@0xcert/merkle
Version:
Implementation of basic functions of binary Merkle tree.
60 lines • 2.82 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("@0xcert/utils");
const spec_1 = require("@hayspec/spec");
const __1 = require("../../..");
const spec = new spec_1.Spec();
spec.before((ctx) => __awaiter(void 0, void 0, void 0, function* () {
ctx.set('merkle', new __1.Merkle({ hasher: (v) => utils_1.sha(256, v) }));
}));
spec.test('exposes 0 from empty array', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
const values = [];
const expose = [];
const fullRecipe = yield ctx.get('merkle').notarize(values);
const minRecipe = yield ctx.get('merkle').disclose(fullRecipe, expose);
ctx.deepEqual(minRecipe, {
values: [],
nodes: [
{ index: 0, hash: 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' },
],
});
}));
spec.test('exposes 0 from A, B, C, D', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
const values = ['A', 'B', 'C', 'D'];
const expose = [];
const fullRecipe = yield ctx.get('merkle').notarize(values);
const minRecipe = yield ctx.get('merkle').disclose(fullRecipe, expose);
ctx.deepEqual(minRecipe, {
values: [],
nodes: [
{ index: 0, hash: 'b16c961cbfca86d7b78cd687729bae18f1015c742e7319d91088502a892ba166' },
],
});
}));
spec.test('exposes 5 from A, B, C, D', (ctx) => __awaiter(void 0, void 0, void 0, function* () {
const values = ['A', 'B', 'C', 'D'];
const expose = [0, 2];
const fullRecipe = yield ctx.get('merkle').notarize(values);
const minRecipe = yield ctx.get('merkle').disclose(fullRecipe, expose);
ctx.deepEqual(minRecipe, {
values: [
{ index: 0, value: 'A', nonce: '' },
{ index: 2, value: 'C', nonce: '' },
],
nodes: [
{ index: 3, hash: 'acab60e972cca11cd0571b8d08fe9bfc6521565c601a3785c5f5fb0a406279e6' },
{ index: 6, hash: '1bfcb70acfee69c7ef93ea300e3127715dcced515022daf9f149d395610b2cc4' },
],
});
}));
exports.default = spec;
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