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import multiprocessing as mp |
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from tradehub.utils import Request |
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import random |
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from requests.exceptions import ConnectionError, HTTPError, Timeout |
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import threading |
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class TradehubNodeClient(object): |
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def __init__(self, network: str = "testnet"): |
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if network.lower() not in ["main", "mainnet", "test", "testnet"]: |
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raise ValueError("Parameter network - {} - is not valid, requires main, mainnent, test, or testnet.".format(network)) |
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self.seed_peers_list = { |
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"main": ["54.255.5.46", "175.41.151.35"], |
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"mainnet": ["54.255.5.46", "175.41.151.35"], |
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"test": ["54.255.42.175", "52.220.152.108"], |
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"testnet": ["54.255.42.175", "52.220.152.108"], |
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} |
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self.tradescan_node_url = { |
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"main": "https://switcheo.org/nodes?net=main", |
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"mainnet": "https://switcheo.org/nodes?net=main", |
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"test": "https://switcheo.org/nodes?net=test", |
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"testnet": "https://switcheo.org/nodes?net=test", |
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} |
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self.all_peers_list = self.seed_peers_list[network.lower()] |
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self.active_validator_list = [] |
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self.active_sentry_api_list = [] |
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self.validator_crawler_mp() |
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self.sentry_status_request() |
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self.active_sentry_api_ip = self.active_sentry_api_list[random.randint(a=0, b=len(self.active_sentry_api_list)-1)] |
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def validator_crawler_mp(self): |
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checked_peers_list = [] |
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unchecked_peers_list = list(set(self.all_peers_list) - set(checked_peers_list)) |
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while unchecked_peers_list: |
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pool = mp.Pool(processes=10) |
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validator_outputs = pool.map(self.validator_status_request, unchecked_peers_list) |
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pool.close() |
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pool.join() |
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for validator in validator_outputs: |
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self.all_peers_list.append(validator["ip"]) |
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checked_peers_list.append(validator["ip"]) |
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if validator["validator_status"] == "Active" and not validator["catching_up"]: |
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self.active_validator_list.append(validator["ip"]) |
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for connected_node in validator["connected_nodes"]: |
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self.all_peers_list.append(connected_node["node_ip"]) |
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self.all_peers_list = list(dict.fromkeys(self.all_peers_list)) |
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checked_peers_list = list(dict.fromkeys(checked_peers_list)) |
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self.active_validator_list = list(dict.fromkeys(self.active_validator_list)) |
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unchecked_peers_list = list(set(self.all_peers_list) - set(checked_peers_list)) |
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# If the initial peers do not return any reults, query Tradescan API. |
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# if not self.active_peers_list: |
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# validators = Request(api_url=self.tradescan_node_url, timeout=30).get() |
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# for validator in validators: |
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# unchecked_peers_list.append(validator["ip"]) |
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def validator_status_request(self, validator_ip): |
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validator_status = {} |
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try: |
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process_peer = True |
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validator_status["ip"] = validator_ip |
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i = Request(api_url="http://{}:26657".format(validator_ip), timeout=1).get(path='/net_info') |
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except (ValueError, ConnectionError, HTTPError, Timeout) as e: |
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validator_status["validator_status"] = "Unknown - Cannot Connect to Retrieve Validator INFO - {}".format(e) |
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validator_status["connected_nodes"] = [] |
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process_peer = False |
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if process_peer: |
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connected_nodes = [] |
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for connected_peer in i["result"]["peers"]: |
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connected_nodes.append({ |
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"node_id": connected_peer["node_info"]["id"], |
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"node_ip": connected_peer["remote_ip"], |
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"node_full": "{}@{}".format(connected_peer["node_info"]["id"], connected_peer["remote_ip"]) |
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}) |
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try: |
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s = Request(api_url="http://{}:26657".format(validator_ip), timeout=1).get(path='/status') |
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except (ValueError, ConnectionError, HTTPError, Timeout) as e: |
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validator_status["validator_status"] = "Unknown - Cannot Connect to Retrieve Status end point - {}".format(e) |
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validator_status["connected_nodes"] = [] |
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process_peer = False |
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if process_peer: |
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validator_status = self.parse_validator_status(request_json=s, validator_ip=validator_ip) |
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validator_status["validator_status"] = "Active" |
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validator_status["connected_nodes"] = connected_nodes |
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return validator_status |
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def parse_validator_status(self, request_json, validator_ip): |
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return { |
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"moniker": request_json["result"]["node_info"]["moniker"], |
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"id": request_json["result"]["node_info"]["id"], |
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"ip": validator_ip, |
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"version": request_json["result"]["node_info"]["version"], |
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"network": request_json["result"]["node_info"]["network"], |
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"latest_block_hash": request_json["result"]["sync_info"]["latest_block_hash"], |
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"latest_block_height": request_json["result"]["sync_info"]["latest_block_height"], |
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"latest_block_time": request_json["result"]["sync_info"]["latest_block_time"], |
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"earliest_block_height": request_json["result"]["sync_info"]["earliest_block_height"], |
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"earliest_block_time": request_json["result"]["sync_info"]["earliest_block_time"], |
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"catching_up": request_json["result"]["sync_info"]["catching_up"], |
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"validator_address": request_json["result"]["validator_info"]["address"], |
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"validator_pub_key_type": request_json["result"]["validator_info"]["pub_key"]["type"], |
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"validator_pub_key": request_json["result"]["validator_info"]["pub_key"]["value"], |
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"validator_voting_power": request_json["result"]["validator_info"]["voting_power"] |
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} |
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def sentry_status_request(self): |
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for active_validator in self.active_validator_list: |
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try: |
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Request(api_url="http://{}:5001".format(active_validator), timeout=1).get(path='/get_status') |
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self.active_sentry_api_list.append(active_validator) |
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except (ValueError, ConnectionError, HTTPError, Timeout): |
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pass |
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self.active_sentry_api_list = list(dict.fromkeys(self.active_sentry_api_list)) |
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127
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def update_validators_and_sentries(self): |
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threading.Timer(5.0, self.update_validators_and_sentries).start() |
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self.validator_crawler_mp() |
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self.sentry_status_request() |
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self.active_sentry_api_ip = self.active_sentry_api_list[random.randint(a=0, b=len(self.active_sentry_api_list)-1)] |
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def tradehub_get_request(self, path: str, params=None): |
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try: |
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req = Request(api_url="http://{}:5001".format(self.active_sentry_api_ip), timeout=2).get(path=path, params=params) |
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return req |
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except (ValueError, ConnectionError, HTTPError, Timeout): |
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self.active_sentry_api_list.remove(self.active_sentry_api_ip) |
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if not self.active_sentry_api_list: |
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self.validator_crawler_mp() |
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self.sentry_status_request() |
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self.active_sentry_api_ip = self.active_sentry_api_list[random.randint(a=0, b=len(self.active_sentry_api_list)-1)] |
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return self.tradehub_get_request(path=path, params=params) |
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145
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def tradehub_post_request(self, path: str, data=None, json_data=None, params=None): |
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146
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try: |
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req = Request(api_url="http://{}:5001".format(self.active_sentry_api_ip), timeout=2).post(self, path=path, data=data, json_data=json_data, params=params) |
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148
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return req |
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except (ValueError, ConnectionError, HTTPError, Timeout): |
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150
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self.active_sentry_api_list.remove(self.active_sentry_api_ip) |
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if not self.active_sentry_api_list: |
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self.validator_crawler_mp() |
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self.sentry_status_request() |
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154
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self.active_sentry_api_ip = self.active_sentry_api_list[random.randint(a=0, b=len(self.active_sentry_api_list)-1)] |
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155
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return self.tradehub_post_request(path=path, data=data, json_data=json_data, params=params) |
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156
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Mai-Te-Pora /
tradehub-python
