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Remove not-used-anywhere scriptPrereq from SignSignature()
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@ -1525,7 +1525,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C
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}
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bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType, CScript scriptPrereq)
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bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType)
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{
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assert(nIn < txTo.vin.size());
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CTxIn& txin = txTo.vin[nIn];
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@ -1534,18 +1534,15 @@ bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CTrans
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// Leave out the signature from the hash, since a signature can't sign itself.
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// The checksig op will also drop the signatures from its hash.
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uint256 hash = SignatureHash(scriptPrereq + txout.scriptPubKey, txTo, nIn, nHashType);
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uint256 hash = SignatureHash(txout.scriptPubKey, txTo, nIn, nHashType);
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if (!Solver(keystore, txout.scriptPubKey, hash, nHashType, txin.scriptSig))
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return false;
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txin.scriptSig = scriptPrereq + txin.scriptSig;
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// Test solution
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int nUnused = 0;
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if (scriptPrereq.empty())
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if (!VerifyScript(txin.scriptSig, txout.scriptPubKey, txTo, nIn, nUnused, 0, true))
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return false;
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if (!VerifyScript(txin.scriptSig, txout.scriptPubKey, txTo, nIn, nUnused, 0, true))
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return false;
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return true;
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}
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@ -574,7 +574,7 @@ bool IsStandard(const CScript& scriptPubKey);
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bool IsMine(const CKeyStore& keystore, const CScript& scriptPubKey);
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bool ExtractAddress(const CScript& scriptPubKey, CBitcoinAddress& addressRet);
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bool ExtractAddresses(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CBitcoinAddress>& addressRet, int& nRequiredRet);
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bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL, CScript scriptPrereq=CScript());
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bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
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bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, int& nSigOpCountRet, int nHashType=0, bool fStrictOpEval=true);
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#endif
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