blockchain-cli 1.1.2

An interface for interacting with a blockchain.
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

use chrono::Utc;
use serde::{Deserialize, Serialize};
use uuid::Uuid;

use crate::Chain;

/// Exchange of assets between two parties.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct Transaction {
    /// Identifier of the transaction.
    pub id: Uuid,

    /// Transaction hash.
    pub hash: String,

    /// Transaction sender wallet address.
    pub from: String,

    /// Transaction receiver wallet address.
    pub to: String,

    /// Transaction fee.
    pub fee: f64,

    /// Transaction amount.
    pub amount: f64,

    /// Transaction timestamp.
    pub timestamp: i64,
}

impl Transaction {
    /// Create a new transaction.
    ///
    /// # Arguments
    ///
    /// - `from`: The transaction sender address.
    /// - `to`: The transaction receiver address.
    /// - `fee`: The transaction fee.
    /// - `amount`: The transaction amount.
    ///
    /// # Returns
    ///
    /// A new transaction with the given hash, sender, receiver, fee, amount, and timestamp.
    pub fn new(from: String, to: String, fee: f64, amount: f64) -> Self {
        let timestamp = Utc::now().timestamp();

        // Create a hash of the transaction
        let hash = Chain::hash(&(&from, &to, amount, timestamp));

        // Create a new transaction
        Transaction {
            id: Uuid::new_v4(),
            hash,
            from,
            to,
            fee,
            amount,
            timestamp,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_new_transaction() {
        let from = "0x 1234".to_string();
        let to = "0x 5678".to_string();
        let fee = 0.1;
        let amount = 100.0;
        let transaction = Transaction::new(from.to_owned(), to.to_owned(), fee, amount);

        assert_eq!(transaction.from, from);
        assert_eq!(transaction.to, to);
        assert_eq!(transaction.fee, fee);
        assert_eq!(transaction.amount, amount);
    }
}