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-rw-r--r--src/main.h138
1 files changed, 58 insertions, 80 deletions
diff --git a/src/main.h b/src/main.h
index a690a2bc9c..fc60ccc0b5 100644
--- a/src/main.h
+++ b/src/main.h
@@ -5,6 +5,10 @@
#ifndef BITCOIN_MAIN_H
#define BITCOIN_MAIN_H
+#if defined(HAVE_CONFIG_H)
+#include "bitcoin-config.h"
+#endif
+
#include "core.h"
#include "bignum.h"
#include "sync.h"
@@ -70,20 +74,12 @@ extern CScript COINBASE_FLAGS;
extern CCriticalSection cs_main;
extern std::map<uint256, CBlockIndex*> mapBlockIndex;
-extern std::vector<CBlockIndex*> vBlockIndexByHeight;
extern std::set<CBlockIndex*, CBlockIndexWorkComparator> setBlockIndexValid;
-extern CBlockIndex* pindexGenesisBlock;
-extern int nBestHeight;
-extern uint256 nBestChainWork;
extern uint256 nBestInvalidWork;
-extern uint256 hashBestChain;
-extern CBlockIndex* pindexBest;
extern unsigned int nTransactionsUpdated;
extern uint64 nLastBlockTx;
extern uint64 nLastBlockSize;
extern const std::string strMessageMagic;
-extern double dHashesPerSec;
-extern int64 nHPSTimerStart;
extern int64 nTimeBestReceived;
extern CCriticalSection cs_setpwalletRegistered;
extern std::set<CWallet*> setpwalletRegistered;
@@ -151,8 +147,6 @@ void UnloadBlockIndex();
bool VerifyDB(int nCheckLevel, int nCheckDepth);
/** Print the loaded block tree */
void PrintBlockTree();
-/** Find a block by height in the currently-connected chain */
-CBlockIndex* FindBlockByHeight(int nHeight);
/** Process protocol messages received from a given node */
bool ProcessMessages(CNode* pfrom);
/** Send queued protocol messages to be sent to a give node */
@@ -651,7 +645,7 @@ public:
if (nBlocks==0 || nTimeFirst > nTimeIn)
nTimeFirst = nTimeIn;
nBlocks++;
- if (nHeightIn > nHeightFirst)
+ if (nHeightIn > nHeightLast)
nHeightLast = nHeightIn;
if (nTimeIn > nTimeLast)
nTimeLast = nTimeIn;
@@ -817,15 +811,6 @@ public:
return (CBigNum(1)<<256) / (bnTarget+1);
}
- bool IsInMainChain() const
- {
- return nHeight < (int)vBlockIndexByHeight.size() && vBlockIndexByHeight[nHeight] == this;
- }
-
- CBlockIndex *GetNextInMainChain() const {
- return nHeight+1 >= (int)vBlockIndexByHeight.size() ? NULL : vBlockIndexByHeight[nHeight+1];
- }
-
bool CheckIndex() const
{
return CheckProofOfWork(GetBlockHash(), nBits);
@@ -847,17 +832,7 @@ public:
return pbegin[(pend - pbegin)/2];
}
- int64 GetMedianTime() const
- {
- const CBlockIndex* pindex = this;
- for (int i = 0; i < nMedianTimeSpan/2; i++)
- {
- if (!pindex->GetNextInMainChain())
- return GetBlockTime();
- pindex = pindex->GetNextInMainChain();
- }
- return pindex->GetMedianTimePast();
- }
+ int64 GetMedianTime() const;
/**
* Returns true if there are nRequired or more blocks of minVersion or above
@@ -868,15 +843,15 @@ public:
std::string ToString() const
{
- return strprintf("CBlockIndex(pprev=%p, pnext=%p, nHeight=%d, merkle=%s, hashBlock=%s)",
- pprev, GetNextInMainChain(), nHeight,
+ return strprintf("CBlockIndex(pprev=%p, nHeight=%d, merkle=%s, hashBlock=%s)",
+ pprev, nHeight,
hashMerkleRoot.ToString().c_str(),
GetBlockHash().ToString().c_str());
}
void print() const
{
- printf("%s\n", ToString().c_str());
+ LogPrintf("%s\n", ToString().c_str());
}
};
@@ -958,7 +933,7 @@ public:
void print() const
{
- printf("%s\n", ToString().c_str());
+ LogPrintf("%s\n", ToString().c_str());
}
};
@@ -1009,64 +984,67 @@ public:
}
};
+/** An in-memory indexed chain of blocks. */
+class CChain {
+private:
+ std::vector<CBlockIndex*> vChain;
-
-
-
-
-
-/** Describes a place in the block chain to another node such that if the
- * other node doesn't have the same branch, it can find a recent common trunk.
- * The further back it is, the further before the fork it may be.
- */
-class CBlockLocator
-{
-protected:
- std::vector<uint256> vHave;
public:
- CBlockLocator() {}
+ /** Returns the index entry for the genesis block of this chain, or NULL if none. */
+ CBlockIndex *Genesis() const {
+ return vChain.size() > 0 ? vChain[0] : NULL;
+ }
- explicit CBlockLocator(const CBlockIndex* pindex)
- {
- Set(pindex);
+ /** Returns the index entry for the tip of this chain, or NULL if none. */
+ CBlockIndex *Tip() const {
+ return vChain.size() > 0 ? vChain[vChain.size() - 1] : NULL;
}
- explicit CBlockLocator(uint256 hashBlock);
+ /** Returns the index entry at a particular height in this chain, or NULL if no such height exists. */
+ CBlockIndex *operator[](int nHeight) const {
+ if (nHeight < 0 || nHeight >= (int)vChain.size())
+ return NULL;
+ return vChain[nHeight];
+ }
- CBlockLocator(const std::vector<uint256>& vHaveIn)
- {
- vHave = vHaveIn;
+ /** Compare two chains efficiently. */
+ friend bool operator==(const CChain &a, const CChain &b) {
+ return a.vChain.size() == b.vChain.size() &&
+ a.vChain[a.vChain.size() - 1] == b.vChain[b.vChain.size() - 1];
}
- IMPLEMENT_SERIALIZE
- (
- if (!(nType & SER_GETHASH))
- READWRITE(nVersion);
- READWRITE(vHave);
- )
+ /** Efficiently check whether a block is present in this chain. */
+ bool Contains(const CBlockIndex *pindex) const {
+ return (*this)[pindex->nHeight] == pindex;
+ }
- void SetNull()
- {
- vHave.clear();
+ /** Find the successor of a block in this chain, or NULL if the given index is not found or is the tip. */
+ CBlockIndex *Next(const CBlockIndex *pindex) const {
+ if (Contains(pindex))
+ return (*this)[pindex->nHeight + 1];
+ else
+ return NULL;
}
- bool IsNull()
- {
- return vHave.empty();
+ /** Return the maximal height in the chain. Is equal to chain.Tip() ? chain.Tip()->nHeight : -1. */
+ int Height() const {
+ return vChain.size() - 1;
}
- /** Given a block initialises the locator to that point in the chain. */
- void Set(const CBlockIndex* pindex);
- /** Returns the distance in blocks this locator is from our chain head. */
- int GetDistanceBack();
- /** Returns the first best-chain block the locator contains. */
- CBlockIndex* GetBlockIndex();
- /** Returns the hash of the first best chain block the locator contains. */
- uint256 GetBlockHash();
- /** Returns the height of the first best chain block the locator has. */
- int GetHeight();
+ /** Set/initialize a chain with a given tip. Returns the forking point. */
+ CBlockIndex *SetTip(CBlockIndex *pindex);
+
+ /** Return a CBlockLocator that refers to a block in this chain (by default the tip). */
+ CBlockLocator GetLocator(const CBlockIndex *pindex = NULL) const;
+
+ /** Find the last common block between this chain and a locator. */
+ CBlockIndex *FindFork(const CBlockLocator &locator) const;
};
+/** The currently-connected chain of blocks. */
+extern CChain chainActive;
+
+
@@ -1082,7 +1060,7 @@ public:
std::map<uint256, CTransaction> mapTx;
std::map<COutPoint, CInPoint> mapNextTx;
- bool accept(CValidationState &state, const CTransaction &tx, bool fLimitFree, bool* pfMissingInputs);
+ bool accept(CValidationState &state, const CTransaction &tx, bool fLimitFree, bool* pfMissingInputs, bool fRejectInsaneFee = false);
bool addUnchecked(const uint256& hash, const CTransaction &tx);
bool remove(const CTransaction &tx, bool fRecursive = false);
bool removeConflicts(const CTransaction &tx);
@@ -1210,7 +1188,7 @@ public:
@see CTransaction::FetchInputs
*/
int64 GetValueIn(const CTransaction& tx);
-
+
// Check whether all prevouts of the transaction are present in the UTXO set represented by this view
bool HaveInputs(const CTransaction& tx);
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-01 16:33:58 +0000