1490 lines
61 KiB
Nim
1490 lines
61 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2024 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: [].}
|
|
|
|
import
|
|
std/[typetraits, sequtils, sets],
|
|
stew/[results, base10],
|
|
chronicles,
|
|
./rest_utils,
|
|
./state_ttl_cache,
|
|
../beacon_node,
|
|
../consensus_object_pools/[blockchain_dag, spec_cache, validator_change_pool],
|
|
../spec/[deposit_snapshots, eth2_merkleization, forks, network, validator],
|
|
../spec/mev/bellatrix_mev,
|
|
../validators/message_router_mev
|
|
|
|
export rest_utils
|
|
|
|
logScope: topics = "rest_beaconapi"
|
|
|
|
proc validateBeaconApiQueries*(key: string, value: string): int =
|
|
## This is rough validation procedure which should be simple and fast,
|
|
## because it will be used for query routing.
|
|
case key
|
|
of "{epoch}":
|
|
0
|
|
of "{slot}":
|
|
0
|
|
of "{peer_id}":
|
|
0
|
|
of "{state_id}":
|
|
0
|
|
of "{block_id}":
|
|
0
|
|
of "{validator_id}":
|
|
0
|
|
of "{block_root}":
|
|
0
|
|
of "{pubkey}":
|
|
int(value.len != 98)
|
|
else:
|
|
1
|
|
|
|
const
|
|
AllValidatorFilterKinds = {
|
|
ValidatorFilterKind.PendingInitialized,
|
|
ValidatorFilterKind.PendingQueued,
|
|
ValidatorFilterKind.ActiveOngoing,
|
|
ValidatorFilterKind.ActiveExiting,
|
|
ValidatorFilterKind.ActiveSlashed,
|
|
ValidatorFilterKind.ExitedUnslashed,
|
|
ValidatorFilterKind.ExitedSlashed,
|
|
ValidatorFilterKind.WithdrawalPossible,
|
|
ValidatorFilterKind.WithdrawalDone
|
|
}
|
|
|
|
proc validateFilter(filters: seq[ValidatorFilter]): Result[ValidatorFilter,
|
|
cstring] =
|
|
var res: ValidatorFilter
|
|
for item in filters:
|
|
if res * item != {}:
|
|
return err("Validator status must be unique")
|
|
res.incl(item)
|
|
if res == {}:
|
|
return ok(AllValidatorFilterKinds)
|
|
ok(res)
|
|
|
|
proc getStatus(validator: Validator,
|
|
current_epoch: Epoch): Result[ValidatorFilterKind, cstring] =
|
|
if validator.activation_epoch > current_epoch:
|
|
# pending
|
|
if validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH:
|
|
ok(ValidatorFilterKind.PendingInitialized)
|
|
else:
|
|
# validator.activation_eligibility_epoch < FAR_FUTURE_EPOCH:
|
|
ok(ValidatorFilterKind.PendingQueued)
|
|
elif (validator.activation_epoch <= current_epoch) and
|
|
(current_epoch < validator.exit_epoch):
|
|
# active
|
|
if validator.exit_epoch == FAR_FUTURE_EPOCH:
|
|
ok(ValidatorFilterKind.ActiveOngoing)
|
|
elif not validator.slashed:
|
|
# validator.exit_epoch < FAR_FUTURE_EPOCH
|
|
ok(ValidatorFilterKind.ActiveExiting)
|
|
else:
|
|
# validator.exit_epoch < FAR_FUTURE_EPOCH and validator.slashed:
|
|
ok(ValidatorFilterKind.ActiveSlashed)
|
|
elif (validator.exit_epoch <= current_epoch) and
|
|
(current_epoch < validator.withdrawable_epoch):
|
|
# exited
|
|
if not validator.slashed:
|
|
ok(ValidatorFilterKind.ExitedUnslashed)
|
|
else:
|
|
# validator.slashed
|
|
ok(ValidatorFilterKind.ExitedSlashed)
|
|
elif validator.withdrawable_epoch <= current_epoch:
|
|
# withdrawal
|
|
if validator.effective_balance != 0:
|
|
ok(ValidatorFilterKind.WithdrawalPossible)
|
|
else:
|
|
# validator.effective_balance == 0
|
|
ok(ValidatorFilterKind.WithdrawalDone)
|
|
else:
|
|
err("Invalid validator status")
|
|
|
|
proc toString*(kind: ValidatorFilterKind): string =
|
|
case kind
|
|
of ValidatorFilterKind.PendingInitialized:
|
|
"pending_initialized"
|
|
of ValidatorFilterKind.PendingQueued:
|
|
"pending_queued"
|
|
of ValidatorFilterKind.ActiveOngoing:
|
|
"active_ongoing"
|
|
of ValidatorFilterKind.ActiveExiting:
|
|
"active_exiting"
|
|
of ValidatorFilterKind.ActiveSlashed:
|
|
"active_slashed"
|
|
of ValidatorFilterKind.ExitedUnslashed:
|
|
"exited_unslashed"
|
|
of ValidatorFilterKind.ExitedSlashed:
|
|
"exited_slashed"
|
|
of ValidatorFilterKind.WithdrawalPossible:
|
|
"withdrawal_possible"
|
|
of ValidatorFilterKind.WithdrawalDone:
|
|
"withdrawal_done"
|
|
|
|
proc installBeaconApiHandlers*(router: var RestRouter, node: BeaconNode) =
|
|
# https://github.com/ethereum/EIPs/blob/master/EIPS/eip-4881.md
|
|
router.api2(MethodGet, "/eth/v1/beacon/deposit_snapshot") do (
|
|
) -> RestApiResponse:
|
|
let snapshot = node.db.getDepositTreeSnapshot().valueOr:
|
|
# This can happen in a very short window after the client is started,
|
|
# but the snapshot record still haven't been upgraded in the database.
|
|
# Returning 404 should be easy to handle for the clients - they just need
|
|
# to retry.
|
|
return RestApiResponse.jsonError(Http404,
|
|
NoFinalizedSnapshotAvailableError)
|
|
|
|
RestApiResponse.jsonResponse(
|
|
RestDepositSnapshot(
|
|
finalized: snapshot.depositContractState.branch,
|
|
deposit_root: snapshot.getDepositRoot(),
|
|
deposit_count: snapshot.getDepositCountU64(),
|
|
execution_block_hash: snapshot.eth1Block,
|
|
execution_block_height: snapshot.blockHeight))
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getGenesis
|
|
router.api2(MethodGet, "/eth/v1/beacon/genesis") do () -> RestApiResponse:
|
|
RestApiResponse.jsonResponse(
|
|
(
|
|
genesis_time: getStateField(node.dag.headState, genesis_time),
|
|
genesis_validators_root:
|
|
getStateField(node.dag.headState, genesis_validators_root),
|
|
genesis_fork_version: node.dag.cfg.GENESIS_FORK_VERSION
|
|
)
|
|
)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateRoot
|
|
router.api2(MethodGet, "/eth/v1/beacon/states/{state_id}/root") do (
|
|
state_id: StateIdent) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
(root: stateRoot),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateFork
|
|
router.api2(MethodGet, "/eth/v1/beacon/states/{state_id}/fork") do (
|
|
state_id: StateIdent) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
(
|
|
previous_version:
|
|
getStateField(state, fork).previous_version,
|
|
current_version:
|
|
getStateField(state, fork).current_version,
|
|
epoch:
|
|
getStateField(state, fork).epoch
|
|
),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateFinalityCheckpoints
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/finality_checkpoints") do (
|
|
state_id: StateIdent) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
(
|
|
previous_justified:
|
|
getStateField(state, previous_justified_checkpoint),
|
|
current_justified:
|
|
getStateField(state, current_justified_checkpoint),
|
|
finalized:
|
|
getStateField(state, finalized_checkpoint)
|
|
),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
proc getIndices(
|
|
node: BeaconNode,
|
|
validatorIds: openArray[ValidatorIdent],
|
|
state: ForkedHashedBeaconState
|
|
): Result[seq[ValidatorIndex], RestErrorMessage] =
|
|
var
|
|
keyset: HashSet[ValidatorPubKey]
|
|
indexset: HashSet[ValidatorIndex]
|
|
|
|
let validatorsCount = lenu64(getStateField(state, validators))
|
|
|
|
for item in validatorIds:
|
|
case item.kind
|
|
of ValidatorQueryKind.Key:
|
|
# Test for uniqueness of value.
|
|
if keyset.containsOrIncl(item.key):
|
|
return err(RestErrorMessage.init(
|
|
Http400, NonUniqueValidatorIdError, $item.key))
|
|
of ValidatorQueryKind.Index:
|
|
let vindex = item.index.toValidatorIndex().valueOr:
|
|
case error
|
|
of ValidatorIndexError.TooHighValue:
|
|
return err(RestErrorMessage.init(
|
|
Http400, TooHighValidatorIndexValueError))
|
|
of ValidatorIndexError.UnsupportedValue:
|
|
return err(RestErrorMessage.init(
|
|
Http500, UnsupportedValidatorIndexValueError))
|
|
if uint64(vindex) < validatorsCount:
|
|
# We're only adding validator indices which are present in
|
|
# validators list at this moment.
|
|
if indexset.containsOrIncl(vindex):
|
|
return err(RestErrorMessage.init(
|
|
Http400, NonUniqueValidatorIdError,
|
|
Base10.toString(uint64(vindex))))
|
|
|
|
if len(keyset) > 0:
|
|
let optIndices = keysToIndices(node.restKeysCache, state, keyset.toSeq())
|
|
# Remove all the duplicates.
|
|
for item in optIndices:
|
|
# We ignore missing keys.
|
|
if item.isSome():
|
|
indexset.incl(item.get())
|
|
ok(indexset.toSeq())
|
|
|
|
proc getValidators(
|
|
node: BeaconNode,
|
|
bslot: BlockSlotId,
|
|
validatorsMask: ValidatorFilter,
|
|
validatorIds: openArray[ValidatorIdent]
|
|
): RestApiResponse =
|
|
node.withStateForBlockSlotId(bslot):
|
|
let
|
|
stateEpoch = getStateField(state, slot).epoch()
|
|
indices = node.getIndices(validatorIds, state).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
response =
|
|
block:
|
|
var res: seq[RestValidator]
|
|
if len(indices) == 0:
|
|
# Case when `len(indices) == 0 and len(validatorIds) != 0` means
|
|
# that we can't find validator identifiers in state, so we should
|
|
# return empty response.
|
|
if len(validatorIds) == 0:
|
|
# There are no indices, so we're going to filter all the
|
|
# validators.
|
|
for index, validator in getStateField(state, validators):
|
|
let
|
|
balance = getStateField(state, balances).item(index)
|
|
status = validator.getStatus(stateEpoch).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, ValidatorStatusNotFoundError, $error)
|
|
if status in validatorsMask:
|
|
res.add(RestValidator.init(ValidatorIndex(index), balance,
|
|
toString(status), validator))
|
|
else:
|
|
for index in indices:
|
|
let
|
|
validator = getStateField(state, validators).item(index)
|
|
balance = getStateField(state, balances).item(index)
|
|
status = validator.getStatus(stateEpoch).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, ValidatorStatusNotFoundError, $error)
|
|
if status in validatorsMask:
|
|
res.add(RestValidator.init(index, balance, toString(status),
|
|
validator))
|
|
res
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
response,
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
proc getBalances(
|
|
node: BeaconNode,
|
|
bslot: BlockSlotId,
|
|
validatorIds: openArray[ValidatorIdent]
|
|
): RestApiResponse =
|
|
node.withStateForBlockSlotId(bslot):
|
|
let
|
|
indices = node.getIndices(validatorIds, state).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
response =
|
|
block:
|
|
var res: seq[RestValidatorBalance]
|
|
if len(indices) == 0:
|
|
# Case when `len(indices) == 0 and len(validatorIds) != 0` means
|
|
# that we can't find validator identifiers in state, so we should
|
|
# return empty response.
|
|
if len(validatorIds) == 0:
|
|
# There are no indices, so we're going to return balances of all
|
|
# known validators.
|
|
for index, balance in getStateField(state, balances):
|
|
res.add(RestValidatorBalance.init(ValidatorIndex(index),
|
|
balance))
|
|
else:
|
|
for index in indices:
|
|
let balance = getStateField(state, balances).item(index)
|
|
res.add(RestValidatorBalance.init(index, balance))
|
|
res
|
|
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
response,
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateValidators
|
|
router.api2(MethodGet, "/eth/v1/beacon/states/{state_id}/validators") do (
|
|
state_id: StateIdent, id: seq[ValidatorIdent],
|
|
status: seq[ValidatorFilter]) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(
|
|
Http404, StateNotFoundError, $error)
|
|
validatorIds =
|
|
block:
|
|
if id.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidValidatorIdValueError)
|
|
let ires = id.get()
|
|
if len(ires) > ServerMaximumValidatorIds:
|
|
return RestApiResponse.jsonError(
|
|
Http414, MaximumNumberOfValidatorIdsError)
|
|
ires
|
|
validatorsMask =
|
|
block:
|
|
if status.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidValidatorStatusValueError)
|
|
validateFilter(status.get()).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidValidatorStatusValueError, $error)
|
|
getValidators(node, bslot, validatorsMask, validatorIds)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/postStateValidators
|
|
router.api2(MethodPost, "/eth/v1/beacon/states/{state_id}/validators") do (
|
|
state_id: StateIdent, contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let
|
|
(validatorIds, validatorsMask) =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let request =
|
|
decodeBody(RestValidatorRequest, contentBody.get()).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidRequestBodyError, $error)
|
|
let
|
|
ids = request.ids.valueOr: @[]
|
|
filter = request.status.valueOr: AllValidatorFilterKinds
|
|
(ids, filter)
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError, $error)
|
|
getValidators(node, bslot, validatorsMask, validatorIds)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateValidator
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/validators/{validator_id}") do (
|
|
state_id: StateIdent, validator_id: ValidatorIdent) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
vid = validator_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidValidatorIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
let
|
|
current_epoch = getStateField(state, slot).epoch()
|
|
validatorsCount = lenu64(getStateField(state, validators))
|
|
|
|
let vindex =
|
|
block:
|
|
case vid.kind
|
|
of ValidatorQueryKind.Key:
|
|
let optIndices = keysToIndices(node.restKeysCache, state, [vid.key])
|
|
if optIndices[0].isNone():
|
|
return RestApiResponse.jsonError(Http404, ValidatorNotFoundError)
|
|
optIndices[0].get()
|
|
of ValidatorQueryKind.Index:
|
|
let vres = vid.index.toValidatorIndex()
|
|
if vres.isErr():
|
|
case vres.error
|
|
of ValidatorIndexError.TooHighValue:
|
|
return RestApiResponse.jsonError(Http400,
|
|
TooHighValidatorIndexValueError)
|
|
of ValidatorIndexError.UnsupportedValue:
|
|
return RestApiResponse.jsonError(Http500,
|
|
UnsupportedValidatorIndexValueError)
|
|
let index = vres.get()
|
|
if uint64(index) >= validatorsCount:
|
|
return RestApiResponse.jsonError(Http404, ValidatorNotFoundError)
|
|
index
|
|
|
|
let
|
|
validator = getStateField(state, validators).item(vindex)
|
|
balance = getStateField(state, balances).item(vindex)
|
|
status =
|
|
block:
|
|
let sres = validator.getStatus(current_epoch)
|
|
if sres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
ValidatorStatusNotFoundError,
|
|
$sres.get())
|
|
toString(sres.get())
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
RestValidator.init(vindex, balance, status, validator),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getStateValidatorBalances
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/validator_balances") do (
|
|
state_id: StateIdent, id: seq[ValidatorIdent]) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError, $error)
|
|
validatorIds =
|
|
block:
|
|
if id.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidValidatorIdValueError)
|
|
let ires = id.get()
|
|
if len(ires) > ServerMaximumValidatorIds:
|
|
return RestApiResponse.jsonError(
|
|
Http400, MaximumNumberOfValidatorIdsError)
|
|
ires
|
|
getBalances(node, bslot, validatorIds)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/postStateValidatorBalances
|
|
router.api2(MethodPost,
|
|
"/eth/v1/beacon/states/{state_id}/validator_balances") do (
|
|
state_id: StateIdent, contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let
|
|
validatorIds =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let body = contentBody.get()
|
|
decodeBody(seq[ValidatorIdent], body).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidValidatorIdValueError, $error)
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError, $error)
|
|
getBalances(node, bslot, validatorIds)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getEpochCommittees
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/committees") do (
|
|
state_id: StateIdent, epoch: Option[Epoch], index: Option[CommitteeIndex],
|
|
slot: Option[Slot]) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
let vepoch =
|
|
if epoch.isSome():
|
|
let repoch = epoch.get()
|
|
if repoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$repoch.error)
|
|
let res = repoch.get()
|
|
|
|
if res > bslot.slot.epoch + MIN_SEED_LOOKAHEAD:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidEpochValueError,
|
|
"Requested epoch more than 1 epoch past state epoch")
|
|
|
|
if res + EPOCHS_PER_HISTORICAL_VECTOR <
|
|
bslot.slot.epoch + MIN_SEED_LOOKAHEAD:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidEpochValueError,
|
|
"Requested epoch earlier than what committees can be computed for")
|
|
|
|
some(res)
|
|
else:
|
|
none[Epoch]()
|
|
let vindex =
|
|
if index.isSome():
|
|
let rindex = index.get()
|
|
if rindex.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidCommitteeIndexValueError,
|
|
$rindex.error)
|
|
some(rindex.get())
|
|
else:
|
|
none[CommitteeIndex]()
|
|
let vslot =
|
|
if slot.isSome():
|
|
let rslot = slot.get()
|
|
if rslot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$rslot.error)
|
|
let res = rslot.get()
|
|
if vepoch.isSome():
|
|
if res.epoch != vepoch.get():
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidSlotValueError,
|
|
"Slot does not match requested epoch")
|
|
else:
|
|
if res.epoch > bslot.slot.epoch + 1:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidEpochValueError,
|
|
"Requested slot more than 1 epoch past state epoch")
|
|
|
|
if res.epoch + EPOCHS_PER_HISTORICAL_VECTOR <
|
|
bslot.slot.epoch + MIN_SEED_LOOKAHEAD:
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidEpochValueError,
|
|
"Requested slot earlier than what committees can be computed for")
|
|
|
|
some(res)
|
|
else:
|
|
none[Slot]()
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
proc getCommittee(slot: Slot,
|
|
index: CommitteeIndex): RestBeaconStatesCommittees =
|
|
let validators = get_beacon_committee(state, slot, index, cache)
|
|
RestBeaconStatesCommittees(index: index, slot: slot,
|
|
validators: validators)
|
|
|
|
proc forSlot(slot: Slot, cindex: Option[CommitteeIndex],
|
|
res: var seq[RestBeaconStatesCommittees]) =
|
|
let committees_per_slot = get_committee_count_per_slot(
|
|
state, slot.epoch, cache)
|
|
|
|
if cindex.isNone:
|
|
for committee_index in get_committee_indices(committees_per_slot):
|
|
res.add(getCommittee(slot, committee_index))
|
|
else:
|
|
let
|
|
idx = cindex.get()
|
|
if idx < committees_per_slot:
|
|
res.add(getCommittee(slot, idx))
|
|
|
|
var res: seq[RestBeaconStatesCommittees]
|
|
let qepoch =
|
|
if vepoch.isNone:
|
|
epoch(getStateField(state, slot))
|
|
else:
|
|
vepoch.get()
|
|
|
|
if vslot.isNone():
|
|
for slot in qepoch.slots():
|
|
forSlot(slot, vindex, res)
|
|
else:
|
|
forSlot(vslot.get(), vindex, res)
|
|
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
res,
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getEpochSyncCommittees
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/sync_committees") do (
|
|
state_id: StateIdent, epoch: Option[Epoch]) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
let qepoch =
|
|
if epoch.isSome():
|
|
let repoch = epoch.get()
|
|
if repoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$repoch.error)
|
|
let res = repoch.get()
|
|
if res > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
if res < node.dag.cfg.ALTAIR_FORK_EPOCH:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EpochFromTheIncorrectForkError)
|
|
res
|
|
else:
|
|
# If ``epoch`` not present then the sync committees for the epoch of
|
|
# the state will be obtained.
|
|
bslot.slot.epoch()
|
|
|
|
node.withStateForBlockSlotId(bslot):
|
|
let keys =
|
|
block:
|
|
let res = syncCommitteeParticipants(state, 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
|
|
|
|
let indices =
|
|
block:
|
|
var res: seq[ValidatorIndex]
|
|
let optIndices = keysToIndices(node.restKeysCache, state, keys)
|
|
# Remove all the duplicates.
|
|
for item in optIndices:
|
|
if item.isNone():
|
|
# This should not be happened, because keys are from state.
|
|
return RestApiResponse.jsonError(Http500, InternalServerError,
|
|
"Could not get validator indices")
|
|
res.add(item.get())
|
|
res
|
|
|
|
let aggregates =
|
|
block:
|
|
var
|
|
res: seq[seq[ValidatorIndex]]
|
|
offset = 0
|
|
while true:
|
|
let length = min(SYNC_SUBCOMMITTEE_SIZE, len(indices) - offset)
|
|
if length == 0:
|
|
break
|
|
res.add(@(indices.toOpenArray(offset, offset + length - 1)))
|
|
offset.inc(length)
|
|
res
|
|
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
RestEpochSyncCommittee(validators: indices,
|
|
validator_aggregates: aggregates),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Beacon/getStateRandao
|
|
# https://github.com/ethereum/beacon-APIs/blob/b3c4defa238aaa74bf22aa602aa1b24b68a4c78e/apis/beacon/states/randao.yaml
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/states/{state_id}/randao") do (
|
|
state_id: StateIdent, epoch: Option[Epoch]) -> RestApiResponse:
|
|
let
|
|
sid = state_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidStateIdValueError,
|
|
$error)
|
|
bslot = node.getBlockSlotId(sid).valueOr:
|
|
if sid.kind == StateQueryKind.Root:
|
|
# TODO (cheatfate): Its impossible to retrieve state by `state_root`
|
|
# in current version of database.
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
return RestApiResponse.jsonError(Http404, StateNotFoundError,
|
|
$error)
|
|
|
|
let qepoch =
|
|
if epoch.isSome():
|
|
let repoch = epoch.get()
|
|
if repoch.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidEpochValueError,
|
|
$repoch.error)
|
|
let res = repoch.get()
|
|
if res > MaxEpoch:
|
|
return RestApiResponse.jsonError(Http400, EpochOverflowValueError)
|
|
if res < node.dag.cfg.ALTAIR_FORK_EPOCH:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EpochFromTheIncorrectForkError)
|
|
if res > bslot.slot.epoch() + 1:
|
|
return RestApiResponse.jsonError(Http400,
|
|
EpochFromFutureError)
|
|
res
|
|
else:
|
|
# If ``epoch`` not present then the RANDAO mix for the epoch of
|
|
# the state will be obtained.
|
|
bslot.slot.epoch()
|
|
|
|
# Try to obtain RANDAO in an accelerated way
|
|
let bsi = node.dag.atSlot(bslot.bid, (qepoch + 1).start_slot - 1)
|
|
if bsi.isSome:
|
|
let mix = node.dag.computeRandaoMix(bsi.get.bid)
|
|
if mix.isSome:
|
|
return RestApiResponse.jsonResponseWOpt(
|
|
RestEpochRandao(randao: mix.get),
|
|
node.getBidOptimistic(bsi.get.bid)
|
|
)
|
|
|
|
# Fall back to full state computation
|
|
node.withStateForBlockSlotId(bslot):
|
|
withState(state):
|
|
return RestApiResponse.jsonResponseFinalized(
|
|
RestEpochRandao(randao: get_randao_mix(forkyState.data, qepoch)),
|
|
node.getStateOptimistic(state),
|
|
node.dag.isFinalized(bslot.bid)
|
|
)
|
|
|
|
RestApiResponse.jsonError(Http404, StateNotFoundError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlockHeaders
|
|
router.api2(MethodGet, "/eth/v1/beacon/headers") do (
|
|
slot: Option[Slot], parent_root: Option[Eth2Digest]) -> RestApiResponse:
|
|
# TODO (cheatfate): This call is incomplete, because structure
|
|
# of database do not allow to query blocks by `parent_root`.
|
|
let qslot =
|
|
if slot.isSome():
|
|
let rslot = slot.get()
|
|
if rslot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$rslot.error)
|
|
rslot.get()
|
|
else:
|
|
node.dag.head.slot
|
|
|
|
if parent_root.isSome():
|
|
let rroot = parent_root.get()
|
|
if rroot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidParentRootValueError,
|
|
$rroot.error)
|
|
return RestApiResponse.jsonError(Http500, NoImplementationError)
|
|
|
|
let bdata = node.getForkedBlock(BlockIdent.init(qslot)).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
withBlck(bdata):
|
|
let bid = BlockId(root: forkyBlck.root, slot: forkyBlck.message.slot)
|
|
RestApiResponse.jsonResponseFinalized(
|
|
[
|
|
(
|
|
root: forkyBlck.root,
|
|
canonical: node.dag.isCanonical(bid),
|
|
header: (
|
|
message: forkyBlck.toBeaconBlockHeader,
|
|
signature: forkyBlck.signature
|
|
)
|
|
)
|
|
],
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlockHeader
|
|
router.api2(MethodGet, "/eth/v1/beacon/headers/{block_id}") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
let
|
|
bid = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
|
|
bdata = node.getForkedBlock(bid).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
withBlck(bdata):
|
|
let bid = BlockId(root: forkyBlck.root, slot: forkyBlck.message.slot)
|
|
RestApiResponse.jsonResponseFinalized(
|
|
(
|
|
root: forkyBlck.root,
|
|
canonical: node.dag.isCanonical(bid),
|
|
header: (
|
|
message: forkyBlck.toBeaconBlockHeader,
|
|
signature: forkyBlck.signature
|
|
)
|
|
),
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/publishBlock
|
|
router.api(MethodPost, "/eth/v1/beacon/blocks") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let res =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let
|
|
body = contentBody.get()
|
|
version = request.headers.getString("eth-consensus-version")
|
|
var
|
|
restBlock = decodeBody(RestPublishedSignedBlockContents, body,
|
|
version).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
forked = ForkedSignedBeaconBlock.init(restBlock)
|
|
|
|
if restBlock.kind != node.dag.cfg.consensusForkAtEpoch(
|
|
getForkedBlockField(forked, slot).epoch):
|
|
doAssert strictVerification notin node.dag.updateFlags
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockObjectError)
|
|
|
|
case restBlock.kind
|
|
of ConsensusFork.Phase0:
|
|
var blck = restBlock.phase0Data
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Altair:
|
|
var blck = restBlock.altairData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Bellatrix:
|
|
var blck = restBlock.bellatrixData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Capella:
|
|
var blck = restBlock.capellaData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Deneb:
|
|
var blck = restBlock.denebData.signed_block
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.some(blck.create_blob_sidecars(
|
|
restBlock.denebData.kzg_proofs, restBlock.denebData.blobs)))
|
|
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http503, BeaconNodeInSyncError, $res.error)
|
|
if res.get().isNone():
|
|
return RestApiResponse.jsonError(Http202, BlockValidationError)
|
|
|
|
RestApiResponse.jsonMsgResponse(BlockValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/publishBlockV2
|
|
router.api(MethodPost, "/eth/v2/beacon/blocks") do (
|
|
broadcast_validation: Option[BroadcastValidationType],
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let res =
|
|
block:
|
|
let
|
|
version = request.headers.getString("eth-consensus-version")
|
|
validation =
|
|
block:
|
|
let res =
|
|
if broadcast_validation.isNone():
|
|
BroadcastValidationType.Gossip
|
|
else:
|
|
broadcast_validation.get().valueOr:
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidBroadcastValidationType)
|
|
# TODO (henridf): support 'consensus' and
|
|
# 'consensus_and_equivocation' broadcast_validation types.
|
|
if res != BroadcastValidationType.Gossip:
|
|
return RestApiResponse.jsonError(Http500,
|
|
"Only `gossip` broadcast_validation option supported")
|
|
res
|
|
body =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
contentBody.get()
|
|
var
|
|
restBlock = decodeBodyJsonOrSsz(RestPublishedSignedBlockContents,
|
|
body, version).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
forked = ForkedSignedBeaconBlock.init(restBlock)
|
|
|
|
# TODO (henridf): handle broadcast_validation flag
|
|
if restBlock.kind != node.dag.cfg.consensusForkAtEpoch(
|
|
getForkedBlockField(forked, slot).epoch):
|
|
doAssert strictVerification notin node.dag.updateFlags
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockObjectError)
|
|
|
|
case restBlock.kind
|
|
of ConsensusFork.Phase0:
|
|
var blck = restBlock.phase0Data
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Altair:
|
|
var blck = restBlock.altairData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Bellatrix:
|
|
var blck = restBlock.bellatrixData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Capella:
|
|
var blck = restBlock.capellaData
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.none(seq[BlobSidecar]))
|
|
of ConsensusFork.Deneb:
|
|
var blck = restBlock.denebData.signed_block
|
|
blck.root = hash_tree_root(blck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
blck, Opt.some(blck.create_blob_sidecars(
|
|
restBlock.denebData.kzg_proofs, restBlock.denebData.blobs)))
|
|
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http503, BeaconNodeInSyncError, $res.error)
|
|
if res.get().isNone():
|
|
return RestApiResponse.jsonError(Http202, BlockValidationError)
|
|
|
|
RestApiResponse.jsonMsgResponse(BlockValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.2#/Beacon/getBlindedBlock
|
|
# https://github.com/ethereum/beacon-APIs/blob/v2.4.2/apis/beacon/blocks/blinded_block.yaml
|
|
router.api2(MethodGet, "/eth/v1/beacon/blinded_blocks/{block_id}") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
let
|
|
blockIdent = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
bid = node.getBlockId(blockIdent).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
contentType =
|
|
block:
|
|
let res = preferredContentType(jsonMediaType,
|
|
sszMediaType)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http406, ContentNotAcceptableError)
|
|
res.get()
|
|
bdata = node.dag.getForkedBlock(bid).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
template respondSszOrJson(
|
|
signedMaybeBlindedBlck: auto, consensusFork: ConsensusFork): untyped =
|
|
if contentType == sszMediaType:
|
|
RestApiResponse.sszResponse(
|
|
signedMaybeBlindedBlck,
|
|
[("eth-consensus-version", consensusFork.toString())])
|
|
elif contentType == jsonMediaType:
|
|
RestApiResponse.jsonResponseBlock(
|
|
signedMaybeBlindedBlck,
|
|
consensusFork,
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
else:
|
|
RestApiResponse.jsonError(Http500, InvalidAcceptError)
|
|
|
|
withBlck(bdata.asSigned()):
|
|
when consensusFork <= ConsensusFork.Altair:
|
|
respondSszOrJson(forkyBlck, consensusFork)
|
|
else:
|
|
respondSszOrJson(toSignedBlindedBeaconBlock(forkyBlck), consensusFork)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/publishBlindedBlock
|
|
# https://github.com/ethereum/beacon-APIs/blob/v2.4.0/apis/beacon/blocks/blinded_blocks.yaml
|
|
router.api(MethodPost, "/eth/v1/beacon/blinded_blocks") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
## Instructs the beacon node to use the components of the
|
|
## `SignedBlindedBeaconBlock` to construct and publish a
|
|
## `SignedBeaconBlock` by swapping out the transactions_root for the
|
|
## corresponding full list of transactions. The beacon node should
|
|
## broadcast a newly constructed `SignedBeaconBlock` to the beacon network,
|
|
## to be included in the beacon chain. The beacon node is not required to
|
|
## validate the signed `BeaconBlock`, and a successful response (20X) only
|
|
## indicates that the broadcast has been successful.
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
|
|
let
|
|
currentEpochFork =
|
|
node.dag.cfg.consensusForkAtEpoch(node.currentSlot().epoch())
|
|
version = request.headers.getString("eth-consensus-version")
|
|
body = contentBody.get()
|
|
|
|
if (body.contentType == OctetStreamMediaType) and
|
|
(currentEpochFork.toString != version):
|
|
return RestApiResponse.jsonError(Http400, BlockIncorrectFork)
|
|
|
|
withConsensusFork(currentEpochFork):
|
|
when consensusFork >= ConsensusFork.Deneb:
|
|
let
|
|
restBlock = decodeBodyJsonOrSsz(
|
|
consensusFork.SignedBlindedBeaconBlock, body).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
payloadBuilderClient = node.getPayloadBuilderClient(
|
|
restBlock.message.proposer_index).valueOr:
|
|
return RestApiResponse.jsonError(
|
|
Http400, "Unable to initialize payload builder client: " & $error)
|
|
res = await node.unblindAndRouteBlockMEV(
|
|
payloadBuilderClient, restBlock)
|
|
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http500, InternalServerError, $res.error)
|
|
if res.get().isNone():
|
|
return RestApiResponse.jsonError(Http202, BlockValidationError)
|
|
|
|
return RestApiResponse.jsonMsgResponse(BlockValidationSuccess)
|
|
elif consensusFork >= ConsensusFork.Bellatrix:
|
|
return RestApiResponse.jsonError(
|
|
Http400, $consensusFork & " builder API unsupported")
|
|
else:
|
|
# Pre-Bellatrix, this endpoint will accept a `SignedBeaconBlock`.
|
|
#
|
|
# This is mostly the same as /eth/v1/beacon/blocks for phase 0 and
|
|
# altair.
|
|
var
|
|
restBlock = decodeBody(
|
|
RestPublishedSignedBeaconBlock, body, version).valueOr:
|
|
return RestApiResponse.jsonError(error)
|
|
forked = ForkedSignedBeaconBlock(restBlock)
|
|
|
|
if forked.kind != node.dag.cfg.consensusForkAtEpoch(
|
|
getForkedBlockField(forked, slot).epoch):
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockObjectError)
|
|
|
|
let res = withBlck(forked):
|
|
forkyBlck.root = hash_tree_root(forkyBlck.message)
|
|
await node.router.routeSignedBeaconBlock(
|
|
forkyBlck, Opt.none(seq[BlobSidecar]))
|
|
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http503, BeaconNodeInSyncError, $res.error)
|
|
elif res.get().isNone():
|
|
return RestApiResponse.jsonError(Http202, BlockValidationError)
|
|
|
|
RestApiResponse.jsonMsgResponse(BlockValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlock
|
|
router.api2(MethodGet, "/eth/v1/beacon/blocks/{block_id}") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
RestApiResponse.jsonError(
|
|
Http410, DeprecatedRemovalBeaconBlocksDebugStateV1)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlockV2
|
|
router.api2(MethodGet, "/eth/v2/beacon/blocks/{block_id}") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
let
|
|
blockIdent = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
bid = node.getBlockId(blockIdent).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
let contentType =
|
|
block:
|
|
let res = preferredContentType(jsonMediaType,
|
|
sszMediaType)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http406, ContentNotAcceptableError)
|
|
res.get()
|
|
|
|
if contentType == sszMediaType:
|
|
var data: seq[byte]
|
|
if not node.dag.getBlockSSZ(bid, data):
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
let
|
|
fork = node.dag.cfg.consensusForkAtEpoch(bid.slot.epoch)
|
|
headers = [("eth-consensus-version", fork.toString())]
|
|
|
|
RestApiResponse.sszResponsePlain(data, headers)
|
|
elif contentType == jsonMediaType:
|
|
let bdata = node.dag.getForkedBlock(bid).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
RestApiResponse.jsonResponseBlock(
|
|
bdata.asSigned(),
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
else:
|
|
RestApiResponse.jsonError(Http500, InvalidAcceptError)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlockRoot
|
|
router.api2(MethodGet, "/eth/v1/beacon/blocks/{block_id}/root") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
let
|
|
blockIdent = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
|
|
bid = node.getBlockId(blockIdent).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
bdata = node.dag.getForkedBlock(bid).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
RestApiResponse.jsonResponseFinalized(
|
|
(root: bid.root),
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getBlockAttestations
|
|
router.api2(MethodGet,
|
|
"/eth/v1/beacon/blocks/{block_id}/attestations") do (
|
|
block_id: BlockIdent) -> RestApiResponse:
|
|
let
|
|
blockIdent = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
bdata = node.getForkedBlock(blockIdent).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
withBlck(bdata):
|
|
let bid = BlockId(root: forkyBlck.root, slot: forkyBlck.message.slot)
|
|
RestApiResponse.jsonResponseFinalized(
|
|
forkyBlck.message.body.attestations.asSeq(),
|
|
node.getBlockOptimistic(bdata),
|
|
node.dag.isFinalized(bid)
|
|
)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getPoolAttestations
|
|
router.api2(MethodGet, "/eth/v1/beacon/pool/attestations") do (
|
|
slot: Option[Slot],
|
|
committee_index: Option[CommitteeIndex]) -> RestApiResponse:
|
|
let vindex =
|
|
if committee_index.isSome():
|
|
let rindex = committee_index.get()
|
|
if rindex.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidCommitteeIndexValueError,
|
|
$rindex.error)
|
|
Opt.some(rindex.get())
|
|
else:
|
|
Opt.none(CommitteeIndex)
|
|
let vslot =
|
|
if slot.isSome():
|
|
let rslot = slot.get()
|
|
if rslot.isErr():
|
|
return RestApiResponse.jsonError(Http400, InvalidSlotValueError,
|
|
$rslot.error)
|
|
Opt.some(rslot.get())
|
|
else:
|
|
Opt.none(Slot)
|
|
var res: seq[Attestation]
|
|
for item in node.attestationPool[].attestations(vslot, vindex):
|
|
res.add(item)
|
|
RestApiResponse.jsonResponse(res)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/submitPoolAttestations
|
|
router.api2(MethodPost, "/eth/v1/beacon/pool/attestations") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let attestations =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[Attestation], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidAttestationObjectError,
|
|
$dres.error)
|
|
dres.get()
|
|
|
|
# Since our validation logic supports batch processing, we will submit all
|
|
# attestations for validation.
|
|
let pending =
|
|
block:
|
|
var res: seq[Future[SendResult]]
|
|
for attestation in attestations:
|
|
res.add(node.router.routeAttestation(attestation))
|
|
res
|
|
let failures =
|
|
block:
|
|
var res: seq[RestIndexedErrorMessageItem]
|
|
await allFutures(pending)
|
|
for index, future in pending:
|
|
if future.completed():
|
|
let fres = future.value()
|
|
if fres.isErr():
|
|
let failure = RestIndexedErrorMessageItem(index: 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.error()
|
|
let failure = RestIndexedErrorMessageItem(index: index,
|
|
message: $exc.msg)
|
|
res.add(failure)
|
|
res
|
|
|
|
if len(failures) > 0:
|
|
RestApiResponse.jsonErrorList(Http400, AttestationValidationError,
|
|
failures)
|
|
else:
|
|
RestApiResponse.jsonMsgResponse(AttestationValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getPoolAttesterSlashings
|
|
router.api2(MethodGet, "/eth/v1/beacon/pool/attester_slashings") do (
|
|
) -> RestApiResponse:
|
|
RestApiResponse.jsonResponse(
|
|
toSeq(node.validatorChangePool.attester_slashings))
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/submitPoolAttesterSlashings
|
|
router.api(MethodPost, "/eth/v1/beacon/pool/attester_slashings") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let slashing =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(AttesterSlashing, contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidAttesterSlashingObjectError,
|
|
$dres.error)
|
|
dres.get()
|
|
let res = await node.router.routeAttesterSlashing(slashing)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
AttesterSlashingValidationError,
|
|
$res.error)
|
|
RestApiResponse.jsonMsgResponse(AttesterSlashingValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getPoolProposerSlashings
|
|
router.api2(MethodGet, "/eth/v1/beacon/pool/proposer_slashings") do (
|
|
) -> RestApiResponse:
|
|
RestApiResponse.jsonResponse(
|
|
toSeq(node.validatorChangePool.proposer_slashings))
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/submitPoolProposerSlashings
|
|
router.api(MethodPost, "/eth/v1/beacon/pool/proposer_slashings") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let slashing =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(ProposerSlashing, contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidProposerSlashingObjectError,
|
|
$dres.error)
|
|
dres.get()
|
|
let res = await node.router.routeProposerSlashing(slashing)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
ProposerSlashingValidationError,
|
|
$res.error)
|
|
RestApiResponse.jsonMsgResponse(ProposerSlashingValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Beacon/getPoolBLSToExecutionChanges
|
|
# https://github.com/ethereum/beacon-APIs/blob/86850001845df9163da5ae9605dbf15cd318d5d0/apis/beacon/pool/bls_to_execution_changes.yaml
|
|
router.api2(MethodGet, "/eth/v1/beacon/pool/bls_to_execution_changes") do (
|
|
) -> RestApiResponse:
|
|
RestApiResponse.jsonResponse(
|
|
toSeq(node.validatorChangePool.bls_to_execution_changes_gossip) &
|
|
toSeq(node.validatorChangePool.bls_to_execution_changes_api))
|
|
|
|
# https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Beacon/submitPoolBLSToExecutionChange
|
|
# https://github.com/ethereum/beacon-APIs/blob/86850001845df9163da5ae9605dbf15cd318d5d0/apis/beacon/pool/bls_to_execution_changes.yaml
|
|
router.api2(MethodPost, "/eth/v1/beacon/pool/bls_to_execution_changes") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
if node.currentSlot().epoch() < node.dag.cfg.CAPELLA_FORK_EPOCH:
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidBlsToExecutionChangeObjectError,
|
|
"Attempt to add to BLS to execution change pool pre-Capella")
|
|
let
|
|
bls_to_execution_changes =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres =
|
|
decodeBody(seq[SignedBLSToExecutionChange], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http400, InvalidBlsToExecutionChangeObjectError, $dres.error)
|
|
dres.get()
|
|
pending = mapIt(bls_to_execution_changes,
|
|
node.router.routeBlsToExecutionChange(it))
|
|
|
|
await allFutures(pending)
|
|
|
|
for future in pending:
|
|
if future.failed() or future.cancelled():
|
|
return RestApiResponse.jsonError(Http400,
|
|
BlsToExecutionChangeValidationError,
|
|
$future.error().msg)
|
|
let res = future.value()
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
BlsToExecutionChangeValidationError,
|
|
$res.error)
|
|
RestApiResponse.jsonMsgResponse(BlsToExecutionChangeValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/submitPoolSyncCommitteeSignatures
|
|
router.api(MethodPost, "/eth/v1/beacon/pool/sync_committees") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let messages =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(seq[SyncCommitteeMessage], contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSyncCommitteeSignatureMessageError)
|
|
dres.get()
|
|
|
|
let results = await node.router.routeSyncCommitteeMessages(messages)
|
|
|
|
let failures =
|
|
block:
|
|
var res: seq[RestIndexedErrorMessageItem]
|
|
for index, item in results:
|
|
if item.isErr():
|
|
res.add(RestIndexedErrorMessageItem(index: index,
|
|
message: $item.error))
|
|
res
|
|
if len(failures) > 0:
|
|
RestApiResponse.jsonErrorList(
|
|
Http400, SyncCommitteeMessageValidationError, failures)
|
|
else:
|
|
RestApiResponse.jsonMsgResponse(
|
|
SyncCommitteeMessageValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/getPoolVoluntaryExits
|
|
router.api2(MethodGet, "/eth/v1/beacon/pool/voluntary_exits") do (
|
|
) -> RestApiResponse:
|
|
return RestApiResponse.jsonResponse(
|
|
toSeq(node.validatorChangePool.voluntary_exits))
|
|
|
|
# https://ethereum.github.io/beacon-APIs/#/Beacon/submitPoolVoluntaryExit
|
|
router.api(MethodPost, "/eth/v1/beacon/pool/voluntary_exits") do (
|
|
contentBody: Option[ContentBody]) -> RestApiResponse:
|
|
let exit =
|
|
block:
|
|
if contentBody.isNone():
|
|
return RestApiResponse.jsonError(Http400, EmptyRequestBodyError)
|
|
let dres = decodeBody(SignedVoluntaryExit, contentBody.get())
|
|
if dres.isErr():
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidVoluntaryExitObjectError,
|
|
$dres.error)
|
|
dres.get()
|
|
let res = await node.router.routeSignedVoluntaryExit(exit)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(
|
|
Http400, VoluntaryExitValidationError, $res.error)
|
|
return RestApiResponse.jsonMsgResponse(VoluntaryExitValidationSuccess)
|
|
|
|
# https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.2#/Beacon/getBlobSidecars
|
|
# https://github.com/ethereum/beacon-APIs/blob/v2.4.2/apis/beacon/blob_sidecars/blob_sidecars.yaml
|
|
router.api2(MethodGet, "/eth/v1/beacon/blob_sidecars/{block_id}") do (
|
|
block_id: BlockIdent, indices: seq[uint64]) -> RestApiResponse:
|
|
let
|
|
blockIdent = block_id.valueOr:
|
|
return RestApiResponse.jsonError(Http400, InvalidBlockIdValueError,
|
|
$error)
|
|
bid = node.getBlockId(blockIdent).valueOr:
|
|
return RestApiResponse.jsonError(Http404, BlockNotFoundError)
|
|
|
|
contentType = block:
|
|
let res = preferredContentType(jsonMediaType,
|
|
sszMediaType)
|
|
if res.isErr():
|
|
return RestApiResponse.jsonError(Http406, ContentNotAcceptableError)
|
|
res.get()
|
|
|
|
# https://github.com/ethereum/beacon-APIs/blob/v2.4.2/types/deneb/blob_sidecar.yaml#L2-L28
|
|
let data = newClone(default(List[BlobSidecar, Limit MAX_BLOBS_PER_BLOCK]))
|
|
|
|
if indices.isErr:
|
|
return RestApiResponse.jsonError(Http400,
|
|
InvalidSidecarIndexValueError)
|
|
|
|
let indexFilter = indices.get.toHashSet
|
|
|
|
for blobIndex in 0'u64 ..< MAX_BLOBS_PER_BLOCK:
|
|
if indexFilter.len > 0 and blobIndex notin indexFilter:
|
|
continue
|
|
|
|
var blobSidecar = new BlobSidecar
|
|
|
|
if node.dag.db.getBlobSidecar(bid.root, blobIndex, blobSidecar[]):
|
|
discard data[].add blobSidecar[]
|
|
|
|
if contentType == sszMediaType:
|
|
RestApiResponse.sszResponse(
|
|
data[], headers = [("eth-consensus-version",
|
|
node.dag.cfg.consensusForkAtEpoch(bid.slot.epoch).toString())])
|
|
elif contentType == jsonMediaType:
|
|
RestApiResponse.jsonResponse(data)
|
|
else:
|
|
RestApiResponse.jsonError(Http500, InvalidAcceptError)
|