ingest/ledgerbackend: Let filewatcher check for binary hash to detect captive core updates. #4050
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PR Checklist
PR Structure
otherwise).
services/friendbot
, orall
ordoc
if the changes are broad or impact manypackages.
Thoroughness
.md
files, etc... affected by this change). Take a look in the
docs
folder for a given service,like this one.
Release planning
needed with deprecations, added features, breaking changes, and DB schema changes.
semver, or if it's mainly a patch change. The PR is targeted at the next
release branch if it's not a patch change.
What
Let
file_watcher
check for binary hash to detect captive core updates.Why
Horizon watches it's captive stellar-core binary timestamp to detect if a new version has been deployed. However, the binaries are timestamped with the package changelog, which is not dynamically updated during build.
Known limitations
The hash function currently takes < ~30ms to finish. The 10 second duration for
file_watcher
's loop should be sufficient.