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Xcm in Rialto<>Millau bridge (#1379)

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* add XCM pallet to Millau runtime

* some progress

* messages are delivered (no fee)

* temp

* flush

* flush

* some progress

* progress

* Trap(42) is dispatched successfully

* fix spelling

* no more manual sending

* parametrize weight credit for tests

* actually charge fees

* enable send-using-messages-pallet to keep our test deployments alive + send valid XCM sometimes

* fix benchmarks build

* fix tests
This commit is contained in:
Svyatoslav Nikolsky
2022-05-16 11:46:55 +03:00
committed by Bastian Köcher
parent f54bd6c779
commit 748c265c47
19 changed files with 1059 additions and 431 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bridges/bin/rialto/runtime/src/millau_messages.rs
+29 -14
View File
@@ -16,7 +16,7 @@
//! Everything required to serve Millau <-> Rialto messages.
use crate::Runtime;
use crate::{Call, OriginCaller, Runtime};
use bp_messages::{
source_chain::{SenderOrigin, TargetHeaderChain},
@@ -40,6 +40,10 @@ pub const INITIAL_MILLAU_TO_RIALTO_CONVERSION_RATE: FixedU128 =
FixedU128::from_inner(FixedU128::DIV);
/// Initial value of `MillauFeeMultiplier` parameter.
pub const INITIAL_MILLAU_FEE_MULTIPLIER: FixedU128 = FixedU128::from_inner(FixedU128::DIV);
/// Weight of 2 XCM instructions is for simple `Trap(42)` program, coming through bridge
/// (it is prepended with `UniversalOrigin` instruction). It is used just for simplest manual
/// tests, confirming that we don't break encoding somewhere between.
pub const BASE_XCM_WEIGHT_TWICE: Weight = 2 * crate::xcm_config::BASE_XCM_WEIGHT;
parameter_types! {
/// Millau to Rialto conversion rate. Initially we treat both tokens as equal.
@@ -56,14 +60,15 @@ pub type ToMillauMessageVerifier =
messages::source::FromThisChainMessageVerifier<WithMillauMessageBridge>;
/// Message payload for Millau -> Rialto messages.
pub type FromMillauMessagePayload = messages::target::FromBridgedChainMessagePayload;
pub type FromMillauMessagePayload = messages::target::FromBridgedChainMessagePayload<Call>;
/// Call-dispatch based message dispatch for Millau -> Rialto messages.
pub type FromMillauMessageDispatch = messages::target::FromBridgedChainMessageDispatch<
WithMillauMessageBridge,
crate::Runtime,
pallet_balances::Pallet<Runtime>,
(),
xcm_executor::XcmExecutor<crate::xcm_config::XcmConfig>,
crate::xcm_config::XcmWeigher,
//
frame_support::traits::ConstU64<BASE_XCM_WEIGHT_TWICE>,
>;
/// Messages proof for Millau -> Rialto messages.
@@ -115,7 +120,23 @@ impl messages::ThisChainWithMessages for Rialto {
type Call = crate::Call;
fn is_message_accepted(send_origin: &Self::Origin, lane: &LaneId) -> bool {
send_origin.linked_account().is_some() && (*lane == [0, 0, 0, 0] || *lane == [0, 0, 0, 1])
let here_location =
xcm::v3::MultiLocation::from(crate::xcm_config::UniversalLocation::get());
match send_origin.caller {
OriginCaller::XcmPallet(pallet_xcm::Origin::Xcm(ref location))
if *location == here_location =>
{
log::trace!(target: "runtime::bridge", "Verifying message sent using XCM pallet to Millau");
},
_ => {
// keep in mind that in this case all messages are free (in term of fees)
// => it's just to keep testing bridge on our test deployments until we'll have a
// better option
log::trace!(target: "runtime::bridge", "Verifying message sent using messages pallet to Millau");
},
}
*lane == [0, 0, 0, 0] || *lane == [0, 0, 0, 1]
}
fn maximal_pending_messages_at_outbound_lane() -> MessageNonce {
@@ -262,14 +283,8 @@ impl SourceHeaderChain<bp_millau::Balance> for Millau {
impl SenderOrigin<crate::AccountId> for crate::Origin {
fn linked_account(&self) -> Option<crate::AccountId> {
match self.caller {
crate::OriginCaller::system(frame_system::RawOrigin::Signed(ref submitter)) =>
Some(submitter.clone()),
crate::OriginCaller::system(frame_system::RawOrigin::Root) |
crate::OriginCaller::system(frame_system::RawOrigin::None) =>
crate::RootAccountForPayments::get(),
_ => None,
}
// XCM deals wit fees in our deployments
None
}
}