Update secp256k1 to v0.6.0

Author: joii2020

Makefile

@@ -4,7 +4,6 @@ LD := $(TARGET)-gcc
 OBJCOPY := $(TARGET)-objcopy
 CFLAGS := -fPIC -O3 -fno-builtin-printf -fno-builtin-memcmp -nostdinc -nostdlib -nostartfiles -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 -Werror -Wno-nonnull -Wno-nonnull-compare -Wno-unused-function -g
 LDFLAGS := -Wl,-static -fdata-sections -ffunction-sections -Wl,--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
@@ -35,18 +34,10 @@ build/always_success: c/always_success.c
 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)
+build/dump_secp256k1_data_20210801: c/dump_secp256k1_data_20210801.c
 	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=$(LD) ./configure --with-bignum=no --enable-ecmult-static-precomputation --enable-endomorphism --enable-module-recovery --host=$(TARGET) && \
-		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 $@ $^
 
@@ -76,7 +67,7 @@ omni_lock_mol:
 	${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/omni_lock: 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
+build/omni_lock: c/omni_lock.c c/omni_lock_supply.h c/omni_lock_acp.h c/secp256k1_lock.h build/secp256k1_data_info_20210801.h c/ckb_identity.h
 	$(CC) $(OMNI_LOCK_CFLAGS) $(LDFLAGS) -o $@ $<
 	cp $@ $@.debug
 	$(OBJCOPY) --strip-debug --strip-all $@

c/dump_secp256k1_data_20210801.c

@@ -7,7 +7,7 @@
  * directly, the final binary will include all functions rather than those used.
  */
 #define HAVE_CONFIG_H 1
-#include <secp256k1.c>
+#include <dump_precomputed_ecmult.h>
 
 #define ERROR_IO -1
 

c/secp256k1_helper_20210801.h

@@ -15,7 +15,9 @@
  */
 #define HAVE_CONFIG_H 1
 #define USE_EXTERNAL_DEFAULT_CALLBACKS
+#define SECP256K1_GE_STORAGE_PTR
 #include <secp256k1.c>
+#include "modules/recovery/main_impl.h"
 
 void secp256k1_default_illegal_callback_fn(const char* str, void* data) {
   (void)str;
@@ -68,19 +70,13 @@ int ckb_secp256k1_custom_verify_only_initialize(secp256k1_context* context,
     return CKB_SECP256K1_HELPER_ERROR_LOADING_DATA;
   }
 
-  context->illegal_callback = default_illegal_callback;
-  context->error_callback = default_error_callback;
+  update_secp256k1_ge_storage(data);
 
-  secp256k1_ecmult_context_init(&context->ecmult_ctx);
-  secp256k1_ecmult_gen_context_init(&context->ecmult_gen_ctx);
-
-  /* Recasting data to (uint8_t*) for pointer math */
-  uint8_t* p = data;
-  secp256k1_ge_storage(*pre_g)[] = (secp256k1_ge_storage(*)[])p;
-  secp256k1_ge_storage(*pre_g_128)[] =
-      (secp256k1_ge_storage(*)[])(&p[CKB_SECP256K1_DATA_PRE_SIZE]);
-  context->ecmult_ctx.pre_g = pre_g;
-  context->ecmult_ctx.pre_g_128 = pre_g_128;
+  secp256k1_context* ctx = secp256k1_context_preallocated_create(
+      (void*)context, SECP256K1_CONTEXT_VERIFY);
+  if (!ctx) {
+      return CKB_SECP256K1_HELPER_ERROR_LOADING_DATA;
+  }
 
   return 0;
 }

deps/secp256k1-20210801

@@ -15,7 +15,7 @@ const CKB_HASH_PERSONALIZATION: &[u8] = b"ckb-default-hash";
 const BINARIES: &[(&str, &str)] = &[
     (
         "omni_lock",
-        "768f306681da232ceb0b94f436c5f813377179762a831c5ad8797bd4fd2d118d",
+        "acd0b02f1338948304bae16f9ce748885458a22cd33ef2cd758134259de23b29",
     ),
 ];