fix(x/group): propagate events correctly to current context (cosmos#1…

…2888)

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

* update to use current context on logger

* adding changelog entry

Co-authored-by: Aleksandr Bezobchuk <[email protected]>

CHANGELOG.md

@@ -115,6 +115,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/staking) [#12303](https://github.com/cosmos/cosmos-sdk/pull/12303) Use bytes instead of string comparison in delete validator queue
 * (x/auth/tx) [#12474](https://github.com/cosmos/cosmos-sdk/pull/12474) Remove condition in GetTxsEvent that disallowed multiple equal signs, which would break event queries with base64 strings (i.e. query by signature).
 * (store/rootmulti) [#12487](https://github.com/cosmos/cosmos-sdk/pull/12487) Fix non-deterministic map iteration.
+* (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`.
 
 ### Deprecated
 

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())
+			}
 		}
 	}