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Ease parachain candidate code fetching (#2593)

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* code stored in para + modify CandidateDescriptor.

* WIP: digest + some more impl

* validation_code_hash in payload + check in inclusion

* check in client + refator

* tests

* fix encoding indices

* remove old todos

* fix test

* fix test

* add test

* fetch validation code inside collation-generation from the relay-chain

* HashMismatch -> PoVHashMismatch + miscompilation

* refactor, store hash when needed

* storage rename: more specific but slightly too verbose

* do not hash on candidate validation, fetch hash instead

* better test

* fix test

* guide updates

* don't panic in runtime

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
This commit is contained in:
Guillaume Thiolliere
2021-04-01 23:55:39 +02:00
committed by GitHub
parent 98082c5326
commit beca01f118
15 changed files with 494 additions and 102 deletions
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polkadot/node/primitives/src/lib.rs
+3 -1
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@@ -124,11 +124,13 @@ pub enum InvalidCandidate {
/// Invalid relay chain parent.
BadParent,
/// POV hash does not match.
HashMismatch,
PoVHashMismatch,
/// Bad collator signature.
BadSignature,
/// Para head hash does not match.
ParaHeadHashMismatch,
/// Validation code hash does not match.
CodeHashMismatch,
}
/// Result of the validation of the candidate.