block-db 0.2.0

Local, multi-threaded, durable byte DB.
Documentation 
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// Authors: Robert Lopez

macro_rules! assert_read_is {
    ($block_db:expr, $block_key:expr, $bytes:expr) => {
        async {
            if $block_db
                .read($block_key)
                .await
                .map_err(|err| format!("Failed to read {:?} \n {err:?}", $block_key))?
                .ok_or(format!("Failed to read {:?} \n Got None", $block_key))?
                != $bytes.as_ref()
            {
                Err(format!("Invalid read from {:?}", $block_key))
            } else {
                Ok(())
            }
        }
        .await
        .unwrap()
    };
}

macro_rules! assert_read_is_none {
    ($block_db:expr, $block_key:expr) => {
        async {
            if $block_db
                .read($block_key)
                .await
                .map_err(|err| format!("Failed to read {:?} \n {err:?}", $block_key))?
                .is_some()
            {
                Err(format!("Invalid read from {:?}, expected None", $block_key))
            } else {
                Ok(())
            }
        }
        .await
        .unwrap();
    };
}

pub(crate) use assert_read_is;
pub(crate) use assert_read_is_none;