Debug HTTP endpoints (#13164)

* Debug HTTP endpoints

* register endpoints

* tests

* small fixes

* config test fix

consensus-types/forkchoice/BUILD.bazel

@@ -0,0 +1,12 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["types.go"],
+    importpath = "github.com/prysmaticlabs/prysm/v4/consensus-types/forkchoice",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//consensus-types/primitives:go_default_library",
+        "//proto/prysm/v1alpha1:go_default_library",
+    ],
+)

consensus-types/forkchoice/types.go

@@ -0,0 +1,54 @@
+package forkchoice
+
+import (
+	"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
+	eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
+)
+
+type NodeValidity uint8
+
+const (
+	Valid NodeValidity = iota
+	Invalid
+	Optimistic
+)
+
+func (v NodeValidity) String() string {
+	switch v {
+	case Valid:
+		return "valid"
+	case Invalid:
+		return "invalid"
+	case Optimistic:
+		return "optimistic"
+	default:
+		return "unknown"
+	}
+}
+
+type Dump struct {
+	JustifiedCheckpoint           *eth.Checkpoint
+	FinalizedCheckpoint           *eth.Checkpoint
+	UnrealizedJustifiedCheckpoint *eth.Checkpoint
+	UnrealizedFinalizedCheckpoint *eth.Checkpoint
+	ProposerBoostRoot             []byte
+	PreviousProposerBoostRoot     []byte
+	HeadRoot                      []byte
+	ForkChoiceNodes               []*Node
+}
+
+type Node struct {
+	Validity                 NodeValidity
+	ExecutionOptimistic      bool
+	Slot                     primitives.Slot
+	JustifiedEpoch           primitives.Epoch
+	FinalizedEpoch           primitives.Epoch
+	UnrealizedJustifiedEpoch primitives.Epoch
+	UnrealizedFinalizedEpoch primitives.Epoch
+	Balance                  uint64
+	Weight                   uint64
+	Timestamp                uint64
+	BlockRoot                []byte
+	ParentRoot               []byte
+	ExecutionBlockHash       []byte
+}