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Declare declare_bridge_chain_runtime_apis! macro

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Signed-off-by: Serban Iorga <serban@parity.io>
This commit is contained in:
Serban Iorga
2022-08-16 17:19:33 +03:00
committed by Bastian Köcher
parent 5cc874e7b8
commit 59c168e89b
15 changed files with 113 additions and 490 deletions
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bridges/primitives/chain-millau/src/lib.rs
+2 -70
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@@ -23,7 +23,7 @@ mod millau_hash;
use bp_messages::{
InboundMessageDetails, LaneId, MessageNonce, MessagePayload, OutboundMessageDetails,
};
use bp_runtime::Chain;
use bp_runtime::{declare_bridge_chain_runtime_apis, Chain};
use frame_support::{
weights::{constants::WEIGHT_PER_SECOND, DispatchClass, IdentityFee, Weight},
Parameter, RuntimeDebug,
@@ -254,72 +254,4 @@ pub const RIALTO_PARACHAIN_TO_MILLAU_CONVERSION_RATE_PARAMETER_NAME: &str =
/// Name of the RialtoParachain fee multiplier parameter, stored in the Millau runtime.
pub const RIALTO_PARACHAIN_FEE_MULTIPLIER_PARAMETER_NAME: &str = "RialtoParachainFeeMultiplier";
/// Name of the `MillauFinalityApi::best_finalized` runtime method.
pub const BEST_FINALIZED_MILLAU_HEADER_METHOD: &str = "MillauFinalityApi_best_finalized";
/// Name of the `ToMillauOutboundLaneApi::estimate_message_delivery_and_dispatch_fee` runtime
/// method.
pub const TO_MILLAU_ESTIMATE_MESSAGE_FEE_METHOD: &str =
"ToMillauOutboundLaneApi_estimate_message_delivery_and_dispatch_fee";
/// Name of the `ToMillauOutboundLaneApi::message_details` runtime method.
pub const TO_MILLAU_MESSAGE_DETAILS_METHOD: &str = "ToMillauOutboundLaneApi_message_details";
/// Name of the `FromMillauInboundLaneApi::message_details` runtime method.
pub const FROM_MILLAU_MESSAGE_DETAILS_METHOD: &str = "FromMillauInboundLaneApi_message_details";
sp_api::decl_runtime_apis! {
/// API for querying information about the finalized Millau headers.
///
/// This API is implemented by runtimes that are bridging with the Millau chain, not the
/// Millau runtime itself.
pub trait MillauFinalityApi {
/// Returns number and hash of the best finalized header known to the bridge module.
fn best_finalized() -> Option<bp_runtime::HeaderId<Hash, BlockNumber>>;
}
/// Outbound message lane API for messages that are sent to Millau chain.
///
/// This API is implemented by runtimes that are sending messages to Millau chain, not the
/// Millau runtime itself.
pub trait ToMillauOutboundLaneApi<OutboundMessageFee: Parameter, OutboundPayload: Parameter> {
/// Estimate message delivery and dispatch fee that needs to be paid by the sender on
/// this chain.
///
/// Returns `None` if message is too expensive to be sent to Millau from this chain.
///
/// Please keep in mind that this method returns the lowest message fee required for message
/// to be accepted to the lane. It may be good idea to pay a bit over this price to account
/// future exchange rate changes and guarantee that relayer would deliver your message
/// to the target chain.
fn estimate_message_delivery_and_dispatch_fee(
lane_id: LaneId,
payload: OutboundPayload,
millau_to_this_conversion_rate: Option<FixedU128>,
) -> Option<OutboundMessageFee>;
/// Returns dispatch weight, encoded payload size and delivery+dispatch fee of all
/// messages in given inclusive range.
///
/// If some (or all) messages are missing from the storage, they'll also will
/// be missing from the resulting vector. The vector is ordered by the nonce.
fn message_details(
lane: LaneId,
begin: MessageNonce,
end: MessageNonce,
) -> Vec<OutboundMessageDetails<OutboundMessageFee>>;
}
/// Inbound message lane API for messages sent by Millau chain.
///
/// This API is implemented by runtimes that are receiving messages from Millau chain, not the
/// Millau runtime itself.
///
/// Entries of the resulting vector are matching entries of the `messages` vector. Entries of the
/// `messages` vector may (and need to) be read using `To<ThisChain>OutboundLaneApi::message_details`.
pub trait FromMillauInboundLaneApi<InboundMessageFee: Parameter> {
/// Return details of given inbound messages.
fn message_details(
lane: LaneId,
messages: Vec<(MessagePayload, OutboundMessageDetails<InboundMessageFee>)>,
) -> Vec<InboundMessageDetails>;
}
}
declare_bridge_chain_runtime_apis!(millau);