js-bigchaindb-driver/dist/node/transaction/utils/ccJsonify.js

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = ccJsonify;

var _bs = require('bs58');

var _bs2 = _interopRequireDefault(_bs);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * @public
 * Serializes a crypto-condition class (Condition or Fulfillment) into a BigchainDB-compatible JSON
 * @param {cc.Fulfillment} fulfillment base58 encoded Ed25519 public key for the recipient of the Transaction
 * @returns {object} Ed25519 Condition (that will need to wrapped in an Output)
 */
function ccJsonify(fulfillment) {

    var conditionUri = void 0;

    if ('getConditionUri' in fulfillment) conditionUri = fulfillment.getConditionUri();else if ('serializeUri' in fulfillment) conditionUri = fulfillment.serializeUri();

    var jsonBody = {
        'details': {},
        'uri': conditionUri
    };

    if (fulfillment.getTypeId() === 0) {
        jsonBody.details.type_id = 0;
        jsonBody.details.bitmask = 3;

        if ('preimage' in fulfillment) {
            jsonBody.details.preimage = fulfillment.preimage.toString();
            jsonBody.details.type = 'fulfillment';
        }
    }

    if (fulfillment.getTypeId() === 2) return {
        'details': {
            'type_id': 2,
            'type': 'fulfillment',
            'bitmask': fulfillment.getBitmask(),
            'threshold': fulfillment.threshold,
            'subfulfillments': fulfillment.subconditions.map(function (subcondition) {
                var subconditionJson = ccJsonify(subcondition.body);
                subconditionJson.details.weight = 1;
                return subconditionJson.details;
            })
        },
        'uri': conditionUri
    };

    if (fulfillment.getTypeId() === 4) {
        jsonBody.details.type_id = 4;
        jsonBody.details.bitmask = 32;

        if ('publicKey' in fulfillment) {
            jsonBody.details.signature = null;
            jsonBody.details.public_key = _bs2.default.encode(fulfillment.publicKey);
            jsonBody.details.type = 'fulfillment';
        }
    }

    if ('hash' in fulfillment) {
        jsonBody.details.hash = _bs2.default.encode(fulfillment.hash);
        jsonBody.details.max_fulfillment_length = fulfillment.maxFulfillmentLength;
        jsonBody.details.type = 'condition';
    }

    return jsonBody;
}
module.exports = exports['default'];