Files
pezkuwi-subxt/substrate/core/client/src/light/mod.rs
T
Marcio Diaz b8bd49961a Adds new execution strategy nativeElseWasm (#1546)
* fix: adds new execution strategy nativeElseWasm and replace nativeWhenPossible with it

* feat: adds cmd line params for execution strategies

* fix: uses of cmd line execution strategies

* chore: remove white spaces

* chore: remove println

* chore: remove whitespace

* fix: generating functions with context

* feat: add function to generate with_context declarations

* fix: add implementation for with_context function calls

* fix: add execution context to call_api_at function

* fix: making use of context to select strategy for block_builder

* chore: cleaning up

* fix: merging issues

* fix tests

* add wasm files

* chore: small doc for context fields

* chore: delete redundant docs

* fix: use full path for ExecutionContext

* fix: add context functions from inside fold_item_impl

* chore: remove clone

* fix: moving generative function to utils, remove unused imports

* fix: add missing full path for ExecutionContext

* fix: merge issues

* update wasm files

* fix: update to keep up with changes in master

* chore: remove unused functions, clean up

* fix test

* fix grumbles

* fix: add more tests

* fix: some refactorings

* feat: add execution strategy to call

* chore: small improvements

* fix: add message to panic

* fix tests
2019-02-11 15:22:44 +01:00

91 lines
3.0 KiB
Rust

// Copyright 2017-2018 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate 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.
// Substrate 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.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Light client components.
pub mod backend;
pub mod blockchain;
pub mod call_executor;
pub mod fetcher;
use std::sync::Arc;
use executor::RuntimeInfo;
use primitives::{H256, Blake2Hasher};
use runtime_primitives::BuildStorage;
use runtime_primitives::traits::Block as BlockT;
use state_machine::CodeExecutor;
use crate::call_executor::LocalCallExecutor;
use crate::client::Client;
use crate::error::Result as ClientResult;
use crate::light::backend::Backend;
use crate::light::blockchain::{Blockchain, Storage as BlockchainStorage};
use crate::light::call_executor::{RemoteCallExecutor, RemoteOrLocalCallExecutor};
use crate::light::fetcher::{Fetcher, LightDataChecker};
/// Create an instance of light client blockchain backend.
pub fn new_light_blockchain<B: BlockT, S: BlockchainStorage<B>, F>(storage: S) -> Arc<Blockchain<S, F>> {
Arc::new(Blockchain::new(storage))
}
/// Create an instance of light client backend.
pub fn new_light_backend<B, S, F>(blockchain: Arc<Blockchain<S, F>>, fetcher: Arc<F>) -> Arc<Backend<S, F, Blake2Hasher>>
where
B: BlockT,
S: BlockchainStorage<B>,
F: Fetcher<B>,
{
blockchain.set_fetcher(Arc::downgrade(&fetcher));
Arc::new(Backend::new(blockchain))
}
/// Create an instance of light client.
pub fn new_light<B, S, F, GS, RA, E>(
backend: Arc<Backend<S, F, Blake2Hasher>>,
fetcher: Arc<F>,
genesis_storage: GS,
code_executor: E,
) -> ClientResult<Client<Backend<S, F, Blake2Hasher>, RemoteOrLocalCallExecutor<
B,
Backend<S, F, Blake2Hasher>,
RemoteCallExecutor<Blockchain<S, F>, F>,
LocalCallExecutor<Backend<S, F, Blake2Hasher>, E>
>, B, RA>>
where
B: BlockT<Hash=H256>,
S: BlockchainStorage<B>,
F: Fetcher<B>,
GS: BuildStorage,
E: CodeExecutor<Blake2Hasher> + RuntimeInfo,
{
let remote_executor = RemoteCallExecutor::new(backend.blockchain().clone(), fetcher);
let local_executor = LocalCallExecutor::new(backend.clone(), code_executor);
let executor = RemoteOrLocalCallExecutor::new(backend.clone(), remote_executor, local_executor);
Client::new(backend, executor, genesis_storage, Default::default())
}
/// Create an instance of fetch data checker.
pub fn new_fetch_checker<E, B: BlockT, S: BlockchainStorage<B>, F>(
blockchain: Arc<Blockchain<S, F>>,
executor: E,
) -> LightDataChecker<E, Blake2Hasher, B, S, F>
where
E: CodeExecutor<Blake2Hasher>,
{
LightDataChecker::new(blockchain, executor)
}