this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
this.config = bindings.UserConfig_default();
this.chan_manager = bindings.ChannelManager_new(LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);
this.keys_interface = bindings.KeysManager_as_KeysInterface(keys);
this.config = bindings.UserConfig_default();
this.chan_manager = bindings.ChannelManager_new(LDKNetwork.LDKNetwork_Bitcoin, fee_estimator, chain_monitor, tx_broadcaster, logger, keys_interface, config, 1);