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-rw-r--r--src/init.cpp6
-rw-r--r--src/main.cpp46
-rw-r--r--src/main.h2
-rw-r--r--src/test/test_bitcoin.cpp2
4 files changed, 36 insertions, 20 deletions
diff --git a/src/init.cpp b/src/init.cpp
index 2f37dad56c..15a46946fa 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -365,6 +365,8 @@ void ThreadImport(void *data) {
pblocktree->WriteReindexing(false);
fReindex = false;
printf("Reindexing finished\n");
+ // To avoid ending up in a situation without genesis block, re-try initializing (no-op if reindexing worked):
+ InitBlockIndex();
}
}
@@ -802,6 +804,10 @@ bool AppInit2()
if (!LoadBlockIndex())
return InitError(_("Error loading block database"));
+ // Initialize the block index (no-op if non-empty database was already loaded)
+ if (!InitBlockIndex())
+ return InitError(_("Error initializing block database"));
+
uiInterface.InitMessage(_("Verifying block database integrity..."));
if (!VerifyDB())
diff --git a/src/main.cpp b/src/main.cpp
index 847b1ea8a6..ee1d23c337 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2661,18 +2661,22 @@ bool LoadBlockIndex()
if (!fReindex && !LoadBlockIndexDB())
return false;
- //
- // Init with genesis block
- //
- if (mapBlockIndex.empty())
- {
- fTxIndex = GetBoolArg("-txindex", false);
- pblocktree->WriteFlag("txindex", fTxIndex);
- printf("Initializing databases...\n");
+ return true;
+}
- if (fReindex)
- return true;
+bool InitBlockIndex() {
+ // Check whether we're already initialized
+ if (pindexGenesisBlock != NULL)
+ return true;
+
+ // Use the provided setting for -txindex in the new database
+ fTxIndex = GetBoolArg("-txindex", false);
+ pblocktree->WriteFlag("txindex", fTxIndex);
+ printf("Initializing databases...\n");
+
+ // Only add the genesis block if not reindexing (in which case we reuse the one already on disk)
+ if (!fReindex) {
// Genesis Block:
// CBlock(hash=000000000019d6, ver=1, hashPrevBlock=00000000000000, hashMerkleRoot=4a5e1e, nTime=1231006505, nBits=1d00ffff, nNonce=2083236893, vtx=1)
// CTransaction(hash=4a5e1e, ver=1, vin.size=1, vout.size=1, nLockTime=0)
@@ -2713,15 +2717,19 @@ bool LoadBlockIndex()
assert(hash == hashGenesisBlock);
// Start new block file
- unsigned int nBlockSize = ::GetSerializeSize(block, SER_DISK, CLIENT_VERSION);
- CDiskBlockPos blockPos;
- CValidationState state;
- if (!FindBlockPos(state, blockPos, nBlockSize+8, 0, block.nTime))
- return error("AcceptBlock() : FindBlockPos failed");
- if (!block.WriteToDisk(blockPos))
- return error("LoadBlockIndex() : writing genesis block to disk failed");
- if (!block.AddToBlockIndex(state, blockPos))
- return error("LoadBlockIndex() : genesis block not accepted");
+ try {
+ unsigned int nBlockSize = ::GetSerializeSize(block, SER_DISK, CLIENT_VERSION);
+ CDiskBlockPos blockPos;
+ CValidationState state;
+ if (!FindBlockPos(state, blockPos, nBlockSize+8, 0, block.nTime))
+ return error("AcceptBlock() : FindBlockPos failed");
+ if (!block.WriteToDisk(blockPos))
+ return error("LoadBlockIndex() : writing genesis block to disk failed");
+ if (!block.AddToBlockIndex(state, blockPos))
+ return error("LoadBlockIndex() : genesis block not accepted");
+ } catch(std::runtime_error &e) {
+ return error("LoadBlockIndex() : failed to initialize block database: %s", e.what());
+ }
}
return true;
diff --git a/src/main.h b/src/main.h
index 23a4d3ba31..3c7e4e1005 100644
--- a/src/main.h
+++ b/src/main.h
@@ -133,6 +133,8 @@ FILE* OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly = false);
FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly = false);
/** Import blocks from an external file */
bool LoadExternalBlockFile(FILE* fileIn, CDiskBlockPos *dbp = NULL);
+/** Initialize a new block tree database + block data on disk */
+bool InitBlockIndex();
/** Load the block tree and coins database from disk */
bool LoadBlockIndex();
/** Verify consistency of the block and coin databases */
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index f75b762f1f..1116507a34 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -28,7 +28,7 @@ struct TestingSetup {
pblocktree = new CBlockTreeDB(1 << 20, true);
pcoinsdbview = new CCoinsViewDB(1 << 23, true);
pcoinsTip = new CCoinsViewCache(*pcoinsdbview);
- LoadBlockIndex();
+ InitBlockIndex();
bool fFirstRun;
pwalletMain = new CWallet("wallet.dat");
pwalletMain->LoadWallet(fFirstRun);