823 lines
33 KiB
Nim
823 lines
33 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018-2023 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/[tables, json, streams, sequtils, uri],
|
|
chronos, chronicles, metrics,
|
|
json_serialization/std/net,
|
|
presto, presto/client,
|
|
|
|
../spec/[keystore, signatures, helpers, crypto],
|
|
../spec/datatypes/[phase0, altair],
|
|
../spec/eth2_apis/[rest_types, eth2_rest_serialization,
|
|
rest_remote_signer_calls],
|
|
../filepath,
|
|
./slashing_protection
|
|
|
|
export
|
|
streams, keystore, phase0, altair, tables, uri, crypto,
|
|
rest_types, eth2_rest_serialization, rest_remote_signer_calls,
|
|
slashing_protection
|
|
|
|
const
|
|
WEB3_SIGNER_DELAY_TOLERANCE = 3.seconds
|
|
|
|
declareGauge validators,
|
|
"Number of validators attached to the beacon node"
|
|
|
|
logScope: topics = "val_pool"
|
|
|
|
type
|
|
ValidatorKind* {.pure.} = enum
|
|
Local, Remote
|
|
|
|
ValidatorAndIndex* = object
|
|
index*: ValidatorIndex
|
|
validator*: Validator
|
|
|
|
AttachedValidator* = ref object
|
|
data*: KeystoreData
|
|
case kind*: ValidatorKind
|
|
of ValidatorKind.Local:
|
|
discard
|
|
of ValidatorKind.Remote:
|
|
clients*: seq[(RestClientRef, RemoteSignerInfo)]
|
|
threshold*: uint32
|
|
|
|
updated*: bool
|
|
index*: Opt[ValidatorIndex]
|
|
## Validator index which is assigned after the eth1 deposit has been
|
|
## processed - this index is valid across all eth2 forks for fork depths
|
|
## up to ETH1_FOLLOW_DISTANCE - we don't support changing indices.
|
|
|
|
activationEpoch*: Epoch
|
|
## Epoch when validator activated - this happens at the time or some time
|
|
## after the validator index has been assigned depending on how many
|
|
## validators are in the activation queue - this is the first epoch that
|
|
## the validator starts performing duties
|
|
|
|
# Cache the latest slot signature - the slot signature is used to determine
|
|
# if the validator will be aggregating (in the near future)
|
|
slotSignature*: Opt[tuple[slot: Slot, signature: ValidatorSig]]
|
|
|
|
# For the external payload builder; each epoch, the external payload
|
|
# builder should be informed of current validators
|
|
externalBuilderRegistration*: Opt[SignedValidatorRegistrationV1]
|
|
|
|
doppelCheck*: Opt[Epoch]
|
|
## The epoch where doppelganger detection last performed a check
|
|
doppelActivity*: Opt[Epoch]
|
|
## The last time we attempted to perform a duty with this validator
|
|
|
|
lastWarning*: Opt[Slot]
|
|
|
|
SignResponse* = Web3SignerDataResponse
|
|
|
|
SignatureResult* = Result[ValidatorSig, string]
|
|
SyncCommitteeMessageResult* = Result[SyncCommitteeMessage, string]
|
|
|
|
ValidatorPool* = object
|
|
validators*: Table[ValidatorPubKey, AttachedValidator]
|
|
slashingProtection*: SlashingProtectionDB
|
|
doppelgangerDetectionEnabled*: bool
|
|
|
|
AddValidatorProc* = proc(keystore: KeystoreData) {.gcsafe, raises: [].}
|
|
|
|
template pubkey*(v: AttachedValidator): ValidatorPubKey =
|
|
v.data.pubkey
|
|
|
|
func shortLog*(v: AttachedValidator): string =
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
shortLog(v.pubkey)
|
|
of ValidatorKind.Remote:
|
|
shortLog(v.pubkey)
|
|
|
|
func init*(T: type ValidatorPool,
|
|
slashingProtectionDB: SlashingProtectionDB,
|
|
doppelgangerDetectionEnabled: bool): T =
|
|
## Initialize the validator pool and the slashing protection service
|
|
## `genesis_validators_root` is used as an unique ID for the
|
|
## blockchain
|
|
## `backend` is the KeyValue Store backend
|
|
T(
|
|
slashingProtection: slashingProtectionDB,
|
|
doppelgangerDetectionEnabled: doppelgangerDetectionEnabled)
|
|
|
|
template count*(pool: ValidatorPool): int =
|
|
len(pool.validators)
|
|
|
|
proc addLocalValidator(
|
|
pool: var ValidatorPool, keystore: KeystoreData,
|
|
feeRecipient: Eth1Address, gasLimit: uint64): AttachedValidator =
|
|
doAssert keystore.kind == KeystoreKind.Local
|
|
let v = AttachedValidator(
|
|
kind: ValidatorKind.Local,
|
|
data: keystore,
|
|
externalBuilderRegistration: Opt.none SignedValidatorRegistrationV1,
|
|
activationEpoch: FAR_FUTURE_EPOCH
|
|
)
|
|
pool.validators[v.pubkey] = v
|
|
|
|
# Fee recipient may change after startup, but we log the initial value here
|
|
notice "Local validator attached",
|
|
pubkey = v.pubkey,
|
|
validator = shortLog(v),
|
|
initial_fee_recipient = feeRecipient.toHex(),
|
|
initial_gas_limit = gasLimit
|
|
validators.set(pool.count().int64)
|
|
|
|
v
|
|
|
|
proc addRemoteValidator(pool: var ValidatorPool, keystore: KeystoreData,
|
|
clients: seq[(RestClientRef, RemoteSignerInfo)],
|
|
feeRecipient: Eth1Address,
|
|
gasLimit: uint64): AttachedValidator =
|
|
doAssert keystore.kind == KeystoreKind.Remote
|
|
let v = AttachedValidator(
|
|
kind: ValidatorKind.Remote,
|
|
data: keystore,
|
|
clients: clients,
|
|
externalBuilderRegistration: Opt.none SignedValidatorRegistrationV1,
|
|
activationEpoch: FAR_FUTURE_EPOCH,
|
|
)
|
|
pool.validators[v.pubkey] = v
|
|
if RemoteKeystoreFlag.DynamicKeystore in keystore.flags:
|
|
notice "Dynamic remote validator attached", pubkey = v.pubkey,
|
|
validator = shortLog(v), remote_signer = $keystore.remotes,
|
|
initial_fee_recipient = feeRecipient.toHex(),
|
|
initial_gas_limit = gasLimit
|
|
else:
|
|
notice "Remote validator attached", pubkey = v.pubkey,
|
|
validator = shortLog(v), remote_signer = $keystore.remotes,
|
|
initial_fee_recipient = feeRecipient.toHex(),
|
|
initial_gas_limit = gasLimit
|
|
|
|
validators.set(pool.count().int64)
|
|
|
|
v
|
|
|
|
proc addRemoteValidator(pool: var ValidatorPool,
|
|
keystore: KeystoreData,
|
|
feeRecipient: Eth1Address,
|
|
gasLimit: uint64): AttachedValidator =
|
|
let
|
|
httpFlags =
|
|
if RemoteKeystoreFlag.IgnoreSSLVerification in keystore.flags:
|
|
{HttpClientFlag.NoVerifyHost, HttpClientFlag.NoVerifyServerName}
|
|
else:
|
|
{}
|
|
prestoFlags = {RestClientFlag.CommaSeparatedArray}
|
|
socketFlags = {SocketFlags.TcpNoDelay}
|
|
clients =
|
|
block:
|
|
var res: seq[(RestClientRef, RemoteSignerInfo)]
|
|
for remote in keystore.remotes:
|
|
let client = RestClientRef.new(
|
|
$remote.url, prestoFlags, httpFlags, socketFlags = socketFlags)
|
|
if client.isErr():
|
|
# TODO keep trying in case of temporary network failure
|
|
warn "Unable to resolve distributed signer address",
|
|
remote_url = $remote.url, validator = $remote.pubkey
|
|
else:
|
|
res.add((client.get(), remote))
|
|
res
|
|
|
|
pool.addRemoteValidator(keystore, clients, feeRecipient, gasLimit)
|
|
|
|
proc addValidator*(pool: var ValidatorPool,
|
|
keystore: KeystoreData,
|
|
feeRecipient: Eth1Address,
|
|
gasLimit: uint64): AttachedValidator =
|
|
pool.validators.withValue(keystore.pubkey, v):
|
|
notice "Adding already-known validator", validator = shortLog(v[])
|
|
return v[]
|
|
|
|
case keystore.kind
|
|
of KeystoreKind.Local:
|
|
pool.addLocalValidator(keystore, feeRecipient, gasLimit)
|
|
of KeystoreKind.Remote:
|
|
pool.addRemoteValidator(keystore, feeRecipient, gasLimit)
|
|
|
|
func getValidator*(pool: ValidatorPool,
|
|
validatorKey: ValidatorPubKey): Opt[AttachedValidator] =
|
|
let v = pool.validators.getOrDefault(validatorKey)
|
|
if v == nil: Opt.none(AttachedValidator) else: Opt.some(v)
|
|
|
|
func contains*(pool: ValidatorPool, pubkey: ValidatorPubKey): bool =
|
|
## Returns ``true`` if validator with key ``pubkey`` present in ``pool``.
|
|
pool.validators.contains(pubkey)
|
|
|
|
proc removeValidator*(pool: var ValidatorPool, pubkey: ValidatorPubKey) =
|
|
## Delete validator with public key ``pubkey`` from ``pool``.
|
|
let validator = pool.validators.getOrDefault(pubkey)
|
|
if not(isNil(validator)):
|
|
pool.validators.del(pubkey)
|
|
case validator.kind
|
|
of ValidatorKind.Local:
|
|
notice "Local validator detached", pubkey, validator = shortLog(validator)
|
|
of ValidatorKind.Remote:
|
|
if RemoteKeystoreFlag.DynamicKeystore in validator.data.flags:
|
|
notice "Dynamic remote validator detached", pubkey,
|
|
validator = shortLog(validator)
|
|
else:
|
|
notice "Remote validator detached", pubkey,
|
|
validator = shortLog(validator)
|
|
validators.set(pool.count().int64)
|
|
|
|
func needsUpdate*(validator: AttachedValidator): bool =
|
|
validator.index.isNone() or validator.activationEpoch == FAR_FUTURE_EPOCH
|
|
|
|
proc updateValidator*(
|
|
validator: AttachedValidator, validatorData: Opt[ValidatorAndIndex]) =
|
|
defer: validator.updated = true
|
|
|
|
let
|
|
data = validatorData.valueOr:
|
|
if not validator.updated:
|
|
notice "Validator deposit not yet processed, monitoring",
|
|
pubkey = validator.pubkey
|
|
|
|
return
|
|
index = data.index
|
|
activationEpoch = data.validator.activation_epoch
|
|
|
|
## Update activation information for a validator
|
|
if validator.index != Opt.some data.index:
|
|
validator.index = Opt.some data.index
|
|
|
|
if validator.activationEpoch != data.validator.activation_epoch:
|
|
# In theory, activation epoch could change but that's rare enough that it
|
|
# shouldn't practically matter for the current uses
|
|
info "Validator activation updated",
|
|
validator = shortLog(validator), pubkey = validator.pubkey, index,
|
|
activationEpoch
|
|
|
|
validator.activationEpoch = activationEpoch
|
|
|
|
proc close*(pool: var ValidatorPool) =
|
|
## Unlock and close all validator keystore's files managed by ``pool``.
|
|
for validator in pool.validators.values():
|
|
let res = validator.data.handle.closeLockedFile()
|
|
if res.isErr():
|
|
notice "Could not unlock validator's keystore file",
|
|
pubkey = validator.pubkey, validator = shortLog(validator)
|
|
pool.validators.clear()
|
|
|
|
iterator indices*(pool: ValidatorPool): ValidatorIndex =
|
|
for item in pool.validators.values():
|
|
if item.index.isSome():
|
|
yield item.index.get()
|
|
|
|
iterator items*(pool: ValidatorPool): AttachedValidator =
|
|
for item in pool.validators.values():
|
|
yield item
|
|
|
|
proc doppelgangerChecked*(validator: AttachedValidator, epoch: Epoch) =
|
|
## Call when the validator was checked for activity in the given epoch
|
|
|
|
if validator.doppelCheck.isNone():
|
|
debug "Doppelganger first check",
|
|
validator = shortLog(validator), epoch
|
|
else:
|
|
let check = validator.doppelCheck.get()
|
|
if check > epoch:
|
|
# Shouldn't happen but due to `await`, it may - consider turning into
|
|
# assert
|
|
debug "Doppelganger reordered check",
|
|
validator = shortLog(validator), check, epoch
|
|
return
|
|
|
|
if check - epoch > 1:
|
|
debug "Doppelganger stale check",
|
|
validator = shortLog(validator), check, epoch
|
|
|
|
validator.doppelCheck = Opt.some epoch
|
|
|
|
proc doppelgangerActivity*(validator: AttachedValidator, epoch: Epoch) =
|
|
## Call when we performed a doppelganger-monitored activity in the epoch
|
|
if validator.doppelActivity.isNone():
|
|
debug "Doppelganger first activity",
|
|
validator = shortLog(validator), epoch
|
|
else:
|
|
let activity = validator.doppelActivity.get()
|
|
if activity > epoch:
|
|
# Shouldn't happen but due to `await`, it may - consider turning into
|
|
# assert
|
|
debug "Doppelganger reordered activity",
|
|
validator = shortLog(validator), activity, epoch
|
|
return
|
|
|
|
if activity - epoch > 1:
|
|
# We missed work in some epoch
|
|
debug "Doppelganger stale activity",
|
|
validator = shortLog(validator), activity, epoch
|
|
|
|
validator.doppelActivity = Opt.some epoch
|
|
|
|
func triggersDoppelganger*(v: AttachedValidator, epoch: Epoch): bool =
|
|
## Returns true iff we have proof that an activity in the given epoch
|
|
## triggers doppelganger detection: this means the network was active for this
|
|
## validator during the given epoch (via doppelgangerChecked) but the activity
|
|
## did not originate from this instance.
|
|
|
|
if v.doppelActivity.isSome() and v.doppelActivity.get() >= epoch:
|
|
false # This was our own activity
|
|
elif v.doppelCheck.isNone():
|
|
false # Can't prove that the activity triggers the check
|
|
else:
|
|
v.doppelCheck.get() == epoch
|
|
|
|
func doppelgangerReady*(validator: AttachedValidator, slot: Slot): bool =
|
|
## Returns true iff the validator has passed doppelganger detection by being
|
|
## monitored in the previous epoch (or the given epoch is the activation
|
|
## epoch, in which case we always consider it ready)
|
|
##
|
|
## If we checked doppelganger, we allow the check to lag by one slot to avoid
|
|
## a race condition where the check for epoch N is ongoing and block
|
|
## block production for slot_start(N+1) is about to happen
|
|
let epoch = slot.epoch
|
|
epoch == validator.activationEpoch or
|
|
(validator.doppelCheck.isSome and
|
|
(((validator.doppelCheck.get() + 1) == epoch) or
|
|
(((validator.doppelCheck.get() + 2).start_slot) == slot)))
|
|
|
|
proc getValidatorForDuties*(
|
|
pool: ValidatorPool, key: ValidatorPubKey, slot: Slot,
|
|
slashingSafe: bool):
|
|
Opt[AttachedValidator] =
|
|
## Return validator only if it is ready for duties (has index and has passed
|
|
## doppelganger check where applicable)
|
|
let validator = ? pool.getValidator(key)
|
|
if validator.index.isNone():
|
|
return Opt.none(AttachedValidator)
|
|
|
|
# Sync committee duties are not slashable, so we perform them even during
|
|
# doppelganger detection
|
|
if pool.doppelgangerDetectionEnabled and
|
|
not validator.doppelgangerReady(slot) and
|
|
not slashingSafe:
|
|
notice "Doppelganger detection active - " &
|
|
"skipping validator duties while observing the network",
|
|
validator = shortLog(validator),
|
|
slot,
|
|
doppelCheck = validator.doppelCheck,
|
|
activationEpoch = shortLog(validator.activationEpoch)
|
|
|
|
return Opt.none(AttachedValidator)
|
|
|
|
return Opt.some(validator)
|
|
|
|
func triggersDoppelganger*(
|
|
pool: ValidatorPool, pubkey: ValidatorPubKey, epoch: Epoch): bool =
|
|
let v = pool.getValidator(pubkey)
|
|
v.isSome() and v[].triggersDoppelganger(epoch)
|
|
|
|
proc updateDynamicValidators*(pool: ref ValidatorPool,
|
|
web3signerUrl: Uri,
|
|
keystores: openArray[KeystoreData],
|
|
addProc: AddValidatorProc) =
|
|
var
|
|
keystoresTable: Table[ValidatorPubKey, Opt[KeystoreData]]
|
|
deleteValidators: seq[ValidatorPubKey]
|
|
|
|
for keystore in keystores:
|
|
keystoresTable[keystore.pubkey] = Opt.some(keystore)
|
|
|
|
# We preserve `Local` and `Remote` keystores which are not from dynamic set,
|
|
# and also we removing all the dynamic keystores which are not part of new
|
|
# dynamic set.
|
|
for validator in pool[].items():
|
|
if validator.kind == ValidatorKind.Remote:
|
|
if RemoteKeystoreFlag.DynamicKeystore in validator.data.flags:
|
|
let keystore = keystoresTable.getOrDefault(validator.pubkey)
|
|
if keystore.isSome():
|
|
# Just update validator's `data` field with new data from keystore.
|
|
validator.data = keystore.get()
|
|
elif validator.data.remotes[0].url == HttpHostUri(web3signerUrl):
|
|
# The "dynamic" keystores are guaratneed to not be distributed
|
|
# so they have a single remote. This code ensures that we are
|
|
# deleting all previous dynamically obtained keystores which
|
|
# were associated with a particular Web3Signer when the same
|
|
# signer no longer serves them.
|
|
deleteValidators.add(validator.pubkey)
|
|
|
|
for pubkey in deleteValidators:
|
|
pool[].removeValidator(pubkey)
|
|
|
|
# Adding new dynamic keystores.
|
|
for keystore in keystores.items():
|
|
let res = pool[].getValidator(keystore.pubkey)
|
|
if res.isSome():
|
|
let validator = res.get()
|
|
if validator.kind != ValidatorKind.Remote or
|
|
RemoteKeystoreFlag.DynamicKeystore notin validator.data.flags:
|
|
warn "Attempt to replace local validator with dynamic remote validator",
|
|
pubkey = validator.pubkey, validator = shortLog(validator),
|
|
remote_signer = $keystore.remotes,
|
|
local_validator_kind = validator.kind
|
|
else:
|
|
addProc(keystore)
|
|
|
|
proc signWithDistributedKey(v: AttachedValidator,
|
|
request: Web3SignerRequest): Future[SignatureResult]
|
|
{.async.} =
|
|
doAssert v.data.threshold <= uint32(v.clients.len)
|
|
|
|
let
|
|
deadline = sleepAsync(WEB3_SIGNER_DELAY_TOLERANCE)
|
|
signatureReqs = mapIt(v.clients, it[0].signData(it[1].pubkey, deadline,
|
|
2, request))
|
|
|
|
await allFutures(signatureReqs)
|
|
|
|
if not(deadline.finished()): await cancelAndWait(deadline)
|
|
|
|
var shares: seq[SignatureShare]
|
|
var neededShares = v.data.threshold
|
|
|
|
for i, req in signatureReqs:
|
|
template shareInfo: untyped = v.clients[i][1]
|
|
if req.completed() and req.read.isOk:
|
|
shares.add req.read.get.toSignatureShare(shareInfo.id)
|
|
neededShares = neededShares - 1
|
|
else:
|
|
warn "Failed to obtain signature from remote signer",
|
|
pubkey = shareInfo.pubkey,
|
|
signerUrl = $(v.clients[i][0].address),
|
|
reason = req.read.error.message,
|
|
kind = req.read.error.kind
|
|
|
|
if neededShares == 0:
|
|
let recovered = shares.recoverSignature()
|
|
return SignatureResult.ok recovered.toValidatorSig
|
|
|
|
return SignatureResult.err "Not enough shares to recover the signature"
|
|
|
|
proc signWithSingleKey(v: AttachedValidator,
|
|
request: Web3SignerRequest): Future[SignatureResult] {.
|
|
async.} =
|
|
doAssert v.clients.len == 1
|
|
let
|
|
deadline = sleepAsync(WEB3_SIGNER_DELAY_TOLERANCE)
|
|
(client, info) = v.clients[0]
|
|
res = await client.signData(info.pubkey, deadline, 2, request)
|
|
|
|
if not(deadline.finished()): await cancelAndWait(deadline)
|
|
if res.isErr():
|
|
return SignatureResult.err(res.error.message)
|
|
else:
|
|
return SignatureResult.ok(res.get().toValidatorSig())
|
|
|
|
proc signData(v: AttachedValidator,
|
|
request: Web3SignerRequest): Future[SignatureResult] =
|
|
doAssert v.kind == ValidatorKind.Remote
|
|
debug "Signing request with remote signer",
|
|
validator = shortLog(v), kind = request.kind
|
|
if v.clients.len == 1:
|
|
v.signWithSingleKey(request)
|
|
else:
|
|
v.signWithDistributedKey(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/phase0/validator.md#signature
|
|
proc getBlockSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest, slot: Slot,
|
|
block_root: Eth2Digest,
|
|
blck: ForkedBeaconBlock | ForkedBlindedBeaconBlock |
|
|
capella_mev.BlindedBeaconBlock |
|
|
deneb_mev.BlindedBeaconBlock
|
|
): Future[SignatureResult] {.async.} =
|
|
type SomeBlockBody =
|
|
bellatrix.BeaconBlockBody |
|
|
capella.BeaconBlockBody |
|
|
deneb.BeaconBlockBody |
|
|
capella_mev.BlindedBeaconBlockBody |
|
|
deneb_mev.BlindedBeaconBlockBody
|
|
|
|
template blockPropertiesProofs(blockBody: SomeBlockBody,
|
|
forkIndexField: untyped): seq[Web3SignerMerkleProof] =
|
|
var proofs: seq[Web3SignerMerkleProof]
|
|
for prop in v.data.provenBlockProperties:
|
|
if prop.forkIndexField.isSome:
|
|
let
|
|
idx = prop.forkIndexField.get
|
|
proofRes = build_proof(blockBody, idx)
|
|
if proofRes.isErr:
|
|
return err proofRes.error
|
|
proofs.add Web3SignerMerkleProof(
|
|
index: idx,
|
|
proof: proofRes.get)
|
|
proofs
|
|
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(
|
|
get_block_signature(
|
|
fork, genesis_validators_root, slot, block_root,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let web3signerRequest =
|
|
when blck is ForkedBlindedBeaconBlock:
|
|
case blck.kind
|
|
of ConsensusFork.Phase0, ConsensusFork.Altair, ConsensusFork.Bellatrix:
|
|
return SignatureResult.err("Invalid beacon block fork version")
|
|
of ConsensusFork.Capella:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.capellaData.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.capellaData.body, capellaIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.capellaData.toBeaconBlockHeader),
|
|
proofs)
|
|
of ConsensusFork.Deneb:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.denebData.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.denebData.body, denebIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.denebData.toBeaconBlockHeader),
|
|
proofs)
|
|
elif blck is capella_mev.BlindedBeaconBlock:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.body, capellaIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.toBeaconBlockHeader),
|
|
proofs)
|
|
elif blck is deneb_mev.BlindedBeaconBlock:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.body, denebIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.toBeaconBlockHeader),
|
|
proofs)
|
|
else:
|
|
case blck.kind
|
|
of ConsensusFork.Phase0, ConsensusFork.Altair:
|
|
return SignatureResult.err("Invalid beacon block fork version")
|
|
of ConsensusFork.Bellatrix:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Bellatrix,
|
|
data: blck.bellatrixData.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.bellatrixData.body, bellatrixIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Bellatrix,
|
|
data: blck.bellatrixData.toBeaconBlockHeader),
|
|
proofs)
|
|
of ConsensusFork.Capella:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.capellaData.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.capellaData.body, capellaIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Capella,
|
|
data: blck.capellaData.toBeaconBlockHeader),
|
|
proofs)
|
|
of ConsensusFork.Deneb:
|
|
case v.data.remoteType
|
|
of RemoteSignerType.Web3Signer:
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.denebData.toBeaconBlockHeader))
|
|
of RemoteSignerType.VerifyingWeb3Signer:
|
|
let proofs = blockPropertiesProofs(
|
|
blck.denebData.body, denebIndex)
|
|
Web3SignerRequest.init(fork, genesis_validators_root,
|
|
Web3SignerForkedBeaconBlock(kind: ConsensusFork.Deneb,
|
|
data: blck.denebData.toBeaconBlockHeader),
|
|
proofs)
|
|
await v.signData(web3signerRequest)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-alpha.3/specs/deneb/validator.md#constructing-the-signedblobsidecars
|
|
proc getBlobSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest, slot: Slot,
|
|
blob: BlobSidecar): SignatureResult =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(
|
|
get_blob_sidecar_signature(
|
|
fork, genesis_validators_root, slot, blob,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
return SignatureResult.err("web3signer not supported for blobs")
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/phase0/validator.md#aggregate-signature
|
|
proc getAttestationSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
data: AttestationData
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(
|
|
get_attestation_signature(
|
|
fork, genesis_validators_root, data,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(fork, genesis_validators_root, data)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/phase0/validator.md#broadcast-aggregate
|
|
proc getAggregateAndProofSignature*(v: AttachedValidator,
|
|
fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
aggregate_and_proof: AggregateAndProof
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(
|
|
get_aggregate_and_proof_signature(
|
|
fork, genesis_validators_root, aggregate_and_proof,
|
|
v.data.privateKey).toValidatorSig()
|
|
)
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, genesis_validators_root, aggregate_and_proof)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/altair/validator.md#prepare-sync-committee-message
|
|
proc getSyncCommitteeMessage*(v: AttachedValidator,
|
|
fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
slot: Slot,
|
|
beacon_block_root: Eth2Digest
|
|
): Future[SyncCommitteeMessageResult] {.async.} =
|
|
let signature =
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_sync_committee_message_signature(
|
|
fork, genesis_validators_root, slot, beacon_block_root,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, genesis_validators_root, beacon_block_root, slot)
|
|
await v.signData(request)
|
|
|
|
if signature.isErr:
|
|
return SyncCommitteeMessageResult.err("Failed to obtain signature")
|
|
|
|
return
|
|
SyncCommitteeMessageResult.ok(
|
|
SyncCommitteeMessage(
|
|
slot: slot,
|
|
beacon_block_root: beacon_block_root,
|
|
validator_index: uint64(v.index.get()),
|
|
signature: signature.get()
|
|
)
|
|
)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/altair/validator.md#aggregation-selection
|
|
proc getSyncCommitteeSelectionProof*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
slot: Slot,
|
|
subcommittee_index: SyncSubcommitteeIndex
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_sync_committee_selection_proof(
|
|
fork, genesis_validators_root, slot, subcommittee_index,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, genesis_validators_root,
|
|
SyncAggregatorSelectionData(
|
|
slot: slot, subcommittee_index: uint64 subcommittee_index)
|
|
)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/altair/validator.md#broadcast-sync-committee-contribution
|
|
proc getContributionAndProofSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
contribution_and_proof: ContributionAndProof
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_contribution_and_proof_signature(
|
|
fork, genesis_validators_root, contribution_and_proof,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, genesis_validators_root, contribution_and_proof)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.3.0/specs/phase0/validator.md#randao-reveal
|
|
proc getEpochSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest, epoch: Epoch
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_epoch_signature(
|
|
fork, genesis_validators_root, epoch,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, genesis_validators_root, epoch)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.1/specs/phase0/validator.md#aggregation-selection
|
|
proc getSlotSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest, slot: Slot
|
|
): Future[SignatureResult] {.async.} =
|
|
if v.slotSignature.isSome and v.slotSignature.get.slot == slot:
|
|
return SignatureResult.ok(v.slotSignature.get.signature)
|
|
|
|
let signature =
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_slot_signature(
|
|
fork, genesis_validators_root, slot,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(fork, genesis_validators_root, slot)
|
|
await v.signData(request)
|
|
|
|
if signature.isErr:
|
|
return signature
|
|
|
|
v.slotSignature = Opt.some((slot, signature.get))
|
|
return signature
|
|
|
|
proc getValidatorExitSignature*(v: AttachedValidator, fork: Fork,
|
|
genesis_validators_root: Eth2Digest,
|
|
voluntary_exit: VoluntaryExit
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_voluntary_exit_signature(
|
|
fork, genesis_validators_root, voluntary_exit,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(fork, genesis_validators_root,
|
|
voluntary_exit)
|
|
await v.signData(request)
|
|
|
|
proc getDepositMessageSignature*(v: AttachedValidator, version: Version,
|
|
deposit_message: DepositMessage
|
|
): Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_deposit_signature(
|
|
deposit_message, version,
|
|
v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(version, deposit_message)
|
|
await v.signData(request)
|
|
|
|
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#signing
|
|
proc getBuilderSignature*(v: AttachedValidator, fork: Fork,
|
|
validatorRegistration: ValidatorRegistrationV1):
|
|
Future[SignatureResult] {.async.} =
|
|
return
|
|
case v.kind
|
|
of ValidatorKind.Local:
|
|
SignatureResult.ok(get_builder_signature(
|
|
fork, validatorRegistration, v.data.privateKey).toValidatorSig())
|
|
of ValidatorKind.Remote:
|
|
let request = Web3SignerRequest.init(
|
|
fork, ZERO_HASH, validatorRegistration)
|
|
await v.signData(request)
|