Export GraphKey and expose toField methods on Scalars and View Keys

Author: iamalwaysuncomfortable

sdk/src/browser.ts

@@ -72,6 +72,7 @@ export {
     ExecutionResponse,
     EncryptionToolkit,
     Field,
+    GraphKey,
     Group,
     I8,
     I16,

sdk/src/wasm.ts

@@ -13,6 +13,7 @@ export {
     Execution,
     ExecutionResponse,
     Field,
+    GraphKey,
     Group,
     I8, 
     I16, 

wasm/src/account/view_key.rs

@@ -14,11 +14,9 @@
 // You should have received a copy of the GNU General Public License
 // along with the Provable SDK library. If not, see <https://www.gnu.org/licenses/>.
 
-use super::{Address, PrivateKey};
-use crate::record::RecordCiphertext;
-
-use crate::{Scalar, types::native::ViewKeyNative};
+use crate::{Address, Field, PrivateKey, RecordCiphertext, Scalar, types::native::ViewKeyNative};
 use core::{convert::TryFrom, fmt, ops::Deref, str::FromStr};
+use snarkvm_console::prelude::ToField;
 use wasm_bindgen::prelude::*;
 
 #[wasm_bindgen]
@@ -63,6 +61,12 @@ impl ViewKey {
         Scalar::from(*self.0)
     }
 
+    /// Cast the view key to a field.
+    #[wasm_bindgen(js_name = toField)]
+    pub fn to_field(&self) -> Result<Field, String> {
+        Ok(Field::from(self.0.to_field().map_err(|e| e.to_string())?))
+    }
+
     /// Decrypt a record ciphertext with a view key
     ///
     /// @param {string} ciphertext String representation of a record ciphertext

wasm/src/types/scalar.rs

@@ -15,12 +15,13 @@
 // along with the Provable SDK library. If not, see <https://www.gnu.org/licenses/>.
 
 use crate::{
+    Field,
     Plaintext,
     from_js_typed_array,
     to_bits_array_le,
     types::native::{LiteralNative, PlaintextNative, ScalarNative},
 };
-use snarkvm_console::prelude::{Double, FromBits, FromBytes, One, Pow, ToBits, ToBytes, Uniform, Zero};
+use snarkvm_console::prelude::{Double, FromBits, FromBytes, One, Pow, ToBits, ToBytes, ToField, Uniform, Zero};
 
 use js_sys::{Array, Uint8Array};
 use std::{ops::Deref, str::FromStr, sync::OnceLock};
@@ -81,6 +82,12 @@ impl Scalar {
         Plaintext::from(PlaintextNative::Literal(LiteralNative::Scalar(self.0), OnceLock::new()))
     }
 
+    /// Cast the scalar element to a field element.
+    #[wasm_bindgen(js_name = "toField")]
+    pub fn to_field(&self) -> Result<Field, String> {
+        Ok(Field::from(self.0.to_field().map_err(|e| e.to_string())?))
+    }
+
     /// Clone the scalar element.
     #[allow(clippy::should_implement_trait)]
     pub fn clone(&self) -> Scalar {