rebuild code

src/protos/auth.rs

@@ -0,0 +1,260 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GenerateAuthChallengeRequest {
+    /// / Role the client is attempting to generate tokens for.
+    #[prost(enumeration = "Role", tag = "1")]
+    pub role: i32,
+    /// / Client's 32 byte pubkey.
+    #[prost(bytes = "vec", tag = "2")]
+    pub pubkey: ::prost::alloc::vec::Vec<u8>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GenerateAuthChallengeResponse {
+    #[prost(string, tag = "1")]
+    pub challenge: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GenerateAuthTokensRequest {
+    /// / The pre-signed challenge.
+    #[prost(string, tag = "1")]
+    pub challenge: ::prost::alloc::string::String,
+    /// / The signing keypair's corresponding 32 byte pubkey.
+    #[prost(bytes = "vec", tag = "2")]
+    pub client_pubkey: ::prost::alloc::vec::Vec<u8>,
+    /// / The 64 byte signature of the challenge signed by the client's private key. The private key must correspond to
+    /// the pubkey passed in the \[GenerateAuthChallenge\] method. The client is expected to sign the challenge token
+    /// prepended with their pubkey. For example sign(pubkey, challenge).
+    #[prost(bytes = "vec", tag = "3")]
+    pub signed_challenge: ::prost::alloc::vec::Vec<u8>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Token {
+    /// / The token.
+    #[prost(string, tag = "1")]
+    pub value: ::prost::alloc::string::String,
+    /// / When the token will expire.
+    #[prost(message, optional, tag = "2")]
+    pub expires_at_utc: ::core::option::Option<::prost_types::Timestamp>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GenerateAuthTokensResponse {
+    /// / The token granting access to resources.
+    #[prost(message, optional, tag = "1")]
+    pub access_token: ::core::option::Option<Token>,
+    /// / The token used to refresh the access_token. This has a longer TTL than the access_token.
+    #[prost(message, optional, tag = "2")]
+    pub refresh_token: ::core::option::Option<Token>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct RefreshAccessTokenRequest {
+    /// / Non-expired refresh token obtained from the \[GenerateAuthTokens\] method.
+    #[prost(string, tag = "1")]
+    pub refresh_token: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct RefreshAccessTokenResponse {
+    /// / Fresh access_token.
+    #[prost(message, optional, tag = "1")]
+    pub access_token: ::core::option::Option<Token>,
+}
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum Role {
+    Relayer = 0,
+    Searcher = 1,
+    Validator = 2,
+    ShredstreamSubscriber = 3,
+}
+impl Role {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            Self::Relayer => "RELAYER",
+            Self::Searcher => "SEARCHER",
+            Self::Validator => "VALIDATOR",
+            Self::ShredstreamSubscriber => "SHREDSTREAM_SUBSCRIBER",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "RELAYER" => Some(Self::Relayer),
+            "SEARCHER" => Some(Self::Searcher),
+            "VALIDATOR" => Some(Self::Validator),
+            "SHREDSTREAM_SUBSCRIBER" => Some(Self::ShredstreamSubscriber),
+            _ => None,
+        }
+    }
+}
+/// Generated client implementations.
+pub mod auth_service_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    /// / This service is responsible for issuing auth tokens to clients for API access.
+    #[derive(Debug, Clone)]
+    pub struct AuthServiceClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl AuthServiceClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> AuthServiceClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> AuthServiceClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            AuthServiceClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// / Returns a challenge, client is expected to sign this challenge with an appropriate keypair in order to obtain access tokens.
+        pub async fn generate_auth_challenge(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GenerateAuthChallengeRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GenerateAuthChallengeResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/auth.AuthService/GenerateAuthChallenge",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("auth.AuthService", "GenerateAuthChallenge"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// / Provides the client with the initial pair of auth tokens for API access.
+        pub async fn generate_auth_tokens(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GenerateAuthTokensRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GenerateAuthTokensResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/auth.AuthService/GenerateAuthTokens",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("auth.AuthService", "GenerateAuthTokens"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// / Call this method with a non-expired refresh token to obtain a new access token.
+        pub async fn refresh_access_token(
+            &mut self,
+            request: impl tonic::IntoRequest<super::RefreshAccessTokenRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::RefreshAccessTokenResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/auth.AuthService/RefreshAccessToken",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("auth.AuthService", "RefreshAccessToken"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}

src/protos/block.rs

@@ -0,0 +1,19 @@
+// This file is @generated by prost-build.
+/// Condensed block helpful for getting data around efficiently internal to our system.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CondensedBlock {
+    #[prost(message, optional, tag = "1")]
+    pub header: ::core::option::Option<super::shared::Header>,
+    #[prost(string, tag = "2")]
+    pub previous_blockhash: ::prost::alloc::string::String,
+    #[prost(string, tag = "3")]
+    pub blockhash: ::prost::alloc::string::String,
+    #[prost(uint64, tag = "4")]
+    pub parent_slot: u64,
+    #[prost(bytes = "vec", repeated, tag = "5")]
+    pub versioned_transactions: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
+    #[prost(uint64, tag = "6")]
+    pub slot: u64,
+    #[prost(string, tag = "7")]
+    pub commitment: ::prost::alloc::string::String,
+}

src/protos/block_engine.rs

@@ -0,0 +1,462 @@
+// This file is @generated by prost-build.
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct SubscribePacketsRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SubscribePacketsResponse {
+    #[prost(message, optional, tag = "1")]
+    pub header: ::core::option::Option<super::shared::Header>,
+    #[prost(message, optional, tag = "2")]
+    pub batch: ::core::option::Option<super::packet::PacketBatch>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct SubscribeBundlesRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SubscribeBundlesResponse {
+    #[prost(message, repeated, tag = "1")]
+    pub bundles: ::prost::alloc::vec::Vec<super::bundle::BundleUuid>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct BlockBuilderFeeInfoRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct BlockBuilderFeeInfoResponse {
+    #[prost(string, tag = "1")]
+    pub pubkey: ::prost::alloc::string::String,
+    /// commission (0-100)
+    #[prost(uint64, tag = "2")]
+    pub commission: u64,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct AccountsOfInterest {
+    /// use * for all accounts
+    #[prost(string, repeated, tag = "1")]
+    pub accounts: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct AccountsOfInterestRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct AccountsOfInterestUpdate {
+    #[prost(string, repeated, tag = "1")]
+    pub accounts: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct ProgramsOfInterestRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ProgramsOfInterestUpdate {
+    #[prost(string, repeated, tag = "1")]
+    pub programs: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+/// A series of packets with an expiration attached to them.
+/// The header contains a timestamp for when this packet was generated.
+/// The expiry is how long the packet batches have before they expire and are forwarded to the validator.
+/// This provides a more censorship resistant method to MEV than block engines receiving packets directly.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ExpiringPacketBatch {
+    #[prost(message, optional, tag = "1")]
+    pub header: ::core::option::Option<super::shared::Header>,
+    #[prost(message, optional, tag = "2")]
+    pub batch: ::core::option::Option<super::packet::PacketBatch>,
+    #[prost(uint32, tag = "3")]
+    pub expiry_ms: u32,
+}
+/// Packets and heartbeats are sent over the same stream.
+/// ExpiringPacketBatches have an expiration attached to them so the block engine can track
+/// how long it has until the relayer forwards the packets to the validator.
+/// Heartbeats contain a timestamp from the system and is used as a simple and naive time-sync mechanism
+/// so the block engine has some idea on how far their clocks are apart.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PacketBatchUpdate {
+    #[prost(oneof = "packet_batch_update::Msg", tags = "1, 2")]
+    pub msg: ::core::option::Option<packet_batch_update::Msg>,
+}
+/// Nested message and enum types in `PacketBatchUpdate`.
+pub mod packet_batch_update {
+    #[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Msg {
+        #[prost(message, tag = "1")]
+        Batches(super::ExpiringPacketBatch),
+        #[prost(message, tag = "2")]
+        Heartbeat(super::super::shared::Heartbeat),
+    }
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct StartExpiringPacketStreamResponse {
+    #[prost(message, optional, tag = "1")]
+    pub heartbeat: ::core::option::Option<super::shared::Heartbeat>,
+}
+/// Generated client implementations.
+pub mod block_engine_validator_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    /// / Validators can connect to Block Engines to receive packets and bundles.
+    #[derive(Debug, Clone)]
+    pub struct BlockEngineValidatorClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl BlockEngineValidatorClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> BlockEngineValidatorClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> BlockEngineValidatorClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            BlockEngineValidatorClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// / Validators can subscribe to the block engine to receive a stream of packets
+        pub async fn subscribe_packets(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SubscribePacketsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::SubscribePacketsResponse>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineValidator/SubscribePackets",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineValidator",
+                        "SubscribePackets",
+                    ),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+        /// / Validators can subscribe to the block engine to receive a stream of simulated and profitable bundles
+        pub async fn subscribe_bundles(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SubscribeBundlesRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::SubscribeBundlesResponse>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineValidator/SubscribeBundles",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineValidator",
+                        "SubscribeBundles",
+                    ),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+        /// Block builders can optionally collect fees. This returns fee information if a block builder wants to
+        /// collect one.
+        pub async fn get_block_builder_fee_info(
+            &mut self,
+            request: impl tonic::IntoRequest<super::BlockBuilderFeeInfoRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::BlockBuilderFeeInfoResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineValidator/GetBlockBuilderFeeInfo",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineValidator",
+                        "GetBlockBuilderFeeInfo",
+                    ),
+                );
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated client implementations.
+pub mod block_engine_relayer_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    /// / Relayers can forward packets to Block Engines.
+    /// / Block Engines provide an AccountsOfInterest field to only send transactions that are of interest.
+    #[derive(Debug, Clone)]
+    pub struct BlockEngineRelayerClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl BlockEngineRelayerClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> BlockEngineRelayerClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> BlockEngineRelayerClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            BlockEngineRelayerClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// / The block engine feeds accounts of interest (AOI) updates to the relayer periodically.
+        /// / For all transactions the relayer receives, it forwards transactions to the block engine which write-lock
+        /// / any of the accounts in the AOI.
+        pub async fn subscribe_accounts_of_interest(
+            &mut self,
+            request: impl tonic::IntoRequest<super::AccountsOfInterestRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::AccountsOfInterestUpdate>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineRelayer/SubscribeAccountsOfInterest",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineRelayer",
+                        "SubscribeAccountsOfInterest",
+                    ),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+        pub async fn subscribe_programs_of_interest(
+            &mut self,
+            request: impl tonic::IntoRequest<super::ProgramsOfInterestRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::ProgramsOfInterestUpdate>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineRelayer/SubscribeProgramsOfInterest",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineRelayer",
+                        "SubscribeProgramsOfInterest",
+                    ),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+        /// Validators can subscribe to packets from the relayer and receive a multiplexed signal that contains a mixture
+        /// of packets and heartbeats.
+        /// NOTE: This is a bi-directional stream due to a bug with how Envoy handles half closed client-side streams.
+        /// The issue is being tracked here: https://github.com/envoyproxy/envoy/issues/22748. In the meantime, the
+        /// server will stream heartbeats to clients at some reasonable cadence.
+        pub async fn start_expiring_packet_stream(
+            &mut self,
+            request: impl tonic::IntoStreamingRequest<Message = super::PacketBatchUpdate>,
+        ) -> std::result::Result<
+            tonic::Response<
+                tonic::codec::Streaming<super::StartExpiringPacketStreamResponse>,
+            >,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/block_engine.BlockEngineRelayer/StartExpiringPacketStream",
+            );
+            let mut req = request.into_streaming_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "block_engine.BlockEngineRelayer",
+                        "StartExpiringPacketStream",
+                    ),
+                );
+            self.inner.streaming(req, path, codec).await
+        }
+    }
+}

src/protos/bundle.rs

@@ -0,0 +1,171 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Bundle {
+    #[prost(message, optional, tag = "2")]
+    pub header: ::core::option::Option<super::shared::Header>,
+    #[prost(message, repeated, tag = "3")]
+    pub packets: ::prost::alloc::vec::Vec<super::packet::Packet>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct BundleUuid {
+    #[prost(message, optional, tag = "1")]
+    pub bundle: ::core::option::Option<Bundle>,
+    #[prost(string, tag = "2")]
+    pub uuid: ::prost::alloc::string::String,
+}
+/// Indicates the bundle was accepted and forwarded to a validator.
+/// NOTE: A single bundle may have multiple events emitted if forwarded to many validators.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Accepted {
+    /// Slot at which bundle was forwarded.
+    #[prost(uint64, tag = "1")]
+    pub slot: u64,
+    /// Validator identity bundle was forwarded to.
+    #[prost(string, tag = "2")]
+    pub validator_identity: ::prost::alloc::string::String,
+}
+/// Indicates the bundle was dropped and therefore not forwarded to any validator.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Rejected {
+    #[prost(oneof = "rejected::Reason", tags = "1, 2, 3, 4, 5")]
+    pub reason: ::core::option::Option<rejected::Reason>,
+}
+/// Nested message and enum types in `Rejected`.
+pub mod rejected {
+    #[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Reason {
+        #[prost(message, tag = "1")]
+        StateAuctionBidRejected(super::StateAuctionBidRejected),
+        #[prost(message, tag = "2")]
+        WinningBatchBidRejected(super::WinningBatchBidRejected),
+        #[prost(message, tag = "3")]
+        SimulationFailure(super::SimulationFailure),
+        #[prost(message, tag = "4")]
+        InternalError(super::InternalError),
+        #[prost(message, tag = "5")]
+        DroppedBundle(super::DroppedBundle),
+    }
+}
+/// Indicates the bundle's bid was high enough to win its state auction.
+/// However, not high enough relative to other state auction winners and therefore excluded from being forwarded.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct WinningBatchBidRejected {
+    /// Auction's unique identifier.
+    #[prost(string, tag = "1")]
+    pub auction_id: ::prost::alloc::string::String,
+    /// Bundle's simulated bid.
+    #[prost(uint64, tag = "2")]
+    pub simulated_bid_lamports: u64,
+    #[prost(string, optional, tag = "3")]
+    pub msg: ::core::option::Option<::prost::alloc::string::String>,
+}
+/// Indicates the bundle's bid was __not__ high enough to be included in its state auction's set of winners.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct StateAuctionBidRejected {
+    /// Auction's unique identifier.
+    #[prost(string, tag = "1")]
+    pub auction_id: ::prost::alloc::string::String,
+    /// Bundle's simulated bid.
+    #[prost(uint64, tag = "2")]
+    pub simulated_bid_lamports: u64,
+    #[prost(string, optional, tag = "3")]
+    pub msg: ::core::option::Option<::prost::alloc::string::String>,
+}
+/// Bundle dropped due to simulation failure.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SimulationFailure {
+    /// Signature of the offending transaction.
+    #[prost(string, tag = "1")]
+    pub tx_signature: ::prost::alloc::string::String,
+    #[prost(string, optional, tag = "2")]
+    pub msg: ::core::option::Option<::prost::alloc::string::String>,
+}
+/// Bundle dropped due to an internal error.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct InternalError {
+    #[prost(string, tag = "1")]
+    pub msg: ::prost::alloc::string::String,
+}
+/// Bundle dropped (e.g. because no leader upcoming)
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct DroppedBundle {
+    #[prost(string, tag = "1")]
+    pub msg: ::prost::alloc::string::String,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct Finalized {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Processed {
+    #[prost(string, tag = "1")]
+    pub validator_identity: ::prost::alloc::string::String,
+    #[prost(uint64, tag = "2")]
+    pub slot: u64,
+    /// / Index within the block.
+    #[prost(uint64, tag = "3")]
+    pub bundle_index: u64,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct Dropped {
+    #[prost(enumeration = "DroppedReason", tag = "1")]
+    pub reason: i32,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct BundleResult {
+    /// Bundle's Uuid.
+    #[prost(string, tag = "1")]
+    pub bundle_id: ::prost::alloc::string::String,
+    #[prost(oneof = "bundle_result::Result", tags = "2, 3, 4, 5, 6")]
+    pub result: ::core::option::Option<bundle_result::Result>,
+}
+/// Nested message and enum types in `BundleResult`.
+pub mod bundle_result {
+    #[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Result {
+        /// Indicated accepted by the block-engine and forwarded to a jito-solana validator.
+        #[prost(message, tag = "2")]
+        Accepted(super::Accepted),
+        /// Rejected by the block-engine.
+        #[prost(message, tag = "3")]
+        Rejected(super::Rejected),
+        /// Reached finalized commitment level.
+        #[prost(message, tag = "4")]
+        Finalized(super::Finalized),
+        /// Reached a processed commitment level.
+        #[prost(message, tag = "5")]
+        Processed(super::Processed),
+        /// Was accepted and forwarded by the block-engine but never landed on-chain.
+        #[prost(message, tag = "6")]
+        Dropped(super::Dropped),
+    }
+}
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum DroppedReason {
+    BlockhashExpired = 0,
+    /// One or more transactions in the bundle landed on-chain, invalidating the bundle.
+    PartiallyProcessed = 1,
+    /// This indicates bundle was processed but not finalized. This could occur during forks.
+    NotFinalized = 2,
+}
+impl DroppedReason {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            Self::BlockhashExpired => "BlockhashExpired",
+            Self::PartiallyProcessed => "PartiallyProcessed",
+            Self::NotFinalized => "NotFinalized",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "BlockhashExpired" => Some(Self::BlockhashExpired),
+            "PartiallyProcessed" => Some(Self::PartiallyProcessed),
+            "NotFinalized" => Some(Self::NotFinalized),
+            _ => None,
+        }
+    }
+}

src/protos/convert.rs

@@ -0,0 +1,158 @@
+use std::{
+    cmp::min,
+    net::{AddrParseError, IpAddr, Ipv4Addr, SocketAddr},
+    str::FromStr,
+};
+
+use bincode::serialize;
+use solana_perf::packet::{Packet, PacketBatch, PACKET_DATA_SIZE};
+use solana_sdk::{
+    packet::{Meta, PacketFlags},
+    transaction::VersionedTransaction,
+};
+
+use crate::protos::{
+    packet::{
+        Meta as ProtoMeta, Packet as ProtoPacket, PacketBatch as ProtoPacketBatch,
+        PacketFlags as ProtoPacketFlags,
+    },
+    shared::Socket,
+};
+
+/// Converts a Solana packet to a protobuf packet
+/// NOTE: the packet.data() function will filter packets marked for discard
+pub fn packet_to_proto_packet(p: &Packet) -> Option<ProtoPacket> {
+    Some(ProtoPacket {
+        data: p.data(..)?.to_vec(),
+        meta: Some(ProtoMeta {
+            size: p.meta().size as u64,
+            addr: p.meta().addr.to_string(),
+            port: p.meta().port as u32,
+            flags: Some(ProtoPacketFlags {
+                discard: p.meta().discard(),
+                forwarded: p.meta().forwarded(),
+                repair: p.meta().repair(),
+                simple_vote_tx: p.meta().is_simple_vote_tx(),
+                tracer_packet: p.meta().is_perf_track_packet(),
+                from_staked_node: p.meta().is_from_staked_node(),
+            }),
+            sender_stake: 0,
+        }),
+    })
+}
+
+pub fn packet_batches_to_proto_packets(
+    batches: &[PacketBatch],
+) -> impl Iterator<Item = ProtoPacket> + '_ {
+    batches
+        .iter()
+        .flat_map(|b| b.iter().filter_map(packet_to_proto_packet))
+}
+
+/// converts from a protobuf packet to packet
+pub fn proto_packet_to_packet(p: &ProtoPacket) -> Packet {
+    let mut data = [0u8; PACKET_DATA_SIZE];
+    let copy_len = min(data.len(), p.data.len());
+    data[..copy_len].copy_from_slice(&p.data[..copy_len]);
+    let mut packet = Packet::new(data, Meta::default());
+    if let Some(meta) = &p.meta {
+        packet.meta_mut().size = meta.size as usize;
+        packet.meta_mut().addr = meta
+            .addr
+            .parse()
+            .unwrap_or(IpAddr::V4(Ipv4Addr::UNSPECIFIED));
+        packet.meta_mut().port = meta.port as u16;
+        if let Some(flags) = &meta.flags {
+            if flags.simple_vote_tx {
+                packet.meta_mut().flags.insert(PacketFlags::SIMPLE_VOTE_TX);
+            }
+            if flags.forwarded {
+                packet.meta_mut().flags.insert(PacketFlags::FORWARDED);
+            }
+            if flags.tracer_packet {
+                packet.meta_mut().flags.insert(PacketFlags::PERF_TRACK_PACKET);
+            }
+            if flags.repair {
+                packet.meta_mut().flags.insert(PacketFlags::REPAIR);
+            }
+            if flags.discard {
+                packet.meta_mut().flags.insert(PacketFlags::DISCARD);
+            }
+        }
+    }
+    packet
+}
+
+pub fn proto_packet_batch_to_packets(
+    packet_batch: ProtoPacketBatch,
+) -> impl Iterator<Item = Packet> {
+    packet_batch
+        .packets
+        .into_iter()
+        .map(|proto_packet| proto_packet_to_packet(&proto_packet))
+}
+
+/// Converts a protobuf packet to a VersionedTransaction
+pub fn versioned_tx_from_packet(p: &ProtoPacket) -> Option<VersionedTransaction> {
+    let mut data = [0; PACKET_DATA_SIZE];
+    let copy_len = min(data.len(), p.data.len());
+    data[..copy_len].copy_from_slice(&p.data[..copy_len]);
+    let mut packet = Packet::new(data, Default::default());
+    if let Some(meta) = &p.meta {
+        packet.meta_mut().size = meta.size as usize;
+    }
+    packet.deserialize_slice(..).ok()
+}
+
+/// Coverts a VersionedTransaction to packet
+pub fn packet_from_versioned_tx(tx: VersionedTransaction) -> Packet {
+    let tx_data = serialize(&tx).expect("serializes");
+    let mut data = [0; PACKET_DATA_SIZE];
+    let copy_len = min(tx_data.len(), data.len());
+    data[..copy_len].copy_from_slice(&tx_data[..copy_len]);
+    let mut packet = Packet::new(data, Default::default());
+    packet.meta_mut().size = copy_len;
+    packet
+}
+
+/// Converts a VersionedTransaction to a protobuf packet
+pub fn proto_packet_from_versioned_tx(tx: &VersionedTransaction) -> ProtoPacket {
+    let data = serialize(tx).expect("serializes");
+    let size = data.len() as u64;
+    ProtoPacket {
+        data,
+        meta: Some(ProtoMeta {
+            size,
+            addr: "".to_string(),
+            port: 0,
+            flags: None,
+            sender_stake: 0,
+        }),
+    }
+}
+
+/// Converts a GRPC Socket to stdlib SocketAddr
+impl TryFrom<&Socket> for SocketAddr {
+    type Error = AddrParseError;
+
+    fn try_from(value: &Socket) -> Result<Self, Self::Error> {
+        IpAddr::from_str(&value.ip).map(|ip| SocketAddr::new(ip, value.port as u16))
+    }
+}
+
+// #[cfg(test)]
+// mod tests {
+//     use solana_perf::test_tx::test_tx;
+//     use solana_sdk::transaction::VersionedTransaction;
+
+//     use crate::convert::{proto_packet_from_versioned_tx, versioned_tx_from_packet};
+
+//     #[test]
+//     fn test_proto_to_packet() {
+//         let tx_before = VersionedTransaction::from(test_tx());
+//         let tx_after = versioned_tx_from_packet(&proto_packet_from_versioned_tx(&tx_before))
+//             .expect("tx_after");
+
+//         assert_eq!(tx_before, tx_after);
+//     }
+// }

src/protos/mod.rs

@@ -0,0 +1,14 @@
+pub mod auth;
+pub mod block;
+pub mod block_engine;
+pub mod bundle;
+pub mod packet;
+pub mod relayer;
+pub mod searcher;
+pub mod shared;
+pub mod shredstream;
+pub mod trace_shred;
+pub mod convert;
+pub mod nextblock_grpc;
+pub mod searcher_client;
+pub mod token_authenticator;

src/protos/nextblock_grpc.rs

@@ -0,0 +1,462 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitRequest {
+    #[prost(message, optional, tag = "1")]
+    pub transaction: ::core::option::Option<TransactionMessage>,
+    #[prost(bool, tag = "2")]
+    pub skip_pre_flight: bool,
+    #[prost(bool, optional, tag = "3")]
+    pub front_running_protection: ::core::option::Option<bool>,
+    #[prost(bool, optional, tag = "8")]
+    pub experimental_front_running_protection: ::core::option::Option<bool>,
+    #[prost(bool, optional, tag = "9")]
+    pub snipe_transaction: ::core::option::Option<bool>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitRequestEntry {
+    #[prost(message, optional, tag = "1")]
+    pub transaction: ::core::option::Option<TransactionMessage>,
+    #[prost(bool, tag = "2")]
+    pub skip_pre_flight: bool,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitBatchRequest {
+    #[prost(message, repeated, tag = "1")]
+    pub entries: ::prost::alloc::vec::Vec<PostSubmitRequestEntry>,
+    #[prost(enumeration = "SubmitStrategy", tag = "2")]
+    pub submit_strategy: i32,
+    #[prost(bool, optional, tag = "3")]
+    pub use_bundle: ::core::option::Option<bool>,
+    #[prost(bool, optional, tag = "4")]
+    pub front_running_protection: ::core::option::Option<bool>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitBatchResponseEntry {
+    #[prost(string, tag = "1")]
+    pub signature: ::prost::alloc::string::String,
+    #[prost(string, tag = "2")]
+    pub error: ::prost::alloc::string::String,
+    #[prost(bool, tag = "3")]
+    pub submitted: bool,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitBatchResponse {
+    #[prost(message, repeated, tag = "1")]
+    pub transactions: ::prost::alloc::vec::Vec<PostSubmitBatchResponseEntry>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PostSubmitResponse {
+    #[prost(string, tag = "1")]
+    pub signature: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransactionMessage {
+    #[prost(string, tag = "1")]
+    pub content: ::prost::alloc::string::String,
+    #[prost(bool, tag = "2")]
+    pub is_cleanup: bool,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TransactionMessageV2 {
+    #[prost(string, tag = "1")]
+    pub content: ::prost::alloc::string::String,
+}
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
+#[repr(i32)]
+pub enum SubmitStrategy {
+    PUknown = 0,
+    PSubmitAll = 1,
+    PAbortOnFirstError = 2,
+    PWaitForConfirmation = 3,
+}
+impl SubmitStrategy {
+    /// String value of the enum field names used in the ProtoBuf definition.
+    ///
+    /// The values are not transformed in any way and thus are considered stable
+    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
+    pub fn as_str_name(&self) -> &'static str {
+        match self {
+            Self::PUknown => "P_UKNOWN",
+            Self::PSubmitAll => "P_SUBMIT_ALL",
+            Self::PAbortOnFirstError => "P_ABORT_ON_FIRST_ERROR",
+            Self::PWaitForConfirmation => "P_WAIT_FOR_CONFIRMATION",
+        }
+    }
+    /// Creates an enum from field names used in the ProtoBuf definition.
+    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
+        match value {
+            "P_UKNOWN" => Some(Self::PUknown),
+            "P_SUBMIT_ALL" => Some(Self::PSubmitAll),
+            "P_ABORT_ON_FIRST_ERROR" => Some(Self::PAbortOnFirstError),
+            "P_WAIT_FOR_CONFIRMATION" => Some(Self::PWaitForConfirmation),
+            _ => None,
+        }
+    }
+}
+/// Generated client implementations.
+pub mod api_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct ApiClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl ApiClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: std::convert::TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> ApiClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> ApiClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            ApiClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        pub async fn post_submit_v2(
+            &mut self,
+            request: impl tonic::IntoRequest<super::PostSubmitRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::PostSubmitResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static("/api.Api/PostSubmitV2");
+            let mut req = request.into_request();
+            req.extensions_mut().insert(GrpcMethod::new("api.Api", "PostSubmitV2"));
+            self.inner.unary(req, path, codec).await
+        }
+        pub async fn post_submit_batch_v2(
+            &mut self,
+            request: impl tonic::IntoRequest<super::PostSubmitBatchRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::PostSubmitBatchResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/api.Api/PostSubmitBatchV2",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut().insert(GrpcMethod::new("api.Api", "PostSubmitBatchV2"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod api_server {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with ApiServer.
+    #[async_trait]
+    pub trait Api: std::marker::Send + std::marker::Sync + 'static {
+        async fn post_submit_v2(
+            &self,
+            request: tonic::Request<super::PostSubmitRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::PostSubmitResponse>,
+            tonic::Status,
+        >;
+        async fn post_submit_batch_v2(
+            &self,
+            request: tonic::Request<super::PostSubmitBatchRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::PostSubmitBatchResponse>,
+            tonic::Status,
+        >;
+    }
+    #[derive(Debug)]
+    pub struct ApiServer<T> {
+        inner: Arc<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    impl<T> ApiServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for ApiServer<T>
+    where
+        T: Api,
+        B: Body + std::marker::Send + 'static,
+        B::Error: Into<StdError> + std::marker::Send + 'static,
+    {
+        type Response = http::Response<tonic::body::BoxBody>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            match req.uri().path() {
+                "/api.Api/PostSubmitV2" => {
+                    #[allow(non_camel_case_types)]
+                    struct PostSubmitV2Svc<T: Api>(pub Arc<T>);
+                    impl<T: Api> tonic::server::UnaryService<super::PostSubmitRequest>
+                    for PostSubmitV2Svc<T> {
+                        type Response = super::PostSubmitResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::PostSubmitRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as Api>::post_submit_v2(&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 method = PostSubmitV2Svc(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)
+                }
+                "/api.Api/PostSubmitBatchV2" => {
+                    #[allow(non_camel_case_types)]
+                    struct PostSubmitBatchV2Svc<T: Api>(pub Arc<T>);
+                    impl<
+                        T: Api,
+                    > tonic::server::UnaryService<super::PostSubmitBatchRequest>
+                    for PostSubmitBatchV2Svc<T> {
+                        type Response = super::PostSubmitBatchResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::PostSubmitBatchRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as Api>::post_submit_batch_v2(&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 method = PostSubmitBatchV2Svc(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)
+                }
+                _ => {
+                    Box::pin(async move {
+                        let mut response = http::Response::new(empty_body());
+                        let headers = response.headers_mut();
+                        headers
+                            .insert(
+                                tonic::Status::GRPC_STATUS,
+                                (tonic::Code::Unimplemented as i32).into(),
+                            );
+                        headers
+                            .insert(
+                                http::header::CONTENT_TYPE,
+                                tonic::metadata::GRPC_CONTENT_TYPE,
+                            );
+                        Ok(response)
+                    })
+                }
+            }
+        }
+    }
+    impl<T> Clone for ApiServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    /// Generated gRPC service name
+    pub const SERVICE_NAME: &str = "api.Api";
+    impl<T> tonic::server::NamedService for ApiServer<T> {
+        const NAME: &'static str = SERVICE_NAME;
+    }
+}

src/protos/packet.rs

@@ -0,0 +1,41 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PacketBatch {
+    #[prost(message, repeated, tag = "1")]
+    pub packets: ::prost::alloc::vec::Vec<Packet>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Packet {
+    #[prost(bytes = "vec", tag = "1")]
+    pub data: ::prost::alloc::vec::Vec<u8>,
+    #[prost(message, optional, tag = "2")]
+    pub meta: ::core::option::Option<Meta>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Meta {
+    #[prost(uint64, tag = "1")]
+    pub size: u64,
+    #[prost(string, tag = "2")]
+    pub addr: ::prost::alloc::string::String,
+    #[prost(uint32, tag = "3")]
+    pub port: u32,
+    #[prost(message, optional, tag = "4")]
+    pub flags: ::core::option::Option<PacketFlags>,
+    #[prost(uint64, tag = "5")]
+    pub sender_stake: u64,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct PacketFlags {
+    #[prost(bool, tag = "1")]
+    pub discard: bool,
+    #[prost(bool, tag = "2")]
+    pub forwarded: bool,
+    #[prost(bool, tag = "3")]
+    pub repair: bool,
+    #[prost(bool, tag = "4")]
+    pub simple_vote_tx: bool,
+    #[prost(bool, tag = "5")]
+    pub tracer_packet: bool,
+    #[prost(bool, tag = "6")]
+    pub from_staked_node: bool,
+}

src/protos/relayer.rs

@@ -0,0 +1,178 @@
+// This file is @generated by prost-build.
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct GetTpuConfigsRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GetTpuConfigsResponse {
+    #[prost(message, optional, tag = "1")]
+    pub tpu: ::core::option::Option<super::shared::Socket>,
+    #[prost(message, optional, tag = "2")]
+    pub tpu_forward: ::core::option::Option<super::shared::Socket>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct SubscribePacketsRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SubscribePacketsResponse {
+    #[prost(message, optional, tag = "1")]
+    pub header: ::core::option::Option<super::shared::Header>,
+    #[prost(oneof = "subscribe_packets_response::Msg", tags = "2, 3")]
+    pub msg: ::core::option::Option<subscribe_packets_response::Msg>,
+}
+/// Nested message and enum types in `SubscribePacketsResponse`.
+pub mod subscribe_packets_response {
+    #[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Msg {
+        #[prost(message, tag = "2")]
+        Heartbeat(super::super::shared::Heartbeat),
+        #[prost(message, tag = "3")]
+        Batch(super::super::packet::PacketBatch),
+    }
+}
+/// Generated client implementations.
+pub mod relayer_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    /// / Relayers offer a TPU and TPU forward proxy for Solana validators.
+    /// / Validators can connect and fetch the TPU configuration for the relayer and start to advertise the
+    /// / relayer's information in gossip.
+    /// / They can also subscribe to packets which arrived on the TPU ports at the relayer
+    #[derive(Debug, Clone)]
+    pub struct RelayerClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl RelayerClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> RelayerClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> RelayerClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            RelayerClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// The relayer has TPU and TPU forward sockets that validators can leverage.
+        /// A validator can fetch this config and change its TPU and TPU forward port in gossip.
+        pub async fn get_tpu_configs(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GetTpuConfigsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GetTpuConfigsResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/relayer.Relayer/GetTpuConfigs",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("relayer.Relayer", "GetTpuConfigs"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// Validators can subscribe to packets from the relayer and receive a multiplexed signal that contains a mixture
+        /// of packets and heartbeats
+        pub async fn subscribe_packets(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SubscribePacketsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::SubscribePacketsResponse>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/relayer.Relayer/SubscribePackets",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("relayer.Relayer", "SubscribePackets"));
+            self.inner.server_streaming(req, path, codec).await
+        }
+    }
+}

src/protos/searcher.rs

@@ -0,0 +1,363 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SlotList {
+    #[prost(uint64, repeated, tag = "1")]
+    pub slots: ::prost::alloc::vec::Vec<u64>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ConnectedLeadersResponse {
+    /// Mapping of validator pubkey to leader slots for the current epoch.
+    #[prost(map = "string, message", tag = "1")]
+    pub connected_validators: ::std::collections::HashMap<
+        ::prost::alloc::string::String,
+        SlotList,
+    >,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SendBundleRequest {
+    #[prost(message, optional, tag = "1")]
+    pub bundle: ::core::option::Option<super::bundle::Bundle>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SendBundleResponse {
+    /// server uuid for the bundle
+    #[prost(string, tag = "1")]
+    pub uuid: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NextScheduledLeaderRequest {
+    /// Defaults to the currently connected region if no region provided.
+    #[prost(string, repeated, tag = "1")]
+    pub regions: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct NextScheduledLeaderResponse {
+    /// the current slot the backend is on
+    #[prost(uint64, tag = "1")]
+    pub current_slot: u64,
+    /// the slot of the next leader
+    #[prost(uint64, tag = "2")]
+    pub next_leader_slot: u64,
+    /// the identity pubkey (base58) of the next leader
+    #[prost(string, tag = "3")]
+    pub next_leader_identity: ::prost::alloc::string::String,
+    /// the block engine region of the next leader
+    #[prost(string, tag = "4")]
+    pub next_leader_region: ::prost::alloc::string::String,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct ConnectedLeadersRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ConnectedLeadersRegionedRequest {
+    /// Defaults to the currently connected region if no region provided.
+    #[prost(string, repeated, tag = "1")]
+    pub regions: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ConnectedLeadersRegionedResponse {
+    #[prost(map = "string, message", tag = "1")]
+    pub connected_validators: ::std::collections::HashMap<
+        ::prost::alloc::string::String,
+        ConnectedLeadersResponse,
+    >,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct GetTipAccountsRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GetTipAccountsResponse {
+    #[prost(string, repeated, tag = "1")]
+    pub accounts: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct SubscribeBundleResultsRequest {}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct GetRegionsRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GetRegionsResponse {
+    /// The region the client is currently connected to
+    #[prost(string, tag = "1")]
+    pub current_region: ::prost::alloc::string::String,
+    /// Regions that are online and ready for connections
+    /// All regions: <https://jito-labs.gitbook.io/mev/systems/connecting/mainnet>
+    #[prost(string, repeated, tag = "2")]
+    pub available_regions: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+/// Generated client implementations.
+pub mod searcher_service_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct SearcherServiceClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl SearcherServiceClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> SearcherServiceClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> SearcherServiceClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            SearcherServiceClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// Searchers can invoke this endpoint to subscribe to their respective bundle results.
+        /// A success result would indicate the bundle won its state auction and was submitted to the validator.
+        pub async fn subscribe_bundle_results(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SubscribeBundleResultsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::super::bundle::BundleResult>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/SubscribeBundleResults",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("searcher.SearcherService", "SubscribeBundleResults"),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+        pub async fn send_bundle(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SendBundleRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::SendBundleResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/SendBundle",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("searcher.SearcherService", "SendBundle"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// Returns the next scheduled leader connected to the block engine.
+        pub async fn get_next_scheduled_leader(
+            &mut self,
+            request: impl tonic::IntoRequest<super::NextScheduledLeaderRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::NextScheduledLeaderResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/GetNextScheduledLeader",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("searcher.SearcherService", "GetNextScheduledLeader"),
+                );
+            self.inner.unary(req, path, codec).await
+        }
+        /// Returns leader slots for connected jito validators during the current epoch. Only returns data for this region.
+        pub async fn get_connected_leaders(
+            &mut self,
+            request: impl tonic::IntoRequest<super::ConnectedLeadersRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::ConnectedLeadersResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/GetConnectedLeaders",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("searcher.SearcherService", "GetConnectedLeaders"),
+                );
+            self.inner.unary(req, path, codec).await
+        }
+        /// Returns leader slots for connected jito validators during the current epoch.
+        pub async fn get_connected_leaders_regioned(
+            &mut self,
+            request: impl tonic::IntoRequest<super::ConnectedLeadersRegionedRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::ConnectedLeadersRegionedResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/GetConnectedLeadersRegioned",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new(
+                        "searcher.SearcherService",
+                        "GetConnectedLeadersRegioned",
+                    ),
+                );
+            self.inner.unary(req, path, codec).await
+        }
+        /// Returns the tip accounts searchers shall transfer funds to for the leader to claim.
+        pub async fn get_tip_accounts(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GetTipAccountsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GetTipAccountsResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/GetTipAccounts",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("searcher.SearcherService", "GetTipAccounts"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// Returns region the client is directly connected to, along with all available regions
+        pub async fn get_regions(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GetRegionsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::GetRegionsResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/searcher.SearcherService/GetRegions",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("searcher.SearcherService", "GetRegions"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}

src/protos/searcher_client.rs

@@ -0,0 +1,131 @@
+use std::{
+    sync::Arc,
+    time::{Duration, Instant},
+};
+
+use crate::protos::{
+    bundle::{
+        Bundle, BundleResult,
+    },
+    convert::proto_packet_from_versioned_tx,
+    searcher::{
+        searcher_service_client::SearcherServiceClient, SendBundleRequest, SubscribeBundleResultsRequest,
+    },
+};
+use solana_sdk::{
+    signature::Signature,
+    transaction::VersionedTransaction,
+};
+use thiserror::Error;
+use tokio::sync::Mutex;
+use tonic::{
+    transport::{self, Channel, Endpoint}, Status
+};
+use yellowstone_grpc_client::ClientTlsConfig;
+
+use crate::swqos::common::poll_transaction_confirmation;
+use crate::common::SolanaRpcClient;
+use crate::swqos::TradeType;
+
+#[derive(Debug, Error)]
+pub enum BlockEngineConnectionError {
+    #[error("transport error {0}")]
+    TransportError(#[from] transport::Error),
+    #[error("client error {0}")]
+    ClientError(#[from] Status),
+}
+
+#[derive(Debug, Error)]
+pub enum BundleRejectionError {
+    #[error("bundle lost state auction, auction: {0}, tip {1} lamports")]
+    StateAuctionBidRejected(String, u64),
+    #[error("bundle won state auction but failed global auction, auction {0}, tip {1} lamports")]
+    WinningBatchBidRejected(String, u64),
+    #[error("bundle simulation failure on tx {0}, message: {1:?}")]
+    SimulationFailure(String, Option<String>),
+    #[error("internal error {0}")]
+    InternalError(String),
+}
+
+pub type BlockEngineConnectionResult<T> = Result<T, BlockEngineConnectionError>;
+
+pub async fn get_searcher_client_no_auth(
+    block_engine_url: &str,
+) -> BlockEngineConnectionResult<SearcherServiceClient<Channel>> {
+    let searcher_channel = create_grpc_channel(block_engine_url).await?;
+    let searcher_client = SearcherServiceClient::new(searcher_channel);
+    Ok(searcher_client)
+}
+
+pub async fn create_grpc_channel(url: &str) -> BlockEngineConnectionResult<Channel> {
+    let mut endpoint = Endpoint::from_shared(url.to_string()).expect("invalid url");
+    if url.starts_with("https") {
+        endpoint = endpoint.tls_config(ClientTlsConfig::new().with_native_roots())?;
+    }
+
+    endpoint = endpoint.tcp_nodelay(true);
+    endpoint = endpoint.tcp_keepalive(Some(Duration::from_secs(10)));
+    endpoint = endpoint.connect_timeout(Duration::from_secs(20));
+    endpoint = endpoint.http2_keep_alive_interval(Duration::from_secs(10));
+
+    Ok(endpoint.connect().await?)
+}
+
+pub async fn subscribe_bundle_results(
+    searcher_client: Arc<Mutex<SearcherServiceClient<Channel>>>,
+    request: impl tonic::IntoRequest<SubscribeBundleResultsRequest>,
+) -> std::result::Result<
+    tonic::Response<tonic::codec::Streaming<BundleResult>>,
+    tonic::Status,
+> {
+    let mut searcher = searcher_client.lock().await;
+    searcher.subscribe_bundle_results(request).await
+}
+
+pub async fn send_bundle_with_confirmation(
+    rpc: Arc<SolanaRpcClient>,
+    trade_type: TradeType,
+    transactions: &Vec<VersionedTransaction>,
+    searcher_client: Arc<Mutex<SearcherServiceClient<Channel>>>,
+) -> Result<Vec<Signature>, anyhow::Error> {
+    let start_time = Instant::now();
+    let signatures = send_bundle_no_wait(transactions, searcher_client).await?;
+    println!(" Jito{}提交: {:?}", trade_type, start_time.elapsed());
+
+    let start_time: Instant = Instant::now();
+    for signature in signatures.clone() {
+        match poll_transaction_confirmation(&rpc, signature).await {
+            Ok(_) => continue,
+            Err(_) => continue,
+        }
+    }
+    
+    println!(" Jito{}确认: {:?}", trade_type, start_time.elapsed());
+
+    Ok(signatures)
+}
+
+pub async fn send_bundle_no_wait(
+    transactions: &Vec<VersionedTransaction>,
+    searcher_client: Arc<Mutex<SearcherServiceClient<Channel>>>,
+) -> Result<Vec<Signature>, anyhow::Error> {
+    let mut packets = vec![];
+    let mut signatures = vec![];
+    for transaction in transactions {
+        let packet = proto_packet_from_versioned_tx(transaction);
+        packets.push(packet);
+        signatures.push(transaction.signatures[0]);
+    }
+
+    let mut searcher = searcher_client.lock().await;
+    searcher
+        .send_bundle(SendBundleRequest {
+            bundle: Some(Bundle {
+                header: None,
+                packets,
+            }),
+        })
+        .await?;
+
+    Ok(signatures)
+}

src/protos/shared.rs

@@ -0,0 +1,18 @@
+// This file is @generated by prost-build.
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct Header {
+    #[prost(message, optional, tag = "1")]
+    pub ts: ::core::option::Option<::prost_types::Timestamp>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct Heartbeat {
+    #[prost(uint64, tag = "1")]
+    pub count: u64,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Socket {
+    #[prost(string, tag = "1")]
+    pub ip: ::prost::alloc::string::String,
+    #[prost(int64, tag = "2")]
+    pub port: i64,
+}

src/protos/shredstream.rs

@@ -0,0 +1,279 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Heartbeat {
+    /// don't trust IP:PORT from tcp header since it can be tampered over the wire
+    /// `socket.ip` must match incoming packet's ip. this prevents spamming an unwitting destination
+    #[prost(message, optional, tag = "1")]
+    pub socket: ::core::option::Option<super::shared::Socket>,
+    /// regions for shredstream proxy to receive shreds from
+    /// list of valid regions: <https://docs.jito.wtf/lowlatencytxnsend/#api>
+    #[prost(string, repeated, tag = "2")]
+    pub regions: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+}
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct HeartbeatResponse {
+    /// client must respond within `ttl_ms` to keep stream alive
+    #[prost(uint32, tag = "1")]
+    pub ttl_ms: u32,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TraceShred {
+    /// source region, one of: <https://docs.jito.wtf/lowlatencytxnsend/#api>
+    #[prost(string, tag = "1")]
+    pub region: ::prost::alloc::string::String,
+    /// timestamp of creation
+    #[prost(message, optional, tag = "2")]
+    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
+    /// monotonically increases, resets upon service restart
+    #[prost(uint32, tag = "3")]
+    pub seq_num: u32,
+}
+/// tbd: we may want to add filters here
+#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+pub struct SubscribeEntriesRequest {}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Entry {
+    /// the slot that the entry is from
+    #[prost(uint64, tag = "1")]
+    pub slot: u64,
+    /// Serialized bytes of Vec<Entry>: <https://docs.rs/solana-entry/latest/solana_entry/entry/struct.Entry.html>
+    #[prost(bytes = "vec", tag = "2")]
+    pub entries: ::prost::alloc::vec::Vec<u8>,
+}
+/// Generated client implementations.
+pub mod shredstream_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct ShredstreamClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl ShredstreamClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> ShredstreamClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> ShredstreamClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            ShredstreamClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// RPC endpoint to send heartbeats to keep shreds flowing
+        pub async fn send_heartbeat(
+            &mut self,
+            request: impl tonic::IntoRequest<super::Heartbeat>,
+        ) -> std::result::Result<
+            tonic::Response<super::HeartbeatResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/shredstream.Shredstream/SendHeartbeat",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("shredstream.Shredstream", "SendHeartbeat"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated client implementations.
+pub mod shredstream_proxy_client {
+    #![allow(
+        unused_variables,
+        dead_code,
+        missing_docs,
+        clippy::wildcard_imports,
+        clippy::let_unit_value,
+    )]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    #[derive(Debug, Clone)]
+    pub struct ShredstreamProxyClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl ShredstreamProxyClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> ShredstreamProxyClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> ShredstreamProxyClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+        {
+            ShredstreamProxyClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        pub async fn subscribe_entries(
+            &mut self,
+            request: impl tonic::IntoRequest<super::SubscribeEntriesRequest>,
+        ) -> std::result::Result<
+            tonic::Response<tonic::codec::Streaming<super::Entry>>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::unknown(
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/shredstream.ShredstreamProxy/SubscribeEntries",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(
+                    GrpcMethod::new("shredstream.ShredstreamProxy", "SubscribeEntries"),
+                );
+            self.inner.server_streaming(req, path, codec).await
+        }
+    }
+}

src/protos/token_authenticator.rs

@@ -0,0 +1,167 @@
+use std::{
+    sync::{Arc, RwLock},
+    time::{Duration, SystemTime},
+};
+
+use crate::protos::auth::{
+    auth_service_client::AuthServiceClient, GenerateAuthChallengeRequest,
+    GenerateAuthTokensRequest, RefreshAccessTokenRequest, Role, Token,
+};
+use prost_types::Timestamp;
+use solana_metrics::datapoint_info;
+use solana_sdk::signature::{Keypair, Signer};
+use tokio::{task::JoinHandle, time::sleep};
+use tonic::{service::Interceptor, transport::Channel, Request, Status};
+
+use super::searcher_client::BlockEngineConnectionResult;
+
+const AUTHORIZATION_HEADER: &str = "authorization";
+const BEARER: &str = "Bearer ";
+
+/// Adds the token to each requests' authorization header.
+/// Manages refreshing the token in a separate thread.
+#[derive(Clone)]
+pub struct ClientInterceptor {
+    /// The token added to each request header.
+    bearer_token: Arc<RwLock<String>>,
+}
+
+impl ClientInterceptor {
+    pub async fn new(
+        mut auth_service_client: AuthServiceClient<Channel>,
+        keypair: &Arc<Keypair>,
+        role: Role,
+    ) -> BlockEngineConnectionResult<Self> {
+        let (access_token, refresh_token) =
+            Self::auth(&mut auth_service_client, keypair, role).await?;
+
+        let bearer_token = Arc::new(RwLock::new(access_token.value.clone()));
+
+        let _refresh_token_thread = Self::spawn_token_refresh_thread(
+            auth_service_client,
+            bearer_token.clone(),
+            refresh_token,
+            access_token.expires_at_utc.unwrap(),
+            keypair.clone(),
+            role,
+        );
+
+        Ok(Self { bearer_token })
+    }
+
+    async fn auth(
+        auth_service_client: &mut AuthServiceClient<Channel>,
+        keypair: &Keypair,
+        role: Role,
+    ) -> BlockEngineConnectionResult<(Token, Token)> {
+        let challenge_resp = auth_service_client
+            .generate_auth_challenge(GenerateAuthChallengeRequest {
+                role: role as i32,
+                pubkey: keypair.pubkey().as_ref().to_vec(),
+            })
+            .await?
+            .into_inner();
+        let challenge = format!("{}-{}", keypair.pubkey(), challenge_resp.challenge);
+        let signed_challenge = keypair.sign_message(challenge.as_bytes()).as_ref().to_vec();
+
+        let tokens = auth_service_client
+            .generate_auth_tokens(GenerateAuthTokensRequest {
+                challenge,
+                client_pubkey: keypair.pubkey().as_ref().to_vec(),
+                signed_challenge,
+            })
+            .await?
+            .into_inner();
+
+        Ok((tokens.access_token.unwrap(), tokens.refresh_token.unwrap()))
+    }
+
+    fn spawn_token_refresh_thread(
+        mut auth_service_client: AuthServiceClient<Channel>,
+        bearer_token: Arc<RwLock<String>>,
+        refresh_token: Token,
+        access_token_expiration: Timestamp,
+        keypair: Arc<Keypair>,
+        role: Role,
+    ) -> JoinHandle<BlockEngineConnectionResult<()>> {
+        tokio::spawn(async move {
+            let mut refresh_token = refresh_token;
+            let mut access_token_expiration = access_token_expiration;
+
+            loop {
+                let access_token_ttl = SystemTime::try_from(access_token_expiration.clone())
+                    .unwrap()
+                    .duration_since(SystemTime::now())
+                    .unwrap_or_else(|_| Duration::from_secs(0));
+                let refresh_token_ttl =
+                    SystemTime::try_from(refresh_token.expires_at_utc.as_ref().unwrap().clone())
+                        .unwrap()
+                        .duration_since(SystemTime::now())
+                        .unwrap_or_else(|_| Duration::from_secs(0));
+
+                let does_access_token_expire_soon = access_token_ttl < Duration::from_secs(5 * 60);
+                let does_refresh_token_expire_soon =
+                    refresh_token_ttl < Duration::from_secs(5 * 60);
+
+                match (
+                    does_refresh_token_expire_soon,
+                    does_access_token_expire_soon,
+                ) {
+                    // re-run entire auth workflow is refresh token expiring soon
+                    (true, _) => {
+                        let is_error = {
+                            if let Ok((new_access_token, new_refresh_token)) =
+                                Self::auth(&mut auth_service_client, &keypair, role).await
+                            {
+                                *bearer_token.write().unwrap() = new_access_token.value.clone();
+                                access_token_expiration = new_access_token.expires_at_utc.unwrap();
+                                refresh_token = new_refresh_token;
+                                false
+                            } else {
+                                true
+                            }
+                        };
+                        datapoint_info!("searcher-full-auth", ("is_error", is_error, bool));
+                    }
+                    // re-up the access token if it expires soon
+                    (_, true) => {
+                        let is_error = {
+                            if let Ok(refresh_resp) = auth_service_client
+                                .refresh_access_token(RefreshAccessTokenRequest {
+                                    refresh_token: refresh_token.value.clone(),
+                                })
+                                .await
+                            {
+                                let access_token = refresh_resp.into_inner().access_token.unwrap();
+                                *bearer_token.write().unwrap() = access_token.value.clone();
+                                access_token_expiration = access_token.expires_at_utc.unwrap();
+                                false
+                            } else {
+                                true
+                            }
+                        };
+
+                        datapoint_info!("searcher-refresh-auth", ("is_error", is_error, bool));
+                    }
+                    _ => {
+                        sleep(Duration::from_secs(60)).await;
+                    }
+                }
+            }
+        })
+    }
+}
+
+impl Interceptor for ClientInterceptor {
+    fn call(&mut self, mut request: Request<()>) -> Result<Request<()>, Status> {
+        let l_token = self.bearer_token.read().unwrap();
+        if !l_token.is_empty() {
+            request.metadata_mut().insert(
+                AUTHORIZATION_HEADER,
+                format!("{BEARER}{l_token}").parse().unwrap(),
+            );
+        }
+
+        Ok(request)
+    }
+}

src/protos/trace_shred.rs

@@ -0,0 +1,13 @@
+// This file is @generated by prost-build.
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct TraceShred {
+    /// source region, one of: <https://jito-labs.gitbook.io/mev/systems/connecting/mainnet>
+    #[prost(string, tag = "1")]
+    pub region: ::prost::alloc::string::String,
+    /// timestamp of creation
+    #[prost(message, optional, tag = "2")]
+    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
+    /// monotonically increases, resets upon service restart
+    #[prost(uint32, tag = "3")]
+    pub seq_num: u32,
+}