def listunspent(self, minconf=0, maxconf=9999999, addrs=None):
        """Return unspent transaction outputs in wallet

        Outputs will have between minconf and maxconf (inclusive)
        confirmations, optionally filtered to only include txouts paid to
        addresses in addrs.
        """
        r = None
        if addrs is None:
            r = self._call('listunspent', minconf, maxconf)
        else:
            addrs = [str(addr) for addr in addrs]
            r = self._call('listunspent', minconf, maxconf, addrs)

        r2 = []
        for unspent in r:
            unspent['outpoint'] = COutPoint(lx(unspent['txid']), unspent['vout'])
            del unspent['txid']
            del unspent['vout']

            unspent['address'] = CBitcoinAddress(unspent['address'])
            unspent['scriptPubKey'] = CScript(unhexlify(unspent['scriptPubKey']))
            unspent['amount'] = int(unspent['amount'] * COIN)
            r2.append(unspent)
        return r2