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Integrate HRMP (#258)

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* HRMP message ingestion

* Plumb hrmp_watermark to build_collation

* Plumb hrmp_watermark to ValidationResult

* Plumb hrmp outbound messages

* Implement message-broker part of HRMP

* Kill UPWARD_MESSAGES as well

Otherwise, they will get resent each block

* Add sudo versions for easier testing

* Remove the xcmp module

Not useful for the moment

* Doc for HRMP message handler

* Estimate the weight upper bound for on_finalize

* Remove a redundant type annotation

* fix spelling of a method

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Deabbreviate dmp and hrmp in the message ingestion type

* Don't use binary_search since it's broken by a following rotate

Instead use the linear search. We can afford linear search here since
due to limited scalability of HRMP we can only have at most a couple of
dozens of channels.

* Fix the watermark

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
This commit is contained in:
Sergei Shulepov
2020-12-15 05:42:31 +01:00
committed by GitHub
parent ea10fa8230
commit aba8f46ec9
8 changed files with 292 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files
runtime/src/validate_block/implementation.rs
+19 -5
View File
@@ -30,8 +30,9 @@ use codec::{Decode, Encode};
use cumulus_primitives::{
well_known_keys::{
NEW_VALIDATION_CODE, PROCESSED_DOWNWARD_MESSAGES, UPWARD_MESSAGES, VALIDATION_DATA,
HRMP_WATERMARK, HRMP_OUTBOUND_MESSAGES,
},
UpwardMessage, ValidationData,
UpwardMessage, ValidationData, OutboundHrmpMessage,
};
use sp_core::storage::{ChildInfo, TrackedStorageKey};
use sp_externalities::{
@@ -165,15 +166,28 @@ pub fn validate_block<B: BlockT, E: ExecuteBlock<B>>(params: ValidationParams) -
.and_then(|v| Decode::decode(&mut &v[..]).ok())
.expect("`ValidationData` is required to be placed into the storage!");
let horizontal_messages = match overlay.storage(HRMP_OUTBOUND_MESSAGES).flatten() {
Some(encoded) => Vec::<OutboundHrmpMessage>::decode(&mut &encoded[..])
.expect("Outbound HRMP messages vec is not correctly encoded in the storage!"),
None => Vec::new(),
};
let hrmp_watermark = overlay
.storage(HRMP_WATERMARK)
.flatten()
.map(|v| {
Decode::decode(&mut &v[..])
.expect("HRMP watermark is not encoded correctly")
})
.unwrap_or(validation_data.persisted.block_number);
ValidationResult {
head_data,
new_validation_code,
upward_messages,
processed_downward_messages,
//TODO!
horizontal_messages: Vec::new(),
//TODO!
hrmp_watermark: validation_data.persisted.block_number,
horizontal_messages,
hrmp_watermark,
}
}