[2/5] light client http api

beacon-chain/rpc/BUILD.bazel

@@ -31,6 +31,7 @@ go_library(
         "//beacon-chain/rpc/eth/config:go_default_library",
         "//beacon-chain/rpc/eth/debug:go_default_library",
         "//beacon-chain/rpc/eth/events:go_default_library",
+        "//beacon-chain/rpc/eth/light-client:go_default_library",
         "//beacon-chain/rpc/eth/node:go_default_library",
         "//beacon-chain/rpc/eth/rewards:go_default_library",
         "//beacon-chain/rpc/eth/validator:go_default_library",

beacon-chain/rpc/eth/config/handlers_test.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+
 	"github.com/prysmaticlabs/prysm/v4/config/params"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
@@ -171,7 +172,7 @@ func TestGetSpec(t *testing.T) {
 	data, ok := resp.Data.(map[string]interface{})
 	require.Equal(t, true, ok)
 
-	assert.Equal(t, 112, len(data))
+	assert.Equal(t, 113, len(data))
 	for k, v := range data {
 		switch k {
 		case "CONFIG_NAME":
@@ -414,6 +415,8 @@ func TestGetSpec(t *testing.T) {
 			assert.Equal(t, "160", v)
 		case "MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT":
 			assert.Equal(t, "8", v)
+		case "MAX_REQUEST_LIGHT_CLIENT_UPDATES":
+			assert.Equal(t, "128", v)
 		case "SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY":
 		default:
 			t.Errorf("Incorrect key: %s", k)

beacon-chain/rpc/eth/light-client/BUILD.bazel

@@ -0,0 +1,55 @@
+load("@prysm//tools/go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "handlers.go",
+        "helpers.go",
+        "server.go",
+        "structs.go",
+    ],
+    importpath = "github.com/prysmaticlabs/prysm/v4/beacon-chain/rpc/eth/light-client",
+    visibility = ["//beacon-chain:__subpackages__"],
+    deps = [
+        "//beacon-chain/blockchain:go_default_library",
+        "//beacon-chain/rpc/eth/shared:go_default_library",
+        "//beacon-chain/rpc/lookup:go_default_library",
+        "//beacon-chain/state:go_default_library",
+        "//config/fieldparams:go_default_library",
+        "//config/params:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/primitives:go_default_library",
+        "//network/http:go_default_library",
+        "//proto/eth/v1:go_default_library",
+        "//proto/eth/v2:go_default_library",
+        "//proto/migration:go_default_library",
+        "//runtime/version:go_default_library",
+        "//time/slots:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
+        "@com_github_gorilla_mux//:go_default_library",
+        "@com_github_wealdtech_go_bytesutil//:go_default_library",
+        "@io_opencensus_go//trace:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["handlers_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "//beacon-chain/blockchain/testing:go_default_library",
+        "//beacon-chain/core/helpers:go_default_library",
+        "//beacon-chain/rpc/testutil:go_default_library",
+        "//beacon-chain/state:go_default_library",
+        "//config/params:go_default_library",
+        "//consensus-types/blocks:go_default_library",
+        "//consensus-types/interfaces:go_default_library",
+        "//consensus-types/primitives:go_default_library",
+        "//encoding/bytesutil:go_default_library",
+        "//proto/prysm/v1alpha1:go_default_library",
+        "//testing/require:go_default_library",
+        "//testing/util:go_default_library",
+        "@com_github_ethereum_go_ethereum//common/hexutil:go_default_library",
+        "@com_github_gorilla_mux//:go_default_library",
+    ],
+)