use bitcoin::hashes::cmp::fixed_time_eq;
use bitcoin::hashes::hmac::{Hmac, HmacEngine};
use bitcoin::hashes::sha256::Hash as Sha256;
-use chain::keysinterface::{KeyMaterial, KeysInterface, Sign};
-use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use ln::msgs;
-use ln::msgs::MAX_VALUE_MSAT;
-use util::chacha20::ChaCha20;
-use util::crypto::hkdf_extract_expand_thrice;
-use util::errors::APIError;
-use util::logger::Logger;
+use crate::chain::keysinterface::{KeyMaterial, KeysInterface};
+use crate::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
+use crate::ln::msgs;
+use crate::ln::msgs::MAX_VALUE_MSAT;
+use crate::util::chacha20::ChaCha20;
+use crate::util::crypto::hkdf_extract_expand_thrice;
+use crate::util::errors::APIError;
+use crate::util::logger::Logger;
use core::convert::TryInto;
use core::ops::Deref;
/// `current_time` is a Unix timestamp representing the current time.
///
/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
-pub fn create<Signer: Sign, K: Deref>(keys: &ExpandedKey, min_value_msat: Option<u64>, invoice_expiry_delta_secs: u32, keys_manager: &K, current_time: u64) -> Result<(PaymentHash, PaymentSecret), ()>
- where K::Target: KeysInterface<Signer = Signer>
+pub fn create<K: Deref>(keys: &ExpandedKey, min_value_msat: Option<u64>, invoice_expiry_delta_secs: u32, keys_manager: &K, current_time: u64) -> Result<(PaymentHash, PaymentSecret), ()>
+ where K::Target: KeysInterface
{
let metadata_bytes = construct_metadata_bytes(min_value_msat, Method::LdkPaymentHash, invoice_expiry_delta_secs, current_time)?;