Update components as may needing deprecation

core/chain.go

@@ -1,5 +1,7 @@
 package core
 
+// TODO: This functionality and implementation may be deprecated
+
 import (
 	"math/big"
 

state/database.go

@@ -15,6 +15,8 @@ import (
 	dbm "github.com/tendermint/tendermint/libs/db"
 )
 
+// TODO: This functionality and implementation may be deprecated
+
 var (
 	// CodeKey is the key used for storing Ethereum contract code in the Cosmos
 	// SDK multi-store.

state/trie.go

@@ -12,6 +12,8 @@ import (
 	lru "github.com/hashicorp/golang-lru"
 )
 
+// TODO: This functionality and implementation may be deprecated
+
 const (
 	versionLen = 8
 )