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alternate availability store schema (#2237)

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* alternate availability store schema

* improvements

* tweaks

* new DB schema and skeleton

* expand skeleton and tweaks

* handle backing and inclusion

* let finality be handled later

* handle finalized blocks

* implement query methods

* implement chunk storing

* StoreAvailableData

* fix an off-by-one

* implement pruning

* reinstate subsystem trait impl

* reinstate metrics

* fix warnings

* remove chunks_cache

* oops

* actually store the available data

* mockable pruning interval

* fix tests

* spacing

* fix code grumbles

* guide improvements

* make time mockable

* implement a mocked clock for testing

* return DB errors

* Update node/core/av-store/Cargo.toml

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

* Update roadmap/implementers-guide/src/node/utility/availability-store.md

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

* Update roadmap/implementers-guide/src/node/utility/availability-store.md

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

* review grumbles & clarity

* fix review grumbles

* Add docs

Co-authored-by: Andronik Ordian <write@reusable.software>

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Andronik Ordian <write@reusable.software>
This commit is contained in:
Robert Habermeier
2021-01-11 12:46:09 -05:00
committed by GitHub
parent f9ce261707
commit aedf089691
6 changed files with 1441 additions and 1366 deletions
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polkadot/node/core/av-store/Cargo.toml
+3
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@@ -12,6 +12,7 @@ kvdb-rocksdb = "0.10.0"
thiserror = "1.0.23"
tracing = "0.1.22"
tracing-futures = "0.2.4"
bitvec = "0.17.4"
parity-scale-codec = { version = "1.3.5", features = ["derive"] }
erasure = { package = "polkadot-erasure-coding", path = "../../../erasure-coding" }
@@ -31,3 +32,5 @@ kvdb-memorydb = "0.8.0"
sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
polkadot-node-subsystem-util = { path = "../../subsystem-util" }
polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
parking_lot = "0.11.1"