diff --git a/Makefile.clang b/Makefile.clang
new file mode 100644
index 0000000..3f6633e
--- /dev/null
+++ b/Makefile.clang
@@ -0,0 +1,115 @@
+CC := clang-16
+LD := ld.lld-16
+OBJCOPY := llvm-objcopy-16
+CFLAGS := \
+	--target=riscv64 -march=rv64imc_zba_zbb_zbc_zbs \
+	-fPIC -O3 -fno-builtin-printf -fno-builtin-memcmp -nostdinc -nostdlib -fvisibility=hidden -fdata-sections -ffunction-sections \
+	-I deps/secp256k1/src -I deps/secp256k1 -I deps/ckb-c-std-lib -I deps/ckb-c-std-lib/libc -I deps/ckb-c-std-lib/molecule -I c -I build \
+	-Wall -Wno-nonnull -Wno-unused-function -g
+LDFLAGS := -nostdlib -static --gc-sections
+SECP256K1_SRC_20210801 := deps/secp256k1-20210801/src/ecmult_static_pre_context.h
+
+
+OMNI_LOCK_CFLAGS :=$(subst ckb-c-std-lib,ckb-c-stdlib-20210801,$(CFLAGS)) -I deps/sparse-merkle-tree/c
+OMNI_LOCK_CFLAGS := $(subst secp256k1,secp256k1-20210801,$(OMNI_LOCK_CFLAGS))
+# enable log
+OMNI_LOCK_CFLAGS += -DCKB_C_STDLIB_PRINTF -DCKB_C_STDLIB_PRINTF_BUFFER_SIZE=1024
+
+
+PROTOCOL_HEADER := c/blockchain.h
+PROTOCOL_SCHEMA := c/blockchain.mol
+PROTOCOL_VERSION := d75e4c56ffa40e17fd2fe477da3f98c5578edcd1
+PROTOCOL_URL := https://raw.githubusercontent.com/nervosnetwork/ckb/${PROTOCOL_VERSION}/util/types/schemas/blockchain.mol
+MOLC := moleculec
+MOLC_VERSION := 0.7.0
+
+CLANG_FORMAT_DOCKER := kason223/clang-format@sha256:3cce35b0400a7d420ec8504558a02bdfc12fd2d10e40206f140c4545059cd95d
+
+all: build/omni_lock build/always_success
+
+build/always_success: c/always_success.c
+	$(CC) $(OMNI_LOCK_CFLAGS) $(LDFLAGS) -o $@ $<
+	$(OBJCOPY) --only-keep-debug $@ $@.debug
+	$(OBJCOPY) --strip-debug --strip-all $@
+
+build/secp256k1_data_info_20210801.h: build/dump_secp256k1_data_20210801
+	$<
+
+build/dump_secp256k1_data_20210801: c/dump_secp256k1_data_20210801.c $(SECP256K1_SRC_20210801)
+	mkdir -p build
+	gcc -I deps/secp256k1-20210801/src -I deps/secp256k1-20210801 -o $@ $<
+
+
+$(SECP256K1_SRC_20210801):
+	cd deps/secp256k1-20210801 && \
+		./autogen.sh && \
+		CC=$(CC) LD=$(LD) ./configure --with-bignum=no --with-asm=no \
+			--enable-ecmult-static-precomputation --enable-endomorphism --enable-module-recovery && \
+		make src/ecmult_static_pre_context.h src/ecmult_static_context.h
+
+
+build/impl.o: deps/ckb-c-std-lib/libc/src/impl.c
+	$(CC) -c $(filter-out -DCKB_DECLARATION_ONLY, $(CFLAGS_MBEDTLS)) $(LDFLAGS_MBEDTLS) -o $@ $^
+
+${PROTOCOL_SCHEMA}:
+	curl -L -o $@ ${PROTOCOL_URL}
+
+ALL_C_SOURCE := $(wildcard c/omni_lock.c c/omni_lock_acp.h c/omni_lock_time_lock.h \
+	tests/omni_lock/omni_lock_sim.c tests/omni_lock/ckb_syscall_omni_lock_sim.h tests/omni_lock/omni_lock_supply.h\
+	c/blake2b_decl_only.h c/cobuild.h c/cobuild.c)
+
+fmt:
+	docker run --rm -v `pwd`:/code ${CLANG_FORMAT_DOCKER} bash -c "cd code && clang-format -i -style=Google $(ALL_C_SOURCE)"
+	git diff --exit-code $(ALL_C_SOURCE)
+
+mol:
+	make omni_lock_mol
+	make cobuild_mol
+
+c/xudt_rce_mol.h: c/xudt_rce.mol
+	${MOLC} --language c --schema-file $< > $@
+
+c/xudt_rce_mol2.h: c/xudt_rce.mol
+	moleculec --language - --schema-file c/xudt_rce.mol --format json > build/blockchain_mol2.json
+	moleculec-c2 --input build/blockchain_mol2.json | clang-format -style=Google > c/xudt_rce_mol2.h
+
+omni_lock_mol:
+	${MOLC} --language rust --schema-file c/omni_lock.mol | rustfmt > tests/omni_lock_rust/src/omni_lock.rs
+	${MOLC} --language c --schema-file c/omni_lock.mol > c/omni_lock_mol.h
+	${MOLC} --language - --schema-file c/omni_lock.mol --format json > build/omni_lock_mol2.json
+	moleculec-c2 --input build/omni_lock_mol2.json | clang-format -style=Google > c/omni_lock_mol2.h
+
+build/cobuild.o: c/cobuild.c c/cobuild.h
+	$(CC) -c $(OMNI_LOCK_CFLAGS) -o $@ $<
+
+build/omni_lock.o: c/omni_lock.c c/omni_lock_supply.h c/omni_lock_acp.h c/secp256k1_lock.h build/secp256k1_data_info_20210801.h $(SECP256K1_SRC_20210801) c/ckb_identity.h
+	$(CC) -c $(OMNI_LOCK_CFLAGS) -o $@ $<
+
+build/omni_lock: build/omni_lock.o build/cobuild.o
+	$(LD) $(LDFLAGS) -o $@ $^
+	cp $@ $@.debug
+	$(OBJCOPY) --strip-debug --strip-all $@
+
+cobuild_mol:
+	${MOLC} --language rust --schema-file c/basic.mol | rustfmt > tests/omni_lock_rust/src/schemas/basic.rs
+	${MOLC} --language rust --schema-file c/top_level.mol | rustfmt > tests/omni_lock_rust/src/schemas/top_level.rs
+	${MOLC} --language - --schema-file c/basic.mol --format json > build/cobuild_basic_mol2.json
+	moleculec-c2 --input build/cobuild_basic_mol2.json | clang-format -style=Google > c/cobuild_basic_mol2.h
+
+clean:
+	rm -rf build/secp256k1_data_info_20210801.h build/dump_secp256k1_data_20210801
+	rm -rf build/secp256k1_data_20210801
+	rm -rf build/*.debug
+	rm -f build/omni_lock
+	rm -f build/*.o
+	cd deps/secp256k1-20210801 && [ -f "Makefile" ] && make clean
+
+install-tools:
+	if [ ! -x "$$(command -v "${MOLC}")" ] \
+			|| [ "$$(${MOLC} --version | awk '{ print $$2 }' | tr -d ' ')" != "${MOLC_VERSION}" ]; then \
+		cargo install --force --version "${MOLC_VERSION}" "${MOLC}"; \
+	fi
+
+dist: clean all
+
+.PHONY: all all-via-docker dist clean package-clean package publish