mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Remove bridges subtree
This commit is contained in:
Serban Iorga
committed by
Bastian Köcher
Bastian Köcher
parent
d38f6e6728
commit
9a3e2c8c5a
@@ -1,223 +0,0 @@
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// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Common types/functions that may be used by runtimes of all bridged chains.
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#![warn(missing_docs)]
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#![cfg_attr(not(feature = "std"), no_std)]
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use crate::messages_call_ext::MessagesCallSubType;
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use pallet_bridge_grandpa::CallSubType as GrandpaCallSubType;
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use pallet_bridge_parachains::CallSubType as ParachainsCallSubtype;
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use sp_runtime::transaction_validity::TransactionValidity;
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pub mod messages;
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pub mod messages_api;
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pub mod messages_benchmarking;
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pub mod messages_call_ext;
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pub mod messages_generation;
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pub mod messages_xcm_extension;
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pub mod parachains_benchmarking;
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pub mod priority_calculator;
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pub mod refund_relayer_extension;
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mod mock;
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#[cfg(feature = "integrity-test")]
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pub mod integrity;
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const LOG_TARGET_BRIDGE_DISPATCH: &str = "runtime::bridge-dispatch";
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/// A duplication of the `FilterCall` trait.
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///
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/// We need this trait in order to be able to implement it for the messages pallet,
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/// since the implementation is done outside of the pallet crate.
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pub trait BridgeRuntimeFilterCall<Call> {
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/// Checks if a runtime call is valid.
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fn validate(call: &Call) -> TransactionValidity;
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}
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impl<T, I: 'static> BridgeRuntimeFilterCall<T::RuntimeCall> for pallet_bridge_grandpa::Pallet<T, I>
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where
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T: pallet_bridge_grandpa::Config<I>,
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T::RuntimeCall: GrandpaCallSubType<T, I>,
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{
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fn validate(call: &T::RuntimeCall) -> TransactionValidity {
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GrandpaCallSubType::<T, I>::check_obsolete_submit_finality_proof(call)
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}
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}
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impl<T, I: 'static> BridgeRuntimeFilterCall<T::RuntimeCall>
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for pallet_bridge_parachains::Pallet<T, I>
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where
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T: pallet_bridge_parachains::Config<I>,
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T::RuntimeCall: ParachainsCallSubtype<T, I>,
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{
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fn validate(call: &T::RuntimeCall) -> TransactionValidity {
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ParachainsCallSubtype::<T, I>::check_obsolete_submit_parachain_heads(call)
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}
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}
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impl<T: pallet_bridge_messages::Config<I>, I: 'static> BridgeRuntimeFilterCall<T::RuntimeCall>
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for pallet_bridge_messages::Pallet<T, I>
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where
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T::RuntimeCall: MessagesCallSubType<T, I>,
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{
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/// Validate messages in order to avoid "mining" messages delivery and delivery confirmation
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/// transactions, that are delivering outdated messages/confirmations. Without this validation,
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/// even honest relayers may lose their funds if there are multiple relays running and
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/// submitting the same messages/confirmations.
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fn validate(call: &T::RuntimeCall) -> TransactionValidity {
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call.check_obsolete_call()
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}
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}
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/// Declares a runtime-specific `BridgeRejectObsoleteHeadersAndMessages` signed extension.
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///
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/// ## Example
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///
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/// ```nocompile
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/// generate_bridge_reject_obsolete_headers_and_messages!{
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/// Call, AccountId
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/// BridgeRococoGrandpa, BridgeRococoMessages,
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/// BridgeRococoParachains
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/// }
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/// ```
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///
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/// The goal of this extension is to avoid "mining" transactions that provide outdated bridged
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/// headers and messages. Without that extension, even honest relayers may lose their funds if
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/// there are multiple relays running and submitting the same information.
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#[macro_export]
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macro_rules! generate_bridge_reject_obsolete_headers_and_messages {
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($call:ty, $account_id:ty, $($filter_call:ty),*) => {
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#[derive(Clone, codec::Decode, Default, codec::Encode, Eq, PartialEq, sp_runtime::RuntimeDebug, scale_info::TypeInfo)]
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pub struct BridgeRejectObsoleteHeadersAndMessages;
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impl sp_runtime::traits::SignedExtension for BridgeRejectObsoleteHeadersAndMessages {
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const IDENTIFIER: &'static str = "BridgeRejectObsoleteHeadersAndMessages";
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type AccountId = $account_id;
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type Call = $call;
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type AdditionalSigned = ();
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type Pre = ();
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fn additional_signed(&self) -> sp_std::result::Result<
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(),
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sp_runtime::transaction_validity::TransactionValidityError,
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> {
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Ok(())
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}
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fn validate(
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&self,
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_who: &Self::AccountId,
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call: &Self::Call,
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_info: &sp_runtime::traits::DispatchInfoOf<Self::Call>,
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_len: usize,
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) -> sp_runtime::transaction_validity::TransactionValidity {
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let valid = sp_runtime::transaction_validity::ValidTransaction::default();
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$(
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let valid = valid
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.combine_with(<$filter_call as $crate::BridgeRuntimeFilterCall<$call>>::validate(call)?);
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)*
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Ok(valid)
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}
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fn pre_dispatch(
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self,
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who: &Self::AccountId,
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call: &Self::Call,
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info: &sp_runtime::traits::DispatchInfoOf<Self::Call>,
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len: usize,
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) -> Result<Self::Pre, sp_runtime::transaction_validity::TransactionValidityError> {
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self.validate(who, call, info, len).map(drop)
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}
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}
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};
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}
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#[cfg(test)]
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mod tests {
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use crate::BridgeRuntimeFilterCall;
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use frame_support::{assert_err, assert_ok};
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use sp_runtime::{
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traits::SignedExtension,
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transaction_validity::{InvalidTransaction, TransactionValidity, ValidTransaction},
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};
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pub struct MockCall {
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data: u32,
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}
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impl sp_runtime::traits::Dispatchable for MockCall {
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type RuntimeOrigin = ();
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type Config = ();
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type Info = ();
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type PostInfo = ();
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fn dispatch(
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self,
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_origin: Self::RuntimeOrigin,
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) -> sp_runtime::DispatchResultWithInfo<Self::PostInfo> {
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unimplemented!()
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}
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}
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struct FirstFilterCall;
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impl BridgeRuntimeFilterCall<MockCall> for FirstFilterCall {
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fn validate(call: &MockCall) -> TransactionValidity {
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if call.data <= 1 {
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return InvalidTransaction::Custom(1).into()
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}
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Ok(ValidTransaction { priority: 1, ..Default::default() })
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}
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}
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struct SecondFilterCall;
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impl BridgeRuntimeFilterCall<MockCall> for SecondFilterCall {
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fn validate(call: &MockCall) -> TransactionValidity {
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if call.data <= 2 {
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return InvalidTransaction::Custom(2).into()
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}
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Ok(ValidTransaction { priority: 2, ..Default::default() })
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}
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}
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#[test]
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fn test() {
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generate_bridge_reject_obsolete_headers_and_messages!(
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MockCall,
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(),
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FirstFilterCall,
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SecondFilterCall
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);
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assert_err!(
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BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 1 }, &(), 0),
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InvalidTransaction::Custom(1)
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);
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assert_err!(
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BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 2 }, &(), 0),
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InvalidTransaction::Custom(2)
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);
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assert_ok!(
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BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 3 }, &(), 0),
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ValidTransaction { priority: 3, ..Default::default() }
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)
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}
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}
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