Feature/mix contract identity key (#533)

* Added identity_key field to mixnodes

* Printing out required bond information on mixnode startup

clients/validator/src/types.ts

@@ -12,6 +12,7 @@ export type MixNode = {
     layer: number,
     location: string,
     sphinx_key: string, // TODO: camelCase this later once everything else works
+    identity_key: string,
     version: string,
 }
 

common/mixnet-contract/src/lib.rs

@@ -9,6 +9,8 @@ pub struct MixNode {
     pub(crate) layer: u64,
     pub(crate) location: String,
     pub(crate) sphinx_key: String,
+    /// Base58 encoded ed25519 EdDSA public key.
+    pub(crate) identity_key: String,
     pub(crate) version: String,
 }
 
@@ -18,6 +20,7 @@ impl MixNode {
         layer: u64,
         location: String,
         sphinx_key: String,
+        identity_key: String,
         version: String,
     ) -> Self {
         MixNode {
@@ -25,6 +28,7 @@ impl MixNode {
             layer,
             location,
             sphinx_key,
+            identity_key,
             version,
         }
     }

contracts/mixnet/src/support/tests.rs

@@ -89,6 +89,7 @@ pub mod helpers {
             1,
             "Sweden".to_string(),
             "sphinx".to_string(),
+            "identity".to_string(),
             "0.10.0".to_string(),
         )
     }
@@ -99,6 +100,7 @@ pub mod helpers {
             1,
             "London".to_string(),
             "1234".to_string(),
+            "aaaa".to_string(),
             "0.10.0".to_string(),
         );
         MixNodeBond::new(coins(50, "unym"), HumanAddr::from("foo"), mix_node)

mixnode/src/commands/run.rs

@@ -92,10 +92,6 @@ fn load_identity_keys(pathfinder: &MixNodePathfinder) -> identity::KeyPair {
         pathfinder.public_identity_key().to_owned(),
     ))
     .expect("Failed to read stored identity key files");
-    println!(
-        "Public identity key: {}\n",
-        identity_keypair.public_key().to_base58_string()
-    );
     identity_keypair
 }
 
@@ -105,10 +101,6 @@ fn load_sphinx_keys(pathfinder: &MixNodePathfinder) -> encryption::KeyPair {
         pathfinder.public_encryption_key().to_owned(),
     ))
     .expect("Failed to read stored sphinx key files");
-    println!(
-        "Public sphinx key: {}\n",
-        sphinx_keypair.public_key().to_base58_string()
-    );
     sphinx_keypair
 }
 
@@ -178,5 +170,22 @@ pub fn execute(matches: &ArgMatches) {
         config.get_announce_address()
     );
 
+    println!(
+        "\nTo bond your mixnode you will need to provide the following:
+    Identity key: {}
+    Sphinx key: {}
+    Host: {}
+    Layer: {}
+    Location: {}
+    Version: {}
+    ",
+        identity_keypair.public_key().to_base58_string(),
+        sphinx_keypair.public_key().to_base58_string(),
+        config.get_announce_address(),
+        config.get_layer(),
+        config.get_location(),
+        config.get_version(),
+    );
+
     MixNode::new(config, identity_keypair, sphinx_keypair).run();
 }