Kernel: Implement PoC FFI

TheCharlatan · Dec 5, 2023 · badc3a5 · badc3a5
1 parent 28f498d
commit badc3a5
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Showing 9 changed files with 770 additions and 1 deletion.
diff --git a/.gitignore b/.gitignore
@@ -10,6 +10,7 @@ src/bitcoin-node
 src/bitcoin-tx
 src/bitcoin-util
 src/bitcoin-chainstate
+src/bitcoin-chainstate_c
 src/bitcoin-wallet
 src/test/fuzz/fuzz
 src/test/test_bitcoin
@@ -136,6 +137,7 @@ test/.mypy_cache/
 /doc/doxygen/
 
 libbitcoinconsensus.pc
+libbitcoinkernel.pc
 contrib/devtools/split-debug.sh
 
 # Output from running db4 installation

diff --git a/Makefile.am b/Makefile.am
@@ -17,6 +17,7 @@ endif
 if BUILD_BITCOIN_LIBS
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libbitcoinconsensus.pc
+pkgconfig_DATA += libbitcoinkernel.pc
 endif
 
 BITCOIND_BIN=$(top_builddir)/src/$(BITCOIN_DAEMON_NAME)$(EXEEXT)

diff --git a/configure.ac b/configure.ac
@@ -1680,6 +1680,10 @@ fi
 
 AM_CONDITIONAL([BUILD_BITCOIN_KERNEL_LIB], [test "$build_experimental_kernel_lib" != "no" && ( test "$build_experimental_kernel_lib" = "yes" || test "$build_bitcoin_chainstate" = "yes" )])
 
+if test "$build_bitcoin_kernel_lib" = "yes"; then
+  AC_CONFIG_FILES([libbitcoinkernel.pc:libbitcoinkernel.pc.in])
+fi
+
 AC_MSG_RESULT($build_bitcoin_libs)
 
 AC_LANG_POP

diff --git a/libbitcoinkernel.pc.in b/libbitcoinkernel.pc.in
@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@ kernel library
+Description: Library for the Bitcoin chain validation.
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lbitcoinkernel
+Cflags: -I${includedir}
diff --git a/src/Makefile.am b/src/Makefile.am
@@ -15,6 +15,7 @@ AM_LIBTOOLFLAGS = --preserve-dup-deps
 PTHREAD_FLAGS = $(PTHREAD_CFLAGS) $(PTHREAD_LIBS)
 EXTRA_LIBRARIES =
 
+include_HEADERS =
 lib_LTLIBRARIES =
 noinst_LTLIBRARIES =
 
@@ -112,6 +113,7 @@ endif
 
 if BUILD_BITCOIN_CHAINSTATE
   bin_PROGRAMS += bitcoin-chainstate
+  bin_PROGRAMS += bitcoin-chainstate_c
 endif
 
 .PHONY: FORCE check-symbols check-security
@@ -126,6 +128,7 @@ BITCOIN_CORE_H = \
   base58.h \
   bech32.h \
   bip324.h \
+  bitcoinkernel.h \
   blockencodings.h \
   blockfilter.h \
   chain.h \
@@ -892,6 +895,13 @@ bitcoin_util_LDADD = \
   $(LIBSECP256K1)
 #
 
+# bitcoin-chainstate C binary #
+bitcoin_chainstate_c_SOURCES = bitcoin-chainstate.c
+bitcoin_chainstate_c_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS)
+bitcoin_chainstate_c_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+bitcoin_chainstate_c_LDFLAGS = $(RELDFLAGS) $(LIBTOOL_APP_LDFLAGS) $(AM_LDFLAGS) $(PTHREAD_FLAGS)
+bitcoin_chainstate_c_LDADD = $(LIBBITCOINKERNEL)
+
 # bitcoin-chainstate binary #
 bitcoin_chainstate_SOURCES = bitcoin-chainstate.cpp
 bitcoin_chainstate_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(BOOST_CPPFLAGS)
@@ -908,6 +918,7 @@ bitcoin_chainstate_LDADD += $(LIBSECP256K1)
 # bitcoinkernel library #
 if BUILD_BITCOIN_KERNEL_LIB
 lib_LTLIBRARIES += $(LIBBITCOINKERNEL)
+include_HEADERS += bitcoinkernel.h
 
 libbitcoinkernel_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined $(RELDFLAGS) $(PTHREAD_FLAGS)
 libbitcoinkernel_la_LIBADD = $(LIBBITCOIN_CRYPTO) $(LIBLEVELDB) $(LIBMEMENV) $(LIBSECP256K1)
@@ -949,6 +960,7 @@ libbitcoinkernel_la_SOURCES = \
   kernel/disconnected_transactions.cpp \
   kernel/mempool_persist.cpp \
   kernel/mempool_removal_reason.cpp \
+  bitcoin-chainstate-wrapper.cpp \
   key.cpp \
   logging.cpp \
   node/blockstorage.cpp \
@@ -1011,7 +1023,7 @@ endif # BUILD_BITCOIN_KERNEL_LIB
 if BUILD_BITCOIN_LIBS
 lib_LTLIBRARIES += $(LIBBITCOINCONSENSUS)
 
-include_HEADERS = script/bitcoinconsensus.h
+include_HEADERS += script/bitcoinconsensus.h
 libbitcoinconsensus_la_SOURCES = support/cleanse.cpp $(crypto_libbitcoin_crypto_base_la_SOURCES) $(libbitcoin_consensus_a_SOURCES)
 
 libbitcoinconsensus_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined $(RELDFLAGS)