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Track and accumulate ingress roots in runtime (#287)

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* track unrouted ingress in runtime

* test ingress routing

* fix compilation

* add space

Co-Authored-By: Gavin Wood <github@gavwood.com>
This commit is contained in:
Robert Habermeier
2019-06-17 14:38:03 +02:00
committed by GitHub
parent bc59254f41
commit 58ab4f6b9f
7 changed files with 263 additions and 101 deletions
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polkadot/primitives/src/parachain.rs
+30 -13
View File
@@ -19,7 +19,7 @@
use rstd::prelude::*;
use rstd::cmp::Ordering;
use parity_codec::{Encode, Decode};
use super::{Hash, Balance};
use super::{Hash, Balance, BlockNumber};
#[cfg(feature = "std")]
use serde::{Serialize, Deserialize};
@@ -200,18 +200,35 @@ pub struct PoVBlock {
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Encode, Debug))]
pub struct Message(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
/// Consolidated ingress roots.
/// All ingress roots at one block.
///
/// This is an ordered vector of other parachains' egress queue roots,
/// obtained according to the routing rules. The same parachain may appear
/// twice.
/// This is an ordered vector of other parachain's egress queue roots from a specific block.
/// empty roots are omitted. Each parachain may appear once at most.
#[derive(Default, PartialEq, Eq, Clone, Encode)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug, Decode))]
pub struct ConsolidatedIngressRoots(pub Vec<(Id, Hash)>);
pub struct BlockIngressRoots(pub Vec<(Id, Hash)>);
impl From<Vec<(Id, Hash)>> for ConsolidatedIngressRoots {
fn from(v: Vec<(Id, Hash)>) -> Self {
ConsolidatedIngressRoots(v)
/// All ingress roots, grouped by block number (ascending). To properly
/// interpret this struct, the user must have knowledge of which fork of the relay
/// chain all block numbers correspond to.
#[derive(Default, PartialEq, Eq, Clone, Encode)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug, Decode))]
pub struct StructuredUnroutedIngress(pub Vec<(BlockNumber, BlockIngressRoots)>);
#[cfg(feature = "std")]
impl StructuredUnroutedIngress {
/// Get the length of all the ingress roots across all blocks.
pub fn len(&self) -> usize {
self.0.iter().fold(0, |a, (_, roots)| a + roots.0.len())
}
/// Returns an iterator over all ingress roots. The block number indicates
/// the height at which that root was posted to the relay chain. The parachain ID is the
/// message sender.
pub fn iter(&self) -> impl Iterator<Item=(BlockNumber, &Id, &Hash)> {
self.0.iter().flat_map(|&(n, ref roots)|
roots.0.iter().map(move |&(ref from, ref root)| (n, from, root))
)
}
}
@@ -219,7 +236,7 @@ impl From<Vec<(Id, Hash)>> for ConsolidatedIngressRoots {
///
/// This is just an ordered vector of other parachains' egress queues,
/// obtained according to the routing rules. The same parachain may appear
/// twice.
/// more than once.
#[derive(Default, PartialEq, Eq, Clone, Decode)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Encode, Debug))]
pub struct ConsolidatedIngress(pub Vec<(Id, Vec<Message>)>);
@@ -324,9 +341,9 @@ substrate_client::decl_runtime_apis! {
fn parachain_head(id: Id) -> Option<Vec<u8>>;
/// Get the given parachain's head code blob.
fn parachain_code(id: Id) -> Option<Vec<u8>>;
/// Get the ingress roots to a specific parachain at a
/// block.
fn ingress(to: Id) -> Option<ConsolidatedIngressRoots>;
/// Get all the unrouted ingress roots at the given block that
/// are targeting the given parachain.
fn ingress(to: Id) -> Option<StructuredUnroutedIngress>;
}
}