fix(x/group): propagate events correctly to current context (backport c…

…osmos#12888) (cosmos#12890)

* fix(x/group): propagate events correctly to current context (cosmos#12888)

* fix(x/groups) propagate events correctly to current context

* update to use current context on logger

* adding changelog entry

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>
(cherry picked from commit 014bfae)

# Conflicts:
#	CHANGELOG.md

* fix conflicts

Co-authored-by: Damian Nolan <damiannolan@gmail.com>
Co-authored-by: Amaury M <1293565+amaurym@users.noreply.github.com>

CHANGELOG.md

@@ -44,6 +44,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/bank) [#12674](https://github.com/cosmos/cosmos-sdk/pull/12674) Add convenience function `CreatePrefixedAccountStoreKey()` to construct key to access account's balance for a given denom.
 * [#12877](https://github.com/cosmos/cosmos-sdk/pull/12877) Bumped cosmossdk.io/math to v1.0.0-beta.3
 
+### Bug Fixes
+
+* (x/group) [#12888](https://github.com/cosmos/cosmos-sdk/pull/12888) Fix event propagation to the current context of `x/group` message execution `[]sdk.Result`.
+
 ## [v0.46.0](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.0) - 2022-07-26
 
 ### Features

x/group/keeper/msg_server.go

@@ -747,20 +747,26 @@ func (k Keeper) Exec(goCtx context.Context, req *group.MsgExec) (*group.MsgExecR
 	var logs string
 	if proposal.Status == group.PROPOSAL_STATUS_ACCEPTED && proposal.ExecutorResult != group.PROPOSAL_EXECUTOR_RESULT_SUCCESS {
 		// Caching context so that we don't update the store in case of failure.
-		ctx, flush := ctx.CacheContext()
+		cacheCtx, flush := ctx.CacheContext()
 
 		addr, err := sdk.AccAddressFromBech32(policyInfo.Address)
 		if err != nil {
 			return nil, err
 		}
-		_, err = k.doExecuteMsgs(ctx, k.router, proposal, addr)
+
+		results, err := k.doExecuteMsgs(cacheCtx, k.router, proposal, addr)
 		if err != nil {
 			proposal.ExecutorResult = group.PROPOSAL_EXECUTOR_RESULT_FAILURE
 			logs = fmt.Sprintf("proposal execution failed on proposal %d, because of error %s", id, err.Error())
 			k.Logger(ctx).Info("proposal execution failed", "cause", err, "proposalID", id)
 		} else {
 			proposal.ExecutorResult = group.PROPOSAL_EXECUTOR_RESULT_SUCCESS
 			flush()
+
+			for _, res := range results {
+				// NOTE: The sdk msg handler creates a new EventManager, so events must be correctly propagated back to the current context
+				ctx.EventManager().EmitEvents(res.GetEvents())
+			}
 		}
 	}