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lightningd: tweak db remote channel_announcement sigs API.
Don't return false on db errors (we always fail on those), but return false if they don't exist. Also, add routine to clear them. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
parent
cff166b687
commit
e84baf78ac
4 changed files with 59 additions and 39 deletions
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@ -1557,14 +1557,15 @@ bool peer_start_channeld(struct channel *channel,
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if (channel->ignore_fee_limits || ld->config.ignore_fee_limits)
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log_unusual(channel->log, "Ignoring fee limits!");
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if (!wallet_remote_ann_sigs_load(tmpctx, channel->peer->ld->wallet,
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channel->dbid,
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&remote_ann_node_sig,
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&remote_ann_bitcoin_sig)) {
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channel_internal_error(channel,
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"Could not load remote announcement"
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" signatures");
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return false;
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remote_ann_node_sig = tal(tmpctx, secp256k1_ecdsa_signature);
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remote_ann_bitcoin_sig = tal(tmpctx, secp256k1_ecdsa_signature);
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if (!wallet_remote_ann_sigs_load(channel->peer->ld->wallet,
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channel,
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remote_ann_node_sig,
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remote_ann_bitcoin_sig)) {
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remote_ann_node_sig = tal_free(remote_ann_node_sig);
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remote_ann_bitcoin_sig = tal_free(remote_ann_bitcoin_sig);
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}
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pbases = wallet_penalty_base_load_for_channel(
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@ -1818,12 +1818,16 @@ static bool test_channel_crud(struct lightningd *ld, const tal_t *ctx)
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wallet_announcement_save(w, c1.dbid, node_sig1, bitcoin_sig1);
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CHECK_MSG(!wallet_err,
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tal_fmt(w, "Insert ann sigs into DB: %s", wallet_err));
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CHECK_MSG(load = wallet_remote_ann_sigs_load(w, w, c1.dbid, &node_sig2, &bitcoin_sig2), tal_fmt(w, "Load ann sigs from DB"));
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node_sig2 = tal(tmpctx, secp256k1_ecdsa_signature);
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bitcoin_sig2 = tal(tmpctx, secp256k1_ecdsa_signature);
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CHECK_MSG(load = wallet_remote_ann_sigs_load(w, &c1, node_sig2, bitcoin_sig2), tal_fmt(w, "Load ann sigs from DB"));
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CHECK_MSG(!wallet_err,
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tal_fmt(w, "Load ann sigs from DB: %s", wallet_err));
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CHECK(load == true);
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CHECK_MSG(!memcmp(node_sig1, node_sig2, sizeof(*node_sig1)), "Compare ann sigs loaded with saved (v5)");
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CHECK_MSG(!memcmp(bitcoin_sig1, bitcoin_sig2, sizeof(*node_sig1)), "Compare ann sigs loaded with saved (v5)");
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wallet_remote_ann_sigs_clear(w, &c1);
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CHECK(!wallet_remote_ann_sigs_load(w, &c1, node_sig2, bitcoin_sig2));
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db_commit_transaction(w->db);
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CHECK(!wallet_err);
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@ -1075,16 +1075,17 @@ wallet_htlc_sigs_load(const tal_t *ctx, struct wallet *w, u64 channelid,
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return htlc_sigs;
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}
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bool wallet_remote_ann_sigs_load(const tal_t *ctx, struct wallet *w, u64 id,
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secp256k1_ecdsa_signature **remote_ann_node_sig,
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secp256k1_ecdsa_signature **remote_ann_bitcoin_sig)
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bool wallet_remote_ann_sigs_load(struct wallet *w,
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const struct channel *chan,
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secp256k1_ecdsa_signature *remote_ann_node_sig,
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secp256k1_ecdsa_signature *remote_ann_bitcoin_sig)
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{
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struct db_stmt *stmt;
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bool res;
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stmt = db_prepare_v2(
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w->db, SQL("SELECT remote_ann_node_sig, remote_ann_bitcoin_sig"
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" FROM channels WHERE id = ?"));
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db_bind_u64(stmt, id);
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db_bind_u64(stmt, chan->dbid);
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db_query_prepared(stmt);
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res = db_step(stmt);
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@ -1096,29 +1097,31 @@ bool wallet_remote_ann_sigs_load(const tal_t *ctx, struct wallet *w, u64 id,
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if (db_col_is_null(stmt, "remote_ann_node_sig")
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|| db_col_is_null(stmt, "remote_ann_bitcoin_sig")) {
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db_col_ignore(stmt, "remote_ann_bitcoin_sig");
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*remote_ann_node_sig = *remote_ann_bitcoin_sig = NULL;
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tal_free(stmt);
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return true;
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return false;
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}
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/* the case left over is both sigs exist */
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*remote_ann_node_sig = tal(ctx, secp256k1_ecdsa_signature);
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*remote_ann_bitcoin_sig = tal(ctx, secp256k1_ecdsa_signature);
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if (!db_col_signature(stmt, "remote_ann_node_sig", remote_ann_node_sig))
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db_fatal(w->db, "Failed to decode remote_ann_node_sig for id %"PRIu64, chan->dbid);
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if (!db_col_signature(stmt, "remote_ann_node_sig", *remote_ann_node_sig))
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goto fail;
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if (!db_col_signature(stmt, "remote_ann_bitcoin_sig", *remote_ann_bitcoin_sig))
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goto fail;
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if (!db_col_signature(stmt, "remote_ann_bitcoin_sig", remote_ann_bitcoin_sig))
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db_fatal(w->db, "Failed to decode remote_ann_bitcoin_sig for id %"PRIu64, chan->dbid);
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tal_free(stmt);
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return true;
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}
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fail:
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*remote_ann_node_sig = tal_free(*remote_ann_node_sig);
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*remote_ann_bitcoin_sig = tal_free(*remote_ann_bitcoin_sig);
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tal_free(stmt);
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return false;
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void wallet_remote_ann_sigs_clear(struct wallet *w, const struct channel *chan)
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{
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struct db_stmt *stmt;
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stmt = db_prepare_v2(w->db,
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SQL("UPDATE channels"
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" SET remote_ann_node_sig=?, remote_ann_bitcoin_sig=?"
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" WHERE id = ?"));
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db_bind_null(stmt);
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db_bind_null(stmt);
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db_bind_u64(stmt, chan->dbid);
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db_exec_prepared_v2(take(stmt));
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}
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static struct fee_states *wallet_channel_fee_states_load(struct wallet *w,
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@ -2215,6 +2218,7 @@ void wallet_channel_save(struct wallet *w, struct channel *chan)
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{
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struct db_stmt *stmt;
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u8 *last_sent_commit;
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const struct peer_update *peer_update;
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assert(chan->first_blocknum);
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wallet_channel_config_save(w, &chan->our_config);
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@ -2353,12 +2357,13 @@ void wallet_channel_save(struct wallet *w, struct channel *chan)
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db_bind_null(stmt);
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db_bind_int(stmt, chan->ignore_fee_limits);
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if (chan->peer_update) {
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db_bind_int(stmt, chan->peer_update->fee_base);
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db_bind_int(stmt, chan->peer_update->fee_ppm);
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db_bind_int(stmt, chan->peer_update->cltv_delta);
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db_bind_amount_msat(stmt, &chan->peer_update->htlc_minimum_msat);
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db_bind_amount_msat(stmt, &chan->peer_update->htlc_maximum_msat);
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peer_update = chan->peer_update;
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if (peer_update) {
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db_bind_int(stmt, peer_update->fee_base);
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db_bind_int(stmt, peer_update->fee_ppm);
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db_bind_int(stmt, peer_update->cltv_delta);
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db_bind_amount_msat(stmt, &peer_update->htlc_minimum_msat);
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db_bind_amount_msat(stmt, &peer_update->htlc_maximum_msat);
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} else {
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db_bind_null(stmt);
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db_bind_null(stmt);
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@ -1262,15 +1262,25 @@ bool wallet_forward_delete(struct wallet *w,
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/**
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* Load remote_ann_node_sig and remote_ann_bitcoin_sig
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*
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* @ctx: allocation context for the return value
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* @w: wallet containing the channel
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* @id: channel database id
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* @chan: channel (must be in db)
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* @remote_ann_node_sig: location to load remote_ann_node_sig to
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* @remote_ann_bitcoin_sig: location to load remote_ann_bitcoin_sig to
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*
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* Returns false if the signatures were null.
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*/
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bool wallet_remote_ann_sigs_load(const tal_t *ctx, struct wallet *w, u64 id,
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secp256k1_ecdsa_signature **remote_ann_node_sig,
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secp256k1_ecdsa_signature **remote_ann_bitcoin_sig);
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bool wallet_remote_ann_sigs_load(struct wallet *w,
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const struct channel *chan,
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secp256k1_ecdsa_signature *remote_ann_node_sig,
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secp256k1_ecdsa_signature *remote_ann_bitcoin_sig);
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/**
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* Null out remote_ann_node_sig and remote_ann_bitcoin_sig
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*
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* @w: wallet containing the channel
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* @id: channel database id
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*/
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void wallet_remote_ann_sigs_clear(struct wallet *w, const struct channel *chan);
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/**
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* Get a list of transactions that we track in the wallet.
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