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wallet: Load any stored htlc_sigs when restoring channel 

Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2018-02-09 16:40:59 +01:00
parent 9f8f0ccec9
commit 37b96e9c95
1 changed files with 21 additions and 0 deletions
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21
wallet/wallet.c
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@ -460,6 +460,24 @@ bool wallet_peer_by_nodeid(struct wallet *w, const struct pubkey *nodeid,
return ok;
}
static secp256k1_ecdsa_signature *
wallet_htlc_sigs_load(const tal_t *ctx, struct wallet *w, u64 channelid)
{
sqlite3_stmt *stmt = db_prepare(w->db, "SELECT signature FROM htlc_sigs WHERE channelid = ?");
secp256k1_ecdsa_signature *htlc_sigs = tal_arr(ctx, secp256k1_ecdsa_signature, 0);
sqlite3_bind_int64(stmt, 1, channelid);
size_t n = 0;
while (stmt && sqlite3_step(stmt) == SQLITE_ROW) {
tal_resize(&htlc_sigs, n+1);
sqlite3_column_signature(stmt, 0, &htlc_sigs[n]);
n++;
}
sqlite3_finalize(stmt);
log_debug(w->log, "Loaded %zu HTLC signatures from DB", n);
return htlc_sigs;
}
/**
* wallet_stmt2channel - Helper to populate a wallet_channel from a sqlite3_stmt
*
@ -581,6 +599,9 @@ static bool wallet_stmt2channel(const tal_t *ctx, struct wallet *w, sqlite3_stmt
chan->peer->channel = chan;
/* Load any htlc_sigs */
chan->peer->last_htlc_sigs = wallet_htlc_sigs_load(chan->peer, w, chan->id);
return ok;
}