Rename to PrecomputedTransactionData

This commit is contained in:
Pieter Wuille
2016-08-26 18:38:20 +02:00
committed by Jack Grigg
parent 90285e7b81
commit 6514771a44
10 changed files with 41 additions and 41 deletions

View File

@@ -1076,14 +1076,14 @@ uint256 GetOutputsHash(const CTransaction& txTo) {
} // anon namespace
CachedHashes::CachedHashes(const CTransaction& txTo)
PrecomputedTransactionData::PrecomputedTransactionData(const CTransaction& txTo)
{
hashPrevouts = GetPrevoutHash(txTo);
hashSequence = GetSequenceHash(txTo);
hashOutputs = GetOutputsHash(txTo);
}
uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const CachedHashes* cache)
uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache)
{
if (nIn >= txTo.vin.size() && nIn != NOT_AN_INPUT) {
// nIn out of range
@@ -1174,7 +1174,7 @@ bool TransactionSignatureChecker::CheckSig(const vector<unsigned char>& vchSigIn
uint256 sighash;
try {
sighash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion, this->cachedHashes);
sighash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion, this->txdata);
} catch (logic_error ex) {
return false;
}

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@@ -88,11 +88,11 @@ enum
SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9),
};
struct CachedHashes
struct PrecomputedTransactionData
{
uint256 hashPrevouts, hashSequence, hashOutputs;
CachedHashes(const CTransaction& tx);
PrecomputedTransactionData(const CTransaction& tx);
};
enum SigVersion
@@ -101,7 +101,7 @@ enum SigVersion
SIGVERSION_WITNESS_V0 = 1,
};
uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const CachedHashes* cache = NULL);
uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = NULL);
class BaseSignatureChecker
{
@@ -125,14 +125,14 @@ private:
const CTransaction* txTo;
unsigned int nIn;
const CAmount amount;
const CachedHashes* cachedHashes;
const PrecomputedTransactionData* txdata;
protected:
virtual bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
public:
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), cachedHashes(NULL) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, const CachedHashes& cachedHashesIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), cachedHashes(&cachedHashesIn) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(NULL) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, const PrecomputedTransactionData& txdataIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {}
bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const;
bool CheckLockTime(const CScriptNum& nLockTime) const;
};

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@@ -18,7 +18,7 @@ private:
bool store;
public:
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amount, bool storeIn, CachedHashes& cachedHashesIn) : TransactionSignatureChecker(txToIn, nInIn, amount, cachedHashesIn), store(storeIn) {}
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amount, bool storeIn, PrecomputedTransactionData& txdataIn) : TransactionSignatureChecker(txToIn, nInIn, amount, txdataIn), store(storeIn) {}
bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
};

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@@ -84,9 +84,9 @@ int zcashconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int
// Regardless of the verification result, the tx did not error.
set_error(err, zcashconsensus_ERR_OK);
CachedHashes cachedHashes(tx);
PrecomputedTransactionData txdata(tx);
CAmount am(0);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn, am, cachedHashes), NULL);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn, am, txdata), NULL);
} catch (const std::exception&) {
return set_error(err, zcashconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}