Implement cast from operation to account_update2_operation

src/hive_fork_manager/shared_lib/operation_types.cpp

@@ -102,6 +102,12 @@ Datum to_datum(const hive::protocol::public_key_type& value)
 {
   return CStringGetTextDatum(static_cast<std::string>(value).c_str());
 }
+template<typename T>
+Datum to_datum(const fc::optional<T>& value)
+{
+  if (value.valid()) return to_datum(value.value());
+  else return (Datum)0; // NULL
+}
 
 template<typename T>
 struct members_to_sql_tuple_visitor {
@@ -417,4 +423,11 @@ extern "C"
     _operation* op = PG_GETARG_HIVE_OPERATION_PP( 0 );
     return operation_to<hive::protocol::account_create_with_delegation_operation>(op);
   }
+
+  PG_FUNCTION_INFO_V1( operation_to_account_update2_operation );
+  Datum operation_to_account_update2_operation( PG_FUNCTION_ARGS )
+  {
+    _operation* op = PG_GETARG_HIVE_OPERATION_PP( 0 );
+    return operation_to<hive::protocol::account_update2_operation>(op);
+  }
 }

src/hive_fork_manager/types/casts.sql

@@ -57,3 +57,13 @@ AS 'MODULE_PATHNAME',
 CREATE CAST (hive.operation AS hive.account_create_with_delegation_operation)
   WITH FUNCTION hive._operation_to_account_create_with_delegation_operation
   AS ASSIGNMENT;
+
+CREATE OR REPLACE FUNCTION hive._operation_to_account_update2_operation(
+  hive.operation
+) RETURNS hive.account_update2_operation LANGUAGE c IMMUTABLE STRICT PARALLEL SAFE
+AS 'MODULE_PATHNAME',
+'operation_to_account_update2_operation';
+
+CREATE CAST (hive.operation AS hive.account_update2_operation)
+  WITH FUNCTION hive._operation_to_account_update2_operation
+  AS ASSIGNMENT;

src/hive_fork_manager/types/types.sql

@@ -139,4 +139,15 @@ CREATE TYPE hive.account_create_with_delegation_operation AS (
   extensions hive.extensions_type
 );
 
+CREATE TYPE hive.account_update2_operation AS (
+  account hive.account_name_type,
+  owner hive.authority,
+  active hive.authority,
+  posting hive.authority,
+  memo_key hive.public_key_type,
+  json_metadata text,
+  posting_json_metadata text,
+  extensions hive.extensions_type
+);
+
 CREATE TYPE hive.void_t AS ();