Add artifact routes

For Cardano Immutable Files Full Snapshot and Mithril Stake Distribution signed entity types.

mithril-aggregator/src/artifact_builder/mithril_stake_distribution.rs

@@ -51,6 +51,23 @@ impl Artifact for MithrilStakeDistribution {
     }
 }
 
+/// Mithril Stake Distribution Summary
+// TODO: This type should probably be listed in the common entities?
+#[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
+pub struct MithrilStakeDistributionSummary {
+    epoch: Epoch,
+    hash: String,
+}
+
+impl From<MithrilStakeDistribution> for MithrilStakeDistributionSummary {
+    fn from(other: MithrilStakeDistribution) -> Self {
+        Self {
+            epoch: other.epoch,
+            hash: other.hash,
+        }
+    }
+}
+
 /// A [MithrilStakeDistributionArtifact] builder
 pub struct MithrilStakeDistributionArtifactBuilder {
     multi_signer: Arc<RwLock<dyn MultiSigner>>,

mithril-aggregator/src/database/provider/signed_entity.rs

@@ -264,6 +264,13 @@ pub trait SignedEntityStorer: Sync + Send {
         &self,
         signed_entity_id: String,
     ) -> StdResult<Option<SignedEntityRecord>>;
+
+    /// Get last signed entities by signed entity type
+    async fn get_last_signed_entities_by_type(
+        &self,
+        signed_entity_type: &SignedEntityType,
+        total: usize,
+    ) -> StdResult<Vec<SignedEntityRecord>>;
 }
 
 /// Service to deal with signed_entity (read & write).
@@ -301,6 +308,21 @@ impl SignedEntityStorer for SignedEntityStoreAdapter {
 
         Ok(signed_entity)
     }
+
+    async fn get_last_signed_entities_by_type(
+        &self,
+        signed_entity_type: &SignedEntityType,
+        total: usize,
+    ) -> StdResult<Vec<SignedEntityRecord>> {
+        let connection = &*self.connection.lock().await;
+        let provider = SignedEntityRecordProvider::new(connection);
+        let cursor = provider
+            .get_by_signed_entity_type(signed_entity_type.to_owned())
+            .map_err(|e| AdapterError::GeneralError(format!("{e}")))?;
+        let signed_entities: Vec<SignedEntityRecord> = cursor.take(total).collect();
+
+        Ok(signed_entities)
+    }
 }
 
 // TODO: this StoreAdapter implementation is temporary and concerns only the snapshots for the CardanoImmutableFilesFull signed entity type

mithril-aggregator/src/http_server/routes/artifact_routes.rs

@@ -0,0 +1,311 @@
+use crate::artifact_builder::{MithrilStakeDistribution, MithrilStakeDistributionSummary};
+use crate::http_server::routes::middlewares;
+use crate::DependencyManager;
+use mithril_common::entities::{Beacon, Epoch, SignedEntityType, Snapshot};
+use std::sync::Arc;
+use warp::Filter;
+
+pub fn routes(
+    dependency_manager: Arc<DependencyManager>,
+) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    artifact_mithril_stake_distributions(dependency_manager.clone())
+        .or(artifact_mithril_stake_distribution_by_id(
+            dependency_manager.clone(),
+        ))
+        .or(artifact_cardano_full_immutable_snapshots(
+            dependency_manager.clone(),
+        ))
+        .or(artifact_cardano_full_immutable_snapshot_by_id(
+            dependency_manager,
+        ))
+}
+
+/// GET /artifact/mithril-stake-distributions
+fn artifact_mithril_stake_distributions(
+    dependency_manager: Arc<DependencyManager>,
+) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    warp::path!("artifact" / "mithril-stake-distributions")
+        .and(warp::get())
+        .and(middlewares::with_signed_entity_storer(dependency_manager))
+        .and(middlewares::with_signed_entity_type(
+            SignedEntityType::MithrilStakeDistribution(Epoch::default()),
+        ))
+        .and_then(handlers::artifacts_by_signed_entity_type::<MithrilStakeDistributionSummary>)
+}
+
+/// GET /artifact/mithril-stake-distribution/:id
+fn artifact_mithril_stake_distribution_by_id(
+    dependency_manager: Arc<DependencyManager>,
+) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    warp::path!("artifact" / "mithril-stake-distribution" / String)
+        .and(warp::get())
+        .and(middlewares::with_signed_entity_storer(dependency_manager))
+        .and_then(handlers::artifact_by_signed_entity_id::<MithrilStakeDistribution>)
+}
+
+/// GET /artifact/snapshots
+fn artifact_cardano_full_immutable_snapshots(
+    dependency_manager: Arc<DependencyManager>,
+) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    warp::path!("artifact" / "snapshots")
+        .and(warp::get())
+        .and(middlewares::with_signed_entity_storer(dependency_manager))
+        .and(middlewares::with_signed_entity_type(
+            SignedEntityType::CardanoImmutableFilesFull(Beacon::default()),
+        ))
+        .and_then(handlers::artifacts_by_signed_entity_type::<Snapshot>)
+}
+
+/// GET /artifact/snapshot/:id
+fn artifact_cardano_full_immutable_snapshot_by_id(
+    dependency_manager: Arc<DependencyManager>,
+) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+    warp::path!("artifact" / "snapshot" / String)
+        .and(warp::get())
+        .and(middlewares::with_signed_entity_storer(dependency_manager))
+        .and_then(handlers::artifact_by_signed_entity_id::<Snapshot>)
+}
+
+mod handlers {
+    use crate::database::provider::SignedEntityStorer;
+    use crate::http_server::routes::reply;
+    use mithril_common::entities::SignedEntityType;
+    use serde::{Deserialize, Serialize};
+    use slog_scope::{debug, warn};
+    use std::convert::Infallible;
+    use std::sync::Arc;
+    use warp::http::StatusCode;
+
+    pub const LIST_MAX_ITEMS: usize = 20;
+
+    /// Artifacts by signed entity type
+    pub async fn artifacts_by_signed_entity_type<T: Serialize + for<'a> Deserialize<'a>>(
+        signed_entity_storer: Arc<dyn SignedEntityStorer>,
+        signed_entity_type: SignedEntityType,
+    ) -> Result<impl warp::Reply, Infallible> {
+        debug!("⇄ HTTP SERVER: artifacts");
+
+        match signed_entity_storer
+            .get_last_signed_entities_by_type(&signed_entity_type, LIST_MAX_ITEMS)
+            .await
+        {
+            Ok(signed_entities) => {
+                let mut artifacts = Vec::new();
+                for signed_entity in signed_entities {
+                    if let Ok(artifact) = serde_json::from_str::<T>(&signed_entity.artifact) {
+                        artifacts.push(artifact)
+                    }
+                }
+                Ok(reply::json(&artifacts, StatusCode::OK))
+            }
+            Err(err) => {
+                warn!("artifacts_by_signed_entity_type"; "signed_entity_type" => ?signed_entity_type, "error" => ?err);
+                Ok(reply::internal_server_error(err.to_string()))
+            }
+        }
+    }
+
+    /// Artifact by signed entity id
+    pub async fn artifact_by_signed_entity_id<T: Serialize + for<'a> Deserialize<'a>>(
+        signed_entity_id: String,
+        signed_entity_storer: Arc<dyn SignedEntityStorer>,
+    ) -> Result<impl warp::Reply, Infallible> {
+        debug!("⇄ HTTP SERVER: artifact/{signed_entity_id}");
+
+        match signed_entity_storer
+            .get_signed_entity(signed_entity_id.clone())
+            .await
+        {
+            Ok(signed_entity) => match signed_entity {
+                Some(signed_entity) => match serde_json::from_str::<T>(&signed_entity.artifact) {
+                    Ok(artifact) => Ok(reply::json(&artifact, StatusCode::OK)),
+                    Err(err) => Ok(reply::internal_server_error(err.to_string())),
+                },
+                None => Ok(reply::empty(StatusCode::NOT_FOUND)),
+            },
+            Err(err) => {
+                warn!("artifact_by_signed_entity_id"; "signed_entity_id" => ?signed_entity_id, "error" => ?err);
+                Ok(reply::internal_server_error(err.to_string()))
+            }
+        }
+    }
+}
+
+/* #[cfg(test)]
+mod tests {
+    use crate::http_server::SERVER_BASE_PATH;
+    use mithril_common::test_utils::apispec::APISpec;
+    use mithril_common::test_utils::fake_data;
+    use serde_json::Value::Null;
+
+    use crate::initialize_dependencies;
+    use warp::http::Method;
+    use warp::test::request;
+
+    use super::*;
+    use crate::snapshot_stores::{MockSnapshotStore, SnapshotStoreError};
+
+    fn setup_router(
+        dependency_manager: Arc<DependencyManager>,
+    ) -> impl Filter<Extract = (impl warp::Reply,), Error = warp::Rejection> + Clone {
+        let cors = warp::cors()
+            .allow_any_origin()
+            .allow_headers(vec!["content-type"])
+            .allow_methods(vec![Method::GET, Method::POST, Method::OPTIONS]);
+
+        warp::any()
+            .and(warp::path(SERVER_BASE_PATH))
+            .and(routes(dependency_manager).with(cors))
+    }
+
+    #[tokio::test]
+    async fn test_snapshots_get_ok() {
+        let fake_snapshots = fake_data::snapshots(5);
+        let mut mock_snapshot_store = MockSnapshotStore::new();
+        mock_snapshot_store
+            .expect_list_snapshots()
+            .return_const(Ok(fake_snapshots))
+            .once();
+        let mut dependency_manager = initialize_dependencies().await;
+        dependency_manager.snapshot_store = Arc::new(mock_snapshot_store);
+
+        let method = Method::GET.as_str();
+        let path = "/snapshots";
+
+        let response = request()
+            .method(method)
+            .path(&format!("/{SERVER_BASE_PATH}{path}"))
+            .reply(&setup_router(Arc::new(dependency_manager)))
+            .await;
+
+        APISpec::verify_conformity(
+            APISpec::get_all_spec_files(),
+            method,
+            path,
+            "application/json",
+            &Null,
+            &response,
+        );
+    }
+
+    #[tokio::test]
+    async fn test_snapshots_get_ko() {
+        let mut mock_snapshot_store = MockSnapshotStore::new();
+        mock_snapshot_store
+            .expect_list_snapshots()
+            .return_const(Err(SnapshotStoreError::Manifest(
+                "an error occurred".to_string(),
+            )))
+            .once();
+        let mut dependency_manager = initialize_dependencies().await;
+        dependency_manager.snapshot_store = Arc::new(mock_snapshot_store);
+
+        let method = Method::GET.as_str();
+        let path = "/snapshots";
+
+        let response = request()
+            .method(method)
+            .path(&format!("/{SERVER_BASE_PATH}{path}"))
+            .reply(&setup_router(Arc::new(dependency_manager)))
+            .await;
+
+        APISpec::verify_conformity(
+            APISpec::get_all_spec_files(),
+            method,
+            path,
+            "application/json",
+            &Null,
+            &response,
+        );
+    }
+
+    #[tokio::test]
+    async fn test_snapshot_digest_get_ok() {
+        let fake_snapshot = fake_data::snapshots(1).first().unwrap().to_owned();
+        let mut mock_snapshot_store = MockSnapshotStore::new();
+        mock_snapshot_store
+            .expect_get_snapshot_details()
+            .return_const(Ok(Some(fake_snapshot)))
+            .once();
+        let mut dependency_manager = initialize_dependencies().await;
+        dependency_manager.snapshot_store = Arc::new(mock_snapshot_store);
+
+        let method = Method::GET.as_str();
+        let path = "/snapshot/{digest}";
+
+        let response = request()
+            .method(method)
+            .path(&format!("/{SERVER_BASE_PATH}{path}"))
+            .reply(&setup_router(Arc::new(dependency_manager)))
+            .await;
+
+        APISpec::verify_conformity(
+            APISpec::get_all_spec_files(),
+            method,
+            path,
+            "application/json",
+            &Null,
+            &response,
+        );
+    }
+
+    #[tokio::test]
+    async fn test_snapshot_digest_get_ok_nosnapshot() {
+        let mut mock_snapshot_store = MockSnapshotStore::new();
+        mock_snapshot_store
+            .expect_get_snapshot_details()
+            .return_const(Ok(None))
+            .once();
+        let mut dependency_manager = initialize_dependencies().await;
+        dependency_manager.snapshot_store = Arc::new(mock_snapshot_store);
+
+        let method = Method::GET.as_str();
+        let path = "/snapshot/{digest}";
+
+        let response = request()
+            .method(method)
+            .path(&format!("/{SERVER_BASE_PATH}{path}"))
+            .reply(&setup_router(Arc::new(dependency_manager)))
+            .await;
+
+        APISpec::verify_conformity(
+            APISpec::get_all_spec_files(),
+            method,
+            path,
+            "application/json",
+            &Null,
+            &response,
+        );
+    }
+
+    #[tokio::test]
+    async fn test_snapshot_digest_get_ko() {
+        let mut mock_snapshot_store = MockSnapshotStore::new();
+        mock_snapshot_store
+            .expect_get_snapshot_details()
+            .return_const(Err(SnapshotStoreError::Manifest(
+                "an error occurred".to_string(),
+            )))
+            .once();
+        let mut dependency_manager = initialize_dependencies().await;
+        dependency_manager.snapshot_store = Arc::new(mock_snapshot_store);
+
+        let method = Method::GET.as_str();
+        let path = "/snapshot/{digest}";
+
+        let response = request()
+            .method(method)
+            .path(&format!("/{SERVER_BASE_PATH}{path}"))
+            .reply(&setup_router(Arc::new(dependency_manager)))
+            .await;
+
+        APISpec::verify_conformity(
+            APISpec::get_all_spec_files(),
+            method,
+            path,
+            "application/json",
+            &Null,
+            &response,
+        );
+    }
+} */