protocols/{dcutr,relay}: Expose error types (#2605)

Co-authored-by: canewsin <canews.in@gmail.com>

protocols/dcutr/CHANGELOG.md

@@ -1,7 +1,11 @@
 # 0.2.0 [unreleased]
 
+- Expose `InboundUpgradeError` and `OutboundUpgradeError`. See [PR, 2586].
+
 - Update to `libp2p-swarm` `v0.35.0`.
 
+[PR 2586]: https://github.com/libp2p/rust-libp2p/pull/2586
+
 # 0.1.0 [2022-02-22]
 
-- Initial release.
+- Initial release.

protocols/dcutr/src/lib.rs

@@ -25,6 +25,10 @@ pub mod behaviour;
 mod handler;
 mod protocol;
 
+pub use protocol::{
+    inbound::UpgradeError as InboundUpgradeError, outbound::UpgradeError as OutboundUpgradeError,
+};
+
 mod message_proto {
     include!(concat!(env!("OUT_DIR"), "/holepunch.pb.rs"));
 }

protocols/relay/CHANGELOG.md

@@ -1,16 +1,21 @@
 # 0.8.0 [unreleased]
 
+- Expose `{Inbound,Outbound}{Hop,Stop}UpgradeError`. See [PR 2586].
+
 - Update to `libp2p-swarm` `v0.35.0`.
 
-- Remove support for Circuit Relay v1 protocol.
+- Remove support for Circuit Relay v1 protocol. See [PR 2549].
+
+[PR 2549]: https://github.com/libp2p/rust-libp2p/pull/2549
+[PR 2586]: https://github.com/libp2p/rust-libp2p/pull/2586
 
 # 0.7.0 [2022-02-22]
 
 - Update to `libp2p-core` `v0.32.0`.
 
 - Update to `libp2p-swarm` `v0.34.0`.
 
-- Merge NetworkBehaviour's inject_\* paired methods (see PR 2445).
+- Merge NetworkBehaviour's inject_\* paired methods (see [PR 2445]).
 
 [PR 2445]: https://github.com/libp2p/rust-libp2p/pull/2445
 

protocols/relay/src/v2.rs

@@ -30,6 +30,13 @@ mod copy_future;
 mod protocol;
 pub mod relay;
 
+pub use protocol::{
+    inbound_hop::FatalUpgradeError as InboundHopFatalUpgradeError,
+    inbound_stop::FatalUpgradeError as InboundStopFatalUpgradeError,
+    outbound_hop::FatalUpgradeError as OutboundHopFatalUpgradeError,
+    outbound_stop::FatalUpgradeError as OutboundStopFatalUpgradeError,
+};
+
 /// The ID of an outgoing / incoming, relay / destination request.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub struct RequestId(u64);