1use alloc::string::String;
5use core::fmt;
6
7#[derive(Debug)]
8pub enum Error {
9 Fmt(fmt::Error),
10 Bech32Decode(bech32::DecodeError),
11 Bech32Encode(bech32::EncodeError),
12 #[cfg(feature = "api")]
13 Reqwest(reqwest::Error),
14 InvalidLnUrl,
15 InvalidLightningAddress,
16 UnknownTag,
17 AmountTooLow {
18 msats: u64,
19 min: u64,
20 },
21 AmountTooHigh {
22 msats: u64,
23 max: u64,
24 },
25 CantGetInvoice(Option<String>),
26}
27
28#[cfg(feature = "std")]
29impl std::error::Error for Error {}
30
31impl fmt::Display for Error {
32 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
33 match self {
34 Self::Fmt(e) => write!(f, "{e}"),
35 Self::Bech32Decode(e) => write!(f, "{e}"),
36 Self::Bech32Encode(e) => write!(f, "{e}"),
37 #[cfg(feature = "api")]
38 Self::Reqwest(e) => write!(f, "Reqwest: {e}"),
39 Self::InvalidLnUrl => write!(f, "Invalid LNURL"),
40 Self::InvalidLightningAddress => write!(f, "Invalid Lightning Address"),
41 Self::UnknownTag => write!(f, "Unknown tag"),
42 Self::AmountTooLow { msats, min } => {
43 write!(f, "Amount too low: {msats} msats (min. {min} msats)")
44 }
45 Self::AmountTooHigh { msats, max } => {
46 write!(f, "Amount too high: {msats} msats (max. {max} msats)")
47 }
48 Self::CantGetInvoice(e) => write!(
49 f,
50 "Can't get invoice: {}",
51 e.as_deref().unwrap_or("unknown")
52 ),
53 }
54 }
55}
56
57impl From<fmt::Error> for Error {
58 fn from(e: fmt::Error) -> Self {
59 Self::Fmt(e)
60 }
61}
62
63impl From<bech32::DecodeError> for Error {
64 fn from(e: bech32::DecodeError) -> Self {
65 Self::Bech32Decode(e)
66 }
67}
68
69impl From<bech32::EncodeError> for Error {
70 fn from(e: bech32::EncodeError) -> Self {
71 Self::Bech32Encode(e)
72 }
73}
74
75#[cfg(feature = "api")]
76impl From<reqwest::Error> for Error {
77 fn from(e: reqwest::Error) -> Self {
78 Self::Reqwest(e)
79 }
80}