From b173b2934687d076b37c888924501e3d86382bd5 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 10 Aug 2022 21:58:29 +0930
Subject: [PATCH] pytest: test loading lease_chan_max_msat from
 channel_funding_inflights

It crashes with:

```
s32 field doesn't match size: expected 4, actual 8
```

Reported-by: @zerofeerouting
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 tests/test_opening.py | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/tests/test_opening.py b/tests/test_opening.py
index 71da4a1f0..d4b48ed12 100644
--- a/tests/test_opening.py
+++ b/tests/test_opening.py
@@ -1205,6 +1205,41 @@ def test_funder_contribution_limits(node_factory, bitcoind):
     assert l3.daemon.is_in_log(r'calling `signpsbt` .* 7 inputs')
 
 
+@pytest.mark.openchannel('v2')
+@pytest.mark.developer("requres 'dev-disconnect'")
+def test_inflight_dbload(node_factory, bitcoind):
+    """Bad db field access breaks Postgresql on startup with opening leases"""
+    disconnects = ["@WIRE_COMMITMENT_SIGNED"]
+    l1, l2 = node_factory.get_nodes(2, opts=[{'experimental-dual-fund': None,
+                                              'dev-no-reconnect': None,
+                                              'may_reconnect': True,
+                                              'disconnect': disconnects},
+                                             {'experimental-dual-fund': None,
+                                              'dev-no-reconnect': None,
+                                              'may_reconnect': True,
+                                              'funder-policy': 'match',
+                                              'funder-policy-mod': 100,
+                                              'lease-fee-base-sat': '100sat',
+                                              'lease-fee-basis': 100}])
+
+    feerate = 2000
+    amount = 500000
+    l1.fundwallet(20000000)
+    l2.fundwallet(20000000)
+
+    # l1 leases a channel from l2
+    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
+    rates = l1.rpc.dev_queryrates(l2.info['id'], amount, amount)
+    wait_for(lambda: len(l1.rpc.listpeers(l2.info['id'])['peers']) == 0)
+    l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
+    l1.rpc.fundchannel(l2.info['id'], amount, request_amt=amount,
+                       feerate='{}perkw'.format(feerate),
+                       compact_lease=rates['compact_lease'])
+    l1.daemon.wait_for_log(r'dev_disconnect: @WIRE_COMMITMENT_SIGNED')
+
+    l1.restart()
+
+
 def test_zeroconf_mindepth(bitcoind, node_factory):
     """Check that funder/fundee can customize mindepth.