Fixed compilation errors due to changes in sphinx crate

Cargo.lock

@@ -1798,6 +1798,7 @@ version = "0.1.0"
 dependencies = [
  "aes-ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "chacha 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",

clients/nym-client/src/utils/sphinx.rs

@@ -1,7 +1,7 @@
 use crate::utils::bytes;
 use addressing;
 use curve25519_dalek::montgomery::MontgomeryPoint;
-use sphinx::route::{Destination, DestinationAddressBytes, Node, SURBIdentifier};
+use sphinx::route::{Destination, DestinationAddressBytes, Node, NodeAddressBytes, SURBIdentifier};
 use sphinx::SphinxPacket;
 use std::net::SocketAddr;
 use topology::NymTopology;
@@ -32,7 +32,9 @@ pub fn encapsulate_message<T: NymTopology>(
     let key = MontgomeryPoint(key_bytes);
 
     let provider = Node::new(
-        addressing::encoded_bytes_from_socket_address(first_provider.mixnet_listener.clone()),
+        NodeAddressBytes::from_bytes(addressing::encoded_bytes_from_socket_address(
+            first_provider.mixnet_listener.clone(),
+        )),
         key,
     );
 
@@ -46,7 +48,7 @@ pub fn encapsulate_message<T: NymTopology>(
     let packet = sphinx::SphinxPacket::new(message, &route[..], &recipient, &delays).unwrap();
 
     let first_node_address =
-        addressing::socket_address_from_encoded_bytes(route.first().unwrap().address);
+        addressing::socket_address_from_encoded_bytes(route.first().unwrap().address.to_bytes());
 
     (first_node_address, packet)
 }

common/topology/src/lib.rs

@@ -1,7 +1,7 @@
 use addressing;
 use curve25519_dalek::montgomery::MontgomeryPoint;
 use rand::seq::SliceRandom;
-use sphinx::route::Node as SphinxNode;
+use sphinx::route::{Node as SphinxNode, NodeAddressBytes};
 use std::collections::HashMap;
 use std::net::SocketAddr;
 
@@ -66,7 +66,7 @@ pub trait NymTopology {
                 key_bytes.copy_from_slice(&decoded_key_bytes[..]);
                 let key = MontgomeryPoint(key_bytes);
                 SphinxNode {
-                    address: address_bytes,
+                    address: NodeAddressBytes::from_bytes(address_bytes),
                     pub_key: key,
                 }
             })

mixnode/src/mix_peer.rs

@@ -1,4 +1,5 @@
 use addressing;
+use sphinx::route::NodeAddressBytes;
 use std::error::Error;
 use std::net::SocketAddr;
 use tokio::prelude::*;
@@ -10,9 +11,9 @@ pub struct MixPeer {
 
 impl MixPeer {
     // note that very soon `next_hop_address` will be changed to `next_hop_metadata`
-    pub fn new(next_hop_address: [u8; 32]) -> MixPeer {
+    pub fn new(next_hop_address: NodeAddressBytes) -> MixPeer {
         let next_hop_socket_address =
-            addressing::socket_address_from_encoded_bytes(next_hop_address);
+            addressing::socket_address_from_encoded_bytes(next_hop_address.to_bytes());
         MixPeer {
             connection: next_hop_socket_address,
         }