feat: add validation API endpoints (#5816)

crates/rpc/rpc-api/src/lib.rs

@@ -29,6 +29,7 @@ mod reth;
 mod rpc;
 mod trace;
 mod txpool;
+mod validation;
 mod web3;
 
 /// re-export of all server traits
@@ -51,6 +52,7 @@ pub mod servers {
         rpc::RpcApiServer,
         trace::TraceApiServer,
         txpool::TxPoolApiServer,
+        validation::BlockSubmissionValidationApiServer,
         web3::Web3ApiServer,
     };
 }
@@ -75,6 +77,7 @@ pub mod clients {
         rpc::RpcApiServer,
         trace::TraceApiClient,
         txpool::TxPoolApiClient,
+        validation::BlockSubmissionValidationApiClient,
         web3::Web3ApiClient,
     };
 }

crates/rpc/rpc-api/src/validation.rs

@@ -0,0 +1,24 @@
+//! API for block submission validation.
+
+use jsonrpsee::proc_macros::rpc;
+use reth_rpc_types::relay::{BuilderBlockValidationRequest, BuilderBlockValidationRequestV2};
+
+/// Block validation rpc interface.
+#[cfg_attr(not(feature = "client"), rpc(server, namespace = "flashbots"))]
+#[cfg_attr(feature = "client", rpc(server, client, namespace = "flashbots"))]
+#[async_trait::async_trait]
+pub trait BlockSubmissionValidationApi {
+    /// A Request to validate a block submission.
+    #[method(name = "validateBuilderSubmissionV1")]
+    async fn validate_builder_submission_v1(
+        &self,
+        request: BuilderBlockValidationRequest,
+    ) -> jsonrpsee::core::RpcResult<()>;
+
+    /// A Request to validate a block submission.
+    #[method(name = "validateBuilderSubmissionV2")]
+    async fn validate_builder_submission_v2(
+        &self,
+        request: BuilderBlockValidationRequestV2,
+    ) -> jsonrpsee::core::RpcResult<()>;
+}