Files
bitvid/js/payments
thePR0M3TH3ANandClaude Opus 4.8 df99bdb65f fix(zap): collapse split when creator == platform; close #3 audit
Finishes the remaining #3 zap audit items.

- zapSplit: when the platform fee would pay the SAME Lightning address as the
  creator (e.g. the creator is the platform operator), collapse to a single
  full-amount payment instead of sending two invoices to one wallet — avoids an
  extra routing fee and a confusing duplicate receipt for the same total.
- Audited split correctness: floor(amount*fee/100) with the creator taking the
  remainder loses no sats; a sub-1-sat fee rounds to 0 and the whole zap goes to
  the creator (no zero-amount platform send); fee is clamped 0–100 and a junk
  override falls back to the default. The earlier "fee landed in my own wallet"
  report is expected behavior (sender is the platform operator, or a self-zap),
  not a bug.
- Cheat-resistant tests: testCreatorEqualsPlatformCollapsesToOnePayment and
  testSplitRoundingPreservesEverySat in tests/zap-split.test.mjs.
- Receipt validation (9735) and NWC budget/retry UX confirmed already solid;
  audit plan + TODO #3 closed.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-25 08:56:00 -04:00
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