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db: don't allow newer db versions.

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Clearly we could do more damage if we continue.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-02-11 21:32:51 +10:30
committed by Christian Decker
parent 26617d1d64
commit 7eea02e846
1 changed files with 3 additions and 0 deletions
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3
wallet/db.c
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@@ -390,6 +390,9 @@ static void db_migrate(struct db *db, struct log *log)
if (current == -1) if (current == -1)
log_info(log, "Creating database"); log_info(log, "Creating database");
else if (available < current)
fatal("Refusing to migrate down from version %u to %u",
current, available);
else if (current != available) else if (current != available)
log_info(log, "Updating database from version %u to %u", log_info(log, "Updating database from version %u to %u",
current, available); current, available);