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-rw-r--r--src/validation.cpp189
1 files changed, 70 insertions, 119 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index f3d34dca70..358992b74d 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -15,6 +15,7 @@
#include <consensus/tx_verify.h>
#include <consensus/validation.h>
#include <cuckoocache.h>
+#include <flatfile.h>
#include <hash.h>
#include <index/txindex.h>
#include <policy/fees.h>
@@ -165,7 +166,7 @@ public:
* that it doesn't descend from an invalid block, and then add it to mapBlockIndex.
*/
bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- bool AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const CDiskBlockPos* dbp, bool* fNewBlock) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+ bool AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const FlatFilePos* dbp, bool* fNewBlock) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
// Block (dis)connection on a given view:
DisconnectResult DisconnectBlock(const CBlock& block, const CBlockIndex* pindex, CCoinsViewCache& view);
@@ -204,7 +205,7 @@ private:
void InvalidBlockFound(CBlockIndex *pindex, const CValidationState &state) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
CBlockIndex* FindMostWorkChain() EXCLUSIVE_LOCKS_REQUIRED(cs_main);
- void ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const CDiskBlockPos& pos, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+ void ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const FlatFilePos& pos, const Consensus::Params& consensusParams) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
bool RollforwardBlock(const CBlockIndex* pindex, CCoinsViewCache& inputs, const CChainParams& params) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
@@ -317,7 +318,9 @@ static bool FlushStateToDisk(const CChainParams& chainParams, CValidationState &
static void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight);
static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight);
bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = nullptr);
-static FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly = false);
+static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly = false);
+static FlatFileSeq BlockFileSeq();
+static FlatFileSeq UndoFileSeq();
bool CheckFinalTx(const CTransaction &tx, int flags)
{
@@ -1042,7 +1045,7 @@ bool GetTransaction(const uint256& hash, CTransactionRef& txOut, const Consensus
// CBlock and CBlockIndex
//
-static bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart)
+static bool WriteBlockToDisk(const CBlock& block, FlatFilePos& pos, const CMessageHeader::MessageStartChars& messageStart)
{
// Open history file to append
CAutoFile fileout(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION);
@@ -1063,7 +1066,7 @@ static bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMes
return true;
}
-bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos, const Consensus::Params& consensusParams)
+bool ReadBlockFromDisk(CBlock& block, const FlatFilePos& pos, const Consensus::Params& consensusParams)
{
block.SetNull();
@@ -1089,7 +1092,7 @@ bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos, const Consensus:
bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex, const Consensus::Params& consensusParams)
{
- CDiskBlockPos blockPos;
+ FlatFilePos blockPos;
{
LOCK(cs_main);
blockPos = pindex->GetBlockPos();
@@ -1103,9 +1106,9 @@ bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex, const Consensus
return true;
}
-bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& message_start)
+bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const FlatFilePos& pos, const CMessageHeader::MessageStartChars& message_start)
{
- CDiskBlockPos hpos = pos;
+ FlatFilePos hpos = pos;
hpos.nPos -= 8; // Seek back 8 bytes for meta header
CAutoFile filein(OpenBlockFile(hpos, true), SER_DISK, CLIENT_VERSION);
if (filein.IsNull()) {
@@ -1140,7 +1143,7 @@ bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const CDiskBlockPos& pos,
bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const CBlockIndex* pindex, const CMessageHeader::MessageStartChars& message_start)
{
- CDiskBlockPos block_pos;
+ FlatFilePos block_pos;
{
LOCK(cs_main);
block_pos = pindex->GetBlockPos();
@@ -1452,7 +1455,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
namespace {
-bool UndoWriteToDisk(const CBlockUndo& blockundo, CDiskBlockPos& pos, const uint256& hashBlock, const CMessageHeader::MessageStartChars& messageStart)
+bool UndoWriteToDisk(const CBlockUndo& blockundo, FlatFilePos& pos, const uint256& hashBlock, const CMessageHeader::MessageStartChars& messageStart)
{
// Open history file to append
CAutoFile fileout(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION);
@@ -1481,7 +1484,7 @@ bool UndoWriteToDisk(const CBlockUndo& blockundo, CDiskBlockPos& pos, const uint
static bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex *pindex)
{
- CDiskBlockPos pos = pindex->GetUndoPos();
+ FlatFilePos pos = pindex->GetUndoPos();
if (pos.IsNull()) {
return error("%s: no undo data available", __func__);
}
@@ -1627,37 +1630,24 @@ void static FlushBlockFile(bool fFinalize = false)
{
LOCK(cs_LastBlockFile);
- CDiskBlockPos posOld(nLastBlockFile, 0);
- bool status = true;
-
- FILE *fileOld = OpenBlockFile(posOld);
- if (fileOld) {
- if (fFinalize)
- status &= TruncateFile(fileOld, vinfoBlockFile[nLastBlockFile].nSize);
- status &= FileCommit(fileOld);
- fclose(fileOld);
- }
-
- fileOld = OpenUndoFile(posOld);
- if (fileOld) {
- if (fFinalize)
- status &= TruncateFile(fileOld, vinfoBlockFile[nLastBlockFile].nUndoSize);
- status &= FileCommit(fileOld);
- fclose(fileOld);
- }
+ FlatFilePos block_pos_old(nLastBlockFile, vinfoBlockFile[nLastBlockFile].nSize);
+ FlatFilePos undo_pos_old(nLastBlockFile, vinfoBlockFile[nLastBlockFile].nUndoSize);
+ bool status = true;
+ status &= BlockFileSeq().Flush(block_pos_old, fFinalize);
+ status &= UndoFileSeq().Flush(undo_pos_old, fFinalize);
if (!status) {
AbortNode("Flushing block file to disk failed. This is likely the result of an I/O error.");
}
}
-static bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize);
+static bool FindUndoPos(CValidationState &state, int nFile, FlatFilePos &pos, unsigned int nAddSize);
static bool WriteUndoDataForBlock(const CBlockUndo& blockundo, CValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams)
{
// Write undo information to disk
if (pindex->GetUndoPos().IsNull()) {
- CDiskBlockPos _pos;
+ FlatFilePos _pos;
if (!FindUndoPos(state, pindex->nFile, _pos, ::GetSerializeSize(blockundo, CLIENT_VERSION) + 40))
return error("ConnectBlock(): FindUndoPos failed");
if (!UndoWriteToDisk(blockundo, _pos, pindex->pprev->GetBlockHash(), chainparams.MessageStart()))
@@ -2134,8 +2124,9 @@ bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &
// Write blocks and block index to disk.
if (fDoFullFlush || fPeriodicWrite) {
// Depend on nMinDiskSpace to ensure we can write block index
- if (!CheckDiskSpace(0, true))
- return state.Error("out of disk space");
+ if (!CheckDiskSpace(GetBlocksDir())) {
+ return AbortNode(state, "Disk space is low!", _("Error: Disk space is low!"));
+ }
// First make sure all block and undo data is flushed to disk.
FlushBlockFile();
// Then update all block file information (which may refer to block and undo files).
@@ -2168,8 +2159,9 @@ bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &
// twice (once in the log, and once in the tables). This is already
// an overestimation, as most will delete an existing entry or
// overwrite one. Still, use a conservative safety factor of 2.
- if (!CheckDiskSpace(48 * 2 * 2 * pcoinsTip->GetCacheSize()))
- return state.Error("out of disk space");
+ if (!CheckDiskSpace(GetDataDir(), 48 * 2 * 2 * pcoinsTip->GetCacheSize())) {
+ return AbortNode(state, "Disk space is low!", _("Error: Disk space is low!"));
+ }
// Flush the chainstate (which may refer to block index entries).
if (!pcoinsTip->Flush())
return AbortNode(state, "Failed to write to coin database");
@@ -2922,7 +2914,7 @@ CBlockIndex* CChainState::AddToBlockIndex(const CBlockHeader& block)
}
/** Mark a block as having its data received and checked (up to BLOCK_VALID_TRANSACTIONS). */
-void CChainState::ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const CDiskBlockPos& pos, const Consensus::Params& consensusParams)
+void CChainState::ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pindexNew, const FlatFilePos& pos, const Consensus::Params& consensusParams)
{
pindexNew->nTx = block.vtx.size();
pindexNew->nChainTx = 0;
@@ -2968,7 +2960,7 @@ void CChainState::ReceivedBlockTransactions(const CBlock& block, CBlockIndex* pi
}
}
-static bool FindBlockPos(CDiskBlockPos &pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown = false)
+static bool FindBlockPos(FlatFilePos &pos, unsigned int nAddSize, unsigned int nHeight, uint64_t nTime, bool fKnown = false)
{
LOCK(cs_LastBlockFile);
@@ -3003,21 +2995,13 @@ static bool FindBlockPos(CDiskBlockPos &pos, unsigned int nAddSize, unsigned int
vinfoBlockFile[nFile].nSize += nAddSize;
if (!fKnown) {
- unsigned int nOldChunks = (pos.nPos + BLOCKFILE_CHUNK_SIZE - 1) / BLOCKFILE_CHUNK_SIZE;
- unsigned int nNewChunks = (vinfoBlockFile[nFile].nSize + BLOCKFILE_CHUNK_SIZE - 1) / BLOCKFILE_CHUNK_SIZE;
- if (nNewChunks > nOldChunks) {
- if (fPruneMode)
- fCheckForPruning = true;
- if (CheckDiskSpace(nNewChunks * BLOCKFILE_CHUNK_SIZE - pos.nPos, true)) {
- FILE *file = OpenBlockFile(pos);
- if (file) {
- LogPrintf("Pre-allocating up to position 0x%x in blk%05u.dat\n", nNewChunks * BLOCKFILE_CHUNK_SIZE, pos.nFile);
- AllocateFileRange(file, pos.nPos, nNewChunks * BLOCKFILE_CHUNK_SIZE - pos.nPos);
- fclose(file);
- }
- }
- else
- return error("out of disk space");
+ bool out_of_space;
+ size_t bytes_allocated = BlockFileSeq().Allocate(pos, nAddSize, out_of_space);
+ if (out_of_space) {
+ return AbortNode("Disk space is low!", _("Error: Disk space is low!"));
+ }
+ if (bytes_allocated != 0 && fPruneMode) {
+ fCheckForPruning = true;
}
}
@@ -3025,32 +3009,23 @@ static bool FindBlockPos(CDiskBlockPos &pos, unsigned int nAddSize, unsigned int
return true;
}
-static bool FindUndoPos(CValidationState &state, int nFile, CDiskBlockPos &pos, unsigned int nAddSize)
+static bool FindUndoPos(CValidationState &state, int nFile, FlatFilePos &pos, unsigned int nAddSize)
{
pos.nFile = nFile;
LOCK(cs_LastBlockFile);
- unsigned int nNewSize;
pos.nPos = vinfoBlockFile[nFile].nUndoSize;
- nNewSize = vinfoBlockFile[nFile].nUndoSize += nAddSize;
+ vinfoBlockFile[nFile].nUndoSize += nAddSize;
setDirtyFileInfo.insert(nFile);
- unsigned int nOldChunks = (pos.nPos + UNDOFILE_CHUNK_SIZE - 1) / UNDOFILE_CHUNK_SIZE;
- unsigned int nNewChunks = (nNewSize + UNDOFILE_CHUNK_SIZE - 1) / UNDOFILE_CHUNK_SIZE;
- if (nNewChunks > nOldChunks) {
- if (fPruneMode)
- fCheckForPruning = true;
- if (CheckDiskSpace(nNewChunks * UNDOFILE_CHUNK_SIZE - pos.nPos, true)) {
- FILE *file = OpenUndoFile(pos);
- if (file) {
- LogPrintf("Pre-allocating up to position 0x%x in rev%05u.dat\n", nNewChunks * UNDOFILE_CHUNK_SIZE, pos.nFile);
- AllocateFileRange(file, pos.nPos, nNewChunks * UNDOFILE_CHUNK_SIZE - pos.nPos);
- fclose(file);
- }
- }
- else
- return state.Error("out of disk space");
+ bool out_of_space;
+ size_t bytes_allocated = UndoFileSeq().Allocate(pos, nAddSize, out_of_space);
+ if (out_of_space) {
+ return AbortNode(state, "Disk space is low!", _("Error: Disk space is low!"));
+ }
+ if (bytes_allocated != 0 && fPruneMode) {
+ fCheckForPruning = true;
}
return true;
@@ -3435,26 +3410,26 @@ bool ProcessNewBlockHeaders(const std::vector<CBlockHeader>& headers, CValidatio
}
/** Store block on disk. If dbp is non-nullptr, the file is known to already reside on disk */
-static CDiskBlockPos SaveBlockToDisk(const CBlock& block, int nHeight, const CChainParams& chainparams, const CDiskBlockPos* dbp) {
+static FlatFilePos SaveBlockToDisk(const CBlock& block, int nHeight, const CChainParams& chainparams, const FlatFilePos* dbp) {
unsigned int nBlockSize = ::GetSerializeSize(block, CLIENT_VERSION);
- CDiskBlockPos blockPos;
+ FlatFilePos blockPos;
if (dbp != nullptr)
blockPos = *dbp;
if (!FindBlockPos(blockPos, nBlockSize+8, nHeight, block.GetBlockTime(), dbp != nullptr)) {
error("%s: FindBlockPos failed", __func__);
- return CDiskBlockPos();
+ return FlatFilePos();
}
if (dbp == nullptr) {
if (!WriteBlockToDisk(block, blockPos, chainparams.MessageStart())) {
AbortNode("Failed to write block");
- return CDiskBlockPos();
+ return FlatFilePos();
}
}
return blockPos;
}
/** Store block on disk. If dbp is non-nullptr, the file is known to already reside on disk */
-bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const CDiskBlockPos* dbp, bool* fNewBlock)
+bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CValidationState& state, const CChainParams& chainparams, CBlockIndex** ppindex, bool fRequested, const FlatFilePos* dbp, bool* fNewBlock)
{
const CBlock& block = *pblock;
@@ -3516,7 +3491,7 @@ bool CChainState::AcceptBlock(const std::shared_ptr<const CBlock>& pblock, CVali
// Write block to history file
if (fNewBlock) *fNewBlock = true;
try {
- CDiskBlockPos blockPos = SaveBlockToDisk(block, pindex->nHeight, chainparams, dbp);
+ FlatFilePos blockPos = SaveBlockToDisk(block, pindex->nHeight, chainparams, dbp);
if (blockPos.IsNull()) {
state.Error(strprintf("%s: Failed to find position to write new block to disk", __func__));
return false;
@@ -3647,9 +3622,9 @@ void PruneOneBlockFile(const int fileNumber)
void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune)
{
for (std::set<int>::iterator it = setFilesToPrune.begin(); it != setFilesToPrune.end(); ++it) {
- CDiskBlockPos pos(*it, 0);
- fs::remove(GetBlockPosFilename(pos, "blk"));
- fs::remove(GetBlockPosFilename(pos, "rev"));
+ FlatFilePos pos(*it, 0);
+ fs::remove(BlockFileSeq().FileName(pos));
+ fs::remove(UndoFileSeq().FileName(pos));
LogPrintf("Prune: %s deleted blk/rev (%05u)\n", __func__, *it);
}
}
@@ -3757,52 +3732,28 @@ static void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfte
nLastBlockWeCanPrune, count);
}
-bool CheckDiskSpace(uint64_t nAdditionalBytes, bool blocks_dir)
+static FlatFileSeq BlockFileSeq()
{
- uint64_t nFreeBytesAvailable = fs::space(blocks_dir ? GetBlocksDir() : GetDataDir()).available;
-
- // Check for nMinDiskSpace bytes (currently 50MB)
- if (nFreeBytesAvailable < nMinDiskSpace + nAdditionalBytes)
- return AbortNode("Disk space is low!", _("Error: Disk space is low!"));
-
- return true;
+ return FlatFileSeq(GetBlocksDir(), "blk", BLOCKFILE_CHUNK_SIZE);
}
-static FILE* OpenDiskFile(const CDiskBlockPos &pos, const char *prefix, bool fReadOnly)
+static FlatFileSeq UndoFileSeq()
{
- if (pos.IsNull())
- return nullptr;
- fs::path path = GetBlockPosFilename(pos, prefix);
- fs::create_directories(path.parent_path());
- FILE* file = fsbridge::fopen(path, fReadOnly ? "rb": "rb+");
- if (!file && !fReadOnly)
- file = fsbridge::fopen(path, "wb+");
- if (!file) {
- LogPrintf("Unable to open file %s\n", path.string());
- return nullptr;
- }
- if (pos.nPos) {
- if (fseek(file, pos.nPos, SEEK_SET)) {
- LogPrintf("Unable to seek to position %u of %s\n", pos.nPos, path.string());
- fclose(file);
- return nullptr;
- }
- }
- return file;
+ return FlatFileSeq(GetBlocksDir(), "rev", UNDOFILE_CHUNK_SIZE);
}
-FILE* OpenBlockFile(const CDiskBlockPos &pos, bool fReadOnly) {
- return OpenDiskFile(pos, "blk", fReadOnly);
+FILE* OpenBlockFile(const FlatFilePos &pos, bool fReadOnly) {
+ return BlockFileSeq().Open(pos, fReadOnly);
}
/** Open an undo file (rev?????.dat) */
-static FILE* OpenUndoFile(const CDiskBlockPos &pos, bool fReadOnly) {
- return OpenDiskFile(pos, "rev", fReadOnly);
+static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly) {
+ return UndoFileSeq().Open(pos, fReadOnly);
}
-fs::path GetBlockPosFilename(const CDiskBlockPos &pos, const char *prefix)
+fs::path GetBlockPosFilename(const FlatFilePos &pos)
{
- return GetBlocksDir() / strprintf("%s%05u.dat", prefix, pos.nFile);
+ return BlockFileSeq().FileName(pos);
}
CBlockIndex * CChainState::InsertBlockIndex(const uint256& hash)
@@ -3909,7 +3860,7 @@ bool static LoadBlockIndexDB(const CChainParams& chainparams) EXCLUSIVE_LOCKS_RE
}
for (std::set<int>::iterator it = setBlkDataFiles.begin(); it != setBlkDataFiles.end(); it++)
{
- CDiskBlockPos pos(*it, 0);
+ FlatFilePos pos(*it, 0);
if (CAutoFile(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION).IsNull()) {
return false;
}
@@ -4342,7 +4293,7 @@ bool CChainState::LoadGenesisBlock(const CChainParams& chainparams)
try {
const CBlock& block = chainparams.GenesisBlock();
- CDiskBlockPos blockPos = SaveBlockToDisk(block, 0, chainparams, nullptr);
+ FlatFilePos blockPos = SaveBlockToDisk(block, 0, chainparams, nullptr);
if (blockPos.IsNull())
return error("%s: writing genesis block to disk failed", __func__);
CBlockIndex *pindex = AddToBlockIndex(block);
@@ -4359,10 +4310,10 @@ bool LoadGenesisBlock(const CChainParams& chainparams)
return g_chainstate.LoadGenesisBlock(chainparams);
}
-bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskBlockPos *dbp)
+bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, FlatFilePos *dbp)
{
// Map of disk positions for blocks with unknown parent (only used for reindex)
- static std::multimap<uint256, CDiskBlockPos> mapBlocksUnknownParent;
+ static std::multimap<uint256, FlatFilePos> mapBlocksUnknownParent;
int64_t nStart = GetTimeMillis();
int nLoaded = 0;
@@ -4448,9 +4399,9 @@ bool LoadExternalBlockFile(const CChainParams& chainparams, FILE* fileIn, CDiskB
while (!queue.empty()) {
uint256 head = queue.front();
queue.pop_front();
- std::pair<std::multimap<uint256, CDiskBlockPos>::iterator, std::multimap<uint256, CDiskBlockPos>::iterator> range = mapBlocksUnknownParent.equal_range(head);
+ std::pair<std::multimap<uint256, FlatFilePos>::iterator, std::multimap<uint256, FlatFilePos>::iterator> range = mapBlocksUnknownParent.equal_range(head);
while (range.first != range.second) {
- std::multimap<uint256, CDiskBlockPos>::iterator it = range.first;
+ std::multimap<uint256, FlatFilePos>::iterator it = range.first;
std::shared_ptr<CBlock> pblockrecursive = std::make_shared<CBlock>();
if (ReadBlockFromDisk(*pblockrecursive, it->second, chainparams.GetConsensus()))
{
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-15 06:38:17 +0000