def serialize(self, vds=None):
if not vds:
vds = BCDataStream()
serialize_input(vds, self.vin)
vds.write(hash_decode(self.block_hash))
vds.write_int64(self.sig_time)
vds.write_string(self.sig)
return vds.input.encode('hex')
def create_proposal_tx(self, proposal_name, password, save = True):
"""Create a fee transaction for proposal_name."""
proposal = self.get_proposal(proposal_name)
if proposal.fee_txid:
print_error('Warning: Proposal "%s" already has a fee tx: %s' % (proposal_name, proposal.fee_txid))
if proposal.submitted:
raise Exception('Proposal has already been submitted')
h = bitcoin.hash_decode(proposal.get_hash()).encode('hex')
script = '6a20' + h # OP_RETURN hash
outputs = [(bitcoin.TYPE_SCRIPT, script.decode('hex'), BUDGET_FEE_TX)]
tx = self.wallet.mktx(outputs, password, self.config)
proposal.fee_txid = tx.hash()
if save:
self.save()
return tx
def serialize_input(vds, vin):
vds.write(hash_decode(vin['prevout_hash']))
vds.write_uint32(vin['prevout_n'])
vds.write_string(vin['scriptSig'])
vds.write_uint32(vin['sequence'])
