ingest/ledgerbackend: Add prev ledger hash check to CaptiveStellarCore #3257
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bartekn
changed the title
tamirms
approved these changes
Nov 26, 2020
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PR Checklist
PR Structure
otherwise).
services/friendbot, orallordocif the changes are broad or impact manypackages.
Thoroughness
.mdfiles, etc... affected by this change). Take a look in the
docsfolder 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
Adds an extra check in
GetLedgerchecking if previously read ledger header match the current ledger previous hash.Close #3256.
Why
CaptiveStellarCorereads ledgers in a strict increasing order. It's worth checking if the previous hash is match to ensure we receive ledgers in correct order.