pub fn validate_header(version_header: Option<&str>) -> Result<(), TrustFailure>Expand description
Validate a protocol-version header without allocating on the trusted path.
This is the entry point for latency-sensitive intermediaries that need only a yes/no trust decision. Owned strings are created solely for rejection diagnostics.
ยงErrors
Returns the precise TrustFailure for missing, malformed, or legacy
revisions.