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use crate::job_declarator::JobDeclarator; | ||
use async_channel::{bounded, unbounded, Receiver, Sender}; | ||
use error_handling::handle_result; | ||
use roles_logic_sv2::utils::Mutex; | ||
use std::{ops::Sub, sync::Arc}; | ||
use tokio::{select, task}; | ||
use tracing::{error, info, warn}; | ||
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use crate::{ | ||
mempool::{self, error::JdsMempoolError}, | ||
status, Configuration, | ||
}; | ||
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pub struct JDServer { | ||
config: Configuration, | ||
} | ||
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impl JDServer { | ||
pub fn new(config: Configuration) -> Self { | ||
Self { config } | ||
} | ||
pub async fn start(&self) { | ||
let config = self.config.clone(); | ||
let url = config.core_rpc_url.clone() + ":" + &config.core_rpc_port.clone().to_string(); | ||
let username = config.core_rpc_user.clone(); | ||
let password = config.core_rpc_pass.clone(); | ||
// TODO should we manage what to do when the limit is reaced? | ||
let (new_block_sender, new_block_receiver): (Sender<String>, Receiver<String>) = | ||
bounded(10); | ||
let mempool = Arc::new(Mutex::new(mempool::JDsMempool::new( | ||
url.clone(), | ||
username, | ||
password, | ||
new_block_receiver, | ||
))); | ||
let mempool_update_interval = config.mempool_update_interval; | ||
let mempool_cloned_ = mempool.clone(); | ||
let (status_tx, status_rx) = unbounded(); | ||
let sender = status::Sender::Downstream(status_tx.clone()); | ||
let mut last_empty_mempool_warning = | ||
std::time::Instant::now().sub(std::time::Duration::from_secs(60)); | ||
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// TODO if the jd-server is launched with core_rpc_url empty, the following flow is never | ||
// taken. Consequentally new_block_receiver in JDsMempool::on_submit is never read, possibly | ||
// reaching the channel bound. The new_block_sender is given as input to JobDeclarator::start() | ||
if url.contains("http") { | ||
let sender_update_mempool = sender.clone(); | ||
task::spawn(async move { | ||
loop { | ||
let update_mempool_result: Result<(), mempool::error::JdsMempoolError> = | ||
mempool::JDsMempool::update_mempool(mempool_cloned_.clone()).await; | ||
if let Err(err) = update_mempool_result { | ||
match err { | ||
JdsMempoolError::EmptyMempool => { | ||
if last_empty_mempool_warning.elapsed().as_secs() >= 60 { | ||
warn!("{:?}", err); | ||
warn!("Template Provider is running, but its mempool is empty (possible reasons: you're testing in testnet, signet, or regtest)"); | ||
last_empty_mempool_warning = std::time::Instant::now(); | ||
} | ||
} | ||
JdsMempoolError::NoClient => { | ||
mempool::error::handle_error(&err); | ||
handle_result!(sender_update_mempool, Err(err)); | ||
} | ||
JdsMempoolError::Rpc(_) => { | ||
mempool::error::handle_error(&err); | ||
handle_result!(sender_update_mempool, Err(err)); | ||
} | ||
JdsMempoolError::PoisonLock(_) => { | ||
mempool::error::handle_error(&err); | ||
handle_result!(sender_update_mempool, Err(err)); | ||
} | ||
} | ||
} | ||
tokio::time::sleep(mempool_update_interval).await; | ||
// DO NOT REMOVE THIS LINE | ||
//let _transactions = mempool::JDsMempool::_get_transaction_list(mempool_cloned_.clone()); | ||
} | ||
}); | ||
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let mempool_cloned = mempool.clone(); | ||
let sender_submit_solution = sender.clone(); | ||
task::spawn(async move { | ||
loop { | ||
let result = mempool::JDsMempool::on_submit(mempool_cloned.clone()).await; | ||
if let Err(err) = result { | ||
match err { | ||
JdsMempoolError::EmptyMempool => { | ||
if last_empty_mempool_warning.elapsed().as_secs() >= 60 { | ||
warn!("{:?}", err); | ||
warn!("Template Provider is running, but its mempool is empty (possible reasons: you're testing in testnet, signet, or regtest)"); | ||
last_empty_mempool_warning = std::time::Instant::now(); | ||
} | ||
} | ||
_ => { | ||
// TODO here there should be a better error managmenet | ||
mempool::error::handle_error(&err); | ||
handle_result!(sender_submit_solution, Err(err)); | ||
} | ||
} | ||
} | ||
} | ||
}); | ||
}; | ||
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let cloned = config.clone(); | ||
let mempool_cloned = mempool.clone(); | ||
let (sender_add_txs_to_mempool, receiver_add_txs_to_mempool) = unbounded(); | ||
task::spawn(async move { | ||
JobDeclarator::start( | ||
cloned, | ||
sender, | ||
mempool_cloned, | ||
new_block_sender, | ||
sender_add_txs_to_mempool, | ||
) | ||
.await | ||
}); | ||
task::spawn(async move { | ||
loop { | ||
if let Ok(add_transactions_to_mempool) = receiver_add_txs_to_mempool.recv().await { | ||
let mempool_cloned = mempool.clone(); | ||
task::spawn(async move { | ||
match mempool::JDsMempool::add_tx_data_to_mempool( | ||
mempool_cloned, | ||
add_transactions_to_mempool, | ||
) | ||
.await | ||
{ | ||
Ok(_) => (), | ||
Err(err) => { | ||
// TODO | ||
// here there should be a better error management | ||
mempool::error::handle_error(&err); | ||
} | ||
} | ||
}); | ||
} | ||
} | ||
}); | ||
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// Start the error handling loop | ||
// See `./status.rs` and `utils/error_handling` for information on how this operates | ||
loop { | ||
let task_status = select! { | ||
task_status = status_rx.recv() => task_status, | ||
interrupt_signal = tokio::signal::ctrl_c() => { | ||
match interrupt_signal { | ||
Ok(()) => { | ||
info!("Interrupt received"); | ||
}, | ||
Err(err) => { | ||
error!("Unable to listen for interrupt signal: {}", err); | ||
// we also shut down in case of error | ||
}, | ||
} | ||
break; | ||
} | ||
}; | ||
let task_status: status::Status = task_status.unwrap(); | ||
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match task_status.state { | ||
// Should only be sent by the downstream listener | ||
status::State::DownstreamShutdown(err) => { | ||
error!( | ||
"SHUTDOWN from Downstream: {}\nTry to restart the downstream listener", | ||
err | ||
); | ||
} | ||
status::State::TemplateProviderShutdown(err) => { | ||
error!("SHUTDOWN from Upstream: {}\nTry to reconnecting or connecting to a new upstream", err); | ||
break; | ||
} | ||
status::State::Healthy(msg) => { | ||
info!("HEALTHY message: {}", msg); | ||
} | ||
status::State::DownstreamInstanceDropped(downstream_id) => { | ||
warn!("Dropping downstream instance {} from jds", downstream_id); | ||
} | ||
} | ||
} | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -1,3 +1,4 @@ | ||
pub mod core; | ||
pub mod error; | ||
pub mod job_declarator; | ||
pub mod mempool; | ||
|
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