ret_hu_conv.ptrs_to.add(keys_manager);
ret_hu_conv.ptrs_to.add(fee_estimator);
ret_hu_conv.ptrs_to.add(chain_monitor);
ret_hu_conv.ptrs_to.add(tx_broadcaster);
ret_hu_conv.ptrs_to.add(logger);
ret_hu_conv.ptrs_to.add(keys_manager);
ret_hu_conv.ptrs_to.add(fee_estimator);
ret_hu_conv.ptrs_to.add(chain_monitor);
ret_hu_conv.ptrs_to.add(tx_broadcaster);
ret_hu_conv.ptrs_to.add(logger);