2021-12-13 18:46:39 -05:00

42 lines
1.4 KiB
Python

import aiohttp
from mev_inspect.classifiers.specs.weth import WETH_ADDRESS
from mev_inspect.schemas.coinbase import CoinbasePrices, CoinbasePricesResponse
from mev_inspect.schemas.prices import (
AAVE_TOKEN_ADDRESS,
LINK_TOKEN_ADDRESS,
REN_TOKEN_ADDRESS,
UNI_TOKEN_ADDRESS,
USDC_TOKEN_ADDRESS_ADDRESS,
WBTC_TOKEN_ADDRESS,
YEARN_TOKEN_ADDRESS,
)
from mev_inspect.schemas.transfers import ETH_TOKEN_ADDRESS
COINBASE_API_BASE = "https://www.coinbase.com/api/v2"
COINBASE_TOKEN_NAME_BY_ADDRESS = {
WETH_ADDRESS: "weth",
ETH_TOKEN_ADDRESS: "ethereum",
WBTC_TOKEN_ADDRESS: "wrapped-bitcoin",
LINK_TOKEN_ADDRESS: "link",
YEARN_TOKEN_ADDRESS: "yearn-finance",
AAVE_TOKEN_ADDRESS: "aave",
UNI_TOKEN_ADDRESS: "uniswap",
USDC_TOKEN_ADDRESS_ADDRESS: "usdc",
REN_TOKEN_ADDRESS: "ren",
}
async def fetch_coinbase_prices(token_address: str) -> CoinbasePrices:
if token_address not in COINBASE_TOKEN_NAME_BY_ADDRESS:
raise ValueError(f"Unsupported token_address {token_address}")
coinbase_token_name = COINBASE_TOKEN_NAME_BY_ADDRESS[token_address]
url = f"{COINBASE_API_BASE}/assets/prices/{coinbase_token_name}"
async with aiohttp.ClientSession() as session:
async with session.get(url, params={"base": "USD"}) as response:
json_data = await response.json()
return CoinbasePricesResponse(**json_data).data.prices