-
Notifications
You must be signed in to change notification settings - Fork 1
/
service.rs
340 lines (299 loc) · 10.5 KB
/
service.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.
use node_template_runtime::{self, opaque::Block, RuntimeApi};
use sc_client_api::{BlockBackend, ExecutorProvider};
use sc_consensus_aura::{ImportQueueParams, SlotProportion, StartAuraParams};
pub use sc_executor::NativeElseWasmExecutor;
use sc_finality_grandpa::SharedVoterState;
use sc_keystore::LocalKeystore;
use sc_service::{error::Error as ServiceError, Configuration, TaskManager};
use sc_telemetry::{Telemetry, TelemetryWorker};
use sp_consensus_aura::sr25519::AuthorityPair as AuraPair;
use std::{sync::Arc, time::Duration};
// Our native executor instance.
pub struct ExecutorDispatch;
impl sc_executor::NativeExecutionDispatch for ExecutorDispatch {
/// Only enable the benchmarking host functions when we actually want to benchmark.
#[cfg(feature = "runtime-benchmarks")]
type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;
/// Otherwise we only use the default Substrate host functions.
#[cfg(not(feature = "runtime-benchmarks"))]
type ExtendHostFunctions = ();
fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {
node_template_runtime::api::dispatch(method, data)
}
fn native_version() -> sc_executor::NativeVersion {
node_template_runtime::native_version()
}
}
pub(crate) type FullClient =
sc_service::TFullClient<Block, RuntimeApi, NativeElseWasmExecutor<ExecutorDispatch>>;
type FullBackend = sc_service::TFullBackend<Block>;
type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;
pub fn new_partial(
config: &Configuration,
) -> Result<
sc_service::PartialComponents<
FullClient,
FullBackend,
FullSelectChain,
sc_consensus::DefaultImportQueue<Block, FullClient>,
sc_transaction_pool::FullPool<Block, FullClient>,
(
sc_finality_grandpa::GrandpaBlockImport<
FullBackend,
Block,
FullClient,
FullSelectChain,
>,
sc_finality_grandpa::LinkHalf<Block, FullClient, FullSelectChain>,
Option<Telemetry>,
),
>,
ServiceError,
> {
if config.keystore_remote.is_some() {
return Err(ServiceError::Other("Remote Keystores are not supported.".into()));
}
let telemetry = config
.telemetry_endpoints
.clone()
.filter(|x| !x.is_empty())
.map(|endpoints| -> Result<_, sc_telemetry::Error> {
let worker = TelemetryWorker::new(16)?;
let telemetry = worker.handle().new_telemetry(endpoints);
Ok((worker, telemetry))
})
.transpose()?;
let executor = NativeElseWasmExecutor::<ExecutorDispatch>::new(
config.wasm_method,
config.default_heap_pages,
config.max_runtime_instances,
config.runtime_cache_size,
);
let (client, backend, keystore_container, task_manager) =
sc_service::new_full_parts::<Block, RuntimeApi, _>(
&config,
telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),
executor,
)?;
let client = Arc::new(client);
let telemetry = telemetry.map(|(worker, telemetry)| {
task_manager.spawn_handle().spawn("telemetry", None, worker.run());
telemetry
});
let select_chain = sc_consensus::LongestChain::new(backend.clone());
let transaction_pool = sc_transaction_pool::BasicPool::new_full(
config.transaction_pool.clone(),
config.role.is_authority().into(),
config.prometheus_registry(),
task_manager.spawn_essential_handle(),
client.clone(),
);
// let (grandpa_block_import, grandpa_link) = sc_finality_grandpa::block_import(
// client.clone(),
// &(client.clone() as Arc<_>),
// select_chain.clone(),
// telemetry.as_ref().map(|x| x.handle()),
// )?;
// let slot_duration = sc_consensus_aura::slot_duration(&*client)?;
// let import_queue =
// sc_consensus_aura::import_queue::<AuraPair, _, _, _, _, _, _>(ImportQueueParams {
// block_import: grandpa_block_import.clone(),
// justification_import: Some(Box::new(grandpa_block_import.clone())),
// client: client.clone(),
// create_inherent_data_providers: move |_, ()| async move {
// let timestamp = sp_timestamp::InherentDataProvider::from_system_time();
// let slot =
// sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(
// *timestamp,
// slot_duration,
// );
// Ok((timestamp, slot))
// },
// spawner: &task_manager.spawn_essential_handle(),
// can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(
// client.executor().clone(),
// ),
// registry: config.prometheus_registry(),
// check_for_equivocation: Default::default(),
// telemetry: telemetry.as_ref().map(|x| x.handle()),
// })?;
Ok(sc_service::PartialComponents {
client,
backend,
task_manager,
import_queue,
keystore_container,
select_chain,
transaction_pool,
other: (grandpa_block_import, grandpa_link, telemetry),
})
}
fn remote_keystore(_url: &String) -> Result<Arc<LocalKeystore>, &'static str> {
// FIXME: here would the concrete keystore be built,
// must return a concrete type (NOT `LocalKeystore`) that
// implements `CryptoStore` and `SyncCryptoStore`
Err("Remote Keystore not supported.")
}
/// Builds a new service for a full client.
pub fn new_full(mut config: Configuration) -> Result<TaskManager, ServiceError> {
let sc_service::PartialComponents {
client,
backend,
mut task_manager,
import_queue,
mut keystore_container,
select_chain,
transaction_pool,
other: (block_import, grandpa_link, mut telemetry),
} = new_partial(&config)?;
if let Some(url) = &config.keystore_remote {
match remote_keystore(url) {
Ok(k) => keystore_container.set_remote_keystore(k),
Err(e) => {
return Err(ServiceError::Other(format!(
"Error hooking up remote keystore for {}: {}",
url, e
)))
},
};
}
let grandpa_protocol_name = sc_finality_grandpa::protocol_standard_name(
&client.block_hash(0).ok().flatten().expect("Genesis block exists; qed"),
&config.chain_spec,
);
// config
// .network
// .extra_sets
// .push(sc_finality_grandpa::grandpa_peers_set_config(grandpa_protocol_name.clone()));
// let warp_sync = Arc::new(sc_finality_grandpa::warp_proof::NetworkProvider::new(
// backend.clone(),
// grandpa_link.shared_authority_set().clone(),
// Vec::default(),
// ));
let (network, system_rpc_tx, network_starter) =
sc_service::build_network(sc_service::BuildNetworkParams {
config: &config,
client: client.clone(),
transaction_pool: transaction_pool.clone(),
spawn_handle: task_manager.spawn_handle(),
import_queue,
block_announce_validator_builder: None,
warp_sync: Some(warp_sync),
})?;
if config.offchain_worker.enabled {
sc_service::build_offchain_workers(
&config,
task_manager.spawn_handle(),
client.clone(),
network.clone(),
);
}
let role = config.role.clone();
let force_authoring = config.force_authoring;
let backoff_authoring_blocks: Option<()> = None;
let name = config.network.node_name.clone();
let enable_grandpa = !config.disable_grandpa;
let prometheus_registry = config.prometheus_registry().cloned();
let rpc_extensions_builder = {
let client = client.clone();
let pool = transaction_pool.clone();
Box::new(move |deny_unsafe, _| {
let deps =
crate::rpc::FullDeps { client: client.clone(), pool: pool.clone(), deny_unsafe };
Ok(crate::rpc::create_full(deps))
})
};
let _rpc_handlers = sc_service::spawn_tasks(sc_service::SpawnTasksParams {
network: network.clone(),
client: client.clone(),
keystore: keystore_container.sync_keystore(),
task_manager: &mut task_manager,
transaction_pool: transaction_pool.clone(),
rpc_extensions_builder,
backend,
system_rpc_tx,
config,
telemetry: telemetry.as_mut(),
})?;
if role.is_authority() {
let proposer_factory = sc_basic_authorship::ProposerFactory::new(
task_manager.spawn_handle(),
client.clone(),
transaction_pool,
prometheus_registry.as_ref(),
telemetry.as_ref().map(|x| x.handle()),
);
let can_author_with =
sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone());
// let slot_duration = sc_consensus_aura::slot_duration(&*client)?;
let aura = sc_consensus_aura::start_aura::<AuraPair, _, _, _, _, _, _, _, _, _, _, _>(
StartAuraParams {
slot_duration,
client: client.clone(),
select_chain,
block_import,
proposer_factory,
create_inherent_data_providers: move |_, ()| async move {
let timestamp = sp_timestamp::InherentDataProvider::from_system_time();
let slot =
sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(
*timestamp,
slot_duration,
);
Ok((timestamp, slot))
},
force_authoring,
backoff_authoring_blocks,
keystore: keystore_container.sync_keystore(),
can_author_with,
sync_oracle: network.clone(),
justification_sync_link: network.clone(),
block_proposal_slot_portion: SlotProportion::new(2f32 / 3f32),
max_block_proposal_slot_portion: None,
telemetry: telemetry.as_ref().map(|x| x.handle()),
},
)?;
}
// if the node isn't actively participating in consensus then it doesn't
// need a keystore, regardless of which protocol we use below.
let keystore =
if role.is_authority() { Some(keystore_container.sync_keystore()) } else { None };
// let grandpa_config = sc_finality_grandpa::Config {
// // FIXME #1578 make this available through chainspec
// gossip_duration: Duration::from_millis(333),
// justification_period: 512,
// name: Some(name),
// observer_enabled: false,
// keystore,
// local_role: role,
// telemetry: telemetry.as_ref().map(|x| x.handle()),
// protocol_name: grandpa_protocol_name,
// };
// if enable_grandpa {
// // start the full GRANDPA voter
// // NOTE: non-authorities could run the GRANDPA observer protocol, but at
// // this point the full voter should provide better guarantees of block
// // and vote data availability than the observer. The observer has not
// // been tested extensively yet and having most nodes in a network run it
// // could lead to finality stalls.
// let grandpa_config = sc_finality_grandpa::GrandpaParams {
// config: grandpa_config,
// link: grandpa_link,
// network,
// voting_rule: sc_finality_grandpa::VotingRulesBuilder::default().build(),
// prometheus_registry,
// shared_voter_state: SharedVoterState::empty(),
// telemetry: telemetry.as_ref().map(|x| x.handle()),
// };
// the GRANDPA voter task is considered infallible, i.e.
// if it fails we take down the service with it.
task_manager.spawn_essential_handle().spawn_blocking(
"grandpa-voter",
None,
sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
);
}
network_starter.start_network();
Ok(task_manager)
}