pub fn verify_checkpoint_linkage(
current: &VerifiedCheckpoint,
checkpoint: CertifiedCheckpointSummary,
) -> Result<CertifiedCheckpointSummary, CertifiedCheckpointSummary>Expand description
The chain-linkage part of checkpoint verification: checks that
checkpoint directly extends current (matching previous digest and a
valid epoch transition). Does not verify authority signatures; returns the
summary unchanged on success so the caller can finish verification.
§Panics
Panics if checkpoint’s sequence number is not current’s plus one.