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Minify slashing protection interchange data (#2380)

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## Issue Addressed

Closes #2354

## Proposed Changes

Add a `minify` method to `slashing_protection::Interchange` that keeps only the maximum-epoch attestation and maximum-slot block for each validator. Specifically, `minify` constructs "synthetic" attestations (with no `signing_root`) containing the maximum source epoch _and_ the maximum target epoch from the input. This is equivalent to the `minify_synth` algorithm that I've formally verified in this repository:

https://github.com/michaelsproul/slashing-proofs

## Additional Info

Includes the JSON loading optimisation from #2347
This commit is contained in:
Michael Sproul
2021-06-21 05:46:36 +00:00
parent b84ff9f793
commit 6583ce325b
11 changed files with 441 additions and 95 deletions
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23
validator_client/slashing_protection/tests/interop.rs
View File

@@ -1,7 +1,12 @@
use lazy_static::lazy_static;
use slashing_protection::interchange_test::MultiTestCase;
use std::fs::File;
use std::path::PathBuf;
lazy_static! {
pub static ref TEST_ROOT_DIR: PathBuf = test_root_dir();
}
fn download_tests() {
let make_output = std::process::Command::new("make")
.current_dir(std::env::var("CARGO_MANIFEST_DIR").unwrap())
@@ -22,7 +27,7 @@ fn test_root_dir() -> PathBuf {
#[test]
fn generated() {
for entry in test_root_dir()
for entry in TEST_ROOT_DIR
.join("generated")
.read_dir()
.unwrap()
@@ -30,6 +35,20 @@ fn generated() {
{
let file = File::open(entry.path()).unwrap();
let test_case: MultiTestCase = serde_json::from_reader(&file).unwrap();
test_case.run();
test_case.run(false);
}
}
#[test]
fn generated_with_minification() {
for entry in TEST_ROOT_DIR
.join("generated")
.read_dir()
.unwrap()
.map(Result::unwrap)
{
let file = File::open(entry.path()).unwrap();
let test_case: MultiTestCase = serde_json::from_reader(&file).unwrap();
test_case.run(true);
}
}