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lightningd/plugin_hook.c: Make db_write a chained hook.

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Fixes: #4219

Changelog-Changed: Plugins: Multiple plugins can now register `db_write` hooks.
This commit is contained in:
ZmnSCPxj jxPCSnmZ
2020-11-23 13:05:56 +08:00
committed by Rusty Russell
parent 904e110554
commit 32de621886
4 changed files with 105 additions and 24 deletions
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26
tests/test_plugin.py
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@@ -478,6 +478,32 @@ def test_db_hook(node_factory, executor):
assert [x for x in db1.iterdump()] == [x for x in db2.iterdump()]
@unittest.skipIf(os.getenv('TEST_DB_PROVIDER', 'sqlite3') != 'sqlite3', "Only sqlite3 implements the db_write_hook currently")
def test_db_hook_multiple(node_factory, executor):
"""This tests the db hook for multiple-plugin case."""
dbfile = os.path.join(node_factory.directory, "dblog.sqlite3")
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/dblog.py'),
'important-plugin': os.path.join(os.getcwd(), 'tests/plugins/dbdummy.py'),
'dblog-file': dbfile})
# It should see the db being created, and sometime later actually get
# initted.
# This precedes startup, so needle already past
assert l1.daemon.is_in_log(r'plugin-dblog.py: deferring \d+ commands')
l1.daemon.logsearch_start = 0
l1.daemon.wait_for_log('plugin-dblog.py: replaying pre-init data:')
l1.daemon.wait_for_log('plugin-dblog.py: CREATE TABLE version \\(version INTEGER\\)')
l1.daemon.wait_for_log("plugin-dblog.py: initialized.* 'startup': True")
l1.stop()
# Databases should be identical.
db1 = sqlite3.connect(os.path.join(l1.daemon.lightning_dir, TEST_NETWORK, 'lightningd.sqlite3'))
db2 = sqlite3.connect(dbfile)
assert [x for x in db1.iterdump()] == [x for x in db2.iterdump()]
def test_utf8_passthrough(node_factory, executor):
l1 = node_factory.get_node(options={'plugin': os.path.join(os.getcwd(), 'tests/plugins/utf8.py'),
'log-level': 'io'})