bitcoinjs-lib/test/base58.js

var assert = require('assert')
var base58 = require('../').base58
var convert = require('../').convert

describe('base58', function() {
  describe('decode', function() {
    it('validates known examples', function() {
      var enc = '5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ'
      var hex = '800c28fca386c7a227600b2fe50b7cae11ec86d3bf1fbe471be89827e19d72aa1d507a5b8d'
      assert.deepEqual(base58.decode(enc), convert.hexToBytes(hex))
    })
  })

  describe('encode', function() {
    it('handles known examples', function() {
      var enc = '5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ'
      var hex = '800c28fca386c7a227600b2fe50b7cae11ec86d3bf1fbe471be89827e19d72aa1d507a5b8d'
      assert.equal(base58.encode(convert.hexToBytes(hex)), enc)
    })
  })

  describe('checkEncode', function() {
    it('handles known examples', function() {
      var input = [
        171, 210, 178, 125, 2, 16, 86, 184, 248, 88, 235,
        163, 244, 160, 83, 156, 184, 186, 45, 167, 169, 164,
        67, 125, 163, 89, 106, 243, 207, 193, 149, 206
      ]
      var vbyte = 239

      assert.equal(base58.checkEncode(input, vbyte),
                   '92tb9mjz6q9eKZjYvLsgk87kPrMoh7BGRumSzPeUGhmigtsfrbP')
    })
  })

  describe('checkDecode', function() {
    it('handles known examples', function() {
      var input = '1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa'
      var expected =  [
        98, 233, 7, 177, 92, 191, 39, 213, 66, 83,
        153, 235, 246, 240, 251, 80, 235, 184, 143, 24
      ]
      expected.version = 0

      assert.deepEqual(base58.checkDecode(input), expected)
    })
  })
})