update to beacon chain phase 0 spec version 0.8.4; no substantive changes (#494)
This commit is contained in:
Dustin Brody
GitHub
parent
c9d2815480
commit
700e7d921b
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@ -567,7 +567,7 @@ proc handleAttestations(node: BeaconNode, head: BlockRef, slot: Slot) =
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# We need to run attestations exactly for the slot that we're attesting to.
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# In case blocks went missing, this means advancing past the latest block
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# using empty slots as fillers.
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/validator/0_beacon-chain-validator.md#validator-assignments
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/validator/0_beacon-chain-validator.md#validator-assignments
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# TODO we could cache the validator assignment since it's valid for the entire
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# epoch since it doesn't change, but that has to be weighed against
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# the complexity of handling forks correctly - instead, we use an adapted
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@ -12,7 +12,7 @@ proc get_ancestor(blck: BlockRef, slot: Slot): BlockRef =
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else:
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get_ancestor(blck.parent, slot)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_fork-choice.md
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_fork-choice.md
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# The structure of this code differs from the spec since we use a different
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# strategy for storing states and justification points - it should nonetheless
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# be close in terms of functionality.
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@ -41,7 +41,7 @@ const eth1BlockHash* = block:
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x
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func makeWithdrawalCredentials*(k: ValidatorPubKey): Eth2Digest =
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_deposit-contract.md#withdrawal-credentials
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_deposit-contract.md#withdrawal-credentials
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var bytes = eth2hash(k.getBytes())
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bytes.data[0] = BLS_WITHDRAWAL_PREFIX.uint8
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bytes
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@ -11,7 +11,7 @@ import
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../extras, ../ssz,
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./crypto, ./datatypes, ./digest, ./helpers, ./validator
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#is_valid_merkle_branch
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#is_valid_merkle_branch
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func is_valid_merkle_branch(leaf: Eth2Digest, branch: openarray[Eth2Digest], depth: uint64, index: uint64, root: Eth2Digest): bool =
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## Check if ``leaf`` at ``index`` verifies against the Merkle ``root`` and
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## ``branch``.
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@ -29,13 +29,13 @@ func is_valid_merkle_branch(leaf: Eth2Digest, branch: openarray[Eth2Digest], dep
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value = eth2hash(buf)
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value == root
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#increase_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#increase_balance
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func increase_balance*(
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state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
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# Increase the validator balance at index ``index`` by ``delta``.
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state.balances[index] += delta
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#decrease_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#decrease_balance
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func decrease_balance*(
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state: var BeaconState, index: ValidatorIndex, delta: Gwei) =
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## Decrease the validator balance at index ``index`` by ``delta``, with
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@ -102,13 +102,13 @@ func process_deposit*(
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true
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_activation_exit_epoch
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_activation_exit_epoch
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func compute_activation_exit_epoch*(epoch: Epoch): Epoch =
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## Return the epoch during which validator activations and exits initiated in
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## ``epoch`` take effect.
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epoch + 1 + ACTIVATION_EXIT_DELAY
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_validator_churn_limit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_validator_churn_limit
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func get_validator_churn_limit(state: BeaconState): uint64 =
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# Return the validator churn limit for the current epoch.
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let active_validator_indices =
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@ -116,7 +116,7 @@ func get_validator_churn_limit(state: BeaconState): uint64 =
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max(MIN_PER_EPOCH_CHURN_LIMIT,
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len(active_validator_indices) div CHURN_LIMIT_QUOTIENT).uint64
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#initiate_validator_exit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#initiate_validator_exit
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func initiate_validator_exit*(state: var BeaconState,
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index: ValidatorIndex) =
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# Initiate the exit of the validator with index ``index``.
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@ -146,7 +146,7 @@ func initiate_validator_exit*(state: var BeaconState,
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validator.withdrawable_epoch =
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validator.exit_epoch + MIN_VALIDATOR_WITHDRAWABILITY_DELAY
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#slash_validator
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#slash_validator
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func slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
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stateCache: var StateCache) =
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# Slash the validator with index ``index``.
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@ -174,7 +174,7 @@ func slash_validator*(state: var BeaconState, slashed_index: ValidatorIndex,
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increase_balance(
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state, whistleblower_index, whistleblowing_reward - proposer_reward)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_compact_committees_root
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_compact_committees_root
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func get_compact_committees_root*(state: BeaconState, epoch: Epoch): Eth2Digest =
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# Return the compact committee root at ``epoch``.
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@ -201,7 +201,7 @@ func get_compact_committees_root*(state: BeaconState, epoch: Epoch): Eth2Digest
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hash_tree_root(committees)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#genesis
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#genesis
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func initialize_beacon_state_from_eth1*(
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eth1_block_hash: Eth2Digest,
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eth1_timestamp: uint64,
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@ -296,7 +296,7 @@ func get_initial_beacon_block*(state: BeaconState): BeaconBlock =
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# initialized to default values.
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_attestation_data_slot
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_attestation_data_slot
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func get_attestation_data_slot*(state: BeaconState,
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data: AttestationData, committee_count: uint64): Slot =
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# Return the slot corresponding to the attestation ``data``.
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@ -313,7 +313,7 @@ func get_attestation_data_slot*(state: BeaconState,
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get_attestation_data_slot(
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state, data, get_committee_count(state, data.target.epoch))
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_block_root_at_slot
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_block_root_at_slot
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func get_block_root_at_slot*(state: BeaconState,
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slot: Slot): Eth2Digest =
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# Return the block root at a recent ``slot``.
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@ -322,12 +322,12 @@ func get_block_root_at_slot*(state: BeaconState,
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doAssert slot < state.slot
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state.block_roots[slot mod SLOTS_PER_HISTORICAL_ROOT]
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_block_root
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_block_root
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func get_block_root*(state: BeaconState, epoch: Epoch): Eth2Digest =
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# Return the block root at the start of a recent ``epoch``.
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get_block_root_at_slot(state, compute_start_slot_of_epoch(epoch))
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_total_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_total_balance
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func get_total_balance*(state: BeaconState, validators: auto): Gwei =
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## Return the combined effective balance of the ``indices``. (1 Gwei minimum
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## to avoid divisions by zero.)
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@ -336,7 +336,7 @@ func get_total_balance*(state: BeaconState, validators: auto): Gwei =
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)
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# XXX: Move to state_transition_epoch.nim?
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#registry-updates
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#registry-updates
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func process_registry_updates*(state: var BeaconState) =
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## Process activation eligibility and ejections
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## Try to avoid caching here, since this could easily become undefined
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@ -376,7 +376,7 @@ func process_registry_updates*(state: var BeaconState) =
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validator.activation_epoch =
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compute_activation_exit_epoch(get_current_epoch(state))
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#is_valid_indexed_attestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#is_valid_indexed_attestation
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proc is_valid_indexed_attestation*(
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state: BeaconState, indexed_attestation: IndexedAttestation): bool =
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## Check if ``indexed_attestation`` has valid indices and signature.
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@ -437,7 +437,7 @@ proc is_valid_indexed_attestation*(
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if not result:
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notice "indexed attestation: signature verification failure"
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_attesting_indices
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_attesting_indices
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func get_attesting_indices*(state: BeaconState,
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data: AttestationData,
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bits: CommitteeValidatorsBits,
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@ -460,7 +460,7 @@ func get_attesting_indices_seq*(state: BeaconState,
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toSeq(items(get_attesting_indices(
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state, attestation_data, bits, cache)))
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_indexed_attestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_indexed_attestation
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func get_indexed_attestation*(state: BeaconState, attestation: Attestation,
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stateCache: var StateCache): IndexedAttestation =
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# Return the indexed attestation corresponding to ``attestation``.
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@ -499,7 +499,7 @@ func get_indexed_attestation*(state: BeaconState, attestation: Attestation,
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signature: attestation.signature,
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)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attestations
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attestations
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proc check_attestation*(
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state: BeaconState, attestation: Attestation, flags: UpdateFlags,
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stateCache: var StateCache): bool =
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@ -656,7 +656,7 @@ proc makeAttestationData*(
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## `state` is the state corresponding to the `beacon_block_root` advanced to
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## the slot we're attesting to.
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## https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/validator/0_beacon-chain-validator.md#construct-attestation
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## https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/validator/0_beacon-chain-validator.md#construct-attestation
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let
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current_epoch = get_current_epoch(state)
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@ -162,11 +162,11 @@ proc combine*[T](x: var BlsValue[T], other: BlsValue[T]) =
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doAssert x.kind == Real and other.kind == Real
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x.blsValue.combine(other.blsValue)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/bls_signature.md#bls_aggregate_pubkeys
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/bls_signature.md#bls_aggregate_pubkeys
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func bls_aggregate_pubkeys*(keys: openArray[ValidatorPubKey]): ValidatorPubKey =
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keys.combine()
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/bls_signature.md#bls_verify
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/bls_signature.md#bls_verify
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func bls_verify*(
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pubkey: ValidatorPubKey, msg: openArray[byte], sig: ValidatorSig,
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domain: Domain): bool =
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@ -182,7 +182,7 @@ func bls_verify*(
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else:
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sig.verify(msg, domain, pubkey)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/bls_signature.md#bls_verify_multiple
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/bls_signature.md#bls_verify_multiple
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proc bls_verify_multiple*(
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pubkeys: seq[ValidatorPubKey], message_hashes: openArray[Eth2Digest],
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sig: ValidatorSig, domain: Domain): bool =
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@ -53,13 +53,13 @@ else:
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{.fatal: "Preset \"" & const_preset ".nim\" is not supported.".}
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const
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SPEC_VERSION* = "0.8.3" ## \
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SPEC_VERSION* = "0.8.4" ## \
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## Spec version we're aiming to be compatible with, right now
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## TODO: improve this scheme once we can negotiate versions in protocol
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# Initial values
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# ---------------------------------------------------------------
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#initial-values
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#initial-values
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GENESIS_EPOCH* = (GENESIS_SLOT.uint64 div SLOTS_PER_EPOCH).Epoch ##\
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## compute_epoch_of_slot(GENESIS_SLOT)
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@ -86,7 +86,7 @@ type
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BitList*[maxLen: static int] = distinct BitSeq
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#proposerslashing
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#proposerslashing
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ProposerSlashing* = object
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proposer_index*: uint64 ##\
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## Proposer index
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@ -97,7 +97,7 @@ type
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header_2*: BeaconBlockHeader ##\
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# Second block header
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attesterslashing
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attesterslashing
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AttesterSlashing* = object
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attestation_1*: IndexedAttestation ## \
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## First attestation
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@ -106,7 +106,7 @@ type
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CustodyBitIndices* = List[uint64, MAX_VALIDATORS_PER_COMMITTEE]
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#indexedattestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#indexedattestation
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IndexedAttestation* = object
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custody_bit_0_indices*: CustodyBitIndices ##\
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## Indices with custody bit equal to 0
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@ -119,19 +119,19 @@ type
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CommitteeValidatorsBits* = BitList[MAX_VALIDATORS_PER_COMMITTEE]
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attestation
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Attestation* = object
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aggregation_bits*: CommitteeValidatorsBits
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data*: AttestationData
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custody_bits*: CommitteeValidatorsBits
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signature*: ValidatorSig
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#checkpoint
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#checkpoint
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Checkpoint* = object
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epoch*: Epoch
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root*: Eth2Digest
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#AttestationData
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#AttestationData
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AttestationData* = object
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# LMD GHOST vote
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beacon_block_root*: Eth2Digest
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@ -143,21 +143,21 @@ type
|
|||
# Crosslink vote
|
||||
crosslink*: Crosslink
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attestationdataandcustodybit
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attestationdataandcustodybit
|
||||
AttestationDataAndCustodyBit* = object
|
||||
data*: AttestationData
|
||||
|
||||
custody_bit*: bool ##\
|
||||
## Challengeable bit (SSZ-bool, 1 byte) for the custody of crosslink data
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#deposit
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#deposit
|
||||
Deposit* = object
|
||||
proof*: array[DEPOSIT_CONTRACT_TREE_DEPTH + 1, Eth2Digest] ##\
|
||||
## Merkle path to deposit data list root
|
||||
|
||||
data*: DepositData
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#depositdata
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#depositdata
|
||||
DepositData* = object
|
||||
pubkey*: ValidatorPubKey ##\
|
||||
## BLS pubkey
|
||||
|
|
@ -171,7 +171,7 @@ type
|
|||
signature*: ValidatorSig ##\
|
||||
## Container self-signature
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#voluntaryexit
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#voluntaryexit
|
||||
VoluntaryExit* = object
|
||||
epoch*: Epoch ##\
|
||||
## Earliest epoch when voluntary exit can be processed
|
||||
|
|
@ -179,7 +179,7 @@ type
|
|||
validator_index*: uint64
|
||||
signature*: ValidatorSig
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#transfer
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#transfer
|
||||
Transfer* = object
|
||||
sender*: uint64 ##\
|
||||
## Sender index
|
||||
|
|
@ -203,7 +203,7 @@ type
|
|||
signature*: ValidatorSig ##\
|
||||
## Signature checked against withdrawal pubkey
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beaconblock
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beaconblock
|
||||
BeaconBlock* = object
|
||||
## For each slot, a proposer is chosen from the validator pool to propose
|
||||
## a new block. Once the block as been proposed, it is transmitted to
|
||||
|
|
@ -224,12 +224,12 @@ type
|
|||
signature*: ValidatorSig ##\
|
||||
## Proposer signature
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compactcommittee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compactcommittee
|
||||
CompactCommittee* = object
|
||||
pubkeys*: seq[ValidatorPubKey]
|
||||
compact_validators*: seq[uint64]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beaconblockheader
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beaconblockheader
|
||||
BeaconBlockHeader* = object
|
||||
slot*: Slot
|
||||
parent_root*: Eth2Digest
|
||||
|
|
@ -237,7 +237,7 @@ type
|
|||
body_root*: Eth2Digest
|
||||
signature*: ValidatorSig
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beaconblockbody
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beaconblockbody
|
||||
BeaconBlockBody* = object
|
||||
randao_reveal*: ValidatorSig
|
||||
eth1_data*: Eth1Data
|
||||
|
|
@ -249,7 +249,7 @@ type
|
|||
voluntary_exits*: seq[VoluntaryExit]
|
||||
transfers*: seq[Transfer]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beaconstate
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beaconstate
|
||||
BeaconState* = object
|
||||
# Versioning
|
||||
genesis_time*: uint64
|
||||
|
|
@ -320,7 +320,7 @@ type
|
|||
current_justified_checkpoint*: Checkpoint
|
||||
finalized_checkpoint*: Checkpoint
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#validator
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#validator
|
||||
Validator* = object
|
||||
pubkey*: ValidatorPubKey
|
||||
|
||||
|
|
@ -343,7 +343,7 @@ type
|
|||
withdrawable_epoch*: Epoch ##\
|
||||
## When validator can withdraw or transfer funds
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#crosslink
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#crosslink
|
||||
Crosslink* = object
|
||||
shard*: Shard
|
||||
parent_root*: Eth2Digest
|
||||
|
|
@ -354,19 +354,19 @@ type
|
|||
|
||||
data_root*: Eth2Digest
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#pendingattestation
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#pendingattestation
|
||||
PendingAttestation* = object
|
||||
aggregation_bits*: CommitteeValidatorsBits
|
||||
data*: AttestationData
|
||||
inclusion_delay*: uint64
|
||||
proposer_index*: uint64
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#historicalbatch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#historicalbatch
|
||||
HistoricalBatch* = object
|
||||
block_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
|
||||
state_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#fork
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#fork
|
||||
Fork* = object
|
||||
# TODO: Spec introduced an alias for Version = array[4, byte]
|
||||
# and a default parameter to compute_domain
|
||||
|
|
@ -376,7 +376,7 @@ type
|
|||
epoch*: Epoch ##\
|
||||
## Epoch of latest fork
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#eth1data
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#eth1data
|
||||
Eth1Data* = object
|
||||
deposit_root*: Eth2Digest ##\
|
||||
## Root of the deposit tree
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
|
||||
# Serenity hash function / digest
|
||||
#
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#hash
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#hash
|
||||
#
|
||||
# In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256).
|
||||
# Note that is is different from Keccak256 (often mistakenly called SHA3-256)
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ import
|
|||
# Internal
|
||||
./datatypes, ./digest
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#integer_squareroot
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#integer_squareroot
|
||||
func integer_squareroot*(n: SomeInteger): SomeInteger =
|
||||
# Return the largest integer ``x`` such that ``x**2 <= n``.
|
||||
doAssert n >= 0'u64
|
||||
|
|
@ -63,7 +63,7 @@ func merkle_root*(values: openArray[Eth2Digest]): Eth2Digest =
|
|||
|
||||
o[1]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_epoch_of_slot
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_epoch_of_slot
|
||||
func compute_epoch_of_slot*(slot: Slot|uint64): Epoch =
|
||||
# Return the epoch number of the given ``slot``.
|
||||
(slot div SLOTS_PER_EPOCH).Epoch
|
||||
|
|
@ -71,17 +71,17 @@ func compute_epoch_of_slot*(slot: Slot|uint64): Epoch =
|
|||
template epoch*(slot: Slot): Epoch =
|
||||
compute_epoch_of_slot(slot)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_start_slot_of_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_start_slot_of_epoch
|
||||
func compute_start_slot_of_epoch*(epoch: Epoch): Slot =
|
||||
# Return the start slot of ``epoch``.
|
||||
(epoch * SLOTS_PER_EPOCH).Slot
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#is_active_validator
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#is_active_validator
|
||||
func is_active_validator*(validator: Validator, epoch: Epoch): bool =
|
||||
### Check if ``validator`` is active
|
||||
validator.activation_epoch <= epoch and epoch < validator.exit_epoch
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_active_validator_indices
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_active_validator_indices
|
||||
func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
|
||||
seq[ValidatorIndex] =
|
||||
# Return the sequence of active validator indices at ``epoch``.
|
||||
|
|
@ -89,7 +89,7 @@ func get_active_validator_indices*(state: BeaconState, epoch: Epoch):
|
|||
if is_active_validator(val, epoch):
|
||||
result.add idx.ValidatorIndex
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_committee_count
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_committee_count
|
||||
func get_committee_count*(state: BeaconState, epoch: Epoch): uint64 =
|
||||
# Return the number of committees at ``epoch``.
|
||||
let active_validator_indices = get_active_validator_indices(state, epoch)
|
||||
|
|
@ -101,13 +101,13 @@ func get_committee_count*(state: BeaconState, epoch: Epoch): uint64 =
|
|||
# Otherwise, get_crosslink_committee(...) cannot access some committees.
|
||||
doAssert SHARD_COUNT >= result
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_current_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_current_epoch
|
||||
func get_current_epoch*(state: BeaconState): Epoch =
|
||||
# Return the current epoch.
|
||||
doAssert state.slot >= GENESIS_SLOT, $state.slot
|
||||
compute_epoch_of_slot(state.slot)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_randao_mix
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_randao_mix
|
||||
func get_randao_mix*(state: BeaconState,
|
||||
epoch: Epoch): Eth2Digest =
|
||||
## Returns the randao mix at a recent ``epoch``.
|
||||
|
|
@ -148,14 +148,14 @@ func int_to_bytes4*(x: uint64): array[4, byte] =
|
|||
result[2] = ((x shr 16) and 0xff).byte
|
||||
result[3] = ((x shr 24) and 0xff).byte
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_domain
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_domain
|
||||
func compute_domain*(
|
||||
domain_type: DomainType,
|
||||
fork_version: array[4, byte] = [0'u8, 0, 0, 0]): Domain =
|
||||
result[0..3] = int_to_bytes4(domain_type.uint64)
|
||||
result[4..7] = fork_version
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_domain
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_domain
|
||||
func get_domain*(
|
||||
state: BeaconState, domain_type: DomainType, message_epoch: Epoch): Domain =
|
||||
## Return the signature domain (fork version concatenated with domain type)
|
||||
|
|
@ -171,7 +171,7 @@ func get_domain*(
|
|||
func get_domain*(state: BeaconState, domain_type: DomainType): Domain =
|
||||
get_domain(state, domain_type, get_current_epoch(state))
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_seed
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_seed
|
||||
func get_seed*(state: BeaconState, epoch: Epoch): Eth2Digest =
|
||||
# Generate a seed for the given ``epoch``.
|
||||
|
||||
|
|
|
|||
|
|
@ -25,7 +25,7 @@ type
|
|||
const
|
||||
# Misc
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#misc
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#misc
|
||||
|
||||
SHARD_COUNT* {.intdefine.} = 1024 ##\
|
||||
## Number of shards supported by the network - validators will jump around
|
||||
|
|
@ -53,14 +53,14 @@ const
|
|||
SHUFFLE_ROUND_COUNT* = 90
|
||||
|
||||
# Constants (TODO: not actually configurable)
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#constants
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#constants
|
||||
BASE_REWARDS_PER_EPOCH* = 5
|
||||
|
||||
DEPOSIT_CONTRACT_TREE_DEPTH* = 32
|
||||
|
||||
# Gwei values
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#gwei-values
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#gwei-values
|
||||
|
||||
MIN_DEPOSIT_AMOUNT* = 2'u64^0 * 10'u64^9 ##\
|
||||
## Minimum amounth of ETH that can be deposited in one call - deposits can
|
||||
|
|
@ -84,12 +84,12 @@ const
|
|||
|
||||
# Time parameters
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_fork-choice.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_fork-choice.md#time-parameters
|
||||
|
||||
SECONDS_PER_SLOT*{.intdefine.} = 6'u64 # Compile with -d:SECONDS_PER_SLOT=1 for 6x faster slots
|
||||
## TODO consistent time unit across projects, similar to C++ chrono?
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#time-parameters
|
||||
MIN_ATTESTATION_INCLUSION_DELAY* = 1 ##\
|
||||
## (24 seconds)
|
||||
## Number of slots that attestations stay in the attestation
|
||||
|
|
@ -142,7 +142,7 @@ const
|
|||
|
||||
# Reward and penalty quotients
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
BASE_REWARD_FACTOR* = 2'u64^6
|
||||
WHISTLEBLOWER_REWARD_QUOTIENT* = 2'u64^9
|
||||
PROPOSER_REWARD_QUOTIENT* = 2'u64^3
|
||||
|
|
@ -151,7 +151,7 @@ const
|
|||
|
||||
# Max operations per block
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
MAX_PROPOSER_SLASHINGS* = 2^4
|
||||
MAX_ATTESTER_SLASHINGS* = 2^0
|
||||
MAX_ATTESTATIONS* = 2^7
|
||||
|
|
@ -165,7 +165,7 @@ const
|
|||
type
|
||||
# Signature domains
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
DomainType* {.pure.} = enum
|
||||
DOMAIN_BEACON_PROPOSER = 0
|
||||
DOMAIN_RANDAO = 1
|
||||
|
|
|
|||
|
|
@ -44,14 +44,14 @@ const
|
|||
|
||||
# Constants
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#constants
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#constants
|
||||
# TODO "The following values are (non-configurable) constants" ...
|
||||
# Unchanged
|
||||
DEPOSIT_CONTRACT_TREE_DEPTH* = 32
|
||||
|
||||
# Gwei values
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#gwei-values
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#gwei-values
|
||||
|
||||
# Unchanged
|
||||
MIN_DEPOSIT_AMOUNT* = 2'u64^0 * 10'u64^9
|
||||
|
|
@ -69,12 +69,12 @@ const
|
|||
|
||||
# Time parameters
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_fork-choice.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_fork-choice.md#time-parameters
|
||||
|
||||
# Unchanged
|
||||
SECONDS_PER_SLOT*{.intdefine.} = 6'u64
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#time-parameters
|
||||
# Unchanged
|
||||
MIN_ATTESTATION_INCLUSION_DELAY* = 1
|
||||
|
||||
|
|
@ -107,7 +107,7 @@ const
|
|||
|
||||
# Reward and penalty quotients
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
|
||||
# Unchanged
|
||||
BASE_REWARD_FACTOR* = 2'u64^6
|
||||
|
|
@ -118,7 +118,7 @@ const
|
|||
|
||||
# Max operations per block
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
|
||||
# Unchanged
|
||||
MAX_PROPOSER_SLASHINGS* = 2^4
|
||||
|
|
@ -132,7 +132,7 @@ const
|
|||
type
|
||||
# Signature domains
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
DomainType* {.pure.} = enum
|
||||
DOMAIN_BEACON_PROPOSER = 0
|
||||
DOMAIN_RANDAO = 1
|
||||
|
|
|
|||
|
|
@ -44,7 +44,7 @@ declareGauge beacon_previous_live_validators, "Number of active validators that
|
|||
declareGauge beacon_pending_deposits, "Number of pending deposits (state.eth1_data.deposit_count - state.eth1_deposit_index)" # On block
|
||||
declareGauge beacon_processed_deposits_total, "Number of total deposits included on chain" # On block
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#block-header
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#block-header
|
||||
proc process_block_header*(
|
||||
state: var BeaconState, blck: BeaconBlock, flags: UpdateFlags,
|
||||
stateCache: var StateCache): bool =
|
||||
|
|
@ -99,7 +99,7 @@ proc process_block_header*(
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#randao
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#randao
|
||||
proc process_randao(
|
||||
state: var BeaconState, body: BeaconBlockBody, flags: UpdateFlags,
|
||||
stateCache: var StateCache): bool =
|
||||
|
|
@ -132,21 +132,21 @@ proc process_randao(
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#eth1-data
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#eth1-data
|
||||
func processEth1Data(state: var BeaconState, body: BeaconBlockBody) =
|
||||
state.eth1_data_votes.add body.eth1_data
|
||||
if state.eth1_data_votes.count(body.eth1_data) * 2 >
|
||||
SLOTS_PER_ETH1_VOTING_PERIOD:
|
||||
state.eth1_data = body.eth1_data
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#is_slashable_validator
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#is_slashable_validator
|
||||
func is_slashable_validator(validator: Validator, epoch: Epoch): bool =
|
||||
# Check if ``validator`` is slashable.
|
||||
(not validator.slashed) and
|
||||
(validator.activation_epoch <= epoch) and
|
||||
(epoch < validator.withdrawable_epoch)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#proposer-slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#proposer-slashings
|
||||
proc process_proposer_slashing*(
|
||||
state: var BeaconState, proposer_slashing: ProposerSlashing,
|
||||
flags: UpdateFlags, stateCache: var StateCache): bool =
|
||||
|
|
@ -205,7 +205,7 @@ proc processProposerSlashings(
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#is_slashable_attestation_data
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#is_slashable_attestation_data
|
||||
func is_slashable_attestation_data(
|
||||
data_1: AttestationData, data_2: AttestationData): bool =
|
||||
## Check if ``data_1`` and ``data_2`` are slashable according to Casper FFG
|
||||
|
|
@ -217,7 +217,7 @@ func is_slashable_attestation_data(
|
|||
(data_1.source.epoch < data_2.source.epoch and
|
||||
data_2.target.epoch < data_1.target.epoch)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attester-slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attester-slashings
|
||||
proc process_attester_slashing*(
|
||||
state: var BeaconState,
|
||||
attester_slashing: AttesterSlashing,
|
||||
|
|
@ -305,7 +305,7 @@ proc processDeposits(state: var BeaconState, blck: BeaconBlock): bool =
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#voluntary-exits
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#voluntary-exits
|
||||
proc process_voluntary_exit*(
|
||||
state: var BeaconState,
|
||||
exit: VoluntaryExit,
|
||||
|
|
|
|||
|
|
@ -55,13 +55,13 @@ declareGauge beacon_previous_justified_root, "Current previously justified root"
|
|||
# Spec
|
||||
# --------------------------------------------------------
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_total_active_balance
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_total_active_balance
|
||||
func get_total_active_balance*(state: BeaconState): Gwei =
|
||||
return get_total_balance(
|
||||
state,
|
||||
get_active_validator_indices(state, get_current_epoch(state)))
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
func get_matching_source_attestations(state: BeaconState, epoch: Epoch):
|
||||
seq[PendingAttestation] =
|
||||
doAssert epoch in [get_current_epoch(state), get_previous_epoch(state)]
|
||||
|
|
@ -188,7 +188,7 @@ func get_winning_crosslink_and_attesting_indices(
|
|||
(winning_crosslink,
|
||||
get_unslashed_attesting_indices(state, winning_attestations, stateCache))
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
proc process_justification_and_finalization*(
|
||||
state: var BeaconState, stateCache: var StateCache) =
|
||||
|
||||
|
|
@ -227,11 +227,11 @@ proc process_justification_and_finalization*(
|
|||
## matter -- in the next epoch, they'll be 2 epochs old, when BeaconState
|
||||
## tracks current_epoch_attestations and previous_epoch_attestations only
|
||||
## per
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#attestations
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#attestations
|
||||
## and `get_matching_source_attestations(...)` via
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
## and
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#final-updates
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#final-updates
|
||||
## after which the state.previous_epoch_attestations is replaced.
|
||||
trace "Non-attesting indices in previous epoch",
|
||||
missing_all_validators=
|
||||
|
|
@ -320,7 +320,7 @@ proc process_justification_and_finalization*(
|
|||
checkpoint = shortLog(state.finalized_checkpoint),
|
||||
cat = "finalization"
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#crosslinks
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#crosslinks
|
||||
func process_crosslinks*(state: var BeaconState, stateCache: var StateCache) =
|
||||
state.previous_crosslinks = state.current_crosslinks
|
||||
|
||||
|
|
@ -341,7 +341,7 @@ func process_crosslinks*(state: var BeaconState, stateCache: var StateCache) =
|
|||
2'u64 * get_total_balance(state, crosslink_committee):
|
||||
state.current_crosslinks[shard] = winning_crosslink
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
func get_base_reward(state: BeaconState, index: ValidatorIndex): Gwei =
|
||||
let
|
||||
total_balance = get_total_active_balance(state)
|
||||
|
|
@ -349,7 +349,7 @@ func get_base_reward(state: BeaconState, index: ValidatorIndex): Gwei =
|
|||
effective_balance * BASE_REWARD_FACTOR div
|
||||
integer_squareroot(total_balance) div BASE_REWARDS_PER_EPOCH
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
func get_attestation_deltas(state: BeaconState, stateCache: var StateCache):
|
||||
tuple[a: seq[Gwei], b: seq[Gwei]] =
|
||||
let
|
||||
|
|
@ -446,7 +446,7 @@ func get_attestation_deltas(state: BeaconState, stateCache: var StateCache):
|
|||
|
||||
(rewards, penalties)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
func get_crosslink_deltas*(state: BeaconState, cache: var StateCache):
|
||||
tuple[a: seq[Gwei], b: seq[Gwei]] =
|
||||
|
||||
|
|
@ -475,7 +475,7 @@ func get_crosslink_deltas*(state: BeaconState, cache: var StateCache):
|
|||
|
||||
(rewards, penalties)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
func process_rewards_and_penalties(
|
||||
state: var BeaconState, cache: var StateCache) =
|
||||
if get_current_epoch(state) == GENESIS_EPOCH:
|
||||
|
|
@ -489,7 +489,7 @@ func process_rewards_and_penalties(
|
|||
increase_balance(state, i.ValidatorIndex, rewards1[i] + rewards2[i])
|
||||
decrease_balance(state, i.ValidatorIndex, penalties1[i] + penalties2[i])
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#slashings
|
||||
func process_slashings*(state: var BeaconState) =
|
||||
let
|
||||
epoch = get_current_epoch(state)
|
||||
|
|
@ -506,7 +506,7 @@ func process_slashings*(state: var BeaconState) =
|
|||
let penalty = penalty_numerator div total_balance * increment
|
||||
decrease_balance(state, index.ValidatorIndex, penalty)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#final-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#final-updates
|
||||
proc process_final_updates*(state: var BeaconState) =
|
||||
let
|
||||
current_epoch = get_current_epoch(state)
|
||||
|
|
@ -569,7 +569,7 @@ proc process_final_updates*(state: var BeaconState) =
|
|||
state.previous_epoch_attestations = state.current_epoch_attestations
|
||||
state.current_epoch_attestations = @[]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#per-epoch-processing
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#per-epoch-processing
|
||||
proc process_epoch*(state: var BeaconState) =
|
||||
# @proc are placeholders
|
||||
|
||||
|
|
@ -578,19 +578,19 @@ proc process_epoch*(state: var BeaconState) =
|
|||
|
||||
var per_epoch_cache = get_empty_per_epoch_cache()
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
process_justification_and_finalization(state, per_epoch_cache)
|
||||
|
||||
trace "ran process_justification_and_finalization",
|
||||
current_epoch = get_current_epoch(state)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#crosslinks
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#crosslinks
|
||||
process_crosslinks(state, per_epoch_cache)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
process_rewards_and_penalties(state, per_epoch_cache)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#registry-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#registry-updates
|
||||
# Don't rely on caching here.
|
||||
process_registry_updates(state)
|
||||
|
||||
|
|
@ -601,10 +601,10 @@ proc process_epoch*(state: var BeaconState) =
|
|||
# @process_reveal_deadlines
|
||||
# @process_challenge_deadlines
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#slashings
|
||||
process_slashings(state)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#final-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#final-updates
|
||||
process_final_updates(state)
|
||||
|
||||
# @after_process_final_updates
|
||||
|
|
|
|||
|
|
@ -22,7 +22,7 @@ func shortLog*(x: Checkpoint): string =
|
|||
# Helpers used in epoch transition and trace-level block transition
|
||||
# --------------------------------------------------------
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
func get_attesting_indices*(
|
||||
state: BeaconState, attestations: openarray[PendingAttestation],
|
||||
stateCache: var StateCache): HashSet[ValidatorIndex] =
|
||||
|
|
|
|||
|
|
@ -12,8 +12,8 @@ import
|
|||
./crypto, ./datatypes, ./digest, ./helpers
|
||||
|
||||
# TODO: Proceed to renaming and signature changes
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_shuffled_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_shuffled_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_committee
|
||||
func get_shuffled_seq*(seed: Eth2Digest,
|
||||
list_size: uint64,
|
||||
): seq[ValidatorIndex] =
|
||||
|
|
@ -79,7 +79,7 @@ func get_shuffled_seq*(seed: Eth2Digest,
|
|||
|
||||
result = shuffled_active_validator_indices
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_previous_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_previous_epoch
|
||||
func get_previous_epoch*(state: BeaconState): Epoch =
|
||||
# Return the previous epoch (unless the current epoch is ``GENESIS_EPOCH``).
|
||||
let current_epoch = get_current_epoch(state)
|
||||
|
|
@ -88,14 +88,14 @@ func get_previous_epoch*(state: BeaconState): Epoch =
|
|||
else:
|
||||
current_epoch - 1
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_shard_delta
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_shard_delta
|
||||
func get_shard_delta*(state: BeaconState, epoch: Epoch): uint64 =
|
||||
## Return the number of shards to increment ``state.start_shard``
|
||||
## during ``epoch``.
|
||||
min(get_committee_count(state, epoch),
|
||||
(SHARD_COUNT - SHARD_COUNT div SLOTS_PER_EPOCH).uint64)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_start_shard
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_start_shard
|
||||
func get_start_shard*(state: BeaconState, epoch: Epoch): Shard =
|
||||
# Return the start shard of the 0th committee at ``epoch``.
|
||||
|
||||
|
|
@ -111,7 +111,7 @@ func get_start_shard*(state: BeaconState, epoch: Epoch): Shard =
|
|||
SHARD_COUNT
|
||||
return shard
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#compute_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#compute_committee
|
||||
func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
|
||||
index: uint64, count: uint64, stateCache: var StateCache): seq[ValidatorIndex] =
|
||||
## Return the committee corresponding to ``indices``, ``seed``, ``index``,
|
||||
|
|
@ -136,7 +136,7 @@ func compute_committee(indices: seq[ValidatorIndex], seed: Eth2Digest,
|
|||
start.int .. (endIdx.int-1),
|
||||
indices[stateCache.crosslink_committee_cache[key][it]])
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_crosslink_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_crosslink_committee
|
||||
func get_crosslink_committee*(state: BeaconState, epoch: Epoch, shard: Shard,
|
||||
stateCache: var StateCache): seq[ValidatorIndex] =
|
||||
|
||||
|
|
@ -175,7 +175,7 @@ func get_empty_per_epoch_cache*(): StateCache =
|
|||
result.start_shard_cache = initTable[Epoch, Shard]()
|
||||
result.committee_count_cache = initTable[Epoch, uint64]()
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#get_beacon_proposer_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#get_beacon_proposer_index
|
||||
func get_beacon_proposer_index*(state: BeaconState, stateCache: var StateCache):
|
||||
ValidatorIndex =
|
||||
# Return the beacon proposer index at the current slot.
|
||||
|
|
|
|||
|
|
@ -44,7 +44,7 @@ declareGauge beacon_previous_epoch_orphaned_blocks, "Number of blocks orphaned i
|
|||
# Canonical state transition functions
|
||||
# ---------------------------------------------------------------
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
func process_slot*(state: var BeaconState) =
|
||||
# Cache state root
|
||||
let previous_state_root = hash_tree_root(state)
|
||||
|
|
@ -81,7 +81,7 @@ func get_epoch_validator_count(state: BeaconState): int64 =
|
|||
validator.withdrawable_epoch > get_current_epoch(state):
|
||||
result += 1
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
proc process_slots*(state: var BeaconState, slot: Slot) =
|
||||
doAssert state.slot <= slot
|
||||
|
||||
|
|
@ -97,7 +97,7 @@ proc process_slots*(state: var BeaconState, slot: Slot) =
|
|||
if is_epoch_transition:
|
||||
beacon_current_validators.set(get_epoch_validator_count(state))
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
proc verifyStateRoot(state: BeaconState, blck: BeaconBlock): bool =
|
||||
# This is inlined in state_transition(...) in spec.
|
||||
let state_root = hash_tree_root(state)
|
||||
|
|
@ -171,7 +171,7 @@ proc state_transition*(
|
|||
# Hashed-state transition functions
|
||||
# ---------------------------------------------------------------
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
func process_slot(state: var HashedBeaconState) =
|
||||
# Cache state root
|
||||
let previous_slot_state_root = state.root
|
||||
|
|
@ -186,7 +186,7 @@ func process_slot(state: var HashedBeaconState) =
|
|||
state.data.block_roots[state.data.slot mod SLOTS_PER_HISTORICAL_ROOT] =
|
||||
signing_root(state.data.latest_block_header)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
proc process_slots*(state: var HashedBeaconState, slot: Slot) =
|
||||
# TODO: Eth specs strongly assert that state.data.slot <= slot
|
||||
# This prevents receiving attestation in any order
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ type
|
|||
## which blocks are valid - in particular, blocks are not valid if they
|
||||
## come from the future as seen from the local clock.
|
||||
##
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.3/specs/core/0_fork-choice.md#fork-choice
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.4/specs/core/0_fork-choice.md#fork-choice
|
||||
##
|
||||
# TODO replace time in chronos with a proper unit type, then this code can
|
||||
# follow:
|
||||
|
|
|
|||
Loading…
Reference in New Issue