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node/chainstate: Decouple from ShutdownRequested

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...instead allow optionally passing in a std::function<bool()>
This commit is contained in:
Carl Dong 2021-09-22 15:36:24 -04:00
parent 05441c2dc5
commit 4da9c076d1
3 changed files with 7 additions and 5 deletions
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6
src/node/chainstate.cpp
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@ -6,7 +6,6 @@
#include <chainparams.h> // for CChainParams
#include <node/blockstorage.h> // for CleanupBlockRevFiles, fHavePruned, fReindex
#include <shutdown.h> // for ShutdownRequested
#include <validation.h> // for a lot of things
std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
@ -18,6 +17,7 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
int64_t nBlockTreeDBCache,
int64_t nCoinDBCache,
int64_t nCoinCacheUsage,
std::function<bool()> shutdown_requested,
std::function<void()> coins_error_cb)
{
auto is_coinsview_empty = [&](CChainState* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
@ -45,14 +45,14 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
CleanupBlockRevFiles();
}
if (ShutdownRequested()) return ChainstateLoadingError::SHUTDOWN_PROBED;
if (shutdown_requested && shutdown_requested()) return ChainstateLoadingError::SHUTDOWN_PROBED;
// LoadBlockIndex will load fHavePruned if we've ever removed a
// block file from disk.
// Note that it also sets fReindex based on the disk flag!
// From here on out fReindex and fReset mean something different!
if (!chainman.LoadBlockIndex()) {
if (ShutdownRequested()) return ChainstateLoadingError::SHUTDOWN_PROBED;
if (shutdown_requested && shutdown_requested()) return ChainstateLoadingError::SHUTDOWN_PROBED;
return ChainstateLoadingError::ERROR_LOADING_BLOCK_DB;
}