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set fee for importing mandatory headers to zero (#1127)

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This commit is contained in:
Svyatoslav Nikolsky
2021-09-09 14:57:01 +03:00
committed by Bastian Köcher
parent 7730e417a8
commit b9bd14562b
1 changed files with 24 additions and 8 deletions
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bridges/modules/grandpa/src/lib.rs
+24 -8
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@@ -164,12 +164,20 @@ pub mod pallet {
let set_id = authority_set.set_id; let set_id = authority_set.set_id;
verify_justification::<T, I>(&justification, hash, *number, authority_set)?; verify_justification::<T, I>(&justification, hash, *number, authority_set)?;
let _enacted = try_enact_authority_change::<T, I>(&finality_target, set_id)?; let is_authorities_change_enacted = try_enact_authority_change::<T, I>(&finality_target, set_id)?;
<RequestCount<T, I>>::mutate(|count| *count += 1); <RequestCount<T, I>>::mutate(|count| *count += 1);
insert_header::<T, I>(finality_target, hash); insert_header::<T, I>(finality_target, hash);
log::info!(target: "runtime::bridge-grandpa", "Succesfully imported finalized header with hash {:?}!", hash); log::info!(target: "runtime::bridge-grandpa", "Succesfully imported finalized header with hash {:?}!", hash);
Ok(().into()) // mandatory header is a header that changes authorities set. The pallet can't go further
// without importing this header. So every bridge MUST import mandatory headers.
//
// We don't want to charge extra costs for mandatory operations. So relayer is not paying
// fee for mandatory headers import transactions.
let is_mandatory_header = is_authorities_change_enacted;
let pays_fee = if is_mandatory_header { Pays::No } else { Pays::Yes };
Ok(pays_fee.into())
} }
/// Bootstrap the bridge pallet with an initial header and authority set from which to sync. /// Bootstrap the bridge pallet with an initial header and authority set from which to sync.
@@ -792,7 +800,13 @@ mod tests {
fn succesfully_imports_header_with_valid_finality() { fn succesfully_imports_header_with_valid_finality() {
run_test(|| { run_test(|| {
initialize_substrate_bridge(); initialize_substrate_bridge();
assert_ok!(submit_finality_proof(1)); assert_ok!(
submit_finality_proof(1),
PostDispatchInfo {
actual_weight: None,
pays_fee: frame_support::weights::Pays::Yes,
},
);
let header = test_header(1); let header = test_header(1);
assert_eq!(<BestFinalized<TestRuntime>>::get(), header.hash()); assert_eq!(<BestFinalized<TestRuntime>>::get(), header.hash());
@@ -889,11 +903,13 @@ mod tests {
let justification = make_default_justification(&header); let justification = make_default_justification(&header);
// Let's import our test header // Let's import our test header
assert_ok!(Pallet::<TestRuntime>::submit_finality_proof( assert_ok!(
Origin::signed(1), Pallet::<TestRuntime>::submit_finality_proof(Origin::signed(1), header.clone(), justification),
header.clone(), PostDispatchInfo {
justification actual_weight: None,
)); pays_fee: frame_support::weights::Pays::No,
},
);
// Make sure that our header is the best finalized // Make sure that our header is the best finalized
assert_eq!(<BestFinalized<TestRuntime>>::get(), header.hash()); assert_eq!(<BestFinalized<TestRuntime>>::get(), header.hash());