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Adds fork-awareness and finalization notifications to transaction pool watchers. (#4740)

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* adds finalization support to sc-transaction-pool using MaintainedTransactionPool for finalization events

* adds TransactionStatus::Retracted, notify watchers of retracted blocks, finalized now finalizes, transactions for current finalized -> last finalized block

* adds last_finalized to ChainApi, use generic BlockT for ChainEvent

* fix tests

* Apply suggestions from code review

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* tests

* fix tests, docs, lazily dedupe pruned hashes

* fix tests, Cargo.lock

* Apply suggestions from code review

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* remove tree_route, last_finalized from ChainApi, add block hash to Finalization and Retracted events

* prune finality watchers

* fix tests

* remove HeaderBackend bound from FullChainApi

* code style nits, terminate stream in finality_timeout

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
This commit is contained in:
Seun Lanlege
2020-02-14 14:44:58 +01:00
committed by GitHub
parent b999911bcf
commit d3a3e288b6
18 changed files with 639 additions and 283 deletions
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substrate/primitives/blockchain/src/header_metadata.rs
+1 -1
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@@ -151,7 +151,7 @@ pub fn tree_route<Block: BlockT, T: HeaderMetadata<Block>>(
}
/// Hash and number of a block.
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct HashAndNumber<Block: BlockT> {
/// The number of the block.
pub number: NumberFor<Block>,