send ValidatorSetUpdates event when validator set changes #2161

melekes · 2018-08-06T13:46:28Z

Refs #1916

Updated all relevant documentation in docs
Updated all code comments where relevant
Wrote tests
Updated CHANGELOG_PENDING.md

REBASE AGAINST DEVELOP ONCE #2159 MERGED

fedekunze · 2018-08-06T14:41:48Z

docs/app-dev/subscribing-to-events-via-websocket.md

+        "data": {
+            "type": "tendermint/event/ValidatorSetUpdates",
+            "value": {
+              "validator_updates": [


@melekes does it contains only the new validators and validators that changed their power or the updated list with the new validator set ?

Neither. It's the list of updates. So if the current validator set is A, B, C and application includes D, then ValidatorSetUpdates will contain only D.

Is that not enough? Given you track validators from the beginning (or get them using RPC /validators), you should be able to construct the updated set.

And if the current validator set is A, B, C and and application includes D and drops A ? will ValidatorSetUpdates only include D as well ?

No. It will be A (pubkeyA, power: 0), D (pubkeyD, power: X)

ValarDragon

🎆 💯 ✔️ LGTM

ebuchman · 2018-08-10T22:03:59Z

+ make metalinter
--> Running linter
abci/types/types.pb.go:6768:1:warning: randUnrecognizedTypes is unused (deadcode)
abci/types/types.pb.go:7637:1:warning: sozTypes is unused (deadcode)
Makefile:221: recipe for target 'metalinter' failed
make: *** [metalinter] Error 1
Exited with code 2

ebuchman

Awesome thanks Anton.

Only thing is we should consider how we feel about passing ABCI pubkey over RPC here inconsistent with other instances of pubkey over RPC.

Also, should we send this to master so we can get a hot fix release with this on testnets instead of waiting for the next breaking tendermint release?

ebuchman · 2018-08-10T22:09:32Z

types/events.go

+	EventTx                  = "Tx"
+	EventUnlock              = "Unlock"
+	EventValidatorSetUpdates = "ValidatorSetUpdates"
+	EventVote                = "Vote"


maybe we should note in the comments that these are alphabetical for the poor soul that adds an event to this list without realizing :P

ebuchman · 2018-08-10T22:11:29Z

types/events.go

@@ -92,6 +86,10 @@ type EventDataVote struct {

 type EventDataString string

+type EventDataValidatorSetUpdates struct {
+	ValidatorUpdates []abci.ValidatorUpdate `json:"validator_updates"`


is it weird that we're going to be passing an ABCI validator over the RPC here ? ie. it will be different than the usual representation of pubkeys using AminoJSON

codecov-io · 2018-08-13T07:49:22Z

Codecov Report

Merging #2161 into develop will increase coverage by 0.08%.
The diff coverage is 68.51%.

@@             Coverage Diff             @@
##           develop    #2161      +/-   ##
===========================================
+ Coverage    62.28%   62.37%   +0.08%     
===========================================
  Files          212      212              
  Lines        17565    17562       -3     
===========================================
+ Hits         10941    10954      +13     
+ Misses        5718     5701      -17     
- Partials       906      907       +1

Impacted Files	Coverage Δ
types/events.go	`28.57% <0%> (+8.57%)`	⬆️
types/nop_event_bus.go	`0% <0%> (ø)`	⬆️
state/execution.go	`75.38% <100%> (+2.6%)`	⬆️
types/event_bus.go	`83.09% <97.05%> (+0.48%)`	⬆️
consensus/state.go	`76.58% <0%> (-0.61%)`	⬇️
consensus/reactor.go	`73.02% <0%> (-0.27%)`	⬇️
libs/db/remotedb/grpcdb/client.go	`0% <0%> (ø)`	⬆️
proxy/app_conn.go	`0% <0%> (ø)`	⬆️
p2p/peer.go	`59.09% <0%> (+1.13%)`	⬆️
... and 1 more

Refs #1916

…ndermint#2161) Bumps [bufbuild/buf-setup-action](https://github.com/bufbuild/buf-setup-action) from 1.28.1 to 1.29.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/bufbuild/buf-setup-action/releases">bufbuild/buf-setup-action's releases</a>.</em></p> <blockquote> <h2>v1.29.0</h2> <p>Release v1.29.0</p> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/bufbuild/buf-setup-action/commit/88db93f5d74ffa329bb43e42aa95cd822697d214"><code>88db93f</code></a> Release v1.29.0 (<a href="https://redirect.github.com/bufbuild/buf-setup-action/issues/181">#181</a>)</li> <li>See full diff in <a href="https://github.com/bufbuild/buf-setup-action/compare/v1.28.1...v1.29.0">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=bufbuild/buf-setup-action&package-manager=github_actions&previous-version=1.28.1&new-version=1.29.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

melekes requested review from ebuchman, xla and zramsay as code owners August 6, 2018 13:46

fedekunze mentioned this pull request Aug 6, 2018

Update the validators when they change luniehq/lunie#946

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fedekunze reviewed Aug 6, 2018

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fedekunze mentioned this pull request Aug 7, 2018

WIP: Update validators when they change luniehq/lunie#1083

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ValarDragon approved these changes Aug 7, 2018

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fedekunze mentioned this pull request Aug 8, 2018

v0.24 release cosmos/cosmos-sdk#1935

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ebuchman approved these changes Aug 10, 2018

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melekes force-pushed the 1916-ws-event-for-validator-set-changes branch from 14f66f2 to 2d7d367 Compare August 13, 2018 07:41

melekes changed the base branch from bucky/abci-validators to develop August 13, 2018 07:41

send ValidatorSetUpdates event when validator set changes

420d8cb

Refs #1916

melekes force-pushed the 1916-ws-event-for-validator-set-changes branch from 2d7d367 to 420d8cb Compare August 13, 2018 07:51

melekes merged commit 80e49ab into develop Aug 14, 2018

melekes deleted the 1916-ws-event-for-validator-set-changes branch August 14, 2018 15:16

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send ValidatorSetUpdates event when validator set changes #2161

send ValidatorSetUpdates event when validator set changes #2161

melekes commented Aug 6, 2018

fedekunze Aug 6, 2018

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send ValidatorSetUpdates event when validator set changes #2161

send ValidatorSetUpdates event when validator set changes #2161

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