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Fix: write post state in lcli skip-slots (#4843)

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## Issue Addressed

Fix a bug in `lcli skip-slots` that resulted in it always writing the pre-state to the output file.

## Proposed Changes

Correctly keep track of the post-state, and write it.
This commit is contained in:
Michael Sproul 2023-10-19 05:19:25 +00:00
parent 1c6356f8f3
commit 8c28d175b8
1 changed files with 4 additions and 2 deletions
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6
lcli/src/skip_slots.rs
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@ -109,6 +109,7 @@ pub fn run<T: EthSpec>(
} }
_ => return Err("must supply either --state-path or --beacon-url".into()), _ => return Err("must supply either --state-path or --beacon-url".into()),
}; };
let mut post_state = None;
let initial_slot = state.slot(); let initial_slot = state.slot();
let target_slot = initial_slot + slots; let target_slot = initial_slot + slots;
@ -140,14 +141,15 @@ pub fn run<T: EthSpec>(
let duration = Instant::now().duration_since(start); let duration = Instant::now().duration_since(start);
info!("Run {}: {:?}", i, duration); info!("Run {}: {:?}", i, duration);
post_state = Some(state);
} }
if let Some(output_path) = output_path { if let (Some(post_state), Some(output_path)) = (post_state, output_path) {
let mut output_file = File::create(output_path) let mut output_file = File::create(output_path)
.map_err(|e| format!("Unable to create output file: {:?}", e))?; .map_err(|e| format!("Unable to create output file: {:?}", e))?;
output_file output_file
.write_all(&state.as_ssz_bytes()) .write_all(&post_state.as_ssz_bytes())
.map_err(|e| format!("Unable to write to output file: {:?}", e))?; .map_err(|e| format!("Unable to write to output file: {:?}", e))?;
} }