fix Check is_live instead of Ready

Author: optout21

lightning/src/ln/channel.rs

@@ -8428,9 +8428,9 @@ impl<SP: Deref> FundedChannel<SP> where
 			)});
 		}
 
-		if !matches!(self.context.channel_state, ChannelState::ChannelReady(_)) {
+		if !self.context.is_live() {
 			return Err(APIError::APIMisuseError { err: format!(
-				"Channel {} cannot be spliced, as channel is not Ready",
+				"Channel {} cannot be spliced, as channel is not live",
 				self.context.channel_id()
 			)});
 		}
@@ -8500,8 +8500,8 @@ impl<SP: Deref> FundedChannel<SP> where
 			)));
 		}
 
-		if !matches!(self.context.channel_state, ChannelState::ChannelReady(_)) {
-			return Err(ChannelError::Warn(format!("Splicing requested on a channel that is not Ready")));
+		if !self.context.is_live() {
+			return Err(ChannelError::Warn(format!("Splicing requested on a channel that is not live")));
 		}
 
 		// - If it has received shutdown:

lightning/src/ln/functional_tests_splice.rs

@@ -7,10 +7,6 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
-//! Tests that test standing up a network of ChannelManagers, creating channels, sending
-//! payments/messages between them, and often checking the resulting ChannelMonitors are able to
-//! claim outputs on-chain.
-
 use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider};
 use crate::ln::functional_test_utils::*;
 use crate::ln::msgs::ChannelMessageHandler;