Python Quickstart

pip install alterscope

import os
from alterscope import AlterscopeClient, freshness_status_of

client = AlterscopeClient(
    api_key=os.environ["ALTERSCOPE_API_KEY"],
    base_url="https://dev.alterscope.org",
)

oracle = client.oracles.classify(market_id="morpho-usdc-lending")
print("freshness", freshness_status_of(oracle))

import asyncio
import json
import os
import websockets

async def consume():
    headers = {"Authorization": f"Bearer {os.environ['ALTERSCOPE_API_KEY']}"}
    async with websockets.connect("wss://dev.alterscope.org/v2/events", additional_headers=headers) as ws:
        await ws.send(json.dumps({"action": "subscribe", "types": ["oracle.stale"]}))
        print(await ws.recv())

asyncio.run(consume())

import hashlib
import hmac

def verify(secret: bytes, body: bytes, header: str) -> bool:
    parts = dict(part.split("=", 1) for part in header.split(","))
    expected = hmac.new(secret, f"{parts['t']}.".encode() + body, hashlib.sha256).hexdigest()
    return hmac.compare_digest(parts["v1"], expected)