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438c7e4cd2
6dcfda2Don't pass nHashType to EvalScript nor CheckSig (jtimon)2b23a87Don't pass nHashType to VerifyScript (jtimon)ce3649fbRemove CScriptCheck::nHashType (was always 0) (jtimon)358562bRemove unused function main:VerifySignature (jtimon)
46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef H_BITCOIN_SCRIPT_INTERPRETER
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#define H_BITCOIN_SCRIPT_INTERPRETER
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#include <vector>
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#include <stdint.h>
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#include <string>
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class CScript;
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class CTransaction;
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class uint256;
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/** Signature hash types/flags */
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enum
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{
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SIGHASH_ALL = 1,
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SIGHASH_NONE = 2,
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SIGHASH_SINGLE = 3,
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SIGHASH_ANYONECANPAY = 0x80,
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};
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/** Script verification flags */
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enum
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{
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SCRIPT_VERIFY_NONE = 0,
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SCRIPT_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
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SCRIPT_VERIFY_STRICTENC = (1U << 1), // enforce strict conformance to DER and SEC2 for signatures and pubkeys
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SCRIPT_VERIFY_LOW_S = (1U << 2), // enforce low S values (<n/2) in signatures (depends on STRICTENC)
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SCRIPT_VERIFY_NOCACHE = (1U << 3), // do not store results in signature cache (but do query it)
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SCRIPT_VERIFY_NULLDUMMY = (1U << 4), // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
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};
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bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int flags);
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bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig, unsigned int flags);
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uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
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bool CheckSig(std::vector<unsigned char> vchSig, const std::vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int flags);
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bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
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bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
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#endif // H_BITCOIN_SCRIPT_INTERPRETER
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