56 lines
1.7 KiB
Rust
56 lines
1.7 KiB
Rust
use net2::TcpStreamExt;
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use pallas::ledger::alonzo::*;
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use pallas::ouroboros::network::blockfetch::{BatchClient, Observer};
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use pallas::ouroboros::network::handshake::{
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n2n::{Client, VersionTable},
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MAINNET_MAGIC,
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};
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use pallas::ouroboros::network::machines::primitives::Point;
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use pallas::ouroboros::network::machines::run_agent;
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use pallas::ouroboros::network::multiplexer::Multiplexer;
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use std::net::TcpStream;
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#[derive(Debug)]
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struct BlockPrinter;
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impl Observer for BlockPrinter {
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fn on_block_received(&self, body: Vec<u8>) -> Result<(), Box<dyn std::error::Error>> {
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println!("{}", hex::encode(&body));
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println!("----------");
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BlockWrapper::decode_fragment(&body[..])?;
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Ok(())
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}
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}
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fn main() {
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env_logger::init();
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let bearer = TcpStream::connect("relays-new.cardano-mainnet.iohk.io:3001").unwrap();
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bearer.set_nodelay(true).unwrap();
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bearer.set_keepalive_ms(Some(30_000u32)).unwrap();
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let mut muxer = Multiplexer::setup(bearer, &vec![0, 3]).unwrap();
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let mut hs_channel = muxer.use_channel(0);
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let versions = VersionTable::v4_and_above(MAINNET_MAGIC);
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let last = run_agent(Client::initial(versions), &mut hs_channel).unwrap();
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let range = (
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Point(
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26249860,
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hex::decode("915386f44ad3a7fccee949c9d3fe43f5a20459c7401f990e1cc7d52c10be1fd6")
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.unwrap(),
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),
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Point(
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26250057,
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hex::decode("5fec758c8aaff4a7683c27b075dc3984d8d982839cc56470a682d1411c9f8198")
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.unwrap(),
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),
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);
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let mut bf_channel = muxer.use_channel(3);
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let bf = BatchClient::initial(range, BlockPrinter {});
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let bf_last = run_agent(bf, &mut bf_channel);
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println!("{:?}", bf_last);
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}
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