X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannel_id.rs;h=19003961ff1a52bced58e52622dd59add517bfed;hb=cf2c27800a1b30e72d4f7397c931cf6624594233;hp=8df6d75ef5e80b4d4acb2cb39b2358be9c638131;hpb=51d9ee35e53534bb2d907fc105699114134736a5;p=rust-lightning

diff --git a/lightning/src/ln/channel_id.rs b/lightning/src/ln/channel_id.rs
index 8df6d75e..19003961 100644
--- a/lightning/src/ln/channel_id.rs
+++ b/lightning/src/ln/channel_id.rs
@@ -9,11 +9,13 @@
 
 //! ChannelId definition.
 
+use crate::chain::transaction::OutPoint;
+use crate::io;
 use crate::ln::msgs::DecodeError;
 use crate::sign::EntropySource;
 use crate::util::ser::{Readable, Writeable, Writer};
 
-use crate::io;
+use bitcoin::hashes::Hash as _;
 use core::fmt;
 use core::ops::Deref;
 
@@ -40,6 +42,11 @@ impl ChannelId {
 		Self(res)
 	}
 
+	/// Create _v1_ channel ID from a funding tx outpoint
+	pub fn v1_from_funding_outpoint(outpoint: OutPoint) -> Self {
+		Self::v1_from_funding_txid(outpoint.txid.as_byte_array(), outpoint.index)
+	}
+
 	/// Create a _temporary_ channel ID randomly, based on an entropy source.
 	pub fn temporary_from_entropy_source<ES: Deref>(entropy_source: &ES) -> Self
 	where ES::Target: EntropySource {