690 lines
28 KiB
Nim
690 lines
28 KiB
Nim
# 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.
|
|
import std/[typetraits, strutils, sets]
|
|
import stew/[results, base10], chronicles,
|
|
nimcrypto/utils as ncrutils
|
|
import "."/rest_utils,
|
|
".."/[beacon_chain_db, beacon_node],
|
|
".."/networking/eth2_network,
|
|
".."/consensus_object_pools/[blockchain_dag, spec_cache,
|
|
attestation_pool, sync_committee_msg_pool],
|
|
".."/validators/validator_duties,
|
|
".."/spec/[beaconstate, forks, network],
|
|
".."/spec/datatypes/[phase0, altair]
|
|
|
|
export rest_utils
|
|
|
|
logScope: topics = "rest_validatorapi"
|
|
|
|
proc installValidatorApiHandlers*(router: var RestRouter, node: BeaconNode) =
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/getAttesterDuties
|
|
router.api(MethodPost, "/api/eth/v1/validator/duties/attester/{epoch}") do (
|
|
epoch: Epoch, contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let indexList =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[RestValidatorIndex], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidValidatorIndexValueError,
|
|
$dres.error())
|
|
var res: HashSet[ValidatorIndex]
|
|
let items = dres.get()
|
|
for item in items:
|
|
let vres = item.toValidatorIndex()
|
|
if vres.isErr():
|
|
case vres.error()
|
|
of ValidatorIndexError.TooHighValue:
|
|
return RestApiResponse.jsonError(Http400,
|
|
TooHighValidatorIndexValueError)
|
|
of ValidatorIndexError.UnsupportedValue:
|
|
return RestApiResponse.jsonError(Http500,
|
|
UnsupportedValidatorIndexValueError)
|
|
res.incl(vres.get())
|
|
if len(res) == 0:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EmptyValidatorIndexArrayError)
|
|
res
|
|
let qepoch =
|
|
block:
|
|
if epoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$epoch.error())
|
|
let res = epoch.get()
|
|
if res > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
res
|
|
let qhead =
|
|
block:
|
|
let res = node.getCurrentHead(qepoch)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
res.get()
|
|
let droot =
|
|
if qepoch >= Epoch(2):
|
|
qhead.atSlot(compute_start_slot_at_epoch(qepoch - 1) - 1).blck.root
|
|
else:
|
|
node.dag.genesis.root
|
|
let duties =
|
|
block:
|
|
var res: seq[RestAttesterDuty]
|
|
let epochRef = node.dag.getEpochRef(qhead, qepoch)
|
|
let committees_per_slot = get_committee_count_per_slot(epochRef)
|
|
for i in 0 ..< SLOTS_PER_EPOCH:
|
|
let slot = compute_start_slot_at_epoch(qepoch) + i
|
|
for committee_index in 0'u64 ..< committees_per_slot:
|
|
let commitee = get_beacon_committee(
|
|
epochRef, slot, CommitteeIndex(committee_index)
|
|
)
|
|
for index_in_committee, validator_index in commitee:
|
|
if validator_index in indexList:
|
|
let validator_key = epochRef.validatorKey(validator_index)
|
|
if validator_key.isSome():
|
|
res.add(
|
|
RestAttesterDuty(
|
|
pubkey: validator_key.get().toPubKey(),
|
|
validator_index: validator_index,
|
|
committee_index: CommitteeIndex(committee_index),
|
|
committee_length: lenu64(commitee),
|
|
committees_at_slot: committees_per_slot,
|
|
validator_committee_index:
|
|
ValidatorIndex(index_in_committee),
|
|
slot: slot
|
|
)
|
|
)
|
|
res
|
|
return RestApiResponse.jsonResponseWRoot(duties, droot)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/getProposerDuties
|
|
router.api(MethodGet, "/api/eth/v1/validator/duties/proposer/{epoch}") do (
|
|
epoch: Epoch) -> RestApiResponse:
|
|
let qepoch =
|
|
block:
|
|
if epoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$epoch.error())
|
|
let res = epoch.get()
|
|
if res > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
res
|
|
let qhead =
|
|
block:
|
|
let res = node.getCurrentHead(qepoch)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
res.get()
|
|
let droot =
|
|
if qepoch >= Epoch(2):
|
|
qhead.atSlot(compute_start_slot_at_epoch(qepoch - 1) - 1).blck.root
|
|
else:
|
|
node.dag.genesis.root
|
|
let duties =
|
|
block:
|
|
var res: seq[RestProposerDuty]
|
|
let epochRef = node.dag.getEpochRef(qhead, qepoch)
|
|
for i, bp in epochRef.beacon_proposers:
|
|
if i == 0 and qepoch == 0:
|
|
# Fix for https://github.com/status-im/nimbus-eth2/issues/2488
|
|
# Slot(0) at Epoch(0) do not have a proposer.
|
|
continue
|
|
|
|
if bp.isSome():
|
|
res.add(
|
|
RestProposerDuty(
|
|
pubkey: epochRef.validatorKey(bp.get()).get().toPubKey(),
|
|
validator_index: bp.get(),
|
|
slot: compute_start_slot_at_epoch(qepoch) + i
|
|
)
|
|
)
|
|
res
|
|
return RestApiResponse.jsonResponseWRoot(duties, droot)
|
|
|
|
router.api(MethodPost, "/api/eth/v1/validator/duties/sync/{epoch}") do (
|
|
epoch: Epoch, contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let indexList =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[RestValidatorIndex], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidValidatorIndexValueError,
|
|
$dres.error())
|
|
var res: seq[ValidatorIndex]
|
|
let items = dres.get()
|
|
for item in items:
|
|
let vres = item.toValidatorIndex()
|
|
if vres.isErr():
|
|
case vres.error()
|
|
of ValidatorIndexError.TooHighValue:
|
|
return RestApiResponse.jsonError(Http400,
|
|
TooHighValidatorIndexValueError)
|
|
of ValidatorIndexError.UnsupportedValue:
|
|
return RestApiResponse.jsonError(Http500,
|
|
UnsupportedValidatorIndexValueError)
|
|
res.add(vres.get())
|
|
if len(res) == 0:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EmptyValidatorIndexArrayError)
|
|
res
|
|
let qepoch =
|
|
block:
|
|
if epoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$epoch.error())
|
|
let res = epoch.get()
|
|
if res > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
|
|
if res > node.dag.head.slot.epoch() + 1:
|
|
if not(node.isSynced(node.dag.head)):
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
else:
|
|
return RestApiResponse.jsonError(Http400, EpochFromFutureError)
|
|
res
|
|
|
|
let bslot = node.dag.head.atSlot(qepoch.compute_start_slot_at_epoch())
|
|
|
|
node.withStateForBlockSlot(bslot):
|
|
let syncCommittee =
|
|
block:
|
|
let res = syncCommitteeParticipants(stateData().data, qepoch)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
$res.error())
|
|
let kres = res.get()
|
|
if len(kres) == 0:
|
|
return RestApiResponse.jsonError(Http500, InternalServerError,
|
|
"List of sync committee participants is empty")
|
|
kres
|
|
|
|
var duties =
|
|
withState(stateData().data):
|
|
var res = newSeq[RestSyncCommitteeDuty](len(indexList))
|
|
for resIdx, validatorIdx in indexList:
|
|
if not validatorIdx.isValidInState(state.data):
|
|
return RestApiResponse.jsonError(Http400, "Invalid index: " & $validatorIdx)
|
|
|
|
res[resIdx].pubkey = state.data.validators.asSeq()[validatorIdx].pubkey
|
|
res[resIdx].validator_index = validatorIdx
|
|
|
|
for idx, pubkey in syncCommittee:
|
|
if pubkey == res[resIdx].pubkey:
|
|
res[resIdx].validator_sync_committee_indices.add(
|
|
IndexInSyncCommittee idx)
|
|
res
|
|
|
|
return RestApiResponse.jsonResponse(duties)
|
|
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/produceBlock
|
|
router.api(MethodGet, "/api/eth/v1/validator/blocks/{slot}") do (
|
|
slot: Slot, randao_reveal: Option[ValidatorSig],
|
|
graffiti: Option[GraffitiBytes]) -> RestApiResponse:
|
|
let message =
|
|
block:
|
|
let qslot =
|
|
block:
|
|
if slot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$slot.error())
|
|
slot.get()
|
|
let qrandao =
|
|
if randao_reveal.isNone():
|
|
return RestApiResponse.jsonError(Http400, MissingRandaoRevealValue)
|
|
else:
|
|
let res = randao_reveal.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidRandaoRevealValue,
|
|
$res.error())
|
|
res.get()
|
|
let qgraffiti =
|
|
if graffiti.isNone():
|
|
defaultGraffitiBytes()
|
|
else:
|
|
let res = graffiti.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidGraffitiBytesValye,
|
|
$res.error())
|
|
res.get()
|
|
let qhead =
|
|
block:
|
|
let res = node.getCurrentHead(qslot)
|
|
if res.isErr():
|
|
if not(node.isSynced(node.dag.head)):
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
else:
|
|
return RestApiResponse.jsonError(Http400, NoHeadForSlotError,
|
|
$res.error())
|
|
res.get()
|
|
let proposer = node.dag.getProposer(qhead, qslot)
|
|
if proposer.isNone():
|
|
return RestApiResponse.jsonError(Http400, ProposerNotFoundError)
|
|
let res = await makeBeaconBlockForHeadAndSlot(
|
|
node, qrandao, proposer.get(), qgraffiti, qhead, qslot)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, res.error())
|
|
res.get()
|
|
return
|
|
case message.kind
|
|
of BeaconBlockFork.Phase0:
|
|
RestApiResponse.jsonResponse(message.phase0Data)
|
|
else:
|
|
RestApiResponse.jsonError(Http400,
|
|
"Unable to produce block for altair fork")
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/produceBlockV2
|
|
router.api(MethodGet, "/api/eth/v2/validator/blocks/{slot}") do (
|
|
slot: Slot, randao_reveal: Option[ValidatorSig],
|
|
graffiti: Option[GraffitiBytes]) -> RestApiResponse:
|
|
let message =
|
|
block:
|
|
let qslot =
|
|
block:
|
|
if slot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$slot.error())
|
|
slot.get()
|
|
let qrandao =
|
|
if randao_reveal.isNone():
|
|
return RestApiResponse.jsonError(Http400, MissingRandaoRevealValue)
|
|
else:
|
|
let res = randao_reveal.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidRandaoRevealValue,
|
|
$res.error())
|
|
res.get()
|
|
let qgraffiti =
|
|
if graffiti.isNone():
|
|
defaultGraffitiBytes()
|
|
else:
|
|
let res = graffiti.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidGraffitiBytesValye,
|
|
$res.error())
|
|
res.get()
|
|
let qhead =
|
|
block:
|
|
let res = node.getCurrentHead(qslot)
|
|
if res.isErr():
|
|
if not(node.isSynced(node.dag.head)):
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
else:
|
|
return RestApiResponse.jsonError(Http400, NoHeadForSlotError,
|
|
$res.error())
|
|
res.get()
|
|
let proposer = node.dag.getProposer(qhead, qslot)
|
|
if proposer.isNone():
|
|
return RestApiResponse.jsonError(Http400, ProposerNotFoundError)
|
|
let res = await makeBeaconBlockForHeadAndSlot(
|
|
node, qrandao, proposer.get(), qgraffiti, qhead, qslot)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, res.error())
|
|
res.get()
|
|
return RestApiResponse.jsonResponsePlain(message)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/produceAttestationData
|
|
router.api(MethodGet, "/api/eth/v1/validator/attestation_data") do (
|
|
slot: Option[Slot],
|
|
committee_index: Option[CommitteeIndex]) -> RestApiResponse:
|
|
let adata =
|
|
block:
|
|
let qslot =
|
|
block:
|
|
if slot.isNone():
|
|
return RestApiResponse.jsonError(Http400, MissingSlotValueError)
|
|
let res = slot.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$res.error())
|
|
res.get()
|
|
let qindex =
|
|
block:
|
|
if committee_index.isNone():
|
|
return RestApiResponse.jsonError(Http400,
|
|
MissingCommitteeIndexValueError)
|
|
let res = committee_index.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidCommitteeIndexValueError,
|
|
$res.error())
|
|
res.get()
|
|
let qhead =
|
|
block:
|
|
let res = node.getCurrentHead(qslot)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
res.get()
|
|
let epochRef = node.dag.getEpochRef(qhead, qslot.epoch)
|
|
makeAttestationData(epochRef, qhead.atSlot(qslot), qindex)
|
|
return RestApiResponse.jsonResponse(adata)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/getAggregatedAttestation
|
|
router.api(MethodGet, "/api/eth/v1/validator/aggregate_attestation") do (
|
|
attestation_data_root: Option[Eth2Digest],
|
|
slot: Option[Slot]) -> RestApiResponse:
|
|
let attestation =
|
|
block:
|
|
let qslot =
|
|
block:
|
|
if slot.isNone():
|
|
return RestApiResponse.jsonError(Http400, MissingSlotValueError)
|
|
let res = slot.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$res.error())
|
|
res.get()
|
|
let qroot =
|
|
block:
|
|
if attestation_data_root.isNone():
|
|
return RestApiResponse.jsonError(Http400,
|
|
MissingAttestationDataRootValueError)
|
|
let res = attestation_data_root.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidAttestationDataRootValueError, $res.error())
|
|
res.get()
|
|
let res = node.attestationPool[].getAggregatedAttestation(qslot, qroot)
|
|
if res.isNone():
|
|
return RestApiResponse.jsonError(Http400,
|
|
UnableToGetAggregatedAttestationError)
|
|
res.get()
|
|
return RestApiResponse.jsonResponse(attestation)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/publishAggregateAndProofs
|
|
router.api(MethodPost, "/api/eth/v1/validator/aggregate_and_proofs") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let proofs =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[SignedAggregateAndProof], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidAggregateAndProofObjectError,
|
|
$dres.error())
|
|
dres.get()
|
|
# Since our validation logic supports batch processing, we will submit all
|
|
# aggregated attestations for validation.
|
|
var pending =
|
|
block:
|
|
var res: seq[Future[SendResult]]
|
|
for proof in proofs:
|
|
res.add(node.sendAggregateAndProof(proof))
|
|
res
|
|
await allFutures(pending)
|
|
for future in pending:
|
|
if future.done():
|
|
let res = future.read()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
AggregateAndProofValidationError,
|
|
$res.error())
|
|
else:
|
|
return RestApiResponse.jsonError(Http500,
|
|
"Unexpected server failure, while sending aggregate and proof")
|
|
return RestApiResponse.jsonMsgResponse(AggregateAndProofValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/prepareBeaconCommitteeSubnet
|
|
router.api(MethodPost,
|
|
"/api/eth/v1/validator/beacon_committee_subscriptions") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
# TODO (cheatfate): This call could not be finished because more complex
|
|
# peer manager implementation needed.
|
|
let requests =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[RestCommitteeSubscription],
|
|
contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSubscriptionRequestValueError,
|
|
$dres.error())
|
|
dres.get()
|
|
if not(node.isSynced(node.dag.head)):
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
|
|
for request in requests:
|
|
if uint64(request.committee_index) >= uint64(MAX_COMMITTEES_PER_SLOT):
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidCommitteeIndexValueError)
|
|
if uint64(request.validator_index) >=
|
|
lenu64(getStateField(node.dag.headState.data, validators)):
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidValidatorIndexValueError)
|
|
|
|
let wallSlot = node.beaconClock.now.slotOrZero
|
|
if wallSlot > request.slot + 1:
|
|
return RestApiResponse.jsonError(Http400, SlotFromThePastError)
|
|
let epoch = request.slot.epoch
|
|
if epoch >= wallSlot.epoch and epoch - wallSlot.epoch > 1:
|
|
return RestApiResponse.jsonError(Http400,
|
|
SlotNotInNextWallSlotEpochError)
|
|
let head =
|
|
block:
|
|
let res = node.getCurrentHead(epoch)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, NoHeadForSlotError,
|
|
$res.error())
|
|
res.get()
|
|
let epochRef = node.dag.getEpochRef(head, epoch)
|
|
let subnet_id = compute_subnet_for_attestation(
|
|
get_committee_count_per_slot(epochRef), request.slot,
|
|
request.committee_index)
|
|
|
|
node.registerDuty(
|
|
request.slot, subnet_id, request.validator_index,
|
|
request.is_aggregator)
|
|
|
|
return RestApiResponse.jsonMsgResponse(BeaconCommitteeSubscriptionSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/prepareSyncCommitteeSubnets
|
|
router.api(MethodPost,
|
|
"/api/eth/v1/validator/sync_committee_subscriptions") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let subscriptions =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[RestSyncCommitteeSubscription],
|
|
contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSyncCommitteeSubscriptionRequestError)
|
|
let subs = dres.get()
|
|
for item in subs:
|
|
if item.until_epoch > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
if item.until_epoch < node.dag.cfg.ALTAIR_FORK_EPOCH:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EpochFromTheIncorrectForkError)
|
|
if uint64(item.validator_index) >=
|
|
lenu64(getStateField(node.dag.headState.data, validators)):
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidValidatorIndexValueError)
|
|
subs
|
|
|
|
warn "Sync committee subscription request served, but not implemented"
|
|
return RestApiResponse.jsonMsgResponse(SyncCommitteeSubscriptionSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/produceSyncCommitteeContribution
|
|
router.api(MethodGet,
|
|
"/api/eth/v1/validator/sync_committee_contribution") do (
|
|
slot: Option[Slot], subcommittee_index: Option[uint64],
|
|
beacon_block_root: Option[Eth2Digest]) -> RestApiResponse:
|
|
# We doing this check to avoid any confusion in future.
|
|
static: doAssert(SYNC_COMMITTEE_SUBNET_COUNT <= high(uint8))
|
|
let qslot =
|
|
if slot.isNone():
|
|
return RestApiResponse.jsonError(Http400, MissingSlotValueError)
|
|
else:
|
|
let res = slot.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$res.error())
|
|
let rslot = res.get()
|
|
if epoch(rslot) < node.dag.cfg.ALTAIR_FORK_EPOCH:
|
|
return RestApiResponse.jsonError(Http400,
|
|
SlotFromTheIncorrectForkError)
|
|
rslot
|
|
let qindex =
|
|
if subcommittee_index.isNone():
|
|
return RestApiResponse.jsonError(Http400,
|
|
MissingSubCommitteeIndexValueError)
|
|
else:
|
|
let res = subcommittee_index.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSubCommitteeIndexValueError,
|
|
$res.error())
|
|
let value = res.get().validateSyncCommitteeIndexOr:
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSubCommitteeIndexValueError,
|
|
"subcommittee_index exceeds " &
|
|
"maximum allowed value")
|
|
value
|
|
let qroot =
|
|
if beacon_block_root.isNone():
|
|
return RestApiResponse.jsonError(Http400,
|
|
MissingBeaconBlockRootValueError)
|
|
else:
|
|
let res = beacon_block_root.get()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidBeaconBlockRootValueError,
|
|
$res.error())
|
|
res.get()
|
|
|
|
# Check if node is fully synced.
|
|
let sres = node.getCurrentHead(qslot)
|
|
if sres.isErr():
|
|
return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
|
|
|
|
var contribution = SyncCommitteeContribution()
|
|
let res = node.syncCommitteeMsgPool[].produceContribution(
|
|
qslot, qroot, qindex, contribution)
|
|
if not(res):
|
|
return RestApiResponse.jsonError(Http400, ProduceContributionError)
|
|
return RestApiResponse.jsonResponse(contribution)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Validator/publishContributionAndProofs
|
|
router.api(MethodPost,
|
|
"/api/eth/v1/validator/contribution_and_proofs") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let proofs =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[SignedContributionAndProof],
|
|
contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidContributionAndProofMessageError)
|
|
dres.get()
|
|
|
|
let pending =
|
|
block:
|
|
var res: seq[Future[SendResult]]
|
|
for proof in proofs:
|
|
res.add(node.sendSyncCommitteeContribution(proof, true))
|
|
res
|
|
|
|
let failures =
|
|
block:
|
|
var res: seq[RestAttestationsFailure]
|
|
await allFutures(pending)
|
|
for index, future in pending.pairs():
|
|
if future.done():
|
|
let fres = future.read()
|
|
if fres.isErr():
|
|
let failure = RestAttestationsFailure(index: uint64(index),
|
|
message: $fres.error())
|
|
res.add(failure)
|
|
elif future.failed() or future.cancelled():
|
|
# This is unexpected failure, so we log the error message.
|
|
let exc = future.readError()
|
|
let failure = RestAttestationsFailure(index: uint64(index),
|
|
message: $exc.msg)
|
|
res.add(failure)
|
|
res
|
|
|
|
if len(failures) > 0:
|
|
return RestApiResponse.jsonErrorList(Http400,
|
|
ContributionAndProofValidationError,
|
|
failures)
|
|
else:
|
|
return RestApiResponse.jsonMsgResponse(
|
|
ContributionAndProofValidationSuccess
|
|
)
|
|
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/duties/attester/{epoch}",
|
|
"/api/eth/v1/validator/duties/attester/{epoch}"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v1/validator/duties/proposer/{epoch}",
|
|
"/api/eth/v1/validator/duties/proposer/{epoch}"
|
|
)
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/duties/sync/{epoch}",
|
|
"/api/eth/v1/validator/duties/sync/{epoch}"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v1/validator/blocks/{slot}",
|
|
"/api/eth/v1/validator/blocks/{slot}"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v2/validator/blocks/{slot}",
|
|
"/api/eth/v2/validator/blocks/{slot}"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v1/validator/attestation_data",
|
|
"/api/eth/v1/validator/attestation_data"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v1/validator/aggregate_attestation",
|
|
"/api/eth/v1/validator/aggregate_attestation"
|
|
)
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/aggregate_and_proofs",
|
|
"/api/eth/v1/validator/aggregate_and_proofs"
|
|
)
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/beacon_committee_subscriptions",
|
|
"/api/eth/v1/validator/beacon_committee_subscriptions"
|
|
)
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/sync_committee_subscriptions",
|
|
"/api/eth/v1/validator/sync_committee_subscriptions"
|
|
)
|
|
router.redirect(
|
|
MethodGet,
|
|
"/eth/v1/validator/sync_committee_contribution",
|
|
"/api/eth/v1/validator/sync_committee_contribution"
|
|
)
|
|
router.redirect(
|
|
MethodPost,
|
|
"/eth/v1/validator/contribution_and_proofs",
|
|
"/api/eth/v1/validator/contribution_and_proofs"
|
|
)
|