330 lines
13 KiB
JavaScript
330 lines
13 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var utils = require('./utils');
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var ethers = utils.getEthers(__filename);
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function equals(a, b) {
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if (Array.isArray(a)) {
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if (!Array.isArray(b) || a.length !== b.length) {
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return false;
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}
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for (var i = 0; i < a.length; i++) {
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if (!equals(a[i], b[i])) { return false; }
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}
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return true;
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}
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return a === b;
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}
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describe('Test Contract Address Generation', function() {
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// @TODO: Mine a large collection of these from the blockchain
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var getContractAddress = ethers.utils.getContractAddress;
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// Transaction: 0x939aa17985bc2a52a0c1cba9497ef09e092355a805a8150e30e24b753bac6864
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var Tests = [
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{
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address: '0x3474627D4F63A678266BC17171D87f8570936622',
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name: 'tx-0x939aa17985bc2a52a0c1cba9497ef09e092355a805a8150e30e24b753bac6864',
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tx: {
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from: '0xb2682160c482eb985ec9f3e364eec0a904c44c23',
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nonce: 10,
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}
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},
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// Ropsten: 0x5bdfd14fcc917abc2f02a30721d152a6f147f09e8cbaad4e0d5405d646c5c3e1
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{
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address: '0x0CcCC7507aEDf9FEaF8C8D731421746e16b4d39D',
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name: 'zero-nonce',
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tx: {
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from: '0xc6af6e1a78a6752c7f8cd63877eb789a2adb776c',
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nonce: 0
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}
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},
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]
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Tests.forEach(function(test) {
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it(('Computes the transaction address - ' + test.name), function() {
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this.timeout(120000);
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assert.equal(getContractAddress(test.tx), test.address, 'computes the transaction address');
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});
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});
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});
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describe('Test RLP Coder', function () {
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var rlp = ethers.utils.RLP;
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var tests = utils.loadTests('rlp-coder');
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tests.forEach(function(test) {
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it(('RLP coder encoded - ' + test.name), function() {
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this.timeout(120000);
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assert.equal(rlp.encode(test.decoded), test.encoded, 'RLP encoded - ' + test.name);
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});
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});
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tests.forEach(function(test) {
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it(('RLP coder decoded - ' + test.name), function() {
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this.timeout(120000);
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assert.ok(equals(rlp.decode(test.encoded), test.decoded),
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'RLP decoded - ' + test.name);
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});
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});
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});
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describe('Test Unit Conversion', function () {
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var tests = utils.loadTests('units');
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tests.forEach(function(test) {
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var wei = ethers.utils.bigNumberify(test.wei);
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var formatting = test.format || {};
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// We no longer support padding
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if (formatting.pad) { return; }
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it (('parses ' + test.ether + ' ether'), function() {
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assert.ok(ethers.utils.parseEther(test.ether.replace(/,/g, '')).eq(wei),
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'parsing ether failed - ' + test.name);
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});
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it (('formats ' + wei.toString() + ' wei (options: ' + JSON.stringify(formatting) + ')'), function() {
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var v = ethers.utils.formatEther(wei);
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if (formatting.commify) { v = ethers.utils.commify(v); }
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assert.equal(v, test.etherFormat,
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'formatting wei failed - ' + test.name);
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});
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});
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tests.forEach(function(test) {
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var wei = ethers.utils.bigNumberify(test.wei);
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var formatting = test.format || {};
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['kwei', 'mwei', 'gwei', 'szabo', 'finney', 'satoshi'].forEach(function(name) {
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var unitName = name;
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if (name === 'satoshi') { unitName = 8; }
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if (test[name]) {
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it(('parses ' + test[name] + ' ' + name), function() {
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this.timeout(120000);
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assert.ok(ethers.utils.parseUnits(test[name].replace(/,/g, ''), unitName).eq(wei),
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('parsing ' + name + ' failed - ' + test.name));
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});
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}
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if (test[name + '_format']) {
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it (('formats ' + wei.toString() + ' ' + name + ' (options: ' + JSON.stringify(formatting) + ')'), function() {
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var v = ethers.utils.formatUnits(wei, unitName);
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if (formatting.commify) { v = ethers.utils.commify(v); }
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assert.equal(v, test[name + '_format'],
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('formats ' + name + ' - ' + test.name));
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});
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}
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});
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});
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});
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describe('Test Namehash', function() {
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var tests = utils.loadTests('namehash');
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tests.forEach(function(test) {
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it(('computes namehash - "' + test.name + '"'), function() {
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this.timeout(120000);
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assert.equal(ethers.utils.namehash(test.name), test.expected,
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'computes namehash(' + test.name + ')');
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});
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});
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});
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describe('Test ID Hash Function', function () {
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var tests = [
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{
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name: 'setAddr signature hash',
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text: 'setAddr(bytes32,address)',
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expected: '0xd5fa2b00b0756613052388dd576d941ba16904757996b8bb03a737ef4fd1f9ce'
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}
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]
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tests.forEach(function(test) {
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it(('computes id - ' + test.name), function() {
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this.timeout(120000);
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var value = ethers.utils.id(test.text);
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assert.equal(value, test.expected,
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'computes id(' + test.text + ')');
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});
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});
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});
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describe('Test Solidity Hash Functions', function() {
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var tests = utils.loadTests('solidity-hashes');
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['Keccak256', 'Sha256'].forEach(function(funcName) {
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it(('computes ' + funcName + ' correctly'), function() {
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this.timeout(120000);
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tests.forEach(function(test, index) {
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var result = ethers.utils['solidity' + funcName](test.types, test.values);
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assert.equal(result, test[funcName.toLowerCase()],
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('computes solidity-' + funcName + '(' + JSON.stringify(test.values) + ') - ' + test.types));
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});
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});
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});
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});
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describe('Test Hash Functions', function() {
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var tests = utils.loadTests('hashes');
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it('computes keccak256 correctly', function() {
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this.timeout(120000);
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tests.forEach(function(test) {
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assert.equal(ethers.utils.keccak256(test.data), test.keccak256, ('Keccak256 - ' + test.data));
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});
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});
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it('computes sha2566 correctly', function() {
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this.timeout(120000);
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tests.forEach(function(test) {
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assert.equal(ethers.utils.sha256(test.data), test.sha256, ('SHA256 - ' + test.data));
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});
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});
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});
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describe('Test Solidity splitSignature', function() {
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it('splits a canonical signature', function() {
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this.timeout(120000);
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var r = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
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var s = '0xcafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7e';
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for (var v = 27; v <= 28; v++) {
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var signature = ethers.utils.concat([ r, s, [ v ] ]);
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var sig = ethers.utils.splitSignature(signature);
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assert.equal(sig.r, r, 'split r correctly');
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assert.equal(sig.s, s, 'split s correctly');
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assert.equal(sig.v, v, 'split v correctly');
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}
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});
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it('splits a legacy signature', function() {
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this.timeout(120000);
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var r = '0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
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var s = '0xcafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7ecafe1a7e';
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for (var v = 27; v <= 28; v++) {
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var signature = ethers.utils.concat([ r, s, [ v - 27 ] ]);
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var sig = ethers.utils.splitSignature(signature);
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assert.equal(sig.r, r, 'split r correctly');
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assert.equal(sig.s, s, 'split s correctly');
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assert.equal(sig.v, v, 'split v correctly');
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}
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});
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});
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describe('Test Base64 coder', function() {
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// https://en.wikipedia.org/wiki/Base64#Examples
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it('encodes and decodes the example from wikipedia', function() {
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this.timeout(120000);
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var decodedText = 'Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.';
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var decoded = ethers.utils.toUtf8Bytes(decodedText);
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var encoded = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=';
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assert.equal(ethers.utils.base64.encode(decoded), encoded, 'encodes to base64 string');
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assert.equal(ethers.utils.toUtf8String(ethers.utils.base64.decode(encoded)), decodedText, 'decodes from base64 sstring');
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});
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});
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describe('Test UTF-8 coder', function() {
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var BadUTF = [
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// See: https://en.wikipedia.org/wiki/UTF-8#Overlong_encodings
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{ bytes: [ 0xF0,0x82, 0x82, 0xAC ], reason: 'overlong', name: 'wikipedia overlong encoded Euro sign' },
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{ bytes: [ 0xc0, 0x80 ], reason: 'overlong', name: '2-byte overlong - 0xc080' },
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{ bytes: [ 0xc0, 0xbf ], reason: 'overlong', name: '2-byte overlong - 0xc0bf' },
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{ bytes: [ 0xc1, 0x80 ], reason: 'overlong', name: '2-byte overlong - 0xc180' },
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{ bytes: [ 0xc1, 0xbf ], reason: 'overlong', name: '2-byte overlong - 0xc1bf' },
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// Reserved UTF-16 Surrogate halves
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{ bytes: [ 0xed, 0xa0, 0x80 ], reason: 'utf-16 surrogate', name: 'utf-16 surrogate - U+d800' },
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{ bytes: [ 0xed, 0xbf, 0xbf ], reason: 'utf-16 surrogate', name: 'utf-16 surrogate - U+dfff' },
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// a leading byte not followed by enough continuation bytes
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{ bytes: [ 0xdf ], reason: 'too short', name: 'too short - 2-bytes - 0x00' },
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{ bytes: [ 0xe0 ], reason: 'too short', name: 'too short - 3-bytes' },
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{ bytes: [ 0xe0, 0x80 ], reason: 'too short', name: 'too short - 3-bytes with 1' },
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{ bytes: [ 0x80 ], reason: 'unexpected continuation byte', name: 'unexpected continuation byte' },
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{ bytes: [ 0xc2, 0x00 ], reason: 'invalid continuation byte', name: 'invalid continuation byte - 0xc200' },
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{ bytes: [ 0xc2, 0x40 ], reason: 'invalid continuation byte', name: 'invalid continuation byte - 0xc240' },
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{ bytes: [ 0xc2, 0xc0 ], reason: 'invalid continuation byte', name: 'invalid continuation byte - 0xc2c0' },
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// Out of range
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{ bytes: [ 0xf4, 0x90, 0x80, 0x80 ], reason: 'out-of-range', name: 'out of range' },
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];
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BadUTF.forEach(function(test) {
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it('toUtf8String - ' + test.name, function() {
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assert.throws(function() {
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var result = ethers.utils.toUtf8String(test.bytes);
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console.log('Result', result);
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}, function(error) {
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return (error.message.split(';').pop().trim() === test.reason)
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}, test.name);
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});
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});
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it('toUtf8String - random conversions', function() {
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this.timeout(200000);
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function randomChar(seed) {
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switch (utils.randomNumber(seed + '-range', 0, 4)) {
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case 0:
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return String.fromCharCode(utils.randomNumber(seed + '-value', 0, 0x100));
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case 1:
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return String.fromCharCode(utils.randomNumber(seed + '-value', 0, 0xd800));
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case 2:
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return String.fromCharCode(utils.randomNumber(seed + '-value', 0xdfff + 1, 0xffff));
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case 3:
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var left = utils.randomNumber(seed + '-value', 0xd800, 0xdbff + 1);
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var right = utils.randomNumber(seed + '-value', 0xdc00, 0xdfff + 1);
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return String.fromCharCode(left, right);
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}
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throw new Error('this should not happen');
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}
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function randomString(seed) {
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var length = utils.randomNumber(seed + '-length', 1, 5);
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var str = '';
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for (var i = 0; i < length; i++) {
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str += randomChar(seed + '-char-' + i);
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}
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return str;
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}
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for (var i = 0; i < 100000; i++) {
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var seed = 'test-' + String(i);
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var str = randomString(seed);
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var bytes = ethers.utils.toUtf8Bytes(str)
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var str2 = ethers.utils.toUtf8String(bytes);
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assert.ok(Buffer.from(str).equals(Buffer.from(bytes)), 'bytes not generated correctly - ' + bytes)
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assert.equal(str2, str, 'conversion not reflexive - ' + bytes);
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}
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});
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});
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describe('Test Bytes32String coder', function() {
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// @TODO: a LOT more test cases; generated from Solidity
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it("encodes an ens name", function() {
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var str = "ricmoo.firefly.eth";
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var bytes32 = ethers.utils.formatBytes32String(str);
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var str2 = ethers.utils.parseBytes32String(bytes32);
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assert.equal(bytes32, '0x7269636d6f6f2e66697265666c792e6574680000000000000000000000000000', 'formatted correctly');
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assert.equal(str2, str, "parsed correctly");
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});
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});
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