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Add -reindex, to perform in-place reindexing of block chain files

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Flushes the blktree/ and coins/ databases, and reindexes the
block chain files, as if their contents was loaded via -loadblock.

Based on earlier work by Jeff Garzik.
This commit is contained in:
Pieter Wuille
2012-10-21 21:23:13 +02:00
parent 7a5b7535bf
commit 7fea484674
11 changed files with 202 additions and 75 deletions
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16
src/txdb.cpp
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@@ -19,7 +19,7 @@ void static BatchWriteHashBestChain(CLevelDBBatch &batch, const uint256 &hash) {
batch.Write('B', hash);
}
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory) : db(GetDataDir() / "coins", nCacheSize, fMemory) {
CCoinsViewDB::CCoinsViewDB(size_t nCacheSize, bool fMemory, bool fWipe) : db(GetDataDir() / "coins", nCacheSize, fMemory, fWipe) {
}
bool CCoinsViewDB::GetCoins(uint256 txid, CCoins &coins) {
@@ -64,7 +64,7 @@ bool CCoinsViewDB::BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockI
return db.WriteBatch(batch);
}
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory) : CLevelDB(GetDataDir() / "blktree", nCacheSize, fMemory) {
CBlockTreeDB::CBlockTreeDB(size_t nCacheSize, bool fMemory, bool fWipe) : CLevelDB(GetDataDir() / "blktree", nCacheSize, fMemory, fWipe) {
}
bool CBlockTreeDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
@@ -94,6 +94,18 @@ bool CBlockTreeDB::WriteLastBlockFile(int nFile) {
return Write('l', nFile);
}
bool CBlockTreeDB::WriteReindexing(bool fReindexing) {
if (fReindexing)
return Write('R', '1');
else
return Erase('R');
}
bool CBlockTreeDB::ReadReindexing(bool &fReindexing) {
fReindexing = Exists('R');
return true;
}
bool CBlockTreeDB::ReadLastBlockFile(int &nFile) {
return Read('l', nFile);
}