X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Finbound_payment.rs;h=ba1b1fe579a8cc52e30af7eb05f5ede4d6bf6a75;hb=9e7c02cd125cba991e1b757a5a59c6d4a230280e;hp=f4f114d957193c8bf696f8cc12cacb49c005d0ed;hpb=72e9f53be7b9b44ce8fb1a817a3af6a98db79755;p=rust-lightning diff --git a/lightning/src/ln/inbound_payment.rs b/lightning/src/ln/inbound_payment.rs index f4f114d9..ba1b1fe5 100644 --- a/lightning/src/ln/inbound_payment.rs +++ b/lightning/src/ln/inbound_payment.rs @@ -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(keys: &ExpandedKey, min_value_msat: Option, invoice_expiry_delta_secs: u32, keys_manager: &K, current_time: u64) -> Result<(PaymentHash, PaymentSecret), ()> - where K::Target: KeysInterface +/// [`NodeSigner::get_inbound_payment_key_material`]: crate::chain::keysinterface::NodeSigner::get_inbound_payment_key_material +pub fn create(keys: &ExpandedKey, min_value_msat: Option, 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(payment_hash: PaymentHash, payment_data: &msgs::FinalOnionHopData, highest_seen_timestamp: u64, keys: &ExpandedKey, logger: &L) -> Result, ()>