# beacon_chain
# Copyright (c) 2018-2021 Status Research & Development GmbH
# Licensed and distributed under either of
#   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
#   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.

{.push raises: [Defect].}

import
  std/sequtils,
  json_rpc/servers/httpserver,
  chronicles,
  ../version, ../beacon_node,
  ../networking/[eth2_network, peer_pool],
  ../spec/datatypes/phase0,
  ./rpc_utils

logScope: topics = "debugapi"

type
  RpcServer = RpcHttpServer

proc installDebugApiHandlers*(rpcServer: RpcServer, node: BeaconNode) {.
    raises: [Defect, CatchableError].} =
  rpcServer.rpc("get_v1_debug_beacon_states_stateId") do (
      stateId: string) -> phase0.BeaconState:
    withStateForStateId(stateId):
      if stateData.data.kind == BeaconStateFork.Phase0:
        return stateData.data.phase0Data.data
      else:
        raiseNoAltairSupport()

  rpcServer.rpc("get_v1_debug_beacon_heads") do () -> seq[tuple[root: Eth2Digest, slot: Slot]]:
    return node.dag.heads.mapIt((it.root, it.slot))