microcosm.blue
Streaming Tree ARchive format
bad-example.com
1use cid::Cid;
2use std::io;
3use thiserror::Error;
4
5#[derive(Debug)]
6pub enum VerificationKind {
7 Node,
8 Record { key: Vec<u8> },
9}
10
11#[derive(Error, Debug)]
12pub enum StarError {
13 #[error("IO error: {0}")]
14 Io(#[from] io::Error),
15 #[error("CBOR error: {0}")]
16 Cbor(String),
17 #[error("CID error: {0}")]
18 Cid(#[from] cid::Error),
19 #[error("Multihash error: {0}")]
20 Multihash(#[from] cid::multihash::Error),
21 #[error("Invalid STAR header")]
22 InvalidHeader,
23 #[error("Unexpected EOF")]
24 UnexpectedEof,
25
26 #[error("Verification failed for {kind:?}: expected {expected}, got {computed}")]
27 VerificationFailed {
28 kind: VerificationKind,
29 expected: Box<Cid>,
30 computed: Box<Cid>,
31 },
32
33 #[error("Invalid state: {0}")]
34 InvalidState(String),
35
36 #[error("Invalid structure: {0}")]
37 InvalidStructure(String),
38
39 #[error("Height mismatch: found {found}, expected {expected}")]
40 HeightMismatch { found: u32, expected: u32 },
41
42 #[error("Trailing data")]
43 TrailingData,
44}
45
46pub type Result<T> = std::result::Result<T, StarError>;