def from_serialized_data(ptr, data):
try:
ptr, sign = bbclib.get_n_byte_int(ptr, 1, data)
ptr, numerator = bbclib.get_n_byte_int(ptr, 2, data)
ptr, denominator = bbclib.get_n_byte_int(ptr, 2, data)
except:
raise
if sign > 0:
numerator *= -1
return ptr, Fraction(numerator, denominator)
def from_serialized_data(ptr, data):
try:
ptr, condition = bbclib.get_n_byte_int(ptr, 1, data)
ptr, type = bbclib.get_n_byte_int(ptr, 1, data)
ptr, rate = Fraction.from_serialized_data(ptr, data)
ptr, rate_to_stop = Fraction.from_serialized_data(ptr, data)
ptr, time_unit = bbclib.get_n_byte_int(ptr, 8, data)
ptr, expire_after = bbclib.get_n_byte_int(ptr, 8, data)
except:
raise
return ptr, Variation(condition, type, rate, rate_to_stop, time_unit,
expire_after)
def from_serialized_data(ptr, data):
if ptr >= len(data):
return ptr, None
try:
ptr, command = bbclib.get_n_byte_int(ptr, 1, data)
ptr, num_pubkeys = bbclib.get_n_byte_int(ptr, 2, data)
public_keys = []
for i in range(num_pubkeys):
ptr, size = bbclib.get_n_byte_int(ptr, 2, data)
ptr, pubkey = bbclib.get_n_bytes(ptr, size, data)
public_keys.append(bytes(pubkey))
except:
raise
return ptr, Directive(command, public_keys)
def from_serialized_data(ptr, data):
try:
ptr, version = bbclib.get_n_byte_int(ptr, 2, data)
ptr, size = bbclib.get_n_byte_int(ptr, 2, data)
ptr, v = bbclib.get_n_bytes(ptr, size, data)
name = v.decode()
ptr, size = bbclib.get_n_byte_int(ptr, 1, data)
ptr, v = bbclib.get_n_bytes(ptr, size, data)
symbol = v.decode()
ptr, decimal = bbclib.get_n_byte_int(ptr, 1, data)
ptr, count = bbclib.get_n_byte_int(ptr, 1, data)
variation_specs = []
for i in range(count):
ptr, variation = Variation.from_serialized_data(ptr, data)
variation_specs.append(variation)
ptr, v = bbclib.get_n_byte_int(ptr, 2, data)
option_witnesses_required = \
v & CurrencySpec.O_BIT_WITNESSES_REQUIRED != 0
option_expiration_rebased = \
v & CurrencySpec.O_BIT_EXPIRATION_REBASED != 0
option_conditions_irreversible = \
v & CurrencySpec.O_BIT_CONDITIONS_IRREVERSIBLE != 0
except:
raise
return ptr, CurrencySpec(
name=name,
symbol=symbol,
decimal=decimal,
variation_specs=variation_specs,
option_witnesses_required=option_witnesses_required,
option_expiration_rebased=option_expiration_rebased,
option_conditions_irreversible=option_conditions_irreversible,
version=version)
def from_serialized_data(ptr, data):
try:
ptr, type = bbclib.get_n_byte_int(ptr, 1, data)
ptr, value_specified = bbclib.get_n_byte_int(ptr, 8, data)
ptr, time_of_origin = bbclib.get_n_byte_int(ptr, 8, data)
ptr, count = bbclib.get_n_byte_int(ptr, 1, data)
variation_specs = []
for i in range(count):
ptr, variation = Variation.from_serialized_data(ptr, data)
variation_specs.append(variation)
except:
raise
if type == BaseAssetBody.T_VALUE:
obj = ValueAssetBody(value_specified, time_of_origin,
variation_specs)
elif type == BaseAssetBody.T_CHANGE:
obj = ChangeAssetBody(value_specified, time_of_origin,
variation_specs)
elif type == BaseAssetBody.T_ISSUED:
obj = IssuedAssetBody(value_specified, time_of_origin,
variation_specs)
return ptr, obj
def from_serialized_data(ptr, data):
try:
ptr, condition = bbclib.get_n_byte_int(ptr, 1, data)
except:
raise
return ptr, ConditionAssetBody(condition)