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-rw-r--r--src/script/bitcoinconsensus.cpp2
-rw-r--r--src/script/interpreter.cpp4
-rw-r--r--src/script/interpreter.h14
-rw-r--r--src/script/sigcache.cpp4
-rw-r--r--src/script/sigcache.h4
-rw-r--r--src/script/sign.cpp4
6 files changed, 21 insertions, 11 deletions
diff --git a/src/script/bitcoinconsensus.cpp b/src/script/bitcoinconsensus.cpp
index c8dd54a747..5e1f473531 100644
--- a/src/script/bitcoinconsensus.cpp
+++ b/src/script/bitcoinconsensus.cpp
@@ -78,7 +78,7 @@ int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned i
// Regardless of the verification result, the tx did not error.
set_error(err, bitcoinconsensus_ERR_OK);
- return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, SignatureChecker(tx, nIn), NULL);
+ return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(tx, nIn), NULL);
} catch (const std::exception&) {
return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 0cee1a0116..b1cf028c54 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1058,12 +1058,12 @@ uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsig
return ss.GetHash();
}
-bool SignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
+bool TransactionSignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
{
return pubkey.Verify(sighash, vchSig);
}
-bool SignatureChecker::CheckSig(const vector<unsigned char>& vchSigIn, const vector<unsigned char>& vchPubKey, const CScript& scriptCode) const
+bool TransactionSignatureChecker::CheckSig(const vector<unsigned char>& vchSigIn, const vector<unsigned char>& vchPubKey, const CScript& scriptCode) const
{
CPubKey pubkey(vchPubKey);
if (!pubkey.IsValid())
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 8bf379ed89..063a072368 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -7,6 +7,7 @@
#define BITCOIN_SCRIPT_INTERPRETER_H
#include "script_error.h"
+#include "primitives/transaction.h"
#include <vector>
#include <stdint.h>
@@ -90,7 +91,7 @@ public:
virtual ~BaseSignatureChecker() {}
};
-class SignatureChecker : public BaseSignatureChecker
+class TransactionSignatureChecker : public BaseSignatureChecker
{
private:
const CTransaction& txTo;
@@ -100,10 +101,19 @@ protected:
virtual bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
public:
- SignatureChecker(const CTransaction& txToIn, unsigned int nInIn) : txTo(txToIn), nIn(nInIn) {}
+ TransactionSignatureChecker(const CTransaction& txToIn, unsigned int nInIn) : txTo(txToIn), nIn(nInIn) {}
bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode) const;
};
+class MutableTransactionSignatureChecker : public TransactionSignatureChecker
+{
+private:
+ const CTransaction txTo;
+
+public:
+ MutableTransactionSignatureChecker(const CMutableTransaction& txToIn, unsigned int nInIn) : TransactionSignatureChecker(txTo, nInIn), txTo(txToIn) {}
+};
+
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* error = NULL);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* error = NULL);
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index 75ecdb563d..099b4ad0e3 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -74,14 +74,14 @@ public:
}
-bool CachingSignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
+bool CachingTransactionSignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
{
static CSignatureCache signatureCache;
if (signatureCache.Get(sighash, vchSig, pubkey))
return true;
- if (!SignatureChecker::VerifySignature(vchSig, pubkey, sighash))
+ if (!TransactionSignatureChecker::VerifySignature(vchSig, pubkey, sighash))
return false;
if (store)
diff --git a/src/script/sigcache.h b/src/script/sigcache.h
index 3bd11caff5..6c5bba2c01 100644
--- a/src/script/sigcache.h
+++ b/src/script/sigcache.h
@@ -12,13 +12,13 @@
class CPubKey;
-class CachingSignatureChecker : public SignatureChecker
+class CachingTransactionSignatureChecker : public TransactionSignatureChecker
{
private:
bool store;
public:
- CachingSignatureChecker(const CTransaction& txToIn, unsigned int nInIn, bool storeIn=true) : SignatureChecker(txToIn, nInIn), store(storeIn) {}
+ CachingTransactionSignatureChecker(const CTransaction& txToIn, unsigned int nInIn, bool storeIn=true) : TransactionSignatureChecker(txToIn, nInIn), store(storeIn) {}
bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
};
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index adddd4ec78..d76466b703 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -123,7 +123,7 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutabl
}
// Test solution
- return VerifyScript(txin.scriptSig, fromPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, SignatureChecker(txTo, nIn));
+ return VerifyScript(txin.scriptSig, fromPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(txTo, nIn));
}
bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType)
@@ -174,7 +174,7 @@ static CScript CombineMultisig(const CScript& scriptPubKey, const CTransaction&
if (sigs.count(pubkey))
continue; // Already got a sig for this pubkey
- if (SignatureChecker(txTo, nIn).CheckSig(sig, pubkey, scriptPubKey))
+ if (TransactionSignatureChecker(txTo, nIn).CheckSig(sig, pubkey, scriptPubKey))
{
sigs[pubkey] = sig;
break;