fedimint-gateway-server 0.11.1

fedimint-gateway-server sends/receives Lightning Network payments on behalf of Fedimint clients
Documentation 
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use std::sync::LazyLock;

use fedimint_metrics::prometheus::{HistogramVec, register_histogram_vec_with_registry};
use fedimint_metrics::{REGISTRY, histogram_opts};

/// Histogram of HTLC handling durations in seconds
pub static HTLC_HANDLING_DURATION_SECONDS: LazyLock<HistogramVec> = LazyLock::new(|| {
    register_histogram_vec_with_registry!(
        histogram_opts!(
            "gateway_htlc_handling_duration_seconds",
            "Duration of HTLC handling in the gateway",
        ),
        &["outcome"],
        REGISTRY
    )
    .expect("metric registration should not fail")
});

/// Histogram of LNv2 HTLC handling attempt durations in seconds
pub static HTLC_LNV2_ATTEMPT_DURATION_SECONDS: LazyLock<HistogramVec> = LazyLock::new(|| {
    register_histogram_vec_with_registry!(
        histogram_opts!(
            "gateway_htlc_lnv2_attempt_duration_seconds",
            "Duration of LNv2 HTLC handling attempts in the gateway",
        ),
        &["outcome"],
        REGISTRY
    )
    .expect("metric registration should not fail")
});

/// Histogram of LNv1 HTLC handling attempt durations in seconds
pub static HTLC_LNV1_ATTEMPT_DURATION_SECONDS: LazyLock<HistogramVec> = LazyLock::new(|| {
    register_histogram_vec_with_registry!(
        histogram_opts!(
            "gateway_htlc_lnv1_attempt_duration_seconds",
            "Duration of LNv1 HTLC handling attempts in the gateway",
        ),
        &["outcome"],
        REGISTRY
    )
    .expect("metric registration should not fail")
});