add t-addr fetching to view service

crates/proto/src/gen/penumbra.view.v1.rs

@@ -1,3 +1,32 @@
+/// There's only one transparent address per wallet, so this request has no parameters;
+/// the message exists to satisfy forward-compatibility properties.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransparentAddressRequest {}
+impl ::prost::Name for TransparentAddressRequest {
+    const NAME: &'static str = "TransparentAddressRequest";
+    const PACKAGE: &'static str = "penumbra.view.v1";
+    fn full_name() -> ::prost::alloc::string::String {
+        ::prost::alloc::format!("penumbra.view.v1.{}", Self::NAME)
+    }
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransparentAddressResponse {
+    /// The raw (binary) transparent address
+    #[prost(message, optional, tag = "1")]
+    pub address: ::core::option::Option<super::super::core::keys::v1::Address>,
+    /// The t-address encoding of the transparent address
+    #[prost(string, tag = "2")]
+    pub encoding: ::prost::alloc::string::String,
+}
+impl ::prost::Name for TransparentAddressResponse {
+    const NAME: &'static str = "TransparentAddressResponse";
+    const PACKAGE: &'static str = "penumbra.view.v1";
+    fn full_name() -> ::prost::alloc::string::String {
+        ::prost::alloc::format!("penumbra.view.v1.{}", Self::NAME)
+    }
+}
 /// Filters in an `AuctionsRequest` will be combined using `AND` logic -- that
 /// is, the more filters you add, the fewer responses you're likely to get.
 #[allow(clippy::derive_partial_eq_without_eq)]
@@ -2117,6 +2146,34 @@ pub mod view_service_client {
                 );
             self.inner.unary(req, path, codec).await
         }
+        /// Returns the transparent address for the user's wallet.
+        pub async fn transparent_address(
+            &mut self,
+            request: impl tonic::IntoRequest<super::TransparentAddressRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::TransparentAddressResponse>,
+            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.v1.ViewService/TransparentAddress",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("penumbra.view.v1.ViewService", "TransparentAddress"),
+                );
+            self.inner.unary(req, path, codec).await
+        }
         /// Query for wallet id
         pub async fn wallet_id(
             &mut self,
@@ -2800,6 +2857,14 @@ pub mod view_service_server {
             tonic::Response<super::AddressByIndexResponse>,
             tonic::Status,
         >;
+        /// Returns the transparent address for the user's wallet.
+        async fn transparent_address(
+            &self,
+            request: tonic::Request<super::TransparentAddressRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::TransparentAddressResponse>,
+            tonic::Status,
+        >;
         /// Query for wallet id
         async fn wallet_id(
             &self,
@@ -3596,6 +3661,53 @@ pub mod view_service_server {
                     };
                     Box::pin(fut)
                 }
+                "/penumbra.view.v1.ViewService/TransparentAddress" => {
+                    #[allow(non_camel_case_types)]
+                    struct TransparentAddressSvc<T: ViewService>(pub Arc<T>);
+                    impl<
+                        T: ViewService,
+                    > tonic::server::UnaryService<super::TransparentAddressRequest>
+                    for TransparentAddressSvc<T> {
+                        type Response = super::TransparentAddressResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::TransparentAddressRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as ViewService>::transparent_address(&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 = TransparentAddressSvc(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.v1.ViewService/WalletId" => {
                     #[allow(non_camel_case_types)]
                     struct WalletIdSvc<T: ViewService>(pub Arc<T>);

crates/proto/src/gen/penumbra.view.v1.serde.rs

@@ -8305,6 +8305,190 @@ impl<'de> serde::Deserialize<'de> for TransactionPlannerResponse {
         deserializer.deserialize_struct("penumbra.view.v1.TransactionPlannerResponse", FIELDS, GeneratedVisitor)
     }
 }
+impl serde::Serialize for TransparentAddressRequest {
+    #[allow(deprecated)]
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        use serde::ser::SerializeStruct;
+        let len = 0;
+        let struct_ser = serializer.serialize_struct("penumbra.view.v1.TransparentAddressRequest", len)?;
+        struct_ser.end()
+    }
+}
+impl<'de> serde::Deserialize<'de> for TransparentAddressRequest {
+    #[allow(deprecated)]
+    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        const FIELDS: &[&str] = &[
+        ];
+
+        #[allow(clippy::enum_variant_names)]
+        enum GeneratedField {
+            __SkipField__,
+        }
+        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,
+                    {
+                            Ok(GeneratedField::__SkipField__)
+                    }
+                }
+                deserializer.deserialize_identifier(GeneratedVisitor)
+            }
+        }
+        struct GeneratedVisitor;
+        impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+            type Value = TransparentAddressRequest;
+
+            fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                formatter.write_str("struct penumbra.view.v1.TransparentAddressRequest")
+            }
+
+            fn visit_map<V>(self, mut map_: V) -> std::result::Result<TransparentAddressRequest, V::Error>
+                where
+                    V: serde::de::MapAccess<'de>,
+            {
+                while map_.next_key::<GeneratedField>()?.is_some() {
+                    let _ = map_.next_value::<serde::de::IgnoredAny>()?;
+                }
+                Ok(TransparentAddressRequest {
+                })
+            }
+        }
+        deserializer.deserialize_struct("penumbra.view.v1.TransparentAddressRequest", FIELDS, GeneratedVisitor)
+    }
+}
+impl serde::Serialize for TransparentAddressResponse {
+    #[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.address.is_some() {
+            len += 1;
+        }
+        if !self.encoding.is_empty() {
+            len += 1;
+        }
+        let mut struct_ser = serializer.serialize_struct("penumbra.view.v1.TransparentAddressResponse", len)?;
+        if let Some(v) = self.address.as_ref() {
+            struct_ser.serialize_field("address", v)?;
+        }
+        if !self.encoding.is_empty() {
+            struct_ser.serialize_field("encoding", &self.encoding)?;
+        }
+        struct_ser.end()
+    }
+}
+impl<'de> serde::Deserialize<'de> for TransparentAddressResponse {
+    #[allow(deprecated)]
+    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        const FIELDS: &[&str] = &[
+            "address",
+            "encoding",
+        ];
+
+        #[allow(clippy::enum_variant_names)]
+        enum GeneratedField {
+            Address,
+            Encoding,
+            __SkipField__,
+        }
+        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 {
+                            "address" => Ok(GeneratedField::Address),
+                            "encoding" => Ok(GeneratedField::Encoding),
+                            _ => Ok(GeneratedField::__SkipField__),
+                        }
+                    }
+                }
+                deserializer.deserialize_identifier(GeneratedVisitor)
+            }
+        }
+        struct GeneratedVisitor;
+        impl<'de> serde::de::Visitor<'de> for GeneratedVisitor {
+            type Value = TransparentAddressResponse;
+
+            fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                formatter.write_str("struct penumbra.view.v1.TransparentAddressResponse")
+            }
+
+            fn visit_map<V>(self, mut map_: V) -> std::result::Result<TransparentAddressResponse, V::Error>
+                where
+                    V: serde::de::MapAccess<'de>,
+            {
+                let mut address__ = None;
+                let mut encoding__ = None;
+                while let Some(k) = map_.next_key()? {
+                    match k {
+                        GeneratedField::Address => {
+                            if address__.is_some() {
+                                return Err(serde::de::Error::duplicate_field("address"));
+                            }
+                            address__ = map_.next_value()?;
+                        }
+                        GeneratedField::Encoding => {
+                            if encoding__.is_some() {
+                                return Err(serde::de::Error::duplicate_field("encoding"));
+                            }
+                            encoding__ = Some(map_.next_value()?);
+                        }
+                        GeneratedField::__SkipField__ => {
+                            let _ = map_.next_value::<serde::de::IgnoredAny>()?;
+                        }
+                    }
+                }
+                Ok(TransparentAddressResponse {
+                    address: address__,
+                    encoding: encoding__.unwrap_or_default(),
+                })
+            }
+        }
+        deserializer.deserialize_struct("penumbra.view.v1.TransparentAddressResponse", FIELDS, GeneratedVisitor)
+    }
+}
 impl serde::Serialize for UnbondingTokensByAddressIndexRequest {
     #[allow(deprecated)]
     fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>

crates/view/src/service.rs

@@ -815,6 +815,25 @@ impl ViewService for ViewServer {
             address_index: fvk.address_index(&address).map(Into::into),
         }))
     }
+    async fn transparent_address(
+        &self,
+        _request: tonic::Request<pb::TransparentAddressRequest>,
+    ) -> Result<tonic::Response<pb::TransparentAddressResponse>, tonic::Status> {
+        let fvk =
+            self.storage.full_viewing_key().await.map_err(|_| {
+                tonic::Status::failed_precondition("Error retrieving full viewing key")
+            })?;
+
+        let encoding = fvk.incoming().transparent_address();
+        let address: Address = encoding
+            .parse()
+            .map_err(|_| tonic::Status::internal("could not parse newly generated address"))?;
+
+        Ok(tonic::Response::new(pb::TransparentAddressResponse {
+            address: Some(address.into()),
+            encoding,
+        }))
+    }
 
     #[instrument(skip_all, level = "trace")]
     async fn ephemeral_address(

proto/penumbra/penumbra/view/v1/view.proto

@@ -61,6 +61,9 @@ service ViewService {
   // Query for an address given an address index
   rpc AddressByIndex(AddressByIndexRequest) returns (AddressByIndexResponse);
 
+  // Returns the transparent address for the user's wallet.
+  rpc TransparentAddress(TransparentAddressRequest) returns (TransparentAddressResponse);
+
   // Query for wallet id
   rpc WalletId(WalletIdRequest) returns (WalletIdResponse);
 
@@ -148,6 +151,18 @@ service ViewService {
   rpc Auctions(AuctionsRequest) returns (stream AuctionsResponse);
 }
 
+// There's only one transparent address per wallet, so this request has no parameters;
+// the message exists to satisfy forward-compatibility properties.
+message TransparentAddressRequest {
+}
+
+message TransparentAddressResponse {
+  // The raw (binary) transparent address
+  core.keys.v1.Address address = 1;
+  // The t-address encoding of the transparent address
+  string encoding = 2;
+}
+
 // Filters in an `AuctionsRequest` will be combined using `AND` logic -- that
 // is, the more filters you add, the fewer responses you're likely to get.
 message AuctionsRequest {