solana-ledger-tool initial commit

does nothing but convert from random-access ledger to json

Cargo.toml

@@ -33,6 +33,10 @@ path = "src/bin/wallet.rs"
 name = "solana-fullnode"
 path = "src/bin/fullnode.rs"
 
+[[bin]]
+name = "solana-ledger-tool"
+path = "src/bin/ledger-tool.rs"
+
 [[bin]]
 name = "solana-keygen"
 path = "src/bin/keygen.rs"

src/bin/ledger-tool.rs

@@ -0,0 +1,31 @@
+extern crate clap;
+extern crate serde_json;
+extern crate solana;
+
+use clap::{App, Arg};
+use solana::ledger::read_ledger;
+use std::io::{stdout, Write};
+
+fn main() {
+    let matches = App::new("ledger-view")
+        .arg(
+            Arg::with_name("ledger")
+                .short("l")
+                .long("ledger")
+                .value_name("DIR")
+                .takes_value(true)
+                .required(true)
+                .help("use DIR for ledger location"),
+        )
+        .get_matches();
+
+    let ledger_path = matches.value_of("ledger").unwrap();
+
+    let entries = read_ledger(ledger_path).expect("opening ledger");
+
+    for entry in entries {
+        let entry = entry.unwrap();
+        serde_json::to_writer(stdout(), &entry).expect("serialize");
+        stdout().write(b"\n").expect("newline");
+    }
+}