acmex 0.8.0

AcmeX: High-performance, extensible ACME v2 (RFC 8555) client and server in Rust, supporting multiple DNS providers, storage backends, and crypto libraries.
Documentation 
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use crate::error::Result;
use crate::storage::StorageBackend;
use async_trait::async_trait;
use std::collections::HashMap;
use std::sync::Arc;
use tokio::sync::RwLock;

/// In-memory storage backend for testing and ephemeral usage
#[derive(Debug, Clone, Default)]
pub struct MemoryStorage {
    data: Arc<RwLock<HashMap<String, Vec<u8>>>>,
}

impl MemoryStorage {
    /// Create a new empty memory storage
    pub fn new() -> Self {
        Self {
            data: Arc::new(RwLock::new(HashMap::new())),
        }
    }
}

#[async_trait]
impl StorageBackend for MemoryStorage {
    async fn store(&self, key: &str, value: &[u8]) -> Result<()> {
        let mut data = self.data.write().await;
        data.insert(key.to_string(), value.to_vec());
        Ok(())
    }

    async fn load(&self, key: &str) -> Result<Option<Vec<u8>>> {
        let data = self.data.read().await;
        Ok(data.get(key).cloned())
    }

    async fn delete(&self, key: &str) -> Result<()> {
        let mut data = self.data.write().await;
        data.remove(key);
        Ok(())
    }

    async fn list(&self, prefix: &str) -> Result<Vec<String>> {
        let data = self.data.read().await;
        Ok(data
            .keys()
            .filter(|k| k.starts_with(prefix))
            .cloned()
            .collect())
    }
}