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update data structures (#17)
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tersec
Jacek Sieka
parent
1c9b0481c9
commit
0fe8c6762c
@ -5,14 +5,11 @@
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# * Apache v2 license (license terms in the root directory or at http://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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# In process of being updated as of spec from 2018-11-05
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# https://github.com/ethereum/eth2.0-specs/tree/59f32978d489020770ae50e6d45450103445c6ad
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#
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# The latest version can be seen here:
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# https://github.com/ethereum/eth2.0-specs/blob/master/specs/beacon-chain.md
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#
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# How wrong the code is:
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# https://github.com/ethereum/eth2.0-specs/compare/59f32978d489020770ae50e6d45450103445c6ad...master
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# https://github.com/ethereum/eth2.0-specs/compare/98312f40b5742de6aa73f24e6225ee68277c4614...master
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import
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intsets, eth_common, math, stint
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@ -39,15 +36,32 @@ type
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BeaconBlock* = object
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slot*: uint64 # Slot number
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randao_reveal*: Blake2_256_Digest # Proposer RANDAO reveal
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pow_chain_reference*: Blake2_256_Digest # Recent PoW chain reference (block hash)
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candidate_pow_receipt_root*: Blake2_256_Digest # Recent PoW chain reference (receipt root)
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ancestor_hashes*: seq[Blake2_256_Digest] # Skip list of previous beacon block hashes
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# i'th item is most recent ancestor whose
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# slot is a multiple of 2**i for
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# i == 0, ..., 31
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active_state_root*: Blake2_256_Digest # Hash of the active state
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crystallized_state_root*: Blake2_256_Digest # Hash of the crystallized state
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attestations*: seq[AttestationRecord] # Attestation votes
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parent_hash*: Blake2_256_Digest # Hash of the parent block
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state_root*: Blake2_256_Digest # State root
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attestations*: seq[AttestationRecord] # Attestations
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specials*: seq[SpecialRecord] # Specials (e.g. logouts, penalties)
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proposer_signature*: Signature # Proposer signature
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ProposalSignedData* = object
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fork_version*: uint64 # Fork version
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slot*: uint64 # Slot number
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shard_id*: uint64 # Shard ID (or `2**64 - 1` for beacon chain)
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block_hash*: Blake2_256_Digest # Block hash
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AttestationSignedData* = object
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fork_version*: uint64 # Fork version
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slot*: uint64 # Slot number
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shard*: uint16 # Shard number
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parent_hashes*: seq[Blake2_256_Digest] # CYCLE_LENGTH parent hashes
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shard_block_hash*: Blake2_256_Digest # Shard block hash
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last_crosslink_hash*: Blake2_256_Digest # Last crosslink hash
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shard_block_combined_data_root*: Blake2_256_Digest
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# Root of data between last hash and this one
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justified_slot*: uint64 # Slot of last justified beacon block referenced in the attestation
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ShardAndCommittee* = object
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shard_id*: uint16 # Shard number
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@ -58,41 +72,24 @@ type
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shard*: uint16 # To which shard
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slot*: uint64 # When
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ValidatorRecord* = object
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pubkey*: BLSPublicKey # BLS public key
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withdrawal_shard*: uint16 # Withdrawal shard number
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withdrawal_address*: EthAddress # Withdrawal address
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randao_commitment*: Blake2_256_Digest # RANDAO commitment
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randao_last_change*: uint64 # Slot the RANDAO commitment was last changed
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balance*: uint64 # Balance in Gwei
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status*: ValidatorStatusCodes # Status code
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exit_slot*: uint64 # Slot when validator exited (or 0)
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CrosslinkRecord* = object
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slot: uint64 # Slot number
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hash: Blake2_256_Digest # Shard chain block hash
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AttestationRecord* = object
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slot*: uint64 # Slot number
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shard*: uint16 # Shard ID
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shard*: uint16 # Shard number
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oblique_parent_hashes*: seq[Blake2_256_Digest]
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# Beacon block hashes not part of the current chain, oldest to newest
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shard_block_hash*: Blake2_256_Digest # Shard block hash being attested to
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last_crosslink_hash*: Blake2_256_Digest # Last crosslink hash
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shard_block_combined_data_root*: Blake2_256_Digest
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# Root of data between last hash and this one
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attester_bitfield*: IntSet # Attester participation bitfield (1 bit per attester)
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justified_slot*: uint64 # Slot of last justified beacon block
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justified_block_hash: Blake2_256_Digest # Hash of last justified beacon block
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aggregate_sig*: Signature # BLS aggregate signature
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AttestationSignedData* = object
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fork_version*: uint64 # Fork version
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slot*: uint64 # Slot number
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shard*: uint16 # Shard number
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parent_hashes*: seq[Blake2_256_Digest]
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# CYCLE_LENGTH parent hashes
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shard_block_hash*: Blake2_256_Digest # Shard block hash
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shard_block_combined_data_root*: Blake2_256_Digest # Root of data between last hash and this one
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justified_slot*: uint64 # Slot of last justified beacon block referenced in the attestation
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BeaconState* = object
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validator_set_change_slot*: uint64 # Slot of last validator set change
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validators*: seq[ValidatorRecord] # List of validators
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@ -107,14 +104,29 @@ type
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next_shuffling_seed*: Blake2_256_Digest # Randao seed used for next shuffling
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deposits_penalized_in_period*: uint32 # Total deposits penalized in the given withdrawal period
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validator_set_delta_hash_chain*: Blake2_256_Digest # Hash chain of validator set changes (for light clients to easily track deltas)
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current_exit_seq*: uint64 # Current sequence number for withdrawals
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genesis_time*: uint64 # Genesis time
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known_pow_receipt_root*: Blake2_256_Digest # PoW chain reference
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candidate_pow_receipt_root*: Blake2_256_Digest
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candidate_pow_receipt_root_votes*: Blake2_256_Digest
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pre_fork_version*: uint32 # Parameters relevant to hard forks / versioning.
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post_fork_version*: uint32 # Should be updated only by hard forks.
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fork_slot_number*: uint64
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pending_attestations*: seq[AttestationRecord] # Attestations not yet processed
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pending_specials*: seq[SpecialRecord] # Specials not yet been processed
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recent_block_hashes*: seq[Blake2_256_Digest] # recent beacon block hashes needed to process attestations, older to newer
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randao_mix*: Blake2_256_Digest # RANDAO state
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ValidatorRecord* = object
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pubkey*: BLSPublicKey # BLS public key
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withdrawal_shard*: uint16 # Withdrawal shard number
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withdrawal_address*: EthAddress # Withdrawal address
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randao_commitment*: Blake2_256_Digest # RANDAO commitment
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randao_last_change*: uint64 # Slot the RANDAO commitment was last changed
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balance*: uint64 # Balance in Gwei
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status*: ValidatorStatusCodes # Status code
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exit_slot*: uint64 # Slot when validator exited (or 0)
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exit_seq*: uint64 # Sequence number when validator exited (or 0)
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ValidatorStatusCodes* {.pure.} = enum
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PendingActivation = 0
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Active = 1
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