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mark nodes unhealthy if over 100 blocks away from highest (#13)

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lalanza808 2022-08-29 00:54:42 -07:00 • committed by GitHub
parent 310905237f
commit bac563254c
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3 changed files with 31 additions and 6 deletions
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24
xmrnodes/app.py
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@ -15,7 +15,7 @@ from flask import render_template, flash, url_for
from urllib.parse import urlparse, urlencode
from xmrnodes.helpers import determine_crypto, is_onion, make_request
from xmrnodes.helpers import retrieve_peers, rw_cache
from xmrnodes.helpers import retrieve_peers, rw_cache, get_highest_block
from xmrnodes.forms import SubmitNode
from xmrnodes.models import Node, HealthCheck, Peer
from xmrnodes import config
@ -29,6 +29,7 @@ logging.basicConfig(
app = Flask(__name__)
app.config.from_envvar("FLASK_SECRETS")
app.secret_key = app.config["SECRET_KEY"]
HEALTHY_BLOCK_DIFF = 100 # idc to config this. hardcode is fine.
@app.route("/", methods=["GET", "POST"])
def index():
@ -38,6 +39,8 @@ def index():
onion = request.args.get("onion", False)
show_all = "true" == request.args.get("all", "false")
web_compatible = request.args.get("web_compatible", False)
highest_block = get_highest_block(nettype, crypto)
healthy_block = highest_block - HEALTHY_BLOCK_DIFF
nodes = Node.select().where(
Node.validated == True,
@ -49,10 +52,15 @@ def index():
nodes = nodes.where(Node.web_compatible == True)
nodes_all = nodes.count()
nodes_unhealthy = nodes.where(Node.available == False).count()
nodes_unhealthy = nodes.where(
(Node.available == False) | (Node.last_height < healthy_block)
).count()
if not show_all:
nodes = nodes.where(Node.available == True)
nodes = nodes.where(
Node.available == True,
Node.last_height > healthy_block
)
nodes = nodes.order_by(
Node.datetime_entered.desc()
@ -171,11 +179,17 @@ def check():
has_cors = 'Access-Control-Allow-Origin' in r.headers
is_ssl = node.url.startswith('https://')
if r.json()["status"] == "OK":
logging.info("success")
node.available = True
node.web_compatible = has_cors and is_ssl
node.last_height = r.json()["height"]
hc.health = True
highest_block = get_highest_block(node.nettype, node.crypto)
healthy_block = highest_block - HEALTHY_BLOCK_DIFF
if r.json()["height"] < healthy_block:
node.available = False
logging.info("unhealthy")
else:
node.available = True
logging.info("success")
else:
raise
except: