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PVF: Instantiate wasm in pre-checking (#7246)

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* PVF: Instantiate wasm in pre-checking

* Move `runtime_construction_check` to prepare thread, use bytes

* [minor] Update comment

* Fix compile error

* Update Cargo.lock

* Update docs

* Add some missing docs!
This commit is contained in:
Marcin S
2023-06-02 08:04:04 -04:00
committed by GitHub
parent 2d73e39d2f
commit 5bbb87c46b
16 changed files with 437 additions and 355 deletions
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polkadot/roadmap/implementers-guide/src/glossary.md
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@@ -29,8 +29,8 @@ exactly one downward message queue.
- **Preimage:** In our context, if `H(X) = Y` where `H` is a hash function and `Y` is the hash, then `X` is the hash preimage.
- **Proof-of-Validity (PoV):** A stateless-client proof that a parachain candidate is valid, with respect to some validation function.
- **PVF:** Parachain Validation Function. The validation code that is run by validators on parachains or parathreads.
- **PVF Prechecking:** This is the process of initially checking the PVF when it is first added. We attempt preparation of the PVF and make sure it succeeds within a given timeout.
- **PVF Preparation:** This is the process of preparing the WASM blob and includes both prevalidation and compilation. As prevalidation is pretty minimal right now, preparation mostly consists of compilation.
- **PVF Prechecking:** This is the process of initially checking the PVF when it is first added. We attempt preparation of the PVF and make sure it succeeds within a given timeout, plus some additional checks.
- **PVF Preparation:** This is the process of preparing the WASM blob and includes both prevalidation and compilation. As there is no prevalidation right now, preparation just consists of compilation.
- **Relay Parent:** A block in the relay chain, referred to in a context where work is being done in the context of the state at this block.
- **Runtime:** The relay-chain state machine.
- **Runtime Module:** See Module.