fill in serialization

spaceandtimelabs · Oct 18, 2024 · a980436 · a980436
1 parent 53b62c9
commit a980436
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diff --git a/cbindings/blitzar_api.h b/cbindings/blitzar_api.h
@@ -585,6 +585,12 @@ struct sxt_multiexp_handle* sxt_multiexp_handle_new(unsigned curve_id, const voi
 struct sxt_multiexp_handle* sxt_multiexp_handle_new_from_file(unsigned curve_id,
                                                               const char* filename);
 
+/**
+ * Write to file
+ */
+void sxt_multiexp_handle_write_to_file(const struct sxt_multiexp_handle* handle,
+                                       const char* filename);
+
 /**
  * Free resources for a multiexponentiation handle
  */

diff --git a/cbindings/fixed_pedersen.cc b/cbindings/fixed_pedersen.cc
@@ -48,6 +48,16 @@ struct sxt_multiexp_handle* sxt_multiexp_handle_new_from_file(unsigned curve_id,
   return reinterpret_cast<sxt_multiexp_handle*>(res.release());
 }
 
+//--------------------------------------------------------------------------------------------------
+// sxt_multiexp_handle_write_to_file
+//--------------------------------------------------------------------------------------------------
+void sxt_multiexp_handle_write_to_file(const struct sxt_multiexp_handle* handle,
+                                       const char* filename) {
+  auto backend = cbn::get_backend();
+  auto h = reinterpret_cast<const cbnb::multiexp_handle*>(handle);
+  backend->write_partition_table_accessor(h->curve_id, *h->partition_table_accessor, filename);
+}
+
 //--------------------------------------------------------------------------------------------------
 // sxt_multiexp_handle_free
 //--------------------------------------------------------------------------------------------------