Function signpsbt_done

plugins/txprepare.c:144–175

Called after lightningd has signed the inputs. */

/* Called after lightningd has signed the inputs. */
static struct command_result *signpsbt_done(struct command *cmd,
					    const char *buf,
					    const jsmntok_t *result,
					    struct unreleased_tx *utx)
{
	struct out_req *req;
	const jsmntok_t *psbttok = json_get_member(buf, result, "signed_psbt");
	struct bitcoin_txid txid;

	tal_free(utx->psbt);
	utx->psbt = json_tok_psbt(utx, buf, psbttok);
	/* Replace with signed tx. */
	tal_free(utx->tx);

	/* The txid from the final should match our expectation. */
	psbt_txid(utx, utx->psbt, &txid, &utx->tx);
	if (!bitcoin_txid_eq(&txid, &utx->txid)) {
		return command_fail(cmd, LIGHTNINGD,
				    "Signed tx changed txid? Had '%s' now '%s'",
				    tal_hex(tmpctx,
					    linearize_wtx(tmpctx, utx->tx)),
				    tal_hex(tmpctx,
					    linearize_wtx(tmpctx,
							  utx->psbt->tx)));
	}

	req = jsonrpc_request_start(cmd->plugin, cmd, "sendpsbt",
				    sendpsbt_done, forward_error,
				    utx);
	json_add_psbt(req->js, "psbt", utx->psbt);
	return send_outreq(cmd->plugin, req);
}

static struct command_result *finish_txprepare(struct command *cmd,
					       struct txprepare *txp)