f Fix Pass counterparty_node_id to accept_inbound_channel

Author: ViktorTigerstrom

lightning/src/ln/channelmanager.rs

@@ -4131,6 +4131,9 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
 				if !channel.get().inbound_is_awaiting_accept() {
 					return Err(APIError::APIMisuseError { err: "The channel isn't currently awaiting to be accepted.".to_owned() });
 				}
+				if *counterparty_node_id != channel.get().get_counterparty_node_id() {
+					return Err(APIError::APIMisuseError { err: "Passed counterparty_node_id doesn't match the channel's counterparty node_id".to_owned() });
+				}
 				channel_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
 					node_id: channel.get().get_counterparty_node_id(),
 					msg: channel.get_mut().accept_inbound_channel(user_channel_id),