def serialize(self) -> bytes:
ms = StreamManager.GetStream()
writer = BinaryWriter(ms)
writer.WriteBytes(self.serialize_unsigned())
writer.WriteVarInt(len(self.sigs))
for sig in self.sigs:
writer.WriteBytes(sig.serialize())
ms.flush()
temp = ms.ToArray()
StreamManager.ReleaseStream(ms)
return a2b_hex(temp)
def push_bytes(data):
ms = StreamManager.GetStream()
writer = BinaryWriter(ms)
if len(data) == 0:
raise ValueError("push data error: data is null")
if len(data) <= int.from_bytes(PUSHBYTES75,
'little') + 1 - int.from_bytes(
PUSHBYTES1, 'little'):
num = len(data) + int.from_bytes(PUSHBYTES1, 'little') - 1
writer.WriteByte(num)
elif len(data) < 0x100:
writer.WriteByte(PUSHDATA1)
writer.WriteUInt8(len(data))
elif len(data) < 0x10000:
writer.WriteByte(PUSHDATA2)
writer.WriteUInt16(len(data))
else:
writer.WriteByte(PUSHDATA4)
writer.WriteUInt32(len(data))
writer.WriteBytes(data)
ms.flush()
res = ms.ToArray()
StreamManager.ReleaseStream(ms)
res = bytes_reader(res)
return res
def serialize_unsigned(self) -> bytes:
ms = StreamManager.GetStream()
writer = BinaryWriter(ms)
writer.WriteUInt8(self.version)
writer.WriteUInt8(self.tx_type)
writer.WriteUInt32(self.nonce)
writer.WriteUInt64(self.gas_price)
writer.WriteUInt64(self.gas_limit)
writer.WriteBytes(bytes(self.payer))
writer.WriteVarBytes(bytes(self.payload))
writer.WriteVarInt(len(self.attributes))
ms.flush()
res = ms.ToArray()
StreamManager.ReleaseStream(ms)
return res