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

173 lines
7.7 KiB
Nim

# beacon_chain
# Copyright (c) 2023-2024 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 ".."/datatypes/[altair, deneb]
from stew/byteutils import to0xHex
from ".."/datatypes/phase0 import Attestation
from ../datatypes/bellatrix import ExecutionAddress
from ".."/datatypes/capella import SignedBLSToExecutionChange
from ".."/eth2_merkleization import hash_tree_root
type
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#validatorregistrationv1
ValidatorRegistrationV1* = object
fee_recipient*: ExecutionAddress
gas_limit*: uint64
timestamp*: uint64
pubkey*: ValidatorPubKey
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#signedvalidatorregistrationv1
SignedValidatorRegistrationV1* = object
message*: ValidatorRegistrationV1
signature*: ValidatorSig
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/deneb/builder.md#builderbid
BuilderBid* = object
header*: deneb.ExecutionPayloadHeader # [Modified in Deneb]
blob_kzg_commitments*: KzgCommitments # [New in Deneb]
value*: UInt256
pubkey*: ValidatorPubKey
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#signedbuilderbid
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/deneb/builder.md#executionpayloadheader
SignedBuilderBid* = object
message*: BuilderBid
signature*: ValidatorSig
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/deneb/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*: deneb.ExecutionPayloadHeader
bls_to_execution_changes*:
List[SignedBLSToExecutionChange,
Limit MAX_BLS_TO_EXECUTION_CHANGES]
blob_kzg_commitments*: KzgCommitments # [New in Deneb]
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#blindedbeaconblock
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/deneb/builder.md#blindedbeaconblockbody
BlindedBeaconBlock* = object
slot*: Slot
proposer_index*: uint64
parent_root*: Eth2Digest
state_root*: Eth2Digest
body*: BlindedBeaconBlockBody # [Modified in Deneb]
MaybeBlindedBeaconBlock* = object
case isBlinded*: bool
of false:
data*: deneb.BlockContents
of true:
blindedData*: BlindedBeaconBlock
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#signedblindedbeaconblock
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/capella/builder.md#blindedbeaconblockbody
SignedBlindedBeaconBlock* = object
message*: BlindedBeaconBlock
signature*: ValidatorSig
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/deneb/builder.md#executionpayloadandblobsbundle
ExecutionPayloadAndBlobsBundle* = object
execution_payload*: deneb.ExecutionPayload
blobs_bundle*: BlobsBundle
# Not spec, but suggested by spec
BlindedExecutionPayloadAndBlobsBundle* = object
execution_payload_header*: deneb.ExecutionPayloadHeader
blob_kzg_commitments*: KzgCommitments # [New in Deneb]
const
# https://github.com/ethereum/builder-specs/blob/v0.4.0/specs/bellatrix/builder.md#domain-types
DOMAIN_APPLICATION_BUILDER* = DomainType([byte 0x00, 0x00, 0x00, 0x01])
# https://github.com/ethereum/builder-specs/blob/v0.4.0/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?
block_hash: to0xHex(v.body.execution_payload_header.block_hash.data),
parent_hash: to0xHex(v.body.execution_payload_header.parent_hash.data),
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)
)
func toSignedBlindedBeaconBlock*(blck: deneb.SignedBeaconBlock):
SignedBlindedBeaconBlock =
SignedBlindedBeaconBlock(
message: BlindedBeaconBlock(
slot: blck.message.slot,
proposer_index: blck.message.proposer_index,
parent_root: blck.message.parent_root,
state_root: blck.message.state_root,
body: BlindedBeaconBlockBody(
randao_reveal: blck.message.body.randao_reveal,
eth1_data: blck.message.body.eth1_data,
graffiti: blck.message.body.graffiti,
proposer_slashings: blck.message.body.proposer_slashings,
attester_slashings: blck.message.body.attester_slashings,
attestations: blck.message.body.attestations,
deposits: blck.message.body.deposits,
voluntary_exits: blck.message.body.voluntary_exits,
sync_aggregate: blck.message.body.sync_aggregate,
execution_payload_header: ExecutionPayloadHeader(
parent_hash: blck.message.body.execution_payload.parent_hash,
fee_recipient: blck.message.body.execution_payload.fee_recipient,
state_root: blck.message.body.execution_payload.state_root,
receipts_root: blck.message.body.execution_payload.receipts_root,
logs_bloom: blck.message.body.execution_payload.logs_bloom,
prev_randao: blck.message.body.execution_payload.prev_randao,
block_number: blck.message.body.execution_payload.block_number,
gas_limit: blck.message.body.execution_payload.gas_limit,
gas_used: blck.message.body.execution_payload.gas_used,
timestamp: blck.message.body.execution_payload.timestamp,
extra_data: blck.message.body.execution_payload.extra_data,
base_fee_per_gas:
blck.message.body.execution_payload.base_fee_per_gas,
block_hash: blck.message.body.execution_payload.block_hash,
transactions_root:
hash_tree_root(blck.message.body.execution_payload.transactions),
withdrawals_root:
hash_tree_root(blck.message.body.execution_payload.withdrawals)),
bls_to_execution_changes: blck.message.body.bls_to_execution_changes,
blob_kzg_commitments: blck.message.body.blob_kzg_commitments)),
signature: blck.signature)