diff options
| -rw-r--r-- | src/script/bitcoinconsensus.cpp | 9 | ||||
| -rw-r--r-- | src/script/bitcoinconsensus.h | 4 | ||||
| -rw-r--r-- | src/test/script_tests.cpp | 13 |
3 files changed, 21 insertions, 5 deletions
diff --git a/src/script/bitcoinconsensus.cpp b/src/script/bitcoinconsensus.cpp index b629f4278b..1d0ca0c5ac 100644 --- a/src/script/bitcoinconsensus.cpp +++ b/src/script/bitcoinconsensus.cpp @@ -69,10 +69,19 @@ struct ECCryptoClosure ECCryptoClosure instance_of_eccryptoclosure; } +/** Check that all specified flags are part of the libconsensus interface. */ +static bool verify_flags(unsigned int flags) +{ + return (flags & ~(bitcoinconsensus_SCRIPT_FLAGS_VERIFY_ALL)) == 0; +} + static int verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, CAmount amount, const unsigned char *txTo , unsigned int txToLen, unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err) { + if (!verify_flags(flags)) { + return bitcoinconsensus_ERR_INVALID_FLAGS; + } try { TxInputStream stream(SER_NETWORK, PROTOCOL_VERSION, txTo, txToLen); CTransaction tx; diff --git a/src/script/bitcoinconsensus.h b/src/script/bitcoinconsensus.h index 1d2d5c23e4..1bef4fe9e9 100644 --- a/src/script/bitcoinconsensus.h +++ b/src/script/bitcoinconsensus.h @@ -42,6 +42,7 @@ typedef enum bitcoinconsensus_error_t bitcoinconsensus_ERR_TX_SIZE_MISMATCH, bitcoinconsensus_ERR_TX_DESERIALIZE, bitcoinconsensus_ERR_AMOUNT_REQUIRED, + bitcoinconsensus_ERR_INVALID_FLAGS, } bitcoinconsensus_error; /** Script verification flags */ @@ -54,6 +55,9 @@ enum bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65) bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10), // enable CHECKSEQUENCEVERIFY (BIP112) bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS = (1U << 11), // enable WITNESS (BIP141) + bitcoinconsensus_SCRIPT_FLAGS_VERIFY_ALL = bitcoinconsensus_SCRIPT_FLAGS_VERIFY_P2SH | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_DERSIG | + bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY | + bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS }; /// Returns 1 if the input nIn of the serialized transaction pointed to by diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp index 561adb8ea2..3169afb13a 100644 --- a/src/test/script_tests.cpp +++ b/src/test/script_tests.cpp @@ -173,11 +173,14 @@ void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, const CScript #if defined(HAVE_CONSENSUS_LIB) CDataStream stream(SER_NETWORK, PROTOCOL_VERSION); stream << tx2; - if (flags & bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS) { - BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script_with_amount(begin_ptr(scriptPubKey), scriptPubKey.size(), txCredit.vout[0].nValue, (const unsigned char*)&stream[0], stream.size(), 0, flags, NULL) == expect, message); - } else { - BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script_with_amount(begin_ptr(scriptPubKey), scriptPubKey.size(), 0, (const unsigned char*)&stream[0], stream.size(), 0, flags, NULL) == expect, message); - BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script(begin_ptr(scriptPubKey), scriptPubKey.size(), (const unsigned char*)&stream[0], stream.size(), 0, flags, NULL) == expect,message); + int libconsensus_flags = flags & bitcoinconsensus_SCRIPT_FLAGS_VERIFY_ALL; + if (libconsensus_flags == flags) { + if (flags & bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS) { + BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script_with_amount(begin_ptr(scriptPubKey), scriptPubKey.size(), txCredit.vout[0].nValue, (const unsigned char*)&stream[0], stream.size(), 0, libconsensus_flags, NULL) == expect, message); + } else { + BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script_with_amount(begin_ptr(scriptPubKey), scriptPubKey.size(), 0, (const unsigned char*)&stream[0], stream.size(), 0, libconsensus_flags, NULL) == expect, message); + BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script(begin_ptr(scriptPubKey), scriptPubKey.size(), (const unsigned char*)&stream[0], stream.size(), 0, libconsensus_flags, NULL) == expect,message); + } } #endif } |