Function test_withdraw_misc

tests/test_misc.py:464–635

(node_factory, bitcoind, chainparams)

def test_withdraw_misc(node_factory, bitcoind, chainparams):
    def dont_spend_outputs(n, txid):
        """Reserve both outputs (we assume there are two!) in case any our ours, so we don't spend change: wrecks accounting checks"""
        n.rpc.reserveinputs(bitcoind.rpc.createpsbt([{'txid': txid,
                                                      'vout': 0},
                                                     {'txid': txid,
                                                      'vout': 1}], []))

    # We track channel balances, to verify that accounting is ok.
    coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')

    amount = 2000000
    # Don't get any funds from previous runs.
    l1 = node_factory.get_node(random_hsm=True,
                               options={'plugin': coin_mvt_plugin},
                               feerates=(7500, 7500, 7500, 7500))
    l2 = node_factory.get_node(random_hsm=True)
    addr = l1.rpc.newaddr()['bech32']

    # Add some funds to withdraw later
    for i in range(10):
        l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8)

    bitcoind.generate_block(1)
    wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)

    # Reach around into the db to check that outputs were added
    assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 10

    waddr = l1.bitcoin.getnewaddress()
    # Now attempt to withdraw some (making sure we collect multiple inputs)
    l1.rpc.check_request_schemas = False
    with pytest.raises(RpcError):
        l1.rpc.withdraw('not an address', amount)
    with pytest.raises(RpcError):
        l1.rpc.withdraw(waddr, 'not an amount')
    with pytest.raises(RpcError):
        l1.rpc.withdraw(waddr, -amount)
    with pytest.raises(RpcError, match=r'Could not afford'):
        l1.rpc.withdraw(waddr, amount * 100)
    l1.rpc.check_request_schemas = True

    out = l1.rpc.withdraw(waddr, amount)

    # Make sure bitcoind received the withdrawal
    unspent = l1.bitcoin.rpc.listunspent(0)
    withdrawal = [u for u in unspent if u['txid'] == out['txid']]

    assert(withdrawal[0]['amount'] == Decimal('0.02'))

    bitcoind.generate_block(1, wait_for_mempool=1)
    sync_blockheight(bitcoind, [l1])

    # Now make sure two of them were marked as spent
    assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 2

    dont_spend_outputs(l1, out['txid'])