nimbus-eth2/beacon_chain/rpc/rest_debug_api.nim

204 lines
7.4 KiB
Nim

# beacon_chain
# Copyright (c) 2021-2022 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.
import std/sequtils
import chronicles
import ".."/beacon_node,
".."/spec/forks,
"."/[rest_utils, state_ttl_cache]
from ../fork_choice/proto_array import ProtoArrayItem, items
export rest_utils
logScope: topics = "rest_debug"
proc installDebugApiHandlers*(router: var RestRouter, node: BeaconNode) =
# https://ethereum.github.io/beacon-APIs/#/Debug/getState
router.api(MethodGet,
"/eth/v1/debug/beacon/states/{state_id}") do (
state_id: StateIdent) -> RestApiResponse:
let bslot =
block:
if state_id.isErr():
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
$state_id.error())
let bres = node.getBlockSlotId(state_id.get())
if bres.isErr():
return RestApiResponse.jsonError(Http404, StateNotFoundError,
$bres.error())
bres.get()
let contentType =
block:
let res = preferredContentType(jsonMediaType,
sszMediaType)
if res.isErr():
return RestApiResponse.jsonError(Http406, ContentNotAcceptableError)
res.get()
node.withStateForBlockSlotId(bslot):
return
case state.kind
of BeaconStateFork.Phase0:
if contentType == sszMediaType:
RestApiResponse.sszResponse(state.phase0Data.data, [])
elif contentType == jsonMediaType:
RestApiResponse.jsonResponse(state.phase0Data.data)
else:
RestApiResponse.jsonError(Http500, InvalidAcceptError)
of BeaconStateFork.Altair, BeaconStateFork.Bellatrix:
RestApiResponse.jsonError(Http404, StateNotFoundError)
return RestApiResponse.jsonError(Http404, StateNotFoundError)
# https://ethereum.github.io/beacon-APIs/#/Debug/getStateV2
router.api(MethodGet,
"/eth/v2/debug/beacon/states/{state_id}") do (
state_id: StateIdent) -> RestApiResponse:
let bslot =
block:
if state_id.isErr():
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
$state_id.error())
let bres = node.getBlockSlotId(state_id.get())
if bres.isErr():
return RestApiResponse.jsonError(Http404, StateNotFoundError,
$bres.error())
bres.get()
let contentType =
block:
let res = preferredContentType(jsonMediaType,
sszMediaType)
if res.isErr():
return RestApiResponse.jsonError(Http406, ContentNotAcceptableError)
res.get()
node.withStateForBlockSlotId(bslot):
return
if contentType == jsonMediaType:
RestApiResponse.jsonResponseState(
state,
node.getStateOptimistic(state)
)
elif contentType == sszMediaType:
let headers = [("eth-consensus-version", state.kind.toString())]
withState(state):
RestApiResponse.sszResponse(state.data, headers)
else:
RestApiResponse.jsonError(Http500, InvalidAcceptError)
return RestApiResponse.jsonError(Http404, StateNotFoundError)
# https://ethereum.github.io/beacon-APIs/#/Debug/getDebugChainHeads
router.api(MethodGet,
"/eth/v1/debug/beacon/heads") do () -> RestApiResponse:
return RestApiResponse.jsonResponse(
node.dag.heads.mapIt((root: it.root, slot: it.slot))
)
# https://ethereum.github.io/beacon-APIs/#/Debug/getDebugChainHeadsV2
router.api(MethodGet,
"/eth/v2/debug/beacon/heads") do () -> RestApiResponse:
return RestApiResponse.jsonResponse(
node.dag.heads.mapIt(
(
root: it.root,
slot: it.slot,
execution_optimistic: node.getBlockRefOptimistic(it)
)
)
)
# https://github.com/ethereum/beacon-APIs/pull/232
if node.config.debugForkChoice:
router.api(MethodGet,
"/eth/v1/debug/fork_choice") do () -> RestApiResponse:
type
ForkChoiceResponseExtraData = object
justified_root: Eth2Digest
finalized_root: Eth2Digest
u_justified_checkpoint: Option[Checkpoint]
u_finalized_checkpoint: Option[Checkpoint]
best_child: Eth2Digest
best_descendant: Eth2Digest
invalid: bool
ForkChoiceResponse = object
slot: Slot
block_root: Eth2Digest
parent_root: Eth2Digest
justified_epoch: Epoch
finalized_epoch: Epoch
weight: uint64
execution_optimistic: bool
execution_payload_root: Eth2Digest
extra_data: Option[ForkChoiceResponseExtraData]
var responses: seq[ForkChoiceResponse]
for item in node.attestationPool[].forkChoice.backend.proto_array:
let
bid = node.dag.getBlockId(item.root)
slot =
if bid.isOk:
bid.unsafeGet.slot
else:
FAR_FUTURE_SLOT
executionPayloadRoot =
if bid.isOk:
node.dag.loadExecutionBlockRoot(bid.unsafeGet)
else:
ZERO_HASH
unrealized = item.unrealized.get(item.checkpoints)
u_justified_checkpoint =
if unrealized.justified != item.checkpoints.justified:
some unrealized.justified
else:
none(Checkpoint)
u_finalized_checkpoint =
if unrealized.finalized != item.checkpoints.finalized:
some unrealized.finalized
else:
none(Checkpoint)
responses.add ForkChoiceResponse(
slot: slot,
block_root: item.root,
parent_root: item.parent,
justified_epoch: item.checkpoints.justified.epoch,
finalized_epoch: item.checkpoints.finalized.epoch,
weight: cast[uint64](item.weight),
execution_optimistic: node.dag.is_optimistic(item.root),
execution_payload_root: executionPayloadRoot,
extra_data: some ForkChoiceResponseExtraData(
justified_root: item.checkpoints.justified.root,
finalized_root: item.checkpoints.finalized.root,
u_justified_checkpoint: u_justified_checkpoint,
u_finalized_checkpoint: u_finalized_checkpoint,
best_child: item.bestChild,
bestDescendant: item.bestDescendant,
invalid: item.invalid))
return RestApiResponse.jsonResponse(responses)
# Legacy URLS - Nimbus <= 1.5.5 used to expose the REST API with an additional
# `/api` path component
router.redirect(
MethodGet,
"/api/eth/v1/debug/beacon/states/{state_id}",
"/eth/v1/debug/beacon/states/{state_id}"
)
router.redirect(
MethodGet,
"/api/eth/v2/debug/beacon/states/{state_id}",
"/eth/v2/debug/beacon/states/{state_id}"
)
router.redirect(
MethodGet,
"/api/eth/v1/debug/beacon/heads",
"/eth/v1/debug/beacon/heads"
)
router.redirect(
MethodGet,
"/api/eth/v2/debug/beacon/heads",
"/eth/v2/debug/beacon/heads"
)