def open_channel(self, pubkey, local_funding_amount):
pubkey_bytes = codecs.decode(pubkey, 'hex')
request = ln.OpenChannelRequest(
node_pubkey=pubkey_bytes,
node_pubkey_string=pubkey,
local_funding_amount=local_funding_amount)
try:
response = self.stub.OpenChannel(request)
#TODO: return success when OpenChannel finishes
except grpc._channel._Rendezvous as e:
print "Error opening channel with " + pubkey + ' ' + str(e)
def open_channel(self, **kwargs):
if not self.channel_exists_with_node(
kwargs.get('node_pubkey_string')) or kwargs.get('force'):
try:
if kwargs.get('force') is not None:
del kwargs['force']
request = ln.OpenChannelRequest(**kwargs)
response = self.client.OpenChannelSync(request)
return response
except Exception as e:
logger.exception(e)
else:
raise AssertionError('Channel already opened')
def openchannel(self, node_id, host, port, satoshis):
peers = self.rpc.stub.ListPeers(lnrpc.ListPeersRequest()).peers
peers_by_pubkey = {p.pub_key: p for p in peers}
if node_id not in peers_by_pubkey:
raise ValueError("Could not find peer {} in peers {}".format(node_id, peers))
peer = peers_by_pubkey[node_id]
self.rpc.stub.OpenChannel(lnrpc.OpenChannelRequest(
node_pubkey=codecs.decode(peer.pub_key, 'hex_codec'),
local_funding_amount=satoshis,
push_sat=0
))
# Somehow broadcasting a tx is slow from time to time
time.sleep(5)
def _fundchannel(self, node_id, satoshis=None):
try:
request = ln.OpenChannelRequest(node_pubkey_string=node_id,
local_funding_amount=satoshis
or self.channel_amount)
response = self.stub.OpenChannelSync(request)
logging.info(response)
if response.funding_txid_str:
return response.funding_txid_str
else:
return MessageToJson(response)
except grpc.RpcError as e:
logging.error(e)
return e.details()
def open_chan_with_node(node):
request_channel_open = ln.OpenChannelRequest(
node_pubkey=node.pub_key.decode("hex"),
node_pubkey_string=node.pub_key,
local_funding_amount=our_chan_size,
push_sat=0,
target_conf=0,
sat_per_byte=1, # Give some fee to miners
private=0,
min_htlc_msat=0,
)
print("[NetView Upkeep] Attempting to open channel with " + term_print(node.pub_key, bcolors.WARNING))
try:
response = stub.OpenChannelSync(request_channel_open, metadata=[('macaroon', macaroon)])
print(
term_print("OPENED with TX:\t", bcolors.OKGREEN) + term_print(str(response.funding_txid_bytes.encode('hex')),
bcolors.WARNING))
except Exception as e:
print(term_print("FAILED\t", bcolors.FAIL) + str(e.code()) + "\t" + str(e.details()))
def open_channel(source_container, dest_container, amount):
"""Open a channel between the 2 specified containers."""
# source_info = get_info(source_container)
dest_info = get_info(dest_container)
try:
connect(source_container, dest_container)
except Exception:
# TODO: Catch more specific error
pass
channel = get_channel(source_container)
macaroon = codecs.encode(
open(_macaroon(source_container), 'rb').read(), 'hex')
stub = lnrpc.LightningStub(channel)
request = ln.OpenChannelRequest(
node_pubkey_string=dest_info.identity_pubkey,
local_funding_amount=amount,
spend_unconfirmed=True,
)
stub.OpenChannelSync(request, metadata=[('macaroon', macaroon)])
for j in data[i].split():
print j
port2 = str(j) if int(j) >= 10 else '0' + str(j)
print port2
request = ln.ConnectPeerRequest(addr=ln.LightningAddress(
pubkey=address[int(j)], host='localhost:201' + port2))
print address[int(j)] + '@localhost:201' + port2
response = stub.ConnectPeer(request)
print response
print str.encode(str(address[int(j)]))
time.sleep(10)
print address[int(j)]
request = ln.OpenChannelRequest(node_pubkey=str(address[int(j)]),
node_pubkey_string=str(
address[int(j)]),
local_funding_amount=5000000,
push_sat=3000000)
response = stub.OpenChannelSync(request)
# Do something
print response
command_line = "/Users/thanh_nc/go/bin/btcctl --simnet --rpcuser=kek --rpcpass=kek generate 4"
print command_line
args = shlex.split(command_line)
call(args)
time.sleep(10)
while True:
btcd.poll()
def channelpage():
try:
rpc_connect = AuthServiceProxy("http://{}:{}@{}:{}".format(rpc_user,rpc_password,allowed_ip,rpc_port))
chain_type = rpc_connect.getblockchaininfo()['chain']
if chain_type == "test":
chaintype_ln = "testnet"
else:
chaintype_ln = "mainnet"
os.environ["GRPC_SSL_CIPHER_SUITES"] = 'HIGH+ECDSA'
with open(os.path.expanduser(lnd_dir_location + 'data/chain/bitcoin/{}/admin.macaroon'.format(chaintype_ln)), 'rb') as f:
macaroon_bytes = f.read()
macaroon = codecs.encode(macaroon_bytes, 'hex')
cert = open(os.path.expanduser(lnd_dir_location + 'tls.cert'), 'rb').read()
creds = grpc.ssl_channel_credentials(cert)
channel = grpc.secure_channel('localhost:10009', creds)
stub = lnrpc.LightningStub(channel)
response = stub.ListChannels(ln.ListChannelsRequest(), metadata=[('macaroon', macaroon)])
walbal = stub.WalletBalance(ln.WalletBalanceRequest(), metadata=[('macaroon', macaroon)])
availablefunds = walbal.confirmed_balance
channellist = response.channels
closedchannelidentifiers = []
channelidentifiers = []
pendingchannelidentifiers = []
pendingresponse = stub.PendingChannels(ln.PendingChannelsRequest(), metadata=[('macaroon', macaroon)])
pend = pendingresponse.pending_open_channels
for i in pend:
k = ((str(i.channel.remote_node_pub)), str(i.channel.channel_point), int(i.channel.capacity), int(i.channel.local_balance))
pendingchannelidentifiers.append(k)
length_of_pending = len(pendingchannelidentifiers)
closedresponse = stub.ClosedChannels(ln.ClosedChannelsRequest(), metadata=[('macaroon', macaroon)])
for i in closedresponse.channels:
p = (str(i.remote_pubkey), str(i.channel_point), int(i.capacity), int(i.close_height), int(i.settled_balance))
closedchannelidentifiers.append(p)
length_of_closed = len(closedchannelidentifiers)
for i in channellist:
if i.active == True:
k = (str(i.remote_pubkey), int(i.capacity), int(i.local_balance), int(i.remote_balance), int(i.commit_fee), str(i.channel_point))
channelidentifiers.append(k)
conn = True
length_of = len(channelidentifiers)
try:
outcap = sum(zip(*channelidentifiers)[2])
incap = sum(zip(*channelidentifiers)[3])
except:
outcap = incap = 0
length_of = 0
except:
conn = False
if conn == True:
if request.method == "POST":
if request.form['action'] == "openchan":
try:
pkstring = str(request.form['channelpubkey'])
locfundamt = int(request.form['channelamt'])
response = stub.OpenChannelSync(ln.OpenChannelRequest(node_pubkey_string=pkstring, local_funding_amount=locfundamt, push_sat=0), metadata=[('macaroon', macaroon)])
if response.funding_txid_bytes:
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, opened="True", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
except:
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, opened="True", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
elif request.form['action'] == "closechan":
try:
return ln.ChannelPoint(funding_txid_string=str(request.form['channelpubkey']))
stub.CloseChannel(ln.CloseChannelRequest(channel_point=channelpoint), metadata=[('macaroon', macaroon)])
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, closed="pendclose", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
except:
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, closed="couldntclose", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
elif request.form['action'] == "fclosechan":
try:
return ln.ChannelPoint(funding_txid_string=str(request.form['channelpubkey']))
stub.CloseChannel(ln.CloseChannelRequest(channel_point=channelpoint, force=True), metadata=[('macaroon', macaroon)])
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, closed="pendclose", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
except:
return render_template('channels.html', availablefunds=availablefunds, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers,
outcap=outcap, incap=incap, conn=conn, closed="couldntclose", length_of=length_of, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
else:
return render_template('channels.html', conn=conn, length_of=length_of, channelidentifiers=channelidentifiers, closedchannelidentifiers=closedchannelidentifiers, incap=incap,
outcap=outcap, availablefunds=availablefunds, length_of_closed=length_of_closed, pendingchannelidentifiers=pendingchannelidentifiers, length_of_pending=length_of_pending)
return render_template('channels.html', conn=conn, length_of=0, channelidentifiers=0, closedchannelidentifiers=0, incap=0,
outcap=0, availablefunds=0, length_of_closed=0, pendingchannelidentifiers=0, length_of_pending=0)
stub = lnrpc.LightningStub(channel)
ls = lnrpc.LightningServicer()
if 1:
n = sys.argv[1]
pubkey, host = n.split('@')
addr = ln.LightningAddress(pubkey=pubkey, host=host)
request = ln.ConnectPeerRequest(addr=addr)
try:
response = stub.ConnectPeer(request)
print response
except grpc._channel._Rendezvous as e:
print "Error connecting to " + pubkey + ' ' + str(e)
sys.exit()
# try to open a channel to the new peer
import codecs
dest_hex = pubkey
dest_bytes = codecs.decode(dest_hex, 'hex')
request = ln.OpenChannelRequest(node_pubkey=dest_bytes,
node_pubkey_string=pubkey,
local_funding_amount=1000000)
try:
response = stub.OpenChannel(request)
print response
sleep(10)
print response
except grpc._channel._Rendezvous as e:
print "Error opening channel with " + pubkey + ' ' + str(e)