Audit changes

hub/errs/db.go

@@ -27,6 +27,8 @@ func DB(err error) error {
 		switch se.ExtendedCode {
 		case sqlite3.ErrConstraintUnique, sqlite3.ErrConstraintPrimaryKey:
 			return ErrAlreadyExists
+		case sqlite3.ErrConstraintForeignKey, sqlite3.ErrConstraintCheck:
+			return ErrConstraint
 		}
 	}
 

hub/errs/types.go

@@ -30,6 +30,7 @@ var (
 	ErrInvalidNetName  = BadRequest.WithMsg("Invalid network name.")
 	ErrNetNameNotLocal = BadRequest.WithMsg("Network name must end with .local.")
 	ErrInvalidPeerName = BadRequest.WithMsg("Invalid peer name.")
+	ErrConstraint      = BadRequest.WithMsg("Constraint error.")
 )
 
 // ----------------------------------------------------------------------------