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Adds babe rpc support (#4729)

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* babe_epochAuthorship
remove test-helpers from sp-keyring, bump spec_version, impl_version

* bump Cargo.lock

* add BabeRPC to node-rpc

* rename to BabeApi, remove err_derive

* pass &ServiceBuilder to with_rpc_extensions callback

* sc-consensus-babe-rpc

* Update client/consensus/babe/src/lib.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Better docs, code style chanegs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* new line at the end of Cargo.toml

Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
Co-authored-by: André Silva <andre.beat@gmail.com>
This commit is contained in:
Seun Lanlege
2020-02-17 19:05:30 +01:00
committed by GitHub
parent ab47ee226a
commit 5567d18b6a
16 changed files with 489 additions and 68 deletions
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substrate/bin/node/rpc/src/lib.rs
+95 -38
View File
@@ -29,73 +29,130 @@
#![warn(missing_docs)]
use std::sync::Arc;
use std::{sync::Arc, fmt};
use node_primitives::{Block, BlockNumber, AccountId, Index, Balance};
use node_runtime::UncheckedExtrinsic;
use sp_api::ProvideRuntimeApi;
use sp_transaction_pool::TransactionPool;
use sp_blockchain::{Error as BlockChainError, HeaderMetadata, HeaderBackend};
use sp_consensus::SelectChain;
use sc_keystore::KeyStorePtr;
use sp_consensus_babe::BabeApi;
use sc_consensus_epochs::SharedEpochChanges;
use sc_consensus_babe::{Config, Epoch};
use sc_consensus_babe_rpc::BabeRPCHandler;
/// Light client extra dependencies.
pub struct LightDeps<F> {
pub struct LightDeps<C, F, P> {
/// The client instance to use.
pub client: Arc<C>,
/// Transaction pool instance.
pub pool: Arc<P>,
/// Remote access to the blockchain (async).
pub remote_blockchain: Arc<dyn sc_client::light::blockchain::RemoteBlockchain<Block>>,
/// Fetcher instance.
pub fetcher: Arc<F>,
}
impl<F> LightDeps<F> {
/// Create empty `LightDeps` with given `F` type.
///
/// This is a convenience method to be used in the service builder,
/// to make sure the type of the `LightDeps<F>` is matching.
pub fn none(_: Option<Arc<F>>) -> Option<Self> {
None
}
/// Extra dependencies for BABE.
pub struct BabeDeps {
/// BABE protocol config.
pub babe_config: Config,
/// BABE pending epoch changes.
pub shared_epoch_changes: SharedEpochChanges<Block, Epoch>,
/// The keystore that manages the keys of the node.
pub keystore: KeyStorePtr,
}
/// Instantiate all RPC extensions.
///
/// If you provide `LightDeps`, the system is configured for light client.
pub fn create<C, P, M, F>(
client: Arc<C>,
pool: Arc<P>,
light_deps: Option<LightDeps<F>>,
/// Full client dependencies.
pub struct FullDeps<C, P, SC> {
/// The client instance to use.
pub client: Arc<C>,
/// Transaction pool instance.
pub pool: Arc<P>,
/// The SelectChain Strategy
pub select_chain: SC,
/// BABE specific dependencies.
pub babe: BabeDeps,
}
/// Instantiate all Full RPC extensions.
pub fn create_full<C, P, M, SC>(
deps: FullDeps<C, P, SC>,
) -> jsonrpc_core::IoHandler<M> where
C: ProvideRuntimeApi<Block>,
C: sc_client::blockchain::HeaderBackend<Block>,
C: HeaderBackend<Block> + HeaderMetadata<Block, Error=BlockChainError> + 'static,
C: Send + Sync + 'static,
C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>,
C::Api: pallet_contracts_rpc::ContractsRuntimeApi<Block, AccountId, Balance, BlockNumber>,
C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance, UncheckedExtrinsic>,
F: sc_client::light::fetcher::Fetcher<Block> + 'static,
C::Api: BabeApi<Block>,
<C::Api as sp_api::ApiErrorExt>::Error: fmt::Debug,
P: TransactionPool + 'static,
M: jsonrpc_core::Metadata + Default,
SC: SelectChain<Block> +'static,
{
use substrate_frame_rpc_system::{FullSystem, LightSystem, SystemApi};
use substrate_frame_rpc_system::{FullSystem, SystemApi};
use pallet_contracts_rpc::{Contracts, ContractsApi};
use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};
let mut io = jsonrpc_core::IoHandler::default();
let FullDeps {
client,
pool,
select_chain,
babe
} = deps;
let BabeDeps {
keystore,
babe_config,
shared_epoch_changes,
} = babe;
if let Some(LightDeps { remote_blockchain, fetcher }) = light_deps {
io.extend_with(
SystemApi::<AccountId, Index>::to_delegate(LightSystem::new(client, remote_blockchain, fetcher, pool))
);
} else {
io.extend_with(
SystemApi::to_delegate(FullSystem::new(client.clone(), pool))
);
io.extend_with(
SystemApi::to_delegate(FullSystem::new(client.clone(), pool))
);
// Making synchronous calls in light client freezes the browser currently,
// more context: https://github.com/paritytech/substrate/pull/3480
// These RPCs should use an asynchronous caller instead.
io.extend_with(
ContractsApi::to_delegate(Contracts::new(client.clone()))
);
io.extend_with(
TransactionPaymentApi::to_delegate(TransactionPayment::new(client.clone()))
);
io.extend_with(
sc_consensus_babe_rpc::BabeApi::to_delegate(
BabeRPCHandler::new(client, shared_epoch_changes, keystore, babe_config, select_chain)
)
);
io
}
/// Instantiate all Light RPC extensions.
pub fn create_light<C, P, M, F>(
deps: LightDeps<C, F, P>,
) -> jsonrpc_core::IoHandler<M> where
C: sc_client::blockchain::HeaderBackend<Block>,
C: Send + Sync + 'static,
F: sc_client::light::fetcher::Fetcher<Block> + 'static,
P: TransactionPool + 'static,
M: jsonrpc_core::Metadata + Default,
{
use substrate_frame_rpc_system::{LightSystem, SystemApi};
let LightDeps {
client,
pool,
remote_blockchain,
fetcher
} = deps;
let mut io = jsonrpc_core::IoHandler::default();
io.extend_with(
SystemApi::<AccountId, Index>::to_delegate(LightSystem::new(client, remote_blockchain, fetcher, pool))
);
// Making synchronous calls in light client freezes the browser currently,
// more context: https://github.com/paritytech/substrate/pull/3480
// These RPCs should use an asynchronous caller instead.
io.extend_with(
ContractsApi::to_delegate(Contracts::new(client.clone()))
);
io.extend_with(
TransactionPaymentApi::to_delegate(TransactionPayment::new(client))
);
}
io
}