Simplify + clarify random-bytes-fetching from KeysInterface

[rust-lightning] / lightning / src / ln / channelmanager.rs

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index a17eb1a610bc132f736dcf42438b3689d20bb3f0..ccd0b00444ae3c4f5d6d48cb74933013ea6faa3f 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -1243,7 +1243,8 @@ impl<ChanSigner: ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
        // Only public for testing, this should otherwise never be called direcly
        pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32) -> Result<(), APIError> {
                log_trace!(self.logger, "Attempting to send payment for path with next hop {}", path.first().unwrap().short_channel_id);
-               let (session_priv, prng_seed) = self.keys_manager.get_onion_rand();
+               let prng_seed = self.keys_manager.get_secure_random_bytes();
+               let session_priv = SecretKey::from_slice(&self.keys_manager.get_secure_random_bytes()[..]).expect("RNG is busted");
 
                let onion_keys = onion_utils::construct_onion_keys(&self.secp_ctx, &path, &session_priv)
                        .map_err(|_| APIError::RouteError{err: "Pubkey along hop was maliciously selected"})?;