The fiat subline now fetches the CURRENT rate over Tor only while the
balance is actually on screen, and never paints a stale number as if it
were live. No disk cache, no background timer: an idle or payment-
listening wallet never polls (battery).
- price.rs: in-session rate held for a 3-minute freshness window; viewing
a stale/missing rate kicks a live refetch. New RateState (Fresh/Loading/
Unavailable) replaces the Option<f64>; failures are tracked so the line
says "unavailable" instead of spinning or showing an old value. Removed
the disk seed and the persisted-rate write.
- config.rs: dropped the dead last_rate/last_rate_vs/last_rate_at fields
and their read/write paths. Old configs still load (serde ignores the
unknown keys); the fields are simply not written back.
- lib.rs: dropped the cold-start seed_from_disk call.
- GUI: balance hero fiat line renders a subtle "≈ …" while loading and a
localized "rate unavailable" on failure, requesting a bounded repaint
while a fetch is pending so the rate pops in on-screen. Pay/send amount
preview shows nothing until a fresh rate lands.
- New goblin.home.fiat_unavailable string across all six locales.
- Tests: freshness-window bounds, is_fresh boundary, classify state
machine (fresh/loading/unavailable), and config compat for the removed
fields.
2ro
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