leasehold-http-api/controllers/signatures.js

HTTP API module for Leasehold sidechain

/*
 * Copyright © 2019 Lisk Foundation
 *
 * See the LICENSE file at the top-level directory of this distribution
 * for licensing information.
 *
 * Unless otherwise agreed in a custom licensing agreement with the Lisk Foundation,
 * no part of this software, including this file, may be copied, modified,
 * propagated, or distributed except according to the terms contained in the
 * LICENSE file.
 *
 * Removal or modification of this copyright notice is prohibited.
 */

'use strict';

const ApiError = require('../api_error');
const apiCodes = require('../api_codes');

// Private Fields
let channel;
let chainModuleAlias;

/**
 * Description of the function.
 *
 * @class
 * @memberof api.controllers
 * @requires lodash
 * @requires helpers/apiError
 * @param {Object} scope - App instance
 * @todo Add description of SignaturesController
 */
function SignaturesController(scope) {
	({ channel, chainModuleAlias } = scope);
}

/**
 * Description of the function.
 *
 * @param {Object} context
 * @param {function} next
 * @todo Add description for the function and the params
 */
SignaturesController.postSignature = async function(context, next) {
	const signature = context.request.swagger.params.signature.value;
	let error;

	try {
		const data = await channel.invoke(`${chainModuleAlias}:postSignature`, { signature });

		if (data.success) {
			return next(null, {
				data: { message: 'Signature Accepted' },
				meta: { status: true },
			});
		}

		if (data.code === apiCodes.PROCESSING_ERROR) {
			error = new ApiError(
				'Error processing signature',
				apiCodes.PROCESSING_ERROR,
				data.errors,
			);
		} else if (data.code === apiCodes.BAD_REQUEST) {
			error = new ApiError(
				'Invalid signature body',
				apiCodes.BAD_REQUEST,
				data.errors,
			);
		} else {
			error = new ApiError(
				'Internal server error',
				apiCodes.INTERNAL_SERVER_ERROR,
				[],
			);
		}
	} catch (err) {
		error = new ApiError(
			'Internal server error',
			apiCodes.INTERNAL_SERVER_ERROR,
		);
	}

	context.statusCode = error.code;
	return next(error);
};

module.exports = SignaturesController;