mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-06 23:07:22 +00:00
Arkadiy Paronyan
1aeb2825af
* Refactored Slicable * Docs * Wasm build * Wasm build * Renamed traits * Review nits * Renamed Slicable as well
105 lines
3.6 KiB
Rust
105 lines
3.6 KiB
Rust
// Copyright 2017 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot 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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// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Strongly typed API for light Polkadot client.
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use std::sync::Arc;
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use client::backend::{Backend, RemoteBackend};
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use client::{Client, CallExecutor};
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use codec::Decode;
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use primitives::{AccountId, Block, BlockId, Hash, Index, SessionKey, Timestamp, UncheckedExtrinsic};
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use runtime::Address;
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use primitives::parachain::{CandidateReceipt, DutyRoster, Id as ParaId};
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use {PolkadotApi, BlockBuilder, RemotePolkadotApi, Result, ErrorKind};
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/// Light block builder. TODO: make this work (efficiently)
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#[derive(Clone, Copy)]
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pub struct LightBlockBuilder;
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impl BlockBuilder for LightBlockBuilder {
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fn push_extrinsic(&mut self, _xt: UncheckedExtrinsic) -> Result<()> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn bake(self) -> Result<Block> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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}
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/// Remote polkadot API implementation.
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pub struct RemotePolkadotApiWrapper<B: Backend<Block>, E: CallExecutor<Block>>(pub Arc<Client<B, E, Block>>);
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impl<B: Backend<Block>, E: CallExecutor<Block>> PolkadotApi for RemotePolkadotApiWrapper<B, E> {
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type BlockBuilder = LightBlockBuilder;
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fn session_keys(&self, at: &BlockId) -> Result<Vec<SessionKey>> {
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self.0.executor().call(at, "authorities", &[])
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.and_then(|r| Vec::<SessionKey>::decode(&mut &r.return_data[..])
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.ok_or("error decoding session keys".into()))
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.map_err(Into::into)
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}
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fn validators(&self, _at: &BlockId) -> Result<Vec<AccountId>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn random_seed(&self, _at: &BlockId) -> Result<Hash> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn duty_roster(&self, _at: &BlockId) -> Result<DutyRoster> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn timestamp(&self, _at: &BlockId) -> Result<Timestamp> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn evaluate_block(&self, _at: &BlockId, _block: Block) -> Result<bool> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn index(&self, _at: &BlockId, _account: AccountId) -> Result<Index> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn lookup(&self, _at: &BlockId, _address: Address) -> Result<Option<AccountId>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn active_parachains(&self, _at: &BlockId) -> Result<Vec<ParaId>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn parachain_code(&self, _at: &BlockId, _parachain: ParaId) -> Result<Option<Vec<u8>>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn parachain_head(&self, _at: &BlockId, _parachain: ParaId) -> Result<Option<Vec<u8>>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn build_block(&self, _at: &BlockId, _timestamp: Timestamp, _new_heads: Vec<CandidateReceipt>) -> Result<Self::BlockBuilder> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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fn inherent_extrinsics(&self, _at: &BlockId, _timestamp: Timestamp, _new_heads: Vec<CandidateReceipt>) -> Result<Vec<Vec<u8>>> {
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Err(ErrorKind::UnknownRuntime.into())
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}
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}
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impl<B: RemoteBackend<Block>, E: CallExecutor<Block>> RemotePolkadotApi for RemotePolkadotApiWrapper<B, E> {}
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