use thiserror::Error;
#[derive(Error, Debug, Clone)]
pub enum DifficultyError {
#[error("under min allowed window size ({0} < {1})")]
UnderMinWindowSizeAllowed(usize, usize),
#[error("window data has only {0} entries -- this usually happens when the node has just began syncing")]
InsufficientWindowData(usize),
#[error("min window timestamp is equal to the max window timestamp")]
EmptyTimestampRange,
}
pub type DifficultyResult<T> = std::result::Result<T, DifficultyError>;