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Availability recovery subsystem (#2122)

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* Adds message types

* Add code skeleton

* Adds subsystem code.

* Adds a first test

* Adds interaction result to availability_lru

* Use LruCache instead of a HashMap

* Whitespaces to tabs

* Do not ignore errors

* Change error type

* Add a timeout to chunk requests

* Add custom errors and log them

* Adds replace_availability_recovery method

* recovery_threshold computed by erasure crate

* change core to std

* adds docs to error type

* Adds a test for invalid reconstruction

* refactors interaction run into multiple methods

* Cleanup AwaitedChunks

* Even more fixes

* Test that recovery with wrong root is an error

* Break to launch another requests

* Styling fixes

* Add SessionIndex to API

* Proper relay parents for MakeRequest

* Remove validator_discovery and use message

* Remove a stream on exhaustion

* On cleanup free the request streams

* Fix merge and refactor
This commit is contained in:
Fedor Sakharov
2021-01-15 05:06:25 +03:00
committed by GitHub
parent 00d2b4bf3e
commit 90a686266f
13 changed files with 1682 additions and 23 deletions
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polkadot/node/network/availability-recovery/Cargo.toml
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[package]
name = "polkadot-availability-recovery"
version = "0.1.0"
authors = ["Parity Technologies <admin@parity.io>"]
edition = "2018"
[dependencies]
futures = "0.3.8"
lru = "0.6.1"
rand = "0.7.3"
thiserror = "1.0.21"
tracing = "0.1.22"
tracing-futures = "0.2.4"
polkadot-erasure-coding = { path = "../../../erasure-coding" }
polkadot-primitives = { path = "../../../primitives" }
polkadot-subsystem = { package = "polkadot-node-subsystem", path = "../../subsystem" }
polkadot-node-subsystem-util = { path = "../../subsystem-util" }
polkadot-node-network-protocol = { path = "../../network/protocol" }
futures-timer = "3.0.2"
streamunordered = "0.5.1"
[dev-dependencies]
assert_matches = "1.4.0"
env_logger = "0.8.1"
futures-timer = "3.0.2"
log = "0.4.11"
smallvec = "1.5.1"
sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
sp-application-crypto = { git = "https://github.com/paritytech/substrate", branch = "master" }
polkadot-subsystem-testhelpers = { package = "polkadot-node-subsystem-test-helpers", path = "../../subsystem-test-helpers" }