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InboundLaneApi::latest_confirmed_nonce (#429)

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* InboundLaneApi::latest_confirmed_nonce

* Fix wording and typo

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>
This commit is contained in:
Svyatoslav Nikolsky
2020-10-22 19:19:57 +03:00
committed by Bastian Köcher
parent a37c1762dc
commit 5accb2b339
2 changed files with 12 additions and 4 deletions
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bridges/modules/message-lane/src/lib.rs
+10 -4
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@@ -66,10 +66,16 @@ pub trait Trait<I = DefaultInstance>: frame_system::Trait {
/// confirmed. The reason is that if you want to use lane, you should be ready to pay /// confirmed. The reason is that if you want to use lane, you should be ready to pay
/// for it. /// for it.
type MaxMessagesToPruneAtOnce: Get<MessageNonce>; type MaxMessagesToPruneAtOnce: Get<MessageNonce>;
/// Maximal number of messages in the 'unconfirmed' state at inbound lane. Unconfirmed /// Maximal number of "messages" (see note below) in the 'unconfirmed' state at inbound lane.
/// message at inbound lane is the message that has been: sent, delivered and dispatched. /// Unconfirmed message at inbound lane is the message that has been: sent, delivered and
/// Its delivery confirmation is still pending. This limit is introduced to bound maximal /// dispatched. Its delivery confirmation is still pending. This limit is introduced to bound
/// number of relayers-ids in the inbound lane state. /// maximal number of relayers-ids in the inbound lane state.
///
/// "Message" in this context does not necessarily mean an individual message, but instead
/// continuous range of individual messages, that are delivered by single relayer. So if relayer#1
/// has submitted delivery transaction#1 with individual messages [1; 2] and then delivery
/// transaction#2 with individual messages [3; 4], this would be treated as single "Message" and
/// would occupy single unit of `MaxUnconfirmedMessagesAtInboundLane` limit.
type MaxUnconfirmedMessagesAtInboundLane: Get<MessageNonce>; type MaxUnconfirmedMessagesAtInboundLane: Get<MessageNonce>;
/// Payload type of outbound messages. This payload is dispatched on the bridged chain. /// Payload type of outbound messages. This payload is dispatched on the bridged chain.
bridges/primitives/message-lane/src/lib.rs
+2
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@@ -136,5 +136,7 @@ decl_runtime_apis! {
pub trait InboundLaneApi { pub trait InboundLaneApi {
/// Returns nonce of the latest message, received by given lane. /// Returns nonce of the latest message, received by given lane.
fn latest_received_nonce(lane: LaneId) -> MessageNonce; fn latest_received_nonce(lane: LaneId) -> MessageNonce;
/// Nonce of latest message that has been confirmed to the bridged chain.
fn latest_confirmed_nonce(lane: LaneId) -> MessageNonce;
} }
} }