def get_channel_state(address):
"""
:param sender_addr:
:param receiver_addr:
:return:
"""
channel_infos = []
channels = get_channelnames_via_address(address)
for channel in channels:
ch = Channel(channel.sender, channel.receiver)
channel_detail = [{
"address": ch.sender,
"deposit": ch.sender_deposit,
"balance": ch.get_address_balance(ch.sender)
}, {
"address": ch.receiver,
"deposit": ch.receiver_deposit,
"balance": ch.get_address_balance(ch.receiver)
}]
channel_info = {
"channel_name": ch.channel_name,
"channel_state": str(State(ch.stateinDB)),
"open_block": ch.open_block_number,
"tx_info": channel_detail
}
channel_infos.append(channel_info)
return channel_infos
def get_channel_state(address):
"""
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:return: Dictionary, the chnnnel information
"""
channel_infos =[]
channels = get_channelnames_via_address(address)
for channel in channels:
channel_detail =[]
ch = Channel(channel.sender, channel.receiver)
sender_info = {"address": ch.sender,
"deposit": ch.sender_deposit,
"balance": ch.get_address_balance(ch.sender) if ch.get_address_balance(ch.sender) else 0}
recevier_info = {"address": ch.receiver,
"deposit": ch.receiver_deposit,
"balance": ch.get_address_balance(ch.receiver) if ch.get_address_balance(ch.receiver) else 0}
if ch.sender == address:
channel_detail.append(sender_info)
channel_detail.append(recevier_info)
else:
channel_detail.append(recevier_info)
channel_detail.append(sender_info)
channel_info = {
"channel_name": ch.channel_name,
"channel_state": str(State(ch.stateinDB)),
"open_block":ch.open_block_number,
"tx_info": channel_detail
}
channel_infos.append(channel_info)
return channel_infos
def update_deposit(address, channel_name, asset_type, value):
"""
:param address:
:param channel_name:
:param asset_type:
:param value:
:return:
"""
sender, receiver = split_channel_name(channel_name)
channel = Channel(sender, receiver)
if channel.sender == address:
if channel.state_in_database != State.OPEN:
return {
"channel_name":
channel.channel_name,
"trad_info":
"Channel exist but in state %s" %
str(State(channel.state_in_database))
}
else:
raw_tans = blockchain.NewTransection(asset_type, address,
Contract_addr, int(value))
channel.update_channel_to_database(sender_deposit_cache=int(value))
elif channel.receiver == address:
raw_tans = blockchain.NewTransection(asset_type, address,
Contract_addr, int(value))
channel.update_channel_to_database(receiver_deposit_cache=int(value))
else:
return {"error": "channel name not match the address"}
return {"channel_name": channel.channel_name, "trad_info": raw_tans}
def regist_channel(sender_addr, receiver_addr, asset_type,deposit, open_blockchain):
"""
This func is to register channel
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:param asset_type: String, asset type should be symbol name , asset id should be configured in the configure.json
:param deposit: String, depoist number in block chain
:param open_blockchain: Open block chain number
:return: Dictionary, {"channel_name":channel_name,
"trad_info":raw_tans}
"""
channel = Channel(sender_addr,receiver_addr)
if channel.find_channel():
return {"error": "channel already exist"}
else:
raw_tans,state = blockchain.NewTransection(asset_type, sender_addr, Contract_addr, int(deposit))
if state:
channel_name = channel.create(sender_deposit=int(deposit),reciever_deposit=0,
open_block_number=int(open_blockchain),settle_timeout=10)
return {"channel_name": channel_name,
"trad_info": raw_tans}
else:
return {"channel_name":None,
"trad_info":raw_tans}
def update_deposit(address, channel_name, asset_type, value):
"""
:param address: String , address
:param channel_name: String, channel name
:param asset_type: String, asset type
:param value: String , the deposit number
:return: {"channel_name": channel.channel_name,
"trad_info": raw_tans}
"""
sender, receiver = split_channel_name(channel_name)
channel = Channel(sender, receiver)
if channel.sender == address:
if channel.state_in_database != State.OPEN:
return {"channel_name": channel.channel_name,
"trad_info": "Channel exist but in state %s" % str(State(channel.state_in_database))}
else:
channel.update_channel_to_database(sender_deposit_cache=float(value))
raw_tans ,state= blockchain.NewTransection(asset_type, address, Contract_addr, value)
if state:
channel.update_channel_state(state = State.UPDATING)
elif channel.receiver == address:
channel.update_channel_to_database(receiver_deposit_cache=float(value))
raw_tans, state = blockchain.NewTransection(asset_type, address, Contract_addr, value)
if state:
channel.update_channel_state(state=State.UPDATING)
else:
return {"error":"channel name not match the address"}
return {"channel_name": channel.channel_name,
"trad_info": raw_tans}
def setUpClass(cls):
cls.sender = "0x123456789"
cls.receiver = "0x34567890"
cls.deposit = 100
cls.open_block_number = 100
cls.channel = Channel(cls.sender, cls.receiver, cls.deposit,
cls.open_block_number)
def close_channel(sender_addr, receiver_addr, channel_name):
"""
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:param channel_name: String, channel name
:return:
"""
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
return ch.settle_balance_onchain()
def depoist_out(address, value):
channel_name = get_channelnames_via_address(address)
if channel_name:
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
ch.delete_channle_in_database()
ch.delete_channel()
else:
return None
return address
def close_channel(sender_addr, receiver_addr,channel_name):
"""
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:param channel_name: String, channel name
:return:
"""
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
ch.update_channel_state(State.SETTLING)
return ch.settle_banlace_onblockchain()
def depoistout(address, value):
channels = get_channelnames_via_address(address)
success_channel = []
for channel in channels:
if channel.state == State.SETTLING.value:
sender, receiver = split_channel_name(channel.channel_name)
ch = Channel(sender, receiver)
ch.close()
success_channel.append(channel.channel_name)
else:
continue
def close_channel(sender_addr, receiver_addr, channel_name):
"""
:param sender_addr:
:param receiver_addr:
:param channel_name:
:return:
"""
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
return ch.close()
def depoist_in(address, value):
channel_name = get_channelnames_via_address(address)
if channel_name:
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
if address == sender and ch.stateinDB == State.OPENING and value == ch.sender_deposit_cache:
ch.update_channel_state(State.OPEN)
elif address == receiver and ch.stateinDB == State.OPENING and value == ch.receiver_deposit_cache:
ch.update_channel_state(State.OPEN)
else:
return None
else:
return None
return address
def sender_to_receiver(sender_addr, receiver_addr, channel_name, asset_type, count):
"""
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:param channel_name: String, channel name
:param asset_type: String, asset type should be symbol name , asset id should be configured in the configure.json
:param count: String, depoist number in block chain
:return:
"""
sender,receiver = split_channel_name(channel_name)
ch = Channel(sender,receiver)
if sender_addr == ch.sender and receiver_addr == ch.receiver:
return ch.sender_to_receiver(float(count))
elif receiver_addr == ch.sender and sender_addr == ch.receiver:
return ch.receiver_to_sender(float(count))
else:
return {"error":"Address and Channelname not match"}
def depositin(address, value):
channels = get_channelnames_via_address(address)
success_channel = []
for channel in channels:
print(channel.channel_name)
sender, receiver = split_channel_name(channel.channel_name)
ch = Channel(sender, receiver)
# if address == sender and value == ch.sender_deposit_cache:
if address == sender:
ch.set_channel_open()
success_channel.append(channel.channel_name)
# elif address == receiver and value == ch.receiver_deposit_cache:
elif address == receiver:
ch.set_channel_open()
success_channel.append(channel.channel_name)
else:
continue
def regist_channel(sender_addr, receiver_addr, asset_type, deposit,
open_blockchain):
"""
This func is to register channel
:param sender_addr: String, the sender address
:param receiver_addr: String, receiver's address
:param asset_type: String, asset type should be symbol name , asset id should be configured in the configure.json
:param deposit: String, depoist number in block chain
:param open_blockchain: Open block chain number
:return: Dictionary, {"channel_name":channel_name,
"trad_info":raw_tans}
"""
channel = Channel(sender_addr, receiver_addr)
logger.info('start to register channel')
if channel.qeury_channel():
return {"error": "channel already exist"}
else:
channel_name = channel.create(sender_deposit=int(deposit),
open_block_number=int(open_blockchain),
settle_timeout=10)
if not channel_name:
return {
"channel_name": None,
"contract_address": None,
"trad_info": "on pub key or not register pub key"
}
channel.qeury_channel()
raw_tans, tx_id, state = blockchain.deposit_transaction(
asset_type, sender_addr, channel.contract_address, int(deposit))
if state:
channel.update_channel_to_database(tx_id=tx_id,
state=State.OPENING)
return {
"channel_name": channel_name,
"contract_address": channel.contract_address,
"trad_info": raw_tans
}
else:
channel.delete_channel()
channel.delete_channel_in_database()
return {
"channel_name": None,
"contract_address": None,
"trad_info": raw_tans
}
def sender_to_receiver(sender_addr, receiver_addr, channel_name, asset_type,
count):
"""
:param sender_addr:
:param receiver_addr:
:param channel_name:
:param asset_type:
:param count:
:return:
"""
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
if sender_addr == ch.sender and receiver_addr == ch.receiver:
return ch.sender_to_receiver(int(count))
elif receiver_addr == ch.sender and sender_addr == ch.receiver:
return ch.receiver_to_sender(int(count))
else:
return {"error": "Address and Channelname not match"}
def send_raw_transaction(sender_address, channel_name, hex):
"""
:param sender_address:
:param channel_name:
:param hex:
:return:
"""
blockchain.send_raw_transection(hex)
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
sender_deposit = ch.sender_deposit
receiver_deposit = ch.receiver_deposit
sender_cache = ch.sender_deposit_cache
receiver_cache = ch.receiver_deposit_cache
ch.update_channel_deposit(sender_deposit=sender_deposit + sender_cache,
receiver_deposit=receiver_deposit +
receiver_cache)
return ch.set_channel_open()
def regist_channel(sender_addr, receiver_addr, asset_type, deposit,
open_blockchain):
"""
:param sender_addr:
:param receiver_addr:
:param asset_type:
:param deposit:
:param open_blockchain:
:return:
"""
channel = Channel(sender_addr, receiver_addr)
if channel.find_channel():
return {"error": "channel already exist"}
else:
channel_name = channel.create(sender_deposit=int(deposit),
reciever_deposit=0,
open_block_number=int(open_blockchain),
settle_timeout=10)
raw_tans = blockchain.NewTransection(asset_type, sender_addr,
Contract_addr, int(deposit))
return {"channel_name": channel_name, "trad_info": raw_tans}
def _get_channel_states_info(address):
channel_infos = []
channels = get_channelnames_via_address(address)
for channel in channels:
channel_detail = []
ch = Channel(channel.sender, channel.receiver)
sender_info = {
"address":
ch.sender,
"deposit":
ch.sender_deposit,
"balance":
ch.get_address_balance(ch.sender)
if ch.get_address_balance(ch.sender) else 0
}
recevier_info = {
"address":
ch.receiver,
"deposit":
ch.receiver_deposit,
"balance":
ch.get_address_balance(ch.receiver)
if ch.get_address_balance(ch.receiver) else 0
}
if ch.sender == address:
channel_detail.append(sender_info)
channel_detail.append(recevier_info)
else:
channel_detail.append(recevier_info)
channel_detail.append(sender_info)
channel_info = {
"channel_name": ch.channel_name,
"channel_state": str(State(ch.stateinDB)),
"open_block": ch.open_block_number,
"contract_address": ch.contract_address,
"tx_info": channel_detail
}
channel_infos.append(channel_info)
return channel_infos
def get_history(channel_name, index, count):
sender, receiver = split_channel_name(channel_name)
ch = Channel(sender, receiver)
result = ch.read_channel()
return result[int(index):int(index) + int(count)]
