Merkle Mountain Range pallet (#7312)

* Add MMR pallet.

* WiP

* Working on testing.

* WiP - test

* Tests passing.

* Add proof generation.

* Generate and verify proofs.

* Allow verification of older proofs.

* Move stuff to a module.

* Split MMR stuff to it's own module.

* Add docs.

* Make parent hash optional.

* LeafData failed approach.

* Finally implement Compact stuff.

* Compact encoding WiP

* Implement remaining pieces.

* Fix tests

* Add docs to compact.

* Implement for tuples.

* Fix documentation.

* Fix warnings and address review suggestion.

* Update frame/merkle-mountain-range/src/primitives.rs

Co-authored-by: cheme <emericchevalier.pro@gmail.com>

* Address review grumbles.

* Removing missing crate.

* Fix test.

* Add some docs and test.

* Add multiple instances.

* Cargo.toml sync.

* Fix no_std compilation.

* More no_std stuff.

* Rename MMR struct.

* Addressing other grumbles.

* Fix test.

* Remove format for no_std compat.

* Add test for MMR pallet.

* Fix std feature.

* Update versions.

* Add to node/runtime.

* Add hook to insert digest.

* Make primitives public.

* Update lib.rs

tech spec/typos etc

* Use WeightInfo and benchmarks.

* Fix test.

* Fix benchmarks.

* Trait -> Config.

* Fix typo.

* Fix tests.

Co-authored-by: cheme <emericchevalier.pro@gmail.com>
Co-authored-by: Addie Wagenknecht <addie@nortd.com>
This commit is contained in:
Tomasz Drwięga
2020-12-09 16:35:13 +01:00
committed by GitHub
parent 2ed2832046
commit 02f66e8823
19 changed files with 1751 additions and 50 deletions
@@ -0,0 +1,42 @@
// This file is part of Substrate.
// Copyright (C) 2020 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Default weights for the MMR Pallet
//! This file was not auto-generated.
use frame_support::weights::{
Weight, constants::{WEIGHT_PER_NANOS, RocksDbWeight as DbWeight},
};
impl crate::WeightInfo for () {
fn on_initialize(peaks: u64) -> Weight {
// Reading the parent hash.
let leaf_weight = DbWeight::get().reads(1);
// Blake2 hash cost.
let hash_weight = 2 * WEIGHT_PER_NANOS;
// No-op hook.
let hook_weight = 0;
leaf_weight
.saturating_add(hash_weight)
.saturating_add(hook_weight)
.saturating_add(DbWeight::get().reads_writes(
2 + peaks,
2 + peaks,
))
}
}