Add (mock) API ed25519 (basic) tests

Author: maurolacy

packages/std/src/mock.rs

@@ -485,6 +485,11 @@ mod tests {
     const SECP256K1_SIG_HEX: &str = "207082eb2c3dfa0b454e0906051270ba4074ac93760ba9e7110cd9471475111151eb0dbbc9920e72146fb564f99d039802bf6ef2561446eb126ef364d21ee9c4";
     const SECP256K1_PUBKEY_HEX: &str = "04051c1ee2190ecfb174bfe4f90763f2b4ff7517b70a2aec1876ebcfd644c4633fb03f3cfbd94b1f376e34592d9d41ccaf640bb751b00a1fadeb0c01157769eb73";
 
+    const ED25519_MSG_HEX: &str = "72";
+    const ED25519_SIG_HEX: &str = "92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00";
+    const ED25519_PUBKEY_HEX: &str =
+        "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c";
+
     #[test]
     fn mock_info_arguments() {
         let name = HumanAddr("my name".to_string());
@@ -572,6 +577,45 @@ mod tests {
         assert!(!api.secp256k1_verify(&hash, &signature, &public_key));
     }
 
+    // Basic "works" test. Exhaustive tests on VM's side (packages/vm/src/imports.rs)
+    #[test]
+    fn ed25519_verify_works() {
+        let api = MockApi::default();
+
+        let hash = hex::decode(ED25519_MSG_HEX).unwrap();
+        let signature = hex::decode(ED25519_SIG_HEX).unwrap();
+        let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
+
+        assert!(api.ed25519_verify(&hash, &signature, &public_key));
+    }
+
+    // Basic "fails" test. Exhaustive tests on VM's side (packages/vm/src/imports.rs)
+    #[test]
+    fn ed25519_verify_fails() {
+        let api = MockApi::default();
+
+        let mut msg = hex::decode(ED25519_MSG_HEX).unwrap();
+        // alter msg
+        msg[0] ^= 0x01;
+        let signature = hex::decode(ED25519_SIG_HEX).unwrap();
+        let public_key = hex::decode(ED25519_PUBKEY_HEX).unwrap();
+
+        assert!(!api.ed25519_verify(&msg, &signature, &public_key));
+    }
+
+    // Basic "panics" test. Exhaustive tests on VM's side (packages/vm/src/imports.rs)
+    #[test]
+    #[should_panic(expected = "empty")]
+    fn ed25519_verify_panics() {
+        let api = MockApi::default();
+
+        let msg = hex::decode(ED25519_MSG_HEX).unwrap();
+        let signature = hex::decode(ED25519_SIG_HEX).unwrap();
+        let public_key = vec![];
+
+        assert!(!api.ed25519_verify(&msg, &signature, &public_key));
+    }
+
     #[test]
     fn bank_querier_all_balances() {
         let addr = HumanAddr::from("foobar");