Merge PR #4873: Set New EventManager in Context#CacheContext

.pending/bugfixes/_4868-Context-CacheC

@@ -0,0 +1,2 @@
+#4868 Context#CacheContext now sets a new EventManager. This prevents unwanted events
+from being emitted.

types/context.go

@@ -205,10 +205,11 @@ func (c Context) TransientStore(key StoreKey) KVStore {
 	return gaskv.NewStore(c.MultiStore().GetKVStore(key), c.GasMeter(), stypes.TransientGasConfig())
 }
 
-// Cache the multistore and return a new cached context. The cached context is
-// written to the context when writeCache is called.
+// CacheContext returns a new Context with the multi-store cached and a new
+// EventManager. The cached context is written to the context when writeCache
+// is called.
 func (c Context) CacheContext() (cc Context, writeCache func()) {
 	cms := c.MultiStore().CacheMultiStore()
-	cc = c.WithMultiStore(cms)
+	cc = c.WithMultiStore(cms).WithEventManager(NewEventManager())
 	return cc, cms.Write
 }