Commit Graph

109 Commits

Author SHA1 Message Date
Mamy Ratsimbazafy 090f06614a
Dual headed fork choice (#1163)
* Dual headed fork choice

* fix finalizedEpoch not moving

* reduce fork choice verbosity
2020-06-16 00:40:16 +02:00
Viktor Kirilov 06873abde3 fixed build 2020-06-10 13:50:50 +03:00
Mamy Ratsimbazafy ce897fe83f
[Split fork choice PR] Derisk-ed attestation checks changes (#1154)
* Derisked attestation pool improvements

* tune down frequent logs

* VoteTracker logging
2020-06-10 08:58:12 +02:00
tersec a50415a719
temporary workaround for witti attestation dropping (#1131) 2020-06-08 09:22:31 +02:00
Dustin Brody 74dc2fffa6 3x blocksim speedup by using EpochRef in attestation pool addResolved(...) 2020-06-05 13:02:35 +00:00
Jacek Sieka 56ffb696be
reorder ssz (#1099)
* reorder ssz

* split into hash_trees and ssz_serialization, roughly, for hashing and
IO
* move bitseqs into ssz (from stew)
* clean up imports

* docs, imports
2020-06-03 15:52:02 +02:00
tersec 093d298b2b
Increase finalization and finalization checking robustness (#990)
* fix some warnings related to beacon_node splitting; reimplement finalization verification more robustly; improve attestation pool block selection logic

* re-add missing import

* whitelist allowed state transition flags and make rollback/restore naming more consistent

* restore usage of update flags passed into skipAndUpdateState(...) in addition to the potential verifyFinalization flag

* switch rest of rollback -> restore
2020-05-09 12:43:15 +00:00
Jacek Sieka 28d6cd2524
avoid memory allocations and copies when loading states (#942)
* rolls back some of the ref changes
* adds utility to calculate stack sizes
* works around bugs in nim exception handling and rvo
2020-04-28 10:08:32 +02:00
Zahary Karadjov 4e9fa51ae9 Introduce BeaconNodeRef and use it in all the right places 2020-04-26 13:04:53 +03:00
Jacek Sieka 494ffb63ce
eh fixes (#926)
* work around improbable exceptions in metrics / chronos
* fix unnecessary lookup in block pool
2020-04-24 09:16:11 +02:00
tersec cd388bc9bb
extended validation (#812)
* initial extended validation setup

* flesh out all TODO items for attestation and beaconblock verification

* fix finalization and add chronicles debugging messages

* directly use blockPool.headState rather than pointlessly updating it and document this constraint

* fix logic relating to first-attestation checking; support validating blocks across multiple forks
2020-03-31 18:39:02 +00:00
tersec f5f939bd31
0.11.1 beacon chain spec update (#836)
* initial 0.11.1 spec commit; no test regressions and finalizes in eth2_network_simulation

* with BLS 0.10/0.11 available, stop skipping attester slashing, proposer slashing, and voluntary exist operations fixture tests

* switch param orders to group state.{fork, genesis_validators_root}; bump spec/datatypes spec version for network purposes

* mark attestation construction and broadcast and some minimal/mainnet constants as 0.11.1-compatible; remove phase 1 sharding constants from minimal which don't exist in that preset
2020-03-30 11:31:44 +00:00
Jacek Sieka 689bcf71c4 clean up block creation
* consistently use state at new block slot to produce block
* factor out signature funcs
* fix missing block application test
2020-03-22 11:15:07 +00:00
Mamy André-Ratsimbazafy bfd4df912e Update to BLS v0.10.1 2020-03-13 12:20:41 +00:00
Jacek Sieka 9a3db7a81f
[WIP] Fake bls at runtime (#735)
* Initial implementation of runtime bls skipping.

Add libnfuzz skipBLSValidation handling, check that it propagates.

* Rename skipBLSValidation -> skipBlsValidation, start skipStateRootValidation
* Replace skipValidation flags with more granular flags.

Also added skipBlockParentRootValidation flag
Mainly replaced with skipBlsValidation but also StateRoot or
BlockParentRootValidation flags where appropriate.

* Adjust interop test to pass when skipping merkle validation.
* Stop skipping validation for mainchain_monitor.
* Remove comment.
* Also skipMerkleValidation for test_beacon_chain_db.
2020-03-05 13:52:10 +01:00
Dustin Brody a8567cafb5 mark out where/how AttestationData and Attestation construction are honest validator-compliant 2020-02-21 19:44:03 +00:00
Mamy Ratsimbazafy 1ba2cebd85 v0.10.1 (test vectors + unchanged parts) (#696)
* update to 0.10.1

* SSZ Generic and nbench uses the v0.10.1 fixtures

* Tests + spec links: v0.10.0 -> v0.10.1

* Add v0.10.1 TODO in get_latest_attesting_balance (forkchoice)

* SSZ Bytes are now ByteList

* Remove nim-result submodules that was leftover/added by mistake in the branch
2020-01-27 10:56:32 +00:00
Jacek Sieka 7dc2434e0d
clean up attestation logging 2020-01-23 18:48:26 +01:00
Jacek Sieka b994da78a7 Move some attestation/block logic out of beacon node
* state data cache in block pool
* keep head state around
* more attestation logic in attestation pool
* first fork choice tests (!)
* fix fork choice (it's still likely broken / out of date)
2019-12-19 16:17:45 +00:00
Jacek Sieka eea523a89e logging fixes
* don't log out-of-sync when there's no work to do
* small logging fixes
2019-12-10 10:18:30 +00:00
Jacek Sieka fd4de5de0f
start untangling beaconnode (#589)
* Move BeaconNode type to its own file (fewer imports)
* disentangle sync protocol/request manager
* fix some old nimisms
* de-fear some logs
* simplify eth1 data production
* add stack tracing to release builds
* drop release compile flag for testnet
2019-11-25 15:36:25 +01:00
Dustin Brody c0f009908c
re-enable test_interop based on zcli with 0.9.1 specs and update initialize_beacon_state_from_eth1(...) to 0.9.1 (#569)
* re-enable test_interop based on zcli with 0.9.1 specs and update initialize_beacon_state_from_eth1(...) to 0.9.1

* switch many procs to funcs

* fix import os.nim instead; ospaths is deprecated [Deprecated] warnings
2019-11-21 09:15:10 +00:00
Dustin Brody 5a54c823d8 update to 0.9.1: don't try to run removed tests; re-add 1.5 tests (one only in minimal); remove bls_verify_multiple(...) and AttestationDataAndCustodyBit; and update process_attester_slashing(...), get_indexed_attestation(...), and is_valid_indexed_attestation(...) 2019-11-13 13:49:38 +00:00
Dustin Brody d5ce142511 fix network sim finalization; remove get_attestation_data_slot(...); remove 2 more get_crosslink_committee(...) calls 2019-11-12 14:49:26 +00:00
Dustin Brody 68654848cb update get_attesting_indices(...) to 0.9.0; remove Crosslink from AttestationData to update AttestationData to 0.9.0; rm get_winning_crosslink_and_attesting_indices(...) and get_crosslink_deltas(...) 2019-11-08 13:23:08 +00:00
Dustin Brody 63e621c27d
initial 0.9.0 spec sync (#509)
* 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
2019-10-30 19:41:19 +00:00
Mamy Ratsimbazafy 0b68f3dc63
[Interop branch] Log improvements - part 1 (#439)
* use service/category/process for blockpool logs
Only track fork choice logs in block pool (vs beacon_node)
Reduce verbosity on usual event in block pool

* rework beacon node logs

* log for attestations in blockpool

* log - att pool improvement

* use logScope and topics cf review and discussion

* use 7 letters for beacon_node

[log] report peers at slot start + fix bracket prefix [Block pool] Attestation sent
2019-09-23 11:35:41 +02:00
Dustin Brody c47e3903be rm some less-useful debug and tracing noise (#355) 2019-08-23 11:39:23 +02:00
Zahary Karadjov 912563648e
Fix the json build; Don't long the non-attesting indices in the testnets 2019-08-21 14:21:08 +03:00
Jacek Sieka 78f7a4a505 restore network sim finalization
* relax attestation validation when attestation is incoming but make it
more strict when adding to block
* share attestation validation logic between attestation pool and state
transition
* remove a bunch of redundant logging
* fix potential underflow in attestation delay checking
* fix committee used for attestation shard selection when attesting
* fix attestation data construction
2019-08-19 21:05:54 +03:00
Jacek Sieka e639cd95c7
humaneXNum -> shortLog 2019-08-15 18:01:55 +02:00
Dustin Brody 3e587d4667
Justification/finalization amelioration using testnet1 shard count and epoch length (#331)
* working justification, 1 node, 64 validators

* closer to tn1 params: 256 validators

* more debugging output; switch to minimum test case

* working justification and finalization in local network simulation

* fix currently incorrect state transition/attestation test assumption
2019-08-14 08:56:32 +00:00
Zahary Karadjov 5ce50b3aca
Implement the latest networking spec
https://github.com/ethereum/eth2.0-specs/pull/1328
2019-08-07 05:22:28 +03:00
Zahary Karadjov 398ea55801
Implement the latest SSZ specification and integrate the official SSZ test suite 2019-08-05 03:18:48 +03:00
Dustin Brody 68be98cafa
More 0.8.0 updates (#311)
* replace BeaconState.finalized_{epoch,root} with BeaconState.finalized_checkpoint; rename get_delayed_activation_exit_epoch(...) to compute_activation_exit_epoch(...) and mark as 0.8.0; update get_churn_limit(...)/get_validator_churn_limit(...) to 0.8.0; update process_registry_updates(...) to 0.8.0

* update process_crosslinks(...) to 0.8.0; mark compute_start_slot_of_epoch(...) and get_committee_count(...) as 0.8.0

* mark Fork, is_slashable_validator(...), and get_beacon_proposer_index(...) as 0.8.0

* rename LATEST_SLASHED_EXIT_LENGTH to EPOCHS_PER_SLASHINGS_VECTOR; update process_slashings(...) to 0.8.0; remove pointless type conversion warning in get_previous_epoch(...)

* convert remaining references to finalized_epoch to finalized_checkpoint.epoch

* update slash_validator(...) to 0.8.0; mark inital value, Gwei, and time constants as 0.8.0; mark hash(...) and processBlockHeader(...) as 0.8.0

* rename WHISTLEBLOWING_REWARD_QUOTIENT to WHISTLEBLOWER_REWARD_QUOTIENT; rename LATEST_ACTIVE_INDEX_ROOTS_LENGTH to EPOCHS_PER_HISTORICAL_VECTOR (randao will also get merged into this); remove get_active_index_root(...); mark time parameter, signature domain types, and max operations per block constants as 0.8.0; update rewards and penalties constants to 0.8.0

* update is_valid_indexed_attestation(...) to 0.8.0; mark process_slot(...) as 0.8.0

* replace BeaconState.{current,previous}_justified_{epoch,root} with BeaconState.{current,previous}_justified_checkpoint
2019-07-05 08:30:05 +00:00
Dustin Brody 8a5e5334d6 re-implement attestation checking in 0.8.0 form and rename relevant function from checkAttestation(...) to spec's process_attestation(...), though there's a slight difference in how they're factored; remove a couple of pointless type conversion warnings; rename validate_indexed_attestation(...) to is_valid_indexed_attestation(...); remove verify_bitfield(...) not in 0.8.0; update AttestationData to 0.8.0 by using Checkpoint data structure; rename MAX_CROSSLINK_EPOCHS to MAX_EPOCHS_PER_CROSSLINK 2019-07-03 10:41:42 +03:00
Dustin Brody fb601bd5b8 rename BeaconState.validator_registry to BeaconState.validators 2019-07-01 14:44:57 +03:00
Dustin Brody e4321dc4ed Initial frozen phase 0/v0.8.0 spec (#305)
* rename slot_to_epoch(...) to compute_epoch_of_slot(...)

* rename aggregation_bitfield/custody_bitfield fields to aggregation_bits/custody_bits; rename convert_to_indexed(...) to get_indexed_attestation(...); mark BeaconBlockHeader as 0.8.0; update minimal preset MIN_ATTESTATION_INCLUSION_DELAY/time parameters in general to 0.8

* fix beacon node compilation; it used slightly different capitalizations of slot_to_epoch/slotToEpoch

* mark integer_squareroot(...), Deposit, VoluntaryExit, and Transfer as 0.8.0; rename get_epoch_start_slot(...) to compute_start_slot_of_epoch(...)

* add new Domain alias for uint64; rename bls_domain(...) to compute_domain(...), MAX_INDICES_PER_ATTESTATION to MAX_VALIDATORS_PER_COMMITTEE, and SignatureDomain to DomainType; update get_domain(...) to 0.8.0

* update/mark initiate_validator_exit(...) and Crosslink as 0.8.0; rename BeaconState.latest_block_roots -> BeaconState.block_roots; mark HistoricalBatch as 0.8.0
2019-07-01 09:53:42 +02:00
Dustin Brody 43a9e904cf
replace get_attestation_slot(...) with 0.7.1 get_attestation_data_slot(...) and update all callers; update AttestationData to be almost 0.7.1, except nonextistent slot field; update Crosslink and get_winning_crosslink_and_attesting_indices(...) to 0.7.1 (#297) 2019-06-25 11:17:08 +00:00
Dustin Brody c7e06374f4
Remove get_crosslink_committees_at_slot and fix research/state_sim (#291)
* migrate attestation pool tests from get_crosslink_committees_at_slot(...) to get_crosslink_committee(...)

* rm obsolete, unused get_crosslink_committees_at_slot_cached(...) and migrate tests/test_state_transition from get_crosslink_committees_at_slot(...) to get_crosslink_committee(...)

* migrate tests/testutil from get_crosslink_committees_at_slot(...) to get_crosslink_committee(...)

* use more pervasive caching infrastructure, initially of compute_committee; remove buggy (and per-index) shuffling to fix research/state_sim, which was noticing validators on multiple shard committees; rm now-unused specific get_attesting_balance_cached

* add some get_active_validator_index caching

* rm obsolete/unused get_attesting_indices_cached

* rm get_crosslink_committees_at_slot(...)

* some more 0.7 changes -- some of which can't be completed pending some data structure updates -- and shard handling changes to offset with epoch start shards
2019-06-24 09:21:56 +00:00
Dustin Brody d400650eeb
0.6.3 updates (#279)
* update IndexedAttestation, verify_slashable_attestation/verify_indexed_attestation, and attester slashing processing to 0.6.3

* rm debug scaffolding

* rename Attestation.aggregate_signature -> Attestation.signature; convert various references to AttestationData.slot to get_attestation_slot; implement convert_to_indexed; update checkAttestation and processAttestations to 0.6.3; remove spurious assertion in beacon node related to invalid attestations

* replace 0.5 get_winning_root_and_participants with 0.6 get_winning_crosslink_and_attesting_indices; update process_crosslinks to 0.6.3

* mark both remaining 0.6.0 spec implementations as 0.6.3

* clear out all remaining spec version 0.6.1 refs

* GENESIS_SLOT and GENESIS_EPOCH are 0

* rm 0.5 get_attestation_participants in favor of 0.6 get_attesting_indices

* address mratsim's comment

* time can be equal to genesis

* fix invalid block assertions; those were essentially spurious

* allow toBeaconTime to handle time before genesis (in accordance with now(...) which states time can exist before GENESIS)
2019-06-12 07:48:49 +00:00
Jacek Sieka 16fb9e8d11 Add support for dealing with overlapping attestations (#262) 2019-06-03 08:26:38 +00:00
Dustin Brody 46b4154ce8 begin 0.6.0 (#256)
* begin 0.6.0: new get_domain/increase_balance/reduce_balance, BeaconState.validator_balances -> BeaconState.balances, some renamed constants, transaction processing changes, SlashableAttestation field name changes, 0.6.0 get_beacon_proposer_index always uses given state's slot, update tests subrepo

* mark get_bitfield_bit/bls_verify_multiple/stat-list-lengths/is_active_validator/is_surround_vote/slot_to_epoch/int_to_bytes/etc as unchanged in 0.6.0; rm Eth1DataVote/maybe_reset_eth1_period and thus adjust expected tree hash test results

* mark verify_bitfield/bls_verify/deposit-contract/VoluntaryExit/PendingAttestation/Historicalbatch/Fork as 0.6.0; update DOMAIN_BEACON_BLOCK to DOMAIN_BEACON_PROPOSER

* update Crosslink to 0.6.0 (also requires tree hashing test result change, so isolate in individual commit)

* mark verify_merkle_branch/get_delayed_activation_exit_epoch/ProposerSlashing/Attestation/AttestationDataAndCustodyBit/hash/integer_squareroot/get_epoch_start_slot/is_double_vote/get_randao_mix/generate_seed as 0.6.0; update reward and penalty quotients; SlashableAttestation -> IndexedAttestation; rm get_fork_version; ATTESTATION_INCLUSION_REWARD_QUOTIENT -> PROPOSER_REWARD_QUOTIENT
2019-04-29 10:48:30 -06:00
Jacek Sieka 201b079fe3 avoid bad blocks by filtering included attestations
* fix epoch violation during initial attestation validation
* fill in attestation fields (finalizes again!)
2019-03-28 21:10:08 +02:00
Jacek Sieka e7b36c4389 add beacon clock and rework timing
* have regular slot tick, decide on work to do lazily
* use beacon clock instance that will eventually sync time
* skip work when falling behind
* add one more state cache for justified state (since that's used in
fork choice)
* remove old sync cruft
* single timer per slot, serializing block production and attestation
2019-03-26 13:21:48 +02:00
Jacek Sieka ee89ef1c79
cleanups (#189)
* add simple bitfield type (fixes #19)
* fix bit endianess to match spec
* consolidate attestation and block logging
* cruft cleanup
* run optimizer on tests, speeds up build
2019-03-20 14:01:48 -06:00
Dustin Brody 2bc632c29b
AttestationData.justified epoch -> AttestationData.source_epoch and AttestationData.latest_crosslink -> AttestationData.previous_crosslink; implement verify_merkle_branch and update process_deposit to use it; rm BeaconState.batched_block_roots; Transfer.{from, to} -> Transfer.{sender, recipient}; update Fork data type and code to use bytes4; implement int_to_bytes8 (close to metaprogramming time); adjust signed_root and all callers to use 0.5.0 calling signature; processDepositRoot -> processEth1Data (#182) 2019-03-18 15:42:42 +00:00
Zahary Karadjov 6bb38095c9 Command-line and data storage handling for testnets 2019-03-18 12:45:29 +02:00
Dustin Brody 798197879b
Revert "AttestationData.justified epoch -> AttestationData.source_epoch and AttestationData.latest_crosslink -> AttestationData.previous_crosslink; implement verify_merkle_branch and update process_deposit to use it; rm BeaconState.batched_block_roots; Transfer.{from, to} -> Transfer.{sender, recipient}; update Fork data type and code to use bytes4; implement int_to_bytes8 (close to metaprogramming time); adjust signed_root and all callers to use 0.5.0 calling signature; processDepositRoot -> processEth1Data"
This reverts commit 18f1d000a1.
2019-03-17 15:24:50 -07:00
Dustin Brody 18f1d000a1
AttestationData.justified epoch -> AttestationData.source_epoch and AttestationData.latest_crosslink -> AttestationData.previous_crosslink; implement verify_merkle_branch and update process_deposit to use it; rm BeaconState.batched_block_roots; Transfer.{from, to} -> Transfer.{sender, recipient}; update Fork data type and code to use bytes4; implement int_to_bytes8 (close to metaprogramming time); adjust signed_root and all callers to use 0.5.0 calling signature; processDepositRoot -> processEth1Data 2019-03-17 15:17:40 -07:00
Ștefan Talpalaru 9ff1eb4ac8
Merge branch 'master' of github.com:status-im/nim-beacon-chain 2019-03-14 00:05:12 +01:00
Ștefan Talpalaru de295619be
assert() -> doAssert() 2019-03-14 00:04:43 +01:00
Jacek Sieka b0f4034060
implement fork choice (#175)
* keep track of a finalized block
* keep track of all justified blocks
* use naive spec version of LMD ghost
* cache slot number and a few more things in BlockRef
* keep track of the latest vote of each validator
* depend less on the state of node.state (it's a cache, effectively)
2019-03-13 16:59:20 -06:00
Dustin Brody 50a0948bc0 Mostly convert to using distinct Slot type (#172) 2019-03-12 16:21:32 -06:00
Mamy André-Ratsimbazafy 6dea18c140
Squashed commit of the following:
commit bed6909f33
Author: Mamy André-Ratsimbazafy <mamy_github@numforge.co>
Date:   Mon Mar 11 12:22:35 2019 +0100

    Cleanup imports

commit 241f62ed8d
Author: Mamy André-Ratsimbazafy <mamy_github@numforge.co>
Date:   Mon Mar 11 12:06:00 2019 +0100

    Group beacon types to prevent recursive imports
2019-03-12 16:03:14 +01:00
Jacek Sieka 125231d321
add initial block pool (#139)
* implement in-memory block graph
* store tail block in database
* resolve unknown parents by syncing them from peers
* introduce concept of resolved blocks and attestations - those that
follow minimal protocol rules
* update state head lazily
* log more stuff
* shortHash -> shortLog
* start 9/10 beacon nodes by default, last can be started manually
* see also #134
* fix start.sh epoch length
2019-02-28 15:21:29 -06:00
Jacek Sieka 2d307e2257
initial state replay implementation
* fix initial attestation pool on reordered attestations
* simplify db layer api
* load head block from database on startup, then load state
  * significantly changes database format
* move subscriptions to separate proc's
* implement block replay from historical state
* avoid rescheduling epoch actions on block receipt (why?)
* make sure genesis block is created and used
* relax initial state sim parameters a bit
2019-02-20 22:42:17 -06:00
Dustin Brody 132f1147a2 spec 0.3.0 updates: EPOCH_LENGTH -> SLOTS_PER_EPOCH, SlotNumber -> Slot, EpochNumber -> Epoch (#127)
* spec 0.3.0 updates: EPOCH_LENGTH -> SLOTS_PER_EPOCH, SlotNumber -> Slot, EpochNumber -> Epoch
2019-02-19 19:33:58 -06:00
Jacek Sieka 4670d6c98a naive attestation pool, in preparation of fork choice integration (#125)
* move attestation pool to separate file
* combine attestations lazily when needed
* advance state when there's a gap while attesting
* compile beacon node with optimizations - it's tooo slow right now
* log when unable to keep up
2019-02-20 00:35:02 +01:00