823 lines
33 KiB
Nim
823 lines
33 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2023 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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{.push raises: [].}
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import
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std/[tables, json, streams, sequtils, uri],
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chronos, chronicles, metrics,
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json_serialization/std/net,
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presto, presto/client,
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../spec/[keystore, signatures, helpers, crypto],
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../spec/datatypes/[phase0, altair],
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../spec/eth2_apis/[rest_types, eth2_rest_serialization,
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rest_remote_signer_calls],
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../filepath, ../conf,
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./slashing_protection
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export
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streams, keystore, phase0, altair, tables, uri, crypto,
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rest_types, eth2_rest_serialization, rest_remote_signer_calls,
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slashing_protection
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const
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WEB3_SIGNER_DELAY_TOLERANCE = 3.seconds
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declareGauge validators,
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"Number of validators attached to the beacon node"
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logScope: topics = "val_pool"
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type
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ValidatorKind* {.pure.} = enum
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Local, Remote
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ValidatorAndIndex* = object
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index*: ValidatorIndex
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validator*: Validator
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AttachedValidator* = ref object
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data*: KeystoreData
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case kind*: ValidatorKind
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of ValidatorKind.Local:
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discard
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of ValidatorKind.Remote:
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clients*: seq[(RestClientRef, RemoteSignerInfo)]
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threshold*: uint32
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updated*: bool
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index*: Opt[ValidatorIndex]
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## Validator index which is assigned after the eth1 deposit has been
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## processed - this index is valid across all eth2 forks for fork depths
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## up to ETH1_FOLLOW_DISTANCE - we don't support changing indices.
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activationEpoch*: Epoch
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## Epoch when validator activated - this happens at the time or some time
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## after the validator index has been assigned depending on how many
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## validators are in the activation queue - this is the first epoch that
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## the validator starts performing duties
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# Cache the latest slot signature - the slot signature is used to determine
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# if the validator will be aggregating (in the near future)
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slotSignature*: Opt[tuple[slot: Slot, signature: ValidatorSig]]
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# For the external payload builder; each epoch, the external payload
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# builder should be informed of current validators
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externalBuilderRegistration*: Opt[SignedValidatorRegistrationV1]
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doppelCheck*: Opt[Epoch]
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## The epoch where doppelganger detection last performed a check
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doppelActivity*: Opt[Epoch]
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## The last time we attempted to perform a duty with this validator
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lastWarning*: Opt[Slot]
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SignResponse* = Web3SignerDataResponse
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SignatureResult* = Result[ValidatorSig, string]
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SyncCommitteeMessageResult* = Result[SyncCommitteeMessage, string]
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ValidatorPool* = object
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validators*: Table[ValidatorPubKey, AttachedValidator]
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slashingProtection*: SlashingProtectionDB
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doppelgangerDetectionEnabled*: bool
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AddValidatorProc* = proc(keystore: KeystoreData) {.gcsafe, raises: [].}
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template pubkey*(v: AttachedValidator): ValidatorPubKey =
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v.data.pubkey
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func shortLog*(v: AttachedValidator): string =
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case v.kind
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of ValidatorKind.Local:
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shortLog(v.pubkey)
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of ValidatorKind.Remote:
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shortLog(v.pubkey)
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func init*(T: type ValidatorPool,
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slashingProtectionDB: SlashingProtectionDB,
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doppelgangerDetectionEnabled: bool): T =
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## Initialize the validator pool and the slashing protection service
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## `genesis_validators_root` is used as an unique ID for the
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## blockchain
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## `backend` is the KeyValue Store backend
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T(
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slashingProtection: slashingProtectionDB,
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doppelgangerDetectionEnabled: doppelgangerDetectionEnabled)
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template count*(pool: ValidatorPool): int =
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len(pool.validators)
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proc addLocalValidator(
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pool: var ValidatorPool, keystore: KeystoreData,
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feeRecipient: Eth1Address, gasLimit: uint64): AttachedValidator =
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doAssert keystore.kind == KeystoreKind.Local
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let v = AttachedValidator(
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kind: ValidatorKind.Local,
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data: keystore,
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externalBuilderRegistration: Opt.none SignedValidatorRegistrationV1,
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activationEpoch: FAR_FUTURE_EPOCH
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)
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pool.validators[v.pubkey] = v
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# Fee recipient may change after startup, but we log the initial value here
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notice "Local validator attached",
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pubkey = v.pubkey,
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validator = shortLog(v),
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initial_fee_recipient = feeRecipient.toHex(),
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initial_gas_limit = gasLimit
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validators.set(pool.count().int64)
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v
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proc addRemoteValidator(pool: var ValidatorPool, keystore: KeystoreData,
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clients: seq[(RestClientRef, RemoteSignerInfo)],
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feeRecipient: Eth1Address,
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gasLimit: uint64): AttachedValidator =
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doAssert keystore.kind == KeystoreKind.Remote
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let v = AttachedValidator(
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kind: ValidatorKind.Remote,
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data: keystore,
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clients: clients,
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externalBuilderRegistration: Opt.none SignedValidatorRegistrationV1,
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activationEpoch: FAR_FUTURE_EPOCH,
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)
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pool.validators[v.pubkey] = v
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if RemoteKeystoreFlag.DynamicKeystore in keystore.flags:
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notice "Dynamic remote validator attached", pubkey = v.pubkey,
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validator = shortLog(v), remote_signer = $keystore.remotes,
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initial_fee_recipient = feeRecipient.toHex(),
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initial_gas_limit = gasLimit
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else:
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notice "Remote validator attached", pubkey = v.pubkey,
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validator = shortLog(v), remote_signer = $keystore.remotes,
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initial_fee_recipient = feeRecipient.toHex(),
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initial_gas_limit = gasLimit
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validators.set(pool.count().int64)
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v
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proc addRemoteValidator(pool: var ValidatorPool,
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keystore: KeystoreData,
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feeRecipient: Eth1Address,
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gasLimit: uint64): AttachedValidator =
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let
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httpFlags =
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if RemoteKeystoreFlag.IgnoreSSLVerification in keystore.flags:
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{HttpClientFlag.NoVerifyHost, HttpClientFlag.NoVerifyServerName}
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else:
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{}
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prestoFlags = {RestClientFlag.CommaSeparatedArray}
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socketFlags = {SocketFlags.TcpNoDelay}
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clients =
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block:
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var res: seq[(RestClientRef, RemoteSignerInfo)]
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for remote in keystore.remotes:
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let client = RestClientRef.new(
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$remote.url, prestoFlags, httpFlags, socketFlags = socketFlags)
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if client.isErr():
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# TODO keep trying in case of temporary network failure
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warn "Unable to resolve distributed signer address",
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remote_url = $remote.url, validator = $remote.pubkey
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else:
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res.add((client.get(), remote))
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res
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pool.addRemoteValidator(keystore, clients, feeRecipient, gasLimit)
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proc addValidator*(pool: var ValidatorPool,
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keystore: KeystoreData,
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feeRecipient: Eth1Address,
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gasLimit: uint64): AttachedValidator =
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pool.validators.withValue(keystore.pubkey, v):
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notice "Adding already-known validator", validator = shortLog(v[])
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return v[]
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case keystore.kind
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of KeystoreKind.Local:
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pool.addLocalValidator(keystore, feeRecipient, gasLimit)
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of KeystoreKind.Remote:
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pool.addRemoteValidator(keystore, feeRecipient, gasLimit)
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func getValidator*(pool: ValidatorPool,
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validatorKey: ValidatorPubKey): Opt[AttachedValidator] =
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let v = pool.validators.getOrDefault(validatorKey)
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if v == nil: Opt.none(AttachedValidator) else: Opt.some(v)
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func contains*(pool: ValidatorPool, pubkey: ValidatorPubKey): bool =
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## Returns ``true`` if validator with key ``pubkey`` present in ``pool``.
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pool.validators.contains(pubkey)
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proc removeValidator*(pool: var ValidatorPool, pubkey: ValidatorPubKey) =
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## Delete validator with public key ``pubkey`` from ``pool``.
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let validator = pool.validators.getOrDefault(pubkey)
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if not(isNil(validator)):
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pool.validators.del(pubkey)
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case validator.kind
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of ValidatorKind.Local:
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notice "Local validator detached", pubkey, validator = shortLog(validator)
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of ValidatorKind.Remote:
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if RemoteKeystoreFlag.DynamicKeystore in validator.data.flags:
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notice "Dynamic remote validator detached", pubkey,
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validator = shortLog(validator)
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else:
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notice "Remote validator detached", pubkey,
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validator = shortLog(validator)
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validators.set(pool.count().int64)
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func needsUpdate*(validator: AttachedValidator): bool =
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validator.index.isNone() or validator.activationEpoch == FAR_FUTURE_EPOCH
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proc updateValidator*(
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validator: AttachedValidator, validatorData: Opt[ValidatorAndIndex]) =
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defer: validator.updated = true
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let
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data = validatorData.valueOr:
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if not validator.updated:
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notice "Validator deposit not yet processed, monitoring",
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pubkey = validator.pubkey
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return
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index = data.index
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activationEpoch = data.validator.activation_epoch
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## Update activation information for a validator
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if validator.index != Opt.some data.index:
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validator.index = Opt.some data.index
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if validator.activationEpoch != data.validator.activation_epoch:
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# In theory, activation epoch could change but that's rare enough that it
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# shouldn't practically matter for the current uses
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info "Validator activation updated",
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validator = shortLog(validator), pubkey = validator.pubkey, index,
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activationEpoch
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validator.activationEpoch = activationEpoch
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proc close*(pool: var ValidatorPool) =
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## Unlock and close all validator keystore's files managed by ``pool``.
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for validator in pool.validators.values():
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let res = validator.data.handle.closeLockedFile()
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if res.isErr():
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notice "Could not unlock validator's keystore file",
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pubkey = validator.pubkey, validator = shortLog(validator)
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pool.validators.clear()
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iterator indices*(pool: ValidatorPool): ValidatorIndex =
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for item in pool.validators.values():
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if item.index.isSome():
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yield item.index.get()
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iterator items*(pool: ValidatorPool): AttachedValidator =
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for item in pool.validators.values():
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yield item
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proc doppelgangerChecked*(validator: AttachedValidator, epoch: Epoch) =
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## Call when the validator was checked for activity in the given epoch
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if validator.doppelCheck.isNone():
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debug "Doppelganger first check",
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validator = shortLog(validator), epoch
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else:
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let check = validator.doppelCheck.get()
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if check > epoch:
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# Shouldn't happen but due to `await`, it may - consider turning into
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# assert
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debug "Doppelganger reordered check",
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validator = shortLog(validator), check, epoch
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return
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if check - epoch > 1:
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debug "Doppelganger stale check",
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validator = shortLog(validator), check, epoch
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validator.doppelCheck = Opt.some epoch
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proc doppelgangerActivity*(validator: AttachedValidator, epoch: Epoch) =
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## Call when we performed a doppelganger-monitored activity in the epoch
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if validator.doppelActivity.isNone():
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debug "Doppelganger first activity",
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validator = shortLog(validator), epoch
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else:
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let activity = validator.doppelActivity.get()
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if activity > epoch:
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# Shouldn't happen but due to `await`, it may - consider turning into
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# assert
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debug "Doppelganger reordered activity",
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validator = shortLog(validator), activity, epoch
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return
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if epoch - activity > 1:
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# We missed work in some epoch
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debug "Doppelganger stale activity",
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validator = shortLog(validator), activity, epoch
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validator.doppelActivity = Opt.some epoch
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func triggersDoppelganger*(v: AttachedValidator, epoch: Epoch): bool =
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## Returns true iff we have proof that an activity in the given epoch
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## triggers doppelganger detection: this means the network was active for this
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## validator during the given epoch (via doppelgangerChecked) but the activity
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## did not originate from this instance.
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if v.doppelActivity.isSome() and v.doppelActivity.get() >= epoch:
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false # This was our own activity
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elif v.doppelCheck.isNone():
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false # Can't prove that the activity triggers the check
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else:
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v.doppelCheck.get() == epoch
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func doppelgangerReady*(validator: AttachedValidator, slot: Slot): bool =
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## Returns true iff the validator has passed doppelganger detection by being
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## monitored in the previous epoch (or the given epoch is the activation
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## epoch, in which case we always consider it ready)
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##
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## If we checked doppelganger, we allow the check to lag by one slot to avoid
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## a race condition where the check for epoch N is ongoing and block
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## block production for slot_start(N+1) is about to happen
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let epoch = slot.epoch
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epoch == validator.activationEpoch or
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(validator.doppelCheck.isSome and
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(((validator.doppelCheck.get() + 1) == epoch) or
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(((validator.doppelCheck.get() + 2).start_slot) == slot)))
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proc getValidatorForDuties*(
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pool: ValidatorPool, key: ValidatorPubKey, slot: Slot,
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slashingSafe: bool):
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Opt[AttachedValidator] =
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## Return validator only if it is ready for duties (has index and has passed
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## doppelganger check where applicable)
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let validator = ? pool.getValidator(key)
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if validator.index.isNone():
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return Opt.none(AttachedValidator)
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# Sync committee duties are not slashable, so we perform them even during
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# doppelganger detection
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if pool.doppelgangerDetectionEnabled and
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not validator.doppelgangerReady(slot) and
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not slashingSafe:
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notice "Doppelganger detection active - " &
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"skipping validator duties while observing the network",
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validator = shortLog(validator),
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slot,
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doppelCheck = validator.doppelCheck,
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activationEpoch = shortLog(validator.activationEpoch)
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return Opt.none(AttachedValidator)
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return Opt.some(validator)
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func triggersDoppelganger*(
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pool: ValidatorPool, pubkey: ValidatorPubKey, epoch: Epoch): bool =
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let v = pool.getValidator(pubkey)
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v.isSome() and v[].triggersDoppelganger(epoch)
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proc updateDynamicValidators*(pool: ref ValidatorPool,
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web3signerUrl: Web3SignerUrl,
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keystores: openArray[KeystoreData],
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addProc: AddValidatorProc) =
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var
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keystoresTable: Table[ValidatorPubKey, Opt[KeystoreData]]
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deleteValidators: seq[ValidatorPubKey]
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for keystore in keystores:
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keystoresTable[keystore.pubkey] = Opt.some(keystore)
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# We preserve `Local` and `Remote` keystores which are not from dynamic set,
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# and also we removing all the dynamic keystores which are not part of new
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# dynamic set.
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for validator in pool[].items():
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if validator.kind == ValidatorKind.Remote:
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if RemoteKeystoreFlag.DynamicKeystore in validator.data.flags:
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let keystore = keystoresTable.getOrDefault(validator.pubkey)
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if keystore.isSome():
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# Just update validator's `data` field with new data from keystore.
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validator.data = keystore.get()
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elif validator.data.remotes[0].url == HttpHostUri(web3signerUrl.url):
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# The "dynamic" keystores are guaratneed to not be distributed
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# so they have a single remote. This code ensures that we are
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# deleting all previous dynamically obtained keystores which
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# were associated with a particular Web3Signer when the same
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# signer no longer serves them.
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deleteValidators.add(validator.pubkey)
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for pubkey in deleteValidators:
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pool[].removeValidator(pubkey)
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# Adding new dynamic keystores.
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for keystore in keystores.items():
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let res = pool[].getValidator(keystore.pubkey)
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if res.isSome():
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let validator = res.get()
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if validator.kind != ValidatorKind.Remote or
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RemoteKeystoreFlag.DynamicKeystore notin validator.data.flags:
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warn "Attempt to replace local validator with dynamic remote validator",
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pubkey = validator.pubkey, validator = shortLog(validator),
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remote_signer = $keystore.remotes,
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local_validator_kind = validator.kind
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else:
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addProc(keystore)
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proc signWithDistributedKey(v: AttachedValidator,
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request: Web3SignerRequest): Future[SignatureResult]
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{.async.} =
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doAssert v.data.threshold <= uint32(v.clients.len)
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let
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deadline = sleepAsync(WEB3_SIGNER_DELAY_TOLERANCE)
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signatureReqs = mapIt(v.clients, it[0].signData(it[1].pubkey, deadline,
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2, request))
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await allFutures(signatureReqs)
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if not(deadline.finished()): await cancelAndWait(deadline)
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var shares: seq[SignatureShare]
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var neededShares = v.data.threshold
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for i, req in signatureReqs:
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template shareInfo: untyped = v.clients[i][1]
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if req.completed() and req.read.isOk:
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shares.add req.read.get.toSignatureShare(shareInfo.id)
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neededShares = neededShares - 1
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else:
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warn "Failed to obtain signature from remote signer",
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pubkey = shareInfo.pubkey,
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signerUrl = $(v.clients[i][0].address),
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reason = req.read.error.message,
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kind = req.read.error.kind
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if neededShares == 0:
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let recovered = shares.recoverSignature()
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return SignatureResult.ok recovered.toValidatorSig
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return SignatureResult.err "Not enough shares to recover the signature"
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proc signWithSingleKey(v: AttachedValidator,
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request: Web3SignerRequest): Future[SignatureResult] {.
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async.} =
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doAssert v.clients.len == 1
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let
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deadline = sleepAsync(WEB3_SIGNER_DELAY_TOLERANCE)
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(client, info) = v.clients[0]
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res = await client.signData(info.pubkey, deadline, 2, request)
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if not(deadline.finished()): await cancelAndWait(deadline)
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if res.isErr():
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return SignatureResult.err(res.error.message)
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else:
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return SignatureResult.ok(res.get().toValidatorSig())
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proc signData(v: AttachedValidator,
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request: Web3SignerRequest): Future[SignatureResult] =
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doAssert v.kind == ValidatorKind.Remote
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debug "Signing request with remote signer",
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validator = shortLog(v), kind = request.kind
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if v.clients.len == 1:
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v.signWithSingleKey(request)
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else:
|
|
v.signWithDistributedKey(request)
|
|
|
|
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.3/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)
|