use thiserror::Error;
#[derive(Debug, Error)]
pub enum TopoError {
#[error("storage error: {0}")]
Storage(#[from] redb::Error),
#[error("encoding error: {0}")]
Encoding(String),
#[error("batch rejected: {0}")]
Rejected(String),
#[error("op log compacted; oldest retained seq is {oldest}")]
Compacted { oldest: u64 },
#[error("database closed")]
Closed,
}