Commit Graph

4557 Commits

Author SHA1 Message Date
Danny Ryan c396ee1e3f
Merge pull request #2595 from mkalinin/terminal-pow-block-verification
Verify terminal PoW block after call to state_transition
2021-09-15 17:11:27 -06:00
Alex Stokes 899bde0873
Rename client_settings.md to client-settings.md 2021-09-13 06:31:11 -07:00
Mikhail Kalinin 960a49afc9 Verify terminal PoW block after call to state_transition 2021-09-10 16:07:26 +06:00
lsankar4033 879a60a169 Run doctoc 2021-09-09 08:45:21 -07:00
Lakshman Sankar 83471fe461
Apply suggestions from code review
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-09-09 08:38:33 -07:00
Lakshman Sankar 252f4ea14a
Wording change
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-09-09 08:37:39 -07:00
Lakshman Sankar 771933d1a7
Stronger language around usage of the setting
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-09-09 08:37:27 -07:00
Lakshman Sankar 385ee12ef0
'should' -> 'must'
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-09-09 08:36:54 -07:00
Lakshman Sankar de1487564a
Wording change
Co-authored-by: Mikhail Kalinin <noblesse.knight@gmail.com>
2021-09-09 08:36:42 -07:00
Lakshman Sankar 10f4ea4b51
Wording change
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-09-09 08:36:25 -07:00
lsankar4033 a542a07578 Fix links 2021-09-08 13:06:22 -07:00
lsankar4033 0f7d8e5552 Add notes in merge/fork.md 2021-09-08 13:03:05 -07:00
lsankar4033 01fe3cdb08 Add note about default behavior 2021-09-08 12:57:49 -07:00
lsankar4033 49d225bb78 Add new --terminal-total-difficulty-override client_setting 2021-09-08 12:34:33 -07:00
Mikhail Kalinin 02057cb13e Fix spelling 2021-09-01 20:59:16 +06:00
Mikhail Kalinin 6ba1f22404 Set ExecutionPayload.random to the previous randao_mix 2021-09-01 18:42:58 +06:00
Mikhail Kalinin 5a84224d1a Change transition_td to terminal_td in the merge spec 2021-08-30 18:23:25 +06:00
Danny Ryan dfef7fc442
Merge pull request #2565 from ericsson49/ericsson49/fix_typos_in_sharding_2
Fix typos in `sharding/beacon-chain.md`
2021-08-23 12:14:12 -06:00
ericsson 34d42b640d Fix typo in `get_start_shard` 2021-08-23 20:09:41 +03:00
ericsson 33552279bf Fix typos in `get_shard_proposer_index`: `beacon_state` vs `state` 2021-08-23 20:09:01 +03:00
ericsson 96c05adcf8 Fix typing problem: `is_merge_block` accepts `BeaconBlockBody` as a second argument, while `BeaconBlock` is provided 2021-08-23 18:52:09 +03:00
Hsiao-Wei Wang 15a6c48a46
Merge pull request #2518 from ethereum/fix-store-justified-checkpoint
Fix fork choice store checkpoints inconsistency issue
2021-08-23 23:41:11 +08:00
ericsson 43a6beceb6 make doctoc happy 2021-08-23 14:46:06 +03:00
ericsson fe1b9961ff Fix typos in sharding.md 2021-08-23 14:21:38 +03:00
Danny Ryan a3953a10fe
minor format 2021-08-19 10:11:02 -06:00
Hsiao-Wei Wang 206126644f
More fixes 2021-08-19 23:34:54 +08:00
Hsiao-Wei Wang 59d8ee34f9
Update some "1.0" "2.0" wording 2021-08-19 23:24:04 +08:00
Danny Ryan 911a4169fe
spelling
Co-authored-by: Diederik Loerakker <proto@protolambda.com>
2021-08-19 07:59:05 -06:00
Danny Ryan 4c1156d504
rename eth1 and eth2 throughout specs and readme where reasonable 2021-08-18 17:13:24 -06:00
Hsiao-Wei Wang 6ffc735642
Merge branch 'dev' into fix-store-justified-checkpoint 2021-08-17 21:28:42 +08:00
Mikhail Kalinin e3cad13497 Make base_fee_per_gas little-endian 2021-08-16 18:35:11 +06:00
Mikhail Kalinin 301157c027 Change base_fee_per_gas type to Bytes32 2021-08-13 14:21:37 +06:00
Anton Nashatyrev 68db644ae9
Rename DataCommitment.length field to samples_count and fix degree_proof validation 2021-08-11 15:11:37 +02:00
Danny Ryan c404cd144a
Merge pull request #2533 from mkalinin/rebase-with-london
Rebase Merge spec with London
2021-08-10 16:37:32 -06:00
Danny Ryan 08210fe067
Merge pull request #2531 from ethereum/merge-p2p
add base merge p2p spec
2021-08-10 16:29:33 -06:00
Danny Ryan c5b958e9d0
Merge pull request #2486 from ethereum/shard-building
Shard builder <> proposer separation
2021-08-10 16:15:24 -06:00
protolambda da893c123e
update p2p shard blob/header/tx propagation windows 2021-08-10 23:18:59 +02:00
Diederik Loerakker d005fee67d
sharding p2p code review fixes
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-08-10 13:48:26 +02:00
Mikhail Kalinin ef71a4af1d Polishing as per code review 2021-08-10 17:15:07 +06:00
Danny Ryan 600f55ba7f
add basic execution-layer p2p beacon_block validations 2021-08-09 17:50:56 -06:00
Hsiao-Wei Wang 93af122b2d
PR feedback from @ralexstokes and add single pubkey aggregate tests 2021-08-05 12:09:30 +08:00
Hsiao-Wei Wang 56c92136f2
Merge branch 'dev' into altair-bls-tests 2021-08-05 11:18:41 +08:00
protolambda fc3e651817
samples -> samples_length 2021-08-04 23:25:25 +02:00
Hsiao-Wei Wang 43a1617ffa
Ensure that the given PKs are valid PKs + fix typos 2021-08-04 21:25:37 +08:00
Diederik Loerakker 424f838747
Update specs/sharding/beacon-chain.md
Co-authored-by: Danny Ryan <dannyjryan@gmail.com>
2021-08-04 12:44:42 +02:00
Hsiao-Wei Wang b262854bb1
Rename the `eth2_*` functions to `eth_` 2021-08-03 21:51:02 +08:00
protolambda 322f072703
sharding: remove outdated comment, timely shard attesters are marked in attestation-processing, no need for epoch processing additions 2021-07-31 13:22:26 +02:00
protolambda 2d17c8c3c4
move back INITIAL_ACTIVE_SHARDS to preset, avoid changing mainnet config 2021-07-30 22:22:43 +02:00
protolambda add5810d71
remove unused pending attestation fields 2021-07-30 22:06:04 +02:00
protolambda ab78339350
fix variable name of summary field 2021-07-30 21:54:55 +02:00
Mikhail Kalinin f1982d4fc3 Replace underflow check with respective comment 2021-07-30 16:18:05 +06:00
Mikhail Kalinin d58ffc7dfc Add genesis settings section 2021-07-30 16:10:33 +06:00
Mikhail Kalinin 5d5a9e392b Rename GAS_LIMIT_DIVISOR to GAS_LIMIT_DENOMINATOR 2021-07-30 12:43:54 +06:00
Mikhail Kalinin c311712bca
Apply suggestions from code review
Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>
2021-07-30 12:36:02 +06:00
protolambda 0daaafbc98
fix union value retrieval, thanks @terencechain 2021-07-28 22:00:23 +02:00
protolambda d47d2f92cc
shard fees: implement review suggestions from @nashatyrev 2021-07-27 14:48:21 +02:00
protolambda 756eb90bfe
consider per-slot sample target adjustment, to avoid racing and ordering problems 2021-07-26 16:27:19 +02:00
Mikhail Kalinin 789e10ea7c Update toc 2021-07-26 20:09:57 +06:00
Mikhail Kalinin 9a1a30c3d4 Rebase Merge spec with London 2021-07-26 19:55:35 +06:00
protolambda 1a966d1e37
work in progress new sharding fee mechanism 2021-07-26 15:26:55 +02:00
Danny Ryan 35df4b2d4f
rephrase context enum for blocks_by requests 2021-07-23 07:54:26 -06:00
protolambda a7f58ef08a
fix comment + handle missing pending headers 2021-07-23 12:56:01 +02:00
protolambda f791fe7d1c
implement review suggestions
Co-authored-by: Anton Nashatyrev <anton.nashatyrev@gmail.com>
2021-07-23 12:56:01 +02:00
protolambda b25afc88fd
update networking spec with aggregate proposer/builder types, update TOCs 2021-07-23 12:56:00 +02:00
protolambda 5034e2d7bc
update shard spec wording + fix shard slashings 2021-07-23 12:56:00 +02:00
protolambda 5726cb9374
aggregate builder and proposer for simplified typing and optimized verification 2021-07-23 12:56:00 +02:00
protolambda 2a105f4581
fix toc 2021-07-23 12:56:00 +02:00
protolambda b3d5858cc9
update data fee payment, todo 2021-07-23 12:55:59 +02:00
protolambda 9e10f58299
update networking spec 2021-07-23 12:55:59 +02:00
protolambda 4b25239617
builders make blobs, proposers make blocks 2021-07-23 12:55:59 +02:00
protolambda bc936768c7
global selection of shard proposers 2021-07-23 12:55:55 +02:00
Anton Nashatyrev 06b8bb1a57
Simplify get_start_shard function 2021-07-23 12:45:03 +02:00
protolambda bf6ad465ce
remove old BeaconState extension 2021-07-22 20:01:50 +02:00
protolambda bb0848b6f6
carry over current and previous_sync_committee in Merge state upgrader, review from @djrtwo 2021-07-22 19:58:10 +02:00
Danny Ryan 3b34f16e5a
add base merge p2p spec 2021-07-22 11:09:36 -06:00
protolambda 17fad2dea2
rebase The Merge onto Altair base functionality 2021-07-22 16:36:41 +02:00
Danny Ryan f7a2a973ac
Update specs/altair/p2p-interface.md
Co-authored-by: Alex Stokes <r.alex.stokes@gmail.com>
2021-07-21 15:51:59 -06:00
Danny Ryan 02a9fc460e
require aggregation bits to have at least one participant in sync contributions 2021-07-21 11:10:09 -06:00
Mikhail Kalinin 65f6aa1b33 Replace PyUnion with Optional 2021-07-20 17:37:52 +06:00
Mikhail Kalinin add00ad2e0 Replace get_pow_chain_head with get_pow_block_at_total_difficulty in validator.md 2021-07-17 12:33:06 +06:00
Mikhail Kalinin a4a050e97a Enforce terminal PoW block to be on the cusp 2021-07-16 19:16:32 +06:00
Hsiao-Wei Wang 63ca480ea3
Add condition check in `on_tick` to ensure that `store.justified_checkpoint` is a descendant of `store.finalized_checkpoint` 2021-07-14 20:02:28 +08:00
Danny Ryan 6d0deddbe5
modify target sync committee aggregators to more sound 16 2021-07-12 09:03:43 -06:00
Danny Ryan 8140a789c4
Merge pull request #2509 from terencechain/patch-124
Rename a few instances of `signature` to `message`
2021-07-08 10:09:12 -06:00
Danny Ryan 88bb7562aa
Update specs/altair/beacon-chain.md 2021-07-07 16:11:58 -06:00
terence tsao 6f31077afa
Update `get_next_sync_committee` notes 2021-07-07 10:42:52 -07:00
terence tsao 3a59c1b789
Rename a few instances of signature to message 2021-07-07 10:04:26 -07:00
Justin c8d22b1d91
fix minor cosmetic typo 2021-07-07 13:44:22 +01:00
Danny Ryan 00afb341de
Merge pull request #2479 from mkalinin/randao_in_execution_payload
Add randao to execution payload
2021-06-23 08:30:21 -06:00
Danny Ryan c61eeb8a27
optimize sync committee message gossip and caches 2021-06-22 12:31:02 -06:00
Mikhail Kalinin ac19aa3e2d Accept polishing suggested by Justin 2021-06-22 14:23:26 +06:00
Danny Ryan 8107d0d582
Merge pull request #2485 from nisdas/patch-1
Make The Nature of Validator Sync Committee Assignments Clearer
2021-06-21 16:51:11 -05:00
Danny Ryan fc1012b632
typo 2021-06-21 12:49:41 -06:00
Danny Ryan a61aa7968d
clean up 2021-06-21 12:48:44 -06:00
Mikhail Kalinin 199d6aee58 Merge remote-tracking branch 'origin/dev' into randao_in_execution_payload 2021-06-19 00:28:38 +06:00
Justin 878b15df6a
polish merge/beacon-chain.md (#2472)
Polish `merge/beacon-chain.md` with mostly non-substantive changes.

**Non-substantive changes**

* rename `MAX_EXECUTION_TRANSACTIONS` to `MAX_TRANSACTIONS_PER_PAYLOAD`
	- rename "execution transaction" to just "transaction" as per discussion with Danny
* rename `compute_time_at_slot` to `compute_timestamp_at_slot`
	- the function returns a Unix timestamp
	- "timestamp" matches `execution_payload.timestamp`
* be explicit about `ExecutionEngine.execution_state` for clarity
* rename `ExecutionPayload.number` to `ExecutionPayload.block_number`
	- more specific ("number" is pretty vague)
	- consistent with `ExecutionPayload.block_hash`
* rename `new_block` to `on_payload`
	- the `on_` prefix is consistent with other event handlers (e.g. see `on_tick`, `on_block`, `on_attestation` [here](https://github.com/ethereum/eth2.0-specs/blob/dev/specs/phase0/fork-choice.md#handlers))
	- the `_payload` suffix is more to the point given the function accepts an `execution_payload`
	- avoids conflict with `on_block` which is already used in the fork choice
* rework the table of contents for consistency
* order `is_execution_enabled` after `is_transition_completed` and `is_transition_block`
	- `is_execution_enabled` refers to `is_transition_completed` and `is_transition_block`
* rename "transition" to "merge"
	- "transition" is a bit vague—we will have other transitions at future hard forks
	- there is no need for two words to refer to the same concept
* add a bunch of inline comments, e.g. in `process_execution_payload`
* make the `process_execution_payload` signature consistent with the other `process_` functions in `process_block` which take as arguments `state` and `block.body`
* remove `TRANSITION_TOTAL_DIFFICULTY`
	- to be put in `merge/fork-choice.md` where it is used 
* various misc cleanups

**Substantive changes**

* reorder `ExecutionPayload` fields
	- for consistency with yellow paper and Eth1
	- same for `ExecutionPayloadHeader`
	- added comments separating out the execution block header fields from the extra fields (cosmetic)
2021-06-18 11:09:30 +01:00
protolambda dadcb2a06a
Merge branch 'dev' into ericsson49/fix_reset_pending_shard_work 2021-06-17 18:54:29 +02:00
Diederik Loerakker c68ce56407
Merge pull request #2483 from ericsson49/ericsson49/fix_append_in_process_shard_header
Fix typing problem: append is invoked on a ShardWork instance
2021-06-17 18:50:40 +02:00
Mikhail Kalinin 6e86d8a696 Rename randao->random, other fixes as per review 2021-06-17 21:20:17 +06:00
Nishant Das 67f1c2c2bd
Update validator.md 2021-06-17 23:05:23 +08:00
ericsson 22b2a73615 convert `int` to `CommitteeIndex` when passing to `get_beacon_committee` 2021-06-16 19:07:24 +03:00
ericsson 5b4f89875c use `List[PendingShardHeader,...]` instead of `MutableSequence`, since `remerkleable.List` does not implement the latter 2021-06-16 14:06:17 +03:00
ericsson d83ca352d5 Fix typing problem: `append` is invoked on a `ShardWork` instance 2021-06-16 13:33:56 +03:00
ericsson 27889860f0 fix typo: sometimes `change()` invoked on `ShardWork` itself, should be invoked on its `status` field 2021-06-16 12:03:20 +03:00
Mikhail Kalinin cc20b80103 Fix linter, add more test helpers 2021-06-15 14:55:06 +06:00
Mikhail Kalinin 2e87a6b44e Apply review comments 2021-06-11 22:50:11 +06:00
Mikhail Kalinin 7d617bc7c0 Fix timestamp passed to produce_execution_payload 2021-06-11 22:46:24 +06:00
Mikhail Kalinin 95775e1b90 Add randao to execution payload 2021-06-11 16:05:19 +06:00
protolambda 5140b59c57
add missing parenthesis 2021-06-08 21:51:26 +02:00
Diederik Loerakker 8f8b5ab648
Merge pull request #2475 from ralexstokes/discriminate-sync-comm-msg
Add `message.topic` to gossipsub `message-id` in Altair
2021-06-08 21:47:06 +02:00
Alex Stokes a343680fd4
Add implementation note on message id fn 2021-06-08 14:29:08 -05:00
Alex Stokes f60f13964c
Harden topic serialization 2021-06-08 14:15:57 -05:00
Alex Stokes 25a2e3463e
Update specs/altair/p2p-interface.md
Co-authored-by: Diederik Loerakker <proto@protolambda.com>
2021-06-08 12:06:02 -07:00
Alex Stokes d64b4e7d24
Add `message.topic` to gossipsub `message-id` in Altair 2021-06-08 13:44:06 -05:00
Alex Stokes c7980d3cd0
Clarify p2p validation conditions for Altair sync committees 2021-06-08 13:34:16 -05:00
Danny Ryan 5d9d786499
Merge pull request #2462 from mkalinin/merge-transition-with-dynamic-ttd
Merge transition process with computed transition total difficulty
2021-06-08 09:55:10 -06:00
Mikhail Kalinin 5228dc814f Redefine initialize_beacon_state_from_eth1 2021-06-08 18:44:53 +06:00
Mikhail Kalinin 6350e27366 Add difficulty field to PowBlock 2021-06-08 17:56:07 +06:00
Mikhail Kalinin 038edb5b34 Rename SECONDS_SINCE_MERGE_FORK -> TARGET_SECONDS_TO_MERGE 2021-06-08 17:16:52 +06:00
Mikhail Kalinin 3a6a565a8f
Replace fractional division with integer one
Co-authored-by: vbuterin <v@buterin.com>
2021-06-08 15:03:59 +06:00
protolambda 64f217d3e1
update sync aggregate processing reference in validator doc 2021-06-08 01:05:50 +02:00
Danny Ryan cfc66a3794
patch tests 2021-06-07 16:36:18 -06:00
Danny Ryan 09b6fb0e64
ensure consistency about sync committees vs aggregates in naming throughout 2021-06-07 16:17:46 -06:00
Mikhail Kalinin 96334e3ee7 Switch to suggested td computation formula 2021-06-07 22:21:36 +06:00
Danny Ryan 30f2a07637
Merge pull request #2438 from ralexstokes/add-aggregate-pks-fn
Move BLS extensions to new file in Altair
2021-06-07 07:18:31 -06:00
Danny Ryan 335d7ce1dc
Merge pull request #2446 from ethereum/SyncCommitteeSignature-to-SyncCommitteeMessage
Rename `SyncCommitteeSignature` to `SyncCommitteeMessage` to avoid name conflicts
2021-06-07 07:06:14 -06:00
Danny Ryan 1d5c4ecffb
Merge pull request #2453 from ethereum/vbuterin-patch-11
Modify sync committee logic and parameters to reduce variance
2021-06-04 12:23:16 -06:00
Diederik Loerakker 44f6453ce3
Merge pull request #2452 from Nashatyrev/fix/no-committee-for-shard-case
[Sharding] Handle the case when committee count < active shards
2021-06-04 18:19:33 +02:00
Diederik Loerakker f679a0a086
Merge pull request #2455 from ethereum/sharding-state
New union-based shard headers/commitments representation
2021-06-04 18:18:43 +02:00
Anton Nashatyrev 0ae9a85b17 Adopt shard_blob gossip validation on top of PR #2455: here the `compute_committee_index_from_shard` raises an error if no committee assigned to a shard 2021-06-04 18:48:09 +03:00
Anton Nashatyrev 071abfa846 Revert beacon-chain changes as they are handled in PR #2455 2021-06-04 18:44:35 +03:00
Anton Nashatyrev 116c1c0f3a Merge remote-tracking branch 'EF/dev' into fix/no-committee-for-shard-case
# Conflicts:
#	specs/sharding/p2p-interface.md
2021-06-04 18:43:12 +03:00
protolambda 9050897cb2
fix committee work status and commitment references 2021-06-03 19:11:47 +02:00
Diederik Loerakker d4f6459108
Define missing header_root
Co-authored-by: Anton Nashatyrev <Nashatyrev@users.noreply.github.com>
2021-06-03 18:00:51 +02:00
protolambda c0af420130
shard work status enum, prefix instead of suffix + move full committee balance init line 2021-06-03 17:32:35 +02:00
Hsiao-Wei Wang 45d554aee8
Merge branch 'dev' into SyncCommitteeSignature-to-SyncCommitteeMessage 2021-06-03 22:13:53 +08:00
Mikhail Kalinin 7f64757b51 Fix Optional[TransitionStore] issue to satisfy linter 2021-06-03 16:08:56 +06:00
Mikhail Kalinin 6872c01682 Add an extra line between function def 2021-06-03 12:31:59 +06:00
Danny Ryan b3f2635ce7
Merge pull request #2466 from terencechain/patch-123
Altair: missing `block_root` in `SyncCommitteeSignature`
2021-06-02 16:09:13 -06:00
Danny Ryan 45a71eb267
line length lint 2021-06-02 15:58:51 -06:00
terence tsao 65f48178b7
Include block_root in SyncCommitteeSignature 2021-06-02 14:41:24 -07:00
Mikhail Kalinin 6604830729 Apply suggestions after the review 2021-06-02 15:00:01 +06:00
protolambda 417dda8326
fix committee index assertion 2021-06-01 22:38:36 +02:00
Justin d87e076ce3
Minor Altair cosmetic polishing 2021-06-01 17:05:12 +01:00
Hsiao-Wei Wang 65f8d3d296
Merge branch 'dev' into SyncCommitteeSignature-to-SyncCommitteeMessage 2021-06-01 22:05:10 +08:00
Mikhail Kalinin db32c8b013 Fix linter errors 2021-06-01 17:44:58 +06:00
Mikhail Kalinin 6226be9e1e Implement TransitionStore and transition total difficulty computation 2021-06-01 16:28:30 +06:00
protolambda 2545c3e2d0
update pending header weights after epoch transition, fix committee index loop, fix header processing status assert, add todos for Altair-like shard attestation rewards 2021-05-31 18:55:08 +02:00
Diederik Loerakker 5a235d0251
Review suggestions
Co-authored-by: Anton Nashatyrev <Nashatyrev@users.noreply.github.com>
2021-05-31 17:03:06 +02:00
Mikhail Kalinin fd4369dc7c Add merge/fork.md with upgrade_to_merge definition 2021-05-31 19:30:54 +06:00
protolambda bb3d581b13
update shard processing naming and doc structure 2021-05-29 23:55:16 +02:00
protolambda 31f48b7b3b
update sharding presets 2021-05-29 22:39:25 +02:00
protolambda 3665dbea8b
name (slot, shard) union wrapper ShardWork 2021-05-29 21:28:00 +02:00
Diederik Loerakker 482b028b88
Merge pull request #2436 from terencechain/patch-122
Sharding p2p: minor fixes
2021-05-28 22:09:58 +02:00
protolambda 72215412fa
For slow shard confirmation, assuming it is available via DAS, we could confirm the best pending header 2021-05-28 21:56:13 +02:00
protolambda 38a0f4f211
update to wrap the union, clean up initialization and typing 2021-05-28 21:27:05 +02:00
protolambda e5521af1f8
new union-based shard headers/commitments representation 2021-05-28 20:18:29 +02:00
Alex Stokes b0500c3de1
Update specs/altair/beacon-chain.md 2021-05-27 12:06:01 -07:00
Alex Stokes 4d5bc83af4
Re-org files 2021-05-27 11:59:15 -07:00
Alex Stokes 3cd842a94d
Update specs/altair/beacon-chain.md 2021-05-27 11:39:29 -07:00
vbuterin a89ecced1c
Modify sync committee logic and parameters to reduce variance
Sync committee rewards as currently implemented significantly increase variance in proposer rewards: https://github.com/ethereum/eth2.0-specs/issues/2448

For example, if there are 200000 validators (6.4m ETH staked), then during each 1/4-eek (~54 hour) period there is a chance of 512/200000 that a validator will get accepted into the sync committee, so on average that will happen once every 200000/512 * 1/4 = 97.6 eeks, or close to two years. The payout of this "lottery" is 1/8 of that, or ~12.2 eeks (a bit less than four months) of revenue. This is much more severe than block proposing (a chance of 1/200000 per slot, or a lottery worth ~0.38 eeks of revenue once every ~3.05 eeks).

This PR makes three changes to cut make the sync committee lottery less drastic and bring variance closer in line with what is available from block proposing:

* Reduce the `SYNC_REWARD_WEIGHT` from 8 to 2
* Add a penalty for not participating in the sync committee, so that despite the first change the total net reward for participating vs not participating is only cut down by 2x
* Reduce the sync committee period from 1/4 eek to 1/8 eek (~27 hours)

With these three factors combined, the lottery reduces to ~1.5 eeks of revenue, on average occurring every ~48 eeks. Validators who are maximally unlucky (ie. never become part of a sync committee) only lose ~3.12% of their rewards instead of ~12.5%.

The compromises that this approach makes are:

* In the extreme case where >50% of proposers are operating efficiently, being in a sync committee becomes a net burden. However, this should be extremely rare, and in such cases validators would likely be suffering inactivity leak penalties anyway.
* Incentive to participate in a sync committee decreased by 2x (but this is IMO an improvement; sync committees are _not_ as important as proposals and deserve to have lower rewards)
* Minimum data syncing needed to maintain a light client increases by 2x (from 24 kB per 54 hours to 24 kB per 27 hours). A burden for on-chain light clients, but still insignificant for others.
2021-05-27 09:02:51 -06:00
Danny Ryan d50a12cb18
Merge pull request #2449 from ethereum/fix-sharding-comments
add/update comments on shard blob/header/reference body field
2021-05-27 08:06:32 -06:00
Anton Nashatyrev 414ef614cb Handle the case when a shard may not have a committee at slot.
Block is invalid if contains ShardBlobHeader lacking committee
Reject Gossip ShardBlobHeader and ShardBlob messages which lacks committee
2021-05-27 15:13:13 +03:00
Paul Hauner 48f989070d
Remove naughty space 2021-05-27 15:30:44 +10:00
Paul Hauner 103d029a1a
Add clock disparity tolerance for sync subnets 2021-05-27 15:28:51 +10:00
protolambda 1360860d1e
add/update comments on shard blob/header/reference body field 2021-05-27 03:57:59 +02:00
Alex Stokes a08d23189e
Update specs/altair/validator.md
Co-authored-by: Hsiao-Wei Wang <hsiaowei.eth@gmail.com>
2021-05-26 15:51:22 -07:00
Hsiao-Wei Wang a25bc832b9
Update section headers 2021-05-26 03:01:38 +08:00
Hsiao-Wei Wang 0142978b60
Rename `SyncCommitteeSignature` to `SyncCommitteeMessage` 2021-05-26 02:36:54 +08:00
Alex Stokes 41ca149429
Explicitly define `bls.AggregatePKs` 2021-05-24 11:56:10 -07:00
terence tsao 71d0d45343
Align table 2021-05-24 06:57:09 -07:00
terence tsao 814c7696d9 shard_blob_header -> shard_header 2021-05-24 06:55:17 -07:00
terence tsao 4a5947d49e Proto's suggestion 2021-05-24 06:54:38 -07:00
terence tsao 96352726bb
Sharding p2p: minor typo fixes 2021-05-22 10:31:10 -07:00
Danny Ryan bca467c926
fmt 2021-05-21 14:36:43 -06:00
Danny Ryan 5bf01c4298
add resourceunavailable error code with more guidance 2021-05-21 14:24:58 -06:00
protolambda e50d8d4391
Merge branch 'dev' into config-rework 2021-05-20 23:31:49 +02:00
protolambda ff021da551
change line formatting, new refence as config var implicitly takes more space 2021-05-19 17:21:30 +02:00
protolambda 291168e1e3
clarify config/preset separation, address review comments by @djrtwo 2021-05-19 17:15:34 +02:00
terence tsao c03c72a543
Altair fork: add a link 2021-05-18 13:50:46 -07:00
Danny Ryan 248363ce21
Merge pull request #2419 from terencechain/patch-120
Fix `PARTICIPATION_FLAG_WEIGHTS` to use correct head weight
2021-05-18 11:27:36 -06:00
ericsson 441992c779 Fix typing problem in `sharding.process_block` 2021-05-18 14:14:43 +03:00
protolambda ef8d6003d3
fix inactivity penalties markdown table 2021-05-18 10:07:35 +02:00
protolambda 2c7a68406f
update config section markdown table header 2021-05-18 09:55:25 +02:00
protolambda e4593d2d0c
update with configs<>presets separation 2021-05-18 09:55:20 +02:00
protolambda c1f1adb4d1
Custody Game constant/preset/config separation 2021-05-18 09:33:07 +02:00
protolambda 4941a97829
Sharding constant/preset/config separation 2021-05-18 09:33:05 +02:00
protolambda 7d59016bb8
Merge constant/preset/config separation 2021-05-18 09:31:07 +02:00
protolambda 7689ebb2bd
Altair constant/preset/config separation 2021-05-18 09:28:09 +02:00
protolambda b9ffd8f640
Phase0 constant/config/preset separation 2021-05-18 09:20:41 +02:00
terence tsao a7344b3ee1
Fix `PARTICIPATION_FLAG_WEIGHTS` to use correct head weight 2021-05-17 21:35:43 -07:00
protolambda fcf37895ba
remove duplicate sharding config var, fix minimal-sharding-config fork epoch name 2021-05-18 00:48:59 +02:00
terence tsao abda2dd5fa
Sharding: move `get_committee_count_per_slot` to the outside 2021-05-14 12:02:46 -07:00
Danny Ryan c87333face
minor review from dankrad on release pr 2021-05-14 10:05:54 -06:00
Danny Ryan 110e6b38ee
remove resourceunavailable for more discussion 2021-05-14 08:07:08 -06:00
Diederik Loerakker 5984fd74b3
Merge pull request #2393 from Nashatyrev/cosmetics/blob-subnet-name
[Sharding] Network: Calculate {subnet_id} for shard_blob_ subnets
2021-05-14 14:49:09 +02:00
Diederik Loerakker a1e64c1ceb
Merge pull request #2368 from Nashatyrev/fix/root-for-empty-shard-header
[Sharding] Calc the right root with respect to (slot, shard) for an empty PendingShardHeader
2021-05-14 14:44:56 +02:00
Danny Ryan 4cd9a6c710
Merge pull request #2385 from ethereum/execution-payload-testing
Execution payload tests
2021-05-14 06:40:40 -06:00
Diederik Loerakker 86792b9232
Merge pull request #2411 from ethereum/order-indices
ensure indices are ordered [source, target, head] everywhere
2021-05-14 14:38:26 +02:00
Danny Ryan 160b704f4a
ensure indices are ordered source, target, head everywhere 2021-05-14 06:19:29 -06:00