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add compounding withdrawal helpers (#6217)

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tersec 2024-04-18 12:12:37 +02:00 committed by GitHub
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commit e4b0e24614
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17
beacon_chain/spec/beaconstate.nim
View File

@ -856,6 +856,23 @@ func is_partially_withdrawable_validator(
has_eth1_withdrawal_credential(validator) and
has_max_effective_balance and has_excess_balance
# https://github.com/ethereum/consensus-specs/blob/82133085a1295e93394ebdf71df8f2f6e0962588/specs/electra/beacon-chain.md#new-is_compounding_withdrawal_credential
func is_compounding_withdrawal_credential(
withdrawal_credentials: Eth2Digest): bool =
withdrawal_credentials.data[0] == COMPOUNDING_WITHDRAWAL_PREFIX
# https://github.com/ethereum/consensus-specs/blob/82133085a1295e93394ebdf71df8f2f6e0962588/specs/electra/beacon-chain.md#new-has_compounding_withdrawal_credential
func has_compounding_withdrawal_credential(validator: Validator): bool =
## Check if ``validator`` has an 0x02 prefixed "compounding" withdrawal
## credential.
is_compounding_withdrawal_credential(validator.withdrawal_credentials)
# https://github.com/ethereum/consensus-specs/blob/82133085a1295e93394ebdf71df8f2f6e0962588/specs/electra/beacon-chain.md#new-has_execution_withdrawal_credential
func has_execution_withdrawal_credential(validator: Validator): bool =
## Check if ``validator`` has a 0x01 or 0x02 prefixed withdrawal credential.
has_compounding_withdrawal_credential(validator) or
has_eth1_withdrawal_credential(validator)
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/beacon-chain.md#new-get_expected_withdrawals
func get_expected_withdrawals*(
state: capella.BeaconState | deneb.BeaconState | electra.BeaconState):

6
beacon_chain/spec/datatypes/constants.nim
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@ -58,6 +58,9 @@ const
# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/capella/beacon-chain.md#domain-types
DOMAIN_BLS_TO_EXECUTION_CHANGE* = DomainType([byte 0x0a, 0x00, 0x00, 0x00])
# https://github.com/ethereum/consensus-specs/blob/82133085a1295e93394ebdf71df8f2f6e0962588/specs/electra/beacon-chain.md#domains
DOMAIN_CONSOLIDATION* = DomainType([byte 0x0b, 0x00, 0x00, 0x00])
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/phase0/fork-choice.md#configuration
PROPOSER_SCORE_BOOST*: uint64 = 40
REORG_HEAD_WEIGHT_THRESHOLD*: uint64 = 20
@ -79,3 +82,6 @@ const
# https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/deneb/p2p-interface.md#configuration
MAX_REQUEST_BLOCKS_DENEB*: uint64 = 128 # TODO Make use of in request code
# https://github.com/ethereum/consensus-specs/blob/82133085a1295e93394ebdf71df8f2f6e0962588/specs/electra/beacon-chain.md#withdrawal-prefixes
COMPOUNDING_WITHDRAWAL_PREFIX* = 0x02