nimbus-eth2/beacon_chain/spec/mev/capella_mev.nim

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# beacon_chain
# Copyright (c) 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 ".."/datatypes/[altair, capella]
from stew/byteutils import to0xHex
from ../datatypes/bellatrix import ExecutionAddress
type
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#validatorregistrationv1
ValidatorRegistrationV1* = object
fee_recipient*: ExecutionAddress
gas_limit*: uint64
timestamp*: uint64
pubkey*: ValidatorPubKey
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#signedvalidatorregistrationv1
SignedValidatorRegistrationV1* = object
message*: ValidatorRegistrationV1
signature*: ValidatorSig
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#builderbid
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/capella/builder.md#executionpayloadheader
BuilderBid* = object
header*: capella.ExecutionPayloadHeader # [Modified in Capella]
value*: UInt256
pubkey*: ValidatorPubKey
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#signedbuilderbid
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/capella/builder.md#executionpayloadheader
SignedBuilderBid* = object
message*: BuilderBid # [Modified in Capella]
signature*: ValidatorSig
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/capella/builder.md#blindedbeaconblockbody
BlindedBeaconBlockBody* = object
randao_reveal*: ValidatorSig
eth1_data*: Eth1Data
graffiti*: GraffitiBytes
proposer_slashings*: List[ProposerSlashing, Limit MAX_PROPOSER_SLASHINGS]
attester_slashings*: List[AttesterSlashing, Limit MAX_ATTESTER_SLASHINGS]
attestations*: List[Attestation, Limit MAX_ATTESTATIONS]
deposits*: List[Deposit, Limit MAX_DEPOSITS]
voluntary_exits*: List[SignedVoluntaryExit, Limit MAX_VOLUNTARY_EXITS]
sync_aggregate*: SyncAggregate
execution_payload_header*:
capella.ExecutionPayloadHeader # [Modified in Capella]
bls_to_execution_changes*:
List[SignedBLSToExecutionChange,
Limit MAX_BLS_TO_EXECUTION_CHANGES] # [New in Capella]
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#blindedbeaconblock
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/capella/builder.md#blindedbeaconblockbody
BlindedBeaconBlock* = object
slot*: Slot
proposer_index*: uint64
parent_root*: Eth2Digest
state_root*: Eth2Digest
body*: BlindedBeaconBlockBody # [Modified in Capella]
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#signedblindedbeaconblock
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/capella/builder.md#blindedbeaconblockbody
SignedBlindedBeaconBlock* = object
message*: BlindedBeaconBlock
signature*: ValidatorSig
const
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/builder.md#domain-types
DOMAIN_APPLICATION_BUILDER* = DomainType([byte 0x00, 0x00, 0x00, 0x01])
# https://github.com/ethereum/builder-specs/blob/v0.3.0/specs/bellatrix/validator.md#constants
EPOCHS_PER_VALIDATOR_REGISTRATION_SUBMISSION* = 1
# Spec is 1 second, but mev-boost indirection can induce delay when the relay
# itself has already consumed the entire second.
BUILDER_PROPOSAL_DELAY_TOLERANCE* = 1500.milliseconds
func shortLog*(v: BlindedBeaconBlock): auto =
(
slot: shortLog(v.slot),
proposer_index: v.proposer_index,
parent_root: shortLog(v.parent_root),
state_root: shortLog(v.state_root),
eth1data: v.body.eth1_data,
graffiti: $v.body.graffiti,
proposer_slashings_len: v.body.proposer_slashings.len(),
attester_slashings_len: v.body.attester_slashings.len(),
attestations_len: v.body.attestations.len(),
deposits_len: v.body.deposits.len(),
voluntary_exits_len: v.body.voluntary_exits.len(),
sync_committee_participants: v.body.sync_aggregate.num_active_participants,
block_number: v.body.execution_payload_header.block_number,
# TODO checksum hex? shortlog?
fee_recipient: to0xHex(v.body.execution_payload_header.fee_recipient.data),
bls_to_execution_changes_len: v.body.bls_to_execution_changes.len(),
blob_kzg_commitments_len: 0, # Deneb compat
)
func shortLog*(v: SignedBlindedBeaconBlock): auto =
(
blck: shortLog(v.message),
signature: shortLog(v.signature)
)