From f02c26ce51b948366a26817ff75c2f4aae15ed02 Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Thu, 16 Dec 2021 11:30:45 +0100
Subject: [PATCH] fix: populate ctx.ConsensusParams for begin blockers
 (backport #10725) (#10781)

* fix: populate ctx.ConsensusParams for begin blockers (#10725)

Closes: #10724

## Description

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

(cherry picked from commit 675be9d6dbef2d82dd1ca8ee790314b30b1bfe3a)

# Conflicts:
#	CHANGELOG.md

* fix cl

* remove test

Co-authored-by: yihuang <huang@crypto.com>
Co-authored-by: Amaury M <1293565+amaurym@users.noreply.github.com>
---
 CHANGELOG.md    | 5 +++++
 baseapp/abci.go | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 425076ab31a2..11b7fef6e7b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,6 +37,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+### Bug Fixes
+
+* [#10725](https://github.com/cosmos/cosmos-sdk/pull/10725) populate `ctx.ConsensusParams` for begin/end blockers.
+
 ## [v0.44.5](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.5) - 2021-12-02
 
 ### Improvements
@@ -62,6 +66,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (bank) [\#10394](https://github.com/cosmos/cosmos-sdk/pull/10394) Fix: query account balance by ibc denom.
 * [\10608](https://github.com/cosmos/cosmos-sdk/pull/10608) Change the order of module migration by pushing x/auth to the end. Auth module depends on other modules and should be run last. We have updated the documentation to provide more details how to change module migration order. This is technically a breaking change, but only impacts updates between the upgrades with version change, hence migrating from the previous patch release doesn't cause new migration and doesn't break the state.
 * [\#10674](https://github.com/cosmos/cosmos-sdk/pull/10674) Fix issue with `Error.Wrap` and `Error.Wrapf` usage with `errors.Is`.
+
 ## [v0.44.3](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.44.3) - 2021-10-21
 
 ### Improvements
diff --git a/baseapp/abci.go b/baseapp/abci.go
index b5a21f33058c..f674f88d1884 100644
--- a/baseapp/abci.go
+++ b/baseapp/abci.go
@@ -179,7 +179,8 @@ func (app *BaseApp) BeginBlock(req abci.RequestBeginBlock) (res abci.ResponseBeg
 
 	app.deliverState.ctx = app.deliverState.ctx.
 		WithBlockGasMeter(gasMeter).
-		WithHeaderHash(req.Hash)
+		WithHeaderHash(req.Hash).
+		WithConsensusParams(app.GetConsensusParams(app.deliverState.ctx))
 
 	// we also set block gas meter to checkState in case the application needs to
 	// verify gas consumption during (Re)CheckTx