global: snapshot

crates/brk_reader/examples/reader_single.rs

@@ -0,0 +1,35 @@
+use brk_error::Result;
+use brk_reader::Reader;
+use brk_rpc::{Auth, Client};
+use brk_types::Height;
+
+fn main() -> Result<()> {
+    let bitcoin_dir = Client::default_bitcoin_path();
+
+    let client = Client::new(
+        Client::default_url(),
+        Auth::CookieFile(bitcoin_dir.join(".cookie")),
+    )?;
+
+    let reader = Reader::new(bitcoin_dir.join("blocks"), &client);
+
+    let heights = [0, 100_000, 158_251, 173_195, 840_000];
+
+    for &h in &heights {
+        let height = Height::new(h);
+        let i = std::time::Instant::now();
+
+        if let Some(block) = reader.read(Some(height), Some(height)).iter().next() {
+            println!(
+                "height={} hash={} txs={} coinbase=\"{}\" ({:?})",
+                block.height(),
+                block.hash(),
+                block.txdata.len(),
+                block.coinbase_tag(),
+                i.elapsed(),
+            );
+        }
+    }
+
+    Ok(())
+}