From 720d841b176a499fd8622557508b1d20011ca74a Mon Sep 17 00:00:00 2001
From: Ismail Khoffi <Ismail.Khoffi@gmail.com>
Date: Sat, 11 Apr 2020 02:53:29 +0200
Subject: [PATCH] Show simple way we could (de)serialize the whole amino
 type/value spiel

---
 tendermint/src/amino_types.rs                 |  1 +
 tendermint/src/amino_types/registered_json.rs | 36 +++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 tendermint/src/amino_types/registered_json.rs

diff --git a/tendermint/src/amino_types.rs b/tendermint/src/amino_types.rs
index 778e99c77..ea647fcfa 100644
--- a/tendermint/src/amino_types.rs
+++ b/tendermint/src/amino_types.rs
@@ -8,6 +8,7 @@ pub mod ed25519;
 pub mod message;
 pub mod ping;
 pub mod proposal;
+mod registered_json;
 pub mod remote_error;
 pub mod signature;
 pub mod time;
diff --git a/tendermint/src/amino_types/registered_json.rs b/tendermint/src/amino_types/registered_json.rs
new file mode 100644
index 000000000..531c369d4
--- /dev/null
+++ b/tendermint/src/amino_types/registered_json.rs
@@ -0,0 +1,36 @@
+#[cfg(test)]
+mod test {
+    use crate::test::test_serialization_roundtrip;
+    use serde::de::DeserializeOwned;
+    use serde::{Deserialize, Serialize};
+
+    #[derive(Serialize, Deserialize, Clone, PartialEq, Debug)]
+    struct MsgUnjail {
+        #[serde(alias = "address")]
+        validator_addr: String,
+        // NOTE: Above shouldn't be a string but: validator_addr: Vec<u8>,
+        // In reality you would need to tell serde how to read bechifyed addresses instead!
+        // but this is orthogonal to what this code wants to show.
+    }
+
+    // TODO: deserves a better name
+    #[derive(Serialize, Deserialize, Clone, PartialEq, Debug)]
+    struct AminoJSON<T: Serialize + DeserializeOwned> {
+        #[serde(alias = "type")]
+        pub type_name: Option<String>,
+        #[serde(bound(deserialize = "Option<T>: Deserialize<'de>"))]
+        pub value: Option<T>,
+    }
+
+    #[test]
+    fn test_simple_example() {
+        let json_data =
+            r#"{"type":"cosmos-sdk/MsgUnjail","value":{"address":"cosmosvaloper1v93xxeqhg9nn6"}}"#;
+        let res = serde_json::from_str::<AminoJSON<MsgUnjail>>(json_data);
+        println!("res: {:?}", res);
+        assert!(res.is_ok());
+        let msg_unjail = res.unwrap().value;
+        println!("{:?}", msg_unjail);
+        test_serialization_roundtrip::<AminoJSON<MsgUnjail>>(&json_data);
+    }
+}