mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-23 21:21:06 +00:00
Tomasz Drwięga
4e3eace15f
* Avoid excessive hashing. Store extrinsic len. * Implement pool limits. * Fix issues. * Make sure we return error in case it doesn't make into the pool. * Pass parameters from CLI. * Remove redundant todo. * Fix tests.
84 lines
2.4 KiB
Rust
84 lines
2.4 KiB
Rust
// Copyright 2018 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Chain api required for the transaction pool.
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use std::{
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sync::Arc,
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marker::PhantomData,
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};
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use client::{runtime_api::TaggedTransactionQueue, blockchain::HeaderBackend};
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use parity_codec::Encode;
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use txpool;
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use substrate_primitives::{
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H256,
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Blake2Hasher,
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Hasher,
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};
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use sr_primitives::{
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generic::BlockId,
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traits,
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transaction_validity::TransactionValidity,
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};
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use crate::error;
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/// The transaction pool logic
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pub struct ChainApi<T, Block> {
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client: Arc<T>,
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_marker: PhantomData<Block>,
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}
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impl<T, Block> ChainApi<T, Block> where
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Block: traits::Block,
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T: traits::ProvideRuntimeApi + HeaderBackend<Block> {
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/// Create new transaction pool logic.
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pub fn new(client: Arc<T>) -> Self {
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ChainApi {
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client,
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_marker: Default::default()
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}
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}
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}
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impl<T, Block> txpool::ChainApi for ChainApi<T, Block> where
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Block: traits::Block<Hash=H256>,
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T: traits::ProvideRuntimeApi + HeaderBackend<Block>,
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T::Api: TaggedTransactionQueue<Block>
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{
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type Block = Block;
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type Hash = H256;
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type Error = error::Error;
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fn validate_transaction(&self, at: &BlockId<Self::Block>, uxt: txpool::ExtrinsicFor<Self>) -> error::Result<TransactionValidity> {
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Ok(self.client.runtime_api().validate_transaction(at, uxt)?)
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}
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fn block_id_to_number(&self, at: &BlockId<Self::Block>) -> error::Result<Option<txpool::NumberFor<Self>>> {
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Ok(self.client.block_number_from_id(at)?)
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}
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fn block_id_to_hash(&self, at: &BlockId<Self::Block>) -> error::Result<Option<txpool::BlockHash<Self>>> {
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Ok(self.client.block_hash_from_id(at)?)
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}
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fn hash_and_length(&self, ex: &txpool::ExtrinsicFor<Self>) -> (Self::Hash, usize) {
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ex.using_encoded(|x| {
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(Blake2Hasher::hash(x), x.len())
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})
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}
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}
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