def deposit(self, payer_wif, payee_pubkey, spend_secret_hash, expire_time,
quantity):
"""Create deposit for given quantity.
Args:
payer_wif: TODO doc string
payee_pubkey: TODO doc string
spend_secret_hash: TODO doc string
expire_time: TODO doc string
quantity: In satoshis
Returns:
Transaction ID for the created deposit.
Raises:
ValueError if invalid quantity
InsufficientFunds if not enough funds to cover requested quantity.
"""
# TODO validate input
# TODO validate pubkeys on blockchain (required by counterparty)
with self.mutex:
self.clear()
self.payer_wif = payer_wif
rawtx, script = self.control.deposit(self.payer_wif, payee_pubkey,
spend_secret_hash,
expire_time, quantity)
self.deposit_rawtx = rawtx
self.deposit_script_hex = util.b2h(script)
return {"rawtx": rawtx, "script": util.b2h(script)}
def deposit(self, payer_wif, payee_pubkey, spend_secret_hash,
expire_time, quantity):
"""Create deposit for given quantity.
Args:
payer_wif: TODO doc string
payee_pubkey: TODO doc string
spend_secret_hash: TODO doc string
expire_time: TODO doc string
quantity: In satoshis
Returns:
Transaction ID for the created deposit.
Raises:
ValueError if invalid quantity
InsufficientFunds if not enough funds to cover requested quantity.
"""
# TODO validate input
# TODO validate pubkeys on blockchain (required by counterparty)
with self.mutex:
self.clear()
self.payer_wif = payer_wif
rawtx, script = self.control.deposit(
self.payer_wif, payee_pubkey,
spend_secret_hash, expire_time, quantity
)
self.deposit_rawtx = rawtx
self.deposit_script_hex = util.b2h(script)
return {"rawtx": rawtx, "script": util.b2h(script)}
def setup(self, payee_wif):
with self.mutex:
self.clear()
self.payee_wif = payee_wif
payee_pubkey = util.wif2pubkey(self.payee_wif)
secret = os.urandom(32) # secure random number
self.spend_secret = util.b2h(secret)
spend_secret_hash = util.b2h(util.hash160(secret))
return payee_pubkey, spend_secret_hash
def setup(self, payee_wif):
with self.mutex:
self.clear()
self.payee_wif = payee_wif
payee_pubkey = util.wif2pubkey(self.payee_wif)
secret = os.urandom(32) # secure random number
self.spend_secret = util.b2h(secret)
spend_secret_hash = util.b2h(util.hash160(secret))
return payee_pubkey, spend_secret_hash
def request_commit(self, quantity):
with self.mutex:
self._validate_transfer_quantity(quantity)
secret = util.b2h(os.urandom(32)) # secure random number
secret_hash = util.hash160hex(secret)
self.commits_requested.append(secret)
return quantity, secret_hash
def request_commit(self, quantity):
with self.mutex:
self._validate_transfer_quantity(quantity)
secret = util.b2h(os.urandom(32)) # secure random number
secret_hash = util.hash160hex(secret)
self.commits_requested.append(secret)
return quantity, secret_hash
def get_spend_secret_hash(self):
with self.mutex:
if self.spend_secret is not None: # payee
return util.b2h(util.hash160(util.h2b(self.spend_secret)))
elif self.deposit_script_hex is not None: # payer
script = util.h2b(self.deposit_script_hex)
return get_deposit_spend_secret_hash(script)
else: # undefined
raise Exception("Undefined state, not payee or payer.")
def get_spend_secret_hash(self):
with self.mutex:
if self.spend_secret is not None: # payee
return util.b2h(util.hash160(util.h2b(self.spend_secret)))
elif self.deposit_script_hex is not None: # payer
script = util.h2b(self.deposit_script_hex)
return get_deposit_spend_secret_hash(script)
else: # undefined
raise Exception("Undefined state, not payee or payer.")
def create_commit(self, quantity, revoke_secret_hash, delay_time):
with self.mutex:
self._validate_transfer_quantity(quantity)
rawtx, script = self.control.create_commit(
self.payer_wif, util.h2b(self.deposit_script_hex),
quantity, revoke_secret_hash, delay_time
)
script_hex = util.b2h(script)
self._order_active()
self.commits_active.append({
"rawtx": rawtx, "script": script_hex, "revoke_secret": None
})
return {"rawtx": rawtx, "script": script_hex}
def create_commit(self, quantity, revoke_secret_hash, delay_time):
with self.mutex:
self._validate_transfer_quantity(quantity)
rawtx, script = self.control.create_commit(
self.payer_wif, util.h2b(self.deposit_script_hex), quantity,
revoke_secret_hash, delay_time)
script_hex = util.b2h(script)
self._order_active()
self.commits_active.append({
"rawtx": rawtx,
"script": script_hex,
"revoke_secret": None
})
return {"rawtx": rawtx, "script": script_hex}