def maketx(inputs, outputs):
"""
Make a transaction from the given inputs and outputs list. Saves the serialized tx to `alltxes` and returns the key (its txid).
"""
tx = Transaction.from_io(inputs, outputs)
txid = tx.txid()
raw = str(tx) # ensure we work with serialized version.
#txid = Transaction(raw).txid() # re-deserialize to make sure we get the right txid
alltxes[txid] = raw
print("Generated %.10s... (%d -> %d)" % (txid, len(inputs), len(outputs)))
return txid
from lib import transaction, bitcoin, util
from lib.util import bfh, bh2u
from lib.transaction import Transaction
kmd_unsigned_tx_serialized = 'put unsigned kmd raw tx here'
wif = 'put your wif key here'
txin_type, privkey, compressed = bitcoin.deserialize_privkey(wif)
pubkey = bitcoin.public_key_from_private_key(privkey, compressed)
jsontx = transaction.deserialize(kmd_unsigned_tx_serialized)
inputs = jsontx.get('inputs')
outputs = jsontx.get('outputs')
locktime = jsontx.get('lockTime', 0)
for txin in inputs:
txin['type'] = txin_type
txin['x_pubkeys'] = [pubkey]
txin['pubkeys'] = [pubkey]
txin['signatures'] = [None]
txin['num_sig'] = 1
txin['address'] = bitcoin.address_from_private_key(wif)
txin['value'] = 100000000 # required for preimage calc
tx = Transaction.from_io(inputs, outputs, locktime=locktime)
tx.sign({pubkey: (privkey, compressed)})
print(tx.serialize())
