Merge pull request #3812 from dusk-network/gql-block-label

rusk: add `status` to GQL block fields

Author: herr-seppia

node-data/CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add zeroize for secret info [#3687]
+- Add serde derive for Block Label
 
 ### Changed
 

node-data/src/ledger/block.rs

@@ -4,6 +4,8 @@
 //
 // Copyright (c) DUSK NETWORK. All rights reserved.
 
+use serde::Serialize;
+
 use super::*;
 
 pub type Hash = [u8; 32];
@@ -78,7 +80,7 @@ impl Block {
     }
 }
 
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Serialize)]
 pub enum Label {
     Accepted(u64),
     Attested(u64),

rusk/CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add support for `TransactionData::Blob`
 - Add `mempool_nonce` field to `/on/account/status` response
+- Add `status` to GQL block fields
 
 ### Changed
 

rusk/src/lib/http/chain/graphql/data.rs

@@ -6,8 +6,9 @@
 
 use std::ops::Deref;
 
-use async_graphql::{FieldError, FieldResult, Object, SimpleObject};
+use async_graphql::{FieldError, FieldResult, Json, Object, SimpleObject};
 use node::database::{Ledger, LightBlock, DB};
+use node_data::ledger::Label;
 use serde::{Deserialize, Serialize};
 
 /// Pair of (block height, block hash) of the last block and the last finalized
@@ -84,6 +85,23 @@ impl Block {
         Header(&self.header)
     }
 
+    pub async fn status(
+        &self,
+        ctx: &async_graphql::Context<'_>,
+    ) -> FieldResult<Json<Label>> {
+        let db = ctx.data::<super::DBContext>()?.0.read().await;
+
+        Ok(async_graphql::Json(db.view(|t| {
+            t.block_label_by_height(self.header.height)
+                .map_err(|e| FieldError::new(e.to_string()))
+                .and_then(|label| {
+                    label
+                        .map(|(_, label)| label)
+                        .ok_or_else(|| FieldError::new("Label not found"))
+                })
+        })?))
+    }
+
     pub async fn transactions(
         &self,
         ctx: &async_graphql::Context<'_>,