lokinet/contrib/testnet/lokid.py
2020-02-02 12:44:56 -05:00

122 lines
3.3 KiB
Python

#!/usr/bin/env python3
import os
from base64 import b64decode
from flask import Flask, jsonify, request, abort, Response, make_response
from nacl import signing
from nacl import encoding
class SVCNode:
"""
info on a service node
"""
def __init__(self):
self._seed = os.urandom(32)
self._ed25519_secret = signing.SigningKey(self._seed)
def seed(self):
"""
return hex seed
"""
return self._ed25519_secret.encode(encoding.HexEncoder).decode('ascii') + self.pubkey()
def pubkey(self):
"""
make hex public key
"""
return self._ed25519_secret.verify_key.encode(encoding.HexEncoder).decode('ascii')
def toJson(self):
"""
make the snode a json object for jsonrpc
"""
return {'pubkey_ed25519': self.pubkey(), 'active': True, 'funded': True}
class MockServer:
def __init__(self, numServiceNodes):
self.app = Flask('lokid-rpc-mock')
#self.app.config['SECRET_KEY'] = os.urandom(16)
# populate service nodes
self._serviceNodes = dict()
for n in range(numServiceNodes):
self.makeSNode("svc-%03d" % n)
self._handlers = {
'lokinet_ping': self._lokinet_ping,
'get_n_service_nodes' : self._get_n_service_nodes,
'get_service_node_privkey' : self._get_service_node_privkey
}
#digest = HTTPDigestAuth(realm='lokid')
@self.app.route('/json_rpc', methods=["POST"])
def _jsonRPC():
j = request.get_json()
method = j['method']
snode = None
if 'authorization' in request.headers:
user = b64decode(request.headers['authorization'][6:].encode('ascii')).decode('ascii').split(':')[0]
self.app.logger.error(user)
if len(user) > 0:
snode = self._serviceNodes[user]
result = self._handlers[method](snode)
if result:
resp = {'jsonrpc': '2.0', 'id': j['id'], 'result': result}
return jsonify(resp)
else:
r = make_response('nope', 401)
r.headers['www-authenticate'] = 'basic'
return r
def after(req):
req.content_type = "application/json"
return req
self.app.after_request(after)
def _get_n_service_nodes(self, our_snode):
return {
'block_hash' : 'mock',
'service_node_states' : self.getSNodeList()
}
def _get_service_node_privkey(self, our_snode):
if our_snode is None:
return None
return {
'service_node_ed25519_privkey': our_snode.seed()
}
def _lokinet_ping(self, snode):
return {
'status' : "OK"
}
def run(self):
"""
run mainloop and serve jsonrpc server
"""
self.app.run()
def makeSNode(self, name):
"""
make service node entry
"""
self._serviceNodes[name] = SVCNode()
def getSNodeList(self):
l = list()
for name in self._serviceNodes:
l.append(self._serviceNodes[name].toJson())
return l
def main():
import sys
serv = MockServer(int(sys.argv[1]))
serv.run()
if __name__ == '__main__':
main()