diff --git a/rust-libs/modules/gva/dbs-reader/src/block.rs b/rust-libs/modules/gva/dbs-reader/src/block.rs
new file mode 100644
index 0000000000000000000000000000000000000000..01af7d7d1e2b531a7825d0343999cabf41aaa994
--- /dev/null
+++ b/rust-libs/modules/gva/dbs-reader/src/block.rs
@@ -0,0 +1,52 @@
+// Copyright (C) 2021 Pascal Engélibert
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use crate::*;
+
+impl DbsReader {
+ pub fn block(
+ &self,
+ bc_db: &BcV2DbRo<FileBackend>,
+ number: U32BE,
+ ) -> KvResult<Option<duniter_dbs::BlockMetaV2>> {
+ bc_db.blocks_meta().get(&number)
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use duniter_dbs::databases::bc_v2::BcV2DbWritable;
+ use duniter_gva_db::GvaV1DbWritable;
+
+ #[test]
+ fn test_block() -> KvResult<()> {
+ let bc_db = duniter_dbs::databases::bc_v2::BcV2Db::<Mem>::open(MemConf::default())?;
+ let gva_db = duniter_gva_db::GvaV1Db::<Mem>::open(MemConf::default())?;
+ let bc_db_ro = bc_db.get_ro_handler();
+ let db_reader = create_dbs_reader(unsafe { std::mem::transmute(&gva_db.get_ro_handler()) });
+
+ bc_db
+ .blocks_meta_write()
+ .upsert(U32BE(0), duniter_dbs::BlockMetaV2::default())?;
+
+ assert_eq!(
+ db_reader.block(&bc_db_ro, U32BE(0))?,
+ Some(duniter_dbs::BlockMetaV2::default())
+ );
+
+ Ok(())
+ }
+}
diff --git a/rust-libs/modules/gva/dbs-reader/src/lib.rs b/rust-libs/modules/gva/dbs-reader/src/lib.rs
index c2378e649e92d2e50240ca3c6e9c3b0856c4f55f..3ee4b49259ed2fbfb13a1ffe77b9b22c3337c67a 100644
--- a/rust-libs/modules/gva/dbs-reader/src/lib.rs
+++ b/rust-libs/modules/gva/dbs-reader/src/lib.rs
@@ -22,6 +22,7 @@
unused_import_braces
)]
+pub mod block;
pub mod current_frame;
pub mod find_inputs;
pub mod idty;
diff --git a/rust-libs/modules/gva/gql/src/lib.rs b/rust-libs/modules/gva/gql/src/lib.rs
index ddee2c171146705fab463a14c64ceb77599fd89d..4cb21cc97eb1cdde29bd41dc0f26a8075816d76c 100644
--- a/rust-libs/modules/gva/gql/src/lib.rs
+++ b/rust-libs/modules/gva/gql/src/lib.rs
@@ -93,6 +93,7 @@ mod tests {
pubkey: PublicKey,
page_info: PageInfo<BlockNumber>,
) -> KvResult<PagedData<duniter_gva_dbs_reader::uds_of_pubkey::UdsWithSum>>;
+ fn block(&self, bc_db: &BcV2DbRo<FileBackend>, number: U32BE) -> KvResult<Option<BlockMetaV2>>;
fn find_inputs<BcDb: 'static + BcV2DbReadable, TxsMpDb: 'static + TxsMpV2DbReadable>(
&self,
bc_db: &BcDb,
diff --git a/rust-libs/modules/gva/gql/src/queries.rs b/rust-libs/modules/gva/gql/src/queries.rs
index 3596943aa114f1e3c75b5100b5b7b5b67efe8d0e..f323b30d3e87acf36760412fc96ead1b04163402 100644
--- a/rust-libs/modules/gva/gql/src/queries.rs
+++ b/rust-libs/modules/gva/gql/src/queries.rs
@@ -14,6 +14,7 @@
// along with this program. If not, see <https://www.gnu.org/licenses/>.
pub mod account_balance;
+pub mod block;
pub mod current_block;
pub mod current_frame;
pub mod gen_tx;
@@ -29,6 +30,7 @@ use duniter_dbs::databases::cm_v1::CmV1DbReadable as _;
pub struct QueryRoot(
queries::NodeQuery,
queries::account_balance::AccountBalanceQuery,
+ queries::block::BlockQuery,
queries::current_block::CurrentBlockQuery,
queries::current_frame::CurrentFrameQuery,
queries::gen_tx::GenTxsQuery,
diff --git a/rust-libs/modules/gva/gql/src/queries/block.rs b/rust-libs/modules/gva/gql/src/queries/block.rs
new file mode 100644
index 0000000000000000000000000000000000000000..850aac75568b75d27fe97ec6118351ec22f11d67
--- /dev/null
+++ b/rust-libs/modules/gva/gql/src/queries/block.rs
@@ -0,0 +1,65 @@
+// Copyright (C) 2021 Pascal Engélibert
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use crate::*;
+
+#[derive(Default)]
+pub(crate) struct BlockQuery;
+#[async_graphql::Object]
+impl BlockQuery {
+ /// Get block by number
+ async fn block_by_number(
+ &self,
+ ctx: &async_graphql::Context<'_>,
+ #[graphql(desc = "block number")] number: u32,
+ ) -> async_graphql::Result<Option<BlockMeta>> {
+ let data = ctx.data::<GvaSchemaData>()?;
+ let dbs_reader = data.dbs_reader();
+
+ let block = data
+ .dbs_pool
+ .execute(move |dbs| dbs_reader.block(&dbs.bc_db_ro, U32BE(number)))
+ .await??;
+
+ Ok(block.map(|block| BlockMeta::from(&block)))
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use crate::tests::*;
+
+ #[tokio::test]
+ async fn test_block() -> anyhow::Result<()> {
+ let mut dbs_reader = MockDbsReader::new();
+ dbs_reader
+ .expect_block()
+ .withf(|_, s| s.0 == 0)
+ .times(1)
+ .returning(|_, _| Ok(Some(duniter_dbs::BlockMetaV2::default())));
+ let schema = create_schema(dbs_reader)?;
+ assert_eq!(
+ exec_graphql_request(&schema, r#"{ blockByNumber(number: 0) {number} }"#).await?,
+ serde_json::json!({
+ "data": {
+ "blockByNumber": {
+ "number": duniter_dbs::BlockMetaV2::default().number,
+ }
+ }
+ })
+ );
+ Ok(())
+ }
+}