def oid_to_order(self, offer, amount):
total_amount = amount + offer["txfee"]
real_cjfee = calc_cj_fee(offer["ordertype"], offer["cjfee"], amount)
required_amount = total_amount + \
jm_single().DUST_THRESHOLD + 1 - real_cjfee
mix_balance = self.get_available_mixdepths()
filtered_mix_balance = {
m: b
for m, b in mix_balance.items() if b >= required_amount
}
if not filtered_mix_balance:
return None, None, None
jlog.debug('mix depths that have enough = ' +
str(filtered_mix_balance))
mixdepth = self.select_input_mixdepth(filtered_mix_balance, offer,
amount)
if mixdepth is None:
return None, None, None
jlog.info('filling offer, mixdepth=' + str(mixdepth) + ', amount=' +
str(amount))
cj_addr = self.select_output_address(mixdepth, offer, amount)
if cj_addr is None:
return None, None, None
jlog.info('sending output to address=' + str(cj_addr))
change_addr = self.wallet_service.get_internal_addr(mixdepth)
utxos = self.wallet_service.select_utxos(mixdepth,
required_amount,
minconfs=1,
includeaddr=True)
return utxos, cj_addr, change_addr
def on_tx_confirmed(self, offer, confirmations, txid):
if offer["cjaddr"] in self.tx_unconfirm_timestamp:
confirm_time = int(time.time()) - self.tx_unconfirm_timestamp[
offer["cjaddr"]]
else:
confirm_time = 0
timestamp = datetime.datetime.now().strftime("%Y/%m/%d %H:%M:%S")
real_cjfee = calc_cj_fee(offer["offer"]["ordertype"],
offer["offer"]["cjfee"], offer["amount"])
self.log_statement([timestamp, offer["amount"], len(
offer["utxos"]), sum([av['value'] for av in offer["utxos"].values(
)]), real_cjfee, real_cjfee - offer["offer"]["txfee"], round(
confirm_time / 60.0, 2), ''])
return self.on_tx_unconfirmed(offer, txid, None)
def oid_to_order(self, offer, amount):
total_amount = amount + offer["txfee"]
mix_balance = self.get_available_mixdepths()
filtered_mix_balance = {
m: b
for m, b in mix_balance.items() if b >= total_amount
}
if not filtered_mix_balance:
return None, None, None
jlog.debug('mix depths that have enough = ' +
str(filtered_mix_balance))
mixdepth = self.select_input_mixdepth(filtered_mix_balance, offer,
amount)
if mixdepth is None:
return None, None, None
jlog.info('filling offer, mixdepth=' + str(mixdepth) + ', amount=' +
str(amount))
cj_addr = self.select_output_address(mixdepth, offer, amount)
if cj_addr is None:
return None, None, None
jlog.info('sending output to address=' + str(cj_addr))
change_addr = self.wallet_service.get_internal_addr(mixdepth)
utxos = self.wallet_service.select_utxos(mixdepth,
total_amount,
minconfs=1,
includeaddr=True)
my_total_in = sum([va['value'] for va in utxos.values()])
real_cjfee = calc_cj_fee(offer["ordertype"], offer["cjfee"], amount)
change_value = my_total_in - amount - offer["txfee"] + real_cjfee
if change_value <= jm_single().DUST_THRESHOLD:
jlog.debug(('change value={} below dust threshold, '
'finding new utxos').format(change_value))
try:
utxos = self.wallet_service.select_utxos(
mixdepth,
total_amount + jm_single().DUST_THRESHOLD,
minconfs=1,
includeaddr=True)
except Exception:
jlog.info('dont have the required UTXOs to make a '
'output above the dust threshold, quitting')
return None, None, None
return utxos, cj_addr, change_addr
def create_depth_chart(self, cj_amount, args=None):
if 'matplotlib' not in sys.modules:
return 'matplotlib not installed, charts not available'
if args is None:
args = {}
try:
self.taker.dblock.acquire(True)
rows = self.taker.db.execute('SELECT * FROM orderbook;').fetchall()
finally:
self.taker.dblock.release()
sqlorders = [
o for o in rows if o["ordertype"] in filtered_offername_list
]
orderfees = sorted([
calc_cj_fee(o['ordertype'], o['cjfee'], cj_amount) / 1e8
for o in sqlorders if o['minsize'] <= cj_amount <= o['maxsize']
])
if len(orderfees) == 0:
return 'No orders at amount ' + str(cj_amount / 1e8)
fig = plt.figure()
scale = args.get("scale")
if (scale is not None) and (scale[0] == "log"):
orderfees = [float(fee) for fee in orderfees]
if orderfees[0] > 0:
ratio = orderfees[-1] / orderfees[0]
step = ratio**0.0333 # 1/30
bins = [orderfees[0] * (step**i) for i in range(30)]
else:
ratio = orderfees[-1] / 1e-8 # single satoshi placeholder
step = ratio**0.0333 # 1/30
bins = [1e-8 * (step**i) for i in range(30)]
bins[0] = orderfees[0] # replace placeholder
plt.xscale('log')
else:
bins = 30
if len(orderfees
) == 1: # these days we have liquidity, but just in case...
plt.hist(orderfees, bins, rwidth=0.8, range=(0, orderfees[0] * 2))
else:
plt.hist(orderfees, bins, rwidth=0.8)
plt.grid()
plt.title('CoinJoin Orderbook Depth Chart for amount=' +
str(cj_amount / 1e8) + 'btc')
plt.xlabel('CoinJoin Fee / btc')
plt.ylabel('Frequency')
return get_graph_html(fig)
def oid_to_order(self, offer, amount):
total_amount = amount + offer["txfee"]
mix_balance = self.wallet.get_balance_by_mixdepth()
max_mix = max(mix_balance, key=mix_balance.get)
filtered_mix_balance = [
m for m in iteritems(mix_balance) if m[1] >= total_amount
]
if not filtered_mix_balance:
return None, None, None
jlog.debug('mix depths that have enough = ' +
str(filtered_mix_balance))
filtered_mix_balance = sorted(filtered_mix_balance, key=lambda x: x[0])
mixdepth = filtered_mix_balance[0][0]
jlog.info('filling offer, mixdepth=' + str(mixdepth) + ', amount=' +
str(amount))
# mixdepth is the chosen depth we'll be spending from
cj_addr = self.wallet.get_internal_addr(
(mixdepth + 1) % (self.wallet.mixdepth + 1),
jm_single().bc_interface)
change_addr = self.wallet.get_internal_addr(mixdepth,
jm_single().bc_interface)
utxos = self.wallet.select_utxos(mixdepth, total_amount)
my_total_in = sum([va['value'] for va in utxos.values()])
real_cjfee = calc_cj_fee(offer["ordertype"], offer["cjfee"], amount)
change_value = my_total_in - amount - offer["txfee"] + real_cjfee
if change_value <= jm_single().DUST_THRESHOLD:
jlog.debug(('change value={} below dust threshold, '
'finding new utxos').format(change_value))
try:
utxos = self.wallet.select_utxos(
mixdepth, total_amount + jm_single().DUST_THRESHOLD)
except Exception:
jlog.info('dont have the required UTXOs to make a '
'output above the dust threshold, quitting')
return None, None, None
return utxos, cj_addr, change_addr
def oid_to_order(self, offer, amount):
total_amount = amount + offer["txfee"]
real_cjfee = calc_cj_fee(offer["ordertype"], offer["cjfee"], amount)
required_amount = total_amount + \
jm_single().DUST_THRESHOLD + 1 - real_cjfee
mix_balance = self.get_available_mixdepths()
filtered_mix_balance = {
m: b
for m, b in mix_balance.items() if b >= required_amount
}
if not filtered_mix_balance:
return None, None, None
jlog.debug('mix depths that have enough = ' +
str(filtered_mix_balance))
try:
mixdepth, utxos = self._get_order_inputs(filtered_mix_balance,
offer, required_amount)
except NoIoauthInputException:
jlog.error(
'unable to fill order, no suitable IOAUTH UTXO found. In '
'order to spend coins (UTXOs) from a mixdepth using coinjoin,'
' there needs to be at least one standard wallet UTXO (not '
'fidelity bond or different address type).')
return None, None, None
jlog.info('filling offer, mixdepth=' + str(mixdepth) + ', amount=' +
str(amount))
cj_addr = self.select_output_address(mixdepth, offer, amount)
if cj_addr is None:
return None, None, None
jlog.info('sending output to address=' + str(cj_addr))
change_addr = self.wallet_service.get_internal_addr(mixdepth)
return utxos, cj_addr, change_addr