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db: Add confirmation_height and spend_height columns to outputs

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2018-02-19 15:31:04 +01:00
parent 1aa21498c3
commit 7f00230657
1 changed files with 9 additions and 0 deletions
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9
wallet/db.c
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@ -206,6 +206,15 @@ char *dbmigrations[] = {
* primarily to track confirmations across restarts and making
* sure we handle reorgs correctly. */
"CREATE TABLE blocks (height INT, hash BLOB, prev_hash BLOB, UNIQUE(height));",
/* ON DELETE CASCADE would have been nice for confirmation_height,
* so that we automatically delete outputs that fall off the
* blockchain and then we rediscover them if they are included
* again. However, we have the their_unilateral/to_us which we
* can't simply recognize from the chain without additional
* hints. So we just mark them as unconfirmed should the block
* die. */
"ALTER TABLE outputs ADD COLUMN confirmation_height INTEGER REFERENCES blocks(height) ON DELETE SET NULL;",
"ALTER TABLE outputs ADD COLUMN spend_height INTEGER REFERENCES blocks(height) ON DELETE SET NULL;",
NULL,
};