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

* 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
@@ -9,6 +9,7 @@ license = "GPL-3.0"
substrate-test-runtime-client = { version = "2.0.0", path = "../client" }
parking_lot = "0.10.0"
codec = { package = "parity-scale-codec", version = "1.0.0" }
sp-blockchain = { version = "2.0.0", path = "../../../primitives/blockchain" }
sp-runtime = { version = "2.0.0", path = "../../../primitives/runtime" }
sp-transaction-pool = { version = "2.0.0", path = "../../../primitives/transaction-pool" }
sc-transaction-graph = { version = "2.0.0", path = "../../../client/transaction-pool/graph" }