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Ensure that the origin is signed for submit_parachain_heads and submi…
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…t_finality_proof calls (paritytech#2239)

* ensure that the origin is signed for submit_parachain_heads and submit_finality_proof calls

* clippy

* clippy
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svyatonik authored and serban300 committed Apr 8, 2024
1 parent f1a1a35 commit bba4f09
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Showing 2 changed files with 45 additions and 3 deletions.
22 changes: 21 additions & 1 deletion bridges/modules/grandpa/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -176,11 +176,12 @@ pub mod pallet {
justification.votes_ancestries.len().saturated_into(),
))]
pub fn submit_finality_proof(
_origin: OriginFor<T>,
origin: OriginFor<T>,
finality_target: Box<BridgedHeader<T, I>>,
justification: GrandpaJustification<BridgedHeader<T, I>>,
) -> DispatchResultWithPostInfo {
Self::ensure_not_halted().map_err(Error::<T, I>::BridgeModule)?;
ensure_signed(origin)?;

let (hash, number) = (finality_target.hash(), *finality_target.number());
log::trace!(
Expand Down Expand Up @@ -1414,4 +1415,23 @@ mod tests {
fn maybe_headers_to_keep_returns_correct_value() {
assert_eq!(MaybeHeadersToKeep::<TestRuntime, ()>::get(), Some(mock::HeadersToKeep::get()));
}

#[test]
fn submit_finality_proof_requires_signed_origin() {
run_test(|| {
initialize_substrate_bridge();

let header = test_header(1);
let justification = make_default_justification(&header);

assert_noop!(
Pallet::<TestRuntime>::submit_finality_proof(
RuntimeOrigin::root(),
Box::new(header),
justification,
),
DispatchError::BadOrigin,
);
})
}
}
26 changes: 24 additions & 2 deletions bridges/modules/parachains/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -307,12 +307,13 @@ pub mod pallet {
parachains.len() as _,
))]
pub fn submit_parachain_heads(
_origin: OriginFor<T>,
origin: OriginFor<T>,
at_relay_block: (RelayBlockNumber, RelayBlockHash),
parachains: Vec<(ParaId, ParaHash)>,
parachain_heads_proof: ParaHeadsProof,
) -> DispatchResultWithPostInfo {
Self::ensure_not_halted().map_err(Error::<T, I>::BridgeModule)?;
ensure_signed(origin)?;

// we'll need relay chain header to verify that parachains heads are always increasing.
let (relay_block_number, relay_block_hash) = at_relay_block;
Expand Down Expand Up @@ -417,7 +418,7 @@ pub mod pallet {
});

// we're refunding weight if update has not happened and if pruning has not happened
let is_update_happened = matches!(update_result, Ok(_));
let is_update_happened = update_result.is_ok();
if !is_update_happened {
actual_weight = actual_weight.saturating_sub(
WeightInfoOf::<T, I>::parachain_head_storage_write_weight(
Expand Down Expand Up @@ -1579,4 +1580,25 @@ pub(crate) mod tests {
Some(mock::TOTAL_PARACHAINS * mock::HeadsToKeep::get()),
);
}

#[test]
fn submit_finality_proof_requires_signed_origin() {
run_test(|| {
let (state_root, proof, parachains) =
prepare_parachain_heads_proof::<RegularParachainHeader>(vec![(1, head_data(1, 0))]);

initialize(state_root);

// `submit_parachain_heads()` should fail when the pallet is halted.
assert_noop!(
Pallet::<TestRuntime>::submit_parachain_heads(
RuntimeOrigin::root(),
(0, test_relay_header(0, state_root).hash()),
parachains,
proof,
),
DispatchError::BadOrigin
);
})
}
}

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