SomberNight
6 years ago
15 changed files with 266 additions and 194 deletions
@ -1,7 +1,29 @@ |
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#!/usr/bin/env python3 |
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from . import util |
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import json |
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from electrum.network import filter_protocol |
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peers = filter_protocol(util.get_peers()) |
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results = util.send_request(peers, 'blockchain.estimatefee', [2]) |
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print(json.dumps(results, indent=4)) |
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import asyncio |
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from statistics import median |
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from numbers import Number |
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from electrum.network import filter_protocol, Network |
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from electrum.util import create_and_start_event_loop, log_exceptions |
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import util |
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loop, stopping_fut, loop_thread = create_and_start_event_loop() |
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network = Network() |
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network.start() |
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@log_exceptions |
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async def f(): |
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try: |
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peers = await util.get_peers(network) |
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peers = filter_protocol(peers) |
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results = await util.send_request(network, peers, 'blockchain.estimatefee', [2]) |
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print(json.dumps(results, indent=4)) |
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feerate_estimates = filter(lambda x: isinstance(x, Number), results.values()) |
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print(f"median feerate: {median(feerate_estimates)}") |
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finally: |
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stopping_fut.set_result(1) |
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asyncio.run_coroutine_threadsafe(f(), loop) |
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@ -1,14 +1,28 @@ |
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#!/usr/bin/env python3 |
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import asyncio |
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from . import util |
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from electrum.network import filter_protocol, Network |
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from electrum.util import create_and_start_event_loop, log_exceptions |
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from electrum.blockchain import hash_raw_header |
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from electrum.network import filter_protocol |
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from electrum.blockchain import hash_header |
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import util |
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peers = util.get_peers() |
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peers = filter_protocol(peers, 's') |
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results = util.send_request(peers, 'blockchain.headers.subscribe', []) |
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loop, stopping_fut, loop_thread = create_and_start_event_loop() |
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network = Network() |
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network.start() |
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for n,v in sorted(results.items(), key=lambda x:x[1].get('block_height')): |
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print("%60s"%n, v.get('block_height'), hash_header(v)) |
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@log_exceptions |
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async def f(): |
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try: |
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peers = await util.get_peers(network) |
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peers = filter_protocol(peers, 's') |
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results = await util.send_request(network, peers, 'blockchain.headers.subscribe', []) |
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for server, header in sorted(results.items(), key=lambda x: x[1].get('height')): |
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height = header.get('height') |
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blockhash = hash_raw_header(header.get('hex')) |
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print("%60s" % server, height, blockhash) |
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finally: |
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stopping_fut.set_result(1) |
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asyncio.run_coroutine_threadsafe(f(), loop) |
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@ -1,10 +1,27 @@ |
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#!/usr/bin/env python3 |
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from .. import set_verbosity |
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from electrum.network import filter_version |
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from . import util |
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import json |
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set_verbosity(False) |
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import asyncio |
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from electrum.network import filter_version, Network |
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from electrum.util import create_and_start_event_loop, log_exceptions |
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from electrum import constants |
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import util |
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#constants.set_testnet() |
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loop, stopping_fut, loop_thread = create_and_start_event_loop() |
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network = Network() |
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network.start() |
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@log_exceptions |
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async def f(): |
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try: |
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peers = await util.get_peers(network) |
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peers = filter_version(peers) |
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print(json.dumps(peers, sort_keys=True, indent=4)) |
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finally: |
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stopping_fut.set_result(1) |
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servers = filter_version(util.get_peers()) |
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print(json.dumps(servers, sort_keys = True, indent = 4)) |
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asyncio.run_coroutine_threadsafe(f(), loop) |
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@ -1,20 +1,38 @@ |
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#!/usr/bin/env python3 |
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from . import util |
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import sys |
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import asyncio |
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from electrum.network import filter_protocol, Network |
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from electrum.util import create_and_start_event_loop, log_exceptions |
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import util |
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try: |
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tx = sys.argv[1] |
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txid = sys.argv[1] |
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except: |
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print("usage: txradar txid") |
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sys.exit(1) |
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peers = util.get_peers() |
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results = util.send_request(peers, 'blockchain.transaction.get', [tx]) |
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r1 = [] |
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r2 = [] |
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loop, stopping_fut, loop_thread = create_and_start_event_loop() |
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network = Network() |
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network.start() |
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for k, v in results.items(): |
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(r1 if v else r2).append(k) |
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@log_exceptions |
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async def f(): |
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try: |
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peers = await util.get_peers(network) |
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peers = filter_protocol(peers, 's') |
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results = await util.send_request(network, peers, 'blockchain.transaction.get', [txid]) |
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r1, r2 = [], [] |
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for k, v in results.items(): |
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(r1 if not isinstance(v, Exception) else r2).append(k) |
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print(f"Received {len(results)} answers") |
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try: propagation = len(r1) * 100. / (len(r1) + len(r2)) |
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except ZeroDivisionError: propagation = 0 |
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print(f"Propagation rate: {propagation:.1f} percent") |
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finally: |
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stopping_fut.set_result(1) |
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print("Received %d answers"%len(results)) |
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print("Propagation rate: %.1f percent" % (len(r1) *100./(len(r1)+ len(r2)))) |
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asyncio.run_coroutine_threadsafe(f(), loop) |
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@ -1,87 +1,46 @@ |
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import select, time, queue |
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# import electrum |
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from .. import Connection, Interface, SimpleConfig |
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import asyncio |
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from typing import List, Sequence |
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from electrum.network import parse_servers |
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from collections import defaultdict |
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from aiorpcx import TaskGroup |
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from electrum.network import parse_servers, Network |
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from electrum.interface import Interface |
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# electrum.util.set_verbosity(1) |
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def get_interfaces(servers, timeout=10): |
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'''Returns a map of servers to connected interfaces. If any |
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connections fail or timeout, they will be missing from the map. |
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''' |
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assert type(servers) is list |
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socket_queue = queue.Queue() |
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config = SimpleConfig() |
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connecting = {} |
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for server in servers: |
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if server not in connecting: |
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connecting[server] = Connection(server, socket_queue, config.path) |
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interfaces = {} |
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timeout = time.time() + timeout |
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count = 0 |
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while time.time() < timeout and count < len(servers): |
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try: |
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server, socket = socket_queue.get(True, 0.3) |
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except queue.Empty: |
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continue |
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if socket: |
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interfaces[server] = Interface(server, socket) |
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count += 1 |
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return interfaces |
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def wait_on_interfaces(interfaces, timeout=10): |
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'''Return a map of servers to a list of (request, response) tuples. |
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Waits timeout seconds, or until each interface has a response''' |
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result = defaultdict(list) |
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timeout = time.time() + timeout |
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while len(result) < len(interfaces) and time.time() < timeout: |
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rin = [i for i in interfaces.values()] |
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win = [i for i in interfaces.values() if i.unsent_requests] |
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rout, wout, xout = select.select(rin, win, [], 1) |
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for interface in wout: |
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interface.send_requests() |
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for interface in rout: |
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responses = interface.get_responses() |
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if responses: |
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result[interface.server].extend(responses) |
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return result |
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#electrum.util.set_verbosity(True) |
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def get_peers(): |
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config = SimpleConfig() |
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peers = {} |
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# 1. get connected interfaces |
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server = config.get('server') |
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if server is None: |
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print("You need to set a secure server, for example (for mainnet): 'electrum setconfig server helicarrier.bauerj.eu:50002:s'") |
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return [] |
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interfaces = get_interfaces([server]) |
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if not interfaces: |
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print("No connection to", server) |
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return [] |
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# 2. get list of peers |
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interface = interfaces[server] |
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interface.queue_request('server.peers.subscribe', [], 0) |
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responses = wait_on_interfaces(interfaces).get(server) |
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if responses: |
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response = responses[0][1] # One response, (req, response) tuple |
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peers = parse_servers(response.get('result')) |
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async def get_peers(network: Network): |
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while not network.is_connected(): |
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await asyncio.sleep(1) |
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interface = network.interface |
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session = interface.session |
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print(f"asking server {interface.server} for its peers") |
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peers = parse_servers(await session.send_request('server.peers.subscribe')) |
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print(f"got {len(peers)} servers") |
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return peers |
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def send_request(peers, method, params): |
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print("Contacting %d servers"%len(peers)) |
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interfaces = get_interfaces(peers) |
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print("%d servers could be reached" % len(interfaces)) |
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for peer in peers: |
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if not peer in interfaces: |
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print("Connection failed:", peer) |
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for msg_id, i in enumerate(interfaces.values()): |
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i.queue_request(method, params, msg_id) |
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responses = wait_on_interfaces(interfaces) |
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for peer in interfaces: |
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if not peer in responses: |
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print(peer, "did not answer") |
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results = dict(zip(responses.keys(), [t[0][1].get('result') for t in responses.values()])) |
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print("%d answers"%len(results)) |
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return results |
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async def send_request(network: Network, servers: List[str], method: str, params: Sequence): |
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print(f"contacting {len(servers)} servers") |
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num_connecting = len(network.connecting) |
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for server in servers: |
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network._start_interface(server) |
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# sleep a bit |
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for _ in range(10): |
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if len(network.connecting) < num_connecting: |
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break |
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await asyncio.sleep(1) |
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print(f"connected to {len(network.interfaces)} servers. sending request to all.") |
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responses = dict() |
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async def get_response(iface: Interface): |
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try: |
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res = await iface.session.send_request(method, params, timeout=10) |
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except Exception as e: |
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print(f"server {iface.server} errored or timed out: ({repr(e)})") |
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res = e |
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responses[iface.server] = res |
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async with TaskGroup() as group: |
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for interface in network.interfaces.values(): |
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await group.spawn(get_response(interface)) |
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print("%d answers" % len(responses)) |
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return responses |
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|
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