Add block route

Author: rustaceanrob

README.md

@@ -14,6 +14,8 @@ This is a client implementation for a subset of the [`block-dn`](https://github.
 
 `sp/tweak-data/<start_block>`: Returns up to 2_000 blocks of BIP-352 partial secrets.
 
+`block/<block_hash>`: Fetch a block by its hash.
+
 # Getting Started
 
 Download all filters from height 700_000 up to the current height.

src/lib.rs

@@ -3,7 +3,7 @@
 use core::time::Duration;
 use std::{borrow::Cow, io::Cursor, net::SocketAddr};
 
-use bitcoin::{bip158::BlockFilter, block::Header, consensus::Decodable};
+use bitcoin::{Block, BlockHash, bip158::BlockFilter, block::Header, consensus::Decodable};
 use models::{Html, ServerStatus, TapTweaks};
 
 /// Errors that may occur when querying.
@@ -152,6 +152,16 @@ impl<'e> Client<'e> {
             .send()?;
         Ok(response.json::<TapTweaks>()?)
     }
+
+    /// Fetch the block by its hash.
+    pub fn block(&self, block_hash: BlockHash) -> Result<Block, Error> {
+        let route = self.endpoint.append_route(format!("block/{block_hash}"));
+        let response = bitreq::get(route)
+            .with_timeout(self.timeout.as_secs())
+            .send()?;
+        let block = bitcoin::consensus::deserialize::<Block>(response.as_bytes())?;
+        Ok(block)
+    }
 }
 
 #[cfg(test)]

tests/client.rs

@@ -38,3 +38,17 @@ fn test_tap_tweaks() {
     assert!(!tweaks.blocks.is_empty());
     let _ = tweaks.fallible_into_iterator();
 }
+
+#[test]
+fn test_block() {
+    let client = default_client();
+    assert!(
+        client
+            .block(
+                "0000000000000000000320283a032748cef8227873ff4872689bf23f1cda83a5"
+                    .parse()
+                    .unwrap()
+            )
+            .is_ok()
+    )
+}