diff --git a/pkg/core/transaction/oracle.go b/pkg/core/transaction/oracle.go
index 0477373d5e..c16d8e7a39 100644
--- a/pkg/core/transaction/oracle.go
+++ b/pkg/core/transaction/oracle.go
@@ -22,11 +22,14 @@ const MaxOracleResultSize = math.MaxUint16
 
 // Enumeration of possible oracle response types.
 const (
-	Success   OracleResponseCode = 0x00
-	NotFound  OracleResponseCode = 0x10
-	Timeout   OracleResponseCode = 0x12
-	Forbidden OracleResponseCode = 0x14
-	Error     OracleResponseCode = 0xff
+	Success              OracleResponseCode = 0x00
+	ConsensusUnreachable OracleResponseCode = 0x10
+	NotFound             OracleResponseCode = 0x12
+	Timeout              OracleResponseCode = 0x14
+	Forbidden            OracleResponseCode = 0x16
+	ResponseTooLarge     OracleResponseCode = 0x18
+	InsufficientFunds    OracleResponseCode = 0x1a
+	Error                OracleResponseCode = 0xff
 )
 
 // Various validation errors.