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https://github.com/status-im/nimbus-eth2.git
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63e621c27d
* rename compute_epoch_of_slot(...) to compute_epoch_at_slot(...) * remove some unnecessary imports; remove some crosslink-related code and tests; complete renaming of compute_epoch_of_slot(...) to compute_epoch_at_slot(...) * rm more transfer-related code and tests; rm more unnecessary strutils imports * rm remaining unused imports * remove useless get_empty_per_epoch_cache(...)/compute_start_slot_of_epoch(...) calls * rename compute_start_slot_of_epoch(...) to compute_start_slot_at_epoch(...) * rename ACTIVATION_EXIT_DELAY to MAX_SEED_LOOKAHEAD * update domain types to 0.9.0 * mark AttesterSlashing, IndexedAttestation, AttestationDataAndCustodyBit, DepositData, BeaconBlockHeader, Fork, integer_squareroot(...), and process_voluntary_exit(...) as 0.9.0 * mark increase_balance(...), decrease_balance(...), get_block_root(...), CheckPoint, Deposit, PendingAttestation, HistoricalBatch, is_active_validator(...), and is_slashable_attestation_data(...) as 0.9.0 * mark compute_activation_exit_epoch(...), bls_verify(...), Validator, get_active_validator_indices(...), get_current_epoch(...), get_total_active_balance(...), and get_previous_epoch(...) as 0.9.0 * mark get_block_root_at_slot(...), ProposerSlashing, get_domain(...), VoluntaryExit, mainnet preset Gwei values, minimal preset max operations, process_block_header(...), and is_slashable_validator(...) as 0.9.0 * mark makeWithdrawalCredentials(...), get_validator_churn_limit(...), get_total_balance(...), is_valid_indexed_attestation(...), bls_aggregate_pubkeys(...), initial genesis value/constants, Attestation, get_randao_mix(...), mainnet preset max operations per block constants, minimal preset Gwei values and time parameters, process_eth1_data(...), get_shuffled_seq(...), compute_committee(...), and process_slots(...) as 0.9.0; partially update get_indexed_attestation(...) to 0.9.0 by removing crosslink refs and associated tests * mark initiate_validator_exit(...), process_registry_updates(...), BeaconBlock, Eth1Data, compute_domain(...), process_randao(...), process_attester_slashing(...), get_base_reward(...), and process_slot(...) as 0.9.0
113 lines
3.6 KiB
Nim
113 lines
3.6 KiB
Nim
# beacon_chain
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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options, sequtils, unittest, chronicles,
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./testutil,
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../beacon_chain/spec/[beaconstate, crypto, datatypes, digest, helpers, validator],
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../beacon_chain/[extras, state_transition, ssz]
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suite "Block processing" & preset():
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## For now just test that we can compile and execute block processing with
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## mock data.
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let
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# Genesis state with minimal number of deposits
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# TODO bls verification is a bit of a bottleneck here
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genesisState = initialize_beacon_state_from_eth1(
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Eth2Digest(), 0,
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makeInitialDeposits(), {})
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genesisBlock = get_initial_beacon_block(genesisState)
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genesisRoot = signing_root(genesisBlock)
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test "Passes from genesis state, no block" & preset():
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var
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state = genesisState
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process_slots(state, state.slot + 1)
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check:
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state.slot == genesisState.slot + 1
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test "Passes from genesis state, empty block" & preset():
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var
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state = genesisState
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previous_block_root = signing_root(genesisBlock)
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new_block = makeBlock(state, previous_block_root, BeaconBlockBody())
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let block_ok = state_transition(state, new_block, {})
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check:
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block_ok
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state.slot == genesisState.slot + 1
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test "Passes through epoch update, no block" & preset():
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var
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state = genesisState
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process_slots(state, Slot(SLOTS_PER_EPOCH))
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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test "Passes through epoch update, empty block" & preset():
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var
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state = genesisState
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previous_block_root = genesisRoot
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for i in 1..SLOTS_PER_EPOCH.int:
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var new_block = makeBlock(state, previous_block_root, BeaconBlockBody())
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let block_ok = state_transition(state, new_block, {})
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check:
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block_ok
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previous_block_root = signing_root(new_block)
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check:
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state.slot == genesisState.slot + SLOTS_PER_EPOCH
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test "Attestation gets processed at epoch" & preset():
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var
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state = genesisState
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previous_block_root = genesisRoot
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cache = get_empty_per_epoch_cache()
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# Slot 0 is a finalized slot - won't be making attestations for it..
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process_slots(state, state.slot + 1)
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let
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# Create an attestation for slot 1 signed by the only attester we have!
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crosslink_committee =
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get_crosslink_committee(state, compute_epoch_at_slot(state.slot), 0, cache)
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attestation = makeAttestation(
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state, previous_block_root, crosslink_committee[0])
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# Some time needs to pass before attestations are included - this is
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# to let the attestation propagate properly to interested participants
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process_slots(state, GENESIS_SLOT + MIN_ATTESTATION_INCLUSION_DELAY + 1)
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let
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new_block = makeBlock(state, previous_block_root, BeaconBlockBody(
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attestations: @[attestation]
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))
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discard state_transition(state, new_block, {})
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check:
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# TODO epoch attestations can get multiplied now; clean up paths to
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# enable exact 1-check again and keep finalization.
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state.current_epoch_attestations.len >= 1
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process_slots(state, Slot(191))
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# Would need to process more epochs for the attestation to be removed from
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# the state! (per above bug)
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#
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# check:
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# state.latest_attestations.len == 0
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