doughnut_rs/
error.rs

1// Copyright 2023-2024 Futureverse Corporation Limited
2
3#![allow(clippy::module_name_repetitions)]
4
5/// Error type for codec failures
6#[derive(PartialEq, Eq, Clone, Debug)]
7pub enum CodecError {
8    /// The doughnut version is unsupported by the current codec
9    UnsupportedVersion,
10    /// Invalid encoded format found while decoding
11    BadEncoding,
12}
13
14/// Error type for validation failures
15#[derive(PartialEq, Eq, Clone, Debug)]
16pub enum ValidationError {
17    /// Public key attempting to use a doughnut does not match the issued holder
18    HolderIdentityMismatched,
19    /// The doughnut has expired against the current timestamp
20    Expired,
21    /// Doughnut use precedes it's 'not before' timestamp, thus it has not matured yet.
22    Premature,
23    /// A type conversion failed during validation e.g overflow
24    Conversion,
25}
26
27/// A signature verification error
28#[derive(PartialEq, Debug)]
29pub enum VerifyError {
30    /// Unsupported signature version
31    UnsupportedVersion,
32    /// Signature format is invalid
33    BadSignatureFormat,
34    /// PublicKey format is invalid
35    BadPublicKeyFormat,
36    /// Message payload format is invalid
37    BadPayloadFormat,
38    /// The signature does not verify the payload from signer
39    Invalid,
40}
41
42/// A signature signing error
43#[derive(PartialEq, Debug)]
44pub enum SigningError {
45    /// Provided public/secret key is invalid ed25519 signing
46    InvalidEd25519Key,
47    /// Provided public key is invalid for sr25519 signing
48    InvalidSr25519PublicKey,
49    /// Provided secret key is invalid for sr25519 signing
50    InvalidSr25519SecretKey,
51    /// Provided secret key is invalid for ECDSA signing
52    InvalidECDSASecretKey,
53    /// Provided payload is invalid
54    InvalidPayload,
55    /// Not supported
56    NotSupported,
57}
doughnut_rs/error.rs

doughnut_rs/
error.rs
