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6544ea5035
There is no change in behavior. This just helps prepare for the transition from boost::filesystem to std::filesystem by avoiding calls to methods which will be unsafe after the transaction to std::filesystem to due lack of a boost::filesystem::path::imbue equivalent and inability to set a predictable locale. Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com> Co-authored-by: Kiminuo <kiminuo@protonmail.com> Co-authored-by: MarcoFalke <falke.marco@gmail.com>
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// Copyright (c) 2021 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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//
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#ifndef BITCOIN_TEST_UTIL_CHAINSTATE_H
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#define BITCOIN_TEST_UTIL_CHAINSTATE_H
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#include <clientversion.h>
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#include <fs.h>
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#include <node/context.h>
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#include <node/utxo_snapshot.h>
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#include <rpc/blockchain.h>
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#include <validation.h>
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#include <univalue.h>
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#include <boost/test/unit_test.hpp>
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const auto NoMalleation = [](CAutoFile& file, SnapshotMetadata& meta){};
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/**
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* Create and activate a UTXO snapshot, optionally providing a function to
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* malleate the snapshot.
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*/
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template<typename F = decltype(NoMalleation)>
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static bool
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CreateAndActivateUTXOSnapshot(NodeContext& node, const fs::path root, F malleation = NoMalleation)
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{
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// Write out a snapshot to the test's tempdir.
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//
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int height;
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WITH_LOCK(::cs_main, height = node.chainman->ActiveHeight());
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fs::path snapshot_path = root / tfm::format("test_snapshot.%d.dat", height);
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FILE* outfile{fsbridge::fopen(snapshot_path, "wb")};
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CAutoFile auto_outfile{outfile, SER_DISK, CLIENT_VERSION};
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UniValue result = CreateUTXOSnapshot(node, node.chainman->ActiveChainstate(), auto_outfile);
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BOOST_TEST_MESSAGE(
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"Wrote UTXO snapshot to " << fs::PathToString(snapshot_path.make_preferred()) << ": " << result.write());
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// Read the written snapshot in and then activate it.
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//
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FILE* infile{fsbridge::fopen(snapshot_path, "rb")};
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CAutoFile auto_infile{infile, SER_DISK, CLIENT_VERSION};
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SnapshotMetadata metadata;
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auto_infile >> metadata;
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malleation(auto_infile, metadata);
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return node.chainman->ActivateSnapshot(auto_infile, metadata, /*in_memory*/ true);
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}
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#endif // BITCOIN_TEST_UTIL_CHAINSTATE_H
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