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use tower::{timeout::Timeout, Service, ServiceExt};
use zebra_network as zn;
use tokio::sync::watch;
use zebra_chain::transaction::UnminedTxId;
use std::collections::HashSet;
use crate::BoxError;
use crate::components::sync::TIPS_RESPONSE_TIMEOUT;
pub async fn gossip_mempool_transaction_id<ZN>(
mut receiver: watch::Receiver<HashSet<UnminedTxId>>,
broadcast_network: ZN,
) -> Result<(), BoxError>
where
ZN: Service<zn::Request, Response = zn::Response, Error = BoxError> + Send + Clone + 'static,
ZN::Future: Send,
{
info!("initializing transaction gossip task");
let mut broadcast_network = Timeout::new(broadcast_network, TIPS_RESPONSE_TIMEOUT);
loop {
receiver.changed().await?;
let txs = receiver.borrow().clone();
let txs_len = txs.len();
let request = zn::Request::AdvertiseTransactionIds(txs);
info!(?request, "sending mempool transaction broadcast");
let _ = broadcast_network.ready().await?.call(request).await;
metrics::counter!("mempool.gossiped.transactions.total", txs_len as u64);
}
}