Function handle_unknown_commitment

onchaind/onchaind.c:3276–3387

}

static void handle_unknown_commitment(const struct tx_parts *tx,
				      u32 tx_blockheight,
				      const struct basepoints basepoints[NUM_SIDES],
				      struct tracked_output **outs)
{
	int to_us_output = -1;
	struct htlcs_info *htlcs_info;

	onchain_annotate_txin(&tx->txid, 0, TX_CHANNEL_UNILATERAL | TX_THEIRS);

	resolved_by_other(outs[0], &tx->txid, UNKNOWN_UNILATERAL);

	/* Normally, csv is 1, but for option_will_fund, we need to
	 * figure out what CSV lock was used */
	for (size_t csv = 1; csv <= LEASE_RATE_DURATION; csv++) {
		const u8 *local_script;
		local_script = scriptpubkey_to_remote(tmpctx,
						      &basepoints[LOCAL].payment,
						      csv);

		for (size_t i = 0; i < tal_count(tx->outputs); i++) {
			struct amount_asset asset;
			struct amount_sat amt;
			struct bitcoin_outpoint outpoint;
			struct tracked_output *out;

			if (!wally_tx_output_scripteq(tx->outputs[i],
						      local_script))
				continue;

			asset = wally_tx_output_get_amount(tx->outputs[i]);
			assert(amount_asset_is_main(&asset));
			amt = amount_asset_to_sat(&asset);

			outpoint.txid = tx->txid;
			outpoint.n = i;

			/* BOLT #5:
			 *
			 * - MAY take no action in regard to the associated
			 *   `to_remote`, which is simply a P2WPKH output to
			 *   the *local node*.
			 *   - Note: `to_remote` is considered *resolved* by the
			 *     commitment transaction itself.
			 */
			out = new_tracked_output(&outs, &outpoint,
						 tx_blockheight,
						 UNKNOWN_UNILATERAL,
						 amt,
						 OUTPUT_TO_US, NULL, NULL, NULL);
			ignore_output(out);

			tell_wallet_to_remote(tx, &outpoint,
					      tx_blockheight,
					      local_script,
					      NULL,
					      true,
					      csv);