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Initialize database before checking changed txindex

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In case no database exists yet, and -txindex(=1) is passed, we currently first
check whether fTxIndex differs from -txindex (and ask the user to reindex in
that case), and only afterwards initialize the database. By swapping these
around (the initialization is a no-op in case the database already exists),
we allow it to be born in txindex mode, without warning.

That also means we don't need to check -reindex anymore, as the wiping/reinit
of the databases happens before checking.
This commit is contained in:
Pieter Wuille 2013-06-22 16:03:11 +02:00
parent 905738a15a
commit 067a6092ac
1 changed files with 6 additions and 6 deletions
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12
src/init.cpp
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@ -744,18 +744,18 @@ bool AppInit2(boost::thread_group& threadGroup)
if (!mapBlockIndex.empty() && pindexGenesisBlock == NULL) if (!mapBlockIndex.empty() && pindexGenesisBlock == NULL)
return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?")); return InitError(_("Incorrect or no genesis block found. Wrong datadir for network?"));
// Check for changed -txindex state (only necessary if we are not reindexing anyway)
if (!fReindex && fTxIndex != GetBoolArg("-txindex", false)) {
strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
break;
}
// Initialize the block index (no-op if non-empty database was already loaded) // Initialize the block index (no-op if non-empty database was already loaded)
if (!InitBlockIndex()) { if (!InitBlockIndex()) {
strLoadError = _("Error initializing block database"); strLoadError = _("Error initializing block database");
break; break;
} }
// Check for changed -txindex state
if (fTxIndex != GetBoolArg("-txindex", false)) {
strLoadError = _("You need to rebuild the database using -reindex to change -txindex");
break;
}
uiInterface.InitMessage(_("Verifying blocks...")); uiInterface.InitMessage(_("Verifying blocks..."));
if (!VerifyDB()) { if (!VerifyDB()) {
strLoadError = _("Corrupted block database detected"); strLoadError = _("Corrupted block database detected");