Remove one tab level when accessing a `peer_state`
[rust-lightning] / lightning / src / ln / inbound_payment.rs
index f4f114d957193c8bf696f8cc12cacb49c005d0ed..ba1b1fe579a8cc52e30af7eb05f5ede4d6bf6a75 100644 (file)
@@ -14,14 +14,14 @@ use bitcoin::hashes::{Hash, HashEngine};
 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, EntropySource};
+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;
@@ -35,9 +35,9 @@ const AMT_MSAT_LEN: usize = 8;
 const METHOD_TYPE_OFFSET: usize = 5;
 
 /// A set of keys that were HKDF-expanded from an initial call to
-/// [`KeysInterface::get_inbound_payment_key_material`].
+/// [`NodeSigner::get_inbound_payment_key_material`].
 ///
-/// [`KeysInterface::get_inbound_payment_key_material`]: crate::chain::keysinterface::KeysInterface::get_inbound_payment_key_material
+/// [`NodeSigner::get_inbound_payment_key_material`]: crate::chain::keysinterface::NodeSigner::get_inbound_payment_key_material
 pub struct ExpandedKey {
        /// The key used to encrypt the bytes containing the payment metadata (i.e. the amount and
        /// expiry, included for payment verification on decryption).
@@ -84,15 +84,16 @@ impl Method {
 /// `ChannelManager` is required. Useful for generating invoices for [phantom node payments] without
 /// a `ChannelManager`.
 ///
-/// `keys` is generated by calling [`KeysInterface::get_inbound_payment_key_material`] and then
+/// `keys` is generated by calling [`NodeSigner::get_inbound_payment_key_material`] and then
 /// calling [`ExpandedKey::new`] with its result. It is recommended to cache this value and not
 /// regenerate it for each new inbound payment.
 ///
 /// `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>
+/// [`NodeSigner::get_inbound_payment_key_material`]: crate::chain::keysinterface::NodeSigner::get_inbound_payment_key_material
+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)?;
 
@@ -176,7 +177,7 @@ fn construct_payment_secret(iv_bytes: &[u8; IV_LEN], metadata_bytes: &[u8; METAD
 ///
 /// The metadata is constructed as:
 ///   payment method (3 bits) || payment amount (8 bytes - 3 bits) || expiry (8 bytes)
-/// and encrypted using a key derived from [`KeysInterface::get_inbound_payment_key_material`].
+/// and encrypted using a key derived from [`NodeSigner::get_inbound_payment_key_material`].
 ///
 /// Then on payment receipt, we verify in this method that the payment preimage and payment secret
 /// match what was constructed.
@@ -197,7 +198,7 @@ fn construct_payment_secret(iv_bytes: &[u8; IV_LEN], metadata_bytes: &[u8; METAD
 ///
 /// See [`ExpandedKey`] docs for more info on the individual keys used.
 ///
-/// [`KeysInterface::get_inbound_payment_key_material`]: crate::chain::keysinterface::KeysInterface::get_inbound_payment_key_material
+/// [`NodeSigner::get_inbound_payment_key_material`]: crate::chain::keysinterface::NodeSigner::get_inbound_payment_key_material
 /// [`create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
 /// [`create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
 pub(super) fn verify<L: Deref>(payment_hash: PaymentHash, payment_data: &msgs::FinalOnionHopData, highest_seen_timestamp: u64, keys: &ExpandedKey, logger: &L) -> Result<Option<PaymentPreimage>, ()>