Merge branch 'master' into lash/purify-more

common/db.go

@@ -7,7 +7,7 @@ import (
 	"git.defalsify.org/vise.git/logging"
 )
 
-// DataType is a subprefix value used in association with vise/db.DATATYPE_USERDATA. 
+// DataType is a subprefix value used in association with vise/db.DATATYPE_USERDATA.
 //
 // All keys are used only within the context of a single account. Unless otherwise specified, the user context is the session id.
 //
@@ -55,6 +55,8 @@ const (
 	DATA_ACTIVE_DECIMAL
 	// EVM address of the currently active voucher
 	DATA_ACTIVE_ADDRESS
+	//Holds count of the number of incorrect PIN attempts
+	DATA_INCORRECT_PIN_ATTEMPTS
 )
 
 const (

common/pin.go

@@ -6,9 +6,13 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
-// Define the regex pattern as a constant
 const (
+	// Define the regex pattern as a constant
 	pinPattern = `^\d{4}$`
+
+	//Allowed incorrect  PIN attempts
+	AllowedPINAttempts = uint8(3)
+	
 )
 
 // checks whether the given input is a 4 digit number