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| 1 | +use crate::ProverState; |
| 2 | +use raiko_lib::prover::{ProverError, WorkerError}; |
| 3 | +use sp1_driver::{ |
| 4 | + sp1_specifics::{Challenger, CoreSC, Machine, Program, ProvingKey, RiscvAir}, |
| 5 | + RequestData, WorkerProtocol, WorkerRequest, WorkerResponse, WorkerSocket, ELF, |
| 6 | +}; |
| 7 | +use tokio::net::TcpListener; |
| 8 | +use tracing::{error, info, warn}; |
| 9 | + |
| 10 | +pub async fn serve(state: ProverState) { |
| 11 | + if state.opts.sp1_orchestrator_address.is_some() { |
| 12 | + tokio::spawn(listen_worker(state)); |
| 13 | + } |
| 14 | +} |
| 15 | + |
| 16 | +async fn listen_worker(state: ProverState) { |
| 17 | + info!( |
| 18 | + "Listening as a SP1 worker on: {}", |
| 19 | + state.opts.sp1_worker_address |
| 20 | + ); |
| 21 | + |
| 22 | + let listener = TcpListener::bind(state.opts.sp1_worker_address).await.unwrap(); |
| 23 | + |
| 24 | + loop { |
| 25 | + let Ok((socket, addr)) = listener.accept().await else { |
| 26 | + error!("Error while accepting connection from orchestrator: Closing socket"); |
| 27 | + |
| 28 | + return; |
| 29 | + }; |
| 30 | + |
| 31 | + if let Some(orchestrator_address) = &state.opts.sp1_orchestrator_address { |
| 32 | + if addr.ip().to_string() != *orchestrator_address { |
| 33 | + warn!("Unauthorized orchestrator connection from: {}", addr); |
| 34 | + |
| 35 | + continue; |
| 36 | + } |
| 37 | + } |
| 38 | + |
| 39 | + // We purposely don't spawn the task here, as we want to block to limit the number |
| 40 | + // of concurrent connections to one. |
| 41 | + if let Err(e) = handle_worker_socket(WorkerSocket::from_stream(socket)).await { |
| 42 | + error!("Error while handling worker socket: {:?}", e); |
| 43 | + } |
| 44 | + } |
| 45 | +} |
| 46 | + |
| 47 | +async fn handle_worker_socket(mut socket: WorkerSocket) -> Result<(), ProverError> { |
| 48 | + let program = Program::from(ELF); |
| 49 | + let config = CoreSC::default(); |
| 50 | + |
| 51 | + let machine = RiscvAir::machine(config.clone()); |
| 52 | + let (pk, _vk) = machine.setup(&program); |
| 53 | + |
| 54 | + while let Ok(protocol) = socket.receive().await { |
| 55 | + match protocol { |
| 56 | + WorkerProtocol::Request(request) => match request { |
| 57 | + WorkerRequest::Ping => handle_ping(&mut socket).await?, |
| 58 | + WorkerRequest::Commit(request_data) => { |
| 59 | + handle_commit(&mut socket, &program, &machine, request_data).await? |
| 60 | + } |
| 61 | + WorkerRequest::Prove { |
| 62 | + request_data, |
| 63 | + challenger, |
| 64 | + } => { |
| 65 | + handle_prove( |
| 66 | + &mut socket, |
| 67 | + &program, |
| 68 | + &machine, |
| 69 | + &pk, |
| 70 | + request_data, |
| 71 | + challenger, |
| 72 | + ) |
| 73 | + .await? |
| 74 | + } |
| 75 | + }, |
| 76 | + _ => Err(WorkerError::InvalidRequest)?, |
| 77 | + } |
| 78 | + } |
| 79 | + |
| 80 | + Ok(()) |
| 81 | +} |
| 82 | + |
| 83 | +async fn handle_ping(socket: &mut WorkerSocket) -> Result<(), WorkerError> { |
| 84 | + socket |
| 85 | + .send(WorkerProtocol::Response(WorkerResponse::Pong)) |
| 86 | + .await |
| 87 | +} |
| 88 | + |
| 89 | +async fn handle_commit( |
| 90 | + socket: &mut WorkerSocket, |
| 91 | + program: &Program, |
| 92 | + machine: &Machine, |
| 93 | + request_data: RequestData, |
| 94 | +) -> Result<(), WorkerError> { |
| 95 | + let (commitments, shards_public_values) = sp1_driver::sp1_specifics::commit( |
| 96 | + program, |
| 97 | + machine, |
| 98 | + request_data.checkpoint, |
| 99 | + request_data.nb_checkpoints, |
| 100 | + request_data.public_values, |
| 101 | + request_data.shard_batch_size, |
| 102 | + request_data.shard_size, |
| 103 | + )?; |
| 104 | + |
| 105 | + socket |
| 106 | + .send(WorkerProtocol::Response(WorkerResponse::Commitment { |
| 107 | + commitments, |
| 108 | + shards_public_values, |
| 109 | + })) |
| 110 | + .await |
| 111 | +} |
| 112 | + |
| 113 | +async fn handle_prove( |
| 114 | + socket: &mut WorkerSocket, |
| 115 | + program: &Program, |
| 116 | + machine: &Machine, |
| 117 | + pk: &ProvingKey, |
| 118 | + request_data: RequestData, |
| 119 | + challenger: Challenger, |
| 120 | +) -> Result<(), WorkerError> { |
| 121 | + let proof = sp1_driver::sp1_specifics::prove( |
| 122 | + program, |
| 123 | + machine, |
| 124 | + pk, |
| 125 | + request_data.checkpoint, |
| 126 | + request_data.nb_checkpoints, |
| 127 | + request_data.public_values, |
| 128 | + request_data.shard_batch_size, |
| 129 | + request_data.shard_size, |
| 130 | + challenger, |
| 131 | + )?; |
| 132 | + |
| 133 | + socket |
| 134 | + .send(WorkerProtocol::Response(WorkerResponse::Proof(proof))) |
| 135 | + .await |
| 136 | +} |
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