erc20_payment_lib 0.1.0

Payment processor for ERC20 tokens
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

use std::error::Error;
use std::fmt::Display;

/// A custom error type for convenient error creation
#[derive(Debug)]
pub struct CustomError {
    message: String,
}

impl CustomError {
    pub fn from_owned_string(message: String) -> CustomError {
        CustomError { message }
    }
}
impl Error for CustomError {}

impl Display for CustomError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "CustomError: {}", self.message)
    }
}

#[derive(Debug)]
pub struct TransactionFailedError {
    message: String,
}

impl TransactionFailedError {
    pub fn new(message: &str) -> TransactionFailedError {
        TransactionFailedError {
            message: message.to_string(),
        }
    }
}
impl Error for TransactionFailedError {}

impl Display for TransactionFailedError {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "TransactionFailedError: {}", self.message)
    }
}