fixup! preserve error reported on failure

Signed-off-by: Miroslav Bajtoš <oss@bajtos.net>

lib/miner-info.js

@@ -3,20 +3,26 @@ import { RPC_URL, RPC_AUTH } from './constants.js'
 
 /**
  * @param {string} minerId A miner actor id, e.g. `f0142637`
+ * @param {object} options
+ * @param {number} [options.maxAttempts]
  * @returns {Promise<string>} Miner's PeerId, e.g. `12D3KooWMsPmAA65yHAHgbxgh7CPkEctJHZMeM3rAvoW8CZKxtpG`
  */
-export async function getMinerPeerId (minerId) {
+export async function getMinerPeerId (minerId, { maxAttempts = 5 } = {}) {
   try {
     const res = await retry(() => rpc('Filecoin.StateMinerInfo', minerId, null), {
       // The maximum amount of attempts until failure.
-      maxAttempts: 5,
+      maxAttempts,
       // The initial and minimum amount of milliseconds between attempts.
       minTimeout: 5_000,
       // How much to backoff after each retry.
       multiplier: 1.5
     })
     return res.PeerId
   } catch (err) {
+    if (err.name === 'RetryError' && err.cause) {
+      // eslint-disable-next-line no-ex-assign
+      err = err.cause
+    }
     err.message = `Cannot obtain miner info for ${minerId}: ${err.message}`
     throw err
   }

test/miner-info.test.js

@@ -11,7 +11,7 @@ test('get peer id of a known miner', async () => {
 
 test('get peer id of a miner that does not exist', async () => {
   try {
-    const result = await getMinerPeerId('f010')
+    const result = await getMinerPeerId('f010', { maxAttempts: 1 })
     throw new AssertionError(
       `Expected "getMinerPeerId()" to fail, but it resolved with "${result}" instead.`
     )