Fix rmd160 issue in Electron v4 without using crypto

package-lock.json

@@ -148,9 +148,9 @@
       "integrity": "sha512-i47mqjF9UbjxJhxGf+pZ6kSxrnI3wBLlnGI2ArWJ4r0VrvDS7ZYXkprq/pLaBWYq4GM0r4zdHY+NNRqEMU7uew=="
     },
     "bip32": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/bip32/-/bip32-1.0.3.tgz",
-      "integrity": "sha512-rY7ie/4Nmcpgx1y4kAsJJLiluGzNzz20u44LFaElLXCGq3hQjfHV11r9fHwbtquKZ4JXL7BEMCnmpCzFko4ZLA==",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/bip32/-/bip32-1.0.4.tgz",
+      "integrity": "sha512-8T21eLWylZETolyqCPgia+MNp+kY37zFr7PTFDTPObHeNi9JlfG4qGIh8WzerIJidtwoK+NsWq2I5i66YfHoIw==",
       "requires": {
         "bs58check": "^2.1.1",
         "create-hash": "^1.2.0",

package.json

@@ -31,7 +31,7 @@
   ],
   "dependencies": {
     "bech32": "^1.1.2",
-    "bip32": "^1.0.3",
+    "bip32": "^1.0.4",
     "bip66": "^1.1.0",
     "bitcoin-ops": "^1.4.0",
     "bs58check": "^2.0.0",

src/crypto.js

@@ -1,18 +1,11 @@
 const createHash = require('create-hash')
 
-let rmd160
+function ripemd160 (buffer) {
   try {
-  rmd160 = require('crypto')
-    .getHashes()
-    .includes('rmd160')
-    ? 'rmd160'
-    : 'ripemd160'
+    return createHash('rmd160').update(buffer).digest()
   } catch (err) {
-  rmd160 = 'rmd160'
+    return createHash('ripemd160').update(buffer).digest()
   }
-
-function ripemd160 (buffer) {
-  return createHash(rmd160).update(buffer).digest()
 }
 
 function sha1 (buffer) {