solana/bridge: remove agent

Change-Id: I8fdf4e53172a422ee5d9d4dee13faf32ced1be08

solana/bridge/Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["agent", "program", "client", "program_stub", "cpi_poster"]
+members = ["program", "client", "program_stub", "cpi_poster"]
 
 [patch.crates-io]
-memmap2 = { path = "memmap2-rs" }
+memmap2 = { path = "memmap2-rs" }

solana/bridge/agent/.dockerignore

@@ -1 +0,0 @@
-target

solana/bridge/agent/Cargo.lock

@@ -1,1038 +0,0 @@
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solana/bridge/agent/Cargo.toml

@@ -1,37 +0,0 @@
-[package]
-name = "agent"
-version = "0.1.0"
-authors = ["Hendrik Hofstadt <hendrik@nexantic.com>"]
-edition = "2018"
-
-[dependencies]
-tonic = "0.3.0"
-tokio = { version = "0.2", features = ["rt-threaded", "time", "stream", "fs", "macros", "uds"] }
-prost = "0.6"
-prost-types = "0.6"
-solana-client = "=1.7.0"
-solana-program = "=1.7.0"
-solana-sdk = "=1.7.0"
-solitaire = { path = "../../solitaire/program" }
-solitaire-client = {path = "../../solitaire/client" }
-bridge = { path = "../program", features = ["no-entrypoint", "client"] }
-primitive-types = { version = "0.7.2" }
-hex = "0.4.2"
-thiserror = "1.0.20"
-tungstenite = "0.11.1"
-serde = "1.0.103"
-url = "2.1.1"
-serde_bytes = "0.11.5"
-log = "0.4.11"
-serde_derive = "1.0.103"
-serde_json = "1.0.57"
-bs58 = "0.3.1"
-byteorder = "1.4.3"
-futures = "0.3.8"
-libc = "0.2.80"
-clap = "2.33.3"
-borsh = "0.8.1"
-sha3 = "0.9.1"
-
-[build-dependencies]
-tonic-build = { version = "0.3.0", features = ["prost"] }

solana/bridge/agent/build.rs

@@ -1,3 +0,0 @@
-fn main() {
-    tonic_build::compile_protos("../../../proto/agent/v1/service.proto").unwrap();
-}

solana/bridge/agent/src/main.rs

@@ -1,418 +0,0 @@
-use libc;
-use std::{
-    fs,
-    io::Write,
-    path::Path,
-    str::FromStr,
-};
-
-use clap::{
-    App,
-    Arg,
-};
-
-use byteorder::{
-    LittleEndian,
-    WriteBytesExt,
-};
-use futures::stream::TryStreamExt;
-use solana_client::{
-    client_error::ClientError,
-    rpc_client::RpcClient,
-    rpc_config::RpcSendTransactionConfig,
-};
-use solana_sdk::{
-    commitment_config::{
-        CommitmentConfig,
-        CommitmentLevel,
-    },
-    instruction::Instruction,
-    pubkey::Pubkey,
-    signature::{
-        read_keypair_file,
-        Keypair,
-        Signature,
-        Signer,
-    },
-    transaction::Transaction,
-};
-use tokio::net::UnixListener;
-
-use tonic::{
-    transport::Server,
-    Code,
-    Request,
-    Response,
-    Status,
-};
-
-use borsh::BorshDeserialize;
-use bridge::{
-    accounts::{
-        GuardianSet,
-        GuardianSetDerivationData,
-    },
-    instructions::{
-        hash_vaa,
-        post_vaa,
-        serialize_vaa,
-        verify_signatures,
-    },
-    types::GuardianSetData,
-    PostVAAData,
-    VerifySignaturesData,
-};
-use service::{
-    agent_server::{
-        Agent,
-        AgentServer,
-    },
-    GetBalanceRequest,
-    GetBalanceResponse,
-    SubmitVaaRequest,
-    SubmitVaaResponse,
-};
-use sha3::Digest;
-use solitaire::{
-    processors::seeded::Seeded,
-    AccountState,
-};
-
-mod socket;
-
-pub mod service {
-    include!(concat!(env!("OUT_DIR"), concat!("/", "agent.v1", ".rs")));
-}
-
-pub struct AgentImpl {
-    bridge: Pubkey,
-
-    rpc_url: String,
-    key: Keypair,
-}
-
-pub struct SignatureItem {
-    signature: Vec<u8>,
-    key: [u8; 20],
-    index: u8,
-}
-
-#[tonic::async_trait]
-impl Agent for AgentImpl {
-    async fn submit_vaa(
-        &self,
-        request: Request<SubmitVaaRequest>,
-    ) -> Result<Response<SubmitVaaResponse>, Status> {
-        // Hack to clone keypair
-        let b = self.key.to_bytes();
-        let key = Keypair::from_bytes(&b).unwrap();
-        let bridge = self.bridge.clone();
-
-        let rpc_url = self.rpc_url.clone();
-
-        // we need to spawn an extra thread because tokio does not allow nested runtimes
-        std::thread::spawn(move || {
-            let rpc = RpcClient::new(rpc_url);
-
-            let vaa = &request.get_ref().vaa.as_ref().unwrap();
-
-            let mut emitter_address = [0u8; 32];
-            emitter_address.copy_from_slice(vaa.emitter_address.as_slice());
-            let post_data = PostVAAData {
-                version: vaa.version as u8,
-                guardian_set_index: vaa.guardian_set_index,
-                timestamp: vaa.timestamp.as_ref().unwrap().seconds as u32,
-                nonce: vaa.nonce,
-                emitter_chain: vaa.emitter_chain as u16,
-                emitter_address: emitter_address,
-                sequence: vaa.sequence,
-                consistency_level: vaa.consistency_level as u8,
-                payload: vaa.payload.clone(),
-            };
-
-            let (verify_txs, signature_set) =
-                pack_sig_verification_txs(&rpc, &bridge, &post_data, &vaa.signatures, &key)?;
-
-            // Strip signatures
-            let ix = post_vaa(bridge, key.pubkey(), signature_set, post_data);
-
-            for mut tx in verify_txs {
-                match sign_and_send(&rpc, &mut tx, vec![&key], request.get_ref().skip_preflight) {
-                    Ok(_) => (),
-                    Err(e) => {
-                        return Err(Status::new(
-                            Code::Internal,
-                            format!("tx sending failed: {:?}", e),
-                        ));
-                    }
-                };
-            }
-
-            let mut transaction2 = Transaction::new_with_payer(&[ix], Some(&key.pubkey()));
-            match sign_and_send(
-                &rpc,
-                &mut transaction2,
-                vec![&key],
-                request.into_inner().skip_preflight,
-            ) {
-                Ok(s) => Ok(Response::new(SubmitVaaResponse {
-                    signature: s.to_string(),
-                })),
-                Err(e) => Err(Status::new(
-                    Code::Internal,
-                    format!("tx sending failed: {:?}", e),
-                )),
-            }
-        })
-        .join()
-        .unwrap()
-    }
-
-    async fn get_balance(
-        &self,
-        _request: Request<GetBalanceRequest>,
-    ) -> Result<Response<GetBalanceResponse>, Status> {
-        // Hack to clone keypair
-        let b = self.key.pubkey();
-
-        let rpc_url = self.rpc_url.clone();
-
-        // we need to spawn an extra thread because tokio does not allow nested runtimes
-        std::thread::spawn(move || {
-            let rpc = RpcClient::new(rpc_url);
-
-            let balance = match rpc.get_balance(&b) {
-                Ok(v) => v,
-                Err(e) => {
-                    return Err(Status::new(
-                        Code::Internal,
-                        format!("failed to fetch balance: {:?}", e),
-                    ));
-                }
-            };
-
-            Ok(Response::new(GetBalanceResponse { balance }))
-        })
-        .join()
-        .unwrap()
-    }
-}
-
-fn pack_sig_verification_txs<'a>(
-    rpc: &RpcClient,
-    bridge: &Pubkey,
-    vaa: &PostVAAData,
-    signatures: &Vec<service::Signature>,
-    sender_keypair: &'a Keypair,
-) -> Result<(Vec<Transaction>, Pubkey), Status> {
-    let signature_set = Keypair::new();
-    // Load guardian set
-    let guardian_key = GuardianSet::<'_, { AccountState::Initialized }>::key(
-        &GuardianSetDerivationData {
-            index: vaa.guardian_set_index,
-        },
-        bridge,
-    );
-    let guardian_account = rpc
-        .get_account_with_commitment(
-            &guardian_key,
-            CommitmentConfig {
-                commitment: CommitmentLevel::Processed,
-            },
-        )
-        .unwrap()
-        .value
-        .unwrap_or_default();
-    let data = guardian_account.data;
-    let guardian_set: GuardianSetData = GuardianSetData::try_from_slice(data.as_slice()).unwrap();
-
-    // Map signatures to guardian set
-    let mut signature_items: Vec<SignatureItem> = Vec::new();
-    for s in signatures.iter() {
-        let mut item = SignatureItem {
-            signature: s.signature.clone(),
-            key: [0; 20],
-            index: s.guardian_index as u8,
-        };
-        item.key = guardian_set.keys[s.guardian_index as usize];
-
-        signature_items.push(item);
-    }
-
-    let vaa_body = serialize_vaa(vaa);
-    let body_hash: [u8; 32] = {
-        let mut h = sha3::Keccak256::default();
-        h.write(vaa_body.as_slice())?;
-        h.finalize().into()
-    };
-
-    let mut verify_txs: Vec<Transaction> = Vec::new();
-    for (_tx_index, chunk) in signature_items.chunks(6).enumerate() {
-        let mut secp_payload = Vec::new();
-        let mut signature_status = [-1i8; 19];
-
-        let data_offset = 1 + chunk.len() * 11;
-        let message_offset = data_offset + chunk.len() * 85;
-
-        // 1 number of signatures
-        secp_payload.write_u8(chunk.len() as u8)?;
-
-        // Secp signature info description (11 bytes * n)
-        for (i, s) in chunk.iter().enumerate() {
-            secp_payload.write_u16::<LittleEndian>((data_offset + 85 * i) as u16)?;
-            secp_payload.write_u8(0)?;
-            secp_payload.write_u16::<LittleEndian>((data_offset + 85 * i + 65) as u16)?;
-            secp_payload.write_u8(0)?;
-            secp_payload.write_u16::<LittleEndian>(message_offset as u16)?;
-            secp_payload.write_u16::<LittleEndian>(body_hash.len() as u16)?;
-            secp_payload.write_u8(0)?;
-            signature_status[s.index as usize] = i as i8;
-        }
-
-        // Write signatures and addresses
-        for s in chunk.iter() {
-            secp_payload.write(&s.signature)?;
-            secp_payload.write(&s.key)?;
-        }
-
-        // Write body
-        secp_payload.write(&body_hash)?;
-
-        let secp_ix = Instruction {
-            program_id: solana_sdk::secp256k1_program::id(),
-            data: secp_payload,
-            accounts: vec![],
-        };
-
-        let body_hash: [u8; 32] = hash_vaa(vaa);
-
-        let payload = VerifySignaturesData {
-            signers: signature_status,
-        };
-
-        let verify_ix = match verify_signatures(
-            *bridge,
-            sender_keypair.pubkey(),
-            vaa.guardian_set_index,
-            signature_set.pubkey(),
-            payload,
-        ) {
-            Ok(v) => v,
-            Err(e) => {
-                return Err(Status::new(
-                    Code::InvalidArgument,
-                    format!("could not create verify instruction: {:?}", e),
-                ));
-            }
-        };
-
-        verify_txs.push(Transaction::new_with_payer(
-            &[secp_ix, verify_ix],
-            Some(&sender_keypair.pubkey()),
-        ))
-    }
-
-    Ok((verify_txs, signature_set.pubkey()))
-}
-
-fn sign_and_send(
-    rpc: &RpcClient,
-    tx: &mut Transaction,
-    keys: Vec<&Keypair>,
-    skip_preflight: bool,
-) -> Result<Signature, ClientError> {
-    let (recent_blockhash, _fee_calculator) = rpc.get_recent_blockhash()?;
-
-    tx.sign(&keys, recent_blockhash);
-
-    rpc.send_and_confirm_transaction_with_spinner_and_config(
-        &tx,
-        CommitmentConfig {
-            commitment: CommitmentLevel::Processed,
-        },
-        RpcSendTransactionConfig {
-            skip_preflight,
-            preflight_commitment: Some(CommitmentLevel::Processed),
-            encoding: None,
-        },
-    )
-}
-
-#[tokio::main]
-async fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let matches = App::new("Wormhole Solana agent")
-        .arg(
-            Arg::with_name("bridge")
-                .long("bridge")
-                .value_name("ADDRESS")
-                .help("Bridge address")
-                .required(true)
-                .takes_value(true),
-        )
-        .arg(
-            Arg::with_name("ws")
-                .long("ws")
-                .value_name("URI")
-                .help("PubSub Websocket URI (ws[s]://)")
-                .required(true)
-                .takes_value(true),
-        )
-        .arg(
-            Arg::with_name("rpc")
-                .long("rpc")
-                .value_name("URI")
-                .help("RPC URI (http[s]://)")
-                .required(true)
-                .takes_value(true),
-        )
-        .arg(
-            Arg::with_name("socket")
-                .long("socket")
-                .value_name("FILE")
-                .help("Path to agent socket")
-                .required(true)
-                .takes_value(true),
-        )
-        .arg(
-            Arg::with_name("keypair")
-                .long("keypair")
-                .value_name("FILE")
-                .help("Fee payer account key ")
-                .required(true)
-                .takes_value(true),
-        )
-        .get_matches();
-
-    let bridge = matches.value_of("bridge").unwrap();
-    let rpc_url = matches.value_of("rpc").unwrap();
-    let socket_path = matches.value_of("socket").unwrap();
-    let keypair = read_keypair_file(matches.value_of("keypair").unwrap()).unwrap();
-
-    println!("Agent using account: {}", keypair.pubkey());
-
-    let agent = AgentImpl {
-        rpc_url: rpc_url.to_string(),
-        bridge: Pubkey::from_str(bridge).unwrap(),
-        key: keypair,
-    };
-
-    // Setting a umask appears to be the only way of safely creating a UNIX socket using
-    // UnixListener::bind without introducing a TOCTOU race condition.
-    unsafe { libc::umask(0o0077) };
-
-    // Delete existing socket file and recreate it with restrictive permissions.
-    let path = Path::new(socket_path);
-    if path.exists() {
-        fs::remove_file(path)?;
-    }
-
-    let mut listener = UnixListener::bind(socket_path)?;
-    println!("Agent listening on {}", socket_path);
-
-    Server::builder()
-        .add_service(AgentServer::new(agent))
-        .serve_with_incoming(listener.incoming().map_ok(socket::UnixStream))
-        .await?;
-
-    Ok(())
-}

solana/bridge/agent/src/socket.rs

@@ -1,50 +0,0 @@
-// https://github.com/hyperium/tonic/blob/2e964c78c666ecd6e6cfc37689d30300cad81f4c/examples/src/uds/server.rs#L55
-// (MIT License)
-
-use std::{
-    pin::Pin,
-    task::{
-        Context,
-        Poll,
-    },
-};
-
-use tokio::io::{
-    AsyncRead,
-    AsyncWrite,
-};
-use tonic::transport::server::Connected;
-
-#[derive(Debug)]
-pub struct UnixStream(pub tokio::net::UnixStream);
-
-impl Connected for UnixStream {
-}
-
-impl AsyncRead for UnixStream {
-    fn poll_read(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-        buf: &mut [u8],
-    ) -> Poll<std::io::Result<usize>> {
-        Pin::new(&mut self.0).poll_read(cx, buf)
-    }
-}
-
-impl AsyncWrite for UnixStream {
-    fn poll_write(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-        buf: &[u8],
-    ) -> Poll<std::io::Result<usize>> {
-        Pin::new(&mut self.0).poll_write(cx, buf)
-    }
-
-    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
-        Pin::new(&mut self.0).poll_flush(cx)
-    }
-
-    fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
-        Pin::new(&mut self.0).poll_shutdown(cx)
-    }
-}