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Fix some unjustified disputes (#6103)

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* Fix indentation + add warning

on participation errors.

* Don't vote invalid on internal errors.

* Don't dispute on code compression error.

* Remove CodeDecompressionError

* Candidate not invalid if PVF preparation fails.

Instead: Report error.

* Fix malus

* Add clarifying comment.

* cargo fmt

* Fix indentation.
This commit is contained in:
eskimor
2023-01-22 20:21:37 +01:00
committed by GitHub
parent fdd6c690e1
commit bec4168baa
6 changed files with 64 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/node/core/candidate-validation/src/lib.rs
+10 -6
View File
@@ -527,8 +527,9 @@ async fn validate_candidate_exhaustive(
Err(e) => {
gum::info!(target: LOG_TARGET, ?para_id, err=?e, "Invalid candidate (validation code)");
// If the validation code is invalid, the candidate certainly is.
return Ok(ValidationResult::Invalid(InvalidCandidate::CodeDecompressionFailure))
// Code already passed pre-checking, if decompression fails now this most likley means
// some local corruption happened.
return Err(ValidationFailed("Code decompression failed".to_string()))
},
};
@@ -560,7 +561,6 @@ async fn validate_candidate_exhaustive(
match result {
Err(ValidationError::InternalError(e)) => Err(ValidationFailed(e)),
Err(ValidationError::InvalidCandidate(WasmInvalidCandidate::HardTimeout)) =>
Ok(ValidationResult::Invalid(InvalidCandidate::Timeout)),
Err(ValidationError::InvalidCandidate(WasmInvalidCandidate::WorkerReportedError(e))) =>
@@ -569,9 +569,13 @@ async fn validate_candidate_exhaustive(
Ok(ValidationResult::Invalid(InvalidCandidate::ExecutionError(
"ambiguous worker death".to_string(),
))),
Err(ValidationError::InvalidCandidate(WasmInvalidCandidate::PrepareError(e))) =>
Ok(ValidationResult::Invalid(InvalidCandidate::ExecutionError(e))),
Err(ValidationError::InvalidCandidate(WasmInvalidCandidate::PrepareError(e))) => {
// In principle if preparation of the `WASM` fails, the current candidate can not be the
// reason for that. So we can't say whether it is invalid or not in addition with
// pre-checking enabled only valid runtimes should ever get enacted, so we can be
// reasonably sure that this is some local problem on the current node.
Err(ValidationFailed(e))
},
Ok(res) =>
if res.head_data.hash() != candidate_receipt.descriptor.para_head {
gum::info!(target: LOG_TARGET, ?para_id, "Invalid candidate (para_head)");
polkadot/node/core/candidate-validation/src/tests.rs
+2 -2
View File
@@ -799,7 +799,7 @@ fn compressed_code_works() {
}
#[test]
fn code_decompression_failure_is_invalid() {
fn code_decompression_failure_is_error() {
let validation_data = PersistedValidationData { max_pov_size: 1024, ..Default::default() };
let pov = PoV { block_data: BlockData(vec![1; 32]) };
let head_data = HeadData(vec![1, 1, 1]);
@@ -842,7 +842,7 @@ fn code_decompression_failure_is_invalid() {
&Default::default(),
));
assert_matches!(v, Ok(ValidationResult::Invalid(InvalidCandidate::CodeDecompressionFailure)));
assert_matches!(v, Err(_));
}
#[test]