use core::ops::Deref;
use crate::chain;
use crate::ln::features::ChannelTypeFeatures;
-use crate::util::crypto::{sign, sign_with_aux_rand};
+use crate::crypto::utils::{sign, sign_with_aux_rand};
use super::channel_keys::{DelayedPaymentBasepoint, DelayedPaymentKey, HtlcKey, HtlcBasepoint, RevocationKey, RevocationBasepoint};
/// Maximum number of one-way in-flight HTLC (protocol-level value).