test_p2p.py 文件源码

def test_tx_limit(self):
        class MyNode(p2p.Node):
            def __init__(self, df):
                p2p.Node.__init__(self, lambda: None, 29333, networks.nets['bitcoin'], {}, set([('127.0.0.1', 9333)]), 0, 0, 0, 0)

                self.df = df
                self.sent_time = 0

            @defer.inlineCallbacks
            def got_conn(self, conn):
                p2p.Node.got_conn(self, conn)

                yield deferral.sleep(.5)

                new_mining_txs = dict(self.mining_txs_var.value)
                for i in xrange(3):
                    huge_tx = dict(
                        version=0,
                        tx_ins=[],
                        tx_outs=[dict(
                            value=0,
                            script='x'*900000,
                        )],
                        lock_time=i,
                    )
                    new_mining_txs[bitcoin_data.hash256(bitcoin_data.tx_type.pack(huge_tx))] = huge_tx
                self.mining_txs_var.set(new_mining_txs)

                self.sent_time = reactor.seconds()

            def lost_conn(self, conn, reason):
                self.df.callback(None)
        try:
            p2p.Protocol.max_remembered_txs_size *= 10

            df = defer.Deferred()
            n = MyNode(df)
            n.start()
            yield df
            if not (n.sent_time <= reactor.seconds() <= n.sent_time + 1):
                raise ValueError('node did not disconnect within 1 seconds of receiving too much tx data')
            yield n.stop()
        finally:
            p2p.Protocol.max_remembered_txs_size //= 10