support bigint constructor

iden3 · Nov 7, 2024 · aa33f7a · aa33f7a
1 parent ccf6422
commit aa33f7a
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Showing 3 changed files with 32 additions and 2 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/src/claim.ts b/src/claim.ts
@@ -526,6 +526,17 @@ export class Claim {
     return this;
   }
 
+  fromBigInts(raw: bigint[]): Claim {
+    if (raw.length !== this._index.length + this._value.length) {
+      throw new Error("invalid number of claim's slots");
+    }
+    for (let i = 0; i < 4; i++) {
+      this._index[i].setBigInt(raw[i]);
+      this._value[i].setBigInt(raw[i + 4]);
+    }
+    return this;
+  }
+
   unMarshalBinary(data: Uint8Array): void {
     const wantLen = 2 * Constants.ELEM_BYTES_LENGTH * Constants.BYTES_LENGTH;
     if (data.length !== wantLen) {

diff --git a/tests/claim.test.ts b/tests/claim.test.ts
@@ -551,6 +551,25 @@ describe('claim test', () => {
     });
   });
 
+  describe('from constructors', () => {
+    it('fromBigInts', () => {
+      // this test was synthesized with golang test
+      const ints = [
+        BigInt("3537648966163034177119037898189471968122"),
+        BigInt("25999649578069426716666405683037372395789852830344252783677755850030715394"),
+        BigInt("657065114158124047812701241180089030040156354062"),
+        BigInt("1995762661"),
+        BigInt("58718019808110235945021734914"),
+        BigInt("0"),
+        BigInt("0"),
+        BigInt("0"),
+      ]
+      const c = (new Claim).fromBigInts(ints);
+      const userId = c.getId();
+      expect(userId.string()).toEqual("2qNkLwz97jdzZBkdJYwVdXyGARGfVSGLJxELVC9ceH");
+    });
+  });
+
   it('set index ID value', () => {
     const id = Id.fromString('ww9xPmW6U3k6XatpaPPWbqPgUqW2Ct6AhsGNuYGm2');
     const claim = new Claim();