feat: Expose wasm bindings for Name ser/de

wnfs-wg · Dec 15, 2023 · 9bca7a1 · 9bca7a1
1 parent 0964ac4
commit 9bca7a1
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Showing 2 changed files with 40 additions and 3 deletions.
diff --git a/wnfs-wasm/src/fs/private/name.rs b/wnfs-wasm/src/fs/private/name.rs
@@ -1,4 +1,7 @@
+use crate::fs::{utils::error, JsResult, PrivateForest};
+use std::rc::Rc;
 use wasm_bindgen::prelude::wasm_bindgen;
+use wnfs::private::forest::traits::PrivateForest as WnfsPrivateForest;
 use wnfs_nameaccumulator::{Name as WnfsName, NameAccumulator as WnfsNameAccumulator};
 
 //--------------------------------------------------------------------------------------------------
@@ -14,3 +17,34 @@ pub struct NameAccumulator(pub(crate) WnfsNameAccumulator);
 //--------------------------------------------------------------------------------------------------
 // Implementations
 //--------------------------------------------------------------------------------------------------
+
+#[wasm_bindgen]
+impl Name {
+    #[wasm_bindgen(constructor)]
+    pub fn new(accumulator: &NameAccumulator) -> Name {
+        Self(WnfsName::new(accumulator.0.clone(), []))
+    }
+
+    #[wasm_bindgen(js_name = "toNameAccumulator")]
+    pub fn to_name_accumulator(&self, forest: &PrivateForest) -> NameAccumulator {
+        let name = &self.0;
+        let forest = Rc::clone(&forest.0);
+        let accumulator = name.into_accumulator(&forest.get_accumulator_setup());
+        return NameAccumulator(accumulator);
+    }
+}
+
+#[wasm_bindgen]
+impl NameAccumulator {
+    #[wasm_bindgen(js_name = "fromBytes")]
+    pub fn from_bytes(bytes: Vec<u8>) -> JsResult<NameAccumulator> {
+        let accumulator = WnfsNameAccumulator::parse_bytes(bytes)
+            .map_err(error("Couldn't parse name accumulator"))?;
+        Ok(Self(accumulator))
+    }
+
+    #[wasm_bindgen(js_name = "toBytes")]
+    pub fn to_bytes(&self) -> Vec<u8> {
+        self.0.as_bytes().to_vec()
+    }
+}
diff --git a/wnfs-wasm/tests/share.spec.ts b/wnfs-wasm/tests/share.spec.ts
@@ -13,7 +13,7 @@ test.describe("Share", () => {
   test("share and recieve share", async ({ page }) => {
     const result = await page.evaluate(async () => {
       const {
-        wnfs: { PrivateForest, share, createShareName, receiveShare },
+        wnfs: { PrivateForest, Name, NameAccumulator, share, createShareName, receiveShare },
         mock: {
           MemoryBlockStore,
           Rng,
@@ -31,7 +31,7 @@ test.describe("Share", () => {
       const sharerRootDid = "did:key:z6MkqZjY";
       const store = new MemoryBlockStore();
 
-      var { rootDir: sharerDir, forest: forest } = await createSharerDir(
+      var { rootDir: sharerDir, forest } = await createSharerDir(
         forest,
         store,
         rng
@@ -58,8 +58,11 @@ test.describe("Share", () => {
       const modulus = await recipientKey.getPublicKey().getPublicKeyModulus();
       const shareLabel = createShareName(0, sharerRootDid, modulus, forest2);
 
+      const shareLabelSerialized = shareLabel.toNameAccumulator(forest2).toBytes();
+      const shareLabelDeserialized = new Name(NameAccumulator.fromBytes(shareLabelSerialized));
+
       const sharedNode = await receiveShare(
-        shareLabel,
+        shareLabelDeserialized,
         recipientKey,
         forest2,
         store