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wallet: make it clear that enum state_change is in db.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2023-03-20 10:49:05 +10:30
parent f720e0ff0b
commit 6e1eafbb0b
2 changed files with 32 additions and 4 deletions
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1
lightningd/channel_state.h
View file

@ -43,6 +43,7 @@ enum channel_state {
};
#define CHANNEL_STATE_MAX DUALOPEND_AWAITING_LOCKIN
/* These are in the database, so don't renumber them! */
enum state_change {
/* Anything other than the reasons below. Should not happen. */
REASON_UNKNOWN,

35
wallet/wallet.c
View file

@ -63,6 +63,33 @@ void db_fatal(const char *fmt, ...)
}
#endif /* DB_FATAL */
/* These go in db, so values cannot change (we can't put this into
* lightningd/channel_state.h since it confuses cdump!) */
static enum state_change state_change_in_db(enum state_change s)
{
switch (s) {
case REASON_UNKNOWN:
BUILD_ASSERT(REASON_UNKNOWN == 0);
return s;
case REASON_LOCAL:
BUILD_ASSERT(REASON_LOCAL == 1);
return s;
case REASON_USER:
BUILD_ASSERT(REASON_USER == 2);
return s;
case REASON_REMOTE:
BUILD_ASSERT(REASON_REMOTE == 3);
return s;
case REASON_PROTOCOL:
BUILD_ASSERT(REASON_PROTOCOL == 4);
return s;
case REASON_ONCHAIN:
BUILD_ASSERT(REASON_ONCHAIN == 5);
return s;
}
fatal("%s: %u is invalid", __func__, s);
}
static void outpointfilters_init(struct wallet *w)
{
struct db_stmt *stmt;
@ -1512,7 +1539,7 @@ static struct channel *wallet_stmt2channel(struct wallet *w, struct db_stmt *stm
db_col_u64(stmt, "remote_static_remotekey_start"),
type,
db_col_int(stmt, "closer"),
db_col_int(stmt, "state_change_reason"),
state_change_in_db(db_col_int(stmt, "state_change_reason")),
shutdown_wrong_funding,
take(height_states),
db_col_int(stmt, "lease_expiry"),
@ -1951,7 +1978,7 @@ void wallet_channel_save(struct wallet *w, struct channel *chan)
db_bind_int(stmt, 32, channel_has(chan, OPT_ANCHOR_OUTPUTS));
db_bind_talarr(stmt, 33, chan->shutdown_scriptpubkey[LOCAL]);
db_bind_int(stmt, 34, chan->closer);
db_bind_int(stmt, 35, chan->state_change_cause);
db_bind_int(stmt, 35, state_change_in_db(chan->state_change_cause));
if (chan->shutdown_wrong_funding) {
db_bind_txid(stmt, 36, &chan->shutdown_wrong_funding->txid);
db_bind_int(stmt, 37, chan->shutdown_wrong_funding->n);
@ -2096,7 +2123,7 @@ void wallet_state_change_add(struct wallet *w,
db_bind_timeabs(stmt, 1, *timestamp);
db_bind_int(stmt, 2, old_state);
db_bind_int(stmt, 3, new_state);
db_bind_int(stmt, 4, cause);
db_bind_int(stmt, 4, state_change_in_db(cause));
db_bind_text(stmt, 5, message);
db_exec_prepared_v2(take(stmt));
@ -2127,7 +2154,7 @@ struct state_change_entry *wallet_state_change_get(struct wallet *w,
tmp.timestamp = db_col_timeabs(stmt, "timestamp");
tmp.old_state = db_col_int(stmt, "old_state");
tmp.new_state = db_col_int(stmt, "new_state");
tmp.cause = db_col_int(stmt, "cause");
tmp.cause = state_change_in_db(db_col_int(stmt, "cause"));
tmp.message = db_col_strdup(res, stmt, "message");
tal_arr_expand(&res, tmp);
}