Update taskprov advertisement encoding for latest draft

crates/dapf/src/acceptance/mod.rs

@@ -381,7 +381,10 @@ impl Test {
             lifetime: 60,
             min_batch_size: reports_per_batch.try_into().unwrap(),
             query: DapBatchMode::LeaderSelected {
-                max_batch_size: NonZeroU32::new(reports_per_batch.try_into().unwrap()),
+                draft09_max_batch_size: match version {
+                    DapVersion::Draft09 => NonZeroU32::new(reports_per_batch.try_into().unwrap()),
+                    DapVersion::Latest => None,
+                },
             },
             vdaf: self.vdaf_config,
             ..Default::default()

crates/dapf/src/cli_parsers.rs

@@ -155,7 +155,7 @@ impl FromStr for CliDapBatchMode {
             Ok(Self(DapBatchMode::TimeInterval))
         } else if let Some(size) = s.strip_prefix("leader-selected") {
             Ok(Self(DapBatchMode::LeaderSelected {
-                max_batch_size: if let Some(size) = size.strip_prefix("-") {
+                draft09_max_batch_size: if let Some(size) = size.strip_prefix("-") {
                     Some(
                         size.parse()
                             .map_err(|e| format!("{s} is an invalid max batch size: {e:?}"))?,

crates/dapf/src/main.rs

@@ -845,7 +845,7 @@ async fn handle_test_routes(action: TestAction, http_client: HttpClient) -> anyh
             let CliDapBatchMode(query) = use_or_request_from_user_or_default(
                 query,
                 || DapBatchMode::LeaderSelected {
-                    max_batch_size: None,
+                    draft09_max_batch_size: None,
                 },
                 "query",
             )?;
@@ -885,7 +885,9 @@ async fn handle_test_routes(action: TestAction, http_client: HttpClient) -> anyh
                 )?,
                 max_batch_size: match query {
                     DapBatchMode::TimeInterval => None,
-                    DapBatchMode::LeaderSelected { max_batch_size } => max_batch_size,
+                    DapBatchMode::LeaderSelected {
+                        draft09_max_batch_size,
+                    } => draft09_max_batch_size,
                 },
                 time_precision: use_or_request_from_user_or_default(
                     time_precision,

crates/daphne-server/src/roles/aggregator.rs

@@ -196,7 +196,7 @@ impl DapAggregator for crate::App {
                         num_agg_span_shards: global_config.default_num_agg_span_shards,
                     })
                 },
-                Some(task_config.task_expiration),
+                Some(task_config.not_after()),
             )
             .await
             .map_err(|e| match &*e {

crates/daphne-server/src/roles/mod.rs

@@ -287,7 +287,9 @@ mod test_utils {
                         err = "command failed: unexpected max batch size"
                     ))
                 }
-                (2, max_batch_size) => DapBatchMode::LeaderSelected { max_batch_size },
+                (2, max_batch_size) => DapBatchMode::LeaderSelected {
+                    draft09_max_batch_size: max_batch_size,
+                },
                 _ => {
                     return Err(fatal_error!(
                         err = "command failed: unrecognized batch mode"

crates/daphne-server/src/router/extractor.rs

@@ -671,17 +671,25 @@ mod test {
             helper_url: daphne::messages::taskprov::UrlBytes {
                 bytes: b"http://helper".into(),
             },
-            query_config: daphne::messages::taskprov::QueryConfig {
-                time_precision: 1,
-                max_batch_query_count: 1,
-                min_batch_size: 1,
-                batch_mode: daphne::messages::taskprov::BatchMode::TimeInterval,
+            time_precision: 1,
+            min_batch_size: 1,
+            query_config: daphne::messages::taskprov::QueryConfig::TimeInterval,
+            lifetime: match version {
+                DapVersion::Draft09 => {
+                    daphne::messages::taskprov::TaskLifetime::Draft09 { expiration: 1 }
+                }
+                DapVersion::Latest => daphne::messages::taskprov::TaskLifetime::Latest {
+                    start: 0,
+                    duration: 1,
+                },
             },
-            task_expiration: 1,
-            vdaf_config: daphne::messages::taskprov::VdafConfig {
-                dp_config: daphne::messages::taskprov::DpConfig::None,
-                var: daphne::messages::taskprov::VdafTypeVar::Prio2 { dimension: 1 },
+            vdaf_config: daphne::messages::taskprov::VdafConfig::Prio2 { dimension: 1 },
+            extensions: Vec::new(),
+            draft09_max_batch_query_count: match version {
+                DapVersion::Draft09 => Some(1),
+                DapVersion::Latest => None,
             },
+            draft09_dp_config: Some(daphne::messages::taskprov::DpConfig::None),
         };
 
         let req = test::<()>(

crates/daphne-server/tests/e2e/e2e.rs

@@ -490,73 +490,6 @@ async fn leader_upload_taskprov() {
     .unwrap();
 }
 
-async fn leader_upload_taskprov_wrong_version(version: DapVersion) {
-    let wrong_version = match version {
-        DapVersion::Draft09 => DapVersion::Latest,
-        DapVersion::Latest => DapVersion::Draft09,
-    };
-    let method = match version {
-        DapVersion::Draft09 => &http::Method::PUT,
-        DapVersion::Latest => &http::Method::POST,
-    };
-    let t = TestRunner::default_with_version(version).await;
-    let client = t.http_client();
-    let hpke_config_list = t.get_hpke_configs(version, client).await.unwrap();
-
-    let (task_config, task_id, taskprov_advertisement) = DapTaskParameters {
-        version,
-        min_batch_size: 10,
-        query: DapBatchMode::TimeInterval,
-        leader_url: t.task_config.leader_url.clone(),
-        helper_url: t.task_config.helper_url.clone(),
-        ..Default::default()
-    }
-    .to_config_with_taskprov(
-        b"cool task".to_vec(),
-        t.now,
-        daphne::roles::aggregator::TaskprovConfig {
-            hpke_collector_config: &t.taskprov_collector_hpke_receiver.config,
-            vdaf_verify_key_init: &t.taskprov_vdaf_verify_key_init,
-        },
-    )
-    .unwrap();
-
-    let report = task_config
-        .vdaf
-        .produce_report_with_extensions(
-            &hpke_config_list,
-            t.now,
-            &task_id,
-            DapMeasurement::U32Vec(vec![1; 10]),
-            match version {
-                DapVersion::Draft09 => None,
-                DapVersion::Latest => Some(vec![]),
-            },
-            vec![Extension::Taskprov],
-            version,
-        )
-        .unwrap();
-    t.leader_request_expect_abort(
-        client,
-        None,
-        &format!("tasks/{}/reports", task_id.to_base64url()),
-        method,
-        DapMediaType::Report,
-        Some(
-            &taskprov_advertisement
-                .serialize_to_header_value(wrong_version)
-                .unwrap(),
-        ),
-        report.get_encoded_with_param(&version).unwrap(),
-        400,
-        "unrecognizedTask",
-    )
-    .await
-    .unwrap();
-}
-
-async_test_versions!(leader_upload_taskprov_wrong_version);
-
 #[tokio::test]
 async fn leader_upload_taksprov_public_errors() {
     let version = DapVersion::Latest;

crates/daphne-server/tests/e2e/test_runner.rs

@@ -68,7 +68,10 @@ impl TestRunner {
         Self::with(
             version,
             &DapBatchMode::LeaderSelected {
-                max_batch_size: Some(NonZeroU32::new(MAX_BATCH_SIZE).unwrap()),
+                draft09_max_batch_size: match version {
+                    DapVersion::Draft09 => NonZeroU32::new(MAX_BATCH_SIZE),
+                    DapVersion::Latest => None,
+                },
             },
         )
         .await
@@ -178,7 +181,9 @@ impl TestRunner {
 
         let (batch_mode, max_batch_size) = match t.task_config.query {
             DapBatchMode::TimeInterval => (1, None),
-            DapBatchMode::LeaderSelected { max_batch_size } => (2, Some(max_batch_size)),
+            DapBatchMode::LeaderSelected {
+                draft09_max_batch_size,
+            } => (2, draft09_max_batch_size),
         };
 
         const MAX_ATTEMPTS: usize = 10;

crates/daphne-worker/src/aggregator/roles/aggregator.rs

@@ -195,7 +195,7 @@ impl DapAggregator for App {
                             num_agg_span_shards: global_config.default_num_agg_span_shards,
                         })
                     },
-                    Some(task_config.task_expiration),
+                    Some(task_config.not_after()),
                 ),
         )
         .await

crates/daphne-worker/src/aggregator/roles/mod.rs

@@ -269,7 +269,9 @@ mod test_utils {
                         err = "command failed: unexpected max batch size"
                     ))
                 }
-                (2, max_batch_size) => DapBatchMode::LeaderSelected { max_batch_size },
+                (2, max_batch_size) => DapBatchMode::LeaderSelected {
+                    draft09_max_batch_size: max_batch_size,
+                },
                 _ => {
                     return Err(fatal_error!(
                         err = "command failed: unrecognized batch mode"

crates/daphne-worker/src/aggregator/router/extractor.rs

@@ -727,17 +727,25 @@ mod test {
             helper_url: daphne::messages::taskprov::UrlBytes {
                 bytes: b"http://helper".into(),
             },
-            query_config: daphne::messages::taskprov::QueryConfig {
-                time_precision: 1,
-                max_batch_query_count: 1,
-                min_batch_size: 1,
-                batch_mode: daphne::messages::taskprov::BatchMode::TimeInterval,
+            time_precision: 1,
+            min_batch_size: 1,
+            query_config: daphne::messages::taskprov::QueryConfig::TimeInterval,
+            lifetime: match version {
+                DapVersion::Draft09 => {
+                    daphne::messages::taskprov::TaskLifetime::Draft09 { expiration: 1 }
+                }
+                DapVersion::Latest => daphne::messages::taskprov::TaskLifetime::Latest {
+                    start: 0,
+                    duration: 1,
+                },
             },
-            task_expiration: 1,
-            vdaf_config: daphne::messages::taskprov::VdafConfig {
-                dp_config: daphne::messages::taskprov::DpConfig::None,
-                var: daphne::messages::taskprov::VdafTypeVar::Prio2 { dimension: 1 },
+            vdaf_config: daphne::messages::taskprov::VdafConfig::Prio2 { dimension: 1 },
+            extensions: Vec::new(),
+            draft09_max_batch_query_count: match version {
+                DapVersion::Draft09 => Some(1),
+                DapVersion::Latest => None,
             },
+            draft09_dp_config: Some(daphne::messages::taskprov::DpConfig::None),
         };
 
         let req = test::<()>(

crates/daphne/src/lib.rs

@@ -227,7 +227,7 @@ impl DapGlobalConfig {
     }
 }
 
-/// DAP Query configuration.
+/// DAP batch configuration.
 #[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
 #[serde(rename_all = "snake_case")]
 #[cfg_attr(any(test, feature = "test-utils"), derive(deepsize::DeepSizeOf))]
@@ -241,7 +241,8 @@ pub enum DapBatchMode {
     /// Aggregators are meant to stop aggregating reports when this limit is reached.
     LeaderSelected {
         #[serde(default)]
-        max_batch_size: Option<NonZeroU32>,
+        #[serde(rename = "max_batch_size")]
+        draft09_max_batch_size: Option<NonZeroU32>,
     },
 }
 
@@ -553,6 +554,9 @@ impl DapTaskParameters {
         now: Time,
         taskprov_config: roles::aggregator::TaskprovConfig<'_>,
     ) -> Result<(DapTaskConfig, TaskId, TaskprovAdvertisement), DapError> {
+        let not_before = now;
+        let not_after = now + 86400 * 14; // expires in two weeks
+
         let taskprov_advertisement = messages::taskprov::TaskprovAdvertisement {
             task_info,
             leader_url: messages::taskprov::UrlBytes {
@@ -561,16 +565,23 @@ impl DapTaskParameters {
             helper_url: messages::taskprov::UrlBytes {
                 bytes: self.helper_url.to_string().into_bytes(),
             },
-            query_config: messages::taskprov::QueryConfig {
-                time_precision: self.time_precision,
-                max_batch_query_count: 1,
-                min_batch_size: self.min_batch_size.try_into().unwrap(),
-                batch_mode: (&self.query).try_into()?,
+            time_precision: self.time_precision,
+            min_batch_size: self.min_batch_size.try_into().unwrap(),
+            query_config: (&self.query).try_into()?,
+            lifetime: messages::taskprov::TaskLifetime::from_validity_range(
+                self.version,
+                not_before,
+                not_after,
+            ),
+            vdaf_config: (&self.vdaf).try_into()?,
+            extensions: Vec::new(),
+            draft09_max_batch_query_count: match self.version {
+                DapVersion::Draft09 => Some(1),
+                DapVersion::Latest => None,
             },
-            task_expiration: now + 86400 * 14, // expires in two weeks
-            vdaf_config: messages::taskprov::VdafConfig {
-                dp_config: messages::taskprov::DpConfig::None,
-                var: (&self.vdaf).try_into()?,
+            draft09_dp_config: match self.version {
+                DapVersion::Draft09 => Some(messages::taskprov::DpConfig::None),
+                DapVersion::Latest => None,
             },
         };
 
@@ -736,7 +747,7 @@ impl DapTaskConfig {
     ) -> Result<bool, DapAbort> {
         match self.query {
             DapBatchMode::LeaderSelected {
-                max_batch_size: Some(max_batch_size),
+                draft09_max_batch_size: Some(max_batch_size),
             } => {
                 if report_count > u64::from(max_batch_size.get()) {
                     return Err(DapAbort::InvalidBatchSize {
@@ -749,7 +760,7 @@ impl DapTaskConfig {
             }
             DapBatchMode::TimeInterval
             | DapBatchMode::LeaderSelected {
-                max_batch_size: None,
+                draft09_max_batch_size: None,
             } => (),
         };