61 lines
2.1 KiB
Rust
61 lines
2.1 KiB
Rust
use pallas_alonzo::{crypto, Block, BlockWrapper, Fragment};
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use pallas_chainsync::{BlockLike, Consumer, NoopObserver};
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use pallas_handshake::n2c::{Client, VersionTable};
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use pallas_handshake::MAINNET_MAGIC;
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use pallas_machines::run_agent;
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use pallas_machines::{
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primitives::Point, DecodePayload, EncodePayload, PayloadDecoder, PayloadEncoder,
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};
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use pallas_multiplexer::Multiplexer;
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use std::os::unix::net::UnixStream;
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#[derive(Debug)]
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pub struct Content(Block);
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impl EncodePayload for Content {
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fn encode_payload(&self, _e: &mut PayloadEncoder) -> Result<(), Box<dyn std::error::Error>> {
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todo!()
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}
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}
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impl DecodePayload for Content {
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fn decode_payload(d: &mut PayloadDecoder) -> Result<Self, Box<dyn std::error::Error>> {
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d.tag()?;
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let bytes = d.bytes()?;
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let BlockWrapper(_, block) = BlockWrapper::decode_fragment(bytes)?;
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Ok(Content(block))
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}
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}
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impl BlockLike for Content {
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fn block_point(&self) -> Result<Point, Box<dyn std::error::Error>> {
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let hash = crypto::hash_block_header(&self.0.header);
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Ok(Point(self.0.header.header_body.slot, hash.to_vec()))
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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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// we connect to the unix socket of the local node. Make sure you have the right
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// path for your environment
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let bearer = UnixStream::connect("/tmp/node.socket").unwrap();
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let mut muxer = Multiplexer::setup(bearer, &vec![0, 4, 5]).unwrap();
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let mut hs_channel = muxer.use_channel(0);
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let versions = VersionTable::v1_and_above(MAINNET_MAGIC);
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let last = run_agent(Client::initial(versions), &mut hs_channel).unwrap();
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println!("last hanshake state: {:?}", last);
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// some random known-point in the chain to use as starting point for the sync
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let known_points = vec![Point(
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45147459,
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hex::decode("bee16ef28ac02abb50c340a7deff085a77f3a7b84c66250b3318dcb125c19a10").unwrap(),
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)];
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let mut cs_channel = muxer.use_channel(5);
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let cs = Consumer::<Content, _>::initial(known_points, NoopObserver {});
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let cs = run_agent(cs, &mut cs_channel).unwrap();
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println!("{:?}", cs);
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}
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