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-rw-r--r--src/init.cpp27
1 files changed, 26 insertions, 1 deletions
diff --git a/src/init.cpp b/src/init.cpp
index c5430c1f25..49f80b8b0b 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -112,7 +112,28 @@ bool ShutdownRequested()
return fRequestShutdown;
}
+class CCoinsViewErrorCatcher : public CCoinsViewBacked
+{
+public:
+ CCoinsViewErrorCatcher(CCoinsView* view) : CCoinsViewBacked(view) {}
+ bool GetCoins(const uint256 &txid, CCoins &coins) const {
+ try {
+ return CCoinsViewBacked::GetCoins(txid, coins);
+ } catch(const std::runtime_error& e) {
+ uiInterface.ThreadSafeMessageBox(_("Error reading from database, shutting down."), "", CClientUIInterface::MSG_ERROR);
+ LogPrintf("Error reading from database: %s\n", e.what());
+ // Starting the shutdown sequence and returning false to the caller would be
+ // interpreted as 'entry not found' (as opposed to unable to read data), and
+ // could lead to invalid interpration. Just exit immediately, as we can't
+ // continue anyway, and all writes should be atomic.
+ abort();
+ }
+ }
+ // Writes do not need similar protection, as failure to write is handled by the caller.
+};
+
static CCoinsViewDB *pcoinsdbview = NULL;
+static CCoinsViewErrorCatcher *pcoinscatcher = NULL;
void Shutdown()
{
@@ -155,6 +176,8 @@ void Shutdown()
}
delete pcoinsTip;
pcoinsTip = NULL;
+ delete pcoinscatcher;
+ pcoinscatcher = NULL;
delete pcoinsdbview;
pcoinsdbview = NULL;
delete pblocktree;
@@ -986,11 +1009,13 @@ bool AppInit2(boost::thread_group& threadGroup)
UnloadBlockIndex();
delete pcoinsTip;
delete pcoinsdbview;
+ delete pcoinscatcher;
delete pblocktree;
pblocktree = new CBlockTreeDB(nBlockTreeDBCache, false, fReindex);
pcoinsdbview = new CCoinsViewDB(nCoinDBCache, false, fReindex);
- pcoinsTip = new CCoinsViewCache(pcoinsdbview);
+ pcoinscatcher = new CCoinsViewErrorCatcher(pcoinsdbview);
+ pcoinsTip = new CCoinsViewCache(pcoinscatcher);
if (fReindex)
pblocktree->WriteReindexing(true);