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pyth2wormhole-client: Implement and use daemon mode (#192) 

* pyth2wormhole-client: Implement and use daemon mode

commit-id:7001bdf7

* pyth2wormhole-client: harden CLI, simplify attestation loop

commit-id:ad5e4857

* pyth2wormhole-client: Use requires_if for batch_interval/daemon

commit-id:0da03fd5
This commit is contained in:
Stanisław Drozd 2022-05-02 13:08:03 +02:00 committed by GitHub
parent 8635668417
commit 97ebef0c6c
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 131 additions and 34 deletions
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8
solana/pyth2wormhole/Cargo.lock generated
View File

@ -1918,9 +1918,9 @@ dependencies = [
[[package]]
name = "pyth-sdk"
version = "0.2.0"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c610102a39fc4bae29a3b5a628ee134d25afb3dca3937692f5e634f1287fe0b4"
checksum = "cb06993b8c8ad7f50042e8b6b6ae4ed2a98722495845b12efc9a12f4301b901b"
dependencies = [
"borsh",
"borsh-derive",
@ -1930,9 +1930,9 @@ dependencies = [
[[package]]
name = "pyth-sdk-solana"
version = "0.2.0"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1fdc94592a28fa829b0d6fa619392b1a1744048e5b78a74a4ba93cf541eddae"
checksum = "b83f33cbdeccc350e021f6b4bc714655aa38352fac80a93b16b1902863aedb62"
dependencies = [
"borsh",
"borsh-derive",

22
solana/pyth2wormhole/client/src/cli.rs
View File

@ -7,7 +7,7 @@ use clap::Clap;
#[derive(Clap)]
#[clap(
about = "A client for the pyth2wormhole Solana program",
author = "The Wormhole Project"
author = "Pyth Network Contributors"
)]
pub struct Cli {
#[clap(
@ -53,21 +53,35 @@ pub enum Action {
#[clap(
short = 'n',
long = "--n-retries",
about = "How many times to retry send_transaction() on each batch on failure",
about = "How many times to retry send_transaction() on each batch before flagging a failure.",
default_value = "5"
)]
n_retries: usize,
#[clap(
short = 'd',
long = "--daemon",
about = "Do not stop attesting. In this mode, this program will behave more like a daemon and continuously attest the specified symbols.",
)]
daemon: bool,
#[clap(
short = 'b',
long = "--batch-interval",
about = "How often in seconds to transmit each batch. Only active with --daemon.",
default_value = "30",
requires_if("true", "daemon"),
)]
batch_interval_secs: u64,
#[clap(
short = 't',
long = "--timeout",
about = "How many seconds to wait before giving up on get_transaction() for each batch",
about = "How many seconds to wait before giving up on get_transaction() for tx confirmation.",
default_value = "40"
)]
conf_timeout_secs: u64,
#[clap(
short = 'i',
long = "--rpc-interval",
about = "How many milliseconds to waist between SOL RPC requests",
about = "How many milliseconds to wait between SOL RPC requests",
default_value = "200"
)]
rpc_interval_ms: u64,

66
solana/pyth2wormhole/client/src/main.rs
View File

@ -94,6 +94,8 @@ fn main() -> Result<(), ErrBox> {
Action::Attest {
ref attestation_cfg,
n_retries,
daemon,
batch_interval_secs,
conf_timeout_secs,
rpc_interval_ms,
} => {
@ -107,6 +109,8 @@ fn main() -> Result<(), ErrBox> {
p2w_addr,
&attestation_cfg,
n_retries,
daemon,
Duration::from_secs(batch_interval_secs),
Duration::from_secs(conf_timeout_secs),
Duration::from_millis(rpc_interval_ms),
)?;
@ -129,12 +133,18 @@ pub enum BatchTxState<'a> {
sent_at: Instant,
},
Success {
symbols: &'a [P2WSymbol],
occured_at: Instant,
seqno: String,
},
FailedSend {
symbols: &'a [P2WSymbol],
occured_at: Instant,
last_err: ErrBox,
},
FailedConfirm {
symbols: &'a [P2WSymbol],
occured_at: Instant,
last_err: ErrBox,
},
}
@ -148,6 +158,8 @@ fn handle_attest(
p2w_addr: Pubkey,
attestation_cfg: &AttestationConfig,
n_retries: usize,
daemon: bool,
batch_interval: Duration,
conf_timeout: Duration,
rpc_interval: Duration,
) -> Result<(), ErrBox> {
@ -195,10 +207,11 @@ fn handle_attest(
})
.collect();
// NOTE(2022-04-26): only increment this if `daemon` is false
let mut finished_count = 0;
// TODO(2021-03-09): Extract logic into helper functions
while finished_count < batches.len() {
while daemon || finished_count < batches.len() {
finished_count = 0;
for (batch_no, state) in batches.iter_mut() {
match state {
@ -279,7 +292,11 @@ fn handle_attest(
batch_count,
n_retries + 1
);
*state = BatchTxState::FailedSend { last_err: e };
*state = BatchTxState::FailedSend {
symbols,
occured_at: Instant::now(),
last_err: e,
};
}
}
}
@ -317,7 +334,11 @@ fn handle_attest(
println!("Sequence number: {}", seqno);
info!("Batch {}/{}: OK, seqno {}", batch_no, batch_count, seqno);
*state = BatchTxState::Success { seqno };
*state = BatchTxState::Success {
symbols,
seqno,
occured_at: Instant::now(),
};
}
Err(e) => {
let elapsed = sent_at.elapsed();
@ -359,15 +380,44 @@ fn handle_attest(
batch_count,
n_retries + 1
);
*state = BatchTxState::FailedConfirm { last_err: e };
*state = BatchTxState::FailedConfirm {
symbols,
occured_at: Instant::now(),
last_err: e,
};
}
}
}
}
}
Success { .. } | FailedSend { .. } | FailedConfirm { .. } => {
finished_count += 1; // Gather terminal states for top-level loop exit
continue; // No requests were made, skip sleep
Success {
symbols,
occured_at,
..
}
| FailedSend {
symbols,
occured_at,
..
}
| FailedConfirm {
symbols,
occured_at,
..
} => {
// We only try to re-schedule under --daemon
if daemon {
if occured_at.elapsed() > batch_interval {
*state = BatchTxState::Sending {
symbols,
attempt_no: 1,
};
}
}
// Track the finished batches
finished_count += 1;
continue; // No RPC requests are made any of these cases, skip sleep
}
}
@ -382,7 +432,7 @@ fn handle_attest(
use BatchTxState::*;
match state {
Success { .. } => {}
FailedSend { last_err } | FailedConfirm { last_err } => {
FailedSend { last_err, .. } | FailedConfirm { last_err, .. } => {
errors.push(last_err.to_string())
}
other => {

67
third_party/pyth/p2w_autoattest.py vendored
View File

@ -10,6 +10,7 @@ import threading
import time
from http.client import HTTPConnection
from http.server import BaseHTTPRequestHandler, HTTPServer
from subprocess import PIPE, STDOUT, Popen
from pyth_utils import *
@ -20,7 +21,6 @@ logging.basicConfig(
P2W_SOL_ADDRESS = os.environ.get(
"P2W_SOL_ADDRESS", "P2WH424242424242424242424242424242424242424"
)
P2W_ATTEST_INTERVAL = float(os.environ.get("P2W_ATTEST_INTERVAL", 5))
P2W_OWNER_KEYPAIR = os.environ.get(
"P2W_OWNER_KEYPAIR", "/usr/src/solana/keys/p2w_owner.json"
)
@ -36,12 +36,15 @@ WORMHOLE_ADDRESS = os.environ.get(
"WORMHOLE_ADDRESS", "Bridge1p5gheXUvJ6jGWGeCsgPKgnE3YgdGKRVCMY9o"
)
P2W_EXIT_ON_ERROR = os.environ.get("P2W_EXIT_ON_ERROR", "False").lower() == "true"
P2W_MAX_LOG_LINES = int(os.environ.get("P2W_MAX_LOG_LINES", 1000))
ATTESTATIONS = {
"pendingSeqnos": [],
}
SEQNO_REGEX = re.compile(r"Sequence number: (\d+)")
class P2WAutoattestStatusEndpoint(BaseHTTPRequestHandler):
"""
@ -86,6 +89,16 @@ if SOL_AIRDROP_AMT > 0:
],
)
def find_and_log_seqnos(s):
# parse seqnos
matches = SEQNO_REGEX.findall(s)
seqnos = list(map(lambda m: int(m), matches))
ATTESTATIONS["pendingSeqnos"] += seqnos
if len(seqnos) > 0:
logging.info(f"{len(seqnos)} batch seqno(s) received: {seqnos})")
if P2W_INITIALIZE_SOL_CONTRACT is not None:
# Get actor pubkeys
@ -188,7 +201,8 @@ symbols:"""
f.flush()
attest_result = run_or_die(
# Send the first attestation in one-shot mode for testing
first_attest_result = run_or_die(
[
"pyth2wormhole-client",
"--log-level",
@ -207,7 +221,8 @@ attest_result = run_or_die(
)
logging.info("p2w_autoattest ready to roll!")
logging.info(f"Attest Interval: {P2W_ATTEST_INTERVAL}")
find_and_log_seqnos(first_attest_result.stdout)
# Serve p2w endpoint
endpoint_thread = threading.Thread(target=serve_attestations, daemon=True)
@ -217,18 +232,12 @@ endpoint_thread.start()
readiness_thread = threading.Thread(target=readiness, daemon=True)
readiness_thread.start()
seqno_regex = re.compile(r"Sequence number: (\d+)")
# Do not exit this script if a continuous attestation stops for
# whatever reason (this avoids k8s restart penalty)
while True:
matches = seqno_regex.findall(attest_result.stdout)
seqnos = list(map(lambda m: int(m), matches))
ATTESTATIONS["pendingSeqnos"] += seqnos
logging.info(f"{len(seqnos)} batch seqno(s) received: {seqnos})")
attest_result = run_or_die(
# Start the child process in daemon mode
p2w_client_process = Popen(
[
"pyth2wormhole-client",
"--log-level",
@ -242,8 +251,32 @@ while True:
"attest",
"-f",
P2W_ATTESTATION_CFG,
"-d",
],
capture_output=True,
die=P2W_EXIT_ON_ERROR,
stdout=PIPE,
stderr=STDOUT,
text=True,
)
time.sleep(P2W_ATTEST_INTERVAL)
saved_log_lines = []
# Keep listening for seqnos until the program exits
while p2w_client_process.poll() is None:
line = p2w_client_process.stdout.readline()
# Always pass output to the debug level
logging.debug(f"pyth2wormhole-client: {line}")
find_and_log_seqnos(line)
# Extend with new line
saved_log_lines.append(line)
# trim back to specified maximum
if len(saved_log_lines) > P2W_MAX_LOG_LINES:
saved_log_lines.pop(0)
# Yell if the supposedly non-stop attestation process exits
logging.warn(f"pyth2wormhole-client stopped unexpectedly with code {p2w_client_process.retcode}")
logging.warn(f"Last {len(saved_log_lines)} log lines:\n{(saved_log_lines)}")