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wallet: Add primitive to store htlc_sigs in the database

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker
2018-02-09 15:44:39 +01:00
parent e1c0119373
commit 3bb619fee4
2 changed files with 23 additions and 0 deletions
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18
wallet/wallet.c
View File

@@ -1495,3 +1495,21 @@ wallet_payment_list(const tal_t *ctx,
return payments;
}
void wallet_htlc_sigs_save(struct wallet *w, u64 channel_id,
secp256k1_ecdsa_signature *htlc_sigs)
{
/* Clear any existing HTLC sigs for this channel */
sqlite3_stmt *stmt =
db_prepare(w->db, "DELETE FROM htlc_sigs WHERE channelid = ?");
sqlite3_bind_int64(stmt, 1, channel_id);
db_exec_prepared(w->db, stmt);
/* Now insert the new ones */
for (size_t i=0; i<tal_count(htlc_sigs); i++) {
stmt = db_prepare(w->db, "INSERT INTO htlc_sigs (channelid, signature) VALUES (?, ?)");
sqlite3_bind_int64(stmt, 1, channel_id);
sqlite3_bind_signature(stmt, 2, &htlc_sigs[i]);
db_exec_prepared(w->db, stmt);
}
}

5
wallet/wallet.h
View File

@@ -619,4 +619,9 @@ const struct wallet_payment **wallet_payment_list(const tal_t *ctx,
struct wallet *wallet,
const struct sha256 *payment_hash);
/**
* wallet_htlc_sigs_save - Store the latest HTLC sigs for the channel
*/
void wallet_htlc_sigs_save(struct wallet *w, u64 channel_id,
secp256k1_ecdsa_signature *htlc_sigs);
#endif /* WALLET_WALLET_H */