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Use const CCoinsView's at some places.

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At some places where it is possible (e. g., CheckInputs), use a const
version of CCoinsView instead of a non-const one.
This commit is contained in:
Daniel Kraft 2014-07-19 17:14:23 +02:00
parent a3dc587a62
commit d0867acb0e
4 changed files with 9 additions and 9 deletions
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6
src/main.cpp
View File

@ -644,7 +644,7 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
// 2. P2SH scripts with a crazy number of expensive // 2. P2SH scripts with a crazy number of expensive
// CHECKSIG/CHECKMULTISIG operations // CHECKSIG/CHECKMULTISIG operations
// //
bool AreInputsStandard(const CTransaction& tx, CCoinsViewCache& mapInputs) bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
{ {
if (tx.IsCoinBase()) if (tx.IsCoinBase())
return true; // Coinbases don't use vin normally return true; // Coinbases don't use vin normally
@ -717,7 +717,7 @@ unsigned int GetLegacySigOpCount(const CTransaction& tx)
return nSigOps; return nSigOps;
} }
unsigned int GetP2SHSigOpCount(const CTransaction& tx, CCoinsViewCache& inputs) unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& inputs)
{ {
if (tx.IsCoinBase()) if (tx.IsCoinBase())
return 0; return 0;
@ -1470,7 +1470,7 @@ bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned in
return CScriptCheck(txFrom, txTo, nIn, flags, nHashType)(); return CScriptCheck(txFrom, txTo, nIn, flags, nHashType)();
} }
bool CheckInputs(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, std::vector<CScriptCheck> *pvChecks) bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, std::vector<CScriptCheck> *pvChecks)
{ {
if (!tx.IsCoinBase()) if (!tx.IsCoinBase())
{ {

6
src/main.h
View File

@ -265,7 +265,7 @@ int64_t GetMinRelayFee(const CTransaction& tx, unsigned int nBytes, bool fAllowF
@param[in] mapInputs Map of previous transactions that have outputs we're spending @param[in] mapInputs Map of previous transactions that have outputs we're spending
@return True if all inputs (scriptSigs) use only standard transaction forms @return True if all inputs (scriptSigs) use only standard transaction forms
*/ */
bool AreInputsStandard(const CTransaction& tx, CCoinsViewCache& mapInputs); bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs);
/** Count ECDSA signature operations the old-fashioned (pre-0.6) way /** Count ECDSA signature operations the old-fashioned (pre-0.6) way
@return number of sigops this transaction's outputs will produce when spent @return number of sigops this transaction's outputs will produce when spent
@ -279,13 +279,13 @@ unsigned int GetLegacySigOpCount(const CTransaction& tx);
@return maximum number of sigops required to validate this transaction's inputs @return maximum number of sigops required to validate this transaction's inputs
@see CTransaction::FetchInputs @see CTransaction::FetchInputs
*/ */
unsigned int GetP2SHSigOpCount(const CTransaction& tx, CCoinsViewCache& mapInputs); unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& mapInputs);
// Check whether all inputs of this transaction are valid (no double spends, scripts & sigs, amounts) // Check whether all inputs of this transaction are valid (no double spends, scripts & sigs, amounts)
// This does not modify the UTXO set. If pvChecks is not NULL, script checks are pushed onto it // This does not modify the UTXO set. If pvChecks is not NULL, script checks are pushed onto it
// instead of being performed inline. // instead of being performed inline.
bool CheckInputs(const CTransaction& tx, CValidationState &state, CCoinsViewCache &view, bool fScriptChecks = true, bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &view, bool fScriptChecks = true,
unsigned int flags = STANDARD_SCRIPT_VERIFY_FLAGS, unsigned int flags = STANDARD_SCRIPT_VERIFY_FLAGS,
std::vector<CScriptCheck> *pvChecks = NULL); std::vector<CScriptCheck> *pvChecks = NULL);

4
src/txmempool.cpp
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@ -484,7 +484,7 @@ void CTxMemPool::clear()
++nTransactionsUpdated; ++nTransactionsUpdated;
} }
void CTxMemPool::check(CCoinsViewCache *pcoins) const void CTxMemPool::check(const CCoinsViewCache *pcoins) const
{ {
if (!fSanityCheck) if (!fSanityCheck)
return; return;
@ -505,7 +505,7 @@ void CTxMemPool::check(CCoinsViewCache *pcoins) const
const CTransaction& tx2 = it2->second.GetTx(); const CTransaction& tx2 = it2->second.GetTx();
assert(tx2.vout.size() > txin.prevout.n && !tx2.vout[txin.prevout.n].IsNull()); assert(tx2.vout.size() > txin.prevout.n && !tx2.vout[txin.prevout.n].IsNull());
} else { } else {
CCoins &coins = pcoins->GetCoins(txin.prevout.hash); const CCoins &coins = pcoins->GetCoins(txin.prevout.hash);
assert(coins.IsAvailable(txin.prevout.n)); assert(coins.IsAvailable(txin.prevout.n));
} }
// Check whether its inputs are marked in mapNextTx. // Check whether its inputs are marked in mapNextTx.

2
src/txmempool.h
View File

@ -85,7 +85,7 @@ public:
* all inputs are in the mapNextTx array). If sanity-checking is turned off, * all inputs are in the mapNextTx array). If sanity-checking is turned off,
* check does nothing. * check does nothing.
*/ */
void check(CCoinsViewCache *pcoins) const; void check(const CCoinsViewCache *pcoins) const;
void setSanityCheck(bool _fSanityCheck) { fSanityCheck = _fSanityCheck; } void setSanityCheck(bool _fSanityCheck) { fSanityCheck = _fSanityCheck; }
bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry); bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry);