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bkpr: Add an option to set the database to something else (postgres)

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`lightningd` has an option --wallet that lets you supply a database dsn
string to connect to a sqlite3/postgres database that's hosted/stored
elsewhere.

This adds the `--bookkeeper-db` option which does the same, except for
the bookkeeping data for a node!

Note that the default is to go in the `lightning-dir` in a database
called `accounts.sqlite3`
This commit is contained in:
niftynei
2022-07-19 17:04:40 +09:30
committed by Rusty Russell
parent 3c79a456c0
commit 71c03bc082
5 changed files with 31 additions and 3 deletions
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16
plugins/bkpr/bookkeeper.c
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@@ -34,7 +34,7 @@
/* The database that we store all the accounting data in */
static struct db *db ;
static char *db_dsn = "sqlite3://accounts.sqlite3";
static char *db_dsn;
static char *datadir;
static struct fee_sum *find_sum_for_txid(struct fee_sum **sums,
@@ -1780,7 +1780,14 @@ static const char *init(struct plugin *p, const char *b, const jsmntok_t *t)
"Unable to switch to 'bookkeeper-dir'=%s",
datadir);
}
/* No user suppled db_dsn, set one up here */
if (!db_dsn)
db_dsn = tal_fmt(NULL, "sqlite3://accounts.sqlite3");
plugin_log(p, LOG_DBG, "Setting up database at %s", db_dsn);
db = notleak(db_setup(p, p, db_dsn));
db_dsn = tal_free(db_dsn);
return NULL;
}
@@ -1791,6 +1798,8 @@ int main(int argc, char *argv[])
/* No datadir is default */
datadir = NULL;
db_dsn = NULL;
plugin_main(argv, init, PLUGIN_STATIC, true, NULL,
commands, ARRAY_SIZE(commands),
notifs, ARRAY_SIZE(notifs),
@@ -1800,6 +1809,11 @@ int main(int argc, char *argv[])
"string",
"Location for bookkeeper records.",
charp_option, &datadir),
plugin_option("bookkeeper-db",
"string",
"Location of the bookkeeper database",
charp_option, &db_dsn),
NULL);
return 0;
}