X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fblinded_path%2Futils.rs;h=e1feed97a27cb6277efc0201016f9bfa61267c68;hb=76f8cc1cc66a27124b656d3a50fbf5792e9dd195;hp=9b1ce50b10ebefa61943680694c5ce5852d20d43;hpb=d224f980ed208445d2425f697eb4563aaa432fa3;p=rust-lightning

diff --git a/lightning/src/blinded_path/utils.rs b/lightning/src/blinded_path/utils.rs
index 9b1ce50b..e1feed97 100644
--- a/lightning/src/blinded_path/utils.rs
+++ b/lightning/src/blinded_path/utils.rs
@@ -111,11 +111,11 @@ pub(super) fn construct_blinded_hops<'a, T, I1, I2>(
 ) -> Result<Vec<BlindedHop>, secp256k1::Error>
 where
 	T: secp256k1::Signing + secp256k1::Verification,
-	I1: ExactSizeIterator<Item=&'a PublicKey>,
+	I1: Iterator<Item=&'a PublicKey>,
 	I2: Iterator,
 	I2::Item: Writeable
 {
-	let mut blinded_hops = Vec::with_capacity(unblinded_pks.len());
+	let mut blinded_hops = Vec::with_capacity(unblinded_pks.size_hint().0);
 	construct_keys_callback(
 		secp_ctx, unblinded_pks, None, session_priv,
 		|blinded_node_id, _, _, encrypted_payload_rho, _, _| {