def replace_outputs(tx, hash160):
"""Replace unsigned outputs in tx."""
if not is_hex(hash160) and len(hash160.replace('0x', '')) == 40:
raise ValueError('hash160 must be 40 hex digits.')
out_script = Script.from_human('OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG' % hash160)
unsigned_outputs = get_unsigned_outputs(tx)
if not unsigned_outputs:
return tx
new_tx = Transaction.from_tx(tx)
for o in unsigned_outputs:
new_tx.vout[o].scriptPubKey = out_script
return new_tx
