aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/coins.cpp22
-rw-r--r--src/coins.h6
-rw-r--r--src/main.cpp141
-rw-r--r--src/main.h21
-rw-r--r--src/miner.cpp3
-rw-r--r--src/txmempool.cpp7
-rw-r--r--src/undo.h14
7 files changed, 104 insertions, 110 deletions
diff --git a/src/coins.cpp b/src/coins.cpp
index bc430c9c7e..f4599ff39d 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -31,29 +31,15 @@ void CCoins::CalcMaskSize(unsigned int &nBytes, unsigned int &nNonzeroBytes) con
nBytes += nLastUsedByte;
}
-bool CCoins::Spend(const COutPoint &out, CTxInUndo &undo) {
- if (out.n >= vout.size())
- return false;
- if (vout[out.n].IsNull())
+bool CCoins::Spend(uint32_t nPos)
+{
+ if (nPos >= vout.size() || vout[nPos].IsNull())
return false;
- undo = CTxInUndo(vout[out.n]);
- vout[out.n].SetNull();
+ vout[nPos].SetNull();
Cleanup();
- if (vout.size() == 0) {
- undo.nHeight = nHeight;
- undo.fCoinBase = fCoinBase;
- undo.nVersion = this->nVersion;
- }
return true;
}
-bool CCoins::Spend(int nPos) {
- CTxInUndo undo;
- COutPoint out(0, nPos);
- return Spend(out, undo);
-}
-
-
bool CCoinsView::GetCoins(const uint256 &txid, CCoins &coins) const { return false; }
bool CCoinsView::HaveCoins(const uint256 &txid) const { return false; }
uint256 CCoinsView::GetBestBlock() const { return uint256(0); }
diff --git a/src/coins.h b/src/coins.h
index 9b73ae3a87..2be52ad171 100644
--- a/src/coins.h
+++ b/src/coins.h
@@ -9,7 +9,6 @@
#include "compressor.h"
#include "serialize.h"
#include "uint256.h"
-#include "undo.h"
#include <assert.h>
#include <stdint.h>
@@ -237,11 +236,8 @@ public:
Cleanup();
}
- //! mark an outpoint spent, and construct undo information
- bool Spend(const COutPoint &out, CTxInUndo &undo);
-
//! mark a vout spent
- bool Spend(int nPos);
+ bool Spend(uint32_t nPos);
//! check whether a particular output is still available
bool IsAvailable(unsigned int nPos) const {
diff --git a/src/main.cpp b/src/main.cpp
index 2410230ef4..f6033566ef 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -17,6 +17,7 @@
#include "txdb.h"
#include "txmempool.h"
#include "ui_interface.h"
+#include "undo.h"
#include "util.h"
#include "utilmoneystr.h"
@@ -1383,9 +1384,20 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
if (!tx.IsCoinBase()) {
txundo.vprevout.reserve(tx.vin.size());
BOOST_FOREACH(const CTxIn &txin, tx.vin) {
- txundo.vprevout.push_back(CTxInUndo());
- bool ret = inputs.ModifyCoins(txin.prevout.hash)->Spend(txin.prevout, txundo.vprevout.back());
- assert(ret);
+ CCoinsModifier coins = inputs.ModifyCoins(txin.prevout.hash);
+ unsigned nPos = txin.prevout.n;
+
+ if (nPos >= coins->vout.size() || coins->vout[nPos].IsNull())
+ assert(false);
+ // mark an outpoint spent, and construct undo information
+ txundo.vprevout.push_back(CTxInUndo(coins->vout[nPos]));
+ coins->Spend(nPos);
+ if (coins->vout.size() == 0) {
+ CTxInUndo& undo = txundo.vprevout.back();
+ undo.nHeight = coins->nHeight;
+ undo.fCoinBase = coins->fCoinBase;
+ undo.nVersion = coins->nVersion;
+ }
}
}
@@ -1393,6 +1405,12 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
inputs.ModifyCoins(tx.GetHash())->FromTx(tx, nHeight);
}
+void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, int nHeight)
+{
+ CTxUndo txundo;
+ UpdateCoins(tx, state, inputs, txundo, nHeight);
+}
+
bool CScriptCheck::operator()() {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
if (!VerifyScript(scriptSig, scriptPubKey, nFlags, CachingSignatureChecker(*ptxTo, nIn, cacheStore), &error)) {
@@ -1503,7 +1521,63 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
return true;
}
+namespace {
+
+bool UndoWriteToDisk(const CBlockUndo& blockundo, CDiskBlockPos& pos, const uint256& hashBlock)
+{
+ // Open history file to append
+ CAutoFile fileout(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION);
+ if (fileout.IsNull())
+ return error("%s : OpenUndoFile failed", __func__);
+
+ // Write index header
+ unsigned int nSize = fileout.GetSerializeSize(blockundo);
+ fileout << FLATDATA(Params().MessageStart()) << nSize;
+
+ // Write undo data
+ long fileOutPos = ftell(fileout.Get());
+ if (fileOutPos < 0)
+ return error("%s : ftell failed", __func__);
+ pos.nPos = (unsigned int)fileOutPos;
+ fileout << blockundo;
+
+ // calculate & write checksum
+ CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION);
+ hasher << hashBlock;
+ hasher << blockundo;
+ fileout << hasher.GetHash();
+ return true;
+}
+
+bool UndoReadFromDisk(CBlockUndo& blockundo, const CDiskBlockPos& pos, const uint256& hashBlock)
+{
+ // Open history file to read
+ CAutoFile filein(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION);
+ if (filein.IsNull())
+ return error("%s : OpenBlockFile failed", __func__);
+
+ // Read block
+ uint256 hashChecksum;
+ try {
+ filein >> blockundo;
+ filein >> hashChecksum;
+ }
+ catch (const std::exception& e) {
+ return error("%s : Deserialize or I/O error - %s", __func__, e.what());
+ }
+
+ // Verify checksum
+ CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION);
+ hasher << hashBlock;
+ hasher << blockundo;
+ if (hashChecksum != hasher.GetHash())
+ return error("%s : Checksum mismatch", __func__);
+
+ return true;
+}
+
+} // anon namespace
bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& view, bool* pfClean)
{
@@ -1518,7 +1592,7 @@ bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex
CDiskBlockPos pos = pindex->GetUndoPos();
if (pos.IsNull())
return error("DisconnectBlock() : no undo data available");
- if (!blockUndo.ReadFromDisk(pos, pindex->pprev->GetBlockHash()))
+ if (!UndoReadFromDisk(blockUndo, pos, pindex->pprev->GetBlockHash()))
return error("DisconnectBlock() : failure reading undo data");
if (blockUndo.vtxundo.size() + 1 != block.vtx.size())
@@ -1760,7 +1834,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
CDiskBlockPos pos;
if (!FindUndoPos(state, pindex->nFile, pos, ::GetSerializeSize(blockundo, SER_DISK, CLIENT_VERSION) + 40))
return error("ConnectBlock() : FindUndoPos failed");
- if (!blockundo.WriteToDisk(pos, pindex->pprev->GetBlockHash()))
+ if (!UndoWriteToDisk(blockundo, pos, pindex->pprev->GetBlockHash()))
return state.Abort("Failed to write undo data");
// update nUndoPos in block index
@@ -2926,7 +3000,7 @@ bool CVerifyDB::VerifyDB(CCoinsView *coinsview, int nCheckLevel, int nCheckDepth
CBlockUndo undo;
CDiskBlockPos pos = pindex->GetUndoPos();
if (!pos.IsNull()) {
- if (!undo.ReadFromDisk(pos, pindex->pprev->GetBlockHash()))
+ if (!UndoReadFromDisk(undo, pos, pindex->pprev->GetBlockHash()))
return error("VerifyDB() : *** found bad undo data at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString());
}
}
@@ -4491,61 +4565,6 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
return true;
}
-
-bool CBlockUndo::WriteToDisk(CDiskBlockPos &pos, const uint256 &hashBlock)
-{
- // Open history file to append
- CAutoFile fileout(OpenUndoFile(pos), SER_DISK, CLIENT_VERSION);
- if (fileout.IsNull())
- return error("CBlockUndo::WriteToDisk : OpenUndoFile failed");
-
- // Write index header
- unsigned int nSize = fileout.GetSerializeSize(*this);
- fileout << FLATDATA(Params().MessageStart()) << nSize;
-
- // Write undo data
- long fileOutPos = ftell(fileout.Get());
- if (fileOutPos < 0)
- return error("CBlockUndo::WriteToDisk : ftell failed");
- pos.nPos = (unsigned int)fileOutPos;
- fileout << *this;
-
- // calculate & write checksum
- CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION);
- hasher << hashBlock;
- hasher << *this;
- fileout << hasher.GetHash();
-
- return true;
-}
-
-bool CBlockUndo::ReadFromDisk(const CDiskBlockPos &pos, const uint256 &hashBlock)
-{
- // Open history file to read
- CAutoFile filein(OpenUndoFile(pos, true), SER_DISK, CLIENT_VERSION);
- if (filein.IsNull())
- return error("CBlockUndo::ReadFromDisk : OpenBlockFile failed");
-
- // Read block
- uint256 hashChecksum;
- try {
- filein >> *this;
- filein >> hashChecksum;
- }
- catch (const std::exception& e) {
- return error("%s : Deserialize or I/O error - %s", __func__, e.what());
- }
-
- // Verify checksum
- CHashWriter hasher(SER_GETHASH, PROTOCOL_VERSION);
- hasher << hashBlock;
- hasher << *this;
- if (hashChecksum != hasher.GetHash())
- return error("CBlockUndo::ReadFromDisk : Checksum mismatch");
-
- return true;
-}
-
std::string CBlockFileInfo::ToString() const {
return strprintf("CBlockFileInfo(blocks=%u, size=%u, heights=%u...%u, time=%s...%s)", nBlocks, nSize, nHeightFirst, nHeightLast, DateTimeStrFormat("%Y-%m-%d", nTimeFirst), DateTimeStrFormat("%Y-%m-%d", nTimeLast));
}
diff --git a/src/main.h b/src/main.h
index 662d5756f7..9049f5bb7d 100644
--- a/src/main.h
+++ b/src/main.h
@@ -25,7 +25,6 @@
#include "tinyformat.h"
#include "txmempool.h"
#include "uint256.h"
-#include "undo.h"
#include <algorithm>
#include <exception>
@@ -290,7 +289,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
unsigned int flags, bool cacheStore, std::vector<CScriptCheck> *pvChecks = NULL);
/** Apply the effects of this transaction on the UTXO set represented by view */
-void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight);
+void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, int nHeight);
/** Context-independent validity checks */
bool CheckTransaction(const CTransaction& tx, CValidationState& state);
@@ -302,24 +301,6 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason);
bool IsFinalTx(const CTransaction &tx, int nBlockHeight = 0, int64_t nBlockTime = 0);
-/** Undo information for a CBlock */
-class CBlockUndo
-{
-public:
- std::vector<CTxUndo> vtxundo; // for all but the coinbase
-
- ADD_SERIALIZE_METHODS;
-
- template <typename Stream, typename Operation>
- inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
- READWRITE(vtxundo);
- }
-
- bool WriteToDisk(CDiskBlockPos &pos, const uint256 &hashBlock);
- bool ReadFromDisk(const CDiskBlockPos &pos, const uint256 &hashBlock);
-};
-
-
/**
* Closure representing one script verification
* Note that this stores references to the spending transaction
diff --git a/src/miner.cpp b/src/miner.cpp
index 2133b13e62..0ac974d6e1 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -279,8 +279,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true))
continue;
- CTxUndo txundo;
- UpdateCoins(tx, state, view, txundo, nHeight);
+ UpdateCoins(tx, state, view, nHeight);
// Added
pblock->vtx.push_back(tx);
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 3071ab025c..01bf1ec080 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -585,9 +585,9 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
if (fDependsWait)
waitingOnDependants.push_back(&it->second);
else {
- CValidationState state; CTxUndo undo;
+ CValidationState state;
assert(CheckInputs(tx, state, mempoolDuplicate, false, 0, false, NULL));
- UpdateCoins(tx, state, mempoolDuplicate, undo, 1000000);
+ UpdateCoins(tx, state, mempoolDuplicate, 1000000);
}
}
unsigned int stepsSinceLastRemove = 0;
@@ -601,8 +601,7 @@ void CTxMemPool::check(const CCoinsViewCache *pcoins) const
assert(stepsSinceLastRemove < waitingOnDependants.size());
} else {
assert(CheckInputs(entry->GetTx(), state, mempoolDuplicate, false, 0, false, NULL));
- CTxUndo undo;
- UpdateCoins(entry->GetTx(), state, mempoolDuplicate, undo, 1000000);
+ UpdateCoins(entry->GetTx(), state, mempoolDuplicate, 1000000);
stepsSinceLastRemove = 0;
}
}
diff --git a/src/undo.h b/src/undo.h
index e6d8fd5862..1c4ed95bf2 100644
--- a/src/undo.h
+++ b/src/undo.h
@@ -68,4 +68,18 @@ public:
}
};
+/** Undo information for a CBlock */
+class CBlockUndo
+{
+public:
+ std::vector<CTxUndo> vtxundo; // for all but the coinbase
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action, int nType, int nVersion) {
+ READWRITE(vtxundo);
+ }
+};
+
#endif // BITCOIN_UNDO_H
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-11 09:25:52 +0000