package: use bs58check

src/base58check.js

@@ -1,32 +0,0 @@
-// https://en.bitcoin.it/wiki/Base58Check_encoding
-var assert = require('assert')
-var base58 = require('bs58')
-var crypto = require('./crypto')
-
-// Encode a buffer as a base58-check-encoded string
-function encode(payload) {
-  var checksum = crypto.hash256(payload).slice(0, 4)
-
-  return base58.encode(Buffer.concat([
-    payload,
-    checksum
-  ]))
-}
-
-// Decode a base58-check-encoded string to a buffer
-function decode(string) {
-  var buffer = base58.decode(string)
-
-  var payload = buffer.slice(0, -4)
-  var checksum = buffer.slice(-4)
-  var newChecksum = crypto.hash256(payload).slice(0, 4)
-
-  assert.deepEqual(newChecksum, checksum, 'Invalid checksum')
-
-  return payload
-}
-
-module.exports = {
-  encode: encode,
-  decode: decode
-}