signet-cold-mdbx 0.10.0

MDBX table definitions for signet-cold storage
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

//! Error types for cold MDBX storage.

use signet_hot::ser::DeserError;

/// Errors that can occur in cold MDBX storage operations.
#[derive(Debug, thiserror::Error)]
pub enum MdbxColdError {
    /// A serialization/deserialization error occurred.
    #[error("serialization error: {0}")]
    Ser(#[from] DeserError),

    /// An MDBX error occurred.
    #[error("mdbx error: {0}")]
    Mdbx(#[from] signet_hot_mdbx::MdbxError),

    /// Database is read-only.
    #[error("database is read-only")]
    ReadOnly,

    /// Too many logs matched the filter.
    #[error("too many logs: limit is {0}")]
    TooManyLogs(usize),

    /// An MDBX read exceeded its configured deadline.
    #[error("mdbx read timed out after {0:?}")]
    Timeout(std::time::Duration),
}

impl From<MdbxColdError> for signet_cold::ColdStorageError {
    fn from(error: MdbxColdError) -> Self {
        match error {
            MdbxColdError::TooManyLogs(limit) => Self::TooManyLogs { limit },
            MdbxColdError::Timeout(duration) => Self::DeadlineExceeded(duration),
            other => Self::Backend(Box::new(other)),
        }
    }
}