def start_encryption(self, nick, maker_pk):
if nick not in self.active_orders.keys():
raise Exception("Counterparty not part of this transaction.")
self.crypto_boxes[nick] = [maker_pk, enc_wrapper.as_init_encryption(\
self.kp, enc_wrapper.init_pubkey(maker_pk))]
#send authorisation request
my_btc_addr = self.input_utxos.itervalues().next()['address']
my_btc_priv = self.wallet.get_key_from_addr(my_btc_addr)
my_btc_pub = btc.privtopub(my_btc_priv)
my_btc_sig = btc.ecdsa_sign(self.kp.hex_pk(), my_btc_priv)
self.msgchan.send_auth(nick, my_btc_pub, my_btc_sig)
def start_encryption(self, nick, maker_pk):
if nick not in self.active_orders.keys():
raise Exception("Counterparty not part of this transaction.")
self.crypto_boxes[nick] = [maker_pk, enc_wrapper.as_init_encryption(\
self.kp, enc_wrapper.init_pubkey(maker_pk))]
#send authorisation request
my_btc_addr = self.input_utxos.itervalues().next()['address']
my_btc_priv = self.wallet.get_key_from_addr(my_btc_addr)
my_btc_pub = btc.privtopub(my_btc_priv)
my_btc_sig = btc.ecdsa_sign(self.kp.hex_pk(), my_btc_priv)
self.msgchan.send_auth(nick, my_btc_pub, my_btc_sig)
def __init__(self, maker, nick, oid, amount, taker_pk):
self.maker = maker
self.oid = oid
self.cj_amount = amount
if self.cj_amount <= common.DUST_THRESHOLD:
self.maker.msgchan.send_error(nick, 'amount below dust threshold')
#the btc pubkey of the utxo that the taker plans to use as input
self.taker_pk = taker_pk
#create DH keypair on the fly for this Order object
self.kp = enc_wrapper.init_keypair()
#the encryption channel crypto box for this Order object
self.crypto_box = enc_wrapper.as_init_encryption(self.kp, \
enc_wrapper.init_pubkey(taker_pk))
order_s = [o for o in maker.orderlist if o['oid'] == oid]
if len(order_s) == 0:
self.maker.msgchan.send_error(nick, 'oid not found')
order = order_s[0]
if amount < order['minsize'] or amount > order['maxsize']:
self.maker.msgchan.send_error(nick, 'amount out of range')
self.ordertype = order['ordertype']
self.txfee = order['txfee']
self.cjfee = order['cjfee']
debug('new cjorder nick=%s oid=%d amount=%d' % (nick, oid, amount))
self.utxos, self.cj_addr, self.change_addr = maker.oid_to_order(
self, oid, amount)
self.maker.wallet.update_cache_index()
if not self.utxos:
self.maker.msgchan.send_error(
nick, 'unable to fill order constrained by dust avoidance')
#TODO make up orders offers in a way that this error cant appear
#check nothing has messed up with the wallet code, remove this code after a while
import pprint
debug('maker utxos = ' + pprint.pformat(self.utxos))
utxo_list = self.utxos.keys()
utxo_data = common.bc_interface.query_utxo_set(utxo_list)
if None in utxo_data:
debug('wrongly using an already spent utxo. utxo_data = ' +
pprint.pformat(utxo_data))
sys.exit(0)
for utxo, data in zip(utxo_list, utxo_data):
if self.utxos[utxo]['value'] != data['value']:
debug('wrongly labeled utxo, expected value ' +
str(self.utxos[utxo]['value']) + ' got ' +
str(data['value']))
sys.exit(0)
#always a new address even if the order ends up never being
# furfilled, you dont want someone pretending to fill all your
# orders to find out which addresses you use
self.maker.msgchan.send_pubkey(nick, self.kp.hex_pk())
def __init__(self, maker, nick, oid, amount, taker_pk):
self.maker = maker
self.oid = oid
self.cj_amount = amount
if self.cj_amount <= common.DUST_THRESHOLD:
self.maker.msgchan.send_error(nick, 'amount below dust threshold')
#the btc pubkey of the utxo that the taker plans to use as input
self.taker_pk = taker_pk
#create DH keypair on the fly for this Order object
self.kp = enc_wrapper.init_keypair()
#the encryption channel crypto box for this Order object
self.crypto_box = enc_wrapper.as_init_encryption(self.kp, \
enc_wrapper.init_pubkey(taker_pk))
order_s = [o for o in maker.orderlist if o['oid'] == oid]
if len(order_s) == 0:
self.maker.msgchan.send_error(nick, 'oid not found')
order = order_s[0]
if amount < order['minsize'] or amount > order['maxsize']:
self.maker.msgchan.send_error(nick, 'amount out of range')
self.ordertype = order['ordertype']
self.txfee = order['txfee']
self.cjfee = order['cjfee']
debug('new cjorder nick=%s oid=%d amount=%d' % (nick, oid, amount))
self.utxos, self.cj_addr, self.change_addr = maker.oid_to_order(self, oid, amount)
self.maker.wallet.update_cache_index()
if not self.utxos:
self.maker.msgchan.send_error(nick, 'unable to fill order constrained by dust avoidance')
#TODO make up orders offers in a way that this error cant appear
#check nothing has messed up with the wallet code, remove this code after a while
import pprint
debug('maker utxos = ' + pprint.pformat(self.utxos))
utxo_list = self.utxos.keys()
utxo_data = common.bc_interface.query_utxo_set(utxo_list)
if None in utxo_data:
debug('wrongly using an already spent utxo. utxo_data = ' + pprint.pformat(utxo_data))
sys.exit(0)
for utxo, data in zip(utxo_list, utxo_data):
if self.utxos[utxo]['value'] != data['value']:
debug('wrongly labeled utxo, expected value ' +
str(self.utxos[utxo]['value']) + ' got ' + str(data['value']))
sys.exit(0)
#always a new address even if the order ends up never being
# furfilled, you dont want someone pretending to fill all your
# orders to find out which addresses you use
self.maker.msgchan.send_pubkey(nick, self.kp.hex_pk())
