cipher-ethereum/dist/util.test.js

An Ethereum library used by Cipher Browser, a mobile Ethereum client

'use strict';

var _util = require('./util');

describe('decompressPublicKey', function () {
    test('does nothing and returns the same key if an already decompressed public key is given', function () {
        var testCases = ['04bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f72da911f6377971e1dcd4ff589f3ef84f51d4adde93b68498470b03399a8c451', '0406d900ae61f6f6a5fc73a1d0e7f6f6b0b22fcb31496a575ed5b07932b4cff0ee8479690287883c69f1f9e293b3397c9318ae13ec2144df29c8164d6cf935f5b6', '043ad5f4d0042a54769c390668bd120caa20ff193e54887342b1ccbe6a4df0e448c9e1517ddf27378ef0d75d964b21684d3f6a1d22d6d4c36898978afff9f55593', '04ce4bef9198f26a815f63e74c93b41d98d38c890d3bd19d65a55ede7efc5c8e5461caf6646800d4b44a38e39e81923158f10919d1aa791e151dc1f422a554c67e'];
        testCases.forEach(function (hex) {
            var publicKey = Buffer.from(hex, 'hex');
            expect((0, _util.decompressPublicKey)(publicKey).toString('hex')).toBe(hex);
        });
    });
    test('returns an decompressed representation of a given comprsesed public key', function () {
        var testCases = {
            '03bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f': '04bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f72da911f6377971e1dcd4ff589f3ef84f51d4adde93b68498470b03399a8c451',
            '0206d900ae61f6f6a5fc73a1d0e7f6f6b0b22fcb31496a575ed5b07932b4cff0ee': '0406d900ae61f6f6a5fc73a1d0e7f6f6b0b22fcb31496a575ed5b07932b4cff0ee8479690287883c69f1f9e293b3397c9318ae13ec2144df29c8164d6cf935f5b6',
            '033ad5f4d0042a54769c390668bd120caa20ff193e54887342b1ccbe6a4df0e448': '043ad5f4d0042a54769c390668bd120caa20ff193e54887342b1ccbe6a4df0e448c9e1517ddf27378ef0d75d964b21684d3f6a1d22d6d4c36898978afff9f55593',
            '02ce4bef9198f26a815f63e74c93b41d98d38c890d3bd19d65a55ede7efc5c8e54': '04ce4bef9198f26a815f63e74c93b41d98d38c890d3bd19d65a55ede7efc5c8e5461caf6646800d4b44a38e39e81923158f10919d1aa791e151dc1f422a554c67e'
        };
        Object.keys(testCases).forEach(function (compressedHex) {
            var decompressedHex = testCases[compressedHex];
            var compressedKey = Buffer.from(compressedHex, 'hex');
            expect((0, _util.decompressPublicKey)(compressedKey).toString('hex')).toBe(decompressedHex);
        });
    });
    test('throws an error if an invalid public key is given', function () {
        var testCases = ['03bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f72da911f6377971e1dcd4ff589f3ef84f51d4adde93b68498470b03399a8c451', '04ce4bef9198f26a815f63e74c93b41d98d38c890d3bd19d65a55ede7efc5c8e5461caf6646800d4b44a38e39e81923158f10919d1aa791e151dc1f422a554c67e00', '04ce4bef9198f26a815f63e74c93b41d98d38c890d3bd19d65a55ede7efc5c8e5461caf6646800d4b44a38e39e81923158f10919d1aa791e151dc1f422a554c6', '03bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f0a', '01bbcf65f8074fe2fba2b5a7ea44fcae88f7c12d0a51aa9c9193336739fee8167f', '02ffd900ae61f6f6a5fc73a1d0e7f6f6b0b22fcb31496a575ed5b07932b4cff0ee', '0206d900ae61f6f6a5fc73a1d0e7f6f6b0b22fcb31496a575ed5b07932b4cff0'];
        testCases.forEach(function (hex) {
            var publicKey = Buffer.from(hex, 'hex');
            expect(function () {
                return (0, _util.decompressPublicKey)(publicKey);
            }).toThrow(/invalid/);
        });
    });
});