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Editing File: /home/ubuntu/todaykat-frontend-base/node_modules/content-hash/dist/index.js

var Buffer = require('safe-buffer').Buffer

module.exports = function base (ALPHABET) {
  var ALPHABET_MAP = {}
  var BASE = ALPHABET.length
  var LEADER = ALPHABET.charAt(0)

// pre-compute lookup table
  for (var z = 0; z < ALPHABET.length; z++) {
    var x = ALPHABET.charAt(z)

if (ALPHABET_MAP[x] !== undefined) throw new TypeError(x + ' is ambiguous')
    ALPHABET_MAP[x] = z
  }

function encode (source) {
    if (source.length === 0) return ''

var digits = [0]
    for (var i = 0; i < source.length; ++i) {
      for (var j = 0, carry = source[i]; j < digits.length; ++j) {
        carry += digits[j] << 8
        digits[j] = carry % BASE
        carry = (carry / BASE) | 0
      }

while (carry > 0) {
        digits.push(carry % BASE)
        carry = (carry / BASE) | 0
      }
    }

var string = ''

// deal with leading zeros
    for (var k = 0; source[k] === 0 && k < source.length - 1; ++k) string += LEADER
    // convert digits to a string
    for (var q = digits.length - 1; q >= 0; --q) string += ALPHABET[digits[q]]

return string
  }

function decodeUnsafe (string) {
    if (typeof string !== 'string') throw new TypeError('Expected String')
    if (string.length === 0) return Buffer.allocUnsafe(0)

var bytes = [0]
    for (var i = 0; i < string.length; i++) {
      var value = ALPHABET_MAP[string[i]]
      if (value === undefined) return

for (var j = 0, carry = value; j < bytes.length; ++j) {
        carry += bytes[j] * BASE
        bytes[j] = carry & 0xff
        carry >>= 8
      }

while (carry > 0) {
        bytes.push(carry & 0xff)
        carry >>= 8
      }
    }

// deal with leading zeros
    for (var k = 0; string[k] === LEADER && k < string.length - 1; ++k) {
      bytes.push(0)
    }

return Buffer.from(bytes.reverse())
  }

function decode (string) {
    var buffer = decodeUnsafe(string)
    if (buffer) return buffer

throw new Error('Non-base' + BASE + ' character')
  }

return {
    encode: encode,
    decodeUnsafe: decodeUnsafe,
    decode: decode
  }
}

},{"safe-buffer":25}],2:[function(require,module,exports){
'use strict'

exports.byteLength = byteLength
exports.toByteArray = toByteArray
exports.fromByteArray = fromByteArray

var lookup = []
var revLookup = []
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array

var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
for (var i = 0, len = code.length; i < len; ++i) {
  lookup[i] = code[i]
  revLookup[code.charCodeAt(i)] = i
}

// Support decoding URL-safe base64 strings, as Node.js does.
// See: https://en.wikipedia.org/wiki/Base64#URL_applications
revLookup['-'.charCodeAt(0)] = 62
revLookup['_'.charCodeAt(0)] = 63

function getLens (b64) {
  var len = b64.length

if (len % 4 > 0) {
    throw new Error('Invalid string. Length must be a multiple of 4')
  }

// Trim off extra bytes after placeholder bytes are found
  // See: https://github.com/beatgammit/base64-js/issues/42
  var validLen = b64.indexOf('=')
  if (validLen === -1) validLen = len

var placeHoldersLen = validLen === len
    ? 0
    : 4 - (validLen % 4)

return [validLen, placeHoldersLen]
}

// base64 is 4/3 + up to two characters of the original data
function byteLength (b64) {
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function _byteLength (b64, validLen, placeHoldersLen) {
  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
}

function toByteArray (b64) {
  var tmp
  var lens = getLens(b64)
  var validLen = lens[0]
  var placeHoldersLen = lens[1]

var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))

var curByte = 0

// if there are placeholders, only get up to the last complete 4 chars
  var len = placeHoldersLen > 0
    ? validLen - 4
    : validLen

var i
  for (i = 0; i < len; i += 4) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 18) |
      (revLookup[b64.charCodeAt(i + 1)] << 12) |
      (revLookup[b64.charCodeAt(i + 2)] << 6) |
      revLookup[b64.charCodeAt(i + 3)]
    arr[curByte++] = (tmp >> 16) & 0xFF
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

if (placeHoldersLen === 2) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 2) |
      (revLookup[b64.charCodeAt(i + 1)] >> 4)
    arr[curByte++] = tmp & 0xFF
  }

if (placeHoldersLen === 1) {
    tmp =
      (revLookup[b64.charCodeAt(i)] << 10) |
      (revLookup[b64.charCodeAt(i + 1)] << 4) |
      (revLookup[b64.charCodeAt(i + 2)] >> 2)
    arr[curByte++] = (tmp >> 8) & 0xFF
    arr[curByte++] = tmp & 0xFF
  }

return arr
}

function tripletToBase64 (num) {
  return lookup[num >> 18 & 0x3F] +
    lookup[num >> 12 & 0x3F] +
    lookup[num >> 6 & 0x3F] +
    lookup[num & 0x3F]
}

function encodeChunk (uint8, start, end) {
  var tmp
  var output = []
  for (var i = start; i < end; i += 3) {
    tmp =
      ((uint8[i] << 16) & 0xFF0000) +
      ((uint8[i + 1] << 8) & 0xFF00) +
      (uint8[i + 2] & 0xFF)
    output.push(tripletToBase64(tmp))
  }
  return output.join('')
}

function fromByteArray (uint8) {
  var tmp
  var len = uint8.length
  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
  var parts = []
  var maxChunkLength = 16383 // must be multiple of 3

// go through the array every three bytes, we'll deal with trailing stuff later
  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
    parts.push(encodeChunk(
      uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)
    ))
  }

// pad the end with zeros, but make sure to not forget the extra bytes
  if (extraBytes === 1) {
    tmp = uint8[len - 1]
    parts.push(
      lookup[tmp >> 2] +
      lookup[(tmp << 4) & 0x3F] +
      '=='
    )
  } else if (extraBytes === 2) {
    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
    parts.push(
      lookup[tmp >> 10] +
      lookup[(tmp >> 4) & 0x3F] +
      lookup[(tmp << 2) & 0x3F] +
      '='
    )
  }

return parts.join('')
}

},{}],3:[function(require,module,exports){
var basex = require('base-x')
var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'

module.exports = basex(ALPHABET)

},{"base-x":1}],4:[function(require,module,exports){
(function (Buffer){
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */

'use strict'

var base64 = require('base64-js')
var ieee754 = require('ieee754')
var customInspectSymbol =
  (typeof Symbol === 'function' && typeof Symbol.for === 'function')
    ? Symbol.for('nodejs.util.inspect.custom')
    : null

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50

var K_MAX_LENGTH = 0x7fffffff
exports.kMaxLength = K_MAX_LENGTH

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Print warning and recommend using `buffer` v4.x which has an Object
 *               implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * We report that the browser does not support typed arrays if the are not subclassable
 * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
 * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
 * for __proto__ and has a buggy typed array implementation.
 */
Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()

if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
    typeof console.error === 'function') {
  console.error(
    'This browser lacks typed array (Uint8Array) support which is required by ' +
    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
  )
}

function typedArraySupport () {
  // Can typed array instances can be augmented?
  try {
    var arr = new Uint8Array(1)
    var proto = { foo: function () { return 42 } }
    Object.setPrototypeOf(proto, Uint8Array.prototype)
    Object.setPrototypeOf(arr, proto)
    return arr.foo() === 42
  } catch (e) {
    return false
  }
}

Object.defineProperty(Buffer.prototype, 'parent', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.buffer
  }
})

Object.defineProperty(Buffer.prototype, 'offset', {
  enumerable: true,
  get: function () {
    if (!Buffer.isBuffer(this)) return undefined
    return this.byteOffset
  }
})

function createBuffer (length) {
  if (length > K_MAX_LENGTH) {
    throw new RangeError('The value "' + length + '" is invalid for option "size"')
  }
  // Return an augmented `Uint8Array` instance
  var buf = new Uint8Array(length)
  Object.setPrototypeOf(buf, Buffer.prototype)
  return buf
}

/**
 * The Buffer constructor returns instances of `Uint8Array` that have their
 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
 * returns a single octet.
 *
 * The `Uint8Array` prototype remains unmodified.
 */

function Buffer (arg, encodingOrOffset, length) {
  // Common case.
  if (typeof arg === 'number') {
    if (typeof encodingOrOffset === 'string') {
      throw new TypeError(
        'The "string" argument must be of type string. Received type number'
      )
    }
    return allocUnsafe(arg)
  }
  return from(arg, encodingOrOffset, length)
}

// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
if (typeof Symbol !== 'undefined' && Symbol.species != null &&
    Buffer[Symbol.species] === Buffer) {
  Object.defineProperty(Buffer, Symbol.species, {
    value: null,
    configurable: true,
    enumerable: false,
    writable: false
  })
}

Buffer.poolSize = 8192 // not used by this implementation

function from (value, encodingOrOffset, length) {
  if (typeof value === 'string') {
    return fromString(value, encodingOrOffset)
  }

if (ArrayBuffer.isView(value)) {
    return fromArrayLike(value)
  }

if (value == null) {
    throw new TypeError(
      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
      'or Array-like Object. Received type ' + (typeof value)
    )
  }

if (isInstance(value, ArrayBuffer) ||
      (value && isInstance(value.buffer, ArrayBuffer))) {
    return fromArrayBuffer(value, encodingOrOffset, length)
  }

if (typeof value === 'number') {
    throw new TypeError(
      'The "value" argument must not be of type number. Received type number'
    )
  }

var valueOf = value.valueOf && value.valueOf()
  if (valueOf != null && valueOf !== value) {
    return Buffer.from(valueOf, encodingOrOffset, length)
  }

var b = fromObject(value)
  if (b) return b

if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
      typeof value[Symbol.toPrimitive] === 'function') {
    return Buffer.from(
      value[Symbol.toPrimitive]('string'), encodingOrOffset, length
    )
  }

throw new TypeError(
    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
    'or Array-like Object. Received type ' + (typeof value)
  )
}

/**
 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
 * if value is a number.
 * Buffer.from(str[, encoding])
 * Buffer.from(array)
 * Buffer.from(buffer)
 * Buffer.from(arrayBuffer[, byteOffset[, length]])
 **/
Buffer.from = function (value, encodingOrOffset, length) {
  return from(value, encodingOrOffset, length)
}

// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
// https://github.com/feross/buffer/pull/148
Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)
Object.setPrototypeOf(Buffer, Uint8Array)

function assertSize (size) {
  if (typeof size !== 'number') {
    throw new TypeError('"size" argument must be of type number')
  } else if (size < 0) {
    throw new RangeError('The value "' + size + '" is invalid for option "size"')
  }
}

function alloc (size, fill, encoding) {
  assertSize(size)
  if (size <= 0) {
    return createBuffer(size)
  }
  if (fill !== undefined) {
    // Only pay attention to encoding if it's a string. This
    // prevents accidentally sending in a number that would
    // be interpretted as a start offset.
    return typeof encoding === 'string'
      ? createBuffer(size).fill(fill, encoding)
      : createBuffer(size).fill(fill)
  }
  return createBuffer(size)
}

/**
 * Creates a new filled Buffer instance.
 * alloc(size[, fill[, encoding]])
 **/
Buffer.alloc = function (size, fill, encoding) {
  return alloc(size, fill, encoding)
}

function allocUnsafe (size) {
  assertSize(size)
  return createBuffer(size < 0 ? 0 : checked(size) | 0)
}

/**
 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
 * */
Buffer.allocUnsafe = function (size) {
  return allocUnsafe(size)
}
/**
 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
 */
Buffer.allocUnsafeSlow = function (size) {
  return allocUnsafe(size)
}

function fromString (string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') {
    encoding = 'utf8'
  }

if (!Buffer.isEncoding(encoding)) {
    throw new TypeError('Unknown encoding: ' + encoding)
  }

var length = byteLength(string, encoding) | 0
  var buf = createBuffer(length)

var actual = buf.write(string, encoding)

if (actual !== length) {
    // Writing a hex string, for example, that contains invalid characters will
    // cause everything after the first invalid character to be ignored. (e.g.
    // 'abxxcd' will be treated as 'ab')
    buf = buf.slice(0, actual)
  }

return buf
}

function fromArrayLike (array) {
  var length = array.length < 0 ? 0 : checked(array.length) | 0
  var buf = createBuffer(length)
  for (var i = 0; i < length; i += 1) {
    buf[i] = array[i] & 255
  }
  return buf
}

function fromArrayBuffer (array, byteOffset, length) {
  if (byteOffset < 0 || array.byteLength < byteOffset) {
    throw new RangeError('"offset" is outside of buffer bounds')
  }

if (array.byteLength < byteOffset + (length || 0)) {
    throw new RangeError('"length" is outside of buffer bounds')
  }

var buf
  if (byteOffset === undefined && length === undefined) {
    buf = new Uint8Array(array)
  } else if (length === undefined) {
    buf = new Uint8Array(array, byteOffset)
  } else {
    buf = new Uint8Array(array, byteOffset, length)
  }

// Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(buf, Buffer.prototype)

return buf
}

function fromObject (obj) {
  if (Buffer.isBuffer(obj)) {
    var len = checked(obj.length) | 0
    var buf = createBuffer(len)

if (buf.length === 0) {
      return buf
    }

obj.copy(buf, 0, 0, len)
    return buf
  }

if (obj.length !== undefined) {
    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
      return createBuffer(0)
    }
    return fromArrayLike(obj)
  }

if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
    return fromArrayLike(obj.data)
  }
}

function checked (length) {
  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= K_MAX_LENGTH) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (length) {
  if (+length != length) { // eslint-disable-line eqeqeq
    length = 0
  }
  return Buffer.alloc(+length)
}

Buffer.isBuffer = function isBuffer (b) {
  return b != null && b._isBuffer === true &&
    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
}

Buffer.compare = function compare (a, b) {
  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError(
      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
    )
  }

if (a === b) return 0

var x = a.length
  var y = b.length

for (var i = 0, len = Math.min(x, y); i < len; ++i) {
    if (a[i] !== b[i]) {
      x = a[i]
      y = b[i]
      break
    }
  }

if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'latin1':
    case 'binary':
    case 'base64':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!Array.isArray(list)) {
    throw new TypeError('"list" argument must be an Array of Buffers')
  }

if (list.length === 0) {
    return Buffer.alloc(0)
  }

var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; ++i) {
      length += list[i].length
    }
  }

var buffer = Buffer.allocUnsafe(length)
  var pos = 0
  for (i = 0; i < list.length; ++i) {
    var buf = list[i]
    if (isInstance(buf, Uint8Array)) {
      buf = Buffer.from(buf)
    }
    if (!Buffer.isBuffer(buf)) {
      throw new TypeError('"list" argument must be an Array of Buffers')
    }
    buf.copy(buffer, pos)
    pos += buf.length
  }
  return buffer
}

function byteLength (string, encoding) {
  if (Buffer.isBuffer(string)) {
    return string.length
  }
  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
    return string.byteLength
  }
  if (typeof string !== 'string') {
    throw new TypeError(
      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
      'Received type ' + typeof string
    )
  }

var len = string.length
  var mustMatch = (arguments.length > 2 && arguments[2] === true)
  if (!mustMatch && len === 0) return 0

// Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'latin1':
      case 'binary':
        return len
      case 'utf8':
      case 'utf-8':
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) {
          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
        }
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

function slowToString (encoding, start, end) {
  var loweredCase = false

// No need to verify that "this.length <= MAX_UINT32" since it's a read-only
  // property of a typed array.

// This behaves neither like String nor Uint8Array in that we set start/end
  // to their upper/lower bounds if the value passed is out of range.
  // undefined is handled specially as per ECMA-262 6th Edition,
  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
  if (start === undefined || start < 0) {
    start = 0
  }
  // Return early if start > this.length. Done here to prevent potential uint32
  // coercion fail below.
  if (start > this.length) {
    return ''
  }

if (end === undefined || end > this.length) {
    end = this.length
  }

if (end <= 0) {
    return ''
  }

// Force coersion to uint32. This will also coerce falsey/NaN values to 0.
  end >>>= 0
  start >>>= 0

if (end <= start) {
    return ''
  }

if (!encoding) encoding = 'utf8'

while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

case 'ascii':
        return asciiSlice(this, start, end)

case 'latin1':
      case 'binary':
        return latin1Slice(this, start, end)

case 'base64':
        return base64Slice(this, start, end)

case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
// reliably in a browserify context because there could be multiple different
// copies of the 'buffer' package in use. This method works even for Buffer
// instances that were created from another copy of the `buffer` package.
// See: https://github.com/feross/buffer/issues/154
Buffer.prototype._isBuffer = true

function swap (b, n, m) {
  var i = b[n]
  b[n] = b[m]
  b[m] = i
}

Buffer.prototype.swap16 = function swap16 () {
  var len = this.length
  if (len % 2 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 16-bits')
  }
  for (var i = 0; i < len; i += 2) {
    swap(this, i, i + 1)
  }
  return this
}

Buffer.prototype.swap32 = function swap32 () {
  var len = this.length
  if (len % 4 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 32-bits')
  }
  for (var i = 0; i < len; i += 4) {
    swap(this, i, i + 3)
    swap(this, i + 1, i + 2)
  }
  return this
}

Buffer.prototype.swap64 = function swap64 () {
  var len = this.length
  if (len % 8 !== 0) {
    throw new RangeError('Buffer size must be a multiple of 64-bits')
  }
  for (var i = 0; i < len; i += 8) {
    swap(this, i, i + 7)
    swap(this, i + 1, i + 6)
    swap(this, i + 2, i + 5)
    swap(this, i + 3, i + 4)
  }
  return this
}

Buffer.prototype.toString = function toString () {
  var length = this.length
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.toLocaleString = Buffer.prototype.toString

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
  if (this.length > max) str += ' ... '
  return '<Buffer ' + str + '>'
}
if (customInspectSymbol) {
  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect
}

Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
  if (isInstance(target, Uint8Array)) {
    target = Buffer.from(target, target.offset, target.byteLength)
  }
  if (!Buffer.isBuffer(target)) {
    throw new TypeError(
      'The "target" argument must be one of type Buffer or Uint8Array. ' +
      'Received type ' + (typeof target)
    )
  }

if (start === undefined) {
    start = 0
  }
  if (end === undefined) {
    end = target ? target.length : 0
  }
  if (thisStart === undefined) {
    thisStart = 0
  }
  if (thisEnd === undefined) {
    thisEnd = this.length
  }

if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
    throw new RangeError('out of range index')
  }

if (thisStart >= thisEnd && start >= end) {
    return 0
  }
  if (thisStart >= thisEnd) {
    return -1
  }
  if (start >= end) {
    return 1
  }

start >>>= 0
  end >>>= 0
  thisStart >>>= 0
  thisEnd >>>= 0

if (this === target) return 0

var x = thisEnd - thisStart
  var y = end - start
  var len = Math.min(x, y)

var thisCopy = this.slice(thisStart, thisEnd)
  var targetCopy = target.slice(start, end)

for (var i = 0; i < len; ++i) {
    if (thisCopy[i] !== targetCopy[i]) {
      x = thisCopy[i]
      y = targetCopy[i]
      break
    }
  }

if (x < y) return -1
  if (y < x) return 1
  return 0
}

// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
//
// Arguments:
// - buffer - a Buffer to search
// - val - a string, Buffer, or number
// - byteOffset - an index into `buffer`; will be clamped to an int32
// - encoding - an optional encoding, relevant is val is a string
// - dir - true for indexOf, false for lastIndexOf
function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
  // Empty buffer means no match
  if (buffer.length === 0) return -1

// Normalize byteOffset
  if (typeof byteOffset === 'string') {
    encoding = byteOffset
    byteOffset = 0
  } else if (byteOffset > 0x7fffffff) {
    byteOffset = 0x7fffffff
  } else if (byteOffset < -0x80000000) {
    byteOffset = -0x80000000
  }
  byteOffset = +byteOffset // Coerce to Number.
  if (numberIsNaN(byteOffset)) {
    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
    byteOffset = dir ? 0 : (buffer.length - 1)
  }

// Normalize byteOffset: negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
  if (byteOffset >= buffer.length) {
    if (dir) return -1
    else byteOffset = buffer.length - 1
  } else if (byteOffset < 0) {
    if (dir) byteOffset = 0
    else return -1
  }

// Normalize val
  if (typeof val === 'string') {
    val = Buffer.from(val, encoding)
  }

// Finally, search either indexOf (if dir is true) or lastIndexOf
  if (Buffer.isBuffer(val)) {
    // Special case: looking for empty string/buffer always fails
    if (val.length === 0) {
      return -1
    }
    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
  } else if (typeof val === 'number') {
    val = val & 0xFF // Search for a byte value [0-255]
    if (typeof Uint8Array.prototype.indexOf === 'function') {
      if (dir) {
        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
      } else {
        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
      }
    }
    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)
  }

throw new TypeError('val must be string, number or Buffer')
}

function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
  var indexSize = 1
  var arrLength = arr.length
  var valLength = val.length

if (encoding !== undefined) {
    encoding = String(encoding).toLowerCase()
    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
        encoding === 'utf16le' || encoding === 'utf-16le') {
      if (arr.length < 2 || val.length < 2) {
        return -1
      }
      indexSize = 2
      arrLength /= 2
      valLength /= 2
      byteOffset /= 2
    }
  }

function read (buf, i) {
    if (indexSize === 1) {
      return buf[i]
    } else {
      return buf.readUInt16BE(i * indexSize)
    }
  }

var i
  if (dir) {
    var foundIndex = -1
    for (i = byteOffset; i < arrLength; i++) {
      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
      } else {
        if (foundIndex !== -1) i -= i - foundIndex
        foundIndex = -1
      }
    }
  } else {
    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
    for (i = byteOffset; i >= 0; i--) {
      var found = true
      for (var j = 0; j < valLength; j++) {
        if (read(arr, i + j) !== read(val, j)) {
          found = false
          break
        }
      }
      if (found) return i
    }
  }

return -1
}

Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
  return this.indexOf(val, byteOffset, encoding) !== -1
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
}

Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

var strLen = string.length

if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; ++i) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (numberIsNaN(parsed)) return i
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function latin1Write (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset >>> 0
    if (isFinite(length)) {
      length = length >>> 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  } else {
    throw new Error(
      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
    )
  }

var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('Attempt to write outside buffer bounds')
  }

if (!encoding) encoding = 'utf8'

var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

case 'ascii':
        return asciiWrite(this, string, offset, length)

case 'latin1':
      case 'binary':
        return latin1Write(this, string, offset, length)

case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
        : (firstByte > 0xBF) ? 2
          : 1

if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

res.push(codePoint)
    i += bytesPerSequence
  }

return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

// Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function latin1Slice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

for (var i = start; i < end; ++i) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

var out = ''
  for (var i = start; i < end; ++i) {
    out += hexSliceLookupTable[buf[i]]
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

if (end < start) end = start

var newBuf = this.subarray(start, end)
  // Return an augmented `Uint8Array` instance
  Object.setPrototypeOf(newBuf, Buffer.prototype)

return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

if (val >= mul) val -= Math.pow(2, 8 * byteLength)

return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

if (val >= mul) val -= Math.pow(2, 8 * byteLength)

return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)

return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  offset = offset >>> 0
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  byteLength = byteLength >>> 0
  if (!noAssert) {
    var maxBytes = Math.pow(2, 8 * byteLength) - 1
    checkInt(this, value, offset, byteLength, maxBytes, 0)
  }

var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset + 3] = (value >>> 24)
  this[offset + 2] = (value >>> 16)
  this[offset + 1] = (value >>> 8)
  this[offset] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

var i = 0
  var mul = 1
  var sub = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    var limit = Math.pow(2, (8 * byteLength) - 1)

checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

var i = byteLength - 1
  var mul = 1
  var sub = 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
      sub = 1
    }
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  this[offset] = (value >>> 8)
  this[offset + 1] = (value & 0xff)
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  this[offset] = (value & 0xff)
  this[offset + 1] = (value >>> 8)
  this[offset + 2] = (value >>> 16)
  this[offset + 3] = (value >>> 24)
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  this[offset] = (value >>> 24)
  this[offset + 1] = (value >>> 16)
  this[offset + 2] = (value >>> 8)
  this[offset + 3] = (value & 0xff)
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (offset + ext > buf.length) throw new RangeError('Index out of range')
  if (offset < 0) throw new RangeError('Index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  value = +value
  offset = offset >>> 0
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

// Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

// Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

// Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

var len = end - start

if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
    // Use built-in when available, missing from IE11
    this.copyWithin(targetStart, start, end)
  } else if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (var i = len - 1; i >= 0; --i) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    Uint8Array.prototype.set.call(
      target,
      this.subarray(start, end),
      targetStart
    )
  }

return len
}

// Usage:
//    buffer.fill(number[, offset[, end]])
//    buffer.fill(buffer[, offset[, end]])
//    buffer.fill(string[, offset[, end]][, encoding])
Buffer.prototype.fill = function fill (val, start, end, encoding) {
  // Handle string cases:
  if (typeof val === 'string') {
    if (typeof start === 'string') {
      encoding = start
      start = 0
      end = this.length
    } else if (typeof end === 'string') {
      encoding = end
      end = this.length
    }
    if (encoding !== undefined && typeof encoding !== 'string') {
      throw new TypeError('encoding must be a string')
    }
    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
      throw new TypeError('Unknown encoding: ' + encoding)
    }
    if (val.length === 1) {
      var code = val.charCodeAt(0)
      if ((encoding === 'utf8' && code < 128) ||
          encoding === 'latin1') {
        // Fast path: If `val` fits into a single byte, use that numeric value.
        val = code
      }
    }
  } else if (typeof val === 'number') {
    val = val & 255
  } else if (typeof val === 'boolean') {
    val = Number(val)
  }

// Invalid ranges are not set to a default, so can range check early.
  if (start < 0 || this.length < start || this.length < end) {
    throw new RangeError('Out of range index')
  }

if (end <= start) {
    return this
  }

start = start >>> 0
  end = end === undefined ? this.length : end >>> 0

if (!val) val = 0

var i
  if (typeof val === 'number') {
    for (i = start; i < end; ++i) {
      this[i] = val
    }
  } else {
    var bytes = Buffer.isBuffer(val)
      ? val
      : Buffer.from(val, encoding)
    var len = bytes.length
    if (len === 0) {
      throw new TypeError('The value "' + val +
        '" is invalid for argument "value"')
    }
    for (i = 0; i < end - start; ++i) {
      this[i + start] = bytes[i % len]
    }
  }

return this
}

// HELPER FUNCTIONS
// ================

var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node takes equal signs as end of the Base64 encoding
  str = str.split('=')[0]
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = str.trim().replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

for (var i = 0; i < length; ++i) {
    codePoint = string.charCodeAt(i)

// is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

// valid lead
        leadSurrogate = codePoint

continue
      }

// 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

// valid surrogate pair
      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

leadSurrogate = null

// encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; ++i) {
    if ((units -= 2) < 0) break

c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; ++i) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
// the `instanceof` check but they should be treated as of that type.
// See: https://github.com/feross/buffer/issues/166
function isInstance (obj, type) {
  return obj instanceof type ||
    (obj != null && obj.constructor != null && obj.constructor.name != null &&
      obj.constructor.name === type.name)
}
function numberIsNaN (obj) {
  // For IE11 support
  return obj !== obj // eslint-disable-line no-self-compare
}

// Create lookup table for `toString('hex')`
// See: https://github.com/feross/buffer/issues/219
var hexSliceLookupTable = (function () {
  var alphabet = '0123456789abcdef'
  var table = new Array(256)
  for (var i = 0; i < 16; ++i) {
    var i16 = i * 16
    for (var j = 0; j < 16; ++j) {
      table[i16 + j] = alphabet[i] + alphabet[j]
    }
  }
  return table
})()

}).call(this,require("buffer").Buffer)
},{"base64-js":2,"buffer":4,"ieee754":8}],5:[function(require,module,exports){
(function (Buffer){
'use strict'

const mh = require('multihashes')

var CIDUtil = {
  /**
   * Test if the given input is a valid CID object.
   * Returns an error message if it is not.
   * Returns undefined if it is a valid CID.
   *
   * @param {any} other
   * @returns {string}
   */
  checkCIDComponents: function (other) {
    if (other == null) {
      return 'null values are not valid CIDs'
    }

if (!(other.version === 0 || other.version === 1)) {
      return 'Invalid version, must be a number equal to 1 or 0'
    }

if (typeof other.codec !== 'string') {
      return 'codec must be string'
    }

if (other.version === 0) {
      if (other.codec !== 'dag-pb') {
        return `codec must be 'dag-pb' for CIDv0`
      }
      if (other.multibaseName !== 'base58btc') {
        return `multibaseName must be 'base58btc' for CIDv0`
      }
    }

if (!Buffer.isBuffer(other.multihash)) {
      return 'multihash must be a Buffer'
    }

try {
      mh.validate(other.multihash)
    } catch (err) {
      let errorMsg = err.message
      if (!errorMsg) { // Just in case mh.validate() throws an error with empty error message
        errorMsg = 'Multihash validation failed'
      }
      return errorMsg
    }
  }
}

module.exports = CIDUtil

}).call(this,{"isBuffer":require("../../is-buffer/index.js")})
},{"../../is-buffer/index.js":9,"multihashes":24}],6:[function(require,module,exports){
(function (Buffer){
'use strict'

const mh = require('multihashes')
const multibase = require('multibase')
const multicodec = require('multicodec')
const codecs = require('multicodec/src/base-table')
const CIDUtil = require('./cid-util')
const withIs = require('class-is')

/**
 * @typedef {Object} SerializedCID
 * @param {string} codec
 * @param {number} version
 * @param {Buffer} multihash
 */

/**
 * Test if the given input is a CID.
 * @function isCID
 * @memberof CID
 * @static
 * @param {any} other
 * @returns {bool}
 */

/**
 * Class representing a CID `<mbase><version><mcodec><mhash>`
 * , as defined in [ipld/cid](https://github.com/multiformats/cid).
 * @class CID
 */
class CID {
  /**
   * Create a new CID.
   *
   * The algorithm for argument input is roughly:
   * ```
   * if (cid)
   *   -> create a copy
   * else if (str)
   *   if (1st char is on multibase table) -> CID String
   *   else -> bs58 encoded multihash
   * else if (Buffer)
   *   if (1st byte is 0 or 1) -> CID
   *   else -> multihash
   * else if (Number)
   *   -> construct CID by parts
   * ```
   *
   * @param {string|Buffer|CID} version
   * @param {string} [codec]
   * @param {Buffer} [multihash]
   * @param {string} [multibaseName]
   *
   * @example
   * new CID(<version>, <codec>, <multihash>, <multibaseName>)
   * new CID(<cidStr>)
   * new CID(<cid.buffer>)
   * new CID(<multihash>)
   * new CID(<bs58 encoded multihash>)
   * new CID(<cid>)
   */
  constructor (version, codec, multihash, multibaseName) {
    if (_CID.isCID(version)) {
      // version is an exising CID instance
      const cid = version
      this.version = cid.version
      this.codec = cid.codec
      this.multihash = Buffer.from(cid.multihash)
      // Default guard for when a CID < 0.7 is passed with no multibaseName
      this.multibaseName = cid.multibaseName || (cid.version === 0 ? 'base58btc' : 'base32')
      return
    }

if (typeof version === 'string') {
      // e.g. 'base32' or false
      const baseName = multibase.isEncoded(version)
      if (baseName) {
        // version is a CID String encoded with multibase, so v1
        const cid = multibase.decode(version)
        this.version = parseInt(cid.slice(0, 1).toString('hex'), 16)
        this.codec = multicodec.getCodec(cid.slice(1))
        this.multihash = multicodec.rmPrefix(cid.slice(1))
        this.multibaseName = baseName
      } else {
        // version is a base58btc string multihash, so v0
        this.version = 0
        this.codec = 'dag-pb'
        this.multihash = mh.fromB58String(version)
        this.multibaseName = 'base58btc'
      }
      CID.validateCID(this)
      Object.defineProperty(this, 'string', { value: version })
      return
    }

if (Buffer.isBuffer(version)) {
      const firstByte = version.slice(0, 1)
      const v = parseInt(firstByte.toString('hex'), 16)
      if (v === 1) {
        // version is a CID buffer
        const cid = version
        this.version = v
        this.codec = multicodec.getCodec(cid.slice(1))
        this.multihash = multicodec.rmPrefix(cid.slice(1))
        this.multibaseName = 'base32'
      } else {
        // version is a raw multihash buffer, so v0
        this.version = 0
        this.codec = 'dag-pb'
        this.multihash = version
        this.multibaseName = 'base58btc'
      }
      CID.validateCID(this)
      return
    }

// otherwise, assemble the CID from the parameters

/**
     * @type {number}
     */
    this.version = version

/**
     * @type {string}
     */
    this.codec = codec

/**
     * @type {Buffer}
     */
    this.multihash = multihash

/**
     * @type {string}
     */
    this.multibaseName = multibaseName || (version === 0 ? 'base58btc' : 'base32')

CID.validateCID(this)
  }

/**
   * The CID as a `Buffer`
   *
   * @return {Buffer}
   * @readonly
   *
   * @memberOf CID
   */
  get buffer () {
    let buffer = this._buffer

if (!buffer) {
      if (this.version === 0) {
        buffer = this.multihash
      } else if (this.version === 1) {
        buffer = Buffer.concat([
          Buffer.from('01', 'hex'),
          multicodec.getCodeVarint(this.codec),
          this.multihash
        ])
      } else {
        throw new Error('unsupported version')
      }

// Cache this buffer so it doesn't have to be recreated
      Object.defineProperty(this, '_buffer', { value: buffer })
    }

return buffer
  }

/**
   * Get the prefix of the CID.
   *
   * @returns {Buffer}
   * @readonly
   */
  get prefix () {
    return Buffer.concat([
      Buffer.from(`0${this.version}`, 'hex'),
      multicodec.getCodeVarint(this.codec),
      mh.prefix(this.multihash)
    ])
  }

/**
   * Convert to a CID of version `0`.
   *
   * @returns {CID}
   */
  toV0 () {
    if (this.codec !== 'dag-pb') {
      throw new Error('Cannot convert a non dag-pb CID to CIDv0')
    }

const { name, length } = mh.decode(this.multihash)

if (name !== 'sha2-256') {
      throw new Error('Cannot convert non sha2-256 multihash CID to CIDv0')
    }

if (length !== 32) {
      throw new Error('Cannot convert non 32 byte multihash CID to CIDv0')
    }

return new _CID(0, this.codec, this.multihash)
  }

/**
   * Convert to a CID of version `1`.
   *
   * @returns {CID}
   */
  toV1 () {
    return new _CID(1, this.codec, this.multihash)
  }

/**
   * Encode the CID into a string.
   *
   * @param {string} [base=this.multibaseName] - Base encoding to use.
   * @returns {string}
   */
  toBaseEncodedString (base = this.multibaseName) {
    if (this.string && base === this.multibaseName) {
      return this.string
    }
    let str = null
    if (this.version === 0) {
      if (base !== 'base58btc') {
        throw new Error('not supported with CIDv0, to support different bases, please migrate the instance do CIDv1, you can do that through cid.toV1()')
      }
      str = mh.toB58String(this.multihash)
    } else if (this.version === 1) {
      str = multibase.encode(base, this.buffer).toString()
    } else {
      throw new Error('unsupported version')
    }
    if (base === this.multibaseName) {
      // cache the string value
      Object.defineProperty(this, 'string', { value: str })
    }
    return str
  }

toString (base) {
    return this.toBaseEncodedString(base)
  }

/**
   * Serialize to a plain object.
   *
   * @returns {SerializedCID}
   */
  toJSON () {
    return {
      codec: this.codec,
      version: this.version,
      hash: this.multihash
    }
  }

/**
   * Compare equality with another CID.
   *
   * @param {CID} other
   * @returns {bool}
   */
  equals (other) {
    return this.codec === other.codec &&
      this.version === other.version &&
      this.multihash.equals(other.multihash)
  }

/**
   * Test if the given input is a valid CID object.
   * Throws if it is not.
   *
   * @param {any} other
   * @returns {void}
   */
  static validateCID (other) {
    let errorMsg = CIDUtil.checkCIDComponents(other)
    if (errorMsg) {
      throw new Error(errorMsg)
    }
  }
}

const _CID = withIs(CID, {
  className: 'CID',
  symbolName: '@ipld/js-cid/CID'
})

_CID.codecs = codecs

module.exports = _CID

}).call(this,require("buffer").Buffer)
},{"./cid-util":5,"buffer":4,"class-is":7,"multibase":15,"multicodec":18,"multicodec/src/base-table":16,"multihashes":24}],7:[function(require,module,exports){
'use strict';

function withIs(Class, { className, symbolName }) {
    const symbol = Symbol.for(symbolName);

const ClassIsWrapper = {
        // The code below assigns the class wrapper to an object to trick
        // JavaScript engines to show the name of the extended class when
        // logging an instances.
        // We are assigning an anonymous class (class wrapper) to the object
        // with key `className` to keep the correct name.
        // If this is not supported it falls back to logging `ClassIsWrapper`.
        [className]: class extends Class {
            constructor(...args) {
                super(...args);
                Object.defineProperty(this, symbol, { value: true });
            }

get [Symbol.toStringTag]() {
                return className;
            }
        },
    }[className];

ClassIsWrapper[`is${className}`] = (obj) => !!(obj && obj[symbol]);

return ClassIsWrapper;
}

function withIsProto(Class, { className, symbolName, withoutNew }) {
    const symbol = Symbol.for(symbolName);

/* eslint-disable object-shorthand */
    const ClassIsWrapper = {
        [className]: function (...args) {
            if (withoutNew && !(this instanceof ClassIsWrapper)) {
                return new ClassIsWrapper(...args);
            }

const _this = Class.call(this, ...args) || this;

if (_this && !_this[symbol]) {
                Object.defineProperty(_this, symbol, { value: true });
            }

return _this;
        },
    }[className];
    /* eslint-enable object-shorthand */

ClassIsWrapper.prototype = Object.create(Class.prototype);
    ClassIsWrapper.prototype.constructor = ClassIsWrapper;

Object.defineProperty(ClassIsWrapper.prototype, Symbol.toStringTag, {
        get() {
            return className;
        },
    });

ClassIsWrapper[`is${className}`] = (obj) => !!(obj && obj[symbol]);

return ClassIsWrapper;
}

module.exports = withIs;
module.exports.proto = withIsProto;

},{}],8:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

i += d

e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}

m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}

if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = (nBytes * 8) - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

value = Math.abs(value)

if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = ((value * c) - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

buffer[offset + i - d] |= s * 128
}

},{}],9:[function(require,module,exports){
/*!
 * Determine if an object is a Buffer
 *
 * @author   Feross Aboukhadijeh <https://feross.org>
 * @license  MIT
 */

// The _isBuffer check is for Safari 5-7 support, because it's missing
// Object.prototype.constructor. Remove this eventually
module.exports = function (obj) {
  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
}

function isBuffer (obj) {
  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
}

// For Node v0.10 support. Remove this eventually.
function isSlowBuffer (obj) {
  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
}

},{}],10:[function(require,module,exports){
'use strict'

class Base {
  constructor (name, code, implementation, alphabet) {
    this.name = name
    this.code = code
    this.alphabet = alphabet
    if (implementation && alphabet) {
      this.engine = implementation(alphabet)
    }
  }

encode (stringOrBuffer) {
    return this.engine.encode(stringOrBuffer)
  }

decode (stringOrBuffer) {
    return this.engine.decode(stringOrBuffer)
  }

isImplemented () {
    return this.engine
  }
}

module.exports = Base

},{}],11:[function(require,module,exports){
(function (Buffer){
'use strict'

module.exports = function base16 (alphabet) {
  return {
    encode (input) {
      if (typeof input === 'string') {
        return Buffer.from(input).toString('hex')
      }
      return input.toString('hex')
    },
    decode (input) {
      for (let char of input) {
        if (alphabet.indexOf(char) < 0) {
          throw new Error('invalid base16 character')
        }
      }
      return Buffer.from(input, 'hex')
    }
  }
}

}).call(this,require("buffer").Buffer)
},{"buffer":4}],12:[function(require,module,exports){
(function (Buffer){
'use strict'

function decode (input, alphabet) {
  input = input.replace(new RegExp('=', 'g'), '')
  let length = input.length

let bits = 0
  let value = 0

let index = 0
  let output = new Uint8Array((length * 5 / 8) | 0)

for (let i = 0; i < length; i++) {
    value = (value << 5) | alphabet.indexOf(input[i])
    bits += 5

if (bits >= 8) {
      output[index++] = (value >>> (bits - 8)) & 255
      bits -= 8
    }
  }

return output.buffer
}

function encode (buffer, alphabet) {
  let length = buffer.byteLength
  let view = new Uint8Array(buffer)
  let padding = alphabet.indexOf('=') === alphabet.length - 1

if (padding) {
    alphabet = alphabet.substring(0, alphabet.length - 2)
  }

let bits = 0
  let value = 0
  let output = ''

for (let i = 0; i < length; i++) {
    value = (value << 8) | view[i]
    bits += 8

while (bits >= 5) {
      output += alphabet[(value >>> (bits - 5)) & 31]
      bits -= 5
    }
  }

if (bits > 0) {
    output += alphabet[(value << (5 - bits)) & 31]
  }

if (padding) {
    while ((output.length % 8) !== 0) {
      output += '='
    }
  }

return output
}

module.exports = function base32 (alphabet) {
  return {
    encode (input) {
      if (typeof input === 'string') {
        return encode(Buffer.from(input), alphabet)
      }

return encode(input, alphabet)
    },
    decode (input) {
      for (let char of input) {
        if (alphabet.indexOf(char) < 0) {
          throw new Error('invalid base32 character')
        }
      }

return decode(input, alphabet)
    }
  }
}

}).call(this,require("buffer").Buffer)
},{"buffer":4}],13:[function(require,module,exports){
(function (Buffer){
'use strict'

module.exports = function base64 (alphabet) {
  // The alphabet is only used to know:
  //   1. If padding is enabled (must contain '=')
  //   2. If the output must be url-safe (must contain '-' and '_')
  //   3. If the input of the output function is valid
  // The alphabets from RFC 4648 are always used.
  const padding = alphabet.indexOf('=') > -1
  const url = alphabet.indexOf('-') > -1 && alphabet.indexOf('_') > -1

return {
    encode (input) {
      let output = ''

if (typeof input === 'string') {
        output = Buffer.from(input).toString('base64')
      } else {
        output = input.toString('base64')
      }

if (url) {
        output = output.replace(/\+/g, '-').replace(/\//g, '_')
      }

const pad = output.indexOf('=')
      if (pad > 0 && !padding) {
        output = output.substring(0, pad)
      }

return output
    },
    decode (input) {
      for (let char of input) {
        if (alphabet.indexOf(char) < 0) {
          throw new Error('invalid base64 character')
        }
      }

return Buffer.from(input, 'base64')
    }
  }
}

}).call(this,require("buffer").Buffer)
},{"buffer":4}],14:[function(require,module,exports){
'use strict'

const Base = require('./base.js')
const baseX = require('base-x')
const base16 = require('./base16')
const base32 = require('./base32')
const base64 = require('./base64')

// name, code, implementation, alphabet
const constants = [
  ['base1', '1', '', '1'],
  ['base2', '0', baseX, '01'],
  ['base8', '7', baseX, '01234567'],
  ['base10', '9', baseX, '0123456789'],
  ['base16', 'f', base16, '0123456789abcdef'],
  ['base32', 'b', base32, 'abcdefghijklmnopqrstuvwxyz234567'],
  ['base32pad', 'c', base32, 'abcdefghijklmnopqrstuvwxyz234567='],
  ['base32hex', 'v', base32, '0123456789abcdefghijklmnopqrstuv'],
  ['base32hexpad', 't', base32, '0123456789abcdefghijklmnopqrstuv='],
  ['base32z', 'h', base32, 'ybndrfg8ejkmcpqxot1uwisza345h769'],
  ['base58flickr', 'Z', baseX, '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'],
  ['base58btc', 'z', baseX, '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'],
  ['base64', 'm', base64, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'],
  ['base64pad', 'M', base64, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='],
  ['base64url', 'u', base64, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'],
  ['base64urlpad', 'U', base64, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=']
]

const names = constants.reduce((prev, tupple) => {
  prev[tupple[0]] = new Base(tupple[0], tupple[1], tupple[2], tupple[3])
  return prev
}, {})

const codes = constants.reduce((prev, tupple) => {
  prev[tupple[1]] = names[tupple[0]]
  return prev
}, {})

module.exports = {
  names: names,
  codes: codes
}

},{"./base.js":10,"./base16":11,"./base32":12,"./base64":13,"base-x":1}],15:[function(require,module,exports){
(function (Buffer){
/**
 * Implementation of the [multibase](https://github.com/multiformats/multibase) specification.
 * @module Multibase
 */
'use strict'

const constants = require('./constants')

exports = module.exports = multibase
exports.encode = encode
exports.decode = decode
exports.isEncoded = isEncoded
exports.names = Object.freeze(Object.keys(constants.names))
exports.codes = Object.freeze(Object.keys(constants.codes))

const errNotSupported = new Error('Unsupported encoding')

/**
 * Create a new buffer with the multibase varint+code.
 *
 * @param {string|number} nameOrCode - The multibase name or code number.
 * @param {Buffer} buf - The data to be prefixed with multibase.
 * @memberof Multibase
 * @returns {Buffer}
 */
function multibase (nameOrCode, buf) {
  if (!buf) {
    throw new Error('requires an encoded buffer')
  }
  const base = getBase(nameOrCode)
  const codeBuf = Buffer.from(base.code)

const name = base.name
  validEncode(name, buf)
  return Buffer.concat([codeBuf, buf])
}

/**
 * Encode data with the specified base and add the multibase prefix.
 *
 * @param {string|number} nameOrCode - The multibase name or code number.
 * @param {Buffer} buf - The data to be encoded.
 * @returns {Buffer}
 * @memberof Multibase
 */
function encode (nameOrCode, buf) {
  const base = getBase(nameOrCode)
  const name = base.name

return multibase(name, Buffer.from(base.encode(buf)))
}

/**
 * Takes a buffer or string encoded with multibase header, decodes it and
 * returns the decoded buffer
 *
 * @param {Buffer|string} bufOrString
 * @returns {Buffer}
 * @memberof Multibase
 *
 */
function decode (bufOrString) {
  if (Buffer.isBuffer(bufOrString)) {
    bufOrString = bufOrString.toString()
  }

const code = bufOrString.substring(0, 1)
  bufOrString = bufOrString.substring(1, bufOrString.length)

if (typeof bufOrString === 'string') {
    bufOrString = Buffer.from(bufOrString)
  }

const base = getBase(code)
  return Buffer.from(base.decode(bufOrString.toString()))
}

/**
 * Is the given data multibase encoded?
 *
 * @param {Buffer|string} bufOrString
 * @returns {boolean}
 * @memberof Multibase
 */
function isEncoded (bufOrString) {
  if (Buffer.isBuffer(bufOrString)) {
    bufOrString = bufOrString.toString()
  }

// Ensure bufOrString is a string
  if (Object.prototype.toString.call(bufOrString) !== '[object String]') {
    return false
  }

const code = bufOrString.substring(0, 1)
  try {
    const base = getBase(code)
    return base.name
  } catch (err) {
    return false
  }
}

/**
 * @param {string} name
 * @param {Buffer} buf
 * @private
 * @returns {undefined}
 */
function validEncode (name, buf) {
  const base = getBase(name)
  base.decode(buf.toString())
}

function getBase (nameOrCode) {
  let base

if (constants.names[nameOrCode]) {
    base = constants.names[nameOrCode]
  } else if (constants.codes[nameOrCode]) {
    base = constants.codes[nameOrCode]
  } else {
    throw errNotSupported
  }

if (!base.isImplemented()) {
    throw new Error('Base ' + nameOrCode + ' is not implemented yet')
  }

return base
}

}).call(this,require("buffer").Buffer)
},{"./constants":14,"buffer":4}],16:[function(require,module,exports){
(function (Buffer){
// THIS FILE IS GENERATED, DO NO EDIT MANUALLY
// For more information see the README.md
/* eslint-disable dot-notation */
'use strict'

// serialization
exports['protobuf'] = Buffer.from('50', 'hex')
exports['cbor'] = Buffer.from('51', 'hex')
exports['rlp'] = Buffer.from('60', 'hex')
exports['bencode'] = Buffer.from('63', 'hex')
exports['json'] = Buffer.from('0200', 'hex')
exports['messagepack'] = Buffer.from('0201', 'hex')

// multiformat
exports['multicodec'] = Buffer.from('30', 'hex')
exports['multihash'] = Buffer.from('31', 'hex')
exports['multiaddr'] = Buffer.from('32', 'hex')
exports['multibase'] = Buffer.from('33', 'hex')

// multihash
exports['identity'] = Buffer.from('00', 'hex')
exports['sha1'] = Buffer.from('11', 'hex')
exports['sha2-256'] = Buffer.from('12', 'hex')
exports['sha2-512'] = Buffer.from('13', 'hex')
exports['sha3-512'] = Buffer.from('14', 'hex')
exports['sha3-384'] = Buffer.from('15', 'hex')
exports['sha3-256'] = Buffer.from('16', 'hex')
exports['sha3-224'] = Buffer.from('17', 'hex')
exports['shake-128'] = Buffer.from('18', 'hex')
exports['shake-256'] = Buffer.from('19', 'hex')
exports['keccak-224'] = Buffer.from('1a', 'hex')
exports['keccak-256'] = Buffer.from('1b', 'hex')
exports['keccak-384'] = Buffer.from('1c', 'hex')
exports['keccak-512'] = Buffer.from('1d', 'hex')
exports['murmur3-128'] = Buffer.from('22', 'hex')
exports['murmur3-32'] = Buffer.from('23', 'hex')
exports['dbl-sha2-256'] = Buffer.from('56', 'hex')
exports['md4'] = Buffer.from('d4', 'hex')
exports['md5'] = Buffer.from('d5', 'hex')
exports['bmt'] = Buffer.from('d6', 'hex')
exports['x11'] = Buffer.from('1100', 'hex')
exports['blake2b-8'] = Buffer.from('b201', 'hex')
exports['blake2b-16'] = Buffer.from('b202', 'hex')
exports['blake2b-24'] = Buffer.from('b203', 'hex')
exports['blake2b-32'] = Buffer.from('b204', 'hex')
exports['blake2b-40'] = Buffer.from('b205', 'hex')
exports['blake2b-48'] = Buffer.from('b206', 'hex')
exports['blake2b-56'] = Buffer.from('b207', 'hex')
exports['blake2b-64'] = Buffer.from('b208', 'hex')
exports['blake2b-72'] = Buffer.from('b209', 'hex')
exports['blake2b-80'] = Buffer.from('b20a', 'hex')
exports['blake2b-88'] = Buffer.from('b20b', 'hex')
exports['blake2b-96'] = Buffer.from('b20c', 'hex')
exports['blake2b-104'] = Buffer.from('b20d', 'hex')
exports['blake2b-112'] = Buffer.from('b20e', 'hex')
exports['blake2b-120'] = Buffer.from('b20f', 'hex')
exports['blake2b-128'] = Buffer.from('b210', 'hex')
exports['blake2b-136'] = Buffer.from('b211', 'hex')
exports['blake2b-144'] = Buffer.from('b212', 'hex')
exports['blake2b-152'] = Buffer.from('b213', 'hex')
exports['blake2b-160'] = Buffer.from('b214', 'hex')
exports['blake2b-168'] = Buffer.from('b215', 'hex')
exports['blake2b-176'] = Buffer.from('b216', 'hex')
exports['blake2b-184'] = Buffer.from('b217', 'hex')
exports['blake2b-192'] = Buffer.from('b218', 'hex')
exports['blake2b-200'] = Buffer.from('b219', 'hex')
exports['blake2b-208'] = Buffer.from('b21a', 'hex')
exports['blake2b-216'] = Buffer.from('b21b', 'hex')
exports['blake2b-224'] = Buffer.from('b21c', 'hex')
exports['blake2b-232'] = Buffer.from('b21d', 'hex')
exports['blake2b-240'] = Buffer.from('b21e', 'hex')
exports['blake2b-248'] = Buffer.from('b21f', 'hex')
exports['blake2b-256'] = Buffer.from('b220', 'hex')
exports['blake2b-264'] = Buffer.from('b221', 'hex')
exports['blake2b-272'] = Buffer.from('b222', 'hex')
exports['blake2b-280'] = Buffer.from('b223', 'hex')
exports['blake2b-288'] = Buffer.from('b224', 'hex')
exports['blake2b-296'] = Buffer.from('b225', 'hex')
exports['blake2b-304'] = Buffer.from('b226', 'hex')
exports['blake2b-312'] = Buffer.from('b227', 'hex')
exports['blake2b-320'] = Buffer.from('b228', 'hex')
exports['blake2b-328'] = Buffer.from('b229', 'hex')
exports['blake2b-336'] = Buffer.from('b22a', 'hex')
exports['blake2b-344'] = Buffer.from('b22b', 'hex')
exports['blake2b-352'] = Buffer.from('b22c', 'hex')
exports['blake2b-360'] = Buffer.from('b22d', 'hex')
exports['blake2b-368'] = Buffer.from('b22e', 'hex')
exports['blake2b-376'] = Buffer.from('b22f', 'hex')
exports['blake2b-384'] = Buffer.from('b230', 'hex')
exports['blake2b-392'] = Buffer.from('b231', 'hex')
exports['blake2b-400'] = Buffer.from('b232', 'hex')
exports['blake2b-408'] = Buffer.from('b233', 'hex')
exports['blake2b-416'] = Buffer.from('b234', 'hex')
exports['blake2b-424'] = Buffer.from('b235', 'hex')
exports['blake2b-432'] = Buffer.from('b236', 'hex')
exports['blake2b-440'] = Buffer.from('b237', 'hex')
exports['blake2b-448'] = Buffer.from('b238', 'hex')
exports['blake2b-456'] = Buffer.from('b239', 'hex')
exports['blake2b-464'] = Buffer.from('b23a', 'hex')
exports['blake2b-472'] = Buffer.from('b23b', 'hex')
exports['blake2b-480'] = Buffer.from('b23c', 'hex')
exports['blake2b-488'] = Buffer.from('b23d', 'hex')
exports['blake2b-496'] = Buffer.from('b23e', 'hex')
exports['blake2b-504'] = Buffer.from('b23f', 'hex')
exports['blake2b-512'] = Buffer.from('b240', 'hex')
exports['blake2s-8'] = Buffer.from('b241', 'hex')
exports['blake2s-16'] = Buffer.from('b242', 'hex')
exports['blake2s-24'] = Buffer.from('b243', 'hex')
exports['blake2s-32'] = Buffer.from('b244', 'hex')
exports['blake2s-40'] = Buffer.from('b245', 'hex')
exports['blake2s-48'] = Buffer.from('b246', 'hex')
exports['blake2s-56'] = Buffer.from('b247', 'hex')
exports['blake2s-64'] = Buffer.from('b248', 'hex')
exports['blake2s-72'] = Buffer.from('b249', 'hex')
exports['blake2s-80'] = Buffer.from('b24a', 'hex')
exports['blake2s-88'] = Buffer.from('b24b', 'hex')
exports['blake2s-96'] = Buffer.from('b24c', 'hex')
exports['blake2s-104'] = Buffer.from('b24d', 'hex')
exports['blake2s-112'] = Buffer.from('b24e', 'hex')
exports['blake2s-120'] = Buffer.from('b24f', 'hex')
exports['blake2s-128'] = Buffer.from('b250', 'hex')
exports['blake2s-136'] = Buffer.from('b251', 'hex')
exports['blake2s-144'] = Buffer.from('b252', 'hex')
exports['blake2s-152'] = Buffer.from('b253', 'hex')
exports['blake2s-160'] = Buffer.from('b254', 'hex')
exports['blake2s-168'] = Buffer.from('b255', 'hex')
exports['blake2s-176'] = Buffer.from('b256', 'hex')
exports['blake2s-184'] = Buffer.from('b257', 'hex')
exports['blake2s-192'] = Buffer.from('b258', 'hex')
exports['blake2s-200'] = Buffer.from('b259', 'hex')
exports['blake2s-208'] = Buffer.from('b25a', 'hex')
exports['blake2s-216'] = Buffer.from('b25b', 'hex')
exports['blake2s-224'] = Buffer.from('b25c', 'hex')
exports['blake2s-232'] = Buffer.from('b25d', 'hex')
exports['blake2s-240'] = Buffer.from('b25e', 'hex')
exports['blake2s-248'] = Buffer.from('b25f', 'hex')
exports['blake2s-256'] = Buffer.from('b260', 'hex')
exports['skein256-8'] = Buffer.from('b301', 'hex')
exports['skein256-16'] = Buffer.from('b302', 'hex')
exports['skein256-24'] = Buffer.from('b303', 'hex')
exports['skein256-32'] = Buffer.from('b304', 'hex')
exports['skein256-40'] = Buffer.from('b305', 'hex')
exports['skein256-48'] = Buffer.from('b306', 'hex')
exports['skein256-56'] = Buffer.from('b307', 'hex')
exports['skein256-64'] = Buffer.from('b308', 'hex')
exports['skein256-72'] = Buffer.from('b309', 'hex')
exports['skein256-80'] = Buffer.from('b30a', 'hex')
exports['skein256-88'] = Buffer.from('b30b', 'hex')
exports['skein256-96'] = Buffer.from('b30c', 'hex')
exports['skein256-104'] = Buffer.from('b30d', 'hex')
exports['skein256-112'] = Buffer.from('b30e', 'hex')
exports['skein256-120'] = Buffer.from('b30f', 'hex')
exports['skein256-128'] = Buffer.from('b310', 'hex')
exports['skein256-136'] = Buffer.from('b311', 'hex')
exports['skein256-144'] = Buffer.from('b312', 'hex')
exports['skein256-152'] = Buffer.from('b313', 'hex')
exports['skein256-160'] = Buffer.from('b314', 'hex')
exports['skein256-168'] = Buffer.from('b315', 'hex')
exports['skein256-176'] = Buffer.from('b316', 'hex')
exports['skein256-184'] = Buffer.from('b317', 'hex')
exports['skein256-192'] = Buffer.from('b318', 'hex')
exports['skein256-200'] = Buffer.from('b319', 'hex')
exports['skein256-208'] = Buffer.from('b31a', 'hex')
exports['skein256-216'] = Buffer.from('b31b', 'hex')
exports['skein256-224'] = Buffer.from('b31c', 'hex')
exports['skein256-232'] = Buffer.from('b31d', 'hex')
exports['skein256-240'] = Buffer.from('b31e', 'hex')
exports['skein256-248'] = Buffer.from('b31f', 'hex')
exports['skein256-256'] = Buffer.from('b320', 'hex')
exports['skein512-8'] = Buffer.from('b321', 'hex')
exports['skein512-16'] = Buffer.from('b322', 'hex')
exports['skein512-24'] = Buffer.from('b323', 'hex')
exports['skein512-32'] = Buffer.from('b324', 'hex')
exports['skein512-40'] = Buffer.from('b325', 'hex')
exports['skein512-48'] = Buffer.from('b326', 'hex')
exports['skein512-56'] = Buffer.from('b327', 'hex')
exports['skein512-64'] = Buffer.from('b328', 'hex')
exports['skein512-72'] = Buffer.from('b329', 'hex')
exports['skein512-80'] = Buffer.from('b32a', 'hex')
exports['skein512-88'] = Buffer.from('b32b', 'hex')
exports['skein512-96'] = Buffer.from('b32c', 'hex')
exports['skein512-104'] = Buffer.from('b32d', 'hex')
exports['skein512-112'] = Buffer.from('b32e', 'hex')
exports['skein512-120'] = Buffer.from('b32f', 'hex')
exports['skein512-128'] = Buffer.from('b330', 'hex')
exports['skein512-136'] = Buffer.from('b331', 'hex')
exports['skein512-144'] = Buffer.from('b332', 'hex')
exports['skein512-152'] = Buffer.from('b333', 'hex')
exports['skein512-160'] = Buffer.from('b334', 'hex')
exports['skein512-168'] = Buffer.from('b335', 'hex')
exports['skein512-176'] = Buffer.from('b336', 'hex')
exports['skein512-184'] = Buffer.from('b337', 'hex')
exports['skein512-192'] = Buffer.from('b338', 'hex')
exports['skein512-200'] = Buffer.from('b339', 'hex')
exports['skein512-208'] = Buffer.from('b33a', 'hex')
exports['skein512-216'] = Buffer.from('b33b', 'hex')
exports['skein512-224'] = Buffer.from('b33c', 'hex')
exports['skein512-232'] = Buffer.from('b33d', 'hex')
exports['skein512-240'] = Buffer.from('b33e', 'hex')
exports['skein512-248'] = Buffer.from('b33f', 'hex')
exports['skein512-256'] = Buffer.from('b340', 'hex')
exports['skein512-264'] = Buffer.from('b341', 'hex')
exports['skein512-272'] = Buffer.from('b342', 'hex')
exports['skein512-280'] = Buffer.from('b343', 'hex')
exports['skein512-288'] = Buffer.from('b344', 'hex')
exports['skein512-296'] = Buffer.from('b345', 'hex')
exports['skein512-304'] = Buffer.from('b346', 'hex')
exports['skein512-312'] = Buffer.from('b347', 'hex')
exports['skein512-320'] = Buffer.from('b348', 'hex')
exports['skein512-328'] = Buffer.from('b349', 'hex')
exports['skein512-336'] = Buffer.from('b34a', 'hex')
exports['skein512-344'] = Buffer.from('b34b', 'hex')
exports['skein512-352'] = Buffer.from('b34c', 'hex')
exports['skein512-360'] = Buffer.from('b34d', 'hex')
exports['skein512-368'] = Buffer.from('b34e', 'hex')
exports['skein512-376'] = Buffer.from('b34f', 'hex')
exports['skein512-384'] = Buffer.from('b350', 'hex')
exports['skein512-392'] = Buffer.from('b351', 'hex')
exports['skein512-400'] = Buffer.from('b352', 'hex')
exports['skein512-408'] = Buffer.from('b353', 'hex')
exports['skein512-416'] = Buffer.from('b354', 'hex')
exports['skein512-424'] = Buffer.from('b355', 'hex')
exports['skein512-432'] = Buffer.from('b356', 'hex')
exports['skein512-440'] = Buffer.from('b357', 'hex')
exports['skein512-448'] = Buffer.from('b358', 'hex')
exports['skein512-456'] = Buffer.from('b359', 'hex')
exports['skein512-464'] = Buffer.from('b35a', 'hex')
exports['skein512-472'] = Buffer.from('b35b', 'hex')
exports['skein512-480'] = Buffer.from('b35c', 'hex')
exports['skein512-488'] = Buffer.from('b35d', 'hex')
exports['skein512-496'] = Buffer.from('b35e', 'hex')
exports['skein512-504'] = Buffer.from('b35f', 'hex')
exports['skein512-512'] = Buffer.from('b360', 'hex')
exports['skein1024-8'] = Buffer.from('b361', 'hex')
exports['skein1024-16'] = Buffer.from('b362', 'hex')
exports['skein1024-24'] = Buffer.from('b363', 'hex')
exports['skein1024-32'] = Buffer.from('b364', 'hex')
exports['skein1024-40'] = Buffer.from('b365', 'hex')
exports['skein1024-48'] = Buffer.from('b366', 'hex')
exports['skein1024-56'] = Buffer.from('b367', 'hex')
exports['skein1024-64'] = Buffer.from('b368', 'hex')
exports['skein1024-72'] = Buffer.from('b369', 'hex')
exports['skein1024-80'] = Buffer.from('b36a', 'hex')
exports['skein1024-88'] = Buffer.from('b36b', 'hex')
exports['skein1024-96'] = Buffer.from('b36c', 'hex')
exports['skein1024-104'] = Buffer.from('b36d', 'hex')
exports['skein1024-112'] = Buffer.from('b36e', 'hex')
exports['skein1024-120'] = Buffer.from('b36f', 'hex')
exports['skein1024-128'] = Buffer.from('b370', 'hex')
exports['skein1024-136'] = Buffer.from('b371', 'hex')
exports['skein1024-144'] = Buffer.from('b372', 'hex')
exports['skein1024-152'] = Buffer.from('b373', 'hex')
exports['skein1024-160'] = Buffer.from('b374', 'hex')
exports['skein1024-168'] = Buffer.from('b375', 'hex')
exports['skein1024-176'] = Buffer.from('b376', 'hex')
exports['skein1024-184'] = Buffer.from('b377', 'hex')
exports['skein1024-192'] = Buffer.from('b378', 'hex')
exports['skein1024-200'] = Buffer.from('b379', 'hex')
exports['skein1024-208'] = Buffer.from('b37a', 'hex')
exports['skein1024-216'] = Buffer.from('b37b', 'hex')
exports['skein1024-224'] = Buffer.from('b37c', 'hex')
exports['skein1024-232'] = Buffer.from('b37d', 'hex')
exports['skein1024-240'] = Buffer.from('b37e', 'hex')
exports['skein1024-248'] = Buffer.from('b37f', 'hex')
exports['skein1024-256'] = Buffer.from('b380', 'hex')
exports['skein1024-264'] = Buffer.from('b381', 'hex')
exports['skein1024-272'] = Buffer.from('b382', 'hex')
exports['skein1024-280'] = Buffer.from('b383', 'hex')
exports['skein1024-288'] = Buffer.from('b384', 'hex')
exports['skein1024-296'] = Buffer.from('b385', 'hex')
exports['skein1024-304'] = Buffer.from('b386', 'hex')
exports['skein1024-312'] = Buffer.from('b387', 'hex')
exports['skein1024-320'] = Buffer.from('b388', 'hex')
exports['skein1024-328'] = Buffer.from('b389', 'hex')
exports['skein1024-336'] = Buffer.from('b38a', 'hex')
exports['skein1024-344'] = Buffer.from('b38b', 'hex')
exports['skein1024-352'] = Buffer.from('b38c', 'hex')
exports['skein1024-360'] = Buffer.from('b38d', 'hex')
exports['skein1024-368'] = Buffer.from('b38e', 'hex')
exports['skein1024-376'] = Buffer.from('b38f', 'hex')
exports['skein1024-384'] = Buffer.from('b390', 'hex')
exports['skein1024-392'] = Buffer.from('b391', 'hex')
exports['skein1024-400'] = Buffer.from('b392', 'hex')
exports['skein1024-408'] = Buffer.from('b393', 'hex')
exports['skein1024-416'] = Buffer.from('b394', 'hex')
exports['skein1024-424'] = Buffer.from('b395', 'hex')
exports['skein1024-432'] = Buffer.from('b396', 'hex')
exports['skein1024-440'] = Buffer.from('b397', 'hex')
exports['skein1024-448'] = Buffer.from('b398', 'hex')
exports['skein1024-456'] = Buffer.from('b399', 'hex')
exports['skein1024-464'] = Buffer.from('b39a', 'hex')
exports['skein1024-472'] = Buffer.from('b39b', 'hex')
exports['skein1024-480'] = Buffer.from('b39c', 'hex')
exports['skein1024-488'] = Buffer.from('b39d', 'hex')
exports['skein1024-496'] = Buffer.from('b39e', 'hex')
exports['skein1024-504'] = Buffer.from('b39f', 'hex')
exports['skein1024-512'] = Buffer.from('b3a0', 'hex')
exports['skein1024-520'] = Buffer.from('b3a1', 'hex')
exports['skein1024-528'] = Buffer.from('b3a2', 'hex')
exports['skein1024-536'] = Buffer.from('b3a3', 'hex')
exports['skein1024-544'] = Buffer.from('b3a4', 'hex')
exports['skein1024-552'] = Buffer.from('b3a5', 'hex')
exports['skein1024-560'] = Buffer.from('b3a6', 'hex')
exports['skein1024-568'] = Buffer.from('b3a7', 'hex')
exports['skein1024-576'] = Buffer.from('b3a8', 'hex')
exports['skein1024-584'] = Buffer.from('b3a9', 'hex')
exports['skein1024-592'] = Buffer.from('b3aa', 'hex')
exports['skein1024-600'] = Buffer.from('b3ab', 'hex')
exports['skein1024-608'] = Buffer.from('b3ac', 'hex')
exports['skein1024-616'] = Buffer.from('b3ad', 'hex')
exports['skein1024-624'] = Buffer.from('b3ae', 'hex')
exports['skein1024-632'] = Buffer.from('b3af', 'hex')
exports['skein1024-640'] = Buffer.from('b3b0', 'hex')
exports['skein1024-648'] = Buffer.from('b3b1', 'hex')
exports['skein1024-656'] = Buffer.from('b3b2', 'hex')
exports['skein1024-664'] = Buffer.from('b3b3', 'hex')
exports['skein1024-672'] = Buffer.from('b3b4', 'hex')
exports['skein1024-680'] = Buffer.from('b3b5', 'hex')
exports['skein1024-688'] = Buffer.from('b3b6', 'hex')
exports['skein1024-696'] = Buffer.from('b3b7', 'hex')
exports['skein1024-704'] = Buffer.from('b3b8', 'hex')
exports['skein1024-712'] = Buffer.from('b3b9', 'hex')
exports['skein1024-720'] = Buffer.from('b3ba', 'hex')
exports['skein1024-728'] = Buffer.from('b3bb', 'hex')
exports['skein1024-736'] = Buffer.from('b3bc', 'hex')
exports['skein1024-744'] = Buffer.from('b3bd', 'hex')
exports['skein1024-752'] = Buffer.from('b3be', 'hex')
exports['skein1024-760'] = Buffer.from('b3bf', 'hex')
exports['skein1024-768'] = Buffer.from('b3c0', 'hex')
exports['skein1024-776'] = Buffer.from('b3c1', 'hex')
exports['skein1024-784'] = Buffer.from('b3c2', 'hex')
exports['skein1024-792'] = Buffer.from('b3c3', 'hex')
exports['skein1024-800'] = Buffer.from('b3c4', 'hex')
exports['skein1024-808'] = Buffer.from('b3c5', 'hex')
exports['skein1024-816'] = Buffer.from('b3c6', 'hex')
exports['skein1024-824'] = Buffer.from('b3c7', 'hex')
exports['skein1024-832'] = Buffer.from('b3c8', 'hex')
exports['skein1024-840'] = Buffer.from('b3c9', 'hex')
exports['skein1024-848'] = Buffer.from('b3ca', 'hex')
exports['skein1024-856'] = Buffer.from('b3cb', 'hex')
exports['skein1024-864'] = Buffer.from('b3cc', 'hex')
exports['skein1024-872'] = Buffer.from('b3cd', 'hex')
exports['skein1024-880'] = Buffer.from('b3ce', 'hex')
exports['skein1024-888'] = Buffer.from('b3cf', 'hex')
exports['skein1024-896'] = Buffer.from('b3d0', 'hex')
exports['skein1024-904'] = Buffer.from('b3d1', 'hex')
exports['skein1024-912'] = Buffer.from('b3d2', 'hex')
exports['skein1024-920'] = Buffer.from('b3d3', 'hex')
exports['skein1024-928'] = Buffer.from('b3d4', 'hex')
exports['skein1024-936'] = Buffer.from('b3d5', 'hex')
exports['skein1024-944'] = Buffer.from('b3d6', 'hex')
exports['skein1024-952'] = Buffer.from('b3d7', 'hex')
exports['skein1024-960'] = Buffer.from('b3d8', 'hex')
exports['skein1024-968'] = Buffer.from('b3d9', 'hex')
exports['skein1024-976'] = Buffer.from('b3da', 'hex')
exports['skein1024-984'] = Buffer.from('b3db', 'hex')
exports['skein1024-992'] = Buffer.from('b3dc', 'hex')
exports['skein1024-1000'] = Buffer.from('b3dd', 'hex')
exports['skein1024-1008'] = Buffer.from('b3de', 'hex')
exports['skein1024-1016'] = Buffer.from('b3df', 'hex')
exports['skein1024-1024'] = Buffer.from('b3e0', 'hex')

// multiaddr
exports['ip4'] = Buffer.from('04', 'hex')
exports['tcp'] = Buffer.from('06', 'hex')
exports['dccp'] = Buffer.from('21', 'hex')
exports['ip6'] = Buffer.from('29', 'hex')
exports['ip6zone'] = Buffer.from('2a', 'hex')
exports['dns'] = Buffer.from('35', 'hex')
exports['dns4'] = Buffer.from('36', 'hex')
exports['dns6'] = Buffer.from('37', 'hex')
exports['dnsaddr'] = Buffer.from('38', 'hex')
exports['sctp'] = Buffer.from('84', 'hex')
exports['udp'] = Buffer.from('0111', 'hex')
exports['p2p-webrtc-star'] = Buffer.from('0113', 'hex')
exports['p2p-webrtc-direct'] = Buffer.from('0114', 'hex')
exports['p2p-stardust'] = Buffer.from('0115', 'hex')
exports['p2p-circuit'] = Buffer.from('0122', 'hex')
exports['udt'] = Buffer.from('012d', 'hex')
exports['utp'] = Buffer.from('012e', 'hex')
exports['unix'] = Buffer.from('0190', 'hex')
exports['p2p'] = Buffer.from('01a5', 'hex')
exports['ipfs'] = Buffer.from('01a5', 'hex')
exports['https'] = Buffer.from('01bb', 'hex')
exports['onion'] = Buffer.from('01bc', 'hex')
exports['onion3'] = Buffer.from('01bd', 'hex')
exports['garlic64'] = Buffer.from('01be', 'hex')
exports['garlic32'] = Buffer.from('01bf', 'hex')
exports['quic'] = Buffer.from('01cc', 'hex')
exports['ws'] = Buffer.from('01dd', 'hex')
exports['wss'] = Buffer.from('01de', 'hex')
exports['p2p-websocket-star'] = Buffer.from('01df', 'hex')
exports['http'] = Buffer.from('01e0', 'hex')

// ipld
exports['raw'] = Buffer.from('55', 'hex')
exports['dag-pb'] = Buffer.from('70', 'hex')
exports['dag-cbor'] = Buffer.from('71', 'hex')
exports['libp2p-key'] = Buffer.from('72', 'hex')
exports['git-raw'] = Buffer.from('78', 'hex')
exports['torrent-info'] = Buffer.from('7b', 'hex')
exports['torrent-file'] = Buffer.from('7c', 'hex')
exports['leofcoin-block'] = Buffer.from('81', 'hex')
exports['leofcoin-tx'] = Buffer.from('82', 'hex')
exports['leofcoin-pr'] = Buffer.from('83', 'hex')
exports['eth-block'] = Buffer.from('90', 'hex')
exports['eth-block-list'] = Buffer.from('91', 'hex')
exports['eth-tx-trie'] = Buffer.from('92', 'hex')
exports['eth-tx'] = Buffer.from('93', 'hex')
exports['eth-tx-receipt-trie'] = Buffer.from('94', 'hex')
exports['eth-tx-receipt'] = Buffer.from('95', 'hex')
exports['eth-state-trie'] = Buffer.from('96', 'hex')
exports['eth-account-snapshot'] = Buffer.from('97', 'hex')
exports['eth-storage-trie'] = Buffer.from('98', 'hex')
exports['bitcoin-block'] = Buffer.from('b0', 'hex')
exports['bitcoin-tx'] = Buffer.from('b1', 'hex')
exports['zcash-block'] = Buffer.from('c0', 'hex')
exports['zcash-tx'] = Buffer.from('c1', 'hex')
exports['stellar-block'] = Buffer.from('d0', 'hex')
exports['stellar-tx'] = Buffer.from('d1', 'hex')
exports['decred-block'] = Buffer.from('e0', 'hex')
exports['decred-tx'] = Buffer.from('e1', 'hex')
exports['dash-block'] = Buffer.from('f0', 'hex')
exports['dash-tx'] = Buffer.from('f1', 'hex')
exports['swarm-manifest'] = Buffer.from('fa', 'hex')
exports['swarm-feed'] = Buffer.from('fb', 'hex')
exports['dag-json'] = Buffer.from('0129', 'hex')

// namespace
exports['path'] = Buffer.from('2f', 'hex')
exports['ipld-ns'] = Buffer.from('e2', 'hex')
exports['ipfs-ns'] = Buffer.from('e3', 'hex')
exports['swarm-ns'] = Buffer.from('e4', 'hex')
exports['ipns-ns'] = Buffer.from('e5', 'hex')
exports['zeronet'] = Buffer.from('e6', 'hex')

// key
exports['ed25519-pub'] = Buffer.from('ed', 'hex')

// holochain
exports['holochain-adr-v0'] = Buffer.from('807124', 'hex')
exports['holochain-adr-v1'] = Buffer.from('817124', 'hex')
exports['holochain-key-v0'] = Buffer.from('947124', 'hex')
exports['holochain-key-v1'] = Buffer.from('957124', 'hex')
exports['holochain-sig-v0'] = Buffer.from('a27124', 'hex')
exports['holochain-sig-v1'] = Buffer.from('a37124', 'hex')

}).call(this,require("buffer").Buffer)
},{"buffer":4}],17:[function(require,module,exports){
// THIS FILE IS GENERATED, DO NO EDIT MANUALLY
// For more information see the README.md
/* eslint-disable dot-notation */
'use strict'
module.exports = Object.freeze({

// serialization
  PROTOBUF: 0x50,
  CBOR: 0x51,
  RLP: 0x60,
  BENCODE: 0x63,
  JSON: 0x0200,
  MESSAGEPACK: 0x0201,

// multiformat
  MULTICODEC: 0x30,
  MULTIHASH: 0x31,
  MULTIADDR: 0x32,
  MULTIBASE: 0x33,

// multihash
  IDENTITY: 0x00,
  SHA1: 0x11,
  SHA2_256: 0x12,
  SHA2_512: 0x13,
  SHA3_512: 0x14,
  SHA3_384: 0x15,
  SHA3_256: 0x16,
  SHA3_224: 0x17,
  SHAKE_128: 0x18,
  SHAKE_256: 0x19,
  KECCAK_224: 0x1a,
  KECCAK_256: 0x1b,
  KECCAK_384: 0x1c,
  KECCAK_512: 0x1d,
  MURMUR3_128: 0x22,
  MURMUR3_32: 0x23,
  DBL_SHA2_256: 0x56,
  MD4: 0xd4,
  MD5: 0xd5,
  BMT: 0xd6,
  X11: 0x1100,
  BLAKE2B_8: 0xb201,
  BLAKE2B_16: 0xb202,
  BLAKE2B_24: 0xb203,
  BLAKE2B_32: 0xb204,
  BLAKE2B_40: 0xb205,
  BLAKE2B_48: 0xb206,
  BLAKE2B_56: 0xb207,
  BLAKE2B_64: 0xb208,
  BLAKE2B_72: 0xb209,
  BLAKE2B_80: 0xb20a,
  BLAKE2B_88: 0xb20b,
  BLAKE2B_96: 0xb20c,
  BLAKE2B_104: 0xb20d,
  BLAKE2B_112: 0xb20e,
  BLAKE2B_120: 0xb20f,
  BLAKE2B_128: 0xb210,
  BLAKE2B_136: 0xb211,
  BLAKE2B_144: 0xb212,
  BLAKE2B_152: 0xb213,
  BLAKE2B_160: 0xb214,
  BLAKE2B_168: 0xb215,
  BLAKE2B_176: 0xb216,
  BLAKE2B_184: 0xb217,
  BLAKE2B_192: 0xb218,
  BLAKE2B_200: 0xb219,
  BLAKE2B_208: 0xb21a,
  BLAKE2B_216: 0xb21b,
  BLAKE2B_224: 0xb21c,
  BLAKE2B_232: 0xb21d,
  BLAKE2B_240: 0xb21e,
  BLAKE2B_248: 0xb21f,
  BLAKE2B_256: 0xb220,
  BLAKE2B_264: 0xb221,
  BLAKE2B_272: 0xb222,
  BLAKE2B_280: 0xb223,
  BLAKE2B_288: 0xb224,
  BLAKE2B_296: 0xb225,
  BLAKE2B_304: 0xb226,
  BLAKE2B_312: 0xb227,
  BLAKE2B_320: 0xb228,
  BLAKE2B_328: 0xb229,
  BLAKE2B_336: 0xb22a,
  BLAKE2B_344: 0xb22b,
  BLAKE2B_352: 0xb22c,
  BLAKE2B_360: 0xb22d,
  BLAKE2B_368: 0xb22e,
  BLAKE2B_376: 0xb22f,
  BLAKE2B_384: 0xb230,
  BLAKE2B_392: 0xb231,
  BLAKE2B_400: 0xb232,
  BLAKE2B_408: 0xb233,
  BLAKE2B_416: 0xb234,
  BLAKE2B_424: 0xb235,
  BLAKE2B_432: 0xb236,
  BLAKE2B_440: 0xb237,
  BLAKE2B_448: 0xb238,
  BLAKE2B_456: 0xb239,
  BLAKE2B_464: 0xb23a,
  BLAKE2B_472: 0xb23b,
  BLAKE2B_480: 0xb23c,
  BLAKE2B_488: 0xb23d,
  BLAKE2B_496: 0xb23e,
  BLAKE2B_504: 0xb23f,
  BLAKE2B_512: 0xb240,
  BLAKE2S_8: 0xb241,
  BLAKE2S_16: 0xb242,
  BLAKE2S_24: 0xb243,
  BLAKE2S_32: 0xb244,
  BLAKE2S_40: 0xb245,
  BLAKE2S_48: 0xb246,
  BLAKE2S_56: 0xb247,
  BLAKE2S_64: 0xb248,
  BLAKE2S_72: 0xb249,
  BLAKE2S_80: 0xb24a,
  BLAKE2S_88: 0xb24b,
  BLAKE2S_96: 0xb24c,
  BLAKE2S_104: 0xb24d,
  BLAKE2S_112: 0xb24e,
  BLAKE2S_120: 0xb24f,
  BLAKE2S_128: 0xb250,
  BLAKE2S_136: 0xb251,
  BLAKE2S_144: 0xb252,
  BLAKE2S_152: 0xb253,
  BLAKE2S_160: 0xb254,
  BLAKE2S_168: 0xb255,
  BLAKE2S_176: 0xb256,
  BLAKE2S_184: 0xb257,
  BLAKE2S_192: 0xb258,
  BLAKE2S_200: 0xb259,
  BLAKE2S_208: 0xb25a,
  BLAKE2S_216: 0xb25b,
  BLAKE2S_224: 0xb25c,
  BLAKE2S_232: 0xb25d,
  BLAKE2S_240: 0xb25e,
  BLAKE2S_248: 0xb25f,
  BLAKE2S_256: 0xb260,
  SKEIN256_8: 0xb301,
  SKEIN256_16: 0xb302,
  SKEIN256_24: 0xb303,
  SKEIN256_32: 0xb304,
  SKEIN256_40: 0xb305,
  SKEIN256_48: 0xb306,
  SKEIN256_56: 0xb307,
  SKEIN256_64: 0xb308,
  SKEIN256_72: 0xb309,
  SKEIN256_80: 0xb30a,
  SKEIN256_88: 0xb30b,
  SKEIN256_96: 0xb30c,
  SKEIN256_104: 0xb30d,
  SKEIN256_112: 0xb30e,
  SKEIN256_120: 0xb30f,
  SKEIN256_128: 0xb310,
  SKEIN256_136: 0xb311,
  SKEIN256_144: 0xb312,
  SKEIN256_152: 0xb313,
  SKEIN256_160: 0xb314,
  SKEIN256_168: 0xb315,
  SKEIN256_176: 0xb316,
  SKEIN256_184: 0xb317,
  SKEIN256_192: 0xb318,
  SKEIN256_200: 0xb319,
  SKEIN256_208: 0xb31a,
  SKEIN256_216: 0xb31b,
  SKEIN256_224: 0xb31c,
  SKEIN256_232: 0xb31d,
  SKEIN256_240: 0xb31e,
  SKEIN256_248: 0xb31f,
  SKEIN256_256: 0xb320,
  SKEIN512_8: 0xb321,
  SKEIN512_16: 0xb322,
  SKEIN512_24: 0xb323,
  SKEIN512_32: 0xb324,
  SKEIN512_40: 0xb325,
  SKEIN512_48: 0xb326,
  SKEIN512_56: 0xb327,
  SKEIN512_64: 0xb328,
  SKEIN512_72: 0xb329,
  SKEIN512_80: 0xb32a,
  SKEIN512_88: 0xb32b,
  SKEIN512_96: 0xb32c,
  SKEIN512_104: 0xb32d,
  SKEIN512_112: 0xb32e,
  SKEIN512_120: 0xb32f,
  SKEIN512_128: 0xb330,
  SKEIN512_136: 0xb331,
  SKEIN512_144: 0xb332,
  SKEIN512_152: 0xb333,
  SKEIN512_160: 0xb334,
  SKEIN512_168: 0xb335,
  SKEIN512_176: 0xb336,
  SKEIN512_184: 0xb337,
  SKEIN512_192: 0xb338,
  SKEIN512_200: 0xb339,
  SKEIN512_208: 0xb33a,
  SKEIN512_216: 0xb33b,
  SKEIN512_224: 0xb33c,
  SKEIN512_232: 0xb33d,
  SKEIN512_240: 0xb33e,
  SKEIN512_248: 0xb33f,
  SKEIN512_256: 0xb340,
  SKEIN512_264: 0xb341,
  SKEIN512_272: 0xb342,
  SKEIN512_280: 0xb343,
  SKEIN512_288: 0xb344,
  SKEIN512_296: 0xb345,
  SKEIN512_304: 0xb346,
  SKEIN512_312: 0xb347,
  SKEIN512_320: 0xb348,
  SKEIN512_328: 0xb349,
  SKEIN512_336: 0xb34a,
  SKEIN512_344: 0xb34b,
  SKEIN512_352: 0xb34c,
  SKEIN512_360: 0xb34d,
  SKEIN512_368: 0xb34e,
  SKEIN512_376: 0xb34f,
  SKEIN512_384: 0xb350,
  SKEIN512_392: 0xb351,
  SKEIN512_400: 0xb352,
  SKEIN512_408: 0xb353,
  SKEIN512_416: 0xb354,
  SKEIN512_424: 0xb355,
  SKEIN512_432: 0xb356,
  SKEIN512_440: 0xb357,
  SKEIN512_448: 0xb358,
  SKEIN512_456: 0xb359,
  SKEIN512_464: 0xb35a,
  SKEIN512_472: 0xb35b,
  SKEIN512_480: 0xb35c,
  SKEIN512_488: 0xb35d,
  SKEIN512_496: 0xb35e,
  SKEIN512_504: 0xb35f,
  SKEIN512_512: 0xb360,
  SKEIN1024_8: 0xb361,
  SKEIN1024_16: 0xb362,
  SKEIN1024_24: 0xb363,
  SKEIN1024_32: 0xb364,
  SKEIN1024_40: 0xb365,
  SKEIN1024_48: 0xb366,
  SKEIN1024_56: 0xb367,
  SKEIN1024_64: 0xb368,
  SKEIN1024_72: 0xb369,
  SKEIN1024_80: 0xb36a,
  SKEIN1024_88: 0xb36b,
  SKEIN1024_96: 0xb36c,
  SKEIN1024_104: 0xb36d,
  SKEIN1024_112: 0xb36e,
  SKEIN1024_120: 0xb36f,
  SKEIN1024_128: 0xb370,
  SKEIN1024_136: 0xb371,
  SKEIN1024_144: 0xb372,
  SKEIN1024_152: 0xb373,
  SKEIN1024_160: 0xb374,
  SKEIN1024_168: 0xb375,
  SKEIN1024_176: 0xb376,
  SKEIN1024_184: 0xb377,
  SKEIN1024_192: 0xb378,
  SKEIN1024_200: 0xb379,
  SKEIN1024_208: 0xb37a,
  SKEIN1024_216: 0xb37b,
  SKEIN1024_224: 0xb37c,
  SKEIN1024_232: 0xb37d,
  SKEIN1024_240: 0xb37e,
  SKEIN1024_248: 0xb37f,
  SKEIN1024_256: 0xb380,
  SKEIN1024_264: 0xb381,
  SKEIN1024_272: 0xb382,
  SKEIN1024_280: 0xb383,
  SKEIN1024_288: 0xb384,
  SKEIN1024_296: 0xb385,
  SKEIN1024_304: 0xb386,
  SKEIN1024_312: 0xb387,
  SKEIN1024_320: 0xb388,
  SKEIN1024_328: 0xb389,
  SKEIN1024_336: 0xb38a,
  SKEIN1024_344: 0xb38b,
  SKEIN1024_352: 0xb38c,
  SKEIN1024_360: 0xb38d,
  SKEIN1024_368: 0xb38e,
  SKEIN1024_376: 0xb38f,
  SKEIN1024_384: 0xb390,
  SKEIN1024_392: 0xb391,
  SKEIN1024_400: 0xb392,
  SKEIN1024_408: 0xb393,
  SKEIN1024_416: 0xb394,
  SKEIN1024_424: 0xb395,
  SKEIN1024_432: 0xb396,
  SKEIN1024_440: 0xb397,
  SKEIN1024_448: 0xb398,
  SKEIN1024_456: 0xb399,
  SKEIN1024_464: 0xb39a,
  SKEIN1024_472: 0xb39b,
  SKEIN1024_480: 0xb39c,
  SKEIN1024_488: 0xb39d,
  SKEIN1024_496: 0xb39e,
  SKEIN1024_504: 0xb39f,
  SKEIN1024_512: 0xb3a0,
  SKEIN1024_520: 0xb3a1,
  SKEIN1024_528: 0xb3a2,
  SKEIN1024_536: 0xb3a3,
  SKEIN1024_544: 0xb3a4,
  SKEIN1024_552: 0xb3a5,
  SKEIN1024_560: 0xb3a6,
  SKEIN1024_568: 0xb3a7,
  SKEIN1024_576: 0xb3a8,
  SKEIN1024_584: 0xb3a9,
  SKEIN1024_592: 0xb3aa,
  SKEIN1024_600: 0xb3ab,
  SKEIN1024_608: 0xb3ac,
  SKEIN1024_616: 0xb3ad,
  SKEIN1024_624: 0xb3ae,
  SKEIN1024_632: 0xb3af,
  SKEIN1024_640: 0xb3b0,
  SKEIN1024_648: 0xb3b1,
  SKEIN1024_656: 0xb3b2,
  SKEIN1024_664: 0xb3b3,
  SKEIN1024_672: 0xb3b4,
  SKEIN1024_680: 0xb3b5,
  SKEIN1024_688: 0xb3b6,
  SKEIN1024_696: 0xb3b7,
  SKEIN1024_704: 0xb3b8,
  SKEIN1024_712: 0xb3b9,
  SKEIN1024_720: 0xb3ba,
  SKEIN1024_728: 0xb3bb,
  SKEIN1024_736: 0xb3bc,
  SKEIN1024_744: 0xb3bd,
  SKEIN1024_752: 0xb3be,
  SKEIN1024_760: 0xb3bf,
  SKEIN1024_768: 0xb3c0,
  SKEIN1024_776: 0xb3c1,
  SKEIN1024_784: 0xb3c2,
  SKEIN1024_792: 0xb3c3,
  SKEIN1024_800: 0xb3c4,
  SKEIN1024_808: 0xb3c5,
  SKEIN1024_816: 0xb3c6,
  SKEIN1024_824: 0xb3c7,
  SKEIN1024_832: 0xb3c8,
  SKEIN1024_840: 0xb3c9,
  SKEIN1024_848: 0xb3ca,
  SKEIN1024_856: 0xb3cb,
  SKEIN1024_864: 0xb3cc,
  SKEIN1024_872: 0xb3cd,
  SKEIN1024_880: 0xb3ce,
  SKEIN1024_888: 0xb3cf,
  SKEIN1024_896: 0xb3d0,
  SKEIN1024_904: 0xb3d1,
  SKEIN1024_912: 0xb3d2,
  SKEIN1024_920: 0xb3d3,
  SKEIN1024_928: 0xb3d4,
  SKEIN1024_936: 0xb3d5,
  SKEIN1024_944: 0xb3d6,
  SKEIN1024_952: 0xb3d7,
  SKEIN1024_960: 0xb3d8,
  SKEIN1024_968: 0xb3d9,
  SKEIN1024_976: 0xb3da,
  SKEIN1024_984: 0xb3db,
  SKEIN1024_992: 0xb3dc,
  SKEIN1024_1000: 0xb3dd,
  SKEIN1024_1008: 0xb3de,
  SKEIN1024_1016: 0xb3df,
  SKEIN1024_1024: 0xb3e0,

// multiaddr
  IP4: 0x04,
  TCP: 0x06,
  DCCP: 0x21,
  IP6: 0x29,
  IP6ZONE: 0x2a,
  DNS: 0x35,
  DNS4: 0x36,
  DNS6: 0x37,
  DNSADDR: 0x38,
  SCTP: 0x84,
  UDP: 0x0111,
  P2P_WEBRTC_STAR: 0x0113,
  P2P_WEBRTC_DIRECT: 0x0114,
  P2P_STARDUST: 0x0115,
  P2P_CIRCUIT: 0x0122,
  UDT: 0x012d,
  UTP: 0x012e,
  UNIX: 0x0190,
  P2P: 0x01a5,
  IPFS: 0x01a5,
  HTTPS: 0x01bb,
  ONION: 0x01bc,
  ONION3: 0x01bd,
  GARLIC64: 0x01be,
  GARLIC32: 0x01bf,
  QUIC: 0x01cc,
  WS: 0x01dd,
  WSS: 0x01de,
  P2P_WEBSOCKET_STAR: 0x01df,
  HTTP: 0x01e0,

// ipld
  RAW: 0x55,
  DAG_PB: 0x70,
  DAG_CBOR: 0x71,
  LIBP2P_KEY: 0x72,
  GIT_RAW: 0x78,
  TORRENT_INFO: 0x7b,
  TORRENT_FILE: 0x7c,
  LEOFCOIN_BLOCK: 0x81,
  LEOFCOIN_TX: 0x82,
  LEOFCOIN_PR: 0x83,
  ETH_BLOCK: 0x90,
  ETH_BLOCK_LIST: 0x91,
  ETH_TX_TRIE: 0x92,
  ETH_TX: 0x93,
  ETH_TX_RECEIPT_TRIE: 0x94,
  ETH_TX_RECEIPT: 0x95,
  ETH_STATE_TRIE: 0x96,
  ETH_ACCOUNT_SNAPSHOT: 0x97,
  ETH_STORAGE_TRIE: 0x98,
  BITCOIN_BLOCK: 0xb0,
  BITCOIN_TX: 0xb1,
  ZCASH_BLOCK: 0xc0,
  ZCASH_TX: 0xc1,
  STELLAR_BLOCK: 0xd0,
  STELLAR_TX: 0xd1,
  DECRED_BLOCK: 0xe0,
  DECRED_TX: 0xe1,
  DASH_BLOCK: 0xf0,
  DASH_TX: 0xf1,
  SWARM_MANIFEST: 0xfa,
  SWARM_FEED: 0xfb,
  DAG_JSON: 0x0129,

// namespace
  PATH: 0x2f,
  IPLD_NS: 0xe2,
  IPFS_NS: 0xe3,
  SWARM_NS: 0xe4,
  IPNS_NS: 0xe5,
  ZERONET: 0xe6,

// key
  ED25519_PUB: 0xed,

// holochain
  HOLOCHAIN_ADR_V0: 0x807124,
  HOLOCHAIN_ADR_V1: 0x817124,
  HOLOCHAIN_KEY_V0: 0x947124,
  HOLOCHAIN_KEY_V1: 0x957124,
  HOLOCHAIN_SIG_V0: 0xa27124,
  HOLOCHAIN_SIG_V1: 0xa37124
})

},{}],18:[function(require,module,exports){
(function (Buffer){
/**
 * Implementation of the multicodec specification.
 *
 * @module multicodec
 * @example
 * const multicodec = require('multicodec')
 *
 * const prefixedProtobuf = multicodec.addPrefix('protobuf', protobufBuffer)
 * // prefixedProtobuf 0x50...
 *
 */
'use strict'

const varint = require('varint')
const codecNameToCodeVarint = require('./varint-table')
const codeToCodecName = require('./name-table')
const util = require('./util')

exports = module.exports

/**
 * Prefix a buffer with a multicodec-packed.
 *
 * @param {string|number} multicodecStrOrCode
 * @param {Buffer} data
 * @returns {Buffer}
 */
exports.addPrefix = (multicodecStrOrCode, data) => {
  let prefix

if (Buffer.isBuffer(multicodecStrOrCode)) {
    prefix = util.varintBufferEncode(multicodecStrOrCode)
  } else {
    if (codecNameToCodeVarint[multicodecStrOrCode]) {
      prefix = codecNameToCodeVarint[multicodecStrOrCode]
    } else {
      throw new Error('multicodec not recognized')
    }
  }
  return Buffer.concat([prefix, data])
}

/**
 * Decapsulate the multicodec-packed prefix from the data.
 *
 * @param {Buffer} data
 * @returns {Buffer}
 */
exports.rmPrefix = (data) => {
  varint.decode(data)
  return data.slice(varint.decode.bytes)
}

/**
 * Get the codec of the prefixed data.
 * @param {Buffer} prefixedData
 * @returns {string}
 */
exports.getCodec = (prefixedData) => {
  const code = util.varintBufferDecode(prefixedData)
  const codecName = codeToCodecName[code.toString('hex')]
  if (codecName === undefined) {
    throw new Error('Code `0x' + code.toString('hex') + '` not found')
  }
  return codecName
}

/**
 * Get the name of the codec.
 * @param {number} codec
 * @returns {string}
 */
exports.getName = (codec) => {
  return codeToCodecName[codec.toString(16)]
}

/**
 * Get the code of the codec
 * @param {string} name
 * @returns {number}
 */
exports.getNumber = (name) => {
  const code = codecNameToCodeVarint[name]
  if (code === undefined) {
    throw new Error('Codec `' + name + '` not found')
  }
  return util.varintBufferDecode(code)[0]
}

/**
 * Get the code of the prefixed data.
 * @param {Buffer} prefixedData
 * @returns {number}
 */
exports.getCode = (prefixedData) => {
  return varint.decode(prefixedData)
}

/**
 * Get the code as varint of a codec name.
 * @param {string} codecName
 * @returns {Buffer}
 */
exports.getCodeVarint = (codecName) => {
  const code = codecNameToCodeVarint[codecName]
  if (code === undefined) {
    throw new Error('Codec `' + codecName + '` not found')
  }
  return code
}

/**
 * Get the varint of a code.
 * @param {Number} code
 * @returns {Array.<number>}
 */
exports.getVarint = (code) => {
  return varint.encode(code)
}

// Make the constants top-level constants
const constants = require('./constants')
Object.assign(exports, constants)

// Human friendly names for printing, e.g. in error messages
exports.print = require('./print')

}).call(this,require("buffer").Buffer)
},{"./constants":17,"./name-table":19,"./print":20,"./util":21,"./varint-table":22,"buffer":4,"varint":28}],19:[function(require,module,exports){
'use strict'
const baseTable = require('./base-table')

// this creates a map for code as hexString -> codecName

const nameTable = {}
module.exports = nameTable

for (let encodingName in baseTable) {
  let code = baseTable[encodingName]
  nameTable[code.toString('hex')] = encodingName
}

},{"./base-table":16}],20:[function(require,module,exports){
// THIS FILE IS GENERATED, DO NO EDIT MANUALLY
// For more information see the README.md
/* eslint-disable dot-notation */
'use strict'
module.exports = Object.freeze({

// serialization
  0x50: 'protobuf',
  0x51: 'cbor',
  0x60: 'rlp',
  0x63: 'bencode',
  0x0200: 'json',
  0x0201: 'messagepack',

// multiformat
  0x30: 'multicodec',
  0x31: 'multihash',
  0x32: 'multiaddr',
  0x33: 'multibase',

// multihash
  0x00: 'identity',
  0x11: 'sha1',
  0x12: 'sha2-256',
  0x13: 'sha2-512',
  0x14: 'sha3-512',
  0x15: 'sha3-384',
  0x16: 'sha3-256',
  0x17: 'sha3-224',
  0x18: 'shake-128',
  0x19: 'shake-256',
  0x1a: 'keccak-224',
  0x1b: 'keccak-256',
  0x1c: 'keccak-384',
  0x1d: 'keccak-512',
  0x22: 'murmur3-128',
  0x23: 'murmur3-32',
  0x56: 'dbl-sha2-256',
  0xd4: 'md4',
  0xd5: 'md5',
  0xd6: 'bmt',
  0x1100: 'x11',
  0xb201: 'blake2b-8',
  0xb202: 'blake2b-16',
  0xb203: 'blake2b-24',
  0xb204: 'blake2b-32',
  0xb205: 'blake2b-40',
  0xb206: 'blake2b-48',
  0xb207: 'blake2b-56',
  0xb208: 'blake2b-64',
  0xb209: 'blake2b-72',
  0xb20a: 'blake2b-80',
  0xb20b: 'blake2b-88',
  0xb20c: 'blake2b-96',
  0xb20d: 'blake2b-104',
  0xb20e: 'blake2b-112',
  0xb20f: 'blake2b-120',
  0xb210: 'blake2b-128',
  0xb211: 'blake2b-136',
  0xb212: 'blake2b-144',
  0xb213: 'blake2b-152',
  0xb214: 'blake2b-160',
  0xb215: 'blake2b-168',
  0xb216: 'blake2b-176',
  0xb217: 'blake2b-184',
  0xb218: 'blake2b-192',
  0xb219: 'blake2b-200',
  0xb21a: 'blake2b-208',
  0xb21b: 'blake2b-216',
  0xb21c: 'blake2b-224',
  0xb21d: 'blake2b-232',
  0xb21e: 'blake2b-240',
  0xb21f: 'blake2b-248',
  0xb220: 'blake2b-256',
  0xb221: 'blake2b-264',
  0xb222: 'blake2b-272',
  0xb223: 'blake2b-280',
  0xb224: 'blake2b-288',
  0xb225: 'blake2b-296',
  0xb226: 'blake2b-304',
  0xb227: 'blake2b-312',
  0xb228: 'blake2b-320',
  0xb229: 'blake2b-328',
  0xb22a: 'blake2b-336',
  0xb22b: 'blake2b-344',
  0xb22c: 'blake2b-352',
  0xb22d: 'blake2b-360',
  0xb22e: 'blake2b-368',
  0xb22f: 'blake2b-376',
  0xb230: 'blake2b-384',
  0xb231: 'blake2b-392',
  0xb232: 'blake2b-400',
  0xb233: 'blake2b-408',
  0xb234: 'blake2b-416',
  0xb235: 'blake2b-424',
  0xb236: 'blake2b-432',
  0xb237: 'blake2b-440',
  0xb238: 'blake2b-448',
  0xb239: 'blake2b-456',
  0xb23a: 'blake2b-464',
  0xb23b: 'blake2b-472',
  0xb23c: 'blake2b-480',
  0xb23d: 'blake2b-488',
  0xb23e: 'blake2b-496',
  0xb23f: 'blake2b-504',
  0xb240: 'blake2b-512',
  0xb241: 'blake2s-8',
  0xb242: 'blake2s-16',
  0xb243: 'blake2s-24',
  0xb244: 'blake2s-32',
  0xb245: 'blake2s-40',
  0xb246: 'blake2s-48',
  0xb247: 'blake2s-56',
  0xb248: 'blake2s-64',
  0xb249: 'blake2s-72',
  0xb24a: 'blake2s-80',
  0xb24b: 'blake2s-88',
  0xb24c: 'blake2s-96',
  0xb24d: 'blake2s-104',
  0xb24e: 'blake2s-112',
  0xb24f: 'blake2s-120',
  0xb250: 'blake2s-128',
  0xb251: 'blake2s-136',
  0xb252: 'blake2s-144',
  0xb253: 'blake2s-152',
  0xb254: 'blake2s-160',
  0xb255: 'blake2s-168',
  0xb256: 'blake2s-176',
  0xb257: 'blake2s-184',
  0xb258: 'blake2s-192',
  0xb259: 'blake2s-200',
  0xb25a: 'blake2s-208',
  0xb25b: 'blake2s-216',
  0xb25c: 'blake2s-224',
  0xb25d: 'blake2s-232',
  0xb25e: 'blake2s-240',
  0xb25f: 'blake2s-248',
  0xb260: 'blake2s-256',
  0xb301: 'skein256-8',
  0xb302: 'skein256-16',
  0xb303: 'skein256-24',
  0xb304: 'skein256-32',
  0xb305: 'skein256-40',
  0xb306: 'skein256-48',
  0xb307: 'skein256-56',
  0xb308: 'skein256-64',
  0xb309: 'skein256-72',
  0xb30a: 'skein256-80',
  0xb30b: 'skein256-88',
  0xb30c: 'skein256-96',
  0xb30d: 'skein256-104',
  0xb30e: 'skein256-112',
  0xb30f: 'skein256-120',
  0xb310: 'skein256-128',
  0xb311: 'skein256-136',
  0xb312: 'skein256-144',
  0xb313: 'skein256-152',
  0xb314: 'skein256-160',
  0xb315: 'skein256-168',
  0xb316: 'skein256-176',
  0xb317: 'skein256-184',
  0xb318: 'skein256-192',
  0xb319: 'skein256-200',
  0xb31a: 'skein256-208',
  0xb31b: 'skein256-216',
  0xb31c: 'skein256-224',
  0xb31d: 'skein256-232',
  0xb31e: 'skein256-240',
  0xb31f: 'skein256-248',
  0xb320: 'skein256-256',
  0xb321: 'skein512-8',
  0xb322: 'skein512-16',
  0xb323: 'skein512-24',
  0xb324: 'skein512-32',
  0xb325: 'skein512-40',
  0xb326: 'skein512-48',
  0xb327: 'skein512-56',
  0xb328: 'skein512-64',
  0xb329: 'skein512-72',
  0xb32a: 'skein512-80',
  0xb32b: 'skein512-88',
  0xb32c: 'skein512-96',
  0xb32d: 'skein512-104',
  0xb32e: 'skein512-112',
  0xb32f: 'skein512-120',
  0xb330: 'skein512-128',
  0xb331: 'skein512-136',
  0xb332: 'skein512-144',
  0xb333: 'skein512-152',
  0xb334: 'skein512-160',
  0xb335: 'skein512-168',
  0xb336: 'skein512-176',
  0xb337: 'skein512-184',
  0xb338: 'skein512-192',
  0xb339: 'skein512-200',
  0xb33a: 'skein512-208',
  0xb33b: 'skein512-216',
  0xb33c: 'skein512-224',
  0xb33d: 'skein512-232',
  0xb33e: 'skein512-240',
  0xb33f: 'skein512-248',
  0xb340: 'skein512-256',
  0xb341: 'skein512-264',
  0xb342: 'skein512-272',
  0xb343: 'skein512-280',
  0xb344: 'skein512-288',
  0xb345: 'skein512-296',
  0xb346: 'skein512-304',
  0xb347: 'skein512-312',
  0xb348: 'skein512-320',
  0xb349: 'skein512-328',
  0xb34a: 'skein512-336',
  0xb34b: 'skein512-344',
  0xb34c: 'skein512-352',
  0xb34d: 'skein512-360',
  0xb34e: 'skein512-368',
  0xb34f: 'skein512-376',
  0xb350: 'skein512-384',
  0xb351: 'skein512-392',
  0xb352: 'skein512-400',
  0xb353: 'skein512-408',
  0xb354: 'skein512-416',
  0xb355: 'skein512-424',
  0xb356: 'skein512-432',
  0xb357: 'skein512-440',
  0xb358: 'skein512-448',
  0xb359: 'skein512-456',
  0xb35a: 'skein512-464',
  0xb35b: 'skein512-472',
  0xb35c: 'skein512-480',
  0xb35d: 'skein512-488',
  0xb35e: 'skein512-496',
  0xb35f: 'skein512-504',
  0xb360: 'skein512-512',
  0xb361: 'skein1024-8',
  0xb362: 'skein1024-16',
  0xb363: 'skein1024-24',
  0xb364: 'skein1024-32',
  0xb365: 'skein1024-40',
  0xb366: 'skein1024-48',
  0xb367: 'skein1024-56',
  0xb368: 'skein1024-64',
  0xb369: 'skein1024-72',
  0xb36a: 'skein1024-80',
  0xb36b: 'skein1024-88',
  0xb36c: 'skein1024-96',
  0xb36d: 'skein1024-104',
  0xb36e: 'skein1024-112',
  0xb36f: 'skein1024-120',
  0xb370: 'skein1024-128',
  0xb371: 'skein1024-136',
  0xb372: 'skein1024-144',
  0xb373: 'skein1024-152',
  0xb374: 'skein1024-160',
  0xb375: 'skein1024-168',
  0xb376: 'skein1024-176',
  0xb377: 'skein1024-184',
  0xb378: 'skein1024-192',
  0xb379: 'skein1024-200',
  0xb37a: 'skein1024-208',
  0xb37b: 'skein1024-216',
  0xb37c: 'skein1024-224',
  0xb37d: 'skein1024-232',
  0xb37e: 'skein1024-240',
  0xb37f: 'skein1024-248',
  0xb380: 'skein1024-256',
  0xb381: 'skein1024-264',
  0xb382: 'skein1024-272',
  0xb383: 'skein1024-280',
  0xb384: 'skein1024-288',
  0xb385: 'skein1024-296',
  0xb386: 'skein1024-304',
  0xb387: 'skein1024-312',
  0xb388: 'skein1024-320',
  0xb389: 'skein1024-328',
  0xb38a: 'skein1024-336',
  0xb38b: 'skein1024-344',
  0xb38c: 'skein1024-352',
  0xb38d: 'skein1024-360',
  0xb38e: 'skein1024-368',
  0xb38f: 'skein1024-376',
  0xb390: 'skein1024-384',
  0xb391: 'skein1024-392',
  0xb392: 'skein1024-400',
  0xb393: 'skein1024-408',
  0xb394: 'skein1024-416',
  0xb395: 'skein1024-424',
  0xb396: 'skein1024-432',
  0xb397: 'skein1024-440',
  0xb398: 'skein1024-448',
  0xb399: 'skein1024-456',
  0xb39a: 'skein1024-464',
  0xb39b: 'skein1024-472',
  0xb39c: 'skein1024-480',
  0xb39d: 'skein1024-488',
  0xb39e: 'skein1024-496',
  0xb39f: 'skein1024-504',
  0xb3a0: 'skein1024-512',
  0xb3a1: 'skein1024-520',
  0xb3a2: 'skein1024-528',
  0xb3a3: 'skein1024-536',
  0xb3a4: 'skein1024-544',
  0xb3a5: 'skein1024-552',
  0xb3a6: 'skein1024-560',
  0xb3a7: 'skein1024-568',
  0xb3a8: 'skein1024-576',
  0xb3a9: 'skein1024-584',
  0xb3aa: 'skein1024-592',
  0xb3ab: 'skein1024-600',
  0xb3ac: 'skein1024-608',
  0xb3ad: 'skein1024-616',
  0xb3ae: 'skein1024-624',
  0xb3af: 'skein1024-632',
  0xb3b0: 'skein1024-640',
  0xb3b1: 'skein1024-648',
  0xb3b2: 'skein1024-656',
  0xb3b3: 'skein1024-664',
  0xb3b4: 'skein1024-672',
  0xb3b5: 'skein1024-680',
  0xb3b6: 'skein1024-688',
  0xb3b7: 'skein1024-696',
  0xb3b8: 'skein1024-704',
  0xb3b9: 'skein1024-712',
  0xb3ba: 'skein1024-720',
  0xb3bb: 'skein1024-728',
  0xb3bc: 'skein1024-736',
  0xb3bd: 'skein1024-744',
  0xb3be: 'skein1024-752',
  0xb3bf: 'skein1024-760',
  0xb3c0: 'skein1024-768',
  0xb3c1: 'skein1024-776',
  0xb3c2: 'skein1024-784',
  0xb3c3: 'skein1024-792',
  0xb3c4: 'skein1024-800',
  0xb3c5: 'skein1024-808',
  0xb3c6: 'skein1024-816',
  0xb3c7: 'skein1024-824',
  0xb3c8: 'skein1024-832',
  0xb3c9: 'skein1024-840',
  0xb3ca: 'skein1024-848',
  0xb3cb: 'skein1024-856',
  0xb3cc: 'skein1024-864',
  0xb3cd: 'skein1024-872',
  0xb3ce: 'skein1024-880',
  0xb3cf: 'skein1024-888',
  0xb3d0: 'skein1024-896',
  0xb3d1: 'skein1024-904',
  0xb3d2: 'skein1024-912',
  0xb3d3: 'skein1024-920',
  0xb3d4: 'skein1024-928',
  0xb3d5: 'skein1024-936',
  0xb3d6: 'skein1024-944',
  0xb3d7: 'skein1024-952',
  0xb3d8: 'skein1024-960',
  0xb3d9: 'skein1024-968',
  0xb3da: 'skein1024-976',
  0xb3db: 'skein1024-984',
  0xb3dc: 'skein1024-992',
  0xb3dd: 'skein1024-1000',
  0xb3de: 'skein1024-1008',
  0xb3df: 'skein1024-1016',
  0xb3e0: 'skein1024-1024',

// multiaddr
  0x04: 'ip4',
  0x06: 'tcp',
  0x21: 'dccp',
  0x29: 'ip6',
  0x2a: 'ip6zone',
  0x35: 'dns',
  0x36: 'dns4',
  0x37: 'dns6',
  0x38: 'dnsaddr',
  0x84: 'sctp',
  0x0111: 'udp',
  0x0113: 'p2p-webrtc-star',
  0x0114: 'p2p-webrtc-direct',
  0x0115: 'p2p-stardust',
  0x0122: 'p2p-circuit',
  0x012d: 'udt',
  0x012e: 'utp',
  0x0190: 'unix',
  0x01a5: 'p2p',
  0x01bb: 'https',
  0x01bc: 'onion',
  0x01bd: 'onion3',
  0x01be: 'garlic64',
  0x01bf: 'garlic32',
  0x01cc: 'quic',
  0x01dd: 'ws',
  0x01de: 'wss',
  0x01df: 'p2p-websocket-star',
  0x01e0: 'http',

// ipld
  0x55: 'raw',
  0x70: 'dag-pb',
  0x71: 'dag-cbor',
  0x72: 'libp2p-key',
  0x78: 'git-raw',
  0x7b: 'torrent-info',
  0x7c: 'torrent-file',
  0x81: 'leofcoin-block',
  0x82: 'leofcoin-tx',
  0x83: 'leofcoin-pr',
  0x90: 'eth-block',
  0x91: 'eth-block-list',
  0x92: 'eth-tx-trie',
  0x93: 'eth-tx',
  0x94: 'eth-tx-receipt-trie',
  0x95: 'eth-tx-receipt',
  0x96: 'eth-state-trie',
  0x97: 'eth-account-snapshot',
  0x98: 'eth-storage-trie',
  0xb0: 'bitcoin-block',
  0xb1: 'bitcoin-tx',
  0xc0: 'zcash-block',
  0xc1: 'zcash-tx',
  0xd0: 'stellar-block',
  0xd1: 'stellar-tx',
  0xe0: 'decred-block',
  0xe1: 'decred-tx',
  0xf0: 'dash-block',
  0xf1: 'dash-tx',
  0xfa: 'swarm-manifest',
  0xfb: 'swarm-feed',
  0x0129: 'dag-json',

// namespace
  0x2f: 'path',
  0xe2: 'ipld-ns',
  0xe3: 'ipfs-ns',
  0xe4: 'swarm-ns',
  0xe5: 'ipns-ns',
  0xe6: 'zeronet',

// key
  0xed: 'ed25519-pub',

// holochain
  0x807124: 'holochain-adr-v0',
  0x817124: 'holochain-adr-v1',
  0x947124: 'holochain-key-v0',
  0x957124: 'holochain-key-v1',
  0xa27124: 'holochain-sig-v0',
  0xa37124: 'holochain-sig-v1'
})

},{}],21:[function(require,module,exports){
(function (Buffer){
'use strict'
const varint = require('varint')

module.exports = {
  numberToBuffer,
  bufferToNumber,
  varintBufferEncode,
  varintBufferDecode
}

function bufferToNumber (buf) {
  return parseInt(buf.toString('hex'), 16)
}

function numberToBuffer (num) {
  let hexString = num.toString(16)
  if (hexString.length % 2 === 1) {
    hexString = '0' + hexString
  }
  return Buffer.from(hexString, 'hex')
}

function varintBufferEncode (input) {
  return Buffer.from(varint.encode(bufferToNumber(input)))
}

function varintBufferDecode (input) {
  return numberToBuffer(varint.decode(input))
}

}).call(this,require("buffer").Buffer)
},{"buffer":4,"varint":28}],22:[function(require,module,exports){
'use strict'
const baseTable = require('./base-table')
const varintBufferEncode = require('./util').varintBufferEncode

// this creates a map for codecName -> codeVarintBuffer

const varintTable = {}
module.exports = varintTable

for (let encodingName in baseTable) {
  let code = baseTable[encodingName]
  varintTable[encodingName] = varintBufferEncode(code)
}

},{"./base-table":16,"./util":21}],23:[function(require,module,exports){
/* eslint quote-props: off */
/* eslint key-spacing: off */
'use strict'

exports.names = Object.freeze({
  'identity':   0x0,
  'sha1':       0x11,
  'sha2-256':   0x12,
  'sha2-512':   0x13,
  'dbl-sha2-256': 0x56,
  'sha3-224':   0x17,
  'sha3-256':   0x16,
  'sha3-384':   0x15,
  'sha3-512':   0x14,
  'shake-128':  0x18,
  'shake-256':  0x19,
  'keccak-224': 0x1A,
  'keccak-256': 0x1B,
  'keccak-384': 0x1C,
  'keccak-512': 0x1D,
  'murmur3-128': 0x22,
  'murmur3-32':  0x23,
  'blake2b-8':   0xb201,
  'blake2b-16':  0xb202,
  'blake2b-24':  0xb203,
  'blake2b-32':  0xb204,
  'blake2b-40':  0xb205,
  'blake2b-48':  0xb206,
  'blake2b-56':  0xb207,
  'blake2b-64':  0xb208,
  'blake2b-72':  0xb209,
  'blake2b-80':  0xb20a,
  'blake2b-88':  0xb20b,
  'blake2b-96':  0xb20c,
  'blake2b-104': 0xb20d,
  'blake2b-112': 0xb20e,
  'blake2b-120': 0xb20f,
  'blake2b-128': 0xb210,
  'blake2b-136': 0xb211,
  'blake2b-144': 0xb212,
  'blake2b-152': 0xb213,
  'blake2b-160': 0xb214,
  'blake2b-168': 0xb215,
  'blake2b-176': 0xb216,
  'blake2b-184': 0xb217,
  'blake2b-192': 0xb218,
  'blake2b-200': 0xb219,
  'blake2b-208': 0xb21a,
  'blake2b-216': 0xb21b,
  'blake2b-224': 0xb21c,
  'blake2b-232': 0xb21d,
  'blake2b-240': 0xb21e,
  'blake2b-248': 0xb21f,
  'blake2b-256': 0xb220,
  'blake2b-264': 0xb221,
  'blake2b-272': 0xb222,
  'blake2b-280': 0xb223,
  'blake2b-288': 0xb224,
  'blake2b-296': 0xb225,
  'blake2b-304': 0xb226,
  'blake2b-312': 0xb227,
  'blake2b-320': 0xb228,
  'blake2b-328': 0xb229,
  'blake2b-336': 0xb22a,
  'blake2b-344': 0xb22b,
  'blake2b-352': 0xb22c,
  'blake2b-360': 0xb22d,
  'blake2b-368': 0xb22e,
  'blake2b-376': 0xb22f,
  'blake2b-384': 0xb230,
  'blake2b-392': 0xb231,
  'blake2b-400': 0xb232,
  'blake2b-408': 0xb233,
  'blake2b-416': 0xb234,
  'blake2b-424': 0xb235,
  'blake2b-432': 0xb236,
  'blake2b-440': 0xb237,
  'blake2b-448': 0xb238,
  'blake2b-456': 0xb239,
  'blake2b-464': 0xb23a,
  'blake2b-472': 0xb23b,
  'blake2b-480': 0xb23c,
  'blake2b-488': 0xb23d,
  'blake2b-496': 0xb23e,
  'blake2b-504': 0xb23f,
  'blake2b-512': 0xb240,
  'blake2s-8':   0xb241,
  'blake2s-16':  0xb242,
  'blake2s-24':  0xb243,
  'blake2s-32':  0xb244,
  'blake2s-40':  0xb245,
  'blake2s-48':  0xb246,
  'blake2s-56':  0xb247,
  'blake2s-64':  0xb248,
  'blake2s-72':  0xb249,
  'blake2s-80':  0xb24a,
  'blake2s-88':  0xb24b,
  'blake2s-96':  0xb24c,
  'blake2s-104': 0xb24d,
  'blake2s-112': 0xb24e,
  'blake2s-120': 0xb24f,
  'blake2s-128': 0xb250,
  'blake2s-136': 0xb251,
  'blake2s-144': 0xb252,
  'blake2s-152': 0xb253,
  'blake2s-160': 0xb254,
  'blake2s-168': 0xb255,
  'blake2s-176': 0xb256,
  'blake2s-184': 0xb257,
  'blake2s-192': 0xb258,
  'blake2s-200': 0xb259,
  'blake2s-208': 0xb25a,
  'blake2s-216': 0xb25b,
  'blake2s-224': 0xb25c,
  'blake2s-232': 0xb25d,
  'blake2s-240': 0xb25e,
  'blake2s-248': 0xb25f,
  'blake2s-256': 0xb260,
  'Skein256-8': 0xb301,
  'Skein256-16': 0xb302,
  'Skein256-24': 0xb303,
  'Skein256-32': 0xb304,
  'Skein256-40': 0xb305,
  'Skein256-48': 0xb306,
  'Skein256-56': 0xb307,
  'Skein256-64': 0xb308,
  'Skein256-72': 0xb309,
  'Skein256-80': 0xb30a,
  'Skein256-88': 0xb30b,
  'Skein256-96': 0xb30c,
  'Skein256-104': 0xb30d,
  'Skein256-112': 0xb30e,
  'Skein256-120': 0xb30f,
  'Skein256-128': 0xb310,
  'Skein256-136': 0xb311,
  'Skein256-144': 0xb312,
  'Skein256-152': 0xb313,
  'Skein256-160': 0xb314,
  'Skein256-168': 0xb315,
  'Skein256-176': 0xb316,
  'Skein256-184': 0xb317,
  'Skein256-192': 0xb318,
  'Skein256-200': 0xb319,
  'Skein256-208': 0xb31a,
  'Skein256-216': 0xb31b,
  'Skein256-224': 0xb31c,
  'Skein256-232': 0xb31d,
  'Skein256-240': 0xb31e,
  'Skein256-248': 0xb31f,
  'Skein256-256': 0xb320,
  'Skein512-8': 0xb321,
  'Skein512-16': 0xb322,
  'Skein512-24': 0xb323,
  'Skein512-32': 0xb324,
  'Skein512-40': 0xb325,
  'Skein512-48': 0xb326,
  'Skein512-56': 0xb327,
  'Skein512-64': 0xb328,
  'Skein512-72': 0xb329,
  'Skein512-80': 0xb32a,
  'Skein512-88': 0xb32b,
  'Skein512-96': 0xb32c,
  'Skein512-104': 0xb32d,
  'Skein512-112': 0xb32e,
  'Skein512-120': 0xb32f,
  'Skein512-128': 0xb330,
  'Skein512-136': 0xb331,
  'Skein512-144': 0xb332,
  'Skein512-152': 0xb333,
  'Skein512-160': 0xb334,
  'Skein512-168': 0xb335,
  'Skein512-176': 0xb336,
  'Skein512-184': 0xb337,
  'Skein512-192': 0xb338,
  'Skein512-200': 0xb339,
  'Skein512-208': 0xb33a,
  'Skein512-216': 0xb33b,
  'Skein512-224': 0xb33c,
  'Skein512-232': 0xb33d,
  'Skein512-240': 0xb33e,
  'Skein512-248': 0xb33f,
  'Skein512-256': 0xb340,
  'Skein512-264': 0xb341,
  'Skein512-272': 0xb342,
  'Skein512-280': 0xb343,
  'Skein512-288': 0xb344,
  'Skein512-296': 0xb345,
  'Skein512-304': 0xb346,
  'Skein512-312': 0xb347,
  'Skein512-320': 0xb348,
  'Skein512-328': 0xb349,
  'Skein512-336': 0xb34a,
  'Skein512-344': 0xb34b,
  'Skein512-352': 0xb34c,
  'Skein512-360': 0xb34d,
  'Skein512-368': 0xb34e,
  'Skein512-376': 0xb34f,
  'Skein512-384': 0xb350,
  'Skein512-392': 0xb351,
  'Skein512-400': 0xb352,
  'Skein512-408': 0xb353,
  'Skein512-416': 0xb354,
  'Skein512-424': 0xb355,
  'Skein512-432': 0xb356,
  'Skein512-440': 0xb357,
  'Skein512-448': 0xb358,
  'Skein512-456': 0xb359,
  'Skein512-464': 0xb35a,
  'Skein512-472': 0xb35b,
  'Skein512-480': 0xb35c,
  'Skein512-488': 0xb35d,
  'Skein512-496': 0xb35e,
  'Skein512-504': 0xb35f,
  'Skein512-512': 0xb360,
  'Skein1024-8': 0xb361,
  'Skein1024-16': 0xb362,
  'Skein1024-24': 0xb363,
  'Skein1024-32': 0xb364,
  'Skein1024-40': 0xb365,
  'Skein1024-48': 0xb366,
  'Skein1024-56': 0xb367,
  'Skein1024-64': 0xb368,
  'Skein1024-72': 0xb369,
  'Skein1024-80': 0xb36a,
  'Skein1024-88': 0xb36b,
  'Skein1024-96': 0xb36c,
  'Skein1024-104': 0xb36d,
  'Skein1024-112': 0xb36e,
  'Skein1024-120': 0xb36f,
  'Skein1024-128': 0xb370,
  'Skein1024-136': 0xb371,
  'Skein1024-144': 0xb372,
  'Skein1024-152': 0xb373,
  'Skein1024-160': 0xb374,
  'Skein1024-168': 0xb375,
  'Skein1024-176': 0xb376,
  'Skein1024-184': 0xb377,
  'Skein1024-192': 0xb378,
  'Skein1024-200': 0xb379,
  'Skein1024-208': 0xb37a,
  'Skein1024-216': 0xb37b,
  'Skein1024-224': 0xb37c,
  'Skein1024-232': 0xb37d,
  'Skein1024-240': 0xb37e,
  'Skein1024-248': 0xb37f,
  'Skein1024-256': 0xb380,
  'Skein1024-264': 0xb381,
  'Skein1024-272': 0xb382,
  'Skein1024-280': 0xb383,
  'Skein1024-288': 0xb384,
  'Skein1024-296': 0xb385,
  'Skein1024-304': 0xb386,
  'Skein1024-312': 0xb387,
  'Skein1024-320': 0xb388,
  'Skein1024-328': 0xb389,
  'Skein1024-336': 0xb38a,
  'Skein1024-344': 0xb38b,
  'Skein1024-352': 0xb38c,
  'Skein1024-360': 0xb38d,
  'Skein1024-368': 0xb38e,
  'Skein1024-376': 0xb38f,
  'Skein1024-384': 0xb390,
  'Skein1024-392': 0xb391,
  'Skein1024-400': 0xb392,
  'Skein1024-408': 0xb393,
  'Skein1024-416': 0xb394,
  'Skein1024-424': 0xb395,
  'Skein1024-432': 0xb396,
  'Skein1024-440': 0xb397,
  'Skein1024-448': 0xb398,
  'Skein1024-456': 0xb399,
  'Skein1024-464': 0xb39a,
  'Skein1024-472': 0xb39b,
  'Skein1024-480': 0xb39c,
  'Skein1024-488': 0xb39d,
  'Skein1024-496': 0xb39e,
  'Skein1024-504': 0xb39f,
  'Skein1024-512': 0xb3a0,
  'Skein1024-520': 0xb3a1,
  'Skein1024-528': 0xb3a2,
  'Skein1024-536': 0xb3a3,
  'Skein1024-544': 0xb3a4,
  'Skein1024-552': 0xb3a5,
  'Skein1024-560': 0xb3a6,
  'Skein1024-568': 0xb3a7,
  'Skein1024-576': 0xb3a8,
  'Skein1024-584': 0xb3a9,
  'Skein1024-592': 0xb3aa,
  'Skein1024-600': 0xb3ab,
  'Skein1024-608': 0xb3ac,
  'Skein1024-616': 0xb3ad,
  'Skein1024-624': 0xb3ae,
  'Skein1024-632': 0xb3af,
  'Skein1024-640': 0xb3b0,
  'Skein1024-648': 0xb3b1,
  'Skein1024-656': 0xb3b2,
  'Skein1024-664': 0xb3b3,
  'Skein1024-672': 0xb3b4,
  'Skein1024-680': 0xb3b5,
  'Skein1024-688': 0xb3b6,
  'Skein1024-696': 0xb3b7,
  'Skein1024-704': 0xb3b8,
  'Skein1024-712': 0xb3b9,
  'Skein1024-720': 0xb3ba,
  'Skein1024-728': 0xb3bb,
  'Skein1024-736': 0xb3bc,
  'Skein1024-744': 0xb3bd,
  'Skein1024-752': 0xb3be,
  'Skein1024-760': 0xb3bf,
  'Skein1024-768': 0xb3c0,
  'Skein1024-776': 0xb3c1,
  'Skein1024-784': 0xb3c2,
  'Skein1024-792': 0xb3c3,
  'Skein1024-800': 0xb3c4,
  'Skein1024-808': 0xb3c5,
  'Skein1024-816': 0xb3c6,
  'Skein1024-824': 0xb3c7,
  'Skein1024-832': 0xb3c8,
  'Skein1024-840': 0xb3c9,
  'Skein1024-848': 0xb3ca,
  'Skein1024-856': 0xb3cb,
  'Skein1024-864': 0xb3cc,
  'Skein1024-872': 0xb3cd,
  'Skein1024-880': 0xb3ce,
  'Skein1024-888': 0xb3cf,
  'Skein1024-896': 0xb3d0,
  'Skein1024-904': 0xb3d1,
  'Skein1024-912': 0xb3d2,
  'Skein1024-920': 0xb3d3,
  'Skein1024-928': 0xb3d4,
  'Skein1024-936': 0xb3d5,
  'Skein1024-944': 0xb3d6,
  'Skein1024-952': 0xb3d7,
  'Skein1024-960': 0xb3d8,
  'Skein1024-968': 0xb3d9,
  'Skein1024-976': 0xb3da,
  'Skein1024-984': 0xb3db,
  'Skein1024-992': 0xb3dc,
  'Skein1024-1000': 0xb3dd,
  'Skein1024-1008': 0xb3de,
  'Skein1024-1016': 0xb3df,
  'Skein1024-1024': 0xb3e0
})

exports.codes = Object.freeze({
  0x0: 'identity',

// sha family
  0x11: 'sha1',
  0x12: 'sha2-256',
  0x13: 'sha2-512',
  0x56: 'dbl-sha2-256',
  0x17: 'sha3-224',
  0x16: 'sha3-256',
  0x15: 'sha3-384',
  0x14: 'sha3-512',
  0x18: 'shake-128',
  0x19: 'shake-256',
  0x1A: 'keccak-224',
  0x1B: 'keccak-256',
  0x1C: 'keccak-384',
  0x1D: 'keccak-512',

0x22: 'murmur3-128',
  0x23: 'murmur3-32',

// blake2
  0xb201: 'blake2b-8',
  0xb202: 'blake2b-16',
  0xb203: 'blake2b-24',
  0xb204: 'blake2b-32',
  0xb205: 'blake2b-40',
  0xb206: 'blake2b-48',
  0xb207: 'blake2b-56',
  0xb208: 'blake2b-64',
  0xb209: 'blake2b-72',
  0xb20a: 'blake2b-80',
  0xb20b: 'blake2b-88',
  0xb20c: 'blake2b-96',
  0xb20d: 'blake2b-104',
  0xb20e: 'blake2b-112',
  0xb20f: 'blake2b-120',
  0xb210: 'blake2b-128',
  0xb211: 'blake2b-136',
  0xb212: 'blake2b-144',
  0xb213: 'blake2b-152',
  0xb214: 'blake2b-160',
  0xb215: 'blake2b-168',
  0xb216: 'blake2b-176',
  0xb217: 'blake2b-184',
  0xb218: 'blake2b-192',
  0xb219: 'blake2b-200',
  0xb21a: 'blake2b-208',
  0xb21b: 'blake2b-216',
  0xb21c: 'blake2b-224',
  0xb21d: 'blake2b-232',
  0xb21e: 'blake2b-240',
  0xb21f: 'blake2b-248',
  0xb220: 'blake2b-256',
  0xb221: 'blake2b-264',
  0xb222: 'blake2b-272',
  0xb223: 'blake2b-280',
  0xb224: 'blake2b-288',
  0xb225: 'blake2b-296',
  0xb226: 'blake2b-304',
  0xb227: 'blake2b-312',
  0xb228: 'blake2b-320',
  0xb229: 'blake2b-328',
  0xb22a: 'blake2b-336',
  0xb22b: 'blake2b-344',
  0xb22c: 'blake2b-352',
  0xb22d: 'blake2b-360',
  0xb22e: 'blake2b-368',
  0xb22f: 'blake2b-376',
  0xb230: 'blake2b-384',
  0xb231: 'blake2b-392',
  0xb232: 'blake2b-400',
  0xb233: 'blake2b-408',
  0xb234: 'blake2b-416',
  0xb235: 'blake2b-424',
  0xb236: 'blake2b-432',
  0xb237: 'blake2b-440',
  0xb238: 'blake2b-448',
  0xb239: 'blake2b-456',
  0xb23a: 'blake2b-464',
  0xb23b: 'blake2b-472',
  0xb23c: 'blake2b-480',
  0xb23d: 'blake2b-488',
  0xb23e: 'blake2b-496',
  0xb23f: 'blake2b-504',
  0xb240: 'blake2b-512',
  0xb241: 'blake2s-8',
  0xb242: 'blake2s-16',
  0xb243: 'blake2s-24',
  0xb244: 'blake2s-32',
  0xb245: 'blake2s-40',
  0xb246: 'blake2s-48',
  0xb247: 'blake2s-56',
  0xb248: 'blake2s-64',
  0xb249: 'blake2s-72',
  0xb24a: 'blake2s-80',
  0xb24b: 'blake2s-88',
  0xb24c: 'blake2s-96',
  0xb24d: 'blake2s-104',
  0xb24e: 'blake2s-112',
  0xb24f: 'blake2s-120',
  0xb250: 'blake2s-128',
  0xb251: 'blake2s-136',
  0xb252: 'blake2s-144',
  0xb253: 'blake2s-152',
  0xb254: 'blake2s-160',
  0xb255: 'blake2s-168',
  0xb256: 'blake2s-176',
  0xb257: 'blake2s-184',
  0xb258: 'blake2s-192',
  0xb259: 'blake2s-200',
  0xb25a: 'blake2s-208',
  0xb25b: 'blake2s-216',
  0xb25c: 'blake2s-224',
  0xb25d: 'blake2s-232',
  0xb25e: 'blake2s-240',
  0xb25f: 'blake2s-248',
  0xb260: 'blake2s-256',

// skein
  0xb301: 'Skein256-8',
  0xb302: 'Skein256-16',
  0xb303: 'Skein256-24',
  0xb304: 'Skein256-32',
  0xb305: 'Skein256-40',
  0xb306: 'Skein256-48',
  0xb307: 'Skein256-56',
  0xb308: 'Skein256-64',
  0xb309: 'Skein256-72',
  0xb30a: 'Skein256-80',
  0xb30b: 'Skein256-88',
  0xb30c: 'Skein256-96',
  0xb30d: 'Skein256-104',
  0xb30e: 'Skein256-112',
  0xb30f: 'Skein256-120',
  0xb310: 'Skein256-128',
  0xb311: 'Skein256-136',
  0xb312: 'Skein256-144',
  0xb313: 'Skein256-152',
  0xb314: 'Skein256-160',
  0xb315: 'Skein256-168',
  0xb316: 'Skein256-176',
  0xb317: 'Skein256-184',
  0xb318: 'Skein256-192',
  0xb319: 'Skein256-200',
  0xb31a: 'Skein256-208',
  0xb31b: 'Skein256-216',
  0xb31c: 'Skein256-224',
  0xb31d: 'Skein256-232',
  0xb31e: 'Skein256-240',
  0xb31f: 'Skein256-248',
  0xb320: 'Skein256-256',
  0xb321: 'Skein512-8',
  0xb322: 'Skein512-16',
  0xb323: 'Skein512-24',
  0xb324: 'Skein512-32',
  0xb325: 'Skein512-40',
  0xb326: 'Skein512-48',
  0xb327: 'Skein512-56',
  0xb328: 'Skein512-64',
  0xb329: 'Skein512-72',
  0xb32a: 'Skein512-80',
  0xb32b: 'Skein512-88',
  0xb32c: 'Skein512-96',
  0xb32d: 'Skein512-104',
  0xb32e: 'Skein512-112',
  0xb32f: 'Skein512-120',
  0xb330: 'Skein512-128',
  0xb331: 'Skein512-136',
  0xb332: 'Skein512-144',
  0xb333: 'Skein512-152',
  0xb334: 'Skein512-160',
  0xb335: 'Skein512-168',
  0xb336: 'Skein512-176',
  0xb337: 'Skein512-184',
  0xb338: 'Skein512-192',
  0xb339: 'Skein512-200',
  0xb33a: 'Skein512-208',
  0xb33b: 'Skein512-216',
  0xb33c: 'Skein512-224',
  0xb33d: 'Skein512-232',
  0xb33e: 'Skein512-240',
  0xb33f: 'Skein512-248',
  0xb340: 'Skein512-256',
  0xb341: 'Skein512-264',
  0xb342: 'Skein512-272',
  0xb343: 'Skein512-280',
  0xb344: 'Skein512-288',
  0xb345: 'Skein512-296',
  0xb346: 'Skein512-304',
  0xb347: 'Skein512-312',
  0xb348: 'Skein512-320',
  0xb349: 'Skein512-328',
  0xb34a: 'Skein512-336',
  0xb34b: 'Skein512-344',
  0xb34c: 'Skein512-352',
  0xb34d: 'Skein512-360',
  0xb34e: 'Skein512-368',
  0xb34f: 'Skein512-376',
  0xb350: 'Skein512-384',
  0xb351: 'Skein512-392',
  0xb352: 'Skein512-400',
  0xb353: 'Skein512-408',
  0xb354: 'Skein512-416',
  0xb355: 'Skein512-424',
  0xb356: 'Skein512-432',
  0xb357: 'Skein512-440',
  0xb358: 'Skein512-448',
  0xb359: 'Skein512-456',
  0xb35a: 'Skein512-464',
  0xb35b: 'Skein512-472',
  0xb35c: 'Skein512-480',
  0xb35d: 'Skein512-488',
  0xb35e: 'Skein512-496',
  0xb35f: 'Skein512-504',
  0xb360: 'Skein512-512',
  0xb361: 'Skein1024-8',
  0xb362: 'Skein1024-16',
  0xb363: 'Skein1024-24',
  0xb364: 'Skein1024-32',
  0xb365: 'Skein1024-40',
  0xb366: 'Skein1024-48',
  0xb367: 'Skein1024-56',
  0xb368: 'Skein1024-64',
  0xb369: 'Skein1024-72',
  0xb36a: 'Skein1024-80',
  0xb36b: 'Skein1024-88',
  0xb36c: 'Skein1024-96',
  0xb36d: 'Skein1024-104',
  0xb36e: 'Skein1024-112',
  0xb36f: 'Skein1024-120',
  0xb370: 'Skein1024-128',
  0xb371: 'Skein1024-136',
  0xb372: 'Skein1024-144',
  0xb373: 'Skein1024-152',
  0xb374: 'Skein1024-160',
  0xb375: 'Skein1024-168',
  0xb376: 'Skein1024-176',
  0xb377: 'Skein1024-184',
  0xb378: 'Skein1024-192',
  0xb379: 'Skein1024-200',
  0xb37a: 'Skein1024-208',
  0xb37b: 'Skein1024-216',
  0xb37c: 'Skein1024-224',
  0xb37d: 'Skein1024-232',
  0xb37e: 'Skein1024-240',
  0xb37f: 'Skein1024-248',
  0xb380: 'Skein1024-256',
  0xb381: 'Skein1024-264',
  0xb382: 'Skein1024-272',
  0xb383: 'Skein1024-280',
  0xb384: 'Skein1024-288',
  0xb385: 'Skein1024-296',
  0xb386: 'Skein1024-304',
  0xb387: 'Skein1024-312',
  0xb388: 'Skein1024-320',
  0xb389: 'Skein1024-328',
  0xb38a: 'Skein1024-336',
  0xb38b: 'Skein1024-344',
  0xb38c: 'Skein1024-352',
  0xb38d: 'Skein1024-360',
  0xb38e: 'Skein1024-368',
  0xb38f: 'Skein1024-376',
  0xb390: 'Skein1024-384',
  0xb391: 'Skein1024-392',
  0xb392: 'Skein1024-400',
  0xb393: 'Skein1024-408',
  0xb394: 'Skein1024-416',
  0xb395: 'Skein1024-424',
  0xb396: 'Skein1024-432',
  0xb397: 'Skein1024-440',
  0xb398: 'Skein1024-448',
  0xb399: 'Skein1024-456',
  0xb39a: 'Skein1024-464',
  0xb39b: 'Skein1024-472',
  0xb39c: 'Skein1024-480',
  0xb39d: 'Skein1024-488',
  0xb39e: 'Skein1024-496',
  0xb39f: 'Skein1024-504',
  0xb3a0: 'Skein1024-512',
  0xb3a1: 'Skein1024-520',
  0xb3a2: 'Skein1024-528',
  0xb3a3: 'Skein1024-536',
  0xb3a4: 'Skein1024-544',
  0xb3a5: 'Skein1024-552',
  0xb3a6: 'Skein1024-560',
  0xb3a7: 'Skein1024-568',
  0xb3a8: 'Skein1024-576',
  0xb3a9: 'Skein1024-584',
  0xb3aa: 'Skein1024-592',
  0xb3ab: 'Skein1024-600',
  0xb3ac: 'Skein1024-608',
  0xb3ad: 'Skein1024-616',
  0xb3ae: 'Skein1024-624',
  0xb3af: 'Skein1024-632',
  0xb3b0: 'Skein1024-640',
  0xb3b1: 'Skein1024-648',
  0xb3b2: 'Skein1024-656',
  0xb3b3: 'Skein1024-664',
  0xb3b4: 'Skein1024-672',
  0xb3b5: 'Skein1024-680',
  0xb3b6: 'Skein1024-688',
  0xb3b7: 'Skein1024-696',
  0xb3b8: 'Skein1024-704',
  0xb3b9: 'Skein1024-712',
  0xb3ba: 'Skein1024-720',
  0xb3bb: 'Skein1024-728',
  0xb3bc: 'Skein1024-736',
  0xb3bd: 'Skein1024-744',
  0xb3be: 'Skein1024-752',
  0xb3bf: 'Skein1024-760',
  0xb3c0: 'Skein1024-768',
  0xb3c1: 'Skein1024-776',
  0xb3c2: 'Skein1024-784',
  0xb3c3: 'Skein1024-792',
  0xb3c4: 'Skein1024-800',
  0xb3c5: 'Skein1024-808',
  0xb3c6: 'Skein1024-816',
  0xb3c7: 'Skein1024-824',
  0xb3c8: 'Skein1024-832',
  0xb3c9: 'Skein1024-840',
  0xb3ca: 'Skein1024-848',
  0xb3cb: 'Skein1024-856',
  0xb3cc: 'Skein1024-864',
  0xb3cd: 'Skein1024-872',
  0xb3ce: 'Skein1024-880',
  0xb3cf: 'Skein1024-888',
  0xb3d0: 'Skein1024-896',
  0xb3d1: 'Skein1024-904',
  0xb3d2: 'Skein1024-912',
  0xb3d3: 'Skein1024-920',
  0xb3d4: 'Skein1024-928',
  0xb3d5: 'Skein1024-936',
  0xb3d6: 'Skein1024-944',
  0xb3d7: 'Skein1024-952',
  0xb3d8: 'Skein1024-960',
  0xb3d9: 'Skein1024-968',
  0xb3da: 'Skein1024-976',
  0xb3db: 'Skein1024-984',
  0xb3dc: 'Skein1024-992',
  0xb3dd: 'Skein1024-1000',
  0xb3de: 'Skein1024-1008',
  0xb3df: 'Skein1024-1016',
  0xb3e0: 'Skein1024-1024'
})

exports.defaultLengths = Object.freeze({
  0x11: 20,
  0x12: 32,
  0x13: 64,
  0x56: 32,
  0x17: 28,
  0x16: 32,
  0x15: 48,
  0x14: 64,
  0x18: 32,
  0x19: 64,
  0x1A: 28,
  0x1B: 32,
  0x1C: 48,
  0x1D: 64,
  0x22: 32,

0xb201: 0x01,
  0xb202: 0x02,
  0xb203: 0x03,
  0xb204: 0x04,
  0xb205: 0x05,
  0xb206: 0x06,
  0xb207: 0x07,
  0xb208: 0x08,
  0xb209: 0x09,
  0xb20a: 0x0a,
  0xb20b: 0x0b,
  0xb20c: 0x0c,
  0xb20d: 0x0d,
  0xb20e: 0x0e,
  0xb20f: 0x0f,
  0xb210: 0x10,
  0xb211: 0x11,
  0xb212: 0x12,
  0xb213: 0x13,
  0xb214: 0x14,
  0xb215: 0x15,
  0xb216: 0x16,
  0xb217: 0x17,
  0xb218: 0x18,
  0xb219: 0x19,
  0xb21a: 0x1a,
  0xb21b: 0x1b,
  0xb21c: 0x1c,
  0xb21d: 0x1d,
  0xb21e: 0x1e,
  0xb21f: 0x1f,
  0xb220: 0x20,
  0xb221: 0x21,
  0xb222: 0x22,
  0xb223: 0x23,
  0xb224: 0x24,
  0xb225: 0x25,
  0xb226: 0x26,
  0xb227: 0x27,
  0xb228: 0x28,
  0xb229: 0x29,
  0xb22a: 0x2a,
  0xb22b: 0x2b,
  0xb22c: 0x2c,
  0xb22d: 0x2d,
  0xb22e: 0x2e,
  0xb22f: 0x2f,
  0xb230: 0x30,
  0xb231: 0x31,
  0xb232: 0x32,
  0xb233: 0x33,
  0xb234: 0x34,
  0xb235: 0x35,
  0xb236: 0x36,
  0xb237: 0x37,
  0xb238: 0x38,
  0xb239: 0x39,
  0xb23a: 0x3a,
  0xb23b: 0x3b,
  0xb23c: 0x3c,
  0xb23d: 0x3d,
  0xb23e: 0x3e,
  0xb23f: 0x3f,
  0xb240: 0x40,
  0xb241: 0x01,
  0xb242: 0x02,
  0xb243: 0x03,
  0xb244: 0x04,
  0xb245: 0x05,
  0xb246: 0x06,
  0xb247: 0x07,
  0xb248: 0x08,
  0xb249: 0x09,
  0xb24a: 0x0a,
  0xb24b: 0x0b,
  0xb24c: 0x0c,
  0xb24d: 0x0d,
  0xb24e: 0x0e,
  0xb24f: 0x0f,
  0xb250: 0x10,
  0xb251: 0x11,
  0xb252: 0x12,
  0xb253: 0x13,
  0xb254: 0x14,
  0xb255: 0x15,
  0xb256: 0x16,
  0xb257: 0x17,
  0xb258: 0x18,
  0xb259: 0x19,
  0xb25a: 0x1a,
  0xb25b: 0x1b,
  0xb25c: 0x1c,
  0xb25d: 0x1d,
  0xb25e: 0x1e,
  0xb25f: 0x1f,
  0xb260: 0x20,
  0xb301: 0x01,
  0xb302: 0x02,
  0xb303: 0x03,
  0xb304: 0x04,
  0xb305: 0x05,
  0xb306: 0x06,
  0xb307: 0x07,
  0xb308: 0x08,
  0xb309: 0x09,
  0xb30a: 0x0a,
  0xb30b: 0x0b,
  0xb30c: 0x0c,
  0xb30d: 0x0d,
  0xb30e: 0x0e,
  0xb30f: 0x0f,
  0xb310: 0x10,
  0xb311: 0x11,
  0xb312: 0x12,
  0xb313: 0x13,
  0xb314: 0x14,
  0xb315: 0x15,
  0xb316: 0x16,
  0xb317: 0x17,
  0xb318: 0x18,
  0xb319: 0x19,
  0xb31a: 0x1a,
  0xb31b: 0x1b,
  0xb31c: 0x1c,
  0xb31d: 0x1d,
  0xb31e: 0x1e,
  0xb31f: 0x1f,
  0xb320: 0x20,
  0xb321: 0x01,
  0xb322: 0x02,
  0xb323: 0x03,
  0xb324: 0x04,
  0xb325: 0x05,
  0xb326: 0x06,
  0xb327: 0x07,
  0xb328: 0x08,
  0xb329: 0x09,
  0xb32a: 0x0a,
  0xb32b: 0x0b,
  0xb32c: 0x0c,
  0xb32d: 0x0d,
  0xb32e: 0x0e,
  0xb32f: 0x0f,
  0xb330: 0x10,
  0xb331: 0x11,
  0xb332: 0x12,
  0xb333: 0x13,
  0xb334: 0x14,
  0xb335: 0x15,
  0xb336: 0x16,
  0xb337: 0x17,
  0xb338: 0x18,
  0xb339: 0x19,
  0xb33a: 0x1a,
  0xb33b: 0x1b,
  0xb33c: 0x1c,
  0xb33d: 0x1d,
  0xb33e: 0x1e,
  0xb33f: 0x1f,
  0xb340: 0x20,
  0xb341: 0x21,
  0xb342: 0x22,
  0xb343: 0x23,
  0xb344: 0x24,
  0xb345: 0x25,
  0xb346: 0x26,
  0xb347: 0x27,
  0xb348: 0x28,
  0xb349: 0x29,
  0xb34a: 0x2a,
  0xb34b: 0x2b,
  0xb34c: 0x2c,
  0xb34d: 0x2d,
  0xb34e: 0x2e,
  0xb34f: 0x2f,
  0xb350: 0x30,
  0xb351: 0x31,
  0xb352: 0x32,
  0xb353: 0x33,
  0xb354: 0x34,
  0xb355: 0x35,
  0xb356: 0x36,
  0xb357: 0x37,
  0xb358: 0x38,
  0xb359: 0x39,
  0xb35a: 0x3a,
  0xb35b: 0x3b,
  0xb35c: 0x3c,
  0xb35d: 0x3d,
  0xb35e: 0x3e,
  0xb35f: 0x3f,
  0xb360: 0x40,
  0xb361: 0x01,
  0xb362: 0x02,
  0xb363: 0x03,
  0xb364: 0x04,
  0xb365: 0x05,
  0xb366: 0x06,
  0xb367: 0x07,
  0xb368: 0x08,
  0xb369: 0x09,
  0xb36a: 0x0a,
  0xb36b: 0x0b,
  0xb36c: 0x0c,
  0xb36d: 0x0d,
  0xb36e: 0x0e,
  0xb36f: 0x0f,
  0xb370: 0x10,
  0xb371: 0x11,
  0xb372: 0x12,
  0xb373: 0x13,
  0xb374: 0x14,
  0xb375: 0x15,
  0xb376: 0x16,
  0xb377: 0x17,
  0xb378: 0x18,
  0xb379: 0x19,
  0xb37a: 0x1a,
  0xb37b: 0x1b,
  0xb37c: 0x1c,
  0xb37d: 0x1d,
  0xb37e: 0x1e,
  0xb37f: 0x1f,
  0xb380: 0x20,
  0xb381: 0x21,
  0xb382: 0x22,
  0xb383: 0x23,
  0xb384: 0x24,
  0xb385: 0x25,
  0xb386: 0x26,
  0xb387: 0x27,
  0xb388: 0x28,
  0xb389: 0x29,
  0xb38a: 0x2a,
  0xb38b: 0x2b,
  0xb38c: 0x2c,
  0xb38d: 0x2d,
  0xb38e: 0x2e,
  0xb38f: 0x2f,
  0xb390: 0x30,
  0xb391: 0x31,
  0xb392: 0x32,
  0xb393: 0x33,
  0xb394: 0x34,
  0xb395: 0x35,
  0xb396: 0x36,
  0xb397: 0x37,
  0xb398: 0x38,
  0xb399: 0x39,
  0xb39a: 0x3a,
  0xb39b: 0x3b,
  0xb39c: 0x3c,
  0xb39d: 0x3d,
  0xb39e: 0x3e,
  0xb39f: 0x3f,
  0xb3a0: 0x40,
  0xb3a1: 0x41,
  0xb3a2: 0x42,
  0xb3a3: 0x43,
  0xb3a4: 0x44,
  0xb3a5: 0x45,
  0xb3a6: 0x46,
  0xb3a7: 0x47,
  0xb3a8: 0x48,
  0xb3a9: 0x49,
  0xb3aa: 0x4a,
  0xb3ab: 0x4b,
  0xb3ac: 0x4c,
  0xb3ad: 0x4d,
  0xb3ae: 0x4e,
  0xb3af: 0x4f,
  0xb3b0: 0x50,
  0xb3b1: 0x51,
  0xb3b2: 0x52,
  0xb3b3: 0x53,
  0xb3b4: 0x54,
  0xb3b5: 0x55,
  0xb3b6: 0x56,
  0xb3b7: 0x57,
  0xb3b8: 0x58,
  0xb3b9: 0x59,
  0xb3ba: 0x5a,
  0xb3bb: 0x5b,
  0xb3bc: 0x5c,
  0xb3bd: 0x5d,
  0xb3be: 0x5e,
  0xb3bf: 0x5f,
  0xb3c0: 0x60,
  0xb3c1: 0x61,
  0xb3c2: 0x62,
  0xb3c3: 0x63,
  0xb3c4: 0x64,
  0xb3c5: 0x65,
  0xb3c6: 0x66,
  0xb3c7: 0x67,
  0xb3c8: 0x68,
  0xb3c9: 0x69,
  0xb3ca: 0x6a,
  0xb3cb: 0x6b,
  0xb3cc: 0x6c,
  0xb3cd: 0x6d,
  0xb3ce: 0x6e,
  0xb3cf: 0x6f,
  0xb3d0: 0x70,
  0xb3d1: 0x71,
  0xb3d2: 0x72,
  0xb3d3: 0x73,
  0xb3d4: 0x74,
  0xb3d5: 0x75,
  0xb3d6: 0x76,
  0xb3d7: 0x77,
  0xb3d8: 0x78,
  0xb3d9: 0x79,
  0xb3da: 0x7a,
  0xb3db: 0x7b,
  0xb3dc: 0x7c,
  0xb3dd: 0x7d,
  0xb3de: 0x7e,
  0xb3df: 0x7f,
  0xb3e0: 0x80
})

},{}],24:[function(require,module,exports){
(function (Buffer){
/**
 * Multihash implementation in JavaScript.
 *
 * @module multihash
 */
'use strict'

const bs58 = require('bs58')

const cs = require('./constants')

exports.names = cs.names
exports.codes = cs.codes
exports.defaultLengths = cs.defaultLengths

const varint = require('varint')

/**
 * Convert the given multihash to a hex encoded string.
 *
 * @param {Buffer} hash
 * @returns {string}
 */
exports.toHexString = function toHexString (hash) {
  if (!Buffer.isBuffer(hash)) {
    throw new Error('must be passed a buffer')
  }

return hash.toString('hex')
}

/**
 * Convert the given hex encoded string to a multihash.
 *
 * @param {string} hash
 * @returns {Buffer}
 */
exports.fromHexString = function fromHexString (hash) {
  return Buffer.from(hash, 'hex')
}

/**
 * Convert the given multihash to a base58 encoded string.
 *
 * @param {Buffer} hash
 * @returns {string}
 */
exports.toB58String = function toB58String (hash) {
  if (!Buffer.isBuffer(hash)) {
    throw new Error('must be passed a buffer')
  }

return bs58.encode(hash)
}

/**
 * Convert the given base58 encoded string to a multihash.
 *
 * @param {string|Buffer} hash
 * @returns {Buffer}
 */
exports.fromB58String = function fromB58String (hash) {
  let encoded = hash
  if (Buffer.isBuffer(hash)) {
    encoded = hash.toString()
  }

return Buffer.from(bs58.decode(encoded))
}

/**
 * Decode a hash from the given multihash.
 *
 * @param {Buffer} buf
 * @returns {{code: number, name: string, length: number, digest: Buffer}} result
 */
exports.decode = function decode (buf) {
  if (!(Buffer.isBuffer(buf))) {
    throw new Error('multihash must be a Buffer')
  }

if (buf.length < 3) {
    throw new Error('multihash too short. must be > 3 bytes.')
  }

const code = varint.decode(buf)
  if (!exports.isValidCode(code)) {
    throw new Error(`multihash unknown function code: 0x${code.toString(16)}`)
  }
  buf = buf.slice(varint.decode.bytes)

const len = varint.decode(buf)
  if (len < 1) {
    throw new Error(`multihash invalid length: 0x${len.toString(16)}`)
  }
  buf = buf.slice(varint.decode.bytes)

if (buf.length !== len) {
    throw new Error(`multihash length inconsistent: 0x${buf.toString('hex')}`)
  }

return {
    code: code,
    name: cs.codes[code],
    length: len,
    digest: buf
  }
}

/**
 *  Encode a hash digest along with the specified function code.
 *
 * > **Note:** the length is derived from the length of the digest itself.
 *
 * @param {Buffer} digest
 * @param {string|number} code
 * @param {number} [length]
 * @returns {Buffer}
 */
exports.encode = function encode (digest, code, length) {
  if (!digest || code === undefined) {
    throw new Error('multihash encode requires at least two args: digest, code')
  }

// ensure it's a hashfunction code.
  const hashfn = exports.coerceCode(code)

if (!(Buffer.isBuffer(digest))) {
    throw new Error('digest should be a Buffer')
  }

if (length == null) {
    length = digest.length
  }

if (length && digest.length !== length) {
    throw new Error('digest length should be equal to specified length.')
  }

return Buffer.concat([
    Buffer.from(varint.encode(hashfn)),
    Buffer.from(varint.encode(length)),
    digest
  ])
}

/**
 * Converts a hash function name into the matching code.
 * If passed a number it will return the number if it's a valid code.
 * @param {string|number} name
 * @returns {number}
 */
exports.coerceCode = function coerceCode (name) {
  let code = name

if (typeof name === 'string') {
    if (cs.names[name] === undefined) {
      throw new Error(`Unrecognized hash function named: ${name}`)
    }
    code = cs.names[name]
  }

if (typeof code !== 'number') {
    throw new Error(`Hash function code should be a number. Got: ${code}`)
  }

if (cs.codes[code] === undefined && !exports.isAppCode(code)) {
    throw new Error(`Unrecognized function code: ${code}`)
  }

return code
}

/**
 * Checks wether a code is part of the app range
 *
 * @param {number} code
 * @returns {boolean}
 */
exports.isAppCode = function appCode (code) {
  return code > 0 && code < 0x10
}

/**
 * Checks whether a multihash code is valid.
 *
 * @param {number} code
 * @returns {boolean}
 */
exports.isValidCode = function validCode (code) {
  if (exports.isAppCode(code)) {
    return true
  }

if (cs.codes[code]) {
    return true
  }

return false
}

/**
 * Check if the given buffer is a valid multihash. Throws an error if it is not valid.
 *
 * @param {Buffer} multihash
 * @returns {undefined}
 * @throws {Error}
 */
function validate (multihash) {
  exports.decode(multihash) // throws if bad.
}
exports.validate = validate

/**
 * Returns a prefix from a valid multihash. Throws an error if it is not valid.
 *
 * @param {Buffer} multihash
 * @returns {undefined}
 * @throws {Error}
 */
exports.prefix = function prefix (multihash) {
  validate(multihash)

return multihash.slice(0, 2)
}

}).call(this,require("buffer").Buffer)
},{"./constants":23,"bs58":3,"buffer":4,"varint":28}],25:[function(require,module,exports){
/* eslint-disable node/no-deprecated-api */
var buffer = require('buffer')
var Buffer = buffer.Buffer

// alternative to using Object.keys for old browsers
function copyProps (src, dst) {
  for (var key in src) {
    dst[key] = src[key]
  }
}
if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
  module.exports = buffer
} else {
  // Copy properties from require('buffer')
  copyProps(buffer, exports)
  exports.Buffer = SafeBuffer
}

function SafeBuffer (arg, encodingOrOffset, length) {
  return Buffer(arg, encodingOrOffset, length)
}

// Copy static methods from Buffer
copyProps(Buffer, SafeBuffer)

SafeBuffer.from = function (arg, encodingOrOffset, length) {
  if (typeof arg === 'number') {
    throw new TypeError('Argument must not be a number')
  }
  return Buffer(arg, encodingOrOffset, length)
}

SafeBuffer.alloc = function (size, fill, encoding) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  var buf = Buffer(size)
  if (fill !== undefined) {
    if (typeof encoding === 'string') {
      buf.fill(fill, encoding)
    } else {
      buf.fill(fill)
    }
  } else {
    buf.fill(0)
  }
  return buf
}

SafeBuffer.allocUnsafe = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return Buffer(size)
}

SafeBuffer.allocUnsafeSlow = function (size) {
  if (typeof size !== 'number') {
    throw new TypeError('Argument must be a number')
  }
  return buffer.SlowBuffer(size)
}

},{"buffer":4}],26:[function(require,module,exports){
module.exports = read

var MSB = 0x80
  , REST = 0x7F

function read(buf, offset) {
  var res    = 0
    , offset = offset || 0
    , shift  = 0
    , counter = offset
    , b
    , l = buf.length

do {
    if (counter >= l) {
      read.bytes = 0
      throw new RangeError('Could not decode varint')
    }
    b = buf[counter++]
    res += shift < 28
      ? (b & REST) << shift
      : (b & REST) * Math.pow(2, shift)
    shift += 7
  } while (b >= MSB)

read.bytes = counter - offset

return res
}

},{}],27:[function(require,module,exports){
module.exports = encode

var MSB = 0x80
  , REST = 0x7F
  , MSBALL = ~REST
  , INT = Math.pow(2, 31)

function encode(num, out, offset) {
  out = out || []
  offset = offset || 0
  var oldOffset = offset

while(num >= INT) {
    out[offset++] = (num & 0xFF) | MSB
    num /= 128
  }
  while(num & MSBALL) {
    out[offset++] = (num & 0xFF) | MSB
    num >>>= 7
  }
  out[offset] = num | 0
  
  encode.bytes = offset - oldOffset + 1
  
  return out
}

},{}],28:[function(require,module,exports){
module.exports = {
    encode: require('./encode.js')
  , decode: require('./decode.js')
  , encodingLength: require('./length.js')
}

},{"./decode.js":26,"./encode.js":27,"./length.js":29}],29:[function(require,module,exports){

var N1 = Math.pow(2,  7)
var N2 = Math.pow(2, 14)
var N3 = Math.pow(2, 21)
var N4 = Math.pow(2, 28)
var N5 = Math.pow(2, 35)
var N6 = Math.pow(2, 42)
var N7 = Math.pow(2, 49)
var N8 = Math.pow(2, 56)
var N9 = Math.pow(2, 63)

module.exports = function (value) {
  return (
    value < N1 ? 1
  : value < N2 ? 2
  : value < N3 ? 3
  : value < N4 ? 4
  : value < N5 ? 5
  : value < N6 ? 6
  : value < N7 ? 7
  : value < N8 ? 8
  : value < N9 ? 9
  :              10
  )
}

},{}],30:[function(require,module,exports){
/*
	ISC License

Permission to use, copy, modify, and/or distribute this software for any
	purpose with or without fee is hereby granted, provided that the above
	copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

const CID = require('cids');

/**
 * Take any ipfsHash and convert it to a CID v1 encoded in base32.
 * @param {string} ipfsHash a regular ipfs hash either a cid v0 or v1 (v1 will remain unchanged)
 * @return {string} the resulting ipfs hash as a cid v1
 */
const cidV0ToV1Base32 = (ipfsHash) => {
	let cid = new CID(ipfsHash);
	if (cid.version === 0) {
		cid = cid.toV1();
	}
	return cid.toString('base32');
}

exports.cidV0ToV1Base32 = cidV0ToV1Base32;

},{"cids":6}],31:[function(require,module,exports){
/*
	ISC License

const multiC = require('multicodec');

const { hexStringToBuffer, profiles } = require('./profiles');
const { cidV0ToV1Base32 } = require('./helpers');

module.exports = {

//export some helpers functions
	helpers: {
		cidV0ToV1Base32,
	},

/**
	* Decode a Content Hash.
	* @param {string} hash an hex string containing a content hash
	* @return {string} the decoded content
	*/
	decode: function (contentHash) {
		const buffer = hexStringToBuffer(contentHash);
		const codec = multiC.getCodec(buffer);
		const value = multiC.rmPrefix(buffer);
		let profile = profiles[codec];
		if (!profile) profile = profiles['default'];
		return profile.decode(value);
	},

/**
	* Encode an IPFS address into a content hash
	* @param {string} ipfsHash string containing an IPFS address
	* @return {string} the resulting content hash
	*/
	fromIpfs: function (ipfsHash) {
		return this.encode('ipfs-ns', ipfsHash);
	},

/**
	* Encode a Swarm address into a content hash
	* @param {string} swarmHash string containing a Swarm address
	* @return {string} the resulting content hash
	*/
	fromSwarm: function (swarmHash) {
		return this.encode('swarm-ns', swarmHash);
	},

/**
	* General purpose encoding function
  * @param {string} codec 
  * @param {string} value 
  */
	encode: function (codec, value) {
		let profile = profiles[codec];
		if (!profile) profile = profiles['default'];
		const encodedValue = profile.encode(value);
		return multiC.addPrefix(codec, encodedValue).toString('hex');
	},

/**
	* Extract the codec of a content hash
	* @param {string} hash hex string containing a content hash
	* @return {string} the extracted codec
	*/
	getCodec: function (hash) {
		let buffer = hexStringToBuffer(hash);
		return multiC.getCodec(buffer);
	},
}

},{"./helpers":30,"./profiles":32,"multicodec":18}],32:[function(require,module,exports){
(function (Buffer){
/*
	ISC License

const CID = require('cids');
const multiH = require('multihashes');

/**
 * Convert an hexadecimal string to a Buffer, the string can start with or without '0x'
 * @param {string} hex an hexadecimal value
 * @return {Buffer} the resulting Buffer
 */
const hexStringToBuffer = (hex) => {
	let prefix = hex.slice(0, 2);
	let value = hex.slice(2);
	let res = '';
	if (prefix === '0x') res = value;
	else res = hex;
	return multiH.fromHexString(res);
}

/**
* list of known encoding,
* encoding should be a function that takes a `string` input,
* and return a `Buffer` result
*/
const encodes = {
  /**
  * @param {string} value
  * @return {Buffer}
  */
  swarm: (value) => {
    const multihash = multiH.encode(hexStringToBuffer(value), 'keccak-256');
		return new CID(1, 'swarm-manifest', multihash).buffer;
  },
  /**
  * @param {string} value
  * @return {Buffer}
  */
  ipfs: (value) => {
    const multihash = multiH.fromB58String(value);
    return new CID(1, 'dag-pb', multihash).buffer;
  },
  /**
  * @param {string} value
  * @return {Buffer}
  */
  utf8: (value) => {
    return Buffer.from(value, 'utf8');
  },
};

/** 
* list of known decoding,
* decoding should be a function that takes a `Buffer` input,
* and return a `string` result
*/
const decodes = {
  /**
  * @param {Buffer} value 
  */
  hexMultiHash: (value) => {
    const cid = new CID(value);
    return multiH.decode(cid.multihash).digest.toString('hex');
  },
  /**
  * @param {Buffer} value 
  */
  b58MultiHash: (value) => {
    const cid = new CID(value);
    return multiH.toB58String(cid.multihash);
  },
  /**
  * @param {Buffer} value 
  */
  utf8: (value) => {
    return value.toString('utf8');
  },
};

/**
* list of known encoding/decoding for a given codec,
* `encode` should be chosen among the `encodes` functions
* `decode` should be chosen among the `decodes` functions
*/
const profiles = {
  'swarm-ns': {
    encode: encodes.swarm,
    decode: decodes.hexMultiHash,
  },
  'ipfs-ns': {
    encode: encodes.ipfs,
    decode: decodes.b58MultiHash,
  },
  'ipns-ns': {
    encode: encodes.ipfs,
    decode: decodes.b58MultiHash,
  },
  'default': {
    encode: encodes.utf8,
    decode: decodes.utf8,
  },
};

exports.hexStringToBuffer = hexStringToBuffer;
exports.profiles = profiles;
}).call(this,require("buffer").Buffer)
},{"buffer":4,"cids":6,"multihashes":24}]},{},[31])(31)
});

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