def test_unpackers():
b = bytes(range(256))
assert util.unpack_int32_from(b, 0) == (50462976, )
assert util.unpack_int32_from(b, 42) == (757869354, )
assert util.unpack_int64_from(b, 0) == (506097522914230528, )
assert util.unpack_int64_from(b, 42) == (3544384782113450794, )
assert util.unpack_uint16_from(b, 0) == (256, )
assert util.unpack_uint16_from(b, 42) == (11050, )
assert util.unpack_uint32_from(b, 0) == (50462976, )
assert util.unpack_uint32_from(b, 42) == (757869354, )
assert util.unpack_uint64_from(b, 0) == (506097522914230528, )
assert util.unpack_uint64_from(b, 42) == (3544384782113450794, )
def _get_txout_value(coin, txout):
if coin.EXTENDED_VOUT:
s_value = txout.value[1:]
int_value, = unpack_uint64_from(s_value[::-1], 0)
return int_value
else:
return txout.value
def _get_txout_value(self, txout):
assert self.coin.EXTENDED_VOUT
s_value = txout.value[1:]
version = txout.value[0]
if version == 1 or version == 0xff:
int_value, = unpack_uint64_from(s_value[::-1], 0)
return int_value
else:
raise Exception("Confidential transactions are not yet handled")
def _get_txout_value(self, txout):
assert self.coin.EXTENDED_VOUT
conf_value_s = txout.value[1:]
conf_value_v = txout.value[0]
if conf_value_v == 1 or conf_value_v == 0xff:
int_value, = unpack_uint64_from(conf_value_s[::-1], 0)
return txout.asset[1:] + pack('<Q', int_value)
else:
raise Exception("Confidential transactions are not yet handled")
def _read_le_uint64(self):
result, = unpack_uint64_from(self.binary, self.cursor)
self.cursor += 8
return result
