feat: emit cached context events

CHANGELOG.md

@@ -39,7 +39,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Features
 
-* (x/authz) [#12648](https://github.com/cosmos/cosmos-sdk/pull/12648) Add an allow list, an optional list of addresses allowed to receive bank assests via authz MsgSend grant.
+* (context) [#13063](https://github.com/cosmos/cosmos-sdk/pull/13063) Implement `Context#CacheContextEmitEvents` which automatically emits all events emitted by the cached context when writing state.
+* (x/authz) [#12648](https://github.com/cosmos/cosmos-sdk/pull/12648) Add an allow list, an optional list of addresses allowed to receive bank assets via authz MsgSend grant.
 * (sdk.Coins) [#12627](https://github.com/cosmos/cosmos-sdk/pull/12627) Make a Denoms method on sdk.Coins.
 * (testutil) [#12973](https://github.com/cosmos/cosmos-sdk/pull/12973) Add generic `testutil.RandSliceElem` function which selects a random element from the list.
 * (x/authz) [#13047](https://github.com/cosmos/cosmos-sdk/pull/13047) Add a GetAuthorization function to the keeper.

types/context.go

@@ -275,6 +275,21 @@ func (c Context) CacheContext() (cc Context, writeCache func()) {
 	return cc, cms.Write
 }
 
+// CacheContextEmitEvents behaves the same as CacheContext except that it
+// automatically emits the events from the cached context when the caller
+// executes the writeCache function.
+func (c Context) CacheContextEmitEvents() (cc Context, writeCache func()) {
+	cms := c.MultiStore().CacheMultiStore()
+	cc = c.WithMultiStore(cms).WithEventManager(NewEventManager())
+
+	writeCache = func() {
+		c.EventManager().EmitEvents(cc.EventManager().Events())
+		cms.Write()
+	}
+
+	return cc, writeCache
+}
+
 var _ context.Context = Context{}
 
 // ContextKey defines a type alias for a stdlib Context key.