cdk-mintd 0.18.0-rc.2

CDK mint binary
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

//! Payment backend common environment variables

use std::env;

use crate::config::PaymentBackend;

// Payment backend environment variables
pub const ENV_PAYMENT_BACKEND: &str = "CDK_MINTD_PAYMENT_BACKEND";
pub const ENV_PAYMENT_BACKEND_INVOICE_DESCRIPTION: &str =
    "CDK_MINTD_PAYMENT_BACKEND_INVOICE_DESCRIPTION";
pub const ENV_PAYMENT_BACKEND_MIN_MINT: &str = "CDK_MINTD_PAYMENT_BACKEND_MIN_MINT";
pub const ENV_PAYMENT_BACKEND_MAX_MINT: &str = "CDK_MINTD_PAYMENT_BACKEND_MAX_MINT";
pub const ENV_PAYMENT_BACKEND_MIN_MELT: &str = "CDK_MINTD_PAYMENT_BACKEND_MIN_MELT";
pub const ENV_PAYMENT_BACKEND_MAX_MELT: &str = "CDK_MINTD_PAYMENT_BACKEND_MAX_MELT";

impl PaymentBackend {
    pub fn from_env(mut self) -> Self {
        // PaymentBackendType
        if let Ok(backend_str) = env::var(ENV_PAYMENT_BACKEND) {
            if let Ok(backend) = backend_str.parse() {
                self.backend = backend;
            } else {
                tracing::warn!("Unknown payment backend set in env var will attempt to use config file. {backend_str}");
            }
        }

        // Optional invoice description
        if let Ok(description) = env::var(ENV_PAYMENT_BACKEND_INVOICE_DESCRIPTION) {
            self.invoice_description = Some(description);
        }

        // Amount fields
        if let Ok(min_mint_str) = env::var(ENV_PAYMENT_BACKEND_MIN_MINT) {
            if let Ok(amount) = min_mint_str.parse::<u64>() {
                self.min_mint = amount.into();
            }
        }

        if let Ok(max_mint_str) = env::var(ENV_PAYMENT_BACKEND_MAX_MINT) {
            if let Ok(amount) = max_mint_str.parse::<u64>() {
                self.max_mint = amount.into();
            }
        }

        if let Ok(min_melt_str) = env::var(ENV_PAYMENT_BACKEND_MIN_MELT) {
            if let Ok(amount) = min_melt_str.parse::<u64>() {
                self.min_melt = amount.into();
            }
        }

        if let Ok(max_melt_str) = env::var(ENV_PAYMENT_BACKEND_MAX_MELT) {
            if let Ok(amount) = max_melt_str.parse::<u64>() {
                self.max_melt = amount.into();
            }
        }

        self
    }
}