120 lines
2.9 KiB
Python
120 lines
2.9 KiB
Python
#!/usr/bin/env python3
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from pyth_utils import *
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from http.server import HTTPServer, BaseHTTPRequestHandler
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import json
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import random
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import sys
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import threading
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import time
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class PythAccEndpoint(BaseHTTPRequestHandler):
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"""
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A dumb endpoint to respond with a JSON containing Pyth account addresses
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"""
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def do_GET(self):
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print(f"Got path {self.path}")
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sys.stdout.flush()
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data = json.dumps(ACCOUNTS).encode("utf-8")
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print(f"Sending:\n{data}")
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self.send_response(200)
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self.send_header("Content-Type", "application/json")
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self.send_header("Content-Length", str(len(data)))
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self.end_headers()
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self.wfile.write(data)
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self.wfile.flush()
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ACCOUNTS = dict()
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def publisher_random_update(price_pubkey):
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"""
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Update the specified price with random values
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"""
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value = random.randrange(1024)
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confidence = 5
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pyth_run_or_die("upd_price_val", args=[
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price_pubkey, str(value), str(confidence), "trading"
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])
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print(f"Price {price_pubkey} value updated to {str(value)}!")
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def accounts_endpoint():
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"""
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Run a barebones HTTP server to share the dynamic Pyth
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mapping/product/price account addresses
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"""
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server_address = ('', 4242)
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httpd = HTTPServer(server_address, PythAccEndpoint)
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httpd.serve_forever()
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# Fund the publisher
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sol_run_or_die("airdrop", [
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str(SOL_AIRDROP_AMT),
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"--keypair", PYTH_PUBLISHER_KEYPAIR,
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"--commitment", "finalized",
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])
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# Create a mapping
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pyth_run_or_die("init_mapping")
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# Add a product
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prod_pubkey = pyth_run_or_die(
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"add_product", capture_output=True).stdout.strip()
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print(f"Added product {prod_pubkey}")
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# Add a price
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price_pubkey = pyth_run_or_die(
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"add_price",
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args=[prod_pubkey, "price"],
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confirm=False,
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capture_output=True
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).stdout.strip()
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print(f"Added price {price_pubkey}")
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publisher_pubkey = sol_run_or_die("address", args=[
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"--keypair", PYTH_PUBLISHER_KEYPAIR
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], capture_output=True).stdout.strip()
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# Become a publisher
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pyth_run_or_die(
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"add_publisher", args=[publisher_pubkey, price_pubkey],
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confirm=False,
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debug=True,
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capture_output=True)
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print(f"Added publisher {publisher_pubkey}")
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# Update the price as the newly added publisher
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publisher_random_update(price_pubkey)
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print(
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f"Mock updates ready to roll. Updating every {str(PYTH_PUBLISHER_INTERVAL)} seconds")
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# Spin off the readiness probe endpoint into a separate thread
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readiness_thread = threading.Thread(target=readiness, daemon=True)
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# Start an HTTP endpoint for looking up product/price address
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http_service = threading.Thread(target=accounts_endpoint, daemon=True)
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ACCOUNTS["product"] = prod_pubkey
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ACCOUNTS["price"] = price_pubkey
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readiness_thread.start()
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http_service.start()
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while True:
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publisher_random_update(price_pubkey)
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time.sleep(PYTH_PUBLISHER_INTERVAL)
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sys.stdout.flush()
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readiness_thread.join()
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http_service.join()
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