add beacon chain explorer

beacon-explorer/src/map_blobs.rs

@@ -0,0 +1,15 @@
+use substreams::Hex;
+use crate::pb::beacon::blobs::v1::Blobs;
+use crate::pb::sf::beacon::r#type::v1::{block::Body::*, Block};
+
+#[substreams::handlers::map]
+fn map_blobs(blk: Block) -> Result<Blobs, substreams::errors::Error> {
+
+    Ok(Blobs {
+        slot: blk.slot,
+        blobs: match blk.body {
+            Some(Deneb(body)) => body.embedded_blobs.into_iter().map(|b| Hex::encode(&b.blob)).collect(),
+            _ => vec![],
+        },
+    })
+}