view: restore denom metadata queries to view service

This was previously removed as being duplicative. But it isn't, because
something might want to request specifically from a view server, which can
respond with more opinionated denom metadata than the chain.

crates/proto/src/gen/penumbra.view.v1alpha1.rs

@@ -1282,6 +1282,39 @@ impl ::prost::Name for OwnedPositionIdsResponse {
         ::prost::alloc::format!("penumbra.view.v1alpha1.{}", Self::NAME)
     }
 }
+/// Requests information on an asset by asset id
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DenomMetadataByIdRequest {
+    /// The asset id to request information on.
+    #[prost(message, optional, tag = "2")]
+    pub asset_id: ::core::option::Option<super::super::core::asset::v1alpha1::AssetId>,
+}
+impl ::prost::Name for DenomMetadataByIdRequest {
+    const NAME: &'static str = "DenomMetadataByIdRequest";
+    const PACKAGE: &'static str = "penumbra.view.v1alpha1";
+    fn full_name() -> ::prost::alloc::string::String {
+        ::prost::alloc::format!("penumbra.view.v1alpha1.{}", Self::NAME)
+    }
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DenomMetadataByIdResponse {
+    /// If present, information on the requested asset.
+    ///
+    /// If the requested asset was unknown, this field will not be present.
+    #[prost(message, optional, tag = "1")]
+    pub denom_metadata: ::core::option::Option<
+        super::super::core::asset::v1alpha1::DenomMetadata,
+    >,
+}
+impl ::prost::Name for DenomMetadataByIdResponse {
+    const NAME: &'static str = "DenomMetadataByIdResponse";
+    const PACKAGE: &'static str = "penumbra.view.v1alpha1";
+    fn full_name() -> ::prost::alloc::string::String {
+        ::prost::alloc::format!("penumbra.view.v1alpha1.{}", Self::NAME)
+    }
+}
 /// Generated client implementations.
 #[cfg(feature = "rpc")]
 pub mod view_protocol_service_client {
@@ -1495,7 +1528,7 @@ pub mod view_protocol_service_client {
                 );
             self.inner.server_streaming(req, path, codec).await
         }
-        /// Queries for assets.
+        /// Queries for metadata about known assets.
         /// Returns a stream of `AssetsResponse`s.
         pub async fn assets(
             &mut self,
@@ -1527,6 +1560,41 @@ pub mod view_protocol_service_client {
                 );
             self.inner.server_streaming(req, path, codec).await
         }
+        /// Query for metadata about a specific asset, by asset ID.
+        ///
+        /// This is the same as the method on the shielded pool's `QueryService`, but exposing it
+        /// here allows a view server to provide more specific or opinionated asset metadata -- like
+        /// using an asset registry to provide tickers, symbols, etc.
+        pub async fn denom_metadata_by_id(
+            &mut self,
+            request: impl tonic::IntoRequest<super::DenomMetadataByIdRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::DenomMetadataByIdResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/penumbra.view.v1alpha1.ViewProtocolService/DenomMetadataById",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "penumbra.view.v1alpha1.ViewProtocolService",
+                        "DenomMetadataById",
+                    ),
+                );
+            self.inner.unary(req, path, codec).await
+        }
         /// Query for the current app parameters.
         pub async fn app_parameters(
             &mut self,
@@ -2236,12 +2304,24 @@ pub mod view_protocol_service_server {
             >
             + Send
             + 'static;
-        /// Queries for assets.
+        /// Queries for metadata about known assets.
         /// Returns a stream of `AssetsResponse`s.
         async fn assets(
             &self,
             request: tonic::Request<super::AssetsRequest>,
         ) -> std::result::Result<tonic::Response<Self::AssetsStream>, tonic::Status>;
+        /// Query for metadata about a specific asset, by asset ID.
+        ///
+        /// This is the same as the method on the shielded pool's `QueryService`, but exposing it
+        /// here allows a view server to provide more specific or opinionated asset metadata -- like
+        /// using an asset registry to provide tickers, symbols, etc.
+        async fn denom_metadata_by_id(
+            &self,
+            request: tonic::Request<super::DenomMetadataByIdRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::DenomMetadataByIdResponse>,
+            tonic::Status,
+        >;
         /// Query for the current app parameters.
         async fn app_parameters(
             &self,
@@ -2795,6 +2875,56 @@ pub mod view_protocol_service_server {
                     };
                     Box::pin(fut)
                 }
+                "/penumbra.view.v1alpha1.ViewProtocolService/DenomMetadataById" => {
+                    #[allow(non_camel_case_types)]
+                    struct DenomMetadataByIdSvc<T: ViewProtocolService>(pub Arc<T>);
+                    impl<
+                        T: ViewProtocolService,
+                    > tonic::server::UnaryService<super::DenomMetadataByIdRequest>
+                    for DenomMetadataByIdSvc<T> {
+                        type Response = super::DenomMetadataByIdResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::DenomMetadataByIdRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as ViewProtocolService>::denom_metadata_by_id(
+                                        &inner,
+                                        request,
+                                    )
+                                    .await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = DenomMetadataByIdSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                 "/penumbra.view.v1alpha1.ViewProtocolService/AppParameters" => {
                     #[allow(non_camel_case_types)]
                     struct AppParametersSvc<T: ViewProtocolService>(pub Arc<T>);

crates/proto/src/gen/penumbra.view.v1alpha1.serde.rs

@@ -1660,6 +1660,190 @@ impl<'de> serde::Deserialize<'de> for broadcast_transaction_response::Confirmed
         deserializer.deserialize_struct("penumbra.view.v1alpha1.BroadcastTransactionResponse.Confirmed", FIELDS, GeneratedVisitor)
     }
 }
+impl serde::Serialize for DenomMetadataByIdRequest {
+    #[allow(deprecated)]
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        use serde::ser::SerializeStruct;
+        let mut len = 0;
+        if self.asset_id.is_some() {
+            len += 1;
+        }
+        let mut struct_ser = serializer.serialize_struct("penumbra.view.v1alpha1.DenomMetadataByIdRequest", len)?;
+        if let Some(v) = self.asset_id.as_ref() {
+            struct_ser.serialize_field("assetId", v)?;
+        }
+        struct_ser.end()
+    }
+}
+impl<'de> serde::Deserialize<'de> for DenomMetadataByIdRequest {
+    #[allow(deprecated)]
+    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        const FIELDS: &[&str] = &[
+            "asset_id",
+            "assetId",
+        ];
+
+        #[allow(clippy::enum_variant_names)]
+        enum GeneratedField {
+            AssetId,
+        }
+        impl<'de> serde::Deserialize<'de> for GeneratedField {
+            fn deserialize<D>(deserializer: D) -> std::result::Result<GeneratedField, D::Error>
+            where
+                D: serde::Deserializer<'de>,
+            {
+                struct GeneratedVisitor;
+
+                impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+                    type Value = GeneratedField;
+
+                    fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                        write!(formatter, "expected one of: {:?}", &FIELDS)
+                    }
+
+                    #[allow(unused_variables)]
+                    fn visit_str<E>(self, value: &str) -> std::result::Result<GeneratedField, E>
+                    where
+                        E: serde::de::Error,
+                    {
+                        match value {
+                            "assetId" | "asset_id" => Ok(GeneratedField::AssetId),
+                            _ => Err(serde::de::Error::unknown_field(value, FIELDS)),
+                        }
+                    }
+                }
+                deserializer.deserialize_identifier(GeneratedVisitor)
+            }
+        }
+        struct GeneratedVisitor;
+        impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+            type Value = DenomMetadataByIdRequest;
+
+            fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                formatter.write_str("struct penumbra.view.v1alpha1.DenomMetadataByIdRequest")
+            }
+
+            fn visit_map<V>(self, mut map_: V) -> std::result::Result<DenomMetadataByIdRequest, V::Error>
+                where
+                    V: serde::de::MapAccess<'de>,
+            {
+                let mut asset_id__ = None;
+                while let Some(k) = map_.next_key()? {
+                    match k {
+                        GeneratedField::AssetId => {
+                            if asset_id__.is_some() {
+                                return Err(serde::de::Error::duplicate_field("assetId"));
+                            }
+                            asset_id__ = map_.next_value()?;
+                        }
+                    }
+                }
+                Ok(DenomMetadataByIdRequest {
+                    asset_id: asset_id__,
+                })
+            }
+        }
+        deserializer.deserialize_struct("penumbra.view.v1alpha1.DenomMetadataByIdRequest", FIELDS, GeneratedVisitor)
+    }
+}
+impl serde::Serialize for DenomMetadataByIdResponse {
+    #[allow(deprecated)]
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        use serde::ser::SerializeStruct;
+        let mut len = 0;
+        if self.denom_metadata.is_some() {
+            len += 1;
+        }
+        let mut struct_ser = serializer.serialize_struct("penumbra.view.v1alpha1.DenomMetadataByIdResponse", len)?;
+        if let Some(v) = self.denom_metadata.as_ref() {
+            struct_ser.serialize_field("denomMetadata", v)?;
+        }
+        struct_ser.end()
+    }
+}
+impl<'de> serde::Deserialize<'de> for DenomMetadataByIdResponse {
+    #[allow(deprecated)]
+    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        const FIELDS: &[&str] = &[
+            "denom_metadata",
+            "denomMetadata",
+        ];
+
+        #[allow(clippy::enum_variant_names)]
+        enum GeneratedField {
+            DenomMetadata,
+        }
+        impl<'de> serde::Deserialize<'de> for GeneratedField {
+            fn deserialize<D>(deserializer: D) -> std::result::Result<GeneratedField, D::Error>
+            where
+                D: serde::Deserializer<'de>,
+            {
+                struct GeneratedVisitor;
+
+                impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+                    type Value = GeneratedField;
+
+                    fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                        write!(formatter, "expected one of: {:?}", &FIELDS)
+                    }
+
+                    #[allow(unused_variables)]
+                    fn visit_str<E>(self, value: &str) -> std::result::Result<GeneratedField, E>
+                    where
+                        E: serde::de::Error,
+                    {
+                        match value {
+                            "denomMetadata" | "denom_metadata" => Ok(GeneratedField::DenomMetadata),
+                            _ => Err(serde::de::Error::unknown_field(value, FIELDS)),
+                        }
+                    }
+                }
+                deserializer.deserialize_identifier(GeneratedVisitor)
+            }
+        }
+        struct GeneratedVisitor;
+        impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+            type Value = DenomMetadataByIdResponse;
+
+            fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                formatter.write_str("struct penumbra.view.v1alpha1.DenomMetadataByIdResponse")
+            }
+
+            fn visit_map<V>(self, mut map_: V) -> std::result::Result<DenomMetadataByIdResponse, V::Error>
+                where
+                    V: serde::de::MapAccess<'de>,
+            {
+                let mut denom_metadata__ = None;
+                while let Some(k) = map_.next_key()? {
+                    match k {
+                        GeneratedField::DenomMetadata => {
+                            if denom_metadata__.is_some() {
+                                return Err(serde::de::Error::duplicate_field("denomMetadata"));
+                            }
+                            denom_metadata__ = map_.next_value()?;
+                        }
+                    }
+                }
+                Ok(DenomMetadataByIdResponse {
+                    denom_metadata: denom_metadata__,
+                })
+            }
+        }
+        deserializer.deserialize_struct("penumbra.view.v1alpha1.DenomMetadataByIdResponse", FIELDS, GeneratedVisitor)
+    }
+}
 impl serde::Serialize for EphemeralAddressRequest {
     #[allow(deprecated)]
     fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>