Function json_openchannel_signed

lightningd/dual_open_control.c:2394–2503

}

static struct command_result *
json_openchannel_signed(struct command *cmd,
			 const char *buffer,
			 const jsmntok_t *obj UNNEEDED,
			 const jsmntok_t *params)
{
	struct wally_psbt *psbt;
	struct channel_id *cid;
	struct channel *channel;
	struct bitcoin_txid txid;
	struct channel_inflight *inflight;

	if (!param(cmd, buffer, params,
		   p_req("channel_id", param_channel_id, &cid),
		   p_req("signed_psbt", param_psbt, &psbt),
		   NULL))
		return command_param_failed();

	channel = channel_by_cid(cmd->ld, cid);
	if (!channel)
		return command_fail(cmd, FUNDING_UNKNOWN_CHANNEL,
				    "Unknown channel");
	if (!channel->owner)
		return command_fail(cmd, FUNDING_PEER_NOT_CONNECTED,
				    "Peer not connected");

	if (channel->open_attempt)
		return command_fail(cmd, FUNDING_STATE_INVALID,
				    "Commitments for this channel not "
				    "yet secured, see `openchannel_update`");

	if (list_empty(&channel->inflights))
		return command_fail(cmd, FUNDING_STATE_INVALID,
				    "Channel open not initialized yet.");

	if (channel->openchannel_signed_cmd)
		return command_fail(cmd, FUNDING_STATE_INVALID,
				    "Already sent sigs, waiting for peer's");

	/* Verify that the psbt's txid matches that of the
	 * funding txid for this channel */
	psbt_txid(NULL, psbt, &txid, NULL);
	if (!bitcoin_txid_eq(&txid, &channel->funding.txid))
		return command_fail(cmd, FUNDING_PSBT_INVALID,
				    "Txid for passed in PSBT does not match"
				    " funding txid for channel. Expected %s, "
				    "received %s",
				    type_to_string(tmpctx, struct bitcoin_txid,
						   &channel->funding.txid),
				    type_to_string(tmpctx, struct bitcoin_txid,
						   &txid));

	inflight = list_tail(&channel->inflights,
			     struct channel_inflight,
			     list);
	if (!inflight)
		return command_fail(cmd, LIGHTNINGD,
				    "Open attempt for channel not found");