From 886800fa12d8877d2987345df911e02848bc5585 Mon Sep 17 00:00:00 2001
From: Giulio rebuffo <giulio.rebuffo@gmail.com>
Date: Wed, 12 Jul 2023 18:11:22 +0200
Subject: [PATCH] removed engine (#180)

---
 build.rs            |  4 --
 engine/engine.proto | 95 ---------------------------------------------
 engine/keep.go      |  1 -
 src/lib.rs          |  5 ---
 4 files changed, 105 deletions(-)
 delete mode 100644 engine/engine.proto
 delete mode 100644 engine/keep.go

diff --git a/build.rs b/build.rs
index b4ada4f..1ab5ff1 100644
--- a/build.rs
+++ b/build.rs
@@ -45,10 +45,6 @@ fn main() {
         protos.push("execution/execution.proto");
     }
 
-    if cfg!(feature = "engine") {
-        protos.push("engine/engine.proto");
-    }
-
     if cfg!(feature = "web3") {
         protos.push("web3/common.proto");
         protos.push("web3/debug.proto");
diff --git a/engine/engine.proto b/engine/engine.proto
deleted file mode 100644
index 2cc3b36..0000000
--- a/engine/engine.proto
+++ /dev/null
@@ -1,95 +0,0 @@
-syntax = "proto3";
-
-import "types/types.proto";
-import "google/protobuf/empty.proto";
-
-package engine;
-
-option go_package = "./engine;engine";
-
-// ------------------------------------------------------------------------
-// Engine API RPC requests natively implemented in the Erigon node backend
-// See https://github.com/ethereum/execution-apis/blob/main/src/engine/specification.md
-service Engine {
-  // Validate and possibly execute the payload.
-  rpc EngineNewPayload(types.ExecutionPayload) returns(EnginePayloadStatus);
-
-  // Update fork choice
-  rpc EngineForkChoiceUpdated(EngineForkChoiceUpdatedRequest) returns(EngineForkChoiceUpdatedResponse);
-
-  // Fetch Execution Payload using its ID.
-  rpc EngineGetPayload(EngineGetPayloadRequest) returns(EngineGetPayloadResponse);
-
-  rpc EngineGetPayloadBodiesByHashV1(EngineGetPayloadBodiesByHashV1Request) returns(EngineGetPayloadBodiesV1Response);
-
-  rpc EngineGetPayloadBodiesByRangeV1(EngineGetPayloadBodiesByRangeV1Request) returns(EngineGetPayloadBodiesV1Response);
-
-  // Fetch the blobs bundle using its ID.
-  rpc EngineGetBlobsBundleV1(EngineGetBlobsBundleRequest) returns(types.BlobsBundleV1);
-}
-
-message EngineGetPayloadRequest {
-  uint64 payload_id = 1;
-}
-
-message EngineGetBlobsBundleRequest {
-  uint64 payload_id = 1;
-}
-
-enum EngineStatus {
-  VALID = 0;
-  INVALID = 1;
-  SYNCING = 2;
-  ACCEPTED = 3;
-  INVALID_BLOCK_HASH = 4;
-}
-
-message EnginePayloadStatus {
-  EngineStatus status = 1;
-  types.H256 latest_valid_hash = 2;
-  string validation_error = 3;
-}
-
-message EnginePayloadAttributes {
-  uint32 version = 1; // v1 - no withdrawals, v2 - with withdrawals
-  uint64 timestamp = 2;
-  types.H256 prev_randao = 3;
-  types.H160 suggested_fee_recipient = 4;
-  repeated types.Withdrawal withdrawals = 5;
-}
-
-message EngineForkChoiceState {
-  types.H256 head_block_hash = 1;
-  types.H256 safe_block_hash = 2;
-  types.H256 finalized_block_hash = 3;
-}
-
-message EngineForkChoiceUpdatedRequest {
-  EngineForkChoiceState forkchoice_state = 1;
-  EnginePayloadAttributes payload_attributes = 2;
-}
-
-message EngineForkChoiceUpdatedResponse {
-  EnginePayloadStatus payload_status = 1;
-  uint64 payload_id = 2;
-}
-
-message EngineGetPayloadResponse {
-  types.ExecutionPayload execution_payload = 1;
-  types.H256 block_value = 2;
-  types.BlobsBundleV1 blobs_bundle = 3;
-}
-
-message EngineGetPayloadBodiesByHashV1Request {
-  repeated types.H256 hashes = 1;
-}
-
-message EngineGetPayloadBodiesByRangeV1Request {
-  uint64 start = 1;
-  uint64 count = 2;
-}
-
-message EngineGetPayloadBodiesV1Response {
-  repeated types.ExecutionPayloadBodyV1 bodies = 1;
-}
-
diff --git a/engine/keep.go b/engine/keep.go
deleted file mode 100644
index 00a22ef..0000000
--- a/engine/keep.go
+++ /dev/null
@@ -1 +0,0 @@
-package engine
diff --git a/src/lib.rs b/src/lib.rs
index afa842c..d5fbcd4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -135,11 +135,6 @@ pub mod remotekv {
     tonic::include_proto!("remote");
 }
 
-#[cfg(feature = "engine")]
-pub mod remotekv {
-    tonic::include_proto!("engine");
-}
-
 #[cfg(feature = "snapshotsync")]
 pub mod snapshotsync {
     tonic::include_proto!("downloader");