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refactor(network): simplify local state mini-protocol implementation (#326)

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Santiago Carmuega 2023-11-09 21:47:24 -03:00 • committed by GitHub
parent aae7d92b44
commit e0f9f14dea
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11 changed files with 599 additions and 547 deletions
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38
examples/n2c-miniprotocols/src/main.rs
View file

@ -1,19 +1,30 @@
use pallas::network::{
facades::NodeClient,
miniprotocols::{chainsync, localstate, Point, MAINNET_MAGIC},
miniprotocols::{chainsync, localstate::queries_v16, Point, PRE_PRODUCTION_MAGIC},
};
use tracing::info;
async fn do_localstate_query(client: &mut NodeClient) {
client.statequery().acquire(None).await.unwrap();
let client = client.statequery();
let result = client
.statequery()
.query(localstate::queries::Request::GetSystemStart)
client.acquire(None).await.unwrap();
let result = queries_v16::get_chain_point(client).await.unwrap();
info!("result: {:?}", result);
let result = queries_v16::get_system_start(client).await.unwrap();
info!("result: {:?}", result);
let era = queries_v16::get_current_era(client).await.unwrap();
info!("result: {:?}", era);
let result = queries_v16::get_block_epoch_number(client, era)
.await
.unwrap();
info!("system start result: {:?}", result);
info!("result: {:?}", result);
client.send_release().await.unwrap();
}
async fn do_chainsync(client: &mut NodeClient) {
@ -43,6 +54,10 @@ async fn do_chainsync(client: &mut NodeClient) {
}
}
// change the following to match the Cardano node socket in your local
// environment
const SOCKET_PATH: &str = "/tmp/node.socket";
#[cfg(target_family = "unix")]
#[tokio::main]
async fn main() {
@ -55,15 +70,7 @@ async fn main() {
// we connect to the unix socket of the local node. Make sure you have the right
// path for your environment
let socket_path = "/tmp/node.socket";
// we connect to the unix socket of the local node and perform a handshake query
let version_table = NodeClient::handshake_query(socket_path, MAINNET_MAGIC)
.await
.unwrap();
info!("handshake query result: {:?}", version_table);
let mut client = NodeClient::connect(socket_path, MAINNET_MAGIC)
let mut client = NodeClient::connect(SOCKET_PATH, PRE_PRODUCTION_MAGIC)
.await
.unwrap();
@ -75,7 +82,6 @@ async fn main() {
}
#[cfg(not(target_family = "unix"))]
fn main() {
panic!("can't use n2c unix socket on non-unix systems");
}