Commit Graph

77 Commits

Author SHA1 Message Date
Potuz
3f1e3cf82f
remove optimistic control flag (#10340)
* remove optimistic control flag

* Rename

* More

* More

* redundant return

* fix conflict

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-03-12 17:32:04 +00:00
terence tsao
60003c481b
Add unlock to IsOptimistic returns (#10341)
* Add unlock to returns

* add regression test

Co-authored-by: Potuz <potuz@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-03-11 10:36:47 +00:00
Preston Van Loon
c1197d7881
Add static analysis for unsafe uint casting (#10318)
* Add static analysis for unsafe uint casting

* Fix violations of uintcast

* go mod tidy

* Add exclusion to nogo for darwin build

* Add test for math.Int

* Move some things to const so they are assured not to exceed int64

* Self review

* lint

* fix tests

* fix test

* Add init check for non 64 bit OS

* Move new deps from WORKSPACE to deps.bzl

* fix bazel build for go analysis runs

* Update BUILD.bazel

Remove TODO

* add math.AddInt method

* Add new test casts

* Add case where builtin functions and declared functions are covered

* Fix new findings

* cleanup

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Nishant Das <nishdas93@gmail.com>
2022-03-11 09:34:30 +00:00
Potuz
b59484b285
Export SetOptimisticToInvalid (#10330)
* temp

* export remove invalid blocks
2022-03-09 13:50:57 -03:00
Potuz
57a323f083
Forkchoice featureflag (#10299)
* Compiling main beacon-chain binary

* Add feature flag

* passing protoarray tests

* passing nodetree tests

* passing blockchain package tests

* passing rpc tests

* go fmt

* re-export forkchoice store from blockchain package

* remove duplicated import

* remove unused var

* add nodetree rpc method

* remove slot from IsOptimisticForRoot

* release lock in IsOptimistic

* change package name

* Revert "change package name"

This reverts commit 679112f9ef795922c631e7823dbdfb3746838f3c.

* rename package

* Update doc

* Fix span names

* Terence + Raul review

* remove go:build flags

* add errors dep

* spec tests

* fix call to IsOptimisticForRoot

* fix test

* Fix conflict

* change name of function

* remove ctx from store.head

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-03-09 03:05:51 +00:00
terence tsao
a9a75e0004
Release lock before return validatedTips (#10289)
* Release lock before return

* add test

Co-authored-by: Potuz <potuz@prysmaticlabs.com>
2022-03-01 15:36:47 +00:00
Potuz
f5719f8c8e
Fix updateCanonicalNodes (#10241)
* Fix updateCanonicalNodes

* fix logic

* terence's review
2022-02-14 21:30:26 +00:00
terence tsao
c9f299b50a
Clean up fork choice (#10226)
* Clean up fork choice

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/store_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/store_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update store.go

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Radosław Kapka <rkapka@wp.pl>
2022-02-12 03:33:46 +00:00
Potuz
9f419bee7d
Remove unnecessary reassignement (#10224) 2022-02-10 23:51:20 -03:00
Potuz
82ceb51548
Load Synced Tips when starting from Finalized State (#10196)
* Load Synced Tips when starting from Finalized State

* Terence's review #1

* Fix tests

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-10 22:18:42 +00:00
Potuz
6a2ef13b87
add metrics for synced tips (#10221)
* add metrics for synced tips

* Update beacon-chain/forkchoice/protoarray/metrics.go

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-10 18:48:46 +00:00
Potuz
72a2dd004b
Fix integer overflow (#10222)
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-02-10 15:20:36 -03:00
Potuz
5f8b01ccda
Make UpdateSyncedTips safe for context cancellation (#10174)
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-09 14:54:27 +00:00
terence tsao
168e06e607
Save sync tips to DB (#10171)
* Save sync tips to DB

* Fix build

* Update process_block_test.go

* Copy map

* Revert back to nil

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-06 18:00:47 +00:00
Potuz
aeb6940935
Prune synced tips (#10143)
* Prune synced tips

* Terence's minor cleanups

* Update optimistic_sync.go

* go fmt

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-02-05 20:24:02 +00:00
Potuz
4020a603b6
Invalid synced tips (#10154)
* add synced_tips structure

* create optimisticStore type

* Add UpdateSyncedTips

* use context

* update comment

* use better context cancellation

* reinsert removed error from different PR

* Minor clean ups

* remove invalid nodes from forkchoice

* Update beacon-chain/forkchoice/protoarray/optimistic_sync.go

Co-authored-by: terence tsao <terence@prysmaticlabs.com>

* Add check for tip status

* Terence's minor cleanups

* Potus' feedbacks

* Update optimistic_sync.go

* Add erorr

* Synced

* update weights

* Add context error check

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-02-03 22:57:15 +00:00
terence tsao
3a5cfab5f2
Add IsOptimistic chain info getter (#10184)
* Add  chain info getter

* Interface

* Test

* Update mock.go

* Go fmt

* Update beacon-chain/blockchain/testing/mock.go

Co-authored-by: Potuz <potuz@prysmaticlabs.com>

Co-authored-by: Potuz <potuz@prysmaticlabs.com>
2022-02-03 21:30:07 +00:00
terence tsao
8a01d412f5
Implement fork choice spec tests (#10159)
* starting

* Reimplement store

* begin on proposer boost

* implement fork choice proposer boost algorithm

* boosting

* gaz

* add mutexes and previous root

* comment on compute proposer boost

* safe

* rem todo

* reset and add tests

* unit test for proposer boost score

* boost works

* Can process block

* Basic test case passing

* ex ante

* test

* propoer test

* More progresses

* More fixes

* rm unused pieces

* Refactor, add phase 0

* locks

* vanilla ex-ante attack

* test similar to spec test

* works works works

* boost test working for num votes > proposer boost weight

* commentary fixes

* rem unused

* comments

* Proposer boost use store time

* Reset proposer root

* debugging

* passing

* Rm unused visibility imports

* Move update head to better place

* Fix deepsrc complains

* Fix more complains

* Raul's feedback

* Use correct byte lengths

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2022-01-31 19:03:48 +00:00
Potuz
26ec352bdc
Update synced tips (#10129)
* add synced_tips structure

* create optimisticStore type

* Add UpdateSyncedTips

* use context

* update comment

* use better context cancellation

* reinsert removed error from different PR

* Minor clean ups

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-01-31 15:05:05 +00:00
Raul Jordan
65ec437ce5
Fork Choice Proposer Boost Changes (#10083)
* begin on proposer boost

* implement fork choice proposer boost algorithm

* boosting

* gaz

* add mutexes and previous root

* comment on compute proposer boost

* safe

* rem todo

* reset and add tests

* unit test for proposer boost score

* boost works

* ex ante

* test

* propoer test

* vanilla ex-ante attack

* test similar to spec test

* works works works

* boost test working for num votes > proposer boost weight

* commentary fixes

* rem unused

* comments

* boost necessary to sandwich unit test

* sad path

* gaz

* Update beacon-chain/forkchoice/protoarray/proposer_boost.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/forkchoice/protoarray/proposer_boost_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* gaz

* radek comments

* reset boosted root in on new slot

* pass

* broken tests

* cfg test

* modify e2e config

* Revert e2e changes

* Test

* Test again

Co-authored-by: Radosław Kapka <rkapka@wp.pl>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-01-29 16:32:01 +00:00
Potuz
cb0c382bf3
Fix Fork Choice prunning (#10137)
* Fix Fork Choice prunning

* Use copy node. Update comments and var names.

* rm unused err var

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2022-01-27 19:17:19 +00:00
Potuz
f0fd29d367
Is optimistic (#10124)
* add synced_tips structure

* create optimisticStore type

* Add ForkChoice.Optimistic()

Adds the logic implementing whether a synced block is optimistic or not.

* Terence's bug catch

* Reinforce warning

* Preston's review

* add comment on optimistic sync
2022-01-26 01:42:18 +00:00
Preston Van Loon
7df01feb58
Remove libfuzzer / afl based builds in favor of go 1.18 fuzz testing (#10065)
* Remove libfuzzer / afl based builds in favor of go 1.18 fuzz testing

* rm beacon-fuzz archive

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2022-01-20 04:51:02 +00:00
Radosław Kapka
5569a68452
Code cleanup (#9992)
* Value assigned to a variable is never read before being overwritten

* The result of append is not used anywhere

* Suspicious assignment of range-loop vars detected

* Unused method receiver detected

* Revert "Auxiliary commit to revert individual files from 54edcb445484a2e5d79612e19af8e949b8861253"

This reverts commit bbd1e1beabf7b0c5cfc4f514dcc820062ad6c063.

* Method modifies receiver

* Fix test

* Duplicate imports detected

* Incorrectly formatted error string

* Types of function parameters can be combined

* One more "Unused method receiver detected"

* Unused parameter detected in function
2021-12-07 17:52:39 +00:00
Raul Jordan
a9a4bb9163
Move Shared/Testutil into Testing (#9659)
* move testutil

* util pkg

* build

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 18:53:46 +00:00
Raul Jordan
29513c804c
Create Encoding Bytesutil (#9658)
* bytesutil

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 15:23:37 +00:00
Raul Jordan
f3d6dbcc1e
Move Shared/Params Into Config/Params (#9642)
* config params into pkg

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-21 19:59:25 +00:00
Raul Jordan
61c24c3870
Move Fuzz/ Into Testing/ (#9617)
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-16 17:32:51 +00:00
terence tsao
ee5d75732d
Add pkg crypto (#9603)
* Add pkg crypto

* Update go.yml

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-15 22:55:11 +00:00
terence tsao
005ce7e238
Remove float64 usage for fork choice (#9438) 2021-08-20 14:15:18 -05:00
Preston Van Loon
d6bd619429
Bazel: minimal test build transitions (#9122)
* Add build transitions for minimal config based tests

* respect existing gotags

* clean up import

* Add some commentary

* gaz

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: rauljordan <raul@prysmaticlabs.com>
2021-06-30 19:22:09 +00:00
Raul Jordan
a860648960
Reduce Usage of Eth2 Terminology in Prysm (#9104)
* remove all mentions

* more changes

* folder by folder

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-06-26 19:00:33 +00:00
terence tsao
528cd89616
Move chainheads to blockchain pkg (#8700)
* Move chainheads to block chain's head info

* Fix mock
2021-04-03 11:25:25 +00:00
Radosław Kapka
f822f0436e
Break long lines in beacon chain package (#8686)
* Break long lines in beacon chain package

* change log formatting

* Revert "change log formatting"

This reverts commit b610fd67edbf4f9f095f0336e313376e4472d50a.

* Revert "Break long lines in beacon chain package"

This reverts commit 53215fdcde0ad5cbed5c9e0616979e3ae396322c.

* wrap lines over 160

* revert go.mod and go.sum
2021-03-30 11:24:46 +00:00
terence tsao
a8ab279cb8
Protoarray: add ChainHeads (#8684)
* Add ChainHeads

* Add only has bestChild case

* Update beacon-chain/forkchoice/protoarray/store.go

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-03-29 17:40:38 +00:00
Victor Farazdagi
a069738c20
ETH2 Types: Slot (#8408)
* update shared/params

* update eth2-types deps

* update protobufs

* update shared/*

* fix testutil/state

* update beacon-chain/state

* update beacon-chain/db

* update tests

* fix test

* update beacon-chain/core

* update beacon-chain/blockchain

* update beacon-chain/cache

* beacon-chain/forkchoice

* update beacon-chain/operations

* update beacon-chain/p2p

* update beacon-chain/rpc

* update sync/initial-sync

* update deps

* update deps

* go fmt

* update beacon-chain/sync

* update endtoend/

* bazel build //beacon-chain - works w/o issues

* update slasher code

* udpate tools/

* update validator/

* update fastssz

* fix build

* fix test building

* update tests

* update ethereumapis deps

* fix tests

* update state/stategen

* fix build

* fix test

* add FarFutureSlot

* go imports

* Radek's suggestions

* Ivan's suggestions

* type conversions

* Nishant's suggestions

* add more tests to rpc_send_request

* fix test

* clean up

* fix conflicts

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: nisdas <nishdas93@gmail.com>
2021-02-16 07:45:34 +00:00
Victor Farazdagi
a8e501b3cf
ETH2 Types: Epoch (#8373)
* update deps

* update deps

* update protos/*

* update deps

* reset protos

* update protos

* update shared/params/config

* update protos

* update /shared

* update shared/slotutil and shared/testutil

* update beacon-chain/core/helpers

* updates beacon-chain/state

* update beacon-chain/forkchoice

* update beacon-chain/blockchain

* update beacon-chain/cache

* update beacon-chain/core

* update beacon-chain/db

* update beacon-chain/node

* update beacon-chain/p2p

* update beacon-chain/rpc

* update beacon-chain/sync

* go mod tidy

* make sure that beacon-chain build suceeds

* go fmt

* update e2e tests

* update slasher

* remove redundant alias

* update validator

* gazelle

* fix build errors in unit tests

* go fmt

* update deps

* update fuzz/BUILD.bazel

* fix unit tests

* more unit test fixes

* fix blockchain UTs

* more unit test fixes
2021-02-09 10:05:22 +00:00
Raul Jordan
148e7fcd59
Consolidate Required Web UI Endpoints Into Single Protobuf File (#8127)
* define required endpoints for unifying backends

* proto definitions

* impl

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-12-16 17:30:48 +00:00
terence tsao
6244163770
FC test coverage improvement (#8120)
* Test coverage improvements

* Gazelle

* Update namings

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-12-15 20:44:35 +00:00
terence tsao
a73c539fab
Forkchoice: update read only lock to regular lock (#7633) 2020-10-24 16:35:18 +00:00
terence tsao
e07a12e6b7
Move IsCanonical implementation to forkchoice package (#7602)
* Move IsCanonical implementation to forkchoice pkg

* Remove debug print log

* Add tests

* Fixed current tests

* Fixed a test

* Fixed a test

* Add tests for cov
2020-10-23 01:32:13 +00:00
terence tsao
42b7a37281
Add span for AncestorRoot (#7595)
* Add spans for AncestorRoot

* Add span for ancestor by DB

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-10-21 16:26:19 +00:00
Radosław Kapka
b742511193
Numeric conversion cleanup (#7465)
* validator count

* fix build errors

* fix test error

* randao mixes

* active indices

* lastReceivedMerkleIndex

* redundant conversions

* eth1FollowDistance

* refs

* fix compile error

* slasher

* validator

* revert changes to lastReceivedMerkleIndex

* remove todo

* fix references test

* fix committee test

* Revert "validator count"

This reverts commit 19b376e39914b88b620a113215daa539e3e66758.

# Conflicts:
#	beacon-chain/rpc/beacon/validators.go

* Revert "fix build errors"

This reverts commit f4acd6e9776c899a0523df10b64e55783b44c451.

* Revert "fix test error"

This reverts commit 2a5c9eec63e4546139220c71fe3c07ad92bed3b6.

* Revert "randao mixes"

This reverts commit 2863f9c24dd8cfc44ffce16321f68ef3b793e9a2.

* Revert "active indices"

This reverts commit 6e8385f3956a08ef9c8980b5343365a1bee48542.

* Revert "refs"

This reverts commit c64a153f67cd26daa58c3bf5f911da05d41cfb5d.

* Revert "fix references test"

This reverts commit fe773b55a6f8cc38c6c5c1f96615fdb8bbd4397d.

* Revert "fix committee test"

This reverts commit 7a0931c4487707e3eaf75a592415577f04253772.

* fix compilation errors

* Revert "slasher"

This reverts commit 8b34137931cff1e6cdffeaf65e1ef07eefdea647.

* trieutil

* some int() simplifications

* fix deepsource issues

* removed redundant fmt.Sprint

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-10-13 12:43:49 +00:00
Victor Farazdagi
a019a0db4c
Combines func params of the same type (#7500)
* combines func params

* update leftovers

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-10-12 15:43:19 +00:00
Radosław Kapka
3e0b20529b
Miscellaneous code quality improvements (#7414)
* anti-patterns

* performance issues

* handle skipped defer

* gazelle fix

* misc bug risks

* make logging of proposer slashings more robust

* simplify calling span.End()

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-10-04 15:03:10 +00:00
terence tsao
c7d01fd73c
Add lock around fork choice store votes (#7426)
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-10-03 05:48:34 +00:00
Victor Farazdagi
d169b490fa
Fix ineffectual assignments (#7403)
* update rpc/beacon
* more fixes to beacon-chain/rpc
* update beacon-chain/sync
* Merge refs/heads/master into fix-ineffectual-assignments
* updates beacon-chain/p2p
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* update beacon-chain/*
* fix imports
* update beacon-chain/blockchain
* more updates
* Merge refs/heads/master into fix-ineffectual-assignments
* Merge branch 'master' into fix-ineffectual-assignments
* Merge refs/heads/master into fix-ineffectual-assignments
* next round of updated
* Merge branch 'fix-ineffectual-assignments' of github.com:prysmaticlabs/prysm into fix-ineffectual-assignments
* wrap up remaining items
2020-10-01 18:53:36 +00:00
Preston Van Loon
cebb62997d
Add beacon state unmarshal fuzzer, afl support (#6625)
* Add AFL third_party libraries

* add beacon state fuzzing, add afl fuzz bundle

* rm fuzzing engine

* fix and lint

* Check for array out of bounds when calculating proposer delta

* failing test

* fix

* Checkpoint progress

* Add requirement that inclusion distance is not zero, add regression test

* No need for HTR since that is covered in process slots

* Removing some fuzzit logic, old fuzz tests

* Add ssz encoder test and fix

* Fuzzing checkpoint, adding fuzzing to the p2p layer

* ignore some libfuzzer files

* Full testing of p2p processing of blocks, with some mocked stuff

* use tmpdir and always process blocks

* use checkptr

* Update ethereumapis

* go mod tidy

* benchmarks for ferran's fast ssz hash tree root

* Update fastssz

* fmt

* gaz

* goimports

* Fix

* fix ethereumapis

* fix again

* kafka

* fix gen file

* fix compute signing root

* gofmt

* checkpoint progress

* progress

* checkpoint

* updates

* updates

* merge fix

* WIP

* merge

* fix build

* fix merge related issues

* cleanup

* revert unrelated

* lint

* lint

* lint

* manual tags for fuzz

* Commentary on upload script

* some import fixes, but not all

* fix //fuzz:fuzz_tests

* rm unused test

* update generated ssz

* Set // +build libfuzzer

* remove debug code

* A bit of refactoring ot explain why there is a committee_disabled file

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-09-14 11:42:08 -07:00
terence tsao
e1aa920fc6
Fix out of bound check in AncestorRoot (#7226)
* Move out of bound check to the correct scope
* Merge refs/heads/master into store-out-of-bound
2020-09-14 09:10:52 +00:00
terence tsao
cca439847d
Unexport protoarray forkchoice types (#6937)
* Protoarray: un-export all the types

* Protoarray: add proper getters

* Protoarray: update implementations

* Protoarray: update tests

* Protoarray: lint

* Protoarray: lint
2020-08-07 18:37:08 -07:00