WASM: add bindings for Note.commitment_point()

Author: andiflabs

ironfish-rust-wasm/src/note.rs

@@ -6,7 +6,7 @@ use crate::{
     assets::AssetIdentifier,
     errors::IronfishError,
     keys::{IncomingViewKey, PublicAddress, ViewKey},
-    primitives::{ExtendedPoint, Nullifier},
+    primitives::{ExtendedPoint, Nullifier, Scalar},
     wasm_bindgen_wrapper,
 };
 use ironfish::errors::IronfishErrorKind;
@@ -83,6 +83,11 @@ impl Note {
         self.0.commitment().to_vec()
     }
 
+    #[wasm_bindgen(getter, js_name = commitmentPoint)]
+    pub fn commitment_point(&self) -> Scalar {
+        self.0.commitment_point().into()
+    }
+
     #[wasm_bindgen]
     pub fn encrypt(&self, shared_secret: &[u8]) -> Result<Vec<u8>, IronfishError> {
         let shared_secret: &[u8; 32] = shared_secret

ironfish-rust/src/note.rs

@@ -333,7 +333,7 @@ impl Note {
     ///
     /// The owner can publish this value to commit to the fact that the note
     /// exists, without revealing any of the values on the note until later.
-    pub(crate) fn commitment_point(&self) -> Scalar {
+    pub fn commitment_point(&self) -> Scalar {
         // The commitment is in the prime order subgroup, so mapping the
         // commitment to the u-coordinate is an injective encoding.
         ironfish_jubjub::ExtendedPoint::from(self.commitment_full_point())