747 lines
31 KiB
Nim
747 lines
31 KiB
Nim
# Copyright (c) 2018-2021 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import std/[typetraits, strutils, sets]
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import stew/[results, base10], chronicles,
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nimcrypto/utils as ncrutils
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import "."/rest_utils,
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".."/[beacon_chain_db, beacon_node],
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".."/networking/eth2_network,
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".."/consensus_object_pools/[blockchain_dag, spec_cache,
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attestation_pool, sync_committee_msg_pool],
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".."/validators/validator_duties,
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".."/spec/[beaconstate, forks, network],
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".."/spec/datatypes/[phase0, altair]
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export rest_utils
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logScope: topics = "rest_validatorapi"
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proc installValidatorApiHandlers*(router: var RestRouter, node: BeaconNode) =
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# https://ethereum.github.io/beacon-APIs/#/Validator/getAttesterDuties
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router.api(MethodPost, "/api/eth/v1/validator/duties/attester/{epoch}") do (
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epoch: Epoch, contentBody: Option[ContentBody]) -> RestApiResponse:
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let indexList =
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block:
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if contentBody.isNone():
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return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
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let dres = decodeBody(seq[RestValidatorIndex], contentBody.get())
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if dres.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidValidatorIndexValueError,
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$dres.error())
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var res: HashSet[ValidatorIndex]
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let items = dres.get()
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for item in items:
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let vres = item.toValidatorIndex()
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if vres.isErr():
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case vres.error()
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of ValidatorIndexError.TooHighValue:
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return RestApiResponse.jsonError(Http400,
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TooHighValidatorIndexValueError)
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of ValidatorIndexError.UnsupportedValue:
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return RestApiResponse.jsonError(Http500,
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UnsupportedValidatorIndexValueError)
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res.incl(vres.get())
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if len(res) == 0:
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return RestApiResponse.jsonError(Http400,
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EmptyValidatorIndexArrayError)
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res
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let qepoch =
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block:
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if epoch.isErr():
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return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
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$epoch.error())
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let res = epoch.get()
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if res > MaxEpoch:
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return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
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res
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let qhead =
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block:
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let res = node.getCurrentHead(qepoch)
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if res.isErr():
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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res.get()
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let droot =
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if qepoch >= Epoch(2):
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qhead.atSlot(compute_start_slot_at_epoch(qepoch - 1) - 1).blck.root
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else:
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node.dag.genesis.root
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let duties =
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block:
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var res: seq[RestAttesterDuty]
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let epochRef = node.dag.getEpochRef(qhead, qepoch)
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let committees_per_slot = get_committee_count_per_slot(epochRef)
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for i in 0 ..< SLOTS_PER_EPOCH:
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let slot = compute_start_slot_at_epoch(qepoch) + i
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for committee_index in 0'u64 ..< committees_per_slot:
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let commitee = get_beacon_committee(
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epochRef, slot, CommitteeIndex(committee_index)
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)
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for index_in_committee, validator_index in commitee:
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if validator_index in indexList:
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let validator_key = epochRef.validatorKey(validator_index)
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if validator_key.isSome():
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res.add(
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RestAttesterDuty(
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pubkey: validator_key.get().toPubKey(),
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validator_index: validator_index,
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committee_index: CommitteeIndex(committee_index),
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committee_length: lenu64(commitee),
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committees_at_slot: committees_per_slot,
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validator_committee_index:
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ValidatorIndex(index_in_committee),
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slot: slot
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)
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)
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res
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return RestApiResponse.jsonResponseWRoot(duties, droot)
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# https://ethereum.github.io/beacon-APIs/#/Validator/getProposerDuties
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router.api(MethodGet, "/api/eth/v1/validator/duties/proposer/{epoch}") do (
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epoch: Epoch) -> RestApiResponse:
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let qepoch =
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block:
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if epoch.isErr():
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return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
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$epoch.error())
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let res = epoch.get()
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if res > MaxEpoch:
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return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
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res
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let qhead =
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block:
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let res = node.getCurrentHead(qepoch)
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if res.isErr():
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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res.get()
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let droot =
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if qepoch >= Epoch(2):
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qhead.atSlot(compute_start_slot_at_epoch(qepoch - 1) - 1).blck.root
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else:
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node.dag.genesis.root
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let duties =
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block:
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var res: seq[RestProposerDuty]
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let epochRef = node.dag.getEpochRef(qhead, qepoch)
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for i, bp in epochRef.beacon_proposers:
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if i == 0 and qepoch == 0:
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# Fix for https://github.com/status-im/nimbus-eth2/issues/2488
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# Slot(0) at Epoch(0) do not have a proposer.
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continue
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if bp.isSome():
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res.add(
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RestProposerDuty(
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pubkey: epochRef.validatorKey(bp.get()).get().toPubKey(),
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validator_index: bp.get(),
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slot: compute_start_slot_at_epoch(qepoch) + i
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)
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)
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res
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return RestApiResponse.jsonResponseWRoot(duties, droot)
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router.api(MethodPost, "/api/eth/v1/validator/duties/sync/{epoch}") do (
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epoch: Epoch, contentBody: Option[ContentBody]) -> RestApiResponse:
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let indexList =
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block:
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if contentBody.isNone():
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return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
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let dres = decodeBody(seq[RestValidatorIndex], contentBody.get())
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if dres.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidValidatorIndexValueError,
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$dres.error())
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var res: seq[ValidatorIndex]
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let items = dres.get()
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for item in items:
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let vres = item.toValidatorIndex()
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if vres.isErr():
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case vres.error()
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of ValidatorIndexError.TooHighValue:
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return RestApiResponse.jsonError(Http400,
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TooHighValidatorIndexValueError)
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of ValidatorIndexError.UnsupportedValue:
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return RestApiResponse.jsonError(Http500,
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UnsupportedValidatorIndexValueError)
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res.add(vres.get())
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if len(res) == 0:
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return RestApiResponse.jsonError(Http400,
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EmptyValidatorIndexArrayError)
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res
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let qepoch =
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block:
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if epoch.isErr():
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return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
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$epoch.error())
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let res = epoch.get()
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if res > MaxEpoch:
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return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
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res
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# We use a local proc in order to:
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# * avoid code duplication
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# * reduce code bloat from `withState`
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proc produceResponse(requestedValidatorIndices: openArray[ValidatorIndex],
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syncCommittee: openArray[ValidatorPubKey],
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stateValidators: seq[Validator]
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): seq[RestSyncCommitteeDuty] {.nimcall.} =
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result = newSeqOfCap[RestSyncCommitteeDuty](len(requestedValidatorIndices))
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for requestedValidatorIdx in requestedValidatorIndices:
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if requestedValidatorIdx.uint64 >= stateValidators.lenu64:
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# If the requested validator index was not valid within this old
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# state, it's not possible that it will sit on the sync committee.
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# Since this API must omit results for validators that don't have
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# duties, we can simply ingnore this requested index.
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# (we won't bother to validate it agains a more recent state).
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continue
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let requestedValidatorPubkey =
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stateValidators[requestedValidatorIdx].pubkey
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var indicesInSyncCommittee = newSeq[IndexInSyncCommittee]()
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for idx, syncCommitteeMemberPubkey in syncCommittee:
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if syncCommitteeMemberPubkey == requestedValidatorPubkey:
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indicesInSyncCommittee.add(IndexInSyncCommittee idx)
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if indicesInSyncCommittee.len > 0:
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result.add RestSyncCommitteeDuty(
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pubkey: requestedValidatorPubkey,
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validator_index: requestedValidatorIdx,
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validator_sync_committee_indices: indicesInSyncCommittee)
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template emptyResponse: auto =
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newSeq[RestSyncCommitteeDuty]()
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# We check the head state first in order to avoid costly replays
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# if possible:
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let
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qSyncPeriod = sync_committee_period(qepoch)
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headEpoch = node.dag.head.slot.epoch
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headSyncPeriod = sync_committee_period(headEpoch)
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if qSyncPeriod == headSyncPeriod:
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let res = withState(node.dag.headState.data):
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when stateFork >= BeaconStateFork.Altair:
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produceResponse(indexList,
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state.data.current_sync_committee.pubkeys.data,
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state.data.validators.asSeq)
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else:
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emptyResponse()
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return RestApiResponse.jsonResponse(res)
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elif qSyncPeriod == (headSyncPeriod + 1):
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let res = withState(node.dag.headState.data):
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when stateFork >= BeaconStateFork.Altair:
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produceResponse(indexList,
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state.data.next_sync_committee.pubkeys.data,
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state.data.validators.asSeq)
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else:
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emptyResponse()
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return RestApiResponse.jsonResponse(res)
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elif qSyncPeriod > headSyncPeriod:
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# The requested epoch may still be too far in the future.
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if not(node.isSynced(node.dag.head)):
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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else:
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return RestApiResponse.jsonError(Http400, EpochFromFutureError)
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else:
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# The slot at the start of the sync committee period is likely to have a
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# state snapshot in the database, so we can restore the state relatively
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# cheaply:
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let earliestSlotInQSyncPeriod =
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Slot(qSyncPeriod * SLOTS_PER_SYNC_COMMITTEE_PERIOD)
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# TODO
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# The DAG can offer a short-cut for getting just the information we need
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# in order to compute the sync committee for the epoch. See the following
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# discussion for more details:
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# https://github.com/status-im/nimbus-eth2/pull/3133#pullrequestreview-817184693
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node.withStateForBlockSlot(node.dag.getBlockBySlot(earliestSlotInQSyncPeriod)):
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let res = withState(stateData().data):
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when stateFork >= BeaconStateFork.Altair:
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produceResponse(indexList,
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state.data.current_sync_committee.pubkeys.data,
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state.data.validators.asSeq)
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else:
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emptyResponse()
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return RestApiResponse.jsonResponse(res)
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return RestApiResponse.jsonError(Http404, StateNotFoundError)
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# https://ethereum.github.io/beacon-APIs/#/Validator/produceBlock
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router.api(MethodGet, "/api/eth/v1/validator/blocks/{slot}") do (
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slot: Slot, randao_reveal: Option[ValidatorSig],
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graffiti: Option[GraffitiBytes]) -> RestApiResponse:
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let message =
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block:
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let qslot =
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block:
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if slot.isErr():
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return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
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$slot.error())
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slot.get()
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let qrandao =
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if randao_reveal.isNone():
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return RestApiResponse.jsonError(Http400, MissingRandaoRevealValue)
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else:
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let res = randao_reveal.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidRandaoRevealValue,
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$res.error())
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res.get()
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let qgraffiti =
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if graffiti.isNone():
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defaultGraffitiBytes()
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else:
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let res = graffiti.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidGraffitiBytesValye,
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$res.error())
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res.get()
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let qhead =
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block:
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let res = node.getCurrentHead(qslot)
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if res.isErr():
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if not(node.isSynced(node.dag.head)):
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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else:
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return RestApiResponse.jsonError(Http400, NoHeadForSlotError,
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$res.error())
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res.get()
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let proposer = node.dag.getProposer(qhead, qslot)
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if proposer.isNone():
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return RestApiResponse.jsonError(Http400, ProposerNotFoundError)
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let res = await makeBeaconBlockForHeadAndSlot(
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node, qrandao, proposer.get(), qgraffiti, qhead, qslot)
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if res.isErr():
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return RestApiResponse.jsonError(Http400, res.error())
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res.get()
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return
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case message.kind
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of BeaconBlockFork.Phase0:
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RestApiResponse.jsonResponse(message.phase0Data)
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else:
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RestApiResponse.jsonError(Http400,
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"Unable to produce block for altair fork")
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# https://ethereum.github.io/beacon-APIs/#/Validator/produceBlockV2
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router.api(MethodGet, "/api/eth/v2/validator/blocks/{slot}") do (
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slot: Slot, randao_reveal: Option[ValidatorSig],
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graffiti: Option[GraffitiBytes]) -> RestApiResponse:
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let message =
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block:
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let qslot =
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block:
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if slot.isErr():
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return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
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$slot.error())
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slot.get()
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let qrandao =
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if randao_reveal.isNone():
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return RestApiResponse.jsonError(Http400, MissingRandaoRevealValue)
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else:
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let res = randao_reveal.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidRandaoRevealValue,
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$res.error())
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res.get()
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let qgraffiti =
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if graffiti.isNone():
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defaultGraffitiBytes()
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else:
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let res = graffiti.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidGraffitiBytesValye,
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$res.error())
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res.get()
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let qhead =
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block:
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let res = node.getCurrentHead(qslot)
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if res.isErr():
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if not(node.isSynced(node.dag.head)):
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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else:
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return RestApiResponse.jsonError(Http400, NoHeadForSlotError,
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$res.error())
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res.get()
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let proposer = node.dag.getProposer(qhead, qslot)
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if proposer.isNone():
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return RestApiResponse.jsonError(Http400, ProposerNotFoundError)
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let res = await makeBeaconBlockForHeadAndSlot(
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node, qrandao, proposer.get(), qgraffiti, qhead, qslot)
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if res.isErr():
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return RestApiResponse.jsonError(Http400, res.error())
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res.get()
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return RestApiResponse.jsonResponsePlain(message)
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# https://ethereum.github.io/beacon-APIs/#/Validator/produceAttestationData
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router.api(MethodGet, "/api/eth/v1/validator/attestation_data") do (
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slot: Option[Slot],
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committee_index: Option[CommitteeIndex]) -> RestApiResponse:
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let adata =
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block:
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let qslot =
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block:
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if slot.isNone():
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return RestApiResponse.jsonError(Http400, MissingSlotValueError)
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let res = slot.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
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$res.error())
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res.get()
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let qindex =
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block:
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if committee_index.isNone():
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return RestApiResponse.jsonError(Http400,
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MissingCommitteeIndexValueError)
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let res = committee_index.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidCommitteeIndexValueError,
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$res.error())
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res.get()
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let qhead =
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block:
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let res = node.getCurrentHead(qslot)
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if res.isErr():
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return RestApiResponse.jsonError(Http503, BeaconNodeInSyncError)
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res.get()
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let epochRef = node.dag.getEpochRef(qhead, qslot.epoch)
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makeAttestationData(epochRef, qhead.atSlot(qslot), qindex)
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return RestApiResponse.jsonResponse(adata)
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|
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# https://ethereum.github.io/beacon-APIs/#/Validator/getAggregatedAttestation
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router.api(MethodGet, "/api/eth/v1/validator/aggregate_attestation") do (
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attestation_data_root: Option[Eth2Digest],
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slot: Option[Slot]) -> RestApiResponse:
|
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let attestation =
|
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block:
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let qslot =
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block:
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if slot.isNone():
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return RestApiResponse.jsonError(Http400, MissingSlotValueError)
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let res = slot.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
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$res.error())
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res.get()
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let qroot =
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block:
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if attestation_data_root.isNone():
|
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return RestApiResponse.jsonError(Http400,
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MissingAttestationDataRootValueError)
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let res = attestation_data_root.get()
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if res.isErr():
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return RestApiResponse.jsonError(Http400,
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InvalidAttestationDataRootValueError, $res.error())
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res.get()
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let res = node.attestationPool[].getAggregatedAttestation(qslot, qroot)
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if res.isNone():
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return RestApiResponse.jsonError(Http400,
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UnableToGetAggregatedAttestationError)
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res.get()
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return RestApiResponse.jsonResponse(attestation)
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|
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# https://ethereum.github.io/beacon-APIs/#/Validator/publishAggregateAndProofs
|
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router.api(MethodPost, "/api/eth/v1/validator/aggregate_and_proofs") do (
|
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contentBody: Option[ContentBody]) -> RestApiResponse:
|
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let proofs =
|
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block:
|
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if contentBody.isNone():
|
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return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
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let dres = decodeBody(seq[SignedAggregateAndProof], contentBody.get())
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if dres.isErr():
|
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return RestApiResponse.jsonError(Http400,
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InvalidAggregateAndProofObjectError,
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$dres.error())
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dres.get()
|
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# Since our validation logic supports batch processing, we will submit all
|
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# aggregated attestations for validation.
|
|
var pending =
|
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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)
|
|
|
|
let
|
|
wallSlot = node.beaconClock.now.slotOrZero
|
|
wallEpoch = wallSlot.epoch
|
|
head = node.dag.head
|
|
|
|
var currentEpoch, nextEpoch: Option[EpochRef]
|
|
template getAndCacheEpochRef(epochRefVar: var Option[EpochRef],
|
|
epoch: Epoch): EpochRef =
|
|
if epochRefVar.isNone:
|
|
epochRefVar = some node.dag.getEpochRef(head, epoch)
|
|
epochRefVar.get
|
|
|
|
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)
|
|
if wallSlot > request.slot + 1:
|
|
return RestApiResponse.jsonError(Http400, SlotFromThePastError)
|
|
|
|
let epoch = request.slot.epoch
|
|
let epochRef = if epoch == wallEpoch:
|
|
currentEpoch.getAndCacheEpochRef(wallEpoch)
|
|
elif epoch == wallEpoch + 1:
|
|
nextEpoch.getAndCacheEpochRef(wallEpoch + 1)
|
|
else:
|
|
return RestApiResponse.jsonError(Http400,
|
|
SlotNotInNextWallSlotEpochError)
|
|
|
|
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"
|
|
)
|