Bootstrap copied BFF and local accounts with public Sendico contracts (#34)

backend/pkg/moneybase/scale.go

@@ -0,0 +1,12 @@
+package moneybase
+
+import "git.sendico.io/tech/sxchnge/bff/pkg/merrors"
+
+const MaxScale uint32 = 36
+
+func ValidateScale(field string, scale uint32) error {
+	if scale > MaxScale {
+		return merrors.InvalidArgumentf("%s exceeds supported money scale %d", field, MaxScale)
+	}
+	return nil
+}