rpc: init wrapper crate + global: snapshot

crates/brk_reader/examples/reader.rs

@@ -0,0 +1,47 @@
+use std::path::Path;
+
+use bitcoincore_rpc::{Auth, Client};
+use brk_error::Result;
+use brk_reader::Reader;
+
+#[allow(clippy::needless_doctest_main)]
+fn main() -> Result<()> {
+    let i = std::time::Instant::now();
+
+    let bitcoin_dir = Path::new(&std::env::var("HOME").unwrap())
+        .join("Library")
+        .join("Application Support")
+        .join("Bitcoin");
+
+    let rpc = Box::leak(Box::new(Client::new(
+        "http://localhost:8332",
+        Auth::CookieFile(bitcoin_dir.join(".cookie")),
+    )?));
+
+    let reader = Reader::new(bitcoin_dir.join("blocks"), rpc);
+
+    let start = None;
+    // let start = Some(916037_u32.into());
+    let end = None;
+    reader.read(start, end).iter().for_each(|block| {
+        println!("{}: {}", block.height(), block.hash());
+    });
+
+    // let v = diff.iter().rev().take(10).collect::<Vec<_>>();
+
+    // let block_0 = parser.get(Height::new(0))?;
+    // dbg!("{}", block_0.coinbase_tag());
+
+    // let block_158251 = parser.get(Height::new(158251))?;
+    // dbg!("{}", block_158251.coinbase_tag());
+
+    // let block_173195 = parser.get(Height::new(173195))?;
+    // dbg!("{}", block_173195.coinbase_tag());
+
+    // let block_840_000 = parser.get(Height::new(840_004))?;
+    // dbg!("{}", block_840_000.coinbase_tag());
+
+    dbg!(i.elapsed());
+
+    Ok(())
+}