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eth/filters: retrieve logs in async #27135

Merged
merged 26 commits into from
May 25, 2023
Merged

eth/filters: retrieve logs in async #27135

merged 26 commits into from
May 25, 2023

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jsvisa
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@jsvisa jsvisa commented Apr 21, 2023 •
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Try to implement #15063 and discussed with @s1na,
In the first phase, we want to make the filter.Logs() function returns a channel instead of a large array

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s1na requested changes Apr 21, 2023
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some early comments

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@fjl fjl changed the title WIP: eth/filters: retrive logs in async WIP: eth/filters: retrieve logs in async Apr 24, 2023
fjl
fjl reviewed Apr 24, 2023
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@jsvisa jsvisa changed the title WIP: eth/filters: retrieve logs in async eth/filters: retrieve logs in async Apr 24, 2023
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jsvisa commented Apr 24, 2023

@s1na please take another look, thanks

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holiman
holiman reviewed May 5, 2023
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eth/filters/filter.go
} else {
logs, err = f.indexedLogs(ctx, indexed-1)

go func() {
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I haven't reviewed this in any depth, so maybe I'm missing something... but it looks to me like this spins up two routines that may be stuck forever trying to deliver, in case the other side is no longer reading, for whatever reason.
Wouldn't it make sense it use the ctx to check if it's time to abort these routines?

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Good point. But seems we have handled this issue inside the indexedLogs https://github.com/ethereum/go-ethereum/blob/101ac683e447a2c23fc0141d33bbb3f2e0e32607/eth/filters/filter.go#L266

I wonder if I've lost something

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@s1na s1na May 8, 2023 •
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If we want to protect against potential receiver failure, we'd have to wrap every channel send with a select, as in:

select {
  case logchan <- log:
  case ctx.Done():
    return ctx.Error()
}

I guess I'm just wondering if this has an impact on performance or that should be negligible

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s1na commented May 8, 2023

This PR is looking very nice overall! I'm gonna do some testing.

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LGTM!

holiman
holiman reviewed May 17, 2023
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jsvisa commented May 18, 2023

@s1na @holiman please take another look, thanks

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One remaining nit, otherwise lgtm

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s1na commented May 22, 2023

I saw the timeout testcase I added fail once so I re-adjusted the timeout. It might turn out to be a flaky one. In that case I'll remove it in a future PR.

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s1na commented May 23, 2023

Needs rebase

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jsvisa commented May 23, 2023

I'll rebase it right now

@jsvisa
eth/filters: pendingLogs will not fail
78b2136 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: pass a channel to recv logs
58b35f7 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: retrive logs in async mode
4cdd665 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: backfilling it
4d33109 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: make LogsAsync private
ece83c7 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
Revert "eth/filters: backfilling it"
fc883c2 
This reverts commit fadf142d0a98d60acb0b4732e95e6bc77a5cbe8a.

Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: close logChan and errChan inside producer's side
9654751 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: let's resolve special in the begining of the goroutine
be1f183 
Signed-off-by: jsvisa <delweng@gmail.com>
jsvisa and others added 17 commits May 23, 2023 21:23
@jsvisa
eth/filters: resolve block number in Logs
9093799 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: handle pending logs outside async
368d09c 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: handle error
a2fcf1e 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
add tests for single block and pending
4ebecb2 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
use logger contract in tests
23e1876 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
test full logs output
5625439 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
expand tests
9cf858e 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
add timeout case
4353b09 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa @holiman
Update eth/filters/filter.go
aa2cf79 
Co-authored-by: Martin Holst Swende <martin@swende.se>
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa @holiman
Update eth/filters/filter.go
a014cd3 
Co-authored-by: Martin Holst Swende <martin@swende.se>
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa @holiman
Update eth/filters/filter.go
eda6214 
Co-authored-by: Martin Holst Swende <martin@swende.se>
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: fix typo
da62eac 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: no for loop
0ba4db0 
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: no need to check 10th context error
2df3c84 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @jsvisa
minor
5000eb7 
Signed-off-by: jsvisa <delweng@gmail.com>
@s1na @holiman @jsvisa
Update eth/filters/filter_test.go
5167b95 
Co-authored-by: Martin Holst Swende <martin@swende.se>
Signed-off-by: jsvisa <delweng@gmail.com>
@jsvisa
eth/filters: pending logs maybe null
f54f906 
Signed-off-by: jsvisa <delweng@gmail.com>
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jsvisa commented May 23, 2023

Rebased, and please take another look @s1na @holiman :)

holiman
holiman approved these changes May 23, 2023
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LGTM. We might be putting out a release pretty shortly, so I'd prefer to wait with merging until afterwards

@s1na s1na added this to the 1.12.1 milestone May 24, 2023
@holiman holiman merged commit db9a178 into ethereum:master May 25, 2023
@jsvisa jsvisa deleted the log-subscribe branch June 3, 2023 12:01
@0xcb9ff9 0xcb9ff9 mentioned this pull request Oct 30, 2023
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devopsbo3 pushed a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
@jsvisa @s1na
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eth/filters: retrieve logs in async (ethereum#27135)
f875ab9 
This change implements async log retrievals via feeding logs in channels, instead of returning slices. This is a first step to implement ethereum#15063.  

---------

Signed-off-by: jsvisa <delweng@gmail.com>
Co-authored-by: Sina Mahmoodi <itz.s1na@gmail.com>
Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Sina Mahmoodi <1591639+s1na@users.noreply.github.com>
devopsbo3 added a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
@devopsbo3
Revert "eth/filters: retrieve logs in async (ethereum#27135)"
d6f0b01 
This reverts commit f875ab9.
devopsbo3 added a commit to HorizenOfficial/go-ethereum that referenced this pull request Nov 10, 2023
@devopsbo3
Revert "eth/filters: retrieve logs in async (ethereum#27135)"
91ac8fd 
This reverts commit f875ab9.
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@fjl fjl fjl left review comments

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@holiman holiman holiman approved these changes

@s1na s1na s1na approved these changes

@karalabe karalabe Awaiting requested review from karalabe karalabe is a code owner

@rjl493456442 rjl493456442 Awaiting requested review from rjl493456442 rjl493456442 is a code owner

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