Function handle_tx_sigs

openingd/dualopend.c:1300–1390

}

static void handle_tx_sigs(struct state *state, const u8 *msg)
{
	struct channel_id cid;
	struct bitcoin_txid txid;
	const struct witness **witnesses;
	struct tx_state *tx_state = state->tx_state;

	struct tlv_txsigs_tlvs *txsig_tlvs = tlv_txsigs_tlvs_new(tmpctx);
	if (!fromwire_tx_signatures(tmpctx, msg, &cid, &txid,
				    cast_const3(
					    struct witness ***,
					    &witnesses),
				    &txsig_tlvs))
		open_err_fatal(state, "Bad tx_signatures %s",
			       tal_hex(msg, msg));

	/* Maybe they didn't get our channel_ready message ? */
	if (state->channel_ready[LOCAL]) {
		if (!state->tx_state->remote_funding_sigs_rcvd) {
			state->tx_state->remote_funding_sigs_rcvd = true;
			status_info("Got WIRE_TX_SIGNATURES after channel_ready "
				    "for channel %s, ignoring: %s",
				    fmt_channel_id(tmpctx,
						   &state->channel_id),
				    tal_hex(tmpctx, msg));
		} else {
			status_broken("Got WIRE_TX_SIGNATURES after channel_ready "
				      "for channel %s, ignoring: %s",
				      fmt_channel_id(tmpctx,
						     &state->channel_id),
				      tal_hex(tmpctx, msg));
		}
		return;
	}

	if (state->channel_ready[REMOTE])
		open_err_warn(state,
			      "tx_signatures sent after channel_ready %s",
			      tal_hex(msg, msg));

	if (!tx_state->psbt)
		open_err_warn(state,
			      "tx_signatures for %s received,"
			      " open negotiation still in progress.",
			      fmt_bitcoin_txid(tmpctx,
					     &txid));


	if (!bitcoin_txid_eq(&tx_state->funding.txid, &txid))
		open_err_warn(state,
			      "tx_signatures for %s received,"
			      "working on funding_txid %s",
			      fmt_bitcoin_txid(tmpctx,
					     &txid),
			      fmt_bitcoin_txid(tmpctx,
					     &tx_state->funding.txid));

	if (!tx_state->has_commitments)