pub fn make_block_reserved_fields(
prev_hash: [u8; 32],
height: u64,
timestamp_ms: u64,
payload_canonical: &[u8],
) -> (Vec<(String, Value)>, [u8; 32])Expand description
Build the reserved-column key/value pairs for a new block. Caller appends
these to the row’s fields AFTER stripping any user-supplied reserved
columns. The returned hash is also returned so callers can advance the
tip without recomputing.