147 lines
5.8 KiB
Python
147 lines
5.8 KiB
Python
import asyncio
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import logging
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from aiohttp.web import Application, WebSocketResponse, json_response
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from aiohttp.http_websocket import WSMsgType, WSCloseCode
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from .node import Conductor
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PORT = 7954
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class WebSocketLogHandler(logging.Handler):
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def __init__(self, send_message):
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super().__init__()
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self.send_message = send_message
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def emit(self, record):
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try:
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self.send_message({
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'type': 'log',
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'name': record.name,
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'message': self.format(record)
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})
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except Exception:
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self.handleError(record)
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class TestingServiceAPI:
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def __init__(self, stack: Conductor, loop: asyncio.AbstractEventLoop) -> None:
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self.stack = stack
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self.loop = loop
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self.app = Application()
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self.app.router.add_post('/start', self.start_stack)
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self.app.router.add_post('/generate', self.generate)
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self.app.router.add_post('/transfer', self.transfer)
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self.app.router.add_post('/balance', self.balance)
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self.app.router.add_get('/log', self.log)
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self.app['websockets'] = set()
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self.app.on_shutdown.append(self.on_shutdown)
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self.handler = self.app.make_handler()
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self.server = None
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async def start(self):
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self.server = await self.loop.create_server(
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self.handler, '0.0.0.0', PORT
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)
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print('serving on', self.server.sockets[0].getsockname())
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async def stop(self):
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await self.stack.stop()
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self.server.close()
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await self.server.wait_closed()
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await self.app.shutdown()
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await self.handler.shutdown(60.0)
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await self.app.cleanup()
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async def start_stack(self, _):
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handler = WebSocketLogHandler(self.send_message)
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logging.getLogger('blockchain').setLevel(logging.DEBUG)
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logging.getLogger('blockchain').addHandler(handler)
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logging.getLogger('electrumx').setLevel(logging.DEBUG)
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logging.getLogger('electrumx').addHandler(handler)
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logging.getLogger('Controller').setLevel(logging.DEBUG)
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logging.getLogger('Controller').addHandler(handler)
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logging.getLogger('LBRYBlockProcessor').setLevel(logging.DEBUG)
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logging.getLogger('LBRYBlockProcessor').addHandler(handler)
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logging.getLogger('LBCDaemon').setLevel(logging.DEBUG)
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logging.getLogger('LBCDaemon').addHandler(handler)
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logging.getLogger('torba').setLevel(logging.DEBUG)
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logging.getLogger('torba').addHandler(handler)
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logging.getLogger(self.stack.ledger_module.__name__).setLevel(logging.DEBUG)
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logging.getLogger(self.stack.ledger_module.__name__).addHandler(handler)
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logging.getLogger(self.stack.ledger_module.__electrumx__.split('.')[0]).setLevel(logging.DEBUG)
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logging.getLogger(self.stack.ledger_module.__electrumx__.split('.')[0]).addHandler(handler)
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#await self.stack.start()
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self.stack.blockchain_started or await self.stack.start_blockchain()
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self.send_message({'type': 'service', 'name': 'blockchain'})
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self.stack.spv_started or await self.stack.start_spv()
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self.send_message({'type': 'service', 'name': 'spv'})
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self.stack.wallet_started or await self.stack.start_wallet()
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self.send_message({'type': 'service', 'name': 'wallet'})
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self.stack.wallet_node.ledger.on_header.listen(self.on_status)
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self.stack.wallet_node.ledger.on_transaction.listen(self.on_status)
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return json_response({'started': True})
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async def generate(self, request):
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data = await request.post()
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blocks = data.get('blocks', 1)
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await self.stack.blockchain_node.generate(int(blocks))
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return json_response({'blocks': blocks})
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async def transfer(self, request):
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data = await request.post()
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address = data.get('address')
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if not address:
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address = await self.stack.wallet_node.account.receiving.get_or_create_usable_address()
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amount = data.get('amount', 1)
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txid = await self.stack.blockchain_node.send_to_address(address, amount)
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await self.stack.wallet_node.ledger.on_transaction.where(
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lambda e: e.tx.id == txid and e.address == address
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)
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return json_response({
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'address': address,
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'amount': amount,
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'txid': txid
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})
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async def balance(self, _):
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return json_response({
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'balance': await self.stack.blockchain_node.get_balance()
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})
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async def log(self, request):
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web_socket = WebSocketResponse()
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await web_socket.prepare(request)
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self.app['websockets'].add(web_socket)
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try:
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async for msg in web_socket:
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if msg.type == WSMsgType.TEXT:
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if msg.data == 'close':
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await web_socket.close()
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elif msg.type == WSMsgType.ERROR:
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print('web socket connection closed with exception %s' %
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web_socket.exception())
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finally:
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self.app['websockets'].remove(web_socket)
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return web_socket
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@staticmethod
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async def on_shutdown(app):
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for web_socket in app['websockets']:
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await web_socket.close(code=WSCloseCode.GOING_AWAY, message='Server shutdown')
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async def on_status(self, _):
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if not self.app['websockets']:
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return
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self.send_message({
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'type': 'status',
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'height': self.stack.wallet_node.ledger.headers.height,
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'balance': await self.stack.wallet_node.account.get_balance(),
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'miner': await self.stack.blockchain_node.get_balance()
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})
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def send_message(self, msg):
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for web_socket in self.app['websockets']:
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asyncio.ensure_future(web_socket.send_json(msg))
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