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grandpa: report equivocations with unsigned extrinsics (#6656)

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* grandpa: use unsigned extrinsics for equivocation reporting

* grandpa: allow signed reports as well

* grandpa: change runtime api for submitting unsigned extrinsics

* grandpa: fix tests

* grandpa: add test for unsigned validation

* grandpa: add benchmark for equivocation proof checking

* offences: fix grandpa benchmark

* grandpa: add proper weight for equivocation reporting extrinsic

* grandpa: fix weight unit
This commit is contained in:
André Silva
2020-07-17 11:32:20 +01:00
committed by GitHub
parent 8ae1aa4c28
commit ae38a806ed
18 changed files with 569 additions and 359 deletions
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substrate/primitives/finality-grandpa/src/lib.rs
+9 -10
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@@ -497,16 +497,15 @@ sp_api::decl_runtime_apis! {
/// is finalized by the authorities from block B-1.
fn grandpa_authorities() -> AuthorityList;
/// Submits an extrinsic to report an equivocation. The caller must
/// provide the equivocation proof and a key ownership proof (should be
/// obtained using `generate_key_ownership_proof`). This method will
/// sign the extrinsic with any reporting keys available in the keystore
/// and will push the transaction to the pool. This method returns `None`
/// when creation of the extrinsic fails, either due to unavailability
/// of keys to sign, or because equivocation reporting is disabled for
/// the given runtime (i.e. this method is hardcoded to return `None`).
/// Only useful in an offchain context.
fn submit_report_equivocation_extrinsic(
/// Submits an unsigned extrinsic to report an equivocation. The caller
/// must provide the equivocation proof and a key ownership proof
/// (should be obtained using `generate_key_ownership_proof`). The
/// extrinsic will be unsigned and should only be accepted for local
/// authorship (not to be broadcast to the network). This method returns
/// `None` when creation of the extrinsic fails, e.g. if equivocation
/// reporting is disabled for the given runtime (i.e. this method is
/// hardcoded to return `None`). Only useful in an offchain context.
fn submit_report_equivocation_unsigned_extrinsic(
equivocation_proof: EquivocationProof<Block::Hash, NumberFor<Block>>,
key_owner_proof: OpaqueKeyOwnershipProof,
) -> Option<()>;