web3 0.3.1

Ethereum JSON-RPC client.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89

//! Web3 Error

#![allow(unknown_lints)]
#![allow(missing_docs)]

use std::io;
use serde_json;
use rpc;

error_chain! {
  foreign_links {
    Io(io::Error);
  }
  errors {
    Unreachable {
      description("server is unreachable"),
      display("Server is unreachable"),
    }
    Decoder(e: String) {
      description("decoder error"),
      display("Decoder error: {}", e),
    }
    InvalidResponse(e: String) {
      description("invalid response"),
      display("Got invalid response: {}", e),
    }
    Transport(e: String) {
      description("transport error"),
      display("Transport error: {}", e),
    }
    // TODO [ToDr] Move to foreign_links
    Rpc(e: rpc::Error) {
      description("rpc error"),
      display("RPC error: {:?}", e),
    }
    Internal {
      description("web3 internal error"),
      display("Internal Web3 error"),
    }
  }
}

impl From<serde_json::Error> for Error {
    fn from(err: serde_json::Error) -> Self {
        ErrorKind::Decoder(format!("{:?}", err)).into()
    }
}

impl Clone for Error {
    fn clone(&self) -> Self {
        match *self.kind() {
            ErrorKind::Io(ref io) => ErrorKind::Io(io.kind().clone().into()),
            ErrorKind::Unreachable => ErrorKind::Unreachable,
            ErrorKind::Decoder(ref err) => ErrorKind::Decoder(err.to_owned()),
            ErrorKind::InvalidResponse(ref t) => ErrorKind::InvalidResponse(t.to_owned()),
            ErrorKind::Transport(ref t) => ErrorKind::Transport(t.to_owned()),
            ErrorKind::Rpc(ref e) => ErrorKind::Rpc(e.clone()),
            ErrorKind::Internal => ErrorKind::Internal,
            ErrorKind::Msg(ref e) => ErrorKind::Msg(e.clone()).into(),
            _ => unimplemented!(),
        }.into()
    }
}

#[cfg(test)]
impl PartialEq for Error {
    fn eq(&self, o: &Self) -> bool {
        *self.kind() == *o.kind()
    }
}

#[cfg(test)]
impl PartialEq for ErrorKind {
    fn eq(&self, o: &Self) -> bool {
        use self::ErrorKind::*;

        match (self, o) {
            (&Io(_), &Io(_)) => true,
            (&Unreachable, &Unreachable) => true,
            (&Decoder(ref a), &Decoder(ref b)) => a == b,
            (&InvalidResponse(ref a), &InvalidResponse(ref b)) => a == b,
            (&Transport(ref a), &Transport(ref b)) => a == b,
            (&Rpc(ref a), &Rpc(ref b)) => a == b,
            (&Internal, &Internal) => true,
            (&Msg(ref a), &Msg(ref b)) => a == b,
            _ => false,
        }
    }
}