def serialize_header(self, res):
s = write_uint64(res.get('version')) \
+ reverse_hex_str(res.get('prev_block_hash')) \
+ reverse_hex_str(res.get('merkle_root')) \
+ write_uint64(int(res.get('timestamp'))) \
+ write_uint64(int(res.get('bits'))) \
+ write_uint64(int(res.get('nonce')))
return s
def serialize_preimage(self, i):
"""
get to be sign content
:param i:
:return:
"""
version = write_uint32(self.tx_ver).encode('hex')
hash_type = write_uint32(1).encode('hex')
locktime = write_uint32(self.tx_locktime).encode('hex')
input_list = self._input_list
output_list = self._output_list
txin = input_list[i]
if txin.is_segwit_input():
hash_prevouts = double_sha256(
''.join(txin.serialize_outpoint() for txin in input_list).decode('hex')).encode(
'hex')
hash_sequence = double_sha256(
''.join(write_uint32(txin.in_sequence) for txin in input_list).decode(
'hex')).encode('hex')
hash_outputs = double_sha256(
''.join(o.serialize_output() for o in output_list).decode('hex')).encode('hex')
outpoint = txin.serialize_outpoint()
pubkey = txin.in_dict['pubkeys'][0]
pkh = hash_160(pubkey.decode('hex')).encode('hex')
# redeem_script = '00' + push_script(pkh)
script_code = push_script('76a9' + push_script(pkh) + '88ac')
# script_hash = hash_160(redeem_script.decode('hex')).encode('hex')
# script_pub_key = 'a9' + push_script(script_hash) + '87'
amount = write_uint64(txin.in_value)
sequence = write_uint32(txin.in_sequence)
preimage = version + hash_prevouts + hash_sequence + outpoint + script_code + amount + sequence + hash_outputs + locktime + hash_type
else:
txins = int_to_hex(len(input_list)) + ''.join(
txin.serialize_input_preimage(k) for
k, txin in enumerate(input_list))
txouts = int_to_hex(len(output_list)) + ''.join(
o.serialize_output() for o in output_list)
preimage = version + txins + txouts + locktime + hash_type
return preimage
def serialize_output(self):
s = write_uint64(self.out_value).encode('hex')
script = self.pay_script_from_address()
s += int_to_hex(len(script) / 2)
s += script
return s