){};
template<typename F = decltype(NoMalleation)>
static bool
CreateAndActivateUTXOSnapshot(NodeContext& node, const fs::path root, F malleation = NoMalleation)
{
// Write out a snapshot to the test's tempdir.
//
int height;
WITH_LOCK(::cs_main, height = node.chainman->ActiveHeight());
fs::path snapshot_path = root / tfm::format("test_snapshot.%d.dat", height);
FILE* outfile{fsbridge::fopen(snapshot_path, "wb")};
CAutoFile auto_outfile{outfile, SER_DISK, CLIENT_VERSION};
UniValue result = CreateUTXOSnapshot(node, node.chainman->ActiveChainstate(), auto_outfile);
BOOST_TEST_MESSAGE(
"Wrote UTXO snapshot to " << snapshot_path.make_preferred().string() << ": " << result.write());
// Read the written snapshot in and then activate it.
//
FILE* infile{fsbridge::fopen(snapshot_path, "rb")};
CAutoFile auto_infile{infile, SER_DISK, CLIENT_VERSION};
SnapshotMetadata metadata;
auto_infile >> metadata;
malleation(auto_infile, metadata);
return node.chainman->ActivateSnapshot(auto_infile, metadata, /*in_memory*/ true);
}
//! Test basic snapshot activation.
BOOST_FIXTURE_TEST_CASE(chainstatemanager_activate_snapshot, TestChain100Setup)
{