fix: remove node globals (#42)

Related to ipfs/js-ipfs#2924

package.json

@@ -52,14 +52,14 @@
     "sinon": "^9.0.0"
   },
   "dependencies": {
-    "bs58": "^4.0.1",
     "debug": "^4.1.1",
     "err-code": "^2.0.0",
     "it-length-prefixed": "^3.0.0",
     "it-pipe": "^1.0.1",
     "it-pushable": "^1.3.2",
     "libp2p-crypto": "~0.17.0",
     "libp2p-interfaces": "^0.3.0",
+    "multibase": "^0.7.0",
     "peer-id": "~0.13.3",
     "protons": "^1.0.1"
   },

src/message/sign.js

@@ -1,5 +1,5 @@
 'use strict'
-
+const { Buffer } = require('buffer')
 const PeerId = require('peer-id')
 const { Message } = require('./index')
 const SignPrefix = Buffer.from('libp2p-pubsub:')

src/utils.js

@@ -1,7 +1,8 @@
 'use strict'
 
+const { Buffer } = require('buffer')
 const crypto = require('libp2p-crypto')
-const bs58 = require('bs58')
+const multibase = require('multibase')
 
 exports = module.exports
 
@@ -77,7 +78,7 @@ exports.ensureArray = (maybeArray) => {
 exports.normalizeInRpcMessage = (message) => {
   const m = Object.assign({}, message)
   if (Buffer.isBuffer(message.from)) {
-    m.from = bs58.encode(message.from)
+    m.from = multibase.encode('base58btc', message.from).toString().slice(1)
   }
   return m
 }
@@ -97,7 +98,7 @@ exports.normalizeInRpcMessages = (messages) => {
 exports.normalizeOutRpcMessage = (message) => {
   const m = Object.assign({}, message)
   if (typeof message.from === 'string' || message.from instanceof String) {
-    m.from = bs58.decode(message.from)
+    m.from = multibase.decode('z' + message.from)
   }
   return m
 }

test/sign.spec.js

@@ -2,6 +2,7 @@
 /* eslint max-nested-callbacks: ["error", 5] */
 'use strict'
 
+const { Buffer } = require('buffer')
 const chai = require('chai')
 chai.use(require('dirty-chai'))
 const expect = chai.expect

test/utils.spec.js

@@ -2,7 +2,7 @@
 'use strict'
 
 const { expect } = require('chai')
-
+const { Buffer } = require('buffer')
 const utils = require('../src/utils')
 
 describe('utils', () => {