Environment: add Data_encoding.check_size

2018-06-13 16:49:02 +02:00 · 2018-06-13 16:49:02 +02:00 · 0d136b0bd7
commit 0d136b0bd7
parent 8f5aecfc01
1 changed files with 6 additions and 0 deletions
--- a/src/lib_protocol_environment/sigs/v1/data_encoding.mli
+++ b/src/lib_protocol_environment/sigs/v1/data_encoding.mli
@ -263,3 +263,9 @@ module Binary : sig
  exception Write_error of write_error

 end
+
+(** [check_size size encoding] ensures that the binary encoding
+    of a value will not be allowed to exceed [size] bytes. The reader
+    and the writer fails otherwise. This function do not modify
+    the JSON encoding. *)
+val check_size : int -> 'a encoding -> 'a encoding