Implement Ledger support

[nesitor]

Problem: Ledger wallet users cannot use Aleph to send transactions.

Solution: Implement Ledger use on CLI to allow using them. Do it importing a specific branch of the SDK.

Self proofreading checklist

• The new code clear, easy to read and well commented.
• New code does not duplicate the functions of builtin or popular libraries.
• An LLM was used to review the new code and look for simplifications.
• New classes and functions contain docstrings explaining what they provide.
• All new code is covered by relevant tests.

[codecov]

Codecov Report

❌ Patch coverage is 75.47170% with 39 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.56%. Comparing base (e64d162) to head (def2144).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/aleph_client/commands/account.py	77.38%	11 Missing and 8 partials ⚠️
src/aleph_client/utils.py	55.55%	9 Missing and 3 partials ⚠️
src/aleph_client/commands/domain.py	33.33%	4 Missing ⚠️
src/aleph_client/commands/files.py	66.66%	2 Missing ⚠️
src/aleph_client/commands/message.py	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #402      +/-   ##
==========================================
+ Coverage   61.07%   61.56%   +0.49%     
==========================================
  Files          20       20              
  Lines        3712     3791      +79     
  Branches      533      550      +17     
==========================================
+ Hits         2267     2334      +67     
- Misses       1168     1181      +13     
+ Partials      277      276       -1     

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[github-actions]

Failed to retrieve llama text: POST 500: {"error": "500: Unhandled error during initialisation"}

[odesenfans]

@1yam how do you use this? I tried aleph account config --account-type external with a Ledger Nano S plugged in via USB but I get the following error:

$ aleph account config --account-type external
No config file found.
Loading External keys. Do you want to import from Ledger? [y/n] (y): y
╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Traceback (most recent call last) ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ /home/olivier/git/aleph/aleph-client/src/aleph_client/utils.py:94 in runner                                                                                                                                                                                                                             │
│                                                                                                                                                                                                                                                                                                         │
│    91 │   │   │                                                                                ╭──────────────────────────────────────────────────────── locals ─────────────────────────────────────────────────────────╮                                                                              │
│    92 │   │   │   @wraps(f)                                                                    │   args = ()                                                                                                             │                                                                              │
│    93 │   │   │   def runner(*args, **kwargs):                                                 │ kwargs = {'private_key_file': None, 'chain': None, 'address': None, 'account_type': <AccountType.EXTERNAL: 'external'>} │                                                                              │
│ ❱  94 │   │   │   │   return asyncio.run(f(*args, **kwargs))                                   ╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯                                                                              │
│    95 │   │   │                                                                                                                                                                                                                                                                                         │
│    96 │   │   │   decorator(runner)                                                                                                                                                                                                                                                                     │
│    97 │   │   else:                                                                                                                                                                                                                                                                                     │
│                                                                                                                                                                                                                                                                                                         │
│ /usr/lib/python3.13/asyncio/runners.py:195 in run                                                                                                                                                                                                                                                       │
│                                                                                                                                                                                                                                                                                                         │
│   192 │   │   │   "asyncio.run() cannot be called from a running event loop")                  ╭───────────────────────────── locals ─────────────────────────────╮                                                                                                                                     │
│   193 │                                                                                        │        debug = None                                              │                                                                                                                                     │
│   194 │   with Runner(debug=debug, loop_factory=loop_factory) as runner:                       │ loop_factory = None                                              │                                                                                                                                     │
│ ❱ 195 │   │   return runner.run(main)                                                          │         main = <coroutine object configure at 0x74340e754b40>    │                                                                                                                                     │
│   196                                                                                          │       runner = <asyncio.runners.Runner object at 0x74340ebefe00> │                                                                                                                                     │
│   197                                                                                          ╰──────────────────────────────────────────────────────────────────╯                                                                                                                                     │
│   198 def _cancel_all_tasks(loop):                                                                                                                                                                                                                                                                      │
│                                                                                                                                                                                                                                                                                                         │
│ /usr/lib/python3.13/asyncio/runners.py:118 in run                                                                                                                                                                                                                                                       │
│                                                                                                                                                                                                                                                                                                         │
│   115 │   │                                                                                                                                                                                                                                                                                             │
│   116 │   │   self._interrupt_count = 0                                                                                                                                                                                                                                                                 │
│   117 │   │   try:                                                                                                                                                                                                                                                                                      │
│ ❱ 118 │   │   │   return self._loop.run_until_complete(task)                                                                                                                                                                                                                                            │
│   119 │   │   except exceptions.CancelledError:                                                                                                                                                                                                                                                         │
│   120 │   │   │   if self._interrupt_count > 0:                                                                                                                                                                                                                                                         │
│   121 │   │   │   │   uncancel = getattr(task, "uncancel", None)                                                                                                                                                                                                                                        │
│                                                                                                                                                                                                                                                                                                         │
│ ╭────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── locals ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮ │
│ │        context = <_contextvars.Context object at 0x74340e391d80>                                                                                                                                                                                                                                    │ │
│ │           coro = <coroutine object configure at 0x74340e754b40>                                                                                                                                                                                                                                     │ │
│ │           self = <asyncio.runners.Runner object at 0x74340ebefe00>                                                                                                                                                                                                                                  │ │
│ │ sigint_handler = functools.partial(<bound method Runner._on_sigint of <asyncio.runners.Runner object at 0x74340ebefe00>>, main_task=<Task finished name='Task-1' coro=<configure() done, defined at /home/olivier/git/aleph/aleph-client/src/aleph_client/commands/account.py:533>                  │ │
│ │                  exception=OSError('open failed')>)                                                                                                                                                                                                                                                 │ │
│ │           task = <Task finished name='Task-1' coro=<configure() done, defined at /home/olivier/git/aleph/aleph-client/src/aleph_client/commands/account.py:533> exception=OSError('open failed')>                                                                                                   │ │
│ ╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯ │
│                                                                                                                                                                                                                                                                                                         │
│ /usr/lib/python3.13/asyncio/base_events.py:719 in run_until_complete                                                                                                                                                                                                                                    │
│                                                                                                                                                                                                                                                                                                         │
│    716 │   │   if not future.done():                                                            ╭────────────────────────────────────────────────────────────────────────────────────────── locals ───────────────────────────────────────────────────────────────────────────────────────────╮         │
│    717 │   │   │   raise RuntimeError('Event loop stopped before Future completed.')            │   future = <Task finished name='Task-1' coro=<configure() done, defined at /home/olivier/git/aleph/aleph-client/src/aleph_client/commands/account.py:533> exception=OSError('open failed')> │         │
│    718 │   │                                                                                    │ new_task = False                                                                                                                                                                            │         │
│ ❱  719 │   │   return future.result()                                                           │     self = <_UnixSelectorEventLoop running=False closed=True debug=False>                                                                                                                   │         │
│    720 │                                                                                        ╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯         │
│    721 │   def stop(self):                                                                                                                                                                                                                                                                              │
│    722 │   │   """Stop running the event loop.                                                                                                                                                                                                                                                          │
│                                                                                                                                                                                                                                                                                                         │
│ /home/olivier/git/aleph/aleph-client/src/aleph_client/commands/account.py:592 in configure                                                                                                                                                                                                              │
│                                                                                                                                                                                                                                                                                                         │
│   589 │   │   │   "[bright_cyan]Loading External keys.[/bright_cyan] [yellow]Do you want to im ╭────────────────────────────────────────────────────────────────────── locals ──────────────────────────────────────────────────────────────────────╮                                                   │
│   590 │   │   │   default="y",                                                                 │     account_type = <AccountType.EXTERNAL: 'external'>                                                                                              │                                                   │
│   591 │   │   ):                                                                               │          address = None                                                                                                                            │                                                   │
│ ❱ 592 │   │   │   accounts = LedgerETHAccount.get_accounts()                                   │            chain = None                                                                                                                            │                                                   │
│   593 │   │   │   account_addresses = [acc.address for acc in accounts]                        │           config = None                                                                                                                            │                                                   │
│   594 │   │   │                                                                                │ private_key_file = None                                                                                                                            │                                                   │
│   595 │   │   │   console.print("[bold cyan]Available addresses on Ledger:[/bold cyan]")       │    unlinked_keys = [PosixPath('/home/olivier/.aleph-im/private-keys/ethereum.key'), PosixPath('/home/olivier/.aleph-im/private-keys/default.key')] │                                                   │
│                                                                                                ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯                                                   │
│                                                                                                                                                                                                                                                                                                         │
│ /home/olivier/git/aleph/aleph-client/venv/lib/python3.13/site-packages/aleph/sdk/wallets/ledger/ethereum.py:46 in get_accounts                                                                                                                                                                          │
│                                                                                                                                                                                                                                                                                                         │
│    43 │   │   """Initialize an aleph.im account from a LedgerHQ device from                    ╭─── locals ────╮                                                                                                                                                                                        │
│    44 │   │   a known wallet address.                                                          │  count = 5    │                                                                                                                                                                                        │
│    45 │   │   """                                                                              │ device = None │                                                                                                                                                                                        │
│ ❱  46 │   │   device = device or init_dongle()                                                 ╰───────────────╯                                                                                                                                                                                        │
│    47 │   │   accounts: List[LedgerAccount] = get_accounts(dongle=device, count=count)                                                                                                                                                                                                                  │
│    48 │   │   return accounts                                                                                                                                                                                                                                                                           │
│    49                                                                                                                                                                                                                                                                                                   │
│                                                                                                                                                                                                                                                                                                         │
│ /home/olivier/git/aleph/aleph-client/venv/lib/python3.13/site-packages/ledgereth/comms.py:179 in init_dongle                                                                                                                                                                                            │
│                                                                                                                                                                                                                                                                                                         │
│   176 │   # If not given, use cache if available                                               ╭──── locals ────╮                                                                                                                                                                                       │
│   177 │   if dongle is None and DONGLE_CACHE is None:                                          │  debug = False │                                                                                                                                                                                       │
│   178 │   │   try:                                                                             │ dongle = None  │                                                                                                                                                                                       │
│ ❱ 179 │   │   │   DONGLE_CACHE = getDongle(debug)  # type: ignore                              ╰────────────────╯                                                                                                                                                                                       │
│   180 │   │   except CommException as err:                                                                                                                                                                                                                                                              │
│   181 │   │   │   raise LedgerError.transalate_comm_exception(err) from err                                                                                                                                                                                                                             │
│   182                                                                                                                                                                                                                                                                                                   │
│                                                                                                                                                                                                                                                                                                         │
│ /home/olivier/git/aleph/aleph-client/venv/lib/python3.13/site-packages/ledgerblue/comm.py:361 in getDongle                                                                                                                                                                                              │
│                                                                                                                                                                                                                                                                                                         │
│   358 │   │   │   │   hidDevicePath = hidDevice['path']                                                                                                                                                                                                                                                 │
│   359 │   if hidDevicePath is not None:                                                                                                                                                                                                                                                                 │
│   360 │   │   dev = hid.device()                                                                                                                                                                                                                                                                        │
│ ❱ 361 │   │   dev.open_path(hidDevicePath)                                                                                                                                                                                                                                                              │
│   362 │   │   dev.set_nonblocking(True)                                                                                                                                                                                                                                                                 │
│   363 │   │   return HIDDongleHIDAPI(dev, ledger, debug)                                                                                                                                                                                                                                                │
│   364 │   if PCSC:                                                                                                                                                                                                                                                                                      │
│                                                                                                                                                                                                                                                                                                         │
│ ╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────── locals ────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮                                                               │
│ │         debug = False                                                                                                                                                                                                                 │                                                               │
│ │           dev = <hid.device object at 0x74340fbb5000>                                                                                                                                                                                 │                                                               │
│ │     hidDevice = {'path': b'1-10:1.1', 'vendor_id': 6940, 'product_id': 6985, 'serial_number': '', 'release_number': 804, 'manufacturer_string': '', 'product_string': '', 'usage_page': 0, 'usage': 0, 'interface_number': 1, ... +1} │                                                               │
│ │ hidDevicePath = b'1-2.2.1:1.0'                                                                                                                                                                                                        │                                                               │
│ │        ledger = True                                                                                                                                                                                                                  │                                                               │
│ │ selectCommand = None                                                                                                                                                                                                                  │                                                               │
│ ╰───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯                                                               │
│                                                                                                                                                                                                                                                                                                         │
│ in hid.device.open_path:158                                                                                                                                                                                                                                                                             │
╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
OSError: open failed