1use thiserror::Error;
2
3#[derive(Debug, Error)]
4pub enum KernelError {
5 #[error("I/O error: {0}")]
6 Io(#[from] std::io::Error),
7 #[error("JSON error: {0}")]
8 Json(#[from] serde_json::Error),
9 #[error("integrity error at ledger sequence {seq}: {message}")]
10 Integrity { seq: u64, message: String },
11 #[error("invalid input: {0}")]
12 Invalid(String),
13 #[error("trace not found: {0}")]
14 NotFound(String),
15 #[error("decision engine error: {0}")]
16 Engine(String),
17}
18
19pub type Result<T> = std::result::Result<T, KernelError>;