Skip to content

feat(debug): Dump block proof inputs after proving failures #669

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 9, 2024
Merged

feat(debug): Dump block proof inputs after proving failures #669

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 23 additions & 3 deletions node/common/src/service/block_producer/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,9 @@ mod vrf_evaluator;
use ledger::proofs::{
block::BlockParams, gates::get_provers, generate_block_proof, transaction::ProofError,
};
use mina_p2p_messages::v2::{
MinaBaseProofStableV2, ProverExtendBlockchainInputStableV2, StateHash,
use mina_p2p_messages::{
binprot::BinProtWrite,
v2::{MinaBaseProofStableV2, ProverExtendBlockchainInputStableV2, StateHash},
};
use node::{
account::AccountSecretKey,
Expand Down Expand Up @@ -98,8 +99,27 @@ impl node::service::BlockProducerService for crate::NodeService {

let tx = self.event_sender().clone();
thread::spawn(move || {
let res = prove(input, keypair, false).map_err(|err| format!("{err:?}"));
let res = prove(input.clone(), keypair, false).map_err(|err| format!("{err:?}"));
if res.is_err() {
// IMPORTANT: Make sure that `input` here is a copy from before `prove` is called, we don't
// want to leak the private key.
if let Err(error) = dump_failed_block_proof_input(block_hash.clone(), input) {
eprintln!("ERROR when dumping failed block proof inputs: {}", error);
}
}
let _ = tx.send(BlockProducerEvent::BlockProve(block_hash, res).into());
});
}
}

fn dump_failed_block_proof_input(
block_hash: StateHash,
input: Box<ProverExtendBlockchainInputStableV2>,
) -> std::io::Result<()> {
let filename = format!("/tmp/failed_block_proof_input_{block_hash}.binprot");
println!("Dumping failed block proof to {filename}");
let mut file = std::fs::File::create(&filename)?;
input.binprot_write(&mut file)?;
file.sync_all()?;
Ok(())
}
Loading