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Parachains pallet benchmarks (paritytech#1436)
* added parachains pallet benchmarks * deduplicate insertion of bridged header * pruning weight * fixes * fix compilation
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2019-2021 Parity Technologies (UK) Ltd. | ||
| // This file is part of Parity Bridges Common. | ||
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| // Parity Bridges Common is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
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| // Parity Bridges Common is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License | ||
| // along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>. | ||
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| //! Everything required to run benchmarks of parachains finality module. | ||
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| #![cfg(feature = "runtime-benchmarks")] | ||
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| use crate::messages_benchmarking::{grow_trie, insert_header_to_grandpa_pallet}; | ||
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| use bp_parachains::parachain_head_storage_key_at_source; | ||
| use bp_polkadot_core::parachains::{ParaHead, ParaHeadsProof, ParaId}; | ||
| use bp_runtime::StorageProofSize; | ||
| use codec::Encode; | ||
| use frame_support::traits::Get; | ||
| use pallet_bridge_parachains::{RelayBlockHash, RelayBlockHasher}; | ||
| use sp_std::prelude::*; | ||
| use sp_trie::{record_all_keys, trie_types::TrieDBMutV1, LayoutV1, MemoryDB, Recorder, TrieMut}; | ||
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| /// Prepare proof of messages for the `receive_messages_proof` call. | ||
| /// | ||
| /// In addition to returning valid messages proof, environment is prepared to verify this message | ||
| /// proof. | ||
| pub fn prepare_parachain_heads_proof<R, PI>( | ||
| parachains: &[ParaId], | ||
| parachain_head_size: u32, | ||
| size: StorageProofSize, | ||
| ) -> (RelayBlockHash, ParaHeadsProof) | ||
| where | ||
| R: pallet_bridge_parachains::Config<PI> | ||
| + pallet_bridge_grandpa::Config<R::BridgesGrandpaPalletInstance>, | ||
| PI: 'static, | ||
| <R as pallet_bridge_grandpa::Config<R::BridgesGrandpaPalletInstance>>::BridgedChain: | ||
| bp_runtime::Chain<Hash = RelayBlockHash>, | ||
| { | ||
| let parachain_head = ParaHead(vec![0u8; parachain_head_size as usize]); | ||
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| // insert all heads to the trie | ||
| let mut storage_keys = Vec::with_capacity(parachains.len()); | ||
| let mut state_root = Default::default(); | ||
| let mut mdb = MemoryDB::default(); | ||
| { | ||
| let mut trie = TrieDBMutV1::<RelayBlockHasher>::new(&mut mdb, &mut state_root); | ||
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| // insert parachain heads | ||
| for parachain in parachains { | ||
| let storage_key = | ||
| parachain_head_storage_key_at_source(R::ParasPalletName::get(), *parachain); | ||
| trie.insert(&storage_key.0, ¶chain_head.encode()) | ||
| .map_err(|_| "TrieMut::insert has failed") | ||
| .expect("TrieMut::insert should not fail in benchmarks"); | ||
| storage_keys.push(storage_key); | ||
| } | ||
| } | ||
| state_root = grow_trie(state_root, &mut mdb, size); | ||
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| // generate heads storage proof | ||
| let mut proof_recorder = Recorder::<RelayBlockHash>::new(); | ||
| record_all_keys::<LayoutV1<RelayBlockHasher>, _>(&mdb, &state_root, &mut proof_recorder) | ||
| .map_err(|_| "record_all_keys has failed") | ||
| .expect("record_all_keys should not fail in benchmarks"); | ||
| let proof = proof_recorder.drain().into_iter().map(|n| n.data.to_vec()).collect(); | ||
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| let relay_block_hash = | ||
| insert_header_to_grandpa_pallet::<R, R::BridgesGrandpaPalletInstance>(state_root); | ||
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| (relay_block_hash, ParaHeadsProof(proof)) | ||
| } |
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