feat(sdk): add support for URL in multiaddr

Author: PierreJeanjacquot

packages/sdk/src/utils/getMultiaddrAsString.ts

@@ -22,15 +22,28 @@ export function getMultiaddrAsString({
   if (!multiAddrAsBytesArray) {
     return undefined;
   }
+  const multiaddrAsBytes = new Uint8Array(multiAddrAsBytesArray);
+
+  // try utf8 encoded url
+  try {
+    const decodedString = new TextDecoder().decode(multiaddrAsBytes);
+    if (decodedString.startsWith('https://')) {
+      return decodedString;
+    }
+  } catch {
+    // noop
+  }
+
+  // try machine format multiaddr
   try {
-    const multiaddrAsBytes = new Uint8Array(multiAddrAsBytesArray);
     const decodedMultiaddr = multiaddr(multiaddrAsBytes);
     return decodedMultiaddr.toString();
-  } catch (err) {
-    console.warn(
-      `[getMultiaddrAsString] ERROR: "${multiaddrAsHexString}" is not a valid hex input string?`,
-      err
-    );
-    return undefined;
+  } catch {
+    // noop
   }
+
+  console.warn(
+    `[getMultiaddrAsString] ERROR: "${multiaddrAsHexString}" is not a valid hex encoded multiaddr?`
+  );
+  return undefined;
 }

packages/sdk/tests/unit/utils/getMultiaddrAsString.test.ts

@@ -48,4 +48,22 @@ describe('getMultiaddrAsString', () => {
       );
     });
   });
+
+  describe('When giving hex encoded URL', () => {
+    it('should return a human readable URL', () => {
+      // --- GIVEN
+      const multiaddrAsHexString =
+        '0x68747470733a2f2f617277656176652e6e65742f6431426e58434f667430654d387573576467643137327a4c616b7452546d6a6d547032526f582d4762314d';
+
+      // --- WHEN
+      const decodedMultiaddr = getMultiaddrAsString({
+        multiaddrAsHexString,
+      });
+
+      // --- THEN
+      expect(decodedMultiaddr).toEqual(
+        'https://arweave.net/d1BnXCOft0eM8usWdgd172zLaktRTmjmTp2RoX-Gb1M'
+      );
+    });
+  });
 });