alloy_ccip_read/
errors.rs

1use alloy::{
2    hex::FromHexError,
3    transports::{RpcError, TransportErrorKind},
4};
5use std::{collections::HashMap, fmt::Display};
6use thiserror::Error;
7
8#[allow(clippy::enum_variant_names)]
9#[derive(Error, Debug)]
10pub enum CCIPRequestError {
11    // gateway supplied error
12    #[error("Gateway error: {0}")]
13    GatewayError(String),
14
15    // when gateway either fails to respond with an expected format
16    #[error("Gateway format error: {0}")]
17    GatewayFormatError(String),
18
19    #[error("HTTP error: {0}")]
20    HTTPError(#[from] reqwest::Error),
21}
22
23#[derive(Debug)]
24pub struct CCIPFetchError(pub(crate) HashMap<String, Vec<String>>);
25
26/// Handle CCIP-Read middlware specific errors.
27#[derive(Error, Debug)]
28pub enum CCIPReaderError {
29    /// Thrown when the internal errors
30    #[error("{0}")]
31    Internal(anyhow::Error),
32
33    #[error("contract call error: {0}")]
34    ContractCall(#[from] alloy::contract::Error),
35
36    #[error("rpc error: {0}")]
37    Rpc(#[from] RpcError<TransportErrorKind>),
38
39    #[error("abi encode or decode error: {0}")]
40    AbiEncodeDecode(#[from] alloy::sol_types::Error),
41
42    #[error("Error(s) during CCIP fetch: {0}")]
43    Fetch(CCIPFetchError),
44
45    #[error("CCIP Read sender did not match {}", sender)]
46    Sender { sender: String },
47
48    #[error("CCIP Read no provided URLs")]
49    GatewayNotFound,
50
51    #[error("CCIP Read exceeded maximum redirections")]
52    MaxRedirection,
53
54    #[error("error decoding from hex: {0}")]
55    HexDecode(#[from] FromHexError),
56
57    #[error("Invalid domain: {0}")]
58    InvalidDomain(String),
59
60    /// Invalid reverse ENS name
61    #[error("Reversed ens name not pointing to itself: {0}")]
62    #[allow(dead_code)]
63    EnsNotOwned(String),
64
65    #[error("Error(s) during parsing avatar url: {0}")]
66    #[allow(dead_code)]
67    URLParse(String),
68
69    #[error("Error(s) during NFT ownership verification: {0}")]
70    #[allow(dead_code)]
71    NFTOwner(String),
72}
73
74impl Display for CCIPFetchError {
75    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
76        let mut errors = f.debug_struct("CCIPFetchError");
77
78        for (url, messages) in self.0.iter() {
79            errors.field(url, messages);
80        }
81
82        errors.finish()
83    }
84}
alloy_ccip_read/errors.rs

alloy_ccip_read/
errors.rs
