198 lines
6.8 KiB
Nim
198 lines
6.8 KiB
Nim
# beacon_chain
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# Copyright (c) 2021 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: [Defect].}
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import
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stew/[assign2, results],
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serialization,
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eth/db/kvstore,
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./spec/datatypes/[base, altair, merge],
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./spec/[eth2_ssz_serialization, eth2_merkleization]
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type
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# https://github.com/ethereum/consensus-specs/blob/v1.1.3/specs/phase0/beacon-chain.md#beaconstate
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# Memory-representation-equivalent to a phase0 BeaconState for in-place SSZ reading and writing
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BeaconStateNoImmutableValidators* = object
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# Versioning
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genesis_time*: uint64
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genesis_validators_root*: Eth2Digest
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slot*: Slot
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fork*: Fork
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# History
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latest_block_header*: BeaconBlockHeader ##\
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## `latest_block_header.state_root == ZERO_HASH` temporarily
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block_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest] ##\
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## Needed to process attestations, older to newer
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state_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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historical_roots*: HashList[Eth2Digest, Limit HISTORICAL_ROOTS_LIMIT]
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# Eth1
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eth1_data*: Eth1Data
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eth1_data_votes*:
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HashList[Eth1Data, Limit(EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH)]
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eth1_deposit_index*: uint64
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# Registry
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validators*: HashList[ValidatorStatus, Limit VALIDATOR_REGISTRY_LIMIT]
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balances*: HashList[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
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# Randomness
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randao_mixes*: HashArray[Limit EPOCHS_PER_HISTORICAL_VECTOR, Eth2Digest]
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# Slashings
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slashings*: HashArray[Limit EPOCHS_PER_SLASHINGS_VECTOR, uint64] ##\
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## Per-epoch sums of slashed effective balances
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# Attestations
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previous_epoch_attestations*:
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HashList[PendingAttestation, Limit(MAX_ATTESTATIONS * SLOTS_PER_EPOCH)]
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current_epoch_attestations*:
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HashList[PendingAttestation, Limit(MAX_ATTESTATIONS * SLOTS_PER_EPOCH)]
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# Finality
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justification_bits*: uint8 ##\
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## Bit set for every recent justified epoch
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## Model a Bitvector[4] as a one-byte uint, which should remain consistent
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## with ssz/hashing.
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previous_justified_checkpoint*: Checkpoint ##\
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## Previous epoch snapshot
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current_justified_checkpoint*: Checkpoint
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finalized_checkpoint*: Checkpoint
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# https://github.com/ethereum/consensus-specs/blob/v1.1.3/specs/altair/beacon-chain.md#beaconstate
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# Memory-representation-equivalent to an Altair BeaconState for in-place SSZ
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# reading and writing
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AltairBeaconStateNoImmutableValidators* = object
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# Versioning
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genesis_time*: uint64
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genesis_validators_root*: Eth2Digest
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slot*: Slot
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fork*: Fork
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# History
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latest_block_header*: BeaconBlockHeader ##\
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## `latest_block_header.state_root == ZERO_HASH` temporarily
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block_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest] ##\
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## Needed to process attestations, older to newer
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state_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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historical_roots*: HashList[Eth2Digest, Limit HISTORICAL_ROOTS_LIMIT]
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# Eth1
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eth1_data*: Eth1Data
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eth1_data_votes*:
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HashList[Eth1Data, Limit(EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH)]
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eth1_deposit_index*: uint64
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# Registry
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validators*: HashList[ValidatorStatus, Limit VALIDATOR_REGISTRY_LIMIT]
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balances*: HashList[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
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# Randomness
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randao_mixes*: HashArray[Limit EPOCHS_PER_HISTORICAL_VECTOR, Eth2Digest]
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# Slashings
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slashings*: HashArray[Limit EPOCHS_PER_SLASHINGS_VECTOR, uint64] ##\
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## Per-epoch sums of slashed effective balances
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# Participation
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previous_epoch_participation*:
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HashList[ParticipationFlags, Limit VALIDATOR_REGISTRY_LIMIT]
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current_epoch_participation*:
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HashList[ParticipationFlags, Limit VALIDATOR_REGISTRY_LIMIT]
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# Finality
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justification_bits*: uint8 ##\
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## Bit set for every recent justified epoch
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## Model a Bitvector[4] as a one-byte uint, which should remain consistent
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## with ssz/hashing.
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previous_justified_checkpoint*: Checkpoint ##\
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## Previous epoch snapshot
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current_justified_checkpoint*: Checkpoint
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finalized_checkpoint*: Checkpoint
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# Inactivity
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inactivity_scores*: HashList[uint64, Limit VALIDATOR_REGISTRY_LIMIT] # [New in Altair]
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# Light client sync committees
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current_sync_committee*: SyncCommittee # [New in Altair]
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next_sync_committee*: SyncCommittee # [New in Altair]
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# https://github.com/ethereum/consensus-specs/blob/v1.1.3/specs/merge/beacon-chain.md#beaconstate
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# Memory-representation-equivalent to a Merge BeaconState for in-place SSZ
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# reading and writing
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MergeBeaconStateNoImmutableValidators* = object
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# Versioning
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genesis_time*: uint64
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genesis_validators_root*: Eth2Digest
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slot*: Slot
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fork*: Fork
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# History
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latest_block_header*: BeaconBlockHeader ##\
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## `latest_block_header.state_root == ZERO_HASH` temporarily
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block_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest] ##\
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## Needed to process attestations, older to newer
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state_roots*: HashArray[Limit SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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historical_roots*: HashList[Eth2Digest, Limit HISTORICAL_ROOTS_LIMIT]
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# Eth1
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eth1_data*: Eth1Data
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eth1_data_votes*:
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HashList[Eth1Data, Limit(EPOCHS_PER_ETH1_VOTING_PERIOD * SLOTS_PER_EPOCH)]
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eth1_deposit_index*: uint64
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# Registry
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validators*: HashList[ValidatorStatus, Limit VALIDATOR_REGISTRY_LIMIT]
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balances*: HashList[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
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# Randomness
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randao_mixes*: HashArray[Limit EPOCHS_PER_HISTORICAL_VECTOR, Eth2Digest]
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# Slashings
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slashings*: HashArray[Limit EPOCHS_PER_SLASHINGS_VECTOR, uint64] ##\
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## Per-epoch sums of slashed effective balances
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# Participation
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previous_epoch_participation*:
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HashList[ParticipationFlags, Limit VALIDATOR_REGISTRY_LIMIT]
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current_epoch_participation*:
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HashList[ParticipationFlags, Limit VALIDATOR_REGISTRY_LIMIT]
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# Finality
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justification_bits*: uint8 ##\
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## Bit set for every recent justified epoch
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## Model a Bitvector[4] as a one-byte uint, which should remain consistent
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## with ssz/hashing.
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previous_justified_checkpoint*: Checkpoint ##\
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## Previous epoch snapshot
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current_justified_checkpoint*: Checkpoint
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finalized_checkpoint*: Checkpoint
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# Inactivity
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inactivity_scores*: HashList[uint64, Limit VALIDATOR_REGISTRY_LIMIT]
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# Sync
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current_sync_committee*: SyncCommittee
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next_sync_committee*: SyncCommittee
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# Execution
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latest_execution_payload_header*: ExecutionPayloadHeader # [New in Merge]
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