Switch eth/v1 and v1alpha1 to protoc-gen-go-cast

.bazelversion

@@ -1 +1 @@
-3.2.0
+3.7.0

WORKSPACE

@@ -8,39 +8,39 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "io_bazel_rules_go",
-    sha256 = "0c10738a488239750dbf35336be13252bad7c74348f867d30c3c3e0001906096",
+    sha256 = "7904dbecbaffd068651916dce77ff3437679f9d20e1a7956bff43826e7645fcc",
     urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.23.2/rules_go-v0.23.2.tar.gz",
-        "https://github.com/bazelbuild/rules_go/releases/download/v0.23.2/rules_go-v0.23.2.tar.gz",
+        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/rules_go/releases/download/v0.25.1/rules_go-v0.25.1.tar.gz",
+        "https://github.com/bazelbuild/rules_go/releases/download/v0.25.1/rules_go-v0.25.1.tar.gz",
     ],
 )
 
 http_archive(
     name = "bazel_gazelle",
-    sha256 = "cdb02a887a7187ea4d5a27452311a75ed8637379a1287d8eeb952138ea485f7d",
+    sha256 = "222e49f034ca7a1d1231422cdb67066b885819885c356673cb1f72f748a3c9d4",
     urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-gazelle/releases/download/v0.21.1/bazel-gazelle-v0.21.1.tar.gz",
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.21.1/bazel-gazelle-v0.21.1.tar.gz",
+        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/bazel-gazelle/releases/download/v0.22.3/bazel-gazelle-v0.22.3.tar.gz",
+        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.22.3/bazel-gazelle-v0.22.3.tar.gz",
     ],
 )
 
 load("@io_bazel_rules_go//go:deps.bzl", "go_rules_dependencies", "go_register_toolchains")
 
 go_rules_dependencies()
 
-go_register_toolchains()
+go_register_toolchains(version="1.15.5")
 
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies")
 
 gazelle_dependencies()
 
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
-git_repository(
+http_archive(
     name = "com_google_protobuf",
-    commit = "4059c61f27eb1b06c4ee979546a238be792df0a4",
-    remote = "https://github.com/protocolbuffers/protobuf",
-    shallow_since = "1558721209 -0700",
+    sha256 = "65e020a42bdab44a66664d34421995829e9e79c60e5adaa08282fd14ca552f57",
+    strip_prefix = "protobuf-3.15.6",
+    urls = ["https://github.com/protocolbuffers/protobuf/archive/v3.15.6.tar.gz"],
 )
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")

eth/ext/BUILD.bazel

@@ -0,0 +1,65 @@
+##############################################################################
+# Common
+##############################################################################
+
+load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_java//java:defs.bzl", "java_proto_library")
+
+proto_library(
+    name = "proto",
+    srcs = [
+        "options.proto",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_google_protobuf//:descriptor_proto",
+        "@com_google_protobuf//:empty_proto",
+    ],
+)
+
+##############################################################################
+# Go
+##############################################################################
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")
+load("//tools:ssz.bzl", "SSZ_DEPS", "ssz_gen_marshal")
+
+go_proto_library(
+    name = "go_proto",
+    compilers = [
+        "@com_github_prysmaticlabs_protoc_gen_go_cast//:go_cast",
+    ],
+    importpath = "github.com/prysmaticlabs/ethereumapis/eth/ext",
+    proto = ":proto",
+    visibility = ["//visibility:public"],
+    deps = [
+        "@io_bazel_rules_go//proto/wkt:descriptor_go_proto",
+        "@com_github_golang_protobuf//proto:go_default_library",
+        "@org_golang_google_protobuf//types/descriptorpb:go_default_library",
+        "@go_googleapis//google/api:annotations_go_proto",
+        "@org_golang_google_protobuf//reflect/protoreflect:go_default_library",
+        "@org_golang_google_protobuf//runtime/protoimpl:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    embed = [":go_proto"],
+    importpath = "github.com/prysmaticlabs/ethereumapis/eth/ext",
+    visibility = ["//visibility:public"],
+    deps = SSZ_DEPS + [
+        "@io_bazel_rules_go//proto/wkt:empty_go_proto",
+        "@io_bazel_rules_go//proto/wkt:descriptor_go_proto",
+        "@com_github_golang_protobuf//proto:go_default_library",
+        "@org_golang_google_protobuf//reflect/protoreflect:go_default_library",
+        "@org_golang_google_protobuf//runtime/protoimpl:go_default_library",
+    ],  # keep
+)
+
+##############################################################################
+# Java
+##############################################################################
+java_proto_library(
+    name = "java_proto",
+    deps = [":proto"],
+)

eth/ext/options.proto

@@ -0,0 +1,32 @@
+// Copyright 2020 Prysmatic Labs.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+syntax = "proto3";
+
+package ethereum.eth.ext;
+
+import "google/protobuf/descriptor.proto";
+
+option csharp_namespace = "Ethereum.Eth.ext";
+option go_package = "github.com/prysmaticlabs/ethereumapis/eth/ext";
+option java_multiple_files = true;
+option java_outer_classname = "OptionsProto";
+option java_package = "org.ethereum.eth.ext";
+option php_namespace = "Ethereum\\Eth\\ext";
+
+extend google.protobuf.FieldOptions {
+  string cast_type = 50000;
+  string ssz_size = 50001;
+  string ssz_max = 50002;
+  string spec_name = 50003;
+}