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Add ledger copy command (#10756)

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sakridge 2020-06-25 11:56:36 -07:00 committed by GitHub
parent 72b6349438
commit aa544b2245
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1 changed files with 37 additions and 0 deletions
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37
ledger-tool/src/main.rs
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@ -691,6 +691,26 @@ fn main() {
.arg(&starting_slot_arg)
.arg(&allow_dead_slots_arg)
)
.subcommand(
SubCommand::with_name("copy")
.about("Copy the ledger")
.arg(&starting_slot_arg)
.arg(
Arg::with_name("ending_slot")
.long("ending-slot")
.value_name("SLOT")
.validator(is_slot)
.takes_value(true)
.help("Slot to stop copy"),
)
.arg(
Arg::with_name("target_db")
.long("target-db")
.value_name("PATH")
.takes_value(true)
.help("Target db"),
)
)
.subcommand(
SubCommand::with_name("slot")
.about("Print the contents of one or more slots")
@ -923,6 +943,23 @@ fn main() {
LedgerOutputMethod::Print,
);
}
("copy", Some(arg_matches)) => {
let starting_slot = value_t_or_exit!(arg_matches, "starting_slot", Slot);
let ending_slot = value_t_or_exit!(arg_matches, "ending_slot", Slot);
let target_db = PathBuf::from(value_t_or_exit!(arg_matches, "target_db", String));
let source = open_blockstore(&ledger_path, AccessType::TryPrimaryThenSecondary);
let target = open_blockstore(&target_db, AccessType::PrimaryOnly);
for (slot, _meta) in source.slot_meta_iterator(starting_slot).unwrap() {
if slot > ending_slot {
break;
}
if let Ok(shreds) = source.get_data_shreds_for_slot(slot, 0) {
if target.insert_shreds(shreds, None, true).is_err() {
warn!("error inserting shreds for slot {}", slot);
}
}
}
}
("genesis", Some(arg_matches)) => {
println!("{}", open_genesis_config_by(&ledger_path, arg_matches));
}