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Add "bounds" command to ledger-tool and fix broken funtionality (#6540)

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Sagar Dhawan 2019-10-24 22:20:52 -07:00 committed by GitHub
parent 7f3072d53a
commit 28d3af6f35
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1 changed files with 31 additions and 6 deletions
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37
ledger-tool/src/main.rs
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@ -99,6 +99,7 @@ fn main() {
.required(true)
.help("The slot to print"),
))
.subcommand(SubCommand::with_name("bounds").about("Print lowest and highest non-empty slots. Note: This ignores gaps in slots"))
.subcommand(SubCommand::with_name("json").about("Print the ledger in JSON format").arg(&starting_slot_arg))
.subcommand(SubCommand::with_name("verify").about("Verify the ledger's PoH"))
.subcommand(SubCommand::with_name("prune").about("Prune the ledger at the block height").arg(
@ -192,11 +193,11 @@ fn main() {
RootedSlotIterator::new(0, &blocktree).expect("Failed to get rooted slot");
let potential_hashes: Vec<_> = iter
.filter_map(|(slot, meta)| {
.filter_map(|(slot, _meta)| {
let blockhash = blocktree
.get_slot_entries(slot, meta.last_index, Some(1))
.get_slot_entries(slot, 0, None)
.unwrap()
.first()
.last()
.unwrap()
.hash
.to_string();
@ -233,12 +234,12 @@ fn main() {
let iter = RootedSlotIterator::new(0, &blocktree).expect("Failed to get rooted slot");
let slot_hash: Vec<_> = iter
.filter_map(|(slot, meta)| {
.filter_map(|(slot, _meta)| {
if slot <= max_height as u64 {
let blockhash = blocktree
.get_slot_entries(slot, meta.last_index, Some(1))
.get_slot_entries(slot, 0, None)
.unwrap()
.first()
.last()
.unwrap()
.hash;
Some((slot, blockhash))
@ -270,6 +271,30 @@ fn main() {
}
});
}
("bounds", _) => match blocktree.slot_meta_iterator(0) {
Ok(metas) => {
println!("Collecting Ledger information...");
let slots: Vec<_> = metas.map(|(slot, _)| slot).collect();
if slots.is_empty() {
println!("Ledger is empty. No slots found.");
} else {
let first = slots.first().unwrap();
let last = slots.last().unwrap_or_else(|| first);
if first != last {
println!(
"Ledger contains some data for slots {:?} to {:?}",
first, last
);
} else {
println!("Ledger only contains some data for slot {:?}", first);
}
}
}
Err(err) => {
eprintln!("Unable to read the Ledger: {:?}", err);
exit(1);
}
},
("", _) => {
eprintln!("{}", matches.usage());
exit(1);