From a60051c8a20ae61c7f003e6cdcb891e20b210657 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@electriccoin.co>
Date: Tue, 27 Apr 2021 12:27:23 +1200
Subject: [PATCH] Add from_raw constructors to NoteValue and ValueSum

These might be replaced later with APIs that can provide more useful
bounds checks, but we do need some way to construct these types.
---
 src/value.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/value.rs b/src/value.rs
index 75fe837c..ce1ae43c 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -52,6 +52,14 @@ impl NoteValue {
         Default::default()
     }
 
+    /// Creates a note value from its raw numeric value.
+    ///
+    /// This only enforces that the value is an unsigned 64-bit integer. Callers should
+    /// enforce any additional constraints on the value's valid range themselves.
+    pub fn from_raw(value: u64) -> Self {
+        NoteValue(value)
+    }
+
     pub(crate) fn to_le_bits(self) -> BitArray<Lsb0, [u8; 8]> {
         BitArray::<Lsb0, _>::new(self.0.to_le_bytes())
     }
@@ -71,6 +79,16 @@ impl Sub for NoteValue {
 #[derive(Clone, Copy, Debug, Default)]
 pub struct ValueSum(i64);
 
+impl ValueSum {
+    /// Creates a value sum from its raw numeric value.
+    ///
+    /// This only enforces that the value is a signed 63-bit integer. Callers should
+    /// enforce any additional constraints on the value's valid range themselves.
+    pub fn from_raw(value: i64) -> Self {
+        ValueSum(value)
+    }
+}
+
 impl Add for ValueSum {
     type Output = Result<ValueSum, OverflowError>;