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Update DefaultHistoricalEntries to 100 #6059

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merged 6 commits into from
Apr 23, 2020
Merged

Update DefaultHistoricalEntries to 100 #6059

merged 6 commits into from
Apr 23, 2020

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jackzampolin
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Closes: #XXX

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alexanderbez
alexanderbez reviewed Apr 22, 2020
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x/staking/types/params.go Outdated Show resolved Hide resolved
x/staking/types/params.go Outdated
@@ -28,7 +28,7 @@ const (

// DefaultHistorical entries is 0 since it must only be non-zero for
// IBC connected chains
DefaultHistoricalEntries uint32 = 0
DefaultHistoricalEntries uint32 = 1000
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Any rationale behind this value?

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/cc @AdityaSripal

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This will govern how low-latency IBC handshakes must be in order to complete in time. I think 1000 is fine, it's probably even fine to use something much lower, like 100.

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@alexanderbez alexanderbez Apr 23, 2020 •
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I see. Are historical entries persisted in state? If so, we should opt for a lower bound instead (nitpick).

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@fedekunze fedekunze Apr 23, 2020 •
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after block 100 the new ones start overriding the old ones so there are always at most 100

fedekunze
fedekunze approved these changes Apr 22, 2020
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ACK. Pending @cwgoes and @AdityaSripal's approval

@fedekunze fedekunze mentioned this pull request Apr 22, 2020
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codecov bot commented Apr 22, 2020 •
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Codecov Report

Merging #6059 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #6059   +/-   ##
=======================================
  Coverage   54.64%   54.64%           
=======================================
  Files         426      426           
  Lines       25890    25890           
=======================================
  Hits        14148    14148           
  Misses      10763    10763           
  Partials      979      979

cwgoes
cwgoes approved these changes Apr 23, 2020
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ACK, although I think we don't even need to keep 1000, at least as a default

x/staking/types/params.go Outdated
@@ -28,7 +28,7 @@ const (

// DefaultHistorical entries is 0 since it must only be non-zero for
// IBC connected chains
DefaultHistoricalEntries uint32 = 0
DefaultHistoricalEntries uint32 = 1000
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This will govern how low-latency IBC handshakes must be in order to complete in time. I think 1000 is fine, it's probably even fine to use something much lower, like 100.

@fedekunze fedekunze changed the title Update DefaultHistoricalEntries to 1000 Update DefaultHistoricalEntries to 100 Apr 23, 2020
alexanderbez
alexanderbez approved these changes Apr 23, 2020
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ACK

@alexanderbez alexanderbez added the A:automerge Automatically merge PR once all prerequisites pass. label Apr 23, 2020
@mergify mergify bot merged commit 4f52797 into master Apr 23, 2020
@mergify mergify bot deleted the jack/hist-entries branch April 23, 2020 15:06
larry0x pushed a commit to larry0x/cosmos-sdk that referenced this pull request May 22, 2023
@jackzampolin @fedekunze @mergify
Update DefaultHistoricalEntries to 100 (cosmos#6059)
0988ecb 
* Update DefaultHistoricalEntries to 1000

* hist entries sims and comment on simapp

* changelog and godoc

* update sim param change

* update default to 100

Co-authored-by: Federico Kunze <[email protected]>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
@Itchibon777 Itchibon777 mentioned this pull request Dec 27, 2023
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@fedekunze fedekunze fedekunze approved these changes

@alexanderbez alexanderbez alexanderbez approved these changes

@cwgoes cwgoes cwgoes approved these changes

@alessio alessio Awaiting requested review from alessio

@hschoenburg hschoenburg Awaiting requested review from hschoenburg

@nylira nylira Awaiting requested review from nylira

@AdityaSripal AdityaSripal Awaiting requested review from AdityaSripal

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@jackzampolin @alexanderbez @cwgoes @fedekunze