bitcoinjs-lib/test/ecsignature.js
2015-03-02 13:50:49 +11:00

122 lines
3.9 KiB
JavaScript

/* global describe, it */
var assert = require('assert')
var BigInteger = require('bigi')
var ECSignature = require('../src/ecsignature')
var fixtures = require('./fixtures/ecsignature.json')
describe('ECSignature', function () {
describe('toCompact', function () {
fixtures.valid.forEach(function (f) {
it('exports ' + f.compact.hex + ' correctly', function () {
var signature = new ECSignature(new BigInteger(f.signature.r), new BigInteger(f.signature.s))
var buffer = signature.toCompact(f.compact.i, f.compact.compressed)
assert.equal(buffer.toString('hex'), f.compact.hex)
})
})
})
describe('parseCompact', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.compact.hex + ' correctly', function () {
var buffer = new Buffer(f.compact.hex, 'hex')
var parsed = ECSignature.parseCompact(buffer)
assert.equal(parsed.compressed, f.compact.compressed)
assert.equal(parsed.i, f.compact.i)
assert.equal(parsed.signature.r.toString(), f.signature.r)
assert.equal(parsed.signature.s.toString(), f.signature.s)
})
})
fixtures.invalid.compact.forEach(function (f) {
it('throws on ' + f.hex, function () {
var buffer = new Buffer(f.hex, 'hex')
assert.throws(function () {
ECSignature.parseCompact(buffer)
}, new RegExp(f.exception))
})
})
})
describe('toDER', function () {
fixtures.valid.forEach(function (f) {
it('exports ' + f.DER + ' correctly', function () {
var signature = new ECSignature(new BigInteger(f.signature.r), new BigInteger(f.signature.s))
var DER = signature.toDER()
assert.equal(DER.toString('hex'), f.DER)
})
})
})
describe('fromDER', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.DER + ' correctly', function () {
var buffer = new Buffer(f.DER, 'hex')
var signature = ECSignature.fromDER(buffer)
assert.equal(signature.r.toString(), f.signature.r)
assert.equal(signature.s.toString(), f.signature.s)
})
})
fixtures.invalid.DER.forEach(function (f) {
it('throws on ' + f.hex, function () {
var buffer = new Buffer(f.hex, 'hex')
assert.throws(function () {
ECSignature.fromDER(buffer)
}, new RegExp(f.exception))
})
})
})
describe('toScriptSignature', function () {
fixtures.valid.forEach(function (f) {
it('exports ' + f.scriptSignature.hex + ' correctly', function () {
var signature = new ECSignature(new BigInteger(f.signature.r), new BigInteger(f.signature.s))
var scriptSignature = signature.toScriptSignature(f.scriptSignature.hashType)
assert.equal(scriptSignature.toString('hex'), f.scriptSignature.hex)
})
})
fixtures.invalid.scriptSignature.forEach(function (f) {
it('throws ' + f.exception, function () {
var signature = new ECSignature(new BigInteger(f.signature.r), new BigInteger(f.signature.s))
assert.throws(function () {
signature.toScriptSignature(f.hashType)
}, new RegExp(f.exception))
})
})
})
describe('parseScriptSignature', function () {
fixtures.valid.forEach(function (f) {
it('imports ' + f.scriptSignature.hex + ' correctly', function () {
var buffer = new Buffer(f.scriptSignature.hex, 'hex')
var parsed = ECSignature.parseScriptSignature(buffer)
assert.equal(parsed.signature.r.toString(), f.signature.r)
assert.equal(parsed.signature.s.toString(), f.signature.s)
assert.equal(parsed.hashType, f.scriptSignature.hashType)
})
})
fixtures.invalid.scriptSignature.forEach(function (f) {
it('throws on ' + f.hex, function () {
var buffer = new Buffer(f.hex, 'hex')
assert.throws(function () {
ECSignature.parseScriptSignature(buffer)
}, new RegExp(f.exception))
})
})
})
})