bitcoincore_rpc/
error.rs

1// To the extent possible under law, the author(s) have dedicated all
2// copyright and related and neighboring rights to this software to
3// the public domain worldwide. This software is distributed without
4// any warranty.
5//
6// You should have received a copy of the CC0 Public Domain Dedication
7// along with this software.
8// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
9//
10
11use std::{error, fmt, io};
12
13use crate::bitcoin;
14use crate::bitcoin::hashes::hex;
15use crate::bitcoin::secp256k1;
16use jsonrpc;
17use serde_json;
18
19/// The error type for errors produced in this library.
20#[derive(Debug)]
21pub enum Error {
22    JsonRpc(jsonrpc::error::Error),
23    Hex(hex::HexToBytesError),
24    Json(serde_json::error::Error),
25    BitcoinSerialization(bitcoin::consensus::encode::FromHexError),
26    Secp256k1(secp256k1::Error),
27    Io(io::Error),
28    InvalidAmount(bitcoin::amount::ParseAmountError),
29    InvalidCookieFile,
30    /// The JSON result had an unexpected structure.
31    UnexpectedStructure,
32    /// The daemon returned an error string.
33    ReturnedError(String),
34}
35
36impl From<jsonrpc::error::Error> for Error {
37    fn from(e: jsonrpc::error::Error) -> Error {
38        Error::JsonRpc(e)
39    }
40}
41
42impl From<hex::HexToBytesError> for Error {
43    fn from(e: hex::HexToBytesError) -> Error {
44        Error::Hex(e)
45    }
46}
47
48impl From<serde_json::error::Error> for Error {
49    fn from(e: serde_json::error::Error) -> Error {
50        Error::Json(e)
51    }
52}
53
54impl From<bitcoin::consensus::encode::FromHexError> for Error {
55    fn from(e: bitcoin::consensus::encode::FromHexError) -> Error {
56        Error::BitcoinSerialization(e)
57    }
58}
59
60impl From<secp256k1::Error> for Error {
61    fn from(e: secp256k1::Error) -> Error {
62        Error::Secp256k1(e)
63    }
64}
65
66impl From<io::Error> for Error {
67    fn from(e: io::Error) -> Error {
68        Error::Io(e)
69    }
70}
71
72impl From<bitcoin::amount::ParseAmountError> for Error {
73    fn from(e: bitcoin::amount::ParseAmountError) -> Error {
74        Error::InvalidAmount(e)
75    }
76}
77
78impl fmt::Display for Error {
79    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
80        match *self {
81            Error::JsonRpc(ref e) => write!(f, "JSON-RPC error: {}", e),
82            Error::Hex(ref e) => write!(f, "hex decode error: {}", e),
83            Error::Json(ref e) => write!(f, "JSON error: {}", e),
84            Error::BitcoinSerialization(ref e) => write!(f, "Bitcoin serialization error: {}", e),
85            Error::Secp256k1(ref e) => write!(f, "secp256k1 error: {}", e),
86            Error::Io(ref e) => write!(f, "I/O error: {}", e),
87            Error::InvalidAmount(ref e) => write!(f, "invalid amount: {}", e),
88            Error::InvalidCookieFile => write!(f, "invalid cookie file"),
89            Error::UnexpectedStructure => write!(f, "the JSON result had an unexpected structure"),
90            Error::ReturnedError(ref s) => write!(f, "the daemon returned an error string: {}", s),
91        }
92    }
93}
94
95impl error::Error for Error {
96    fn description(&self) -> &str {
97        "bitcoincore-rpc error"
98    }
99
100    fn cause(&self) -> Option<&dyn error::Error> {
101        match *self {
102            Error::JsonRpc(ref e) => Some(e),
103            Error::Hex(ref e) => Some(e),
104            Error::Json(ref e) => Some(e),
105            Error::BitcoinSerialization(ref e) => Some(e),
106            Error::Secp256k1(ref e) => Some(e),
107            Error::Io(ref e) => Some(e),
108            _ => None,
109        }
110    }
111}
bitcoincore_rpc/error.rs

bitcoincore_rpc/
error.rs
