def exists(cls, founder, partner):
"""
:param founder: URL of channel founder
:param partner: URL of channel partner
:return:
"""
# judge whether the channel exist or not
if Channel.get_channel(founder, partner, EnumChannelState.OPENED):
console_log.warning('OPENED channel already exists.')
return False
else:
# creating channel is ongoing
# channel = Channel.get_channel(founder, partner, EnumChannelState.OPENING)
# if :
# console.warning('Channel {} is on the way. Please try later if failed')
# return
pass
return True
def channel_trans(self, arguments):
"""
:param arguments:
:return:
"""
if len(arguments) == 2:
# payment code
pay_code = get_arg(arguments, 1)
result, info = Payment.decode_payment_code(pay_code)
if result:
receiver = info.get("uri")
net_magic = info.get('net_magic')
if not net_magic or net_magic != str(get_magic()):
console_log.error("No correct net magic")
return None
hashcode = info.get("hashcode")
asset_type = info.get("asset_type")
# asset_type = get_asset_type_name(asset_type)
count = info.get("payment")
comments = info.get("comments")
console_log.info("will pay {} {} to {} comments {}".format(
TrinityNumber.convert_to_number(count), asset_type,
receiver, comments))
else:
console_log.error("The payment code is not correct")
return
else:
receiver = get_arg(arguments, 1)
asset_type = get_arg(arguments, 2)
count = TrinityNumber(get_arg(arguments, 3).strip()).number
hashcode = get_arg(arguments, 4)
if not receiver or not asset_type or not count:
self.help()
return None
asset_type = asset_type.upper() if check_support_asset_type(
asset_type) else None
if not asset_type:
console_log.error(
"No support asset, current just support {}".format(
str(SupportAssetType.SupportAssetType)))
return None
if 0 >= count:
console_log.warn('Not support negative number or zero.')
return None
# query channels by address
channel_set = Channel.get_channel(self.Wallet.url, receiver,
EnumChannelState.OPENED)
if channel_set and channel_set[0]:
Channel.transfer(channel_set[0].channel,
self.Wallet,
receiver,
asset_type,
count,
cli=True,
comments=hashcode,
trigger=RsmcMessage.create)
else:
if not hashcode:
console_log.error("No hashcode")
return None
try:
message = {
"MessageType": "GetRouterInfo",
"Sender": self.Wallet.url,
"Receiver": receiver,
"AssetType": asset_type,
"NetMagic": get_magic(),
"MessageBody": {
"AssetType": asset_type,
"Value": count
}
}
result = gate_way.get_router_info(message)
routerinfo = json.loads(result.get("result"))
except Exception as error:
LOG.error(
'Exception occurred during get route info. Exception: {}'.
format(error))
console_log.warning('No router was found.')
return
else:
router = routerinfo.get("RouterInfo")
if not router:
LOG.error('Router between {} and {} was not found.'.format(
self.Wallet.url, receiver))
console_log.error('Router not found for HTLC transfer.')
return
full_path = router.get("FullPath")
LOG.info("Get Router {}".format(str(full_path)))
next_jump = router.get("Next")
LOG.info("Get Next {}".format(str(next_jump)))
fee_router = [
i for i in full_path if i[0] not in (self.Wallet.url, receiver)
]
if fee_router:
# fee = reduce(lambda x, y:x+y,[TrinityNumber(str(i[1]).strip()).number for i in fee_router])
fee = reduce(lambda x, y: x + y,
[float(i[1]) for i in fee_router])
else:
fee = 0
fee = TrinityNumber(str(fee)).number
count = int(count) + fee
fee = fee / pow(10, 8)
receiver = full_path[1][0]
channel_set = Channel.get_channel(self.Wallet.url, receiver,
EnumChannelState.OPENED)
if not (channel_set and channel_set[0]):
print('No OPENED channel was found for HTLC trade.')
return
LOG.info("Get Fee {}".format(fee))
answer = prompt(
"You will pay extra fee {}. Do you wish continue this transaction? [Yes/No]>"
.format(fee))
if answer.upper() in ["YES", "Y"]:
channel_name = channel_set[0].channel
Channel.transfer(channel_name,
self.Wallet,
receiver,
asset_type,
count,
hashcode,
router=full_path,
next_jump=full_path[2][0],
cli=True,
trigger=HtlcMessage.create)
else:
return
def create(cls,
wallet,
founder,
partner,
asset_type,
deposit,
partner_deposit=None,
comments=None,
trigger=None,
cli=True):
"""
Provide one method to be called by the wallet prompt console.
:param wallet:
:param partner:
:param asset_type:
:param deposit:
:param partner_deposit:
:param comments:
:param cli:
:return:
"""
if not (wallet and partner and asset_type and deposit):
LOG.error('Invalid parameters:wallet<{}>, founder<{}>, partner<{}>, asset_type<{}>, deposit<{}>' \
.format(wallet, founder, partner, asset_type, deposit))
# here we could use some hooks to register event to handle output console ????
console_log.error(
'Illegal mandatory parameters. Please check in your command.')
return False
# use deposit as default value for both partners if partner's deposit is not set:
if not partner_deposit:
partner_deposit = deposit
# judge whether the channel exist or not
if Channel.get_channel(founder, partner, EnumChannelState.OPENED):
console_log.warning('OPENED channel already exists.')
return False
else:
# creating channel is ongoing
# channel = Channel.get_channel(founder, partner, EnumChannelState.OPENING)
# if :
# console.warning('Channel {} is on the way. Please try later if failed')
# return
pass
channel_name = cls.new_channel_name(founder, partner)
if cli:
deposit = int(deposit)
partner_deposit = int(partner_deposit)
if 0 >= deposit or 0 >= partner_deposit:
LOG.error('Could not register channel because of illegal deposit<{}:{}>.'\
.format(deposit, partner_deposit))
return False
try:
trigger(wallet, channel_name, asset_type, founder, deposit,
partner, partner_deposit, comments)
except Exception as error:
LOG.info('Create channel<{}> failed. Exception: {}'.format(
channel_name, error))
return False
return True