[*] Small fixes

modules/chain/dap_chain_cell.c

@@ -131,10 +131,15 @@ int dap_chain_cell_load(dap_chain_t * a_chain, const char * a_cell_file_path)
                     size_t l_element_size = 0;
                     if ( fread(&l_element_size,1,sizeof(l_element_size),l_cell->file_storage) ==
                          sizeof(l_element_size) ){
-                        if ( l_element_size > 0 ){
+                        if ( l_element_size > 0){
                             dap_chain_atom_ptr_t * l_element = DAP_NEW_Z_SIZE (dap_chain_atom_ptr_t, l_element_size );
-                            if ( fread( l_element,1,l_element_size,l_cell->file_storage ) == l_element_size ) {
-                                a_chain->callback_atom_add (a_chain, l_element, l_element_size);
+                            if (l_element){
+                                if ( fread( l_element,1,l_element_size,l_cell->file_storage ) == l_element_size ) {
+                                    a_chain->callback_atom_add (a_chain, l_element, l_element_size);
+                                }
+                            }else{
+                                log_it (L_ERROR, "Can't allocate %zd bytes, stop cell load process", l_element_size);
+                                break;
                             }
                         } else {
                             log_it (L_ERROR, "Zero element size, file is corrupted");

modules/type/blocks/dap_chain_cs_blocks.c

@@ -337,7 +337,7 @@ static int s_cli_blocks(int a_argc, char ** a_argv, void *a_arg_func, char **a_s
             if ( PVT(l_blocks)->block_new ){
                 dap_chain_hash_fast_t l_datum_hash;
                 s_cli_parse_cmd_hash(a_argv,arg_index,a_argc,a_str_reply,"-datum", &l_datum_hash );
-                dap_chain_block_datum_del_by_hash( PVT(l_blocks)->block_new, PVT(l_blocks)->block_new_size, &l_datum_hash );
+                PVT(l_blocks)->block_new_size=dap_chain_block_datum_del_by_hash( PVT(l_blocks)->block_new, PVT(l_blocks)->block_new_size, &l_datum_hash );
             }else {
                 dap_chain_node_cli_set_reply_text(a_str_reply,
                           "Error! Can't delete datum from hash because no forming new block! Check pls you role, it must be MASTER NODE or greater");