Replace validator wait for activation stream with polling

CHANGELOG.md

@@ -53,6 +53,7 @@ The format is based on Keep a Changelog, and this project adheres to Semantic Ve
 ### 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`.
+- `/eth/v1alpha1/validator/activation/stream` grpc wait for activation stream is depracated.
 
 ### Removed
 

beacon-chain/rpc/prysm/v1alpha1/validator/server.go

@@ -83,6 +83,7 @@ type Server struct {
 // WaitForActivation checks if a validator public key exists in the active validator registry of the current
 // beacon state, if not, then it creates a stream which listens for canonical states which contain
 // the validator with the public key as an active validator record.
+// Deprecated: do not use, just poll validator status every epoch.
 func (vs *Server) WaitForActivation(req *ethpb.ValidatorActivationRequest, stream ethpb.BeaconNodeValidator_WaitForActivationServer) error {
 	activeValidatorExists, validatorStatuses, err := vs.activationStatus(stream.Context(), req.PublicKeys)
 	if err != nil {

proto/prysm/v1alpha1/validator.proto

@@ -87,6 +87,7 @@ service BeaconNodeValidator {
         option (google.api.http) = {
             get: "/eth/v1alpha1/validator/activation/stream"
         };
+        option deprecated = true;
     }
 
     // ValidatorIndex retrieves a validator's index location in the beacon state's

validator/client/BUILD.bazel

@@ -144,7 +144,6 @@ go_test(
         "//runtime:go_default_library",
         "//runtime/version:go_default_library",
         "//testing/assert:go_default_library",
-        "//testing/mock:go_default_library",
         "//testing/require:go_default_library",
         "//testing/util:go_default_library",
         "//testing/validator-mock:go_default_library",
@@ -169,7 +168,6 @@ go_test(
         "@com_github_prysmaticlabs_go_bitfield//:go_default_library",
         "@com_github_sirupsen_logrus//:go_default_library",
         "@com_github_sirupsen_logrus//hooks/test:go_default_library",
-        "@com_github_stretchr_testify//mock:go_default_library",
         "@com_github_tyler_smith_go_bip39//:go_default_library",
         "@com_github_urfave_cli_v2//:go_default_library",
         "@com_github_wealdtech_go_eth2_util//:go_default_library",

validator/client/beacon-api/BUILD.bazel

@@ -3,7 +3,6 @@ load("@prysm//tools/go:def.bzl", "go_library", "go_test")
 go_library(
     name = "go_default_library",
     srcs = [
-        "activation.go",
         "attestation_data.go",
         "beacon_api_beacon_chain_client.go",
         "beacon_api_helpers.go",
@@ -75,7 +74,6 @@ go_test(
     name = "go_default_test",
     size = "small",
     srcs = [
-        "activation_test.go",
         "attestation_data_test.go",
         "beacon_api_beacon_chain_client_test.go",
         "beacon_api_helpers_test.go",