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feat(merge): run per-address consolidation as a paced background job

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"Keep in each address" posted one task that called z_mergetoaddress for
every batch of every address back to back; each call is a whole-wallet
scan under cs_main, and the daemon runs the ops one at a time anyway.
It is now an App-owned services::ConsolidationRun:

- one RPC at a time; the next merge only after the previous batch left the
  queue and a gap as long as the last call took (2-120 s);
- pauses while the node syncs, the wallet is locked, a send of ours is in
  progress, or another wallet scan is running;
- failures classified: nothing that may have queued is ever resent; a
  breaker stops after 3 dead addresses or 3 failed ops in a row;
- each merge is charged to the scan budget; one re-read and one forced
  balance at the end;
- it keeps running when the dialog closes: a status-bar chip, a run view
  with progress, the wait reason and a Stop button.

The "Into one" merge can no longer be confirmed twice while its call is
in flight. fake_dragonxd gains FAKE_SCAN_SECS, FAKE_MERGE_SERIAL and
FAKE_MERGE_FAIL.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
DanS
2026-10-09 11:06:34 -05:00
co-authored by Claude Opus 5.5
parent b29a09eaa0
commit cee8b9d7f6
19 changed files with 1875 additions and 202 deletions
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tools/fake_dragonxd/README.md
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@@ -122,6 +122,9 @@ inherits the GUI's environment.
| `FAKE_STUCK_SHUTDOWN` | 0 | the Sep 29 orphan: hold the datadir lock, no listener, ignore SIGTERM, never exit |
| `FAKE_WALLET_NOTES` | (off) | a note wallet: `addr:count:amount,...` shielded notes; enables `z_mergetoaddress` + its operations (dragonxd rules: confirmed unlocked notes, a batch locked on return, merged note next block) |
| `FAKE_MERGE_SECS` | 6 | how long a `z_mergetoaddress` operation runs before it succeeds |
| `FAKE_MERGE_SERIAL` | 0 | `1` = ops run one at a time, like dragonxd's single async worker: a new op is `queued` until the previous one finishes |
| `FAKE_MERGE_FAIL` | (off) | `syncing:N` (the Nth and later merges fail with the THROW_IF_SYNCING text), `lockedkey:N` (-8 "Could not find spending key…" after the scan), `opfail:N` (the Nth and later ops end `failed`, their notes unlocked) |
| `FAKE_SCAN_SECS` | 0 | the GUI's wallet scans (`z_listunspent`, `listunspent`, `z_gettotalbalance`, `z_listreceivedbyaddress`, `z_mergetoaddress`) hold cs_main this long; `scan-begin`/`scan-end` events |
| `FAKE_TIP_UNKNOWN_SECS` | 0 | `longestchain` reads 0 this long after `Done Loading` (a node that hasn't seen an UpdateTip yet) |
| `FAKE_LONGEST_AHEAD` / `FAKE_CATCHUP_SECS` | 0 / 0 | the network tip (`longestchain`, `headers`) is N blocks ahead, for that long after `Done Loading` (0 = for good) |
| `FAKE_TXCOUNT` | 42 | `getwalletinfo` `txcount` (the GUI's connect gate waits for the tip on wallets of 500+) |