X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fln%2Fonion_utils.rs;h=6ca8811e444aa5b3fcca7546e47a486e07f601f7;hb=refs%2Fheads%2F2019-07-new-warnings;hp=8783aa0bde0e107708122c62fb06f2dd9102bbf4;hpb=f0bcb7dba0360f04afacfff63ec2598d39bddc5f;p=rust-lightning

diff --git a/src/ln/onion_utils.rs b/src/ln/onion_utils.rs
index 8783aa0b..6ca8811e 100644
--- a/src/ln/onion_utils.rs
+++ b/src/ln/onion_utils.rs
@@ -1,7 +1,7 @@
 use ln::channelmanager::{PaymentHash, HTLCSource};
 use ln::msgs;
 use ln::router::{Route,RouteHop};
-use util::{byte_utils, internal_traits};
+use util::byte_utils;
 use util::chacha20::ChaCha20;
 use util::errors::{self, APIError};
 use util::ser::{Readable, Writeable};
@@ -17,7 +17,6 @@ use secp256k1::Secp256k1;
 use secp256k1::ecdh::SharedSecret;
 use secp256k1;
 
-use std::ptr;
 use std::io::Cursor;
 use std::sync::Arc;
 
@@ -114,16 +113,14 @@ pub(super) fn build_onion_payloads(route: &Route, starting_htlc_offset: u32) ->
 	let mut cur_cltv = starting_htlc_offset;
 	let mut last_short_channel_id = 0;
 	let mut res: Vec<msgs::OnionHopData> = Vec::with_capacity(route.hops.len());
-	internal_traits::test_no_dealloc::<msgs::OnionHopData>(None);
-	unsafe { res.set_len(route.hops.len()); }
 
-	for (idx, hop) in route.hops.iter().enumerate().rev() {
+	for hop in route.hops.iter().rev() {
 		// First hop gets special values so that it can check, on receipt, that everything is
 		// exactly as it should be (and the next hop isn't trying to probe to find out if we're
 		// the intended recipient).
 		let value_msat = if cur_value_msat == 0 { hop.fee_msat } else { cur_value_msat };
 		let cltv = if cur_cltv == starting_htlc_offset { hop.cltv_expiry_delta + starting_htlc_offset } else { cur_cltv };
-		res[idx] = msgs::OnionHopData {
+		res.insert(0, msgs::OnionHopData {
 			realm: 0,
 			data: msgs::OnionRealm0HopData {
 				short_channel_id: last_short_channel_id,
@@ -131,7 +128,7 @@ pub(super) fn build_onion_payloads(route: &Route, starting_htlc_offset: u32) ->
 				outgoing_cltv_value: cltv,
 			},
 			hmac: [0; 32],
-		};
+		});
 		cur_value_msat += hop.fee_msat;
 		if cur_value_msat >= 21000000 * 100000000 * 1000 {
 			return Err(APIError::RouteError{err: "Channel fees overflowed?!"});
@@ -147,8 +144,8 @@ pub(super) fn build_onion_payloads(route: &Route, starting_htlc_offset: u32) ->
 
 #[inline]
 fn shift_arr_right(arr: &mut [u8; 20*65]) {
-	unsafe {
-		ptr::copy(arr[0..].as_ptr(), arr[65..].as_mut_ptr(), 19*65);
+	for i in (65..20*65).rev() {
+		arr[i] = arr[i-65];
 	}
 	for i in 0..65 {
 		arr[i] = 0;