@iden3/js-merkletree/dist/node/esm/lib/entry/data.js

javascript sparse merkle tree library

var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _Data_value;
import { ElemBytes } from './elemBytes';
import { DATA_LEN, DATA_LEN_BYTES, ELEM_BYTES_LEN } from '../../constants';
import { bytesEqual } from '../utils';
export class Data {
    constructor() {
        _Data_value.set(this, void 0);
        __classPrivateFieldSet(this, _Data_value, new Array(DATA_LEN), "f");
    }
    get value() {
        return __classPrivateFieldGet(this, _Data_value, "f");
    }
    set value(_v) {
        if (_v.length !== DATA_LEN) {
            throw `expected bytes length to be ${DATA_LEN}, got ${_v.length}`;
        }
        __classPrivateFieldSet(this, _Data_value, _v, "f");
    }
    bytes() {
        const b = new Uint8Array(DATA_LEN * ELEM_BYTES_LEN);
        for (let idx = 0; idx < DATA_LEN; idx += 1) {
            __classPrivateFieldGet(this, _Data_value, "f")[idx].value.forEach((v, _idx) => {
                b[idx * ELEM_BYTES_LEN + _idx] = v;
            });
        }
        return b;
    }
    equal(d2) {
        return (bytesEqual(__classPrivateFieldGet(this, _Data_value, "f")[0].value, d2.value[0].value) &&
            bytesEqual(__classPrivateFieldGet(this, _Data_value, "f")[1].value, d2.value[1].value) &&
            bytesEqual(__classPrivateFieldGet(this, _Data_value, "f")[2].value, d2.value[2].value) &&
            bytesEqual(__classPrivateFieldGet(this, _Data_value, "f")[3].value, d2.value[3].value));
    }
}
_Data_value = new WeakMap();
export const newDataFromBytes = (bytes) => {
    if (bytes.length !== DATA_LEN_BYTES) {
        throw `expected bytes length to be ${DATA_LEN_BYTES}, got ${bytes.length}`;
    }
    const d = new Data();
    const arr = new Array(DATA_LEN_BYTES);
    for (let i = 0; i < DATA_LEN; i += 1) {
        const tmp = new ElemBytes();
        tmp.value = bytes.slice(i * ELEM_BYTES_LEN, (i + 1) * DATA_LEN_BYTES);
        arr[i] = tmp;
    }
    d.value = arr;
    return d;
};