mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-18 04:18:10 +00:00
common/tools: factor out marketcap data download
This commit is contained in:
Martin Milata
Tomas Susanka
parent
993d3b6e3f
commit
9849d84a5e
@ -7,9 +7,9 @@ import sys
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import time
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import click
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import requests
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import coin_info
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import marketcap
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LOG = logging.getLogger(__name__)
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@ -20,11 +20,6 @@ WALLETS = coin_info.load_json("wallets.json")
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OVERRIDES = coin_info.load_json("coins_details.override.json")
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VERSIONS = coin_info.latest_releases()
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COINMAKETCAP_CACHE = os.path.join(os.path.dirname(__file__), "coinmarketcap.json")
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COINMARKETCAP_API_BASE = "https://pro-api.coinmarketcap.com/v1/"
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MARKET_CAPS = {}
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# automatic wallet entries
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WALLET_TREZOR = {"Trezor": "https://wallet.trezor.io"}
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WALLET_ETH_TREZOR = {"Trezor Beta": "https://beta-wallet.trezor.io/next/"}
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@ -46,88 +41,9 @@ TREZOR_KNOWN_URLS = (
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)
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def coinmarketcap_call(endpoint, api_key, params=None):
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url = COINMARKETCAP_API_BASE + endpoint
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r = requests.get(url, params=params, headers={"X-CMC_PRO_API_KEY": api_key})
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r.raise_for_status()
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return r.json()
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def coinmarketcap_init(api_key, refresh=None):
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global MARKET_CAPS
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force_refresh = refresh is True
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disable_refresh = refresh is False
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try:
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try:
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mtime = os.path.getmtime(COINMAKETCAP_CACHE)
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except FileNotFoundError:
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mtime = 0
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cache_is_fresh = mtime > time.time() - 3600
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if disable_refresh or (cache_is_fresh and not force_refresh):
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print("Using cached market cap data")
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with open(COINMAKETCAP_CACHE) as f:
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coinmarketcap_data = json.load(f)
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else:
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print("Fetching market cap data")
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coinmarketcap_data = coinmarketcap_call(
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"cryptocurrency/listings/latest",
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api_key,
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params={"limit": 5000, "convert": "USD"},
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)
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by_id = {str(coin["id"]): coin for coin in coinmarketcap_data["data"]}
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all_ids = list(by_id.keys())
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while all_ids:
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first_100 = all_ids[:100]
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all_ids = all_ids[100:]
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time.sleep(1)
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print("Fetching metadata, {} coins remaining...".format(len(all_ids)))
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metadata = coinmarketcap_call(
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"cryptocurrency/info", api_key, params={"id": ",".join(first_100)}
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)
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for coin_id, meta in metadata["data"].items():
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by_id[coin_id]["meta"] = meta
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with open(COINMAKETCAP_CACHE, "w") as f:
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json.dump(coinmarketcap_data, f)
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except Exception as e:
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raise RuntimeError("market cap data unavailable") from e
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coin_data = {}
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for coin in coinmarketcap_data["data"]:
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slug = coin["slug"]
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platform = coin["meta"]["platform"]
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market_cap = coin["quote"]["USD"]["market_cap"]
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if market_cap is not None:
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coin_data[slug] = int(market_cap)
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if platform is not None and platform["name"] == "Ethereum":
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address = platform["token_address"].lower()
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coin_data[address] = int(market_cap)
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MARKET_CAPS = coin_data
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return coin_data
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def marketcap(coin):
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cap = None
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if coin["type"] == "erc20":
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address = coin["address"].lower()
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return MARKET_CAPS.get(address)
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if "coinmarketcap_alias" in coin:
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cap = MARKET_CAPS.get(coin["coinmarketcap_alias"])
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if cap is None:
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slug = coin["name"].replace(" ", "-").lower()
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cap = MARKET_CAPS.get(slug)
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if cap is None:
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cap = MARKET_CAPS.get(coin["shortcut"].lower())
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return cap
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def update_marketcaps(coins):
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for coin in coins.values():
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coin["marketcap_usd"] = marketcap(coin) or 0
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coin["marketcap_usd"] = marketcap.marketcap(coin) or 0
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def summary(coins, api_key):
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@ -149,7 +65,7 @@ def summary(coins, api_key):
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total_marketcap = None
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try:
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ret = coinmarketcap_call("global-metrics/quotes/latest", api_key)
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ret = marketcap.call("global-metrics/quotes/latest", api_key)
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total_marketcap = int(ret["data"]["quote"]["USD"]["total_market_cap"])
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except Exception:
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pass
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@ -398,7 +314,7 @@ def main(refresh, api_key, verbose):
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handler.setLevel(log_level)
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root.addHandler(handler)
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coinmarketcap_init(api_key, refresh=refresh)
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marketcap.init(api_key, refresh=refresh)
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defs = coin_info.coin_info()
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support_info = coin_info.support_info(defs)
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91
common/tools/marketcap.py
Normal file
91
common/tools/marketcap.py
Normal file
@ -0,0 +1,91 @@
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#!/usr/bin/env python3
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"""Fetch market capitalization data."""
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import json
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import os
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import time
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import requests
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COINMAKETCAP_CACHE = os.path.join(os.path.dirname(__file__), "coinmarketcap.json")
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COINMARKETCAP_API_BASE = "https://pro-api.coinmarketcap.com/v1/"
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MARKET_CAPS = {}
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def call(endpoint, api_key, params=None):
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url = COINMARKETCAP_API_BASE + endpoint
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r = requests.get(url, params=params, headers={"X-CMC_PRO_API_KEY": api_key})
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r.raise_for_status()
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return r.json()
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def init(api_key, refresh=None):
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global MARKET_CAPS
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force_refresh = refresh is True
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disable_refresh = refresh is False
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try:
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try:
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mtime = os.path.getmtime(COINMAKETCAP_CACHE)
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except FileNotFoundError:
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mtime = 0
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cache_is_fresh = mtime > time.time() - 3600
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if disable_refresh or (cache_is_fresh and not force_refresh):
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print("Using cached market cap data")
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with open(COINMAKETCAP_CACHE) as f:
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coinmarketcap_data = json.load(f)
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else:
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print("Fetching market cap data")
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coinmarketcap_data = call(
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"cryptocurrency/listings/latest",
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api_key,
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params={"limit": 5000, "convert": "USD"},
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)
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by_id = {str(coin["id"]): coin for coin in coinmarketcap_data["data"]}
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all_ids = list(by_id.keys())
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while all_ids:
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first_100 = all_ids[:100]
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all_ids = all_ids[100:]
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time.sleep(1)
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print("Fetching metadata, {} coins remaining...".format(len(all_ids)))
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metadata = call(
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"cryptocurrency/info", api_key, params={"id": ",".join(first_100)}
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)
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for coin_id, meta in metadata["data"].items():
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by_id[coin_id]["meta"] = meta
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with open(COINMAKETCAP_CACHE, "w") as f:
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json.dump(coinmarketcap_data, f)
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except Exception as e:
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raise RuntimeError("market cap data unavailable") from e
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coin_data = {}
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for coin in coinmarketcap_data["data"]:
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slug = coin["slug"]
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platform = coin["meta"]["platform"]
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market_cap = coin["quote"]["USD"]["market_cap"]
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if market_cap is not None:
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coin_data[slug] = int(market_cap)
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if platform is not None and platform["name"] == "Ethereum":
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address = platform["token_address"].lower()
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coin_data[address] = int(market_cap)
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MARKET_CAPS = coin_data
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return coin_data
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def marketcap(coin):
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cap = None
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if coin["type"] == "erc20":
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address = coin["address"].lower()
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return MARKET_CAPS.get(address)
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if "coinmarketcap_alias" in coin:
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cap = MARKET_CAPS.get(coin["coinmarketcap_alias"])
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if cap is None:
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slug = coin["name"].replace(" ", "-").lower()
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cap = MARKET_CAPS.get(slug)
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if cap is None:
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cap = MARKET_CAPS.get(coin["shortcut"].lower())
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return cap
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