essential-node-db 0.5.0

The Essential node database
Documentation 
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use thiserror::Error;

/// A database or decoding error returned by a query.
#[derive(Debug, Error)]
pub enum QueryError {
    /// A DB error occurred.
    #[error("a DB error occurred: {0}")]
    Rusqlite(#[from] rusqlite::Error),
    /// Unsupported range used in query range.
    #[error("query range called with an unsupported range")]
    UnsupportedRange,
}