mark applicable 0.8.0-compliant functions and data structures as 0.8.1 and update a couple of other comments (#321)
This commit is contained in:
Dustin Brody
GitHub
parent
c92806b950
commit
712038fe21
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@ -29,13 +29,13 @@ func verify_merkle_branch(leaf: Eth2Digest, proof: openarray[Eth2Digest], depth:
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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/v0.8.0/specs/core/0_beacon-chain.md#increase_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#decrease_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -103,13 +103,13 @@ func process_deposit*(
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true
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compute_activation_exit_epoch
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_validator_churn_limit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -117,7 +117,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#initiate_validator_exit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -148,7 +148,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#slash_validator
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_compact_committees_root
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -256,7 +256,7 @@ func get_initial_beacon_block*(state: BeaconState): BeaconBlock =
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# initialized to default values.
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)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#get_attestation_data_slot
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -273,7 +273,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#get_block_root_at_slot
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -282,12 +282,12 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#get_block_root
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_total_balance
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -295,7 +295,7 @@ func get_total_balance*(state: BeaconState, validators: auto): Gwei =
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foldl(validators, a + state.validators[b].effective_balance, 0'u64)
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)
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#registry-updates
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -335,10 +335,10 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#is_valid_indexed_attestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#is_valid_indexed_attestation
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func is_valid_indexed_attestation*(
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state: BeaconState, indexed_attestation: IndexedAttestation): bool =
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# Verify validity of ``indexed_attestation`` fields.
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# Check if ``indexed_attestation`` has valid indices and signature.
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let
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bit_0_indices = indexed_attestation.custody_bit_0_indices
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@ -414,7 +414,7 @@ func get_attesting_indices_seq*(
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toSeq(items(get_attesting_indices(
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state, attestation_data, bitfield, cache)))
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#get_indexed_attestation
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -464,7 +464,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#attestations
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#attestations
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proc process_attestation*(
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state: BeaconState, attestation: Attestation, flags: UpdateFlags,
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stateCache: var StateCache): 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* = "0.8.0" ## \
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SPEC_VERSION* = "0.8.1" ## \
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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/v0.8.0/specs/core/0_beacon-chain.md#initial-values
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -73,7 +73,7 @@ type
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Gwei* = uint64
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Domain* = uint64
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#proposerslashing
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -84,7 +84,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#attesterslashing
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -117,12 +117,12 @@ type
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signature*: ValidatorSig ##\
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## BLS aggregate signature
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#checkpoint
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#AttestationData
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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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@ -134,21 +134,21 @@ type
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# Crosslink vote
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crosslink*: Crosslink
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#attestationdataandcustodybit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#attestationdataandcustodybit
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AttestationDataAndCustodyBit* = object
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data*: AttestationData
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custody_bit*: bool ##\
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## Challengeable bit (SSZ-bool, 1 byte) for the custody of crosslink data
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#deposit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#deposit
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Deposit* = object
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proof*: array[DEPOSIT_CONTRACT_TREE_DEPTH, Eth2Digest] ##\
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## Merkle path to deposit data list root
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data*: DepositData
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#depositdata
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#depositdata
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DepositData* = object
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pubkey*: ValidatorPubKey ##\
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## BLS pubkey
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@ -165,7 +165,7 @@ type
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signature*: ValidatorSig ##\
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## Container self-signature
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#voluntaryexit
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#voluntaryexit
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VoluntaryExit* = object
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epoch*: Epoch ##\
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## Earliest epoch when voluntary exit can be processed
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@ -173,7 +173,7 @@ type
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validator_index*: uint64
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signature*: ValidatorSig
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#transfer
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#transfer
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Transfer* = object
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sender*: uint64 ##\
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## Sender index
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@ -197,7 +197,7 @@ type
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signature*: ValidatorSig ##\
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## Signature checked against withdrawal pubkey
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#beaconblock
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#beaconblock
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BeaconBlock* = object
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## For each slot, a proposer is chosen from the validator pool to propose
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## a new block. Once the block as been proposed, it is transmitted to
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@ -218,12 +218,12 @@ type
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signature*: ValidatorSig ##\
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## Proposer signature
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compactcommittee
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#compactcommittee
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CompactCommittee* = object
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pubkeys*: seq[ValidatorPubKey]
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compact_validators*: seq[uint64]
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#beaconblockheader
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#beaconblockheader
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BeaconBlockHeader* = object
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slot*: Slot
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parent_root*: Eth2Digest
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@ -310,7 +310,7 @@ type
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current_justified_checkpoint*: Checkpoint
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finalized_checkpoint*: Checkpoint
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#validator
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#validator
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Validator* = object
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pubkey*: ValidatorPubKey
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@ -333,7 +333,7 @@ type
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withdrawable_epoch*: Epoch ##\
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## When validator can withdraw or transfer funds
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#crosslink
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#crosslink
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Crosslink* = object
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shard*: Shard
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parent_root*: Eth2Digest
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@ -351,12 +351,12 @@ type
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inclusion_delay*: uint64 ## Inclusion delay
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proposer_index*: ValidatorIndex ## Proposer index
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#historicalbatch
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#historicalbatch
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HistoricalBatch* = object
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block_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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state_roots* : array[SLOTS_PER_HISTORICAL_ROOT, Eth2Digest]
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#fork
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#fork
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Fork* = object
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previous_version*: array[4, byte]
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current_version*: array[4, byte]
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@ -364,7 +364,7 @@ type
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epoch*: Epoch ##\
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## Epoch of latest fork
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#eth1data
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#eth1data
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Eth1Data* = object
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deposit_root*: Eth2Digest ##\
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## Root of the deposit tree
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@ -7,7 +7,7 @@
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# Serenity hash function / digest
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#
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#hash
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# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#hash
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#
|
||||
# In Phase 0 the beacon chain is deployed with SHA256 (SHA2-256).
|
||||
# Note that is is different from Keccak256 (often mistakenly called SHA3-256)
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@
|
|||
|
||||
import ./datatypes, ./digest, sequtils, math
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#integer_squareroot
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -57,17 +57,17 @@ func merkle_root*(values: openArray[Eth2Digest]): Eth2Digest =
|
|||
|
||||
o[1]
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compute_epoch_of_slot
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compute_start_slot_of_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#is_active_validator
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -80,7 +80,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#get_committee_count
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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)
|
||||
|
|
@ -92,7 +92,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#get_current_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -153,7 +153,7 @@ func compute_domain(domain_type: DomainType, fork_version: array[4, byte]):
|
|||
buf[4..7] = int_to_bytes4(domain_type.uint64)
|
||||
bytes_to_int(buf)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#get_domain
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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)
|
||||
|
|
@ -180,7 +180,7 @@ func get_seed*(state: BeaconState, epoch: Epoch): Eth2Digest =
|
|||
|
||||
seed_input[0..31] =
|
||||
get_randao_mix(state,
|
||||
epoch + LATEST_RANDAO_MIXES_LENGTH - MIN_SEED_LOOKAHEAD).data
|
||||
epoch + LATEST_RANDAO_MIXES_LENGTH - MIN_SEED_LOOKAHEAD - 1).data
|
||||
seed_input[32..63] =
|
||||
state.active_index_roots[epoch mod EPOCHS_PER_HISTORICAL_VECTOR].data
|
||||
seed_input[64..95] = int_to_bytes32(epoch)
|
||||
|
|
|
|||
|
|
@ -26,7 +26,7 @@ type
|
|||
const
|
||||
# Misc
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#misc
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#misc
|
||||
|
||||
SHARD_COUNT* {.intdefine.} = 1024 ##\
|
||||
## Number of shards supported by the network - validators will jump around
|
||||
|
|
@ -54,14 +54,14 @@ const
|
|||
SHUFFLE_ROUND_COUNT* = 90
|
||||
|
||||
# Constants (TODO: not actually configurable)
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#constants
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#gwei-values
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -87,12 +87,12 @@ const
|
|||
|
||||
# Time parameters
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_fork-choice.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#time-parameters
|
||||
MIN_ATTESTATION_INCLUSION_DELAY* = 1 ##\
|
||||
## (24 seconds)
|
||||
## Number of slots that attestations stay in the attestation
|
||||
|
|
@ -144,7 +144,7 @@ const
|
|||
|
||||
# Reward and penalty quotients
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -164,7 +164,7 @@ const
|
|||
type
|
||||
# Signature domains
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
DomainType* {.pure.} = enum
|
||||
DOMAIN_BEACON_PROPOSER = 0
|
||||
DOMAIN_RANDAO = 1
|
||||
|
|
|
|||
|
|
@ -43,14 +43,14 @@ const
|
|||
|
||||
# Constants
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#constants
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#gwei-values
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#gwei-values
|
||||
|
||||
# Unchanged
|
||||
MIN_DEPOSIT_AMOUNT* = 2'u64^0 * 10'u64^9
|
||||
|
|
@ -70,12 +70,12 @@ const
|
|||
|
||||
# Time parameters
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_fork-choice.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_fork-choice.md#time-parameters
|
||||
|
||||
# Unchanged
|
||||
SECONDS_PER_SLOT*{.intdefine.} = 6'u64
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#time-parameters
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#max-operations-per-block
|
||||
|
||||
# Unchanged
|
||||
MAX_PROPOSER_SLASHINGS* = 2^4
|
||||
|
|
@ -131,7 +131,7 @@ const
|
|||
type
|
||||
# Signature domains
|
||||
# ---------------------------------------------------------------
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#signature-domain-types
|
||||
DomainType* {.pure.} = enum
|
||||
DOMAIN_BEACON_PROPOSER = 0
|
||||
DOMAIN_RANDAO = 1
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@ import # TODO - cleanup imports
|
|||
../extras, ../ssz, ../beacon_node_types,
|
||||
beaconstate, bitfield, crypto, datatypes, digest, helpers, validator
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#block-header
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#block-header
|
||||
proc processBlockHeader(
|
||||
state: var BeaconState, blck: BeaconBlock, flags: UpdateFlags,
|
||||
stateCache: var StateCache): bool =
|
||||
|
|
@ -61,8 +61,9 @@ proc processBlockHeader(
|
|||
state.latest_block_header = BeaconBlockHeader(
|
||||
slot: blck.slot,
|
||||
parent_root: blck.parent_root,
|
||||
state_root: Eth2Digest(), # Overwritten in the next `process_slot` call
|
||||
# state_root: zeroed, overwritten in the next `process_slot` call
|
||||
body_root: hash_tree_root(blck.body),
|
||||
# signature is always zeroed
|
||||
)
|
||||
|
||||
# Verify proposer is not slashed
|
||||
|
|
@ -118,14 +119,14 @@ proc processRandao(
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#eth1-data
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#is_slashable_validator
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -178,7 +179,7 @@ proc processProposerSlashings(
|
|||
|
||||
true
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#is_slashable_attestation_data
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
|
|||
|
|
@ -37,13 +37,13 @@ import # TODO - cleanup imports
|
|||
../extras, ../ssz, ../beacon_node_types,
|
||||
beaconstate, bitfield, crypto, datatypes, digest, helpers, validator
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#get_total_active_balance
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#helper-functions-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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)]
|
||||
|
|
@ -254,7 +254,7 @@ func process_justification_and_finalization(
|
|||
state.finalized_checkpoint.root =
|
||||
get_block_root(state, state.finalized_checkpoint.epoch)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#crosslinks
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#crosslinks
|
||||
func process_crosslinks(state: var BeaconState, stateCache: var StateCache) =
|
||||
state.previous_crosslinks = state.current_crosslinks
|
||||
|
||||
|
|
@ -283,7 +283,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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
|
||||
|
|
@ -373,7 +373,7 @@ func get_attestation_deltas(state: BeaconState, stateCache: var StateCache):
|
|||
|
||||
(rewards, penalties)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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]] =
|
||||
|
||||
|
|
@ -401,7 +401,7 @@ func get_crosslink_deltas(state: BeaconState, cache: var StateCache):
|
|||
|
||||
(rewards, penalties)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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:
|
||||
|
|
@ -414,7 +414,7 @@ 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/v0.8.0/specs/core/0_beacon-chain.md#slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#slashings
|
||||
func process_slashings(state: var BeaconState) =
|
||||
let
|
||||
epoch = get_current_epoch(state)
|
||||
|
|
@ -428,7 +428,7 @@ func process_slashings(state: var BeaconState) =
|
|||
min(sum(state.slashings) * 3, total_balance) div total_balance
|
||||
decrease_balance(state, index.ValidatorIndex, penalty)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#final-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#final-updates
|
||||
func process_final_updates(state: var BeaconState) =
|
||||
let
|
||||
current_epoch = get_current_epoch(state)
|
||||
|
|
@ -493,16 +493,16 @@ func processEpoch*(state: var BeaconState) =
|
|||
|
||||
var per_epoch_cache = get_empty_per_epoch_cache()
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#justification-and-finalization
|
||||
process_justification_and_finalization(state, per_epoch_cache)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#crosslinks
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#crosslinks
|
||||
process_crosslinks(state, per_epoch_cache)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#rewards-and-penalties-1
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#registry-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#registry-updates
|
||||
# Don't rely on caching here.
|
||||
process_registry_updates(state)
|
||||
|
||||
|
|
@ -510,8 +510,8 @@ func processEpoch*(state: var BeaconState) =
|
|||
## get_active_validator_indices(...) usually changes.
|
||||
clear(per_epoch_cache.crosslink_committee_cache)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#slashings
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#slashings
|
||||
process_slashings(state)
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#final-updates
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#final-updates
|
||||
process_final_updates(state)
|
||||
|
|
|
|||
|
|
@ -12,8 +12,8 @@ import
|
|||
./crypto, ./datatypes, ./digest, ./helpers
|
||||
|
||||
# TODO: Proceed to renaming and signature changes
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compute_shuffled_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#compute_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/specs/core/0_beacon-chain.md#compute_shuffled_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_previous_epoch
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_shard_delta
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_start_shard
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#compute_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_crosslink_committee
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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/v0.8.0/specs/core/0_beacon-chain.md#get_beacon_proposer_index
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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.
|
||||
|
|
|
|||
|
|
@ -45,7 +45,7 @@ func advance_slot(state: var BeaconState) =
|
|||
|
||||
state.slot += 1
|
||||
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.0/specs/core/0_beacon-chain.md#beacon-chain-state-transition-function
|
||||
# https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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)
|
||||
|
|
|
|||
|
|
@ -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/v0.8.0/specs/core/0_fork-choice.md#fork-choice
|
||||
## https://github.com/ethereum/eth2.0-specs/blob/v0.8.1/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