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Update bridges subtree (#2996)

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Update bridges subtree
This commit is contained in:
Serban Iorga
2024-01-19 17:50:24 +01:00
committed by GitHub
parent 2e9b4405ed
commit 320b52892e
53 changed files with 565 additions and 533 deletions
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bridges/primitives/messages/src/source_chain.rs
+15 -43
View File
@@ -16,7 +16,7 @@
//! Primitives of messages module, that are used on the source chain.
use crate::{InboundLaneData, LaneId, MessageNonce, OutboundLaneData, VerificationError};
use crate::{InboundLaneData, LaneId, MessageNonce, VerificationError};
use crate::UnrewardedRelayer;
use bp_runtime::Size;
@@ -64,24 +64,6 @@ pub trait TargetHeaderChain<Payload, AccountId> {
) -> Result<(LaneId, InboundLaneData<AccountId>), VerificationError>;
}
/// Lane message verifier.
///
/// Runtime developer may implement any additional validation logic over message-lane mechanism.
/// E.g. if lanes should have some security (e.g. you can only accept Lane1 messages from
/// Submitter1, Lane2 messages for those who has submitted first message to this lane, disable
/// Lane3 until some block, ...), then it may be built using this verifier.
///
/// Any fee requirements should also be enforced here.
pub trait LaneMessageVerifier<Payload> {
/// Verify message payload and return Ok(()) if message is valid and allowed to be sent over the
/// lane.
fn verify_message(
lane: &LaneId,
outbound_data: &OutboundLaneData,
payload: &Payload,
) -> Result<(), VerificationError>;
}
/// Manages payments that are happening at the source chain during delivery confirmation
/// transaction.
pub trait DeliveryConfirmationPayments<AccountId> {
@@ -143,25 +125,25 @@ pub trait MessagesBridge<Payload> {
/// Error type.
type Error: Debug;
/// Intermediary structure returned by `validate_message()`.
///
/// It can than be passed to `send_message()` in order to actually send the message
/// on the bridge.
type SendMessageArgs;
/// Check if the message can be sent over the bridge.
fn validate_message(
lane: LaneId,
message: &Payload,
) -> Result<Self::SendMessageArgs, Self::Error>;
/// Send message over the bridge.
///
/// Returns unique message nonce or error if send has failed.
fn send_message(lane: LaneId, message: Payload) -> Result<SendMessageArtifacts, Self::Error>;
fn send_message(message: Self::SendMessageArgs) -> SendMessageArtifacts;
}
/// Bridge that does nothing when message is being sent.
#[derive(Eq, RuntimeDebug, PartialEq)]
pub struct NoopMessagesBridge;
impl<Payload> MessagesBridge<Payload> for NoopMessagesBridge {
type Error = &'static str;
fn send_message(_lane: LaneId, _message: Payload) -> Result<SendMessageArtifacts, Self::Error> {
Ok(SendMessageArtifacts { nonce: 0, enqueued_messages: 0 })
}
}
/// Structure that may be used in place of `TargetHeaderChain`, `LaneMessageVerifier` and
/// Structure that may be used in place of `TargetHeaderChain` and
/// `MessageDeliveryAndDispatchPayment` on chains, where outbound messages are forbidden.
pub struct ForbidOutboundMessages;
@@ -183,16 +165,6 @@ impl<Payload, AccountId> TargetHeaderChain<Payload, AccountId> for ForbidOutboun
}
}
impl<Payload> LaneMessageVerifier<Payload> for ForbidOutboundMessages {
fn verify_message(
_lane: &LaneId,
_outbound_data: &OutboundLaneData,
_payload: &Payload,
) -> Result<(), VerificationError> {
Err(VerificationError::Other(ALL_OUTBOUND_MESSAGES_REJECTED))
}
}
impl<AccountId> DeliveryConfirmationPayments<AccountId> for ForbidOutboundMessages {
type Error = &'static str;