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Add some const declarations where they are appropriate.

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Declare some arguments of functions as "const" pointers where they are
not meant to be modified.
This commit is contained in:
Daniel Kraft 2015-08-08 18:18:41 +02:00
parent c0f66ce44a
commit 69c3bde448
4 changed files with 15 additions and 15 deletions
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14
src/main.cpp
View File

@ -1035,7 +1035,7 @@ bool GetTransaction(const uint256 &hash, CTransaction &txOut, uint256 &hashBlock
// CBlock and CBlockIndex // CBlock and CBlockIndex
// //
bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart) bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart)
{ {
// Open history file to append // Open history file to append
CAutoFile fileout(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION); CAutoFile fileout(OpenBlockFile(pos), SER_DISK, CLIENT_VERSION);
@ -1520,7 +1520,7 @@ static bool ApplyTxInUndo(const CTxInUndo& undo, CCoinsViewCache& view, const CO
return fClean; return fClean;
} }
bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& view, bool* pfClean) bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& view, bool* pfClean)
{ {
assert(pindex->GetBlockHash() == view.GetBestBlock()); assert(pindex->GetBlockHash() == view.GetBestBlock());
@ -2077,7 +2077,7 @@ static int64_t nTimePostConnect = 0;
* Connect a new block to chainActive. pblock is either NULL or a pointer to a CBlock * Connect a new block to chainActive. pblock is either NULL or a pointer to a CBlock
* corresponding to pindexNew, to bypass loading it again from disk. * corresponding to pindexNew, to bypass loading it again from disk.
*/ */
bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew, CBlock *pblock) { bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew, const CBlock *pblock) {
assert(pindexNew->pprev == chainActive.Tip()); assert(pindexNew->pprev == chainActive.Tip());
mempool.check(pcoinsTip); mempool.check(pcoinsTip);
// Read block from disk. // Read block from disk.
@ -2209,7 +2209,7 @@ static void PruneBlockIndexCandidates() {
* Try to make some progress towards making pindexMostWork the active block. * Try to make some progress towards making pindexMostWork the active block.
* pblock is either NULL or a pointer to a CBlock corresponding to pindexMostWork. * pblock is either NULL or a pointer to a CBlock corresponding to pindexMostWork.
*/ */
static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMostWork, CBlock *pblock) { static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMostWork, const CBlock *pblock) {
AssertLockHeld(cs_main); AssertLockHeld(cs_main);
bool fInvalidFound = false; bool fInvalidFound = false;
const CBlockIndex *pindexOldTip = chainActive.Tip(); const CBlockIndex *pindexOldTip = chainActive.Tip();
@ -2278,7 +2278,7 @@ static bool ActivateBestChainStep(CValidationState &state, CBlockIndex *pindexMo
* or an activated best chain. pblock is either NULL or a pointer to a block * or an activated best chain. pblock is either NULL or a pointer to a block
* that is already loaded (to avoid loading it again from disk). * that is already loaded (to avoid loading it again from disk).
*/ */
bool ActivateBestChain(CValidationState &state, CBlock *pblock) { bool ActivateBestChain(CValidationState &state, const CBlock *pblock) {
CBlockIndex *pindexNewTip = NULL; CBlockIndex *pindexNewTip = NULL;
CBlockIndex *pindexMostWork = NULL; CBlockIndex *pindexMostWork = NULL;
const CChainParams& chainParams = Params(); const CChainParams& chainParams = Params();
@ -2749,7 +2749,7 @@ bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBloc
return true; return true;
} }
bool AcceptBlock(CBlock& block, CValidationState& state, CBlockIndex** ppindex, bool fRequested, CDiskBlockPos* dbp) bool AcceptBlock(const CBlock& block, CValidationState& state, CBlockIndex** ppindex, bool fRequested, CDiskBlockPos* dbp)
{ {
const CChainParams& chainparams = Params(); const CChainParams& chainparams = Params();
AssertLockHeld(cs_main); AssertLockHeld(cs_main);
@ -2826,7 +2826,7 @@ static bool IsSuperMajority(int minVersion, const CBlockIndex* pstart, unsigned
} }
bool ProcessNewBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, bool fForceProcessing, CDiskBlockPos *dbp) bool ProcessNewBlock(CValidationState &state, const CNode* pfrom, const CBlock* pblock, bool fForceProcessing, CDiskBlockPos *dbp)
{ {
// Preliminary checks // Preliminary checks
bool checked = CheckBlock(*pblock, state); bool checked = CheckBlock(*pblock, state);

10
src/main.h
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@ -142,7 +142,7 @@ void UnregisterNodeSignals(CNodeSignals& nodeSignals);
* @param[out] dbp If pblock is stored to disk (or already there), this will be set to its location. * @param[out] dbp If pblock is stored to disk (or already there), this will be set to its location.
* @return True if state.IsValid() * @return True if state.IsValid()
*/ */
bool ProcessNewBlock(CValidationState &state, CNode* pfrom, CBlock* pblock, bool fForceProcessing, CDiskBlockPos *dbp); bool ProcessNewBlock(CValidationState &state, const CNode* pfrom, const CBlock* pblock, bool fForceProcessing, CDiskBlockPos *dbp);
/** Check whether enough disk space is available for an incoming block */ /** Check whether enough disk space is available for an incoming block */
bool CheckDiskSpace(uint64_t nAdditionalBytes = 0); bool CheckDiskSpace(uint64_t nAdditionalBytes = 0);
/** Open a block file (blk?????.dat) */ /** Open a block file (blk?????.dat) */
@ -179,7 +179,7 @@ std::string GetWarnings(const std::string& strFor);
/** Retrieve a transaction (from memory pool, or from disk, if possible) */ /** Retrieve a transaction (from memory pool, or from disk, if possible) */
bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock, bool fAllowSlow = false); bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock, bool fAllowSlow = false);
/** Find the best known block, and make it the tip of the block chain */ /** Find the best known block, and make it the tip of the block chain */
bool ActivateBestChain(CValidationState &state, CBlock *pblock = NULL); bool ActivateBestChain(CValidationState &state, const CBlock *pblock = NULL);
CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams); CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams);
/** /**
@ -335,7 +335,7 @@ public:
/** Functions for disk access for blocks */ /** Functions for disk access for blocks */
bool WriteBlockToDisk(CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart); bool WriteBlockToDisk(const CBlock& block, CDiskBlockPos& pos, const CMessageHeader::MessageStartChars& messageStart);
bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos); bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos);
bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex); bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex);
@ -346,7 +346,7 @@ bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex);
* In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean * In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean
* will be true if no problems were found. Otherwise, the return value will be false in case * will be true if no problems were found. Otherwise, the return value will be false in case
* of problems. Note that in any case, coins may be modified. */ * of problems. Note that in any case, coins may be modified. */
bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool* pfClean = NULL); bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& coins, bool* pfClean = NULL);
/** Apply the effects of this block (with given index) on the UTXO set represented by coins */ /** Apply the effects of this block (with given index) on the UTXO set represented by coins */
bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool fJustCheck = false); bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex, CCoinsViewCache& coins, bool fJustCheck = false);
@ -363,7 +363,7 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
bool TestBlockValidity(CValidationState &state, const CBlock& block, CBlockIndex *pindexPrev, bool fCheckPOW = true, bool fCheckMerkleRoot = true); bool TestBlockValidity(CValidationState &state, const CBlock& block, CBlockIndex *pindexPrev, bool fCheckPOW = true, bool fCheckMerkleRoot = true);
/** Store block on disk. If dbp is non-NULL, the file is known to already reside on disk */ /** Store block on disk. If dbp is non-NULL, the file is known to already reside on disk */
bool AcceptBlock(CBlock& block, CValidationState& state, CBlockIndex **pindex, bool fRequested, CDiskBlockPos* dbp); bool AcceptBlock(const CBlock& block, CValidationState& state, CBlockIndex **pindex, bool fRequested, CDiskBlockPos* dbp);
bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex **ppindex= NULL); bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state, CBlockIndex **ppindex= NULL);

4
src/miner.cpp
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@ -352,7 +352,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
return pblocktemplate.release(); return pblocktemplate.release();
} }
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce) void IncrementExtraNonce(CBlock* pblock, const CBlockIndex* pindexPrev, unsigned int& nExtraNonce)
{ {
// Update nExtraNonce // Update nExtraNonce
static uint256 hashPrevBlock; static uint256 hashPrevBlock;
@ -409,7 +409,7 @@ bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phas
} }
} }
static bool ProcessBlockFound(CBlock* pblock, const CChainParams& chainparams) static bool ProcessBlockFound(const CBlock* pblock, const CChainParams& chainparams)
{ {
LogPrintf("%s\n", pblock->ToString()); LogPrintf("%s\n", pblock->ToString());
LogPrintf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue)); LogPrintf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue));

2
src/miner.h
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@ -29,7 +29,7 @@ void GenerateBitcoins(bool fGenerate, int nThreads, const CChainParams& chainpar
/** Generate a new block, without valid proof-of-work */ /** Generate a new block, without valid proof-of-work */
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn); CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
/** Modify the extranonce in a block */ /** Modify the extranonce in a block */
void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce); void IncrementExtraNonce(CBlock* pblock, const CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev); int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
#endif // BITCOIN_MINER_H #endif // BITCOIN_MINER_H