chore: store full idCommitment

Author: danisharora099

danish.json

@@ -0,0 +1,33 @@
+# ... existing code ...
+            try:
+                utf8 = decrypted_data.decode("utf-8")
+                parsed = json.loads(utf8)
+                identity = parsed.get("identityCredential")
+                if identity:
+                    def arr2hex(arr):
+                        return ''.join(f'{b:02x}' for b in arr)
+                    print("idCommitment:", arr2hex(identity.get("idCommitment", [])))
+                    print("idTrapdoor:", arr2hex(identity.get("idTrapdoor", [])))
+                    print("idNullifier:", arr2hex(identity.get("idNullifier", [])))
+                    print("idSecretHash:", arr2hex(identity.get("idSecretHash", [])))
+                else:
+                    print("No identityCredential found. Raw JSON:", parsed)
+            except Exception as e:
+                print("Could not extract identityCredential:", e)
+# ... existing code ...
+                try:
+                    utf8 = decrypted_data.decode("utf-8")
+                    parsed = json.loads(utf8)
+                    identity = parsed.get("identityCredential")
+                    if identity:
+                        def arr2hex(arr):
+                            return ''.join(f'{b:02x}' for b in arr)
+                        print("idCommitment:", arr2hex(identity.get("idCommitment", [])))
+                        print("idTrapdoor:", arr2hex(identity.get("idTrapdoor", [])))
+                        print("idNullifier:", arr2hex(identity.get("idNullifier", [])))
+                        print("idSecretHash:", arr2hex(identity.get("idSecretHash", [])))
+                    else:
+                        print("No identityCredential found. Raw JSON:", parsed)
+                except Exception as e:
+                    print("Could not extract identityCredential:", e)
+# ... existing code ... 

packages/rln/src/identity.ts

@@ -18,7 +18,8 @@ export class IdentityCredential {
     const idNullifier = memKeys.subarray(32, 64);
     const idSecretHash = memKeys.subarray(64, 96);
     const idCommitment = memKeys.subarray(96, 128);
-    const idCommitmentBigInt = buildBigIntFromUint8Array(idCommitment, 32);
+
+    const idCommitmentBigInt = buildBigIntFromUint8Array(idCommitment);
 
     return new IdentityCredential(
       idTrapdoor,

packages/rln/src/utils/bytes.ts

@@ -61,12 +61,12 @@ export function writeUIntLE(
  * @param array: Uint8Array
  * @returns BigInt
  */
-export function buildBigIntFromUint8Array(
-  array: Uint8Array,
-  byteOffset: number = 0
-): bigint {
-  const dataView = new DataView(array.buffer);
-  return dataView.getBigUint64(byteOffset, true);
+export function buildBigIntFromUint8Array(array: Uint8Array): bigint {
+  let hex = "";
+  for (let i = 0; i < array.length; i++) {
+    hex = array[i].toString(16).padStart(2, "0") + hex; // Reverse order for big-endian
+  }
+  return BigInt("0x" + hex);
 }
 
 /**