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285 Commits

Author SHA1 Message Date
Jacek Sieka
e7f2735271
fix broken metrics during replay (#2090) 
* move metrics out of state transition
* add validator count metric
* remove expensive beacon_current_validators, beacon_previous_validators
metrics (they should be reimplemented with cache), add cheap
beacon_active_validators to approximate
* remove unused validator count metrics
* tidy imports/defects
 2020-11-27 23:16:13 +01:00
tersec
b9e122a60c
address some TODOs (#2005) 2020-11-12 19:24:07 +00:00
tersec
271df8b604
bump 1.0.0rc-0 spec refs to 1.0.0 (#1974) 2020-11-09 14:18:55 +00:00
Jacek Sieka
95f5f76180
Datatype cleanup (#1953) 
* clear up spec todo

* test fix

* remove unnecessary toSszType

* type

* one more
 2020-11-04 21:52:47 +00:00
Jacek Sieka
7c0b4d28d2 speed up reward/penalty calculation 
Calculating rewards/penalties is slow due to how we compute sets of
attestations validators then use the sets for inclusion checks, to see
who attested. The dominant function during validated block processing /
epoch processing is hash set building and lookup.

This PR inverts the flow by removing the sets and creating a single
large validator status list, then applying all relevant state
attestations, then updating rewards and penalties.

This provides a 10x speedup to epoch processing which in turn speeds up
both empty slot and block processing - for example, on startup, we
replay all non-finalized blocks to prime fork choice - the same when
validating attestations or replaying states on reorg.
 2020-10-23 19:23:36 +03:00
Zahary Karadjov
e6320e5881 Address #1584 Don't keep all deposits in memory (persist them to disk) 2020-10-15 20:15:51 +03:00
tersec
1994ffe5a0
update 130+ spec references from v0.12.3 to v1.0.0-rc1 (#1854) 2020-10-12 08:59:24 +00:00
tersec
b79e5f8af5
update nim-beacon-chain to nimbus-eth2 in beacon_chain/, ncli/, tests/, and README.md (#1843) 2020-10-08 19:02:05 +00:00
tersec
c0aa2f1e58
update process_slashings() to use PROPORTIONAL_SLASHING_MULTIPLIER (#1841) 2020-10-08 18:00:07 +00:00
tersec
6398a43cc1
update 120+ beacon_chain and validator spec refs from v0.12.2 to v0.12.3 (#1740) 2020-09-24 19:04:10 +02:00
Jacek Sieka
dcf8a6b05d
improve slot processing speeds (#1670) 
about 40% better slot processing times (with LTO enabled) - these don't
do BLS but are used
heavily during replay (state transition = slot + block transition)

tests using a recent medalla state and advancing it 1000 slots:

```
./ncli slots --preState2:state-302271-3c1dbf19-c1f944bf.ssz --slot:1000
--postState2:xx.ssz
```
pre:

```

All time are ms
Average,       StdDev,          Min,          Max,      Samples,
Test
Validation is turned off meaning that no BLS operations are performed
39.236,        0.000,       39.236,       39.236,            1,
Load state from file
0.049,        0.002,        0.046,        0.063,          968,
Apply slot
256.504,       81.008,      213.471,      591.902,           32,
Apply epoch slot
28.597,        0.000,       28.597,       28.597,            1,
Save state to file
```

cast:
```
All time are ms
Average,       StdDev,          Min,          Max,      Samples,
Test
Validation is turned off meaning that no BLS operations are performed
37.079,        0.000,       37.079,       37.079,            1,
Load state from file
0.042,        0.002,        0.040,        0.090,          968,
Apply slot
215.552,       68.763,      180.155,      500.103,           32,
Apply epoch slot
25.106,        0.000,       25.106,       25.106,            1,
Save state to file
```

cast+rewards:
```
All time are ms
Average,       StdDev,          Min,          Max,      Samples,
Test
Validation is turned off meaning that no BLS operations are performed
40.049,        0.000,       40.049,       40.049,            1,
Load state from file
0.048,        0.001,        0.045,        0.060,          968,
Apply slot
164.981,       76.273,      142.099,      477.868,           32,
Apply epoch slot
28.498,        0.000,       28.498,       28.498,            1,
Save state to file
```

cast+rewards+shr
```
All time are ms
Average,       StdDev,          Min,          Max,      Samples,
Test
Validation is turned off meaning that no BLS operations are performed
12.898,        0.000,       12.898,       12.898,            1,
Load state from file
0.039,        0.002,        0.038,        0.054,          968,
Apply slot
139.971,       68.797,      120.088,      428.844,           32,
Apply epoch slot
24.761,        0.000,       24.761,       24.761,            1,
Save state to file

```
 2020-09-16 20:59:33 +00:00
Jacek Sieka
c76305f824
fix some todo (#1645) 
* remove some superfluous gcsafes
* remove getTailState (unused)
* don't store old epochrefs in blocks
* document attestation pool a bit
* remove `pcs =` cruft from log
 2020-09-14 14:50:03 +00:00
tersec
b3b578501a
mark comments documenting functions as a whole as such (#1613) 2020-09-08 08:54:55 +00:00
Jacek Sieka
9244ae7a38 more speedups 
* evaluate block attestations under the epochref of the block - this is
what the state transition function does
* avoid copying attestation seq unnecessarily
* avoid unnecessary hashset for unslashed indices
 2020-08-19 14:51:04 +03:00
Jacek Sieka
7de05efaaf small perf fixes 
* don't sort shuffled_validator_indices, just get them directly with
iteration
* grab full epoch of proposer indices while we have the data available -
they'll get cached and reused
* avoid computing active validator set when not used for logging
 2020-08-19 14:51:04 +03:00
tersec
612881b95d
refactor topic (un)subscribing/validating to collate each (#1510) 
* refactor topic (un)subscribing/validating to collate each

* fix comment

* tweak comment
 2020-08-17 14:07:29 +02:00
tersec
f34eddb6e9
fix get_unslashed_attesting_indices() and add official EF rewards tests for it (#1514) 2020-08-17 01:09:27 +00:00
tersec
af3355e0f8
create local testnet mode for eth2_network (#1494) 2020-08-12 14:16:59 +00:00
tersec
f2dd57db1e
increase allowed missing validators in verifyFinalization mode (#1414) 2020-08-03 05:31:35 +00:00
tersec
85febf072e
assert on missing active validators' attestations when verifying finalization (#1387) 
* assert on missing > 10 supposed-to-be-active validators' attestations in finalization verification mode

* clean up state_sim imports
 2020-08-01 18:24:25 +00:00
tersec
a07dab300c
verifyFinalization checks for justification being consistent with later finalization (#1386) 2020-07-28 17:35:32 +00:00
tersec
dad3dd5809
update 111 v0.12.1 beacon chain spec refs to v0.12.2 (#1380) 2020-07-27 18:49:46 +02:00
Jacek Sieka
48cebc7157
spec cleanups (#1379) 
* add helper for beacon committee length (used for quickly validating
attestations)
* refactor some attestation checks to do cheap checks early
* validate attestation epoch before computing active validator set
* clean up documentation / comments
* fill state cache on demand
 2020-07-27 16:04:44 +00:00
tersec
90708a8287
Prefer converting int` to uint64 and switch foo.len.uint64 to .len64 (#1375) 
* avoid converting from uint64 to int, and where most feasible, int type conversion at all

* .len.uint64 -> .len64

* fix 32-bit compilation

* try keeping state_sim loop variable/bounds as int for 32-bit Azure

* len64 -> lenu64
 2020-07-26 20:55:48 +02:00
Jacek Sieka
fb2f742972
Fork choice fixes 2 (#1356) 
* fork choice cleanup

* enable v2 pruning
* prefer `get_current_epoch`
* fix finalization check to use correct epoch

* small cleanups

* add `count_active_validators`
* remove misleading logs
* fix justified checkpoint slot calculation in rpc
 2020-07-22 23:01:44 +02:00
Jacek Sieka
8b01284b0e
cache block hash (#1329) 
hash_tree_root was turning up when running beacon_node, turns out to be
repeated hash_tree_root invocations - this pr brings them back down to
normal.

this PR caches the root of a block in the SignedBeaconBlock object -
this has the potential downside that even invalid blocks will be hashed
(as part of deserialization) - later, one could imagine delaying this
until checks have passed

there's also some cleanup of the `cat=` logs which were applied randomly
and haphazardly, and to a large degree are duplicated by other
information in the log statements - in particular, topics fulfill the
same role
 2020-07-16 15:16:51 +02:00
zah
0be77f9cbc
Restore compilation with custom presets (#1309) 
This also assigns precise types to the constants in the minimal
and mainnet presets in order to reduce the chance of compilation
errors when custom presets are used (previously, only the custom
presets have precisely assigned types for the constants).
 2020-07-13 16:44:58 +02:00
tersec
5d5957fd7e
fix attestation handling bottlenecks in slot processing and quadratic-time inclusion delay rewards/palties in epoch processing; create infrastructure for dynamically (un)subscribing to/from attestation topics (#1294) 2020-07-10 09:24:04 +00:00
tersec
61b0b5af17
update most remaining non-fork-choice spec refs, updating code where necessary (#1292) 
* update most of the remaining non-fork-choice spec refs, updating code where necessary

* revert presumably harmless compute_signing_root() change, but this way, keep things really unchanged outside inspector
 2020-07-09 11:43:27 +00:00
Dustin Brody
8ac613421d only calculate total_balance once per attestation delta application 2020-07-08 07:45:21 +00:00
Dustin Brody
3c030d945d allow 50k validators on block_sim by avoiding repeated get_total_active_balance() in get_proposer_reward() 2020-07-08 07:45:21 +00:00
tersec
b4db2ad693
remove v0.11.3 support; add block_sim to CI (#1253) 
* remove v0.11.3 support; add block_sim to CI

* rm stray PERSISTENT_COMMITTEE_PERIOD

* remove TopicFilter.InteropAttestations

* bump two comment-spec-refs to v0.12.1
 2020-06-29 18:08:58 +00:00
Jacek Sieka
1301600341
Trusted blocks (#1227) 
* cleanups

* fix ncli state root check flag
* add block dump to ncli_db
* limit ncli_db benchmark length
* tone down finalization logs

* introduce trusted blocks

We only store blocks whose signature we've verified in the database - as
such, there's no need to check it again, and most importantly, no need
to deserialize the signature when loading from database.

50x startup time improvement, 200x block load time improvement.

* fix rewinding when deposits have invalid signature
* speed up ancestor iteration by avoiding copy
* avoid deserializing signatures for trusted data
* load blocks lazily when rewinding (less memory used)

* chronicles workarounds

* document trustedbeaconblock
 2020-06-25 12:23:10 +02:00
Dustin Brody
db870fead4 update 20 beacon chain protocol spec refs 2020-06-18 08:39:28 +00:00
Dustin Brody
ec85a8bdbf update a dozen unchanged spec refs to v0.12.1 2020-06-17 09:25:54 +00:00
Dustin Brody
8a2c796e83 switch 12 unchanged spec references from 0.11.x to 0.12.1; line-wrap and remove pointless-to-counterproductive "return" 2020-06-15 10:10:31 +00:00
Dustin Brody
1d1e90adf4 Update 36 spec refs from 0.11.x to 0.12.1 2020-06-12 19:41:03 +00:00
Jacek Sieka
42832cefa8
Small fixes (#1165) 
* random fixes

* create dump dir on startup
* don't crash on failure to write dump
* fix a few `uint64` instances being used when indexing arrays - this
should be a compile error but isn't due to compiler bugs
* fix standalone test_block_pool compilation
* add signed block processing in ncli

* reuse cache entry instead of allocating a new one

* allow for small clock disparities when validating blocks
 2020-06-12 18:43:20 +02:00
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
Dustin Brody
8f7541959a allow compile-time switching between v0.11.3 and v0.12.1 2020-06-09 18:39:05 +00:00
Dustin Brody
36f15a3688 complete re-implmentation of reasonable asymptotic-complexity algorithms from 0.11.3 2020-06-09 18:39:05 +00:00
Dustin Brody
35f67cec60 remove the scaffolding get_empty_per_epoch_cache() calls and the pointless construction and return/discarding of zero-filled arrays 2020-06-09 18:39:05 +00:00
Dustin Brody
cc13153fc6 initial 0.12.1 beacon chain spec 2020-06-09 18:39:05 +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
b7bb62d48b
use shuffled validator cache in more places; cleanups (#1095) 2020-06-03 07:42:08 +02:00
tersec
a327e8581b
switch state transition caching to match EpochRef (#1089) 
* switch state transition caching usage to shuffled active validator indices to match EpochRef

* refactor the EpochRef -> StateCache transformation; elide pointless mapIt

* limit state passed between get_beacon_committee(...) and compute_committee(...)

* tweaks
 2020-06-01 09:44:50 +02:00
Jacek Sieka
f53b55cbe0 SSZ cleanup 
* be stricter about SSZ length prefix
* compute zeroHash list at compile time
* remove SSZ schema stuff
* move SSZ navigation to ncli
* cleanup a few leftover openArray uses
 2020-05-28 19:15:16 +03:00
Zahary Karadjov
a8003e7e38 More complete integration of the List type; Detect more invalid inputs; Enable more tests 2020-05-24 19:00:34 +03:00
Dustin Brody
b9817867f5 audit & update spec references for some slashing and rewards and penalty functions; check and update all remaining v0.11.0 spec references to v0.11.3 [skip ci] 2020-05-20 14:57:08 +00:00
Dustin Brody
3fa2f70853 update all remaining beacon chain spec references from v0.11.1 and v0.11.2 to v0.11.3 2020-05-20 08:48:18 +00:00