def generate_hash(self):
if self.contains_transaction:
if self.extrinsic_length:
extrinsic_data = self.data.data
else:
# Fallback for legacy version, prefix additional Compact<u32> with length
extrinsic_length_type = CompactU32(ScaleBytes(bytearray()))
extrinsic_length_type.encode(self.data.length)
extrinsic_data = extrinsic_length_type.data.data + self.data.data
return blake2b(extrinsic_data, digest_size=32).digest().hex()
else:
return None
def test_compact_u32_larger_than_4bytes(self):
obj = CompactU32()
obj.encode(150000000000000)
self.assertEqual(str(obj.data), "0x0b0060b7986c88")
def test_compact_u32_4bytes(self):
obj = CompactU32()
obj.encode(1000000)
self.assertEqual(str(obj.data), "0x02093d00")