Commit Graph

625 Commits

Author SHA1 Message Date
Raul Jordan
f385a1dea6
Release Skip Slot Cache to All (#5280)
* no more skip slot cache

* imports

* deprecated

* fix flakeyness

* disable in e2e

* build

* fix viz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-04-01 19:09:54 -07:00
Preston Van Loon
8376fb36ca
Enable slashing protection in validator by default (#5278)
* Invert slashing protection validator flags for issue #5267
* remove from e2e flags
* Make error level
* Merge refs/heads/master into flip-propose
2020-04-01 23:17:32 +00:00
terence tsao
df9a534826
Regen historical states for new-state-mgmt compatibility (#5261) 2020-03-31 16:54:24 -07:00
Preston Van Loon
00ef08b3dc
Debug: add cgo symbolizer (#5255)
* Add cgo_symbolizer config

* Add comment

* use import block
2020-03-30 20:20:27 -07:00
Preston Van Loon
17516b625e
Use math.Sqrt for IntegerSquareRoot (#5253)
* use std
* Merge refs/heads/master into faster-sqrt
2020-03-31 01:27:37 +00:00
terence tsao
c5f186d56f
Batch save blocks for initial sync. 80% faster BPS (#5215)
* Starting a quick PoC
* Rate limit to one epoch worth of blocks in memory
* Proof of concept working
* Quick comment out
* Save previous finalized checkpoint
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Test
* Merge branch 'prev-finalized-getter' into batch-save
* Minor fixes
* Use a map
* More run time fixes
* Remove panic
* Feature flag
* Removed unused methods
* Fixed tests
* E2e test
* Merge branch 'master' into batch-save
* comment
* Merge branch 'master' into batch-save
* Compatible with current initial sync
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge refs/heads/master into batch-save
* Merge branch 'master' of github.com:prysmaticlabs/prysm into batch-save
* Feedback
* Merge branch 'batch-save' of github.com:prysmaticlabs/prysm into batch-save
* Merge refs/heads/master into batch-save
2020-03-30 18:04:10 +00:00
Preston Van Loon
a24546152b
HashProto: Use fastssz when available (#5218)
* Use fastssz when available
* fix tests
* fix most tests
* Merge branch 'master' into faster-hash-proto
* Merge refs/heads/master into faster-hash-proto
* Merge refs/heads/master into faster-hash-proto
* Merge refs/heads/master into faster-hash-proto
* fix last test
* Merge branch 'faster-hash-proto' of github.com:prysmaticlabs/prysm into faster-hash-proto-2
* lint
* fix last test
* fix again
* Update beacon-chain/cache/checkpoint_state_test.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>
* Merge refs/heads/master into faster-hash-proto
2020-03-28 18:32:11 +00:00
Nishant Das
cdac3d61ea
Custom Block HTR (#5219)
* add custom htr

* fix root

* fix everything

* Apply suggestions from code review

* Update beacon-chain/state/stateutil/blocks.go

* Update beacon-chain/blockchain/receive_block.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>

* Update beacon-chain/blockchain/process_block.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>

* terence's review

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-03-26 13:10:22 -05:00
Preston Van Loon
9740245ca5
Add enable-state-field-trie for e2e (#5198)
* Add enable-state-field-trie for e2e
* Merge refs/heads/master into e2e-enable-state-field-trie
* Merge refs/heads/master into e2e-enable-state-field-trie
* fix all this
* Update shared/sliceutil/slice.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>
* terence's review
* comment
* Merge branch 'e2e-enable-state-field-trie' of https://github.com/prysmaticlabs/geth-sharding into e2e-enable-state-field-trie
2020-03-25 06:54:56 +00:00
Preston Van Loon
729bd83734
Add span to HTR and skip slot cache (#5197)
* Add a bit more span data
* missing import
* Merge branch 'master' into more-spans
2020-03-25 01:15:00 +00:00
Preston Van Loon
5d1c3da85c
BLS: some minor improvements (#5161)
* some improvements
* gofmt
* Merge refs/heads/master into bls-improvements
* Merge refs/heads/master into bls-improvements
* Merge refs/heads/master into bls-improvements
2020-03-22 23:40:39 +00:00
terence tsao
301c2a1448
New byteutils for state gen (#5163)
* New byteutils for state gen
* Added empty slice and nil checks
* Merge branch 'master' into bit-utils
* SetBit to extend bit
* Merge branch 'bit-utils' of github.com:prysmaticlabs/prysm into bit-utils
* Comment
* Add HighestBitIndexBelow
* Test for HighestBitIndexBelow
* another test and better test fail output
* Feedback
* Merge branch 'bit-utils' of github.com:prysmaticlabs/prysm into bit-utils
* Feedback
* Preston's feedback, thanks!
* Use var
* Use var
* Merge refs/heads/master into bit-utils
2020-03-22 23:19:38 +00:00
Preston Van Loon
4df5c042d9
Use faster bitfield BitIndices to build attesting indices (#5160)
* Refactor AttestingIndices to not return any error. Add tests. Add shortcut for fully attested attestation
* attestationutil.ConvertToIndexed never returned error either
* Working with benchmark:
* fix test
* Merge branch 'attestationutil-improvements-0' into attestationutil-improvements-1
* out of bounds check
* Update after merge of https://github.com/prysmaticlabs/go-bitfield/pull/26
* remove shortcut
* Merge refs/heads/attestationutil-improvements-0 into attestationutil-improvements-1
* Merge branch 'attestationutil-improvements-0' into attestationutil-improvements-1
* Merge branch 'attestationutil-improvements-1' of github.com:prysmaticlabs/prysm into attestationutil-improvements-1
* revert test...
* Merge refs/heads/attestationutil-improvements-0 into attestationutil-improvements-1
* Merge branch 'master' of github.com:prysmaticlabs/prysm into attestationutil-improvements-1
* Merge branch 'attestationutil-improvements-1' of github.com:prysmaticlabs/prysm into attestationutil-improvements-1
* Update go-bitfield after https://github.com/prysmaticlabs/go-bitfield/pull/27
2020-03-22 01:42:51 +00:00
Preston Van Loon
d06b0e8a86
Refactor attestationutil.AttestingIndices (#5159)
* Refactor AttestingIndices to not return any error. Add tests. Add shortcut for fully attested attestation
* attestationutil.ConvertToIndexed never returned error either
* fix test
* remove shortcut
* revert test...
2020-03-22 00:23:37 +00:00
Jim McDonald
4f8d9c59dd
Replace default value for datadir (#5147) 2020-03-21 23:30:51 +08:00
Ivan Martinez
021d777b5e
Add Anti-Flake test for E2E (#5149)
* Add antiflake test

* Respond to comments

* Comment

* Change issue num
2020-03-21 14:42:51 +08:00
terence tsao
dc3fb018fe
Fix new state mgmt sync stuck in a loop (#5142) 2020-03-19 18:46:35 -07:00
Preston Van Loon
2ab4b86f9b
Allow setting flags via yaml config file. (#4878) 2020-03-19 14:46:44 -07:00
Preston Van Loon
7c110e54f0
Add ssz marshal and unmarshal for most data structures (#5121)
* Add ssz marshal and unmarshal for most data structures
* Merge refs/heads/master into ssz-stuff
* Merge refs/heads/master into ssz-stuff
* Merge refs/heads/master into ssz-stuff
* Merge refs/heads/master into ssz-stuff
* Merge refs/heads/master into ssz-stuff
* Merge refs/heads/master into ssz-stuff
* Update ferran SSZ
* Update ferran's SSZ
* Merge refs/heads/master into ssz-stuff
* fix tests
* Merge branch 'ssz-stuff' of github.com:prysmaticlabs/prysm into ssz-stuff
* gaz
2020-03-19 02:39:23 +00:00
Raul Jordan
3043d4722f
Attestation Dynamic Committee Subnets (#5123)
* initiate cache
* imports fix
* add in feature config flag
* utilize a dynamic set of subnets
* Merge branch 'master' into att-subnets
* add in feature config flag
* Merge branch 'att-subnets' of github.com:prysmaticlabs/prysm into att-subnets
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into att-subnets
* shift
* more changes
* gaz
* Update beacon-chain/rpc/validator/assignments.go
* Update beacon-chain/rpc/validator/assignments.go
* add flag
* Merge branch 'att-subnets' of https://github.com/prysmaticlabs/geth-sharding into att-subnets
* Merge branch 'master' into att-subnets
* Merge refs/heads/master into att-subnets
* no double flag
* Merge branch 'att-subnets' of github.com:prysmaticlabs/prysm into att-subnets
* amend committee ids to better name
* gaz
2020-03-18 23:13:37 +00:00
Nishant Das
5450b3155e
Integrate Field Tries into Current State (#5082)
* add new methods
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* new field trie
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* perform better copying
* fix bug
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* add support for variable length arrays
* get it running
* save all new progress
* more fixes
* more fixes
* more cleanup
* some more clean up
* new memory pool
* remove lock
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* Merge branch 'master' of https://github.com/prysmaticlabs/geth-sharding into improvedHTRArrays
* use wrapper
* remove redundant methods
* cleanup
* cleanup
* remove unused method
* change field
* Update beacon-chain/state/types.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>
* Update beacon-chain/state/types.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>
* Apply suggestions from code review

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>
2020-03-18 04:52:08 +00:00
Nishant Das
1bb12c3568
Add Field Trie to State (#5118)
* add new helpers

* make zerohash public

* remove unused method

* add more tests

* cleanup

* add in new tests

* fix all tests

* Apply suggestions from code review

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-03-18 10:09:31 +08:00
Nishant Das
431762164e
Add New State Utils (#5117)
* add new helpers

* make zerohash public

* remove unused method

* add more tests

* cleanup

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-03-17 14:25:17 -05:00
Victor Farazdagi
3ec2a0f9e0
Refactoring of initial sync (#5096)
* implements blocks queue

* refactors updateCounter method

* fixes deadlock on stop w/o start

* refactors updateSchedulerState

* more tests on schduler

* parseFetchResponse tests

* wraps up tests for blocks queue

* eod commit

* fixes data race in round robin

* revamps fetcher

* fixes race conditions + livelocks + deadlocks

* less verbose output

* fixes data race, by isolating critical sections

* minor refactoring: resolves blocking calls

* implements init-sync queue

* udpate fetch/send buffers in blocks fetcher

* blockState enum-like type alias

* refactors common code into releaseTicket()

* better gc

* linter

* minor fix to round robin

* moves original round robin into its own package

* adds enableInitSyncQueue flag

* fixes issue with init-sync service selection

* Update beacon-chain/sync/initial-sync/round_robin.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>

* initsyncv1 -> initsyncold

* adds span

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-03-17 12:27:18 -05:00
terence tsao
e529f5b1d6
Part 1 of integrating new state mgmt to run time (#5108) 2020-03-16 12:07:07 -07:00
Ivan Martinez
8143cc36bc
Add Slasher to E2E (#5061)
* Start adding "inject slashing into pool"

* Attempt at slashing

* Remove unneded

* Fix

* Begin adding slasher client to e2e

* Start slasher in e2e

* Get slashing detection working

* Get slashing evaluators working

* Progress on e2e

* Cleanup e2e

* Fix slasher e2e!

* lint

* Comment

* Fixes

* Improve accuracy of balance check

* REmove extra

* Remove extra

* Make more accurate
2020-03-15 01:09:23 -04:00
Nishant Das
691f0bba70
Minor Improvements (#5099)
* add fixes
2020-03-14 16:12:22 +00:00
shayzluf
f937713fe9
Broadcast slashing (#5073)
* add flag
* broadcast slashings
* Merge branch 'master' of github.com:prysmaticlabs/prysm into broadcast_slashing

# Conflicts:
#	beacon-chain/rpc/beacon/slashings_test.go
* fix tests
* goimports
* goimports
* Merge branch 'master' into broadcast_slashing
* Merge branch 'master' into broadcast_slashing
* Merge branch 'master' into broadcast_slashing
2020-03-12 20:29:23 +00:00
Preston Van Loon
edb6590764
Build herumi's BLS from source (#5055)
* Build herumi from source. Working so far on linux_amd64 for compile, but tests fail to initialize the curve appropriately

* Add copts to go_default_library

* llvm toolchain, still WIP

* Fixes, make llvm a config flag

* fix gazelle resolution

* comment

* comment

* update herumi to the v0.9.4 version

* Apply @nisdas patch from https://github.com/herumi/bls-eth-go-binary/pull/5
2020-03-09 21:22:41 -05:00
Ivan Martinez
d4cd51f23e
Change slasher cache to LRU cache (#5037)
* Change cache to LRU cache

* fixes

* REduce db usage

* Fix function name

* Merge issues

* Save on eviction

* Fixes

* Fix

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-03-08 17:11:59 -04:00
Nishant Das
300d072456
Add Config Change for Validator (#5038)
* add config for validator
* gaz
* Merge refs/heads/master into configureValidator
* Merge refs/heads/master into configureValidator
2020-03-08 06:45:36 +00:00
Jim McDonald
b133eb6c4a
Warn rather than fail on incorrect keystore password (#5024)
* Warn on failure to decrypt a keystore validator

* Update test

* Update tools

Co-authored-by: Ivan Martinez <ivanthegreatdev@gmail.com>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-03-06 23:05:48 -06:00
Nishant Das
345ec1bf8c
Fix Custom Delay Flag (#5026)
* fix flag
* Merge refs/heads/master into fixFlag
* Merge refs/heads/master into fixFlag
* Merge refs/heads/master into fixFlag
* Merge refs/heads/master into fixFlag
* Merge refs/heads/master into fixFlag
* fix config
* Merge branch 'fixFlag' of https://github.com/prysmaticlabs/geth-sharding into fixFlag
2020-03-07 03:52:40 +00:00
prylabs-bulldozer[bot]
e635e5b205
Feature flag to gate prune state upon start up (#5011)
* Added feature flag to gate prune state upon start up
2020-03-05 06:24:59 +00:00
Raul Jordan
66991f0efe
Spanner db (#4997)
* rem slasher proto

* with cache

* delete old code

* moving to bytes.go fix traces

* moving to bytes.go fix traces

* raul feedback

* raul feedback

* add eviction test

* ivan feedback

* ivan feedback

* some comment improvements

* test included for bytes and bool

* import

* cleanup

* tests pass

* fill in all fields in test

* gaz

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-03-04 23:35:14 -06:00
Ivan Martinez
ba6b8c9321
Update outdated spec function names and comments (#4992)
* Update outdated spec function names and comments
* VerifyMerkleBranch
* Remove error handle
* Merge branch 'master' of https://github.com/prysmaticlabs/Prysm into slash-spec-refresh
* Merge branch 'master' into slash-spec-refresh
2020-03-03 18:29:41 +00:00
Nishant Das
0093218e41
Add Noise Support To Prysm (#4991)
* add dep
* add feature config
* Merge branch 'master' into addNoiseSupport
* gaz and victor's review
* Merge branch 'addNoiseSupport' of https://github.com/prysmaticlabs/geth-sharding into addNoiseSupport
2020-03-03 17:45:51 +00:00
shayzluf
59575bcac9
fuzz core/blocks package (#4907)
* fuzz core/blocks package

* gaz goimports

* fix test

* terence feedback

* terence feedback

* add error to domain. halfway through

* adding error to domain

* goimports

* added error handling to test

* error instead of continue

* terence and nishant feedback

* domain error handling

* domain error handling

* handle nil validator in ReadOnlyValidator creation

* goinmports

* [4]byte domain type

* [4]byte domain type

* [4]byte domain type fix tests

* fix tests

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-03-03 19:02:14 +05:30
Nishant Das
3989b65667
Add Flag for Checking HeadState (#4974)
* gate feature
* imports
* add flag
* Merge branch 'master' into gateFeature
2020-03-02 06:06:20 +00:00
terence tsao
b1231f3ddf
Replay blocks and generate state without sig verification (#4943)
* New file

* Add transition_stategen.go

* Update ProcessBlockForStateRoot

* Feature flags

* Fixed tests

* Gaz

* Make them private

* E2e flags

* Gazelle

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-26 10:40:33 -06:00
Preston Van Loon
b647ca5dd2
Release --initial-sync-cache-state (#4938)
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-24 19:20:00 -06:00
Preston Van Loon
c0f1a1d674
Validator: cache domain data calls (#4914)
* Use a domain data cache to reduce the number of calls per epoch

* fix fakevalidator

* Refactor to use a feature flag, use proto.clone, move interceptor to its own file

* gofmt

* fix comment

* tune cache slightly

* log if error on domain data

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-24 13:02:45 -08:00
Jim McDonald
5f0ed8388e
Use --deposit-contract with default value (#4925)
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
2020-02-24 11:24:05 -06:00
terence tsao
2e56a59473
attestations in pool count metrics (#4930)
* Add metrics
* Use it
* Use it
* Expose getters
2020-02-23 22:30:52 +00:00
Nishant Das
83945ca54b
Shift Stateutils to State Package (#4921)
* shift over
* new changes
* imports
* Merge branch 'master' into shiftUtils
2020-02-21 16:52:21 +00:00
Raul Jordan
39aa791dcc
Add Slashings Into Blocks from Pool (#4902)
* tests pass

* fix broken test

* addressed feedback

* Update beacon-chain/rpc/validator/proposer_test.go

Co-Authored-By: shayzluf <thezluf@gmail.com>

* Update beacon-chain/rpc/validator/proposer_test.go

Co-Authored-By: shayzluf <thezluf@gmail.com>

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: shayzluf <thezluf@gmail.com>
2020-02-20 15:10:51 -06:00
Raul Jordan
d143187b7e
Request All Indexed Attestations Since Genesis in Slasher on Startup (#4894)
* include fixes

* rev

* logrus

* tests for query sync status and chain head

* begin tests for indexed atts

* test passing for requesting historical atts

* Update slasher/beaconclient/chain_data_test.go

* Update slasher/beaconclient/historical_data_retrieval.go

* lint

* fixed up wanted vs receied

* fix mock

* gazelle

* fix broken build

* tests pass

* dep

* gaz

* add dep

* tests pass

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-19 16:26:14 -06:00
Nishant Das
4389e9d3c9
Add mempool feature flag (#4824) (#4903)
* Add mempool feature flag

* gate put too

* fix

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-19 14:29:49 +08:00
Nishant Das
655f57e3f2
Bound Initial Sync Cache Size (#4844)
* bound initial sync

* fix lint

* Revert "Better block attestation inclusion (#4838)"

This reverts commit 090d9627fe.

* add memory pool

* more fixes

* revert changes

* add hack

* revert hack

* push halving

* bring back hack

* increase cache size

* more fixes

* more changes

* new fixes

* add test

* add reverse test

* more tests and clean up

* add helper

* more cleanup and tests

* fix test

* remove code

* set gc percent flag

* lint

* lint

* Fix comment formatting

* Fix some formatting

* inverse if statement

* remove debug log

* Apply suggestions from code review

Co-Authored-By: Ivan Martinez <ivanthegreatdev@gmail.com>

* Update beacon-chain/state/getters.go

Co-Authored-By: Ivan Martinez <ivanthegreatdev@gmail.com>

* Update beacon-chain/db/kv/state.go

* integrate state generator

* gaz

* fixes

* terence's review

* reduce bound further

* fix test

* separate into new files

* gaz

* mod build file

* add test

* revert changes

* fix test

* Update beacon-chain/core/helpers/slot_epoch.go

Co-Authored-By: terence tsao <terence@prysmaticlabs.com>

* handle edge case

* add back test

* fix test again

* handle edge case

* Update beacon-chain/blockchain/init_sync_process_block.go

* Update beacon-chain/blockchain/init_sync_process_block.go

* Update beacon-chain/stategen/service_test.go

Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com>

* Update beacon-chain/blockchain/init_sync_process_block.go

Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com>

* Update beacon-chain/stategen/service.go

Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com>

* Update beacon-chain/stategen/service.go

Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com>

* raul's review

* raul's review

* fix refs

* terence's review

* one more fix

* Update beacon-chain/blockchain/init_sync_process_block.go

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: Ivan Martinez <ivanthegreatdev@gmail.com>
Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-02-18 15:10:54 -06:00
shayzluf
25308ef9fa
fuzzing core/state package without skip slot cache (#4883)
* fuzzing core/state package

* named error msg

* err comment

* terence feedback

* preston feedback

* preston feedback

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2020-02-18 10:38:15 +05:30