feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

2025-12-13 15:44:15 +03:00
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+# PVF Pre-checking
+
+> ⚠️ This runtime API was added in v2.
+
+There are two main runtime APIs to work with PVF pre-checking.
+
+The first runtime API is designed to fetch all PVFs that require pre-checking voting. The PVFs are identified by their
+code hashes. As soon as the PVF gains required support, the runtime API will not return the PVF anymore.
+
+```rust
+fn pvfs_require_precheck() -> Vec<ValidationCodeHash>;
+```
+
+The second runtime API is needed to submit the judgement for a PVF, whether it is approved or not. The voting process
+uses unsigned transactions. The [`PvfCheckStatement`](../types/pvf-prechecking.md) is circulated through the network via
+gossip similar to a normal transaction. At some point the validator will include the statement in the block, where it
+will be processed by the runtime. If that was the last vote before gaining the super-majority, this PVF will not be
+returned by `pvfs_require_precheck` anymore.
+
+```rust
+fn submit_pvf_check_statement(stmt: PvfCheckStatement, signature: ValidatorSignature);
+```