fbe94506f8
The Building Will wizard (BalBuildWillDialog.loop_push) still broadcast the will to will-executors sequentially -- a for-loop calling push_transactions_to_willexecutor one server at a time. This is the slow "Broadcasting your will to executors: Trasmissione" step the user saw: a slow/dead server blocked the whole wizard, just like the non-wizard path did before it was parallelized. Rewrite loop_push to use Willexecutors.push_transactions_parallel (the same helper already used by window.push_transactions_to_willexecutors): - Pre-filter to the user-selected will-executors only. - Push to all selected servers concurrently (ThreadPoolExecutor); each server keeps its own retry behaviour, but a slow/dead server no longer blocks the others. Total time ~= slowest server, not the sum. - on_each callback does thread-safe book-keeping + UI update via msg_edit_row (which emits a pyqtSignal marshalled to the GUI thread). - 'already present' servers are collected and their stored tx verified sequentially afterwards (original check_transaction logic preserved). - Preserve the retry flag and the _stopping cancellation checks. tests/parallel_ping_test.py: add a static check asserting loop_push uses push_transactions_parallel and no longer contains the sequential push loop. Tests: 182 official + smoke/overflow/gui_fixes/parallel/external_zip all pass. ruff: no new issues; new code is PEP8-compliant.
BAL — Bitcoin After Life (Electrum plugin)
Free and decentralized Bitcoin inheritance support for the Electrum wallet. Build time-locked "will" transactions that transfer your funds to your heirs if you stop refreshing them (dead-man's switch), optionally relayed by will-executor servers.
This repository contains a behavior-preserving refactor of the original plugin. The logic was kept byte-identical wherever possible; only the file layout was reorganized to cleanly separate business logic from the PyQt GUI.
Repository layout
bal/ the installable Electrum plugin package
├── manifest.json plugin metadata (Electrum reads this)
├── qt.py Qt entry-point shim (re-exports Plugin)
├── core/ GUI-free logic (importable without Qt)
│ ├── util.py
│ ├── plugin_base.py
│ ├── heirs.py
│ ├── will.py
│ └── willexecutors.py
├── gui/qt/ PyQt6 presentation layer
│ ├── theme.py status → color mapping
│ ├── common.py shared imports / helpers
│ ├── widgets.py leaf widgets
│ ├── calendar.py calendar widget
│ ├── dialogs.py dialog windows
│ ├── lists.py tree/list views
│ ├── window.py per-wallet GUI controller
│ └── plugin.py Plugin (Electrum @hooks → GUI)
├── icons/ wallet_util/ LICENSE VERSION README.md
build_zip.py builds a clean, zipimport-friendly distribution zip
tests/ smoke + external-zip regression tests
Requirements
- Electrum 4.7.2 — the last stable release exposing
json_db.register_dict, which this plugin relies on. Newer versions removed it. - PyQt6 (bundled with the Electrum desktop GUI).
Installation
Build the distribution archive
python3 build_zip.py
# -> bal-electrum-plugin.zip (prints size + SHA-256 for integrity checks)
The builder writes a zipimport-friendly archive (files only, standard
DEFLATE, deterministic order) to avoid loader errors seen on some Electrum
portable builds.
Install as an external plugin (zip)
- Electrum → Tools → Plugins → install from file → pick the built zip.
- Enable Bitcoin After Life and restart Electrum.
- (Recommended) verify the downloaded zip's SHA-256 matches the value printed
by
build_zip.py.
Install as an internal plugin
Copy the bal/ directory into your Electrum installation's
electrum/plugins/ directory, so that electrum/plugins/bal/manifest.json
exists, then enable it from Tools → Plugins.
Testing
# imports + behavior
QT_QPA_PLATFORM=offscreen PYTHONPATH=<electrum-src> \
python3 tests/smoke_test.py electrum.plugins.bal
# external-zip loading regression
QT_QPA_PLATFORM=offscreen PYTHONPATH=<electrum-src> \
python3 tests/external_zip_test.py bal-electrum-plugin.zip
⚠️ Safety
This plugin builds real Bitcoin inheritance transactions with time-locks. Test on testnet or a fund-less wallet first, and review the generated transactions before broadcasting.
License
MIT — see bal/LICENSE.