rpc: add a pruned bool to the prune_blockchain call

src/rpc/core_rpc_server.cpp

@@ -2373,6 +2373,7 @@ namespace cryptonote
         return false;
       }
       res.pruning_seed = m_core.get_blockchain_pruning_seed();
+      res.pruned = res.pruning_seed != 0;
     }
     catch (const std::exception &e)
     {

src/rpc/core_rpc_server_commands_defs.h

@@ -84,7 +84,7 @@ namespace cryptonote
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define CORE_RPC_VERSION_MAJOR 2
-#define CORE_RPC_VERSION_MINOR 5
+#define CORE_RPC_VERSION_MINOR 6
 #define MAKE_CORE_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define CORE_RPC_VERSION MAKE_CORE_RPC_VERSION(CORE_RPC_VERSION_MAJOR, CORE_RPC_VERSION_MINOR)
 
@@ -2308,11 +2308,13 @@ namespace cryptonote
 
     struct response_t
     {
+      bool pruned;
       uint32_t pruning_seed;
       std::string status;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(status)
+        KV_SERIALIZE(pruned)
         KV_SERIALIZE(pruning_seed)
       END_KV_SERIALIZE_MAP()
     };