From b2c545770bb5f5e3d2ccf9cfac5ae34f24e816e5 Mon Sep 17 00:00:00 2001
From: Simon Wicky <simon@nymtech.net>
Date: Wed, 14 Feb 2024 14:32:13 +0100
Subject: [PATCH] add replay tag for sphinx

---
 common/nymsphinx/types/Cargo.toml |  3 ++-
 common/nymsphinx/types/src/lib.rs | 10 ++++++++++
 nym-outfox/Cargo.toml             |  3 ++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/common/nymsphinx/types/Cargo.toml b/common/nymsphinx/types/Cargo.toml
index 47ad47c2d2..e31ea123f1 100644
--- a/common/nymsphinx/types/Cargo.toml
+++ b/common/nymsphinx/types/Cargo.toml
@@ -8,9 +8,10 @@ license = { workspace = true }
 repository = { workspace = true }
 
 [dependencies]
-sphinx-packet = { version = "0.1.0", optional = true }
+#sphinx-packet = { version = "0.1.0", optional = true }
 nym-outfox = { path = "../../../nym-outfox", optional = true }
 thiserror = { workspace = true }
+sphinx-packet = { git = "https://github.com/nymtech/sphinx.git", branch = "simon/replay_tag", optional = true}
 
 [features]
 default = ["sphinx"]
diff --git a/common/nymsphinx/types/src/lib.rs b/common/nymsphinx/types/src/lib.rs
index d75060e9b0..8f64868c95 100644
--- a/common/nymsphinx/types/src/lib.rs
+++ b/common/nymsphinx/types/src/lib.rs
@@ -9,6 +9,7 @@ pub use nym_outfox::{
 // re-exporting types and constants available in sphinx
 #[cfg(feature = "outfox")]
 use nym_outfox::packet::{OutfoxPacket, OutfoxProcessedPacket};
+use sphinx_packet::header::keys::ReplayTag;
 #[cfg(feature = "sphinx")]
 pub use sphinx_packet::{
     constants::{
@@ -57,6 +58,15 @@ pub enum NymProcessedPacket {
     Outfox(OutfoxProcessedPacket),
 }
 
+impl NymProcessedPacket {
+    pub fn replay_tag(&self) -> ReplayTag {
+        match self {
+            NymProcessedPacket::Sphinx(sphinx) => sphinx.replay_tag(),
+            NymProcessedPacket::Outfox(_) => todo!(), //SW temporary while I add a replay tag to outfox
+        }
+    }
+}
+
 impl fmt::Debug for NymPacket {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         #[allow(unreachable_patterns)]
diff --git a/nym-outfox/Cargo.toml b/nym-outfox/Cargo.toml
index bfcd49c233..b662951a32 100644
--- a/nym-outfox/Cargo.toml
+++ b/nym-outfox/Cargo.toml
@@ -18,7 +18,8 @@ curve25519-dalek = "3.2"
 chacha20poly1305 = "0.10.1"
 getrandom = { workspace = true, features = ["js"] }
 thiserror = { workspace = true }
-sphinx-packet = "0.1.0"
+#sphinx-packet = "0.1.0"
+sphinx-packet = { git = "https://github.com/nymtech/sphinx.git", branch = "simon/replay_tag"}
 rand = "0.7.3"
 log = "0.4"