Add a simple tool for full compaction benchmarking

examples/compact.rs

@@ -0,0 +1,29 @@
+/// Benchmark full compaction.
+extern crate electrs;
+
+#[macro_use]
+extern crate log;
+
+extern crate error_chain;
+
+use electrs::{config::Config, errors::*, store::DBStore};
+
+use error_chain::ChainedError;
+
+fn run(config: Config) -> Result<()> {
+    if !config.db_path.exists() {
+        panic!(
+            "DB {:?} must exist when running this benchmark!",
+            config.db_path
+        );
+    }
+    let store = DBStore::open(&config.db_path);
+    store.compact();
+    Ok(())
+}
+
+fn main() {
+    if let Err(e) = run(Config::from_args()) {
+        error!("{}", e.display_chain());
+    }
+}