![jtimon@blockstream.io](/assets/img/avatar_default.png)
committed by
Pieter Wuille
![Pieter Wuille](/assets/img/avatar_default.png)
8 changed files with 1101 additions and 1086 deletions
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 The Bitcoin developers
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// Distributed under the MIT/X11 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 uint256; |
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class CScript; |
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class CTransaction; |
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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 nHashType, 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, int nHashType); |
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bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType); |
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#endif |
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