Remove TMSP Commit/Rollback; Add CheckTx

types/application.go

@@ -2,12 +2,6 @@ package types
 
 type Application interface {
 
-	// For new socket connections
-	Open() AppContext
-}
-
-type AppContext interface {
-
 	// Echo a message
 	Echo(message string) string
 
@@ -17,24 +11,18 @@ type AppContext interface {
 	// Set application option (e.g. mode=mempool, mode=consensus)
 	SetOption(key string, value string) RetCode
 
-	// Append a tx, which may or may not get committed
+	// Append a tx
 	AppendTx(tx []byte) ([]Event, RetCode)
 
+	// Validate a tx for the mempool
+	CheckTx(tx []byte) RetCode
+
 	// Return the application Merkle root hash
 	GetHash() ([]byte, RetCode)
 
-	// Set commit checkpoint
-	Commit() RetCode
-
-	// Rollback to the latest commit
-	Rollback() RetCode
-
 	// Add event listener
 	AddListener(key string) RetCode
 
 	// Remove event listener
 	RemListener(key string) RetCode
-
-	// Close this AppContext
-	Close() error
 }