pyth2wormhole: share pending attestation information over HTTP

Change-Id: I585392f995f3d32b5e8152c08c79a012091c36ed
This commit is contained in:
Stan Drozd 2021-10-04 15:51:01 +02:00 committed by Stanislaw Drozd
parent a8465ef791
commit 19c475e4a6
2 changed files with 57 additions and 3 deletions

View File

@ -4,9 +4,11 @@
from pyth_utils import *
from http.client import HTTPConnection
from http.server import HTTPServer, BaseHTTPRequestHandler
import json
import os
import re
import subprocess
import time
import threading
@ -16,12 +18,46 @@ P2W_ADDRESS = "P2WH424242424242424242424242424242424242424"
P2W_ATTEST_INTERVAL = float(os.environ.get("P2W_ATTEST_INTERVAL", 5))
P2W_OWNER_KEYPAIR = os.environ.get(
"P2W_OWNER_KEYPAIR", f"/usr/src/solana/keys/p2w_owner.json")
P2W_ATTESTATIONS_PORT = int(os.environ.get("P2W_ATTESTATIONS_PORT", 4343))
PYTH_ACCOUNTS_HOST = "pyth"
PYTH_ACCOUNTS_PORT = 4242
WORMHOLE_ADDRESS = "Bridge1p5gheXUvJ6jGWGeCsgPKgnE3YgdGKRVCMY9o"
ATTESTATIONS = {
"pendingSeqnos": [],
}
class P2WAutoattestStatusEndpoint(BaseHTTPRequestHandler):
"""
A dumb endpoint for last attested price metadata.
"""
def do_GET(self):
print(f"Got path {self.path}")
sys.stdout.flush()
data = json.dumps(ATTESTATIONS).encode("utf-8")
print(f"Sending:\n{data}")
ATTESTATIONS["pendingSeqnos"] = []
self.send_response(200)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
self.wfile.flush()
def serve_attestations():
"""
Run a barebones HTTP server to share Pyth2wormhole attestation history
"""
server_address = ('', P2W_ATTESTATIONS_PORT)
httpd = HTTPServer(server_address, P2WAutoattestStatusEndpoint)
httpd.serve_forever()
# Get actor pubkeys
P2W_OWNER_ADDRESS = sol_run_or_die(
"address", ["--keypair", P2W_OWNER_KEYPAIR], capture_output=True).stdout.strip()
@ -99,10 +135,16 @@ print("p2w_autoattest ready to roll.")
print(f"ACCOUNTS: {pyth_accounts}")
print(f"Attest Interval: {P2W_ATTEST_INTERVAL}")
# Serve p2w endpoint
endpoint_thread = threading.Thread(target=serve_attestations, daemon=True)
endpoint_thread.start()
# Let k8s know the service is up
readiness_thread = threading.Thread(target=readiness, daemon=True)
readiness_thread.start()
seqno_regex = re.compile(r"^Sequence number: (\d+)")
nonce = 1
while True:
attest_result = run_or_die([
@ -117,6 +159,18 @@ while True:
"--nonce", str(nonce),
], capture_output=True)
time.sleep(P2W_ATTEST_INTERVAL)
matches = seqno_regex.match(attest_result.stdout)
if matches is not None:
seqno = int(matches.group(1))
print(f"Got seqno {seqno}")
ATTESTATIONS["pendingSeqnos"].append(seqno)
else:
print(f"Warning: Could not get sequence number")
nonce += 1
readiness_thread.join()

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@ -11,7 +11,7 @@ import threading
import time
class P2WAccEndpoint(BaseHTTPRequestHandler):
class PythAccEndpoint(BaseHTTPRequestHandler):
"""
A dumb endpoint to respond with a JSON containing Pyth account addresses
"""
@ -38,7 +38,7 @@ def publisher_random_update(price_pubkey):
Update the specified price with random values
"""
value = random.randrange(1024)
confidence = 1
confidence = 5
pyth_run_or_die("upd_price_val", args=[
price_pubkey, str(value), str(confidence), "trading"
])
@ -51,7 +51,7 @@ def accounts_endpoint():
mapping/product/price account addresses
"""
server_address = ('', 4242)
httpd = HTTPServer(server_address, P2WAccEndpoint)
httpd = HTTPServer(server_address, PythAccEndpoint)
httpd.serve_forever()