61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
#[macro_use]
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extern crate clap;
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extern crate serde_json;
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extern crate solana;
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use clap::{App, Arg, SubCommand};
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use solana::bank::Bank;
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use solana::ledger::read_ledger;
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use solana::logger;
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use std::io::{stdout, Write};
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use std::process::exit;
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fn main() {
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logger::setup();
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let matches = App::new("ledger-tool")
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.version(crate_version!())
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.arg(
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Arg::with_name("ledger")
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.short("l")
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.long("ledger")
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.value_name("DIR")
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.takes_value(true)
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.required(true)
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.help("use DIR for ledger location"),
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)
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.subcommand(SubCommand::with_name("print").about("Print the ledger"))
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.subcommand(SubCommand::with_name("verify").about("Verify the ledger"))
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.get_matches();
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let ledger_path = matches.value_of("ledger").unwrap();
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let entries = match read_ledger(ledger_path) {
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Ok(entries) => entries,
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Err(err) => {
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println!("Failed to open ledger at {}: {}", ledger_path, err);
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exit(1);
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}
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};
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match matches.subcommand() {
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("print", _) => {
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stdout().write_all(b"{\"ledger\":[\n").expect("open array");
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for entry in entries {
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let entry = entry.unwrap();
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serde_json::to_writer(stdout(), &entry).expect("serialize");
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stdout().write_all(b",\n").expect("newline");
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}
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stdout().write_all(b"\n]}\n").expect("close array");
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}
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("verify", _) => {
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let entries = entries.map(|entry| entry.unwrap());
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let bank = Bank::default();
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let entry_height = bank.process_ledger(entries).expect("process_ledger").0;
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println!("Ledger is valid. Height: {}", entry_height);
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}
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("", _) => {
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println!("{}", matches.usage());
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}
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_ => unreachable!(),
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};
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}
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