Better devX for attested messages in app contracts (#55)

Author: hu55a1n1

cosmwasm/packages/quartz-cw/src/handler/execute/attested.rs

@@ -5,7 +5,8 @@ use crate::{
     error::Error,
     handler::Handler,
     msg::execute::attested::{
-        Attestation, Attested, EpidAttestation, HasUserData, MockAttestation,
+        Attestation, Attested, AttestedMsgSansHandler, EpidAttestation, HasUserData,
+        MockAttestation,
     },
     state::CONFIG,
 };
@@ -71,3 +72,14 @@ where
         Handler::handle(attestation, deps, env, info)
     }
 }
+
+impl<T> Handler for AttestedMsgSansHandler<T> {
+    fn handle(
+        self,
+        _deps: DepsMut<'_>,
+        _env: &Env,
+        _info: &MessageInfo,
+    ) -> Result<Response, Error> {
+        Ok(Response::default())
+    }
+}

cosmwasm/packages/quartz-cw/src/msg/execute/attested.rs

@@ -171,3 +171,36 @@ impl Attestation for MockAttestation {
         unimplemented!("MockAttestation handler is a noop")
     }
 }
+
+#[derive(Clone, Debug, PartialEq)]
+pub struct AttestedMsgSansHandler<T>(pub T);
+
+#[cw_serde]
+pub struct RawAttestedMsgSansHandler<T>(pub T);
+
+impl<T> HasDomainType for RawAttestedMsgSansHandler<T> {
+    type DomainType = AttestedMsgSansHandler<T>;
+}
+
+impl<T> HasUserData for AttestedMsgSansHandler<T>
+where
+    T: HasUserData,
+{
+    fn user_data(&self) -> UserData {
+        self.0.user_data()
+    }
+}
+
+impl<T> TryFrom<RawAttestedMsgSansHandler<T>> for AttestedMsgSansHandler<T> {
+    type Error = StdError;
+
+    fn try_from(value: RawAttestedMsgSansHandler<T>) -> Result<Self, Self::Error> {
+        Ok(Self(value.0))
+    }
+}
+
+impl<T> From<AttestedMsgSansHandler<T>> for RawAttestedMsgSansHandler<T> {
+    fn from(value: AttestedMsgSansHandler<T>) -> Self {
+        Self(value.0)
+    }
+}

utils/mtcs-intent/Cargo.toml

@@ -16,7 +16,7 @@ clap.workspace = true
 ecies.workspace = true
 hex.workspace = true
 k256.workspace = true
-rand.workspace = true
+rand = { workspace = true, default-features = true }
 serde.workspace = true
 serde_json.workspace = true
 sha2.workspace = true