gRPC Gateway Removal (#14089)

* wip passing e2e

* reverting temp comment

* remove unneeded comments

* fixing merge errors

* fixing more bugs from merge

* fixing test

* WIP moving code around and fixing tests

* unused linting

* gaz

* temp removing these tests as we need placeholder/wrapper APIs for them with the removal of the gateway

* attempting to remove dependencies to gRPC gateway , 1 mroe left in deps.bzl

* renaming flags and other gateway services to http

* goimport

* fixing deepsource

* git mv

* Update validator/package/validator.yaml

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update validator/package/validator.yaml

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update cmd/beacon-chain/flags/base.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update cmd/beacon-chain/flags/base.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update cmd/beacon-chain/flags/base.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* addressing feedback

* missed lint

* renaming import

* reversal based on feedback

* fixing web ui registration

* don't require mux handler

* gaz

* removing gRPC service from validator completely, merged with http service, renames are a work in progress

* updating go.sum

* linting

* trailing white space

* realized there was more cleanup i could do with code reuse

* adding wrapper for routes

* reverting version

* fixing dependencies from merging develop

* gaz

* fixing unit test

* fixing dependencies

* reverting unit test

* fixing conflict

* updating change log

* Update log.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* gaz

* Update api/server/httprest/server.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* addressing some feedback

* forgot to remove deprecated flag in usage

* gofmt

* fixing test

* fixing deepsource issue

* moving deprecated flag and adding timeout handler

* missed removal of a flag

* fixing test:

* Update CHANGELOG.md

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* addressing feedback

* updating comments based on feedback

* removing unused field for now, we can add it back in if we need to use the option

* removing unused struct

* changing api-timeout flag based on feedback

---------

Co-authored-by: Radosław Kapka <rkapka@wp.pl>
Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

BUILD.bazel

@@ -55,13 +55,6 @@ alias(
     visibility = ["//visibility:public"],
 )
 
-# Protobuf gRPC gateway compiler
-alias(
-    name = "grpc_gateway_proto_compiler",
-    actual = "@com_github_grpc_ecosystem_grpc_gateway_v2//protoc-gen-grpc-gateway:go_gen_grpc_gateway",
-    visibility = ["//visibility:public"],
-)
-
 gometalinter(
     name = "gometalinter",
     config = "//:.gometalinter.json",

CHANGELOG.md

@@ -23,13 +23,17 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 - Electra: Updated block publishing beacon APIs to support Electra.
 - "Submitted builder validator registration settings for custom builders" log message moved to debug level.
 - config: Genesis validator root is now hardcoded in params.BeaconConfig()
+- `grpc-gateway-host` is renamed to http-host. The old name can still be used as an alias.
+- `grpc-gateway-port` is renamed to http-port.
+- `grpc-gateway-corsdomain` is renamed to http-cors-domain.
+- `api-timeout` is changed from int flag to duration flag, default value updated.
 
 ### Deprecated
-
+- `--disable-grpc-gateway` flag is deprecated due to grpc gateway removal.
 - `--enable-experimental-state` flag is deprecated. This feature is now on by default. Opt-out with `--disable-experimental-state`.
 
 ### Removed
-
+- removed gRPC Gateway
 
 ### Fixed