Feature/various improvements (#1282)

* Added abci::Data field to ExecuteResult

* optional serde support for ed25519 keys

* optional serde support for x25519 keys

* actually calling dotenv at validator API startup

* Added STATE_DENOM network specific constant

* unit test fixes

validator-api/src/coconut/deposit.rs

@@ -121,7 +121,10 @@ mod test {
                     .to_base58_string(),
             )
             .unwrap(),
-            encryption::KeyPair::new(&mut rng).private_key().clone(),
+            encryption::PrivateKey::from_bytes(
+                &encryption::KeyPair::new(&mut rng).private_key().to_bytes(),
+            )
+            .unwrap(),
         );
         let (_, blind_sign_req) = prepare_blind_sign(
             &params,

validator-api/src/coconut/tests.rs

@@ -146,7 +146,10 @@ async fn signed_before() {
                 .to_base58_string(),
         )
         .unwrap(),
-        encryption::KeyPair::new(&mut rng).private_key().clone(),
+        encryption::PrivateKey::from_bytes(
+            &encryption::KeyPair::new(&mut rng).private_key().to_bytes(),
+        )
+        .unwrap(),
     );
     let (_, blind_sign_req) = prepare_blind_sign(
         &params,
@@ -342,7 +345,10 @@ async fn blind_sign_correct() {
                 .to_base58_string(),
         )
         .unwrap(),
-        encryption::KeyPair::new(&mut rng).private_key().clone(),
+        encryption::PrivateKey::from_bytes(
+            &encryption::KeyPair::new(&mut rng).private_key().to_bytes(),
+        )
+        .unwrap(),
     );
 
     let key_pair = ttp_keygen(&params, 1, 1).unwrap().remove(0);