json_t *MyObject = json_object();
		json_t *json_arr = json_array();
		json_object_set_new(MyObject, "id", json_integer(4));
		json_object_set_new(MyObject, "method", json_string("mining.submit"));

		json_array_append(json_arr, json_string(rpc_user));

		int Err = 0;

		uchar hexjob_id[4]; // = (uchar*)malloc(4);
		hex2bin((uchar*)&hexjob_id, sobid, 4);
//		printf("the submitted job id = %s \n",sobid);
		free(sobid);

		json_array_append(json_arr, json_bytes((uchar*)&hexjob_id, 4));
		json_array_append(json_arr, json_bytes(work->xnonce2, sizeof(uint64_t*)));
		json_array_append(json_arr, json_bytes((uchar*)&ntime, sizeof(uint32_t)));
		json_array_append(json_arr, json_bytes((uchar*)&nonce, sizeof(uint32_t)));
		json_array_append(json_arr, json_bytes(mtp->MerkleRoot, SizeMerkleRoot));
		json_array_append(json_arr, json_bytes((uchar*)mtp->nBlockMTP, SizeBlockMTP));
		json_array_append(json_arr, json_bytes(mtp->nProofMTP, SizeProofMTP));

		json_object_set_new(MyObject, "params", json_arr);

		json_error_t *boserror = (json_error_t *)malloc(sizeof(json_error_t));
		bos_t *serialized = bos_serialize(MyObject, boserror);

		stratum.sharediff = work->sharediff[0];

		if (unlikely(!stratum_send_line_bos(&stratum, serialized))) {
			applog(LOG_ERR, "submit_upstream_work stratum_send_line failed");
			free(boserror);
			json_decref(MyObject);
			bos_free(serialized);
			return false;
		}
		free(boserror);
		json_decref(MyObject);
		bos_free(serialized);
		//		stratum_recv_line_compact(&stratum);