build: add libbitcoinconsensus files and hook up the lib build
Credit BlueMatt for libbitcoinsonsensus.h/cpp
This commit is contained in:
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5 changed files with 195 additions and 1 deletions
5
.gitignore
vendored
5
.gitignore
vendored
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@ -45,6 +45,7 @@ src/qt/test/moc*.cpp
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.deps
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.deps
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.dirstamp
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.dirstamp
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.libs
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.*.swp
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.*.swp
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*.*~*
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*.*~*
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*.bak
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*.bak
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@ -66,6 +67,10 @@ src/qt/test/moc*.cpp
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*.json.h
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*.json.h
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*.raw.h
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*.raw.h
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#libtool object files
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*.lo
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*.la
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# Compilation and Qt preprocessor part
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# Compilation and Qt preprocessor part
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*.qm
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*.qm
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Makefile
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Makefile
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@ -49,6 +49,8 @@ BITCOIN_INCLUDES += $(BDB_CPPFLAGS)
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noinst_LIBRARIES += libbitcoin_wallet.a
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noinst_LIBRARIES += libbitcoin_wallet.a
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endif
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endif
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lib_LTLIBRARIES = libbitcoinconsensus.la
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bin_PROGRAMS =
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bin_PROGRAMS =
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TESTS =
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TESTS =
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@ -331,6 +333,35 @@ bitcoin_cli_SOURCES += bitcoin-cli-res.rc
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endif
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endif
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bitcoin_cli_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
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bitcoin_cli_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
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if BUILD_BITCOIN_LIBS
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include_HEADERS = script/bitcoinconsensus.h
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libbitcoinconsensus_la_SOURCES = \
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core/transaction.cpp \
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crypto/sha1.cpp \
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crypto/sha2.cpp \
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crypto/ripemd160.cpp \
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eccryptoverify.cpp \
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ecwrapper.cpp \
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hash.cpp \
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pubkey.cpp \
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script/script.cpp \
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script/interpreter.cpp \
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script/bitcoinconsensus.cpp \
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uint256.cpp \
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utilstrencodings.cpp
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if GLIBC_BACK_COMPAT
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libbitcoinconsensus_la_SOURCES += compat/glibc_compat.cpp
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libbitcoinconsensus_la_SOURCES += compat/glibcxx_compat.cpp
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endif
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libbitcoinconsensus_la_LDFLAGS = -no-undefined $(RELDFLAGS)
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libbitcoinconsensus_la_LIBADD = $(CRYPTO_LIBS)
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libbitcoinconsensus_la_CPPFLAGS = $(CRYPTO_CFLAGS) -I$(builddir)/obj -DBUILD_BITCOIN_INTERNAL
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if USE_LIBSECP256K1
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libbitcoinconsensus_la_LIBADD += secp256k1/libsecp256k1.la
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endif
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CLEANFILES = leveldb/libleveldb.a leveldb/libmemenv.a *.gcda *.gcno
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CLEANFILES = leveldb/libleveldb.a leveldb/libmemenv.a *.gcda *.gcno
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DISTCLEANFILES = obj/build.h
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DISTCLEANFILES = obj/build.h
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@ -86,7 +86,7 @@ test_test_bitcoin_LDADD += $(LIBBITCOIN_WALLET)
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endif
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endif
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test_test_bitcoin_LDADD += $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS)
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test_test_bitcoin_LDADD += $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS)
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test_test_bitcoin_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
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test_test_bitcoin_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS) -static-libtool-libs
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nodist_test_test_bitcoin_SOURCES = $(GENERATED_TEST_FILES)
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nodist_test_test_bitcoin_SOURCES = $(GENERATED_TEST_FILES)
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91
src/script/bitcoinconsensus.cpp
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91
src/script/bitcoinconsensus.cpp
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@ -0,0 +1,91 @@
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// 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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#include "bitcoinconsensus.h"
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#include "core/transaction.h"
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#include "script/interpreter.h"
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#include "version.h"
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namespace {
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/** A class that deserializes a single CTransaction one time. */
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class TxInputStream
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{
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public:
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TxInputStream(int nTypeIn, int nVersionIn, const unsigned char *txTo, size_t txToLen) :
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m_type(nTypeIn),
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m_version(nVersionIn),
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m_data(txTo),
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m_remaining(txToLen)
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{}
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TxInputStream& read(char* pch, size_t nSize)
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{
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if (nSize > m_remaining)
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throw std::ios_base::failure(std::string(__func__) + ": end of data");
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if (pch == NULL)
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throw std::ios_base::failure(std::string(__func__) + ": bad destination buffer");
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if (m_data == NULL)
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throw std::ios_base::failure(std::string(__func__) + ": bad source buffer");
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memcpy(pch, m_data, nSize);
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m_remaining -= nSize;
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m_data += nSize;
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return *this;
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}
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template<typename T>
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TxInputStream& operator>>(T& obj)
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{
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::Unserialize(*this, obj, m_type, m_version);
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return *this;
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}
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private:
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const int m_type;
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const int m_version;
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const unsigned char* m_data;
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size_t m_remaining;
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};
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inline int set_error(bitcoinconsensus_error* ret, bitcoinconsensus_error serror)
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{
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if (ret)
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*ret = serror;
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return 0;
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}
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} // anon namespace
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int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
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const unsigned char *txTo , unsigned int txToLen,
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unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
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{
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try {
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TxInputStream stream(SER_NETWORK, PROTOCOL_VERSION, txTo, txToLen);
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CTransaction tx;
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stream >> tx;
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if (nIn >= tx.vin.size())
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return set_error(err, bitcoinconsensus_ERR_TX_INDEX);
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if (tx.GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION) != txToLen)
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return set_error(err, bitcoinconsensus_ERR_TX_SIZE_MISMATCH);
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// Regardless of the verification result, the tx did not error.
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set_error(err, bitcoinconsensus_ERR_OK);
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return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, SignatureChecker(tx, nIn), NULL);
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} catch (std::exception &e) {
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return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
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}
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}
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unsigned int bitcoinconsensus_version()
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{
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// Just use the API version for now
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return BITCOINCONSENSUS_API_VER;
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}
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67
src/script/bitcoinconsensus.h
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67
src/script/bitcoinconsensus.h
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// 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 BITCOIN_BITCOINCONSENSUS_H
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#define BITCOIN_BITCOINCONSENSUS_H
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#if defined(BUILD_BITCOIN_INTERNAL) && defined(HAVE_CONFIG_H)
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#include "config/bitcoin-config.h"
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#if defined(_WIN32)
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#if defined(DLL_EXPORT)
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#if defined(HAVE_FUNC_ATTRIBUTE_DLLEXPORT)
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#define EXPORT_SYMBOL __declspec(dllexport)
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#else
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#define EXPORT_SYMBOL
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#endif
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#endif
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#elif defined(HAVE_FUNC_ATTRIBUTE_VISIBILITY)
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#define EXPORT_SYMBOL __attribute__ ((visibility ("default")))
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#endif
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#elif defined(MSC_VER) && !defined(STATIC_LIBBITCOINCONSENSUS)
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#define EXPORT_SYMBOL __declspec(dllimport)
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#endif
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#ifndef EXPORT_SYMBOL
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#define EXPORT_SYMBOL
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BITCOINCONSENSUS_API_VER 0
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typedef enum bitcoinconsensus_error_t
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{
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bitcoinconsensus_ERR_OK = 0,
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bitcoinconsensus_ERR_TX_INDEX,
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bitcoinconsensus_ERR_TX_SIZE_MISMATCH,
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bitcoinconsensus_ERR_TX_DESERIALIZE,
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} bitcoinconsensus_error;
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/** Script verification flags */
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enum
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{
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
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};
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/// Returns 1 if the input nIn of the serialized transaction pointed to by
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/// txTo correctly spends the scriptPubKey pointed to by scriptPubKey under
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/// the additional constraints specified by flags.
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/// If not NULL, err will contain an error/success code for the operation
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EXPORT_SYMBOL int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
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const unsigned char *txTo , unsigned int txToLen,
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unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err);
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EXPORT_SYMBOL unsigned int bitcoinconsensus_version();
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#undef EXPORT_SYMBOL
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#endif // BITCOIN_BITCOINCONSENSUS_H
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