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rm CrystallizedState, add ShardReassignmentRecord, add BeaconState

This commit is contained in:
Dustin Brody 2018-11-15 10:01:54 -08:00
parent 9ea109ba4c
commit 150d0b6055
1 changed files with 27 additions and 15 deletions
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beacon_chain/datatypes.nim
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@ -49,25 +49,15 @@ type
attestations*: seq[AttestationRecord] # Attestation votes
parent_hash*: Blake2_256_Digest # Hash of the parent block
CrystallizedState* = object
validators*: seq[ValidatorRecord] # List of active validators
last_state_recalc*: uint64 # Last CrystallizedState recalculation
shard_and_committee_for_slots*: seq[seq[ShardAndCommittee]]
# What active validators are part of the attester set
# at what height, and in what shard. Starts at slot
# last_state_recalc - CYCLE_LENGTH
last_justified_slot*: int64 # The last justified slot
justified_streak*: int16 # Number of consecutive justified slots ending at this one
last_finalized_slot*: int64 # The last finalized slot
current_dynasty*: int64 # The current dynasty
crosslink_records*: seq[CrosslinkRecord] # Records about the most recent crosslink for each shard
dynasty_seed*: Blake2_256_Digest # Used to select the committees for each shard
dynasty_seed_last_reset*: int64 # Last epoch the crosslink seed was reset
ShardAndCommittee* = object
shard_id*: int16 # The shard ID
committee*: seq[Uint24] # Validator indices
ShardReassignmentRecord* = object
validator_index*: Uint24 # Which validator to reassign
shard*: uint16 # To which shard
slot*: uint64 # When
ValidatorRecord* = object
pubkey*: BLSPublicKey # The validator's public key
withdrawal_shard*: int16 # What shard the validator's balance will be sent to after withdrawal
@ -103,6 +93,28 @@ type
shard_block_combined_data_root*: Blake2_256_Digest # Root of data between last hash and this one
justified_slot*: uint64 # Slot of last justified beacon block referenced in the attestation
BeaconState* = object
validator_set_change_slot*: uint64 # Slot of last validator set change
validators*: seq[ValidatorRecord] # List of validators
crosslinks*: seq[CrosslinkRecord] # Most recent crosslink for each shard
last_state_recalculation_slot*: uint64 # Last cycle-boundary state recalculation
last_finalized_slot*: uint64 # Last finalized slot
last_justified_slot*: uint64 # Last justified slot
justified_streak*: uint64 # Number of consecutive justified slots
shard_and_committee_for_slots*: seq[ShardAndCommittee] # Committee members and their assigned shard, per slot
persistent_committees*: Uint24 # Persistent shard committees
persistent_committee_reassignments*: seq[ShardReassignmentRecord]
next_shuffling_seed*: Blake2_256_Digest # Randao seed used for next shuffling
deposits_penalized_in_period*: uint32 # Total deposits penalized in the given withdrawal period
validator_set_delta_hash_chain*: Blake2_256_Digest # Hash chain of validator set changes (for light clients to easily track deltas)
pre_fork_version*: uint32 # Parameters relevant to hard forks / versioning.
post_fork_version*: uint32 # Should be updated only by hard forks.
fork_slot_number*: uint64
pending_attestations*: seq[AttestationRecord] # Attestations not yet processed
pending_specials*: seq[SpecialRecord] # Specials not yet been processed
recent_block_hashes*: Blake2_256_Digest # recent beacon block hashes needed to process attestations, older to newer
randao_mix*: Blake2_256_Digest # RANDAO state
ValidatorStatusCodes* {.pure.} = enum
PendingActivation = 0
Active = 1