donkey-ai 646a33f2f5 feat(v0.4.7): report area 500px, heirs one-per-line, wizard line breaks, ALL-DUST guard
Owner-approved changes after testing v0.4.6, plus accumulated v0.4.x work,
task-tracking notes, and an updated project HANDOFF document.

The four v0.4.7 changes:

1. Report area (BalBuildWillDialog) opens 500px tall (min) up to 700px (max),
   then the scrollbar takes over. Previously it opened ~140px (too short).

2. Heirs are listed ONE per line again (green, bold) in _build_success_report,
   reverting the v0.4.6 single-line form. Heir names can be long and the report
   now scrolls, so compression is no longer needed.

3. Two wizard texts get an explicit line break: after "(or backup)" in the date
   hint and after "miner fees" in the fee note (widgets.py).

4. ALL-DUST guard: when EVERY heir's share is below the Bitcoin dust limit, the
   inheritance would pay nobody. Heirs.prepare_lists now raises
   HeirAmountIsDustException at the end (where all heirs across all locktimes
   are known with their final dust state), and dialogs.task_phase1 shows a clear
   RED message and stops without building/signing/checking. A mix of dust +
   valid heirs keeps building normally. The guard is intentionally in
   prepare_lists, NOT prepare_transactions (which only sees the lowest locktime
   and would false-positive). HeirAmountIsDustException is imported in common.py.

Tests: 3 new tests in test_core_heirs_extra.py pin the dust behaviour (all-dust
raises; mixed continues; multi-locktime continues). Full suite: 258 passed.
ruff: no new errors. Version bumped 0.4.6 -> 0.4.7 (4 files). CHANGELOG #23.

Also adds/updates HANDOFF.md so any future AI (Claude or another model) can
resume the project with full context (rules, layout, build/test/lint, dust
logic, git flow), and records the task-tracking notes in
.agent_memory_tasks.md.
2026-06-28 23:02:25 -04:00

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)

  1. Electrum → Tools → Plugins → install from file → pick the built zip.
  2. Enable Bitcoin After Life and restart Electrum.
  3. (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.

Inheritance safety: anticipate / postpone

A will transaction is signed with a fixed, immutable locktime and then optionally sent to will-executor servers, which are economically incentivised to broadcast it (they collect fees). Because the locktime is baked into the signed transaction, simply changing the delivery time later is not enough: the old, already-signed transaction keeps living on the will-executors.

The plugin handles the two cases as follows (triggered when you press Tools → Prepare):

  • Anticipate (new delivery time earlier than the signed locktime): the will is treated as expired and you are asked to invalidate the old transaction on-chain, then rebuild.
  • Postpone (new delivery time later than the signed locktime) on a will that was already signed and/or pushed: the previously committed coins must be invalidated on-chain first, otherwise a will-executor could broadcast the old (earlier-locktime) transaction and execute the inheritance too early. The plugin detects this by comparing the requested locktime with the locktime frozen inside the signed transaction (tx.locktime), and asks you to sign and broadcast an invalidation transaction. After it is broadcast, press Prepare again to rebuild, re-sign and re-send the new (postponed) inheritance. Postponing a will that was never signed/sent just rebuilds it (no on-chain fee).

Transaction list: the "Server" column

The will transaction list shows a dedicated Server column so you always know whether each inheritance transaction is actually stored on the will-executor servers, independently of the row colour:

Label Meaning
Confirmed on server the will-executor confirmed it stored the transaction
Sent (not checked) pushed to the will-executor, not yet re-checked
Send failed / Not on server push failed or the server no longer has it
Signed (not sent) signed locally, not sent to any will-executor
Not sent not signed/sent yet

Hovering the cell shows a tooltip with the will-executor URL and the current state.

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.

Description
Plugin Bitcoin After Life for Electrum Bitcoin Wallet
Readme 6.9 MiB
Languages
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