diff options
Diffstat (limited to 'src/script/interpreter.cpp')
| -rw-r--r-- | src/script/interpreter.cpp | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index f9716dfc66..3c3f92fe46 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -3,15 +3,14 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "interpreter.h" +#include <script/interpreter.h> -#include "primitives/transaction.h" -#include "crypto/ripemd160.h" -#include "crypto/sha1.h" -#include "crypto/sha256.h" -#include "pubkey.h" -#include "script/script.h" -#include "uint256.h" +#include <crypto/ripemd160.h> +#include <crypto/sha1.h> +#include <crypto/sha256.h> +#include <pubkey.h> +#include <script/script.h> +#include <uint256.h> typedef std::vector<unsigned char> valtype; @@ -349,9 +348,6 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& { if (!(flags & SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY)) { // not enabled; treat as a NOP2 - if (flags & SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS) { - return set_error(serror, SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS); - } break; } @@ -391,9 +387,6 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& { if (!(flags & SCRIPT_VERIFY_CHECKSEQUENCEVERIFY)) { // not enabled; treat as a NOP3 - if (flags & SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS) { - return set_error(serror, SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS); - } break; } @@ -1168,29 +1161,36 @@ uint256 GetOutputsHash(const CTransaction& txTo) { PrecomputedTransactionData::PrecomputedTransactionData(const CTransaction& txTo) { - hashPrevouts = GetPrevoutHash(txTo); - hashSequence = GetSequenceHash(txTo); - hashOutputs = GetOutputsHash(txTo); + // Cache is calculated only for transactions with witness + if (txTo.HasWitness()) { + hashPrevouts = GetPrevoutHash(txTo); + hashSequence = GetSequenceHash(txTo); + hashOutputs = GetOutputsHash(txTo); + ready = true; + } } uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache) { + assert(nIn < txTo.vin.size()); + if (sigversion == SIGVERSION_WITNESS_V0) { uint256 hashPrevouts; uint256 hashSequence; uint256 hashOutputs; + const bool cacheready = cache && cache->ready; if (!(nHashType & SIGHASH_ANYONECANPAY)) { - hashPrevouts = cache ? cache->hashPrevouts : GetPrevoutHash(txTo); + hashPrevouts = cacheready ? cache->hashPrevouts : GetPrevoutHash(txTo); } if (!(nHashType & SIGHASH_ANYONECANPAY) && (nHashType & 0x1f) != SIGHASH_SINGLE && (nHashType & 0x1f) != SIGHASH_NONE) { - hashSequence = cache ? cache->hashSequence : GetSequenceHash(txTo); + hashSequence = cacheready ? cache->hashSequence : GetSequenceHash(txTo); } if ((nHashType & 0x1f) != SIGHASH_SINGLE && (nHashType & 0x1f) != SIGHASH_NONE) { - hashOutputs = cache ? cache->hashOutputs : GetOutputsHash(txTo); + hashOutputs = cacheready ? cache->hashOutputs : GetOutputsHash(txTo); } else if ((nHashType & 0x1f) == SIGHASH_SINGLE && nIn < txTo.vout.size()) { CHashWriter ss(SER_GETHASH, 0); ss << txTo.vout[nIn]; @@ -1221,10 +1221,6 @@ uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsig } static const uint256 one(uint256S("0000000000000000000000000000000000000000000000000000000000000001")); - if (nIn >= txTo.vin.size()) { - // nIn out of range - return one; - } // Check for invalid use of SIGHASH_SINGLE if ((nHashType & 0x1f) == SIGHASH_SINGLE) { @@ -1366,7 +1362,7 @@ static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion, stack = std::vector<std::vector<unsigned char> >(witness.stack.begin(), witness.stack.end() - 1); uint256 hashScriptPubKey; CSHA256().Write(&scriptPubKey[0], scriptPubKey.size()).Finalize(hashScriptPubKey.begin()); - if (memcmp(hashScriptPubKey.begin(), &program[0], 32)) { + if (memcmp(hashScriptPubKey.begin(), program.data(), 32)) { return set_error(serror, SCRIPT_ERR_WITNESS_PROGRAM_MISMATCH); } } else if (program.size() == 20) { |