def _set_keyed_bs(self, key):
self.keyed_bs = BitShares(
node=self.node,
keys=key,
blocking='head',
nobroadcast=False,
)
def get_pools(self, data):
self.node = data['node']
self.denomination = data['denomination']
self.bs = BitShares(
node=self.node,
nobroadcast=True,
blocking='head',
)
set_shared_blockchain_instance(self.bs)
self._set_ws_connection()
_counter = 0
data = []
while _counter < POOL_ID_LIMIT:
payload_string = "1.19." + str(_counter)
payload1 = {
"id":
1,
"method":
"call",
"params": [
"database", "list_liquidity_pools",
[100, payload_string, False]
]
}
self.ws.send(json.dumps(payload1))
result1 = self.ws.recv()
r = json.loads(result1)
# print(r)
for i in r['result']:
data.append(
f'{Asset(self.bs.rpc.get_object(i["id"])["share_asset"]).symbol} {i["id"]}'
)
_counter += 100
pub.sendMessage('return_pool_list', data=data)
def ticker_test():
start = time.time()
bitshares = BitShares(node=TEST_CONFIG['node'])
market = Market('OPEN.BTC:BTS', bitshares_instance=bitshares)
ticker = market.ticker()
print(ticker)
end = time.time()
print("Total time: {}".format(end - start))
def new_bitshares_instance(self, node, retries=-1, expiration=60):
""" Create bitshares instance
:param retries: Number of retries to connect, -1 default to infinity
:param expiration: Delay in seconds until transactions are supposed to expire
:param list node: Node or a list of nodes
"""
self.bitshares_instance = BitShares(node, num_retries=retries, expiration=expiration)
set_shared_bitshares_instance(self.bitshares_instance)
def test_dexbot(self):
bitshares_instance = BitShares(node=TEST_CONFIG['node'], keys=KEYS)
worker_infrastructure = WorkerInfrastructure(
config=TEST_CONFIG, bitshares_instance=bitshares_instance)
import pdb
pdb.set_trace()
def wait_then_stop():
time.sleep(20)
worker_infrastructure.do_next_tick(worker_infrastructure.stop)
stopper = threading.Thread(target=wait_then_stop)
stopper.start()
worker_infrastructure.run()
stopper.join()
def verify_signature(accUsername, auth_sig_hash, auth_sig):
dacom = BitShares(DACOM_NODE_WSS)
account = dacom.rpc.get_account(accUsername)
signature = unhexlify(auth_sig)
pub = PublicKey(account['active']['key_auths'][0][0], 'FLO')
vk = ecdsa.VerifyingKey.from_public_point(pub.point(),
curve=ecdsa.SECP256k1)
sig = bytes(signature)[1:]
recoverParameter = (bytes(signature)[0]) - 4 - 27
digest = hashlib.sha256(auth_sig_hash).digest()
# digest = hashlib.sha256(b'sdf').digest()
p = _recover_public_key(digest, sig, recoverParameter)
if p.to_der() != vk.to_der():
raise ValueError()
def flag_completed(block_num):
network = Config.get("network_type")
connection = Config.get("bitshares", "connection", network)
# connection["keys"] = key
instance = BitShares(**connection)
irr = instance.rpc.get_dynamic_global_properties().get(
"last_irreversible_block_num")
head = instance.rpc.get_dynamic_global_properties().get(
"head_block_number")
print("Blockchain Monitor: Looking for block " + str(block_num),
", current head=" + str(head) + ", irreversible=" + str(irr))
monitor = BlockchainMonitor(storage=store,
bitshares_instance=instance)
monitor.start_block = block_num - 1
monitor.stop_block = block_num + 1
monitor.listen()
def run():
socketio = SocketIO(message_queue='redis://')
bitshares = BitShares(node="wss://this.uptick.rocks/")
chain = Blockchain(mode="head", bitshares_instance=bitshares)
print(chain.bitshares.rpc.url)
for block in chain.blocks():
timestamp = int(datetime.strptime(block["timestamp"], '%Y-%m-%dT%H:%M:%S').timestamp())
num_ops = sum([len(tx["operations"]) for tx in block["transactions"]])
num_txs = len(block["transactions"])
BTSBlock(timestamp, block.get("block_num", None), num_txs, num_ops)
notice = {
"block": block.get("block_num", 0),
"timestamp": timestamp,
"num_transactions": num_txs,
"num_operations": num_ops,
}
print(notice)
socketio.emit(
'notice',
notice,
namespace=namespace,
room=room,
broadcast=True)
def loop_test():
bitshares = BitShares(node=TEST_CONFIG['node'])
market = Market('OPEN.BTC:BTS', bitshares_instance=bitshares)
count = 1
total_time = 0
while count < MAX_ITER:
try:
start = time.time()
ticker = market.ticker()
print(ticker)
end = time.time()
runtime = end - start
print("Total time: {}".format(runtime))
count += 1
total_time += runtime
except Exception as e:
print(e)
print('Connection Closed')
break
return total_time
class Model:
BLOCK_HOUR = 1200
def __init__(self, **kwargs):
self.bs = None
self.keyed_bs = None
self.ws = None
self.node = None
self.denomination = None
self.pool_id = None
self.asset_a_precision = None
self.asset_b_precision = None
self.share_asset_precision = None
self.virtual_value = None
self.invariant = None
self.asset_a_id = None
self.asset_a_symbol = None
self.asset_a_balance = None
self.asset_b_id = None
self.asset_b_symbol = None
self.asset_b_balance = None
self.share_asset_id = None
self.share_asset_symbol = None
self.share_asset_balance = None
self.swap_fee = None
self.withdraw_fee = None
self.price_switch = 'b/a'
self.history = []
self.usd_val_a = 0
self.usd_val_b = 0
self.bts_val_a = 0
self.bts_val_b = 0
self.cny_val_a = 0
self.cny_val_b = 0
def pool_change(self, new_pool_str):
new_data = {}
pool_obj = self.bs.rpc.get_object(new_pool_str.split(' ')[1])
self.usd_val_a = 0
self.usd_val_b = 0
self.bts_val_a = 0
self.bts_val_b = 0
self.cny_val_a = 0
self.cny_val_b = 0
asset_a = Asset(pool_obj['asset_a'])
asset_b = Asset(pool_obj['asset_b'])
share_asset = Asset(pool_obj['share_asset'])
self.pool_id = pool_obj['id']
self.asset_a_precision = asset_a.precision
new_data['asset_a_precision'] = self.asset_a_precision
self.asset_b_precision = asset_b.precision
new_data['asset_b_precision'] = self.asset_b_precision
self.share_asset_precision = share_asset.precision
self.virtual_value = pool_obj['virtual_value']
self.invariant = int(self.virtual_value) / (10**(
int(self.asset_a_precision) + int(self.asset_b_precision)))
self.asset_a_id = asset_a.identifier
new_data['asset_a_id'] = self.asset_a_id
self.asset_a_symbol = asset_a.symbol
new_data['asset_a_symbol'] = self.asset_a_symbol
self.asset_a_balance = str(
int(pool_obj['balance_a']) / 10**asset_a.precision)
new_data['asset_a_balance'] = self.asset_a_balance
self.asset_b_id = asset_b.identifier
new_data['asset_b_id'] = self.asset_b_id
self.asset_b_symbol = asset_b.symbol
new_data['asset_b_symbol'] = self.asset_b_symbol
self.asset_b_balance = str(
int(pool_obj['balance_b']) / 10**asset_b.precision)
new_data['asset_b_balance'] = self.asset_b_balance
self.share_asset_id = share_asset.identifier
new_data['share_asset_id'] = self.share_asset_id
self.share_asset_symbol = share_asset.symbol
new_data['share_asset_symbol'] = self.share_asset_symbol
temp = self.bs.rpc.get_object(
share_asset['dynamic_asset_data_id'])['current_supply']
self.share_asset_balance = str(
int(temp) / (10**share_asset['precision']))
new_data['share_asset_balance'] = self.share_asset_balance
Asset.clear_cache()
# this is the generation of the stats panel information
self.swap_fee = f'{pool_obj["taker_fee_percent"] / 100}%'
new_data['swap_fee'] = self.swap_fee
self.withdraw_fee = f'{pool_obj["withdrawal_fee_percent"] / 100}%'
new_data['withdraw_fee'] = self.withdraw_fee
history_info = self.generate_history(new_pool_str.split(' ')[1])
# Get pool value
self._get_pool_value(
self.asset_a_symbol,
self.asset_a_balance,
self.asset_b_symbol,
self.asset_b_balance,
)
if self.denomination == 'BitUSD':
_precision = 2
new_data['value'] = f'{(self.usd_val_a + self.usd_val_b):.2f} USD'
elif self.denomination == 'BTS':
_precision = 5
new_data['value'] = f'{(self.bts_val_a + self.bts_val_b):.5f} BTS'
elif self.denomination == 'BitCNY':
_precision = 4
new_data['value'] = f'{(self.cny_val_a + self.cny_val_b):.4f} CNY'
new_data['swap_count'] = history_info['swap_count']
new_data['history'] = []
for item in history_info['history']:
new_data['history'].append(item)
if float(self.share_asset_balance) != 0:
new_data[
'poolshare_value'] = f'{round(float(new_data["value"].split(" ")[0]) / float(self.share_asset_balance), _precision)} {new_data["value"].split(" ")[1]}'
else:
new_data['poolshare_value'] = 0
pub.sendMessage('update_pool_change', data=new_data)
def display_pool_value(self):
pass
def price_swap(self):
self.price_switch = 'a/b' if self.price_switch == 'b/a' else 'b/a'
history = []
for op in self.history:
if self.price_switch == 'a/b':
history.append({
'asset_a': op['asset_a'],
'icon': op['icon'],
'asset_b': op['asset_b'],
'price': op['price_ab'],
'price_color': op['price_ab_color'],
})
else:
history.append({
'asset_a': op['asset_a'],
'icon': op['icon'],
'asset_b': op['asset_b'],
'price': op['price_ba'],
'price_color': op['price_ba_color'],
})
pub.sendMessage('refresh_history_panel', data=history)
def generate_history(self, pool):
return_data = {}
op_list = {}
payload = {
"id":
1,
"method":
"call",
"params": [
"history", "get_liquidity_pool_history",
[pool, formatTimeFromNow(0), None, 100, 63]
]
}
self._set_ws_connection()
self.ws.send(json.dumps(payload))
result = self.ws.recv()
r = json.loads(result)
if r['result']:
for i in r['result']:
if not i['sequence'] in op_list.keys():
op_list[i['sequence']] = i
sort_order = sorted(op_list, reverse=True)
return_data['history'] = []
_prev_price = None
for index, op in enumerate(sort_order):
# the dictionary keys are always asset_a, icon, asset_b, price, price_color
# this determines what is for sale, and puts the correct arrow and asset order
if op_list[op]['op']['op'][1]['amount_to_sell'][
'asset_id'] == self.asset_a_id:
icon = 'arrow-right'
asset_a = str(Amount(
op_list[op]['op']['result'][1]['paid'][0]))
asset_b = str(
Amount(op_list[op]['op']['result'][1]['received'][0]))
else:
icon = 'arrow-left'
asset_a = str(
Amount(op_list[op]['op']['result'][1]['received'][0]))
asset_b = str(Amount(
op_list[op]['op']['result'][1]['paid'][0]))
try:
if op_list[sort_order[index + 1]]['op']['op'][1][
'amount_to_sell']['asset_id'] == self.asset_a_id:
_asset_a = str(
Amount(op_list[sort_order[index + 1]]['op']['result']
[1]['paid'][0]))
_asset_b = str(
Amount(op_list[sort_order[index + 1]]['op']['result']
[1]['received'][0]))
else:
_asset_a = str(
Amount(op_list[sort_order[index + 1]]['op']['result']
[1]['received'][0]))
_asset_b = str(
Amount(op_list[sort_order[index + 1]]['op']['result']
[1]['paid'][0]))
except:
pass
_price_ab = float(asset_a.split(' ')[0].replace(',', '')) / float(
asset_b.split(' ')[0].replace(',', ''))
_price_ba = float(asset_b.split(' ')[0].replace(',', '')) / float(
asset_a.split(' ')[0].replace(',', ''))
# check previous y/x price, change color depending on result
price_ab_color = '#808080'
price_ba_color = '#808080'
if index != 99:
_prev_price_ab = float(
_asset_a.split(' ')[0].replace(',', '')) / float(
_asset_b.split(' ')[0].replace(',', ''))
_prev_price_ba = float(
_asset_b.split(' ')[0].replace(',', '')) / float(
_asset_a.split(' ')[0].replace(',', ''))
if _price_ab > _prev_price_ab:
price_ab_color = '#669f38'
price_ba_color = '#e9002c'
elif _price_ab < _prev_price_ab:
price_ab_color = '#e9002c'
price_ba_color = '#669f38'
self.history.append({
'asset_a': asset_a,
'icon': icon,
'asset_b': asset_b,
'price_ab': f'{_price_ab:.3f}',
'price_ab_color': price_ab_color,
'price_ba': f'{_price_ba:.3f}',
'price_ba_color': price_ba_color,
})
# Generate activity from history for stats panel
_last_confirmed_block = Blockchain(
mode='irreversible').get_current_block_num()
swap_count = 0
for op in sort_order:
if op_list[op]['op']['block_num'] > _last_confirmed_block - (
self.BLOCK_HOUR * 24):
swap_count += 1
return_data['swap_count'] = swap_count
for op in self.history:
if self.price_switch == 'b/a':
return_data['history'].append({
'asset_a':
op['asset_a'],
'icon':
op['icon'],
'asset_b':
op['asset_b'],
'price':
op['price_ba'],
'price_color':
op['price_ba_color'],
})
else:
return_data['history'].append({
'asset_a':
op['asset_a'],
'icon':
op['icon'],
'asset_b':
op['asset_b'],
'price':
op['price_ab'],
'price_color':
op['price_ab_color'],
})
return return_data
def set_denomination(self, data):
self.denomination = data
self._get_pool_value(
self.asset_a_symbol,
self.asset_a_balance,
self.asset_b_symbol,
self.asset_b_balance,
)
new_data = {}
if self.denomination == 'BitUSD':
_precision = 2
new_data['value'] = f'{(self.usd_val_a + self.usd_val_b):.2f} USD'
elif self.denomination == 'BTS':
_precision = 5
new_data['value'] = f'{(self.bts_val_a + self.bts_val_b):.5f} BTS'
elif self.denomination == 'BitCNY':
_precision = 4
new_data['value'] = f'{(self.cny_val_a + self.cny_val_b):.4f} CNY'
if float(self.share_asset_balance) != 0:
new_data[
'poolshare_value'] = f'{round(float(new_data["value"].split(" ")[0]) / float(self.share_asset_balance), _precision)} {new_data["value"].split(" ")[1]}'
else:
new_data['poolshare_value'] = 0
pub.sendMessage('refresh_stats_panel', data=new_data)
def correct_pool_amount(self, higher_amount, lower_amount, asset):
precision = Asset(asset).precision
Asset.clear_cache()
difference = higher_amount - lower_amount
return float(round(difference, precision))
# exchange preserves x*y
# buying subtracts from that side of the pool
# selling adds to that side of the pool
def update_pool_price(self, data):
if data['swap_asset'] == self.asset_a_symbol:
swap_flag = 'a'
reference = float(self.asset_a_balance)
else:
swap_flag = 'b'
reference = float(self.asset_b_balance)
addition_to = reference + float(data['amount'])
new_balance = self.invariant / addition_to
output_amount = self.correct_pool_amount(
float(self.asset_b_balance) if swap_flag == 'a' else float(
self.asset_a_balance), new_balance, data['purchase_asset'])
pub.sendMessage('update_pool_estimate', data=str(output_amount))
def _set_ws_connection(self):
self.ws = create_connection(self.node)
def get_pools(self, data):
self.node = data['node']
self.denomination = data['denomination']
self.bs = BitShares(
node=self.node,
nobroadcast=True,
blocking='head',
)
set_shared_blockchain_instance(self.bs)
self._set_ws_connection()
_counter = 0
data = []
while _counter < POOL_ID_LIMIT:
payload_string = "1.19." + str(_counter)
payload1 = {
"id":
1,
"method":
"call",
"params": [
"database", "list_liquidity_pools",
[100, payload_string, False]
]
}
self.ws.send(json.dumps(payload1))
result1 = self.ws.recv()
r = json.loads(result1)
# print(r)
for i in r['result']:
data.append(
f'{Asset(self.bs.rpc.get_object(i["id"])["share_asset"]).symbol} {i["id"]}'
)
_counter += 100
pub.sendMessage('return_pool_list', data=data)
def _get_pool_value(self, asset_a, amount_a, asset_b, amount_b):
# check each asset separately, first for USD, then BTS, then derive
# asset a
if asset_a == 'USD':
self.usd_val_a = float(amount_a)
if asset_a == 'BTS':
self.bts_val_a = float(amount_a)
if asset_a == 'CNY':
self.cny_val_a = float(amount_a)
# derive BTS then others, validate they aren't already there
if self.bts_val_a == 0:
self.bts_val_a = round(
float(
str(Market(f'{asset_a}/BTS').ticker()['latest']).split(' ')
[0]) * float(amount_a), 5)
if self.usd_val_a == 0:
bts_usd_val = float(
str(Market('BTS/USD').ticker()['latest']).split(' ')[0])
self.usd_val_a = self.bts_val_a * bts_usd_val
if self.cny_val_a == 0:
bts_cny_val = float(
str(Market('BTS/CNY').ticker()['latest']).split(' ')[0])
self.cny_val_a = self.bts_val_a * bts_cny_val
# asset b
if asset_b == 'USD':
self.usd_val_b = float(amount_b)
if asset_b == 'BTS':
self.bts_val_b = float(amount_b)
if asset_b == 'CNY':
self.cny_val_b = float(amount_b)
# derive
if self.bts_val_b == 0:
self.bts_val_b = round(
float(
str(Market(f'{asset_b}/BTS').ticker()['latest']).split(' ')
[0]) * float(amount_b), 5)
if self.usd_val_b == 0:
bts_usd_val = float(
str(Market('BTS/USD').ticker()['latest']).split(' ')[0])
self.usd_val_b = self.bts_val_b * bts_usd_val
if self.cny_val_b == 0:
bts_cny_val = float(
str(Market('BTS/CNY').ticker()['latest']).split(' ')[0])
self.cny_val_b = self.bts_val_b * bts_cny_val
# def _verify_active_key(self, key):
# """
# returns account from private key
# this will be used to verify whether or not the
# supplied key will be sufficient enough to do the
# operation
# """
# print(self.bs.wallet.getAccountFromPrivateKey(key))
def _set_keyed_bs(self, key):
self.keyed_bs = BitShares(
node=self.node,
keys=key,
blocking='head',
nobroadcast=False,
)
def swap_assets(self, data):
self._set_keyed_bs(data['key'])
amount_to_sell = Amount(data["sell_amount"], data["sell_asset"])
anticipated = Amount(data['receive_approx_amount'],
data['receive_asset'])
min_to_receive = anticipated * 0.993
trade_message = self.keyed_bs.exchange_with_liquidity_pool(
pool=self.pool_id,
amount_to_sell=amount_to_sell,
min_to_receive=min_to_receive,
account=data['account'],
)
return_data = {
'anticipated':
anticipated,
'paid':
Amount(trade_message['operation_results'][0][1]['paid'][0]),
'received':
Amount(trade_message['operation_results'][0][1]['received'][0]),
'operation_results':
trade_message['operation_results'],
'interaction_type':
'swap',
}
pub.sendMessage('interaction_return', data=return_data)
def deposit_assets(self, data):
self._set_keyed_bs(data['key'])
trade_message = self.keyed_bs.deposit_into_liquidity_pool(
pool=self.pool_id,
amount_a=Amount(data['amount_a'], data['asset_a']),
amount_b=Amount(data['amount_b'], data['asset_b']),
account=data['account'],
)
return_data = {
'paid_a':
Amount(trade_message['operation_results'][0][1]['paid'][0]),
'paid_b':
Amount(trade_message['operation_results'][0][1]['paid'][1]),
'received':
Amount(trade_message['operation_results'][0][1]['received'][0]),
'operation_results':
trade_message['operation_results'],
'interaction_type':
'deposit',
}
pub.sendMessage('interaction_return', data=return_data)
def withdraw_assets(self, data):
self._set_keyed_bs(data['key'])
trade_message = self.keyed_bs.withdraw_from_liquidity_pool(
pool=self.pool_id,
share_amount=Amount(data['amount'], data['share_asset']),
account=data['account'],
)
return_data = {
'exchanged':
Amount(trade_message['operation_results'][0][1]['paid'][0]),
'received_a':
Amount(trade_message['operation_results'][0][1]['received'][0]),
'received_b':
Amount(trade_message['operation_results'][0][1]['received'][1]),
'operation_results':
trade_message['operation_results'],
'interaction_type':
'withdraw',
}
pub.sendMessage('interaction_return', data=return_data)
op['trxid'] = trxid
if trxid == latest_order:
new_orders.append(op)
break
if first_order == None:
first_order = trxid
if latest_order != None and len(new_orders):
# Reversed sort order to get them in timeline order
for op in new_orders[::-1]:
# modify message
send_msg = dataParser(op)
send_tg_message('*' + username + '*: ' +
send_msg.replace('sell', '_sold_'))
if first_order:
config.set(username, 'last_order_id', first_order)
with open(conffile, 'w+') as configfile:
config.write(configfile)
bitshares = BitShares(node=conf.NODES)
set_shared_bitshares_instance(bitshares)
notify = Notify(on_block=on_block, bitshares_instance=bitshares)
print("Listening..")
notify.listen()
def new_func(ctx, *args, **kwargs):
ctx.bitshares = BitShares(**ctx.obj)
set_shared_bitshares_instance(ctx.bitshares)
return ctx.invoke(f, *args, **kwargs)