149 lines
4.1 KiB
JavaScript
149 lines
4.1 KiB
JavaScript
/* global describe, it, beforeEach */
|
|
|
|
const assert = require('assert')
|
|
const Block = require('../src/block')
|
|
|
|
const fixtures = require('./fixtures/block')
|
|
|
|
describe('Block', function () {
|
|
describe('version', function () {
|
|
it('should be interpreted as an int32le', function () {
|
|
const blockHex = 'ffffffff0000000000000000000000000000000000000000000000000000000000000000414141414141414141414141414141414141414141414141414141414141414101000000020000000300000000'
|
|
const block = Block.fromHex(blockHex)
|
|
assert.equal(-1, block.version)
|
|
assert.equal(1, block.timestamp)
|
|
})
|
|
})
|
|
|
|
describe('calculateTarget', function () {
|
|
fixtures.targets.forEach(function (f) {
|
|
it('returns ' + f.expected + ' for 0x' + f.bits, function () {
|
|
const bits = parseInt(f.bits, 16)
|
|
|
|
assert.equal(Block.calculateTarget(bits).toString('hex'), f.expected)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('fromBuffer/fromHex', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
it('imports ' + f.description, function () {
|
|
const block = Block.fromHex(f.hex)
|
|
|
|
assert.strictEqual(block.version, f.version)
|
|
assert.strictEqual(block.prevHash.toString('hex'), f.prevHash)
|
|
assert.strictEqual(block.merkleRoot.toString('hex'), f.merkleRoot)
|
|
assert.strictEqual(block.timestamp, f.timestamp)
|
|
assert.strictEqual(block.bits, f.bits)
|
|
assert.strictEqual(block.nonce, f.nonce)
|
|
assert.strictEqual(!block.transactions, f.hex.length === 160)
|
|
})
|
|
})
|
|
|
|
fixtures.invalid.forEach(function (f) {
|
|
it('throws on ' + f.exception, function () {
|
|
assert.throws(function () {
|
|
Block.fromHex(f.hex)
|
|
}, new RegExp(f.exception))
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('toBuffer/toHex', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('exports ' + f.description, function () {
|
|
assert.strictEqual(block.toHex(true), f.hex.slice(0, 160))
|
|
assert.strictEqual(block.toHex(), f.hex)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('getHash/getId', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('returns ' + f.id + ' for ' + f.description, function () {
|
|
assert.strictEqual(block.getHash().toString('hex'), f.hash)
|
|
assert.strictEqual(block.getId(), f.id)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('getUTCDate', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('returns UTC date of ' + f.id, function () {
|
|
const utcDate = block.getUTCDate().getTime()
|
|
|
|
assert.strictEqual(utcDate, f.timestamp * 1e3)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('calculateMerkleRoot', function () {
|
|
it('should throw on zero-length transaction array', function () {
|
|
assert.throws(function () {
|
|
Block.calculateMerkleRoot([])
|
|
}, /Cannot compute merkle root for zero transactions/)
|
|
})
|
|
|
|
fixtures.valid.forEach(function (f) {
|
|
if (f.hex.length === 160) return
|
|
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('returns ' + f.merkleRoot + ' for ' + f.id, function () {
|
|
assert.strictEqual(Block.calculateMerkleRoot(block.transactions).toString('hex'), f.merkleRoot)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('checkMerkleRoot', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
if (f.hex.length === 160) return
|
|
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('returns ' + f.valid + ' for ' + f.id, function () {
|
|
assert.strictEqual(block.checkMerkleRoot(), true)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('checkProofOfWork', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
let block
|
|
|
|
beforeEach(function () {
|
|
block = Block.fromHex(f.hex)
|
|
})
|
|
|
|
it('returns ' + f.valid + ' for ' + f.id, function () {
|
|
assert.strictEqual(block.checkProofOfWork(), f.valid)
|
|
})
|
|
})
|
|
})
|
|
})
|