move createvmaccount and newaccount to their own providers

src/blockchain/blockchain.js

@@ -375,31 +375,15 @@ class Blockchain {
    * Create a VM Account
    * @param {{privateKey: string, balance: string}} newAccount The new account to create
    */
-  createVMAccount (newAccount) {
-    const { privateKey, balance } = newAccount
+  createVMAccount(newAccount) {
     if (this.executionContext.getProvider() !== 'vm') {
       throw new Error('plugin API does not allow creating a new account through web3 connection. Only vm mode is allowed')
     }
-    this.providers.vm._addAccount(privateKey, balance)
-    const privKey = Buffer.from(privateKey, 'hex')
-    return '0x' + privateToAddress(privKey).toString('hex')
+    return this.providers.vm.createVMAccount(newAccount)
   }
 
   newAccount (_password, passwordPromptCb, cb) {
-    if (this.executionContext.isVM()) {
-      let privateKey
-      do {
-        privateKey = crypto.randomBytes(32)
-      } while (!isValidPrivate(privateKey))
-      this.providers.vm._addAccount(privateKey, '0x56BC75E2D63100000')
-      return cb(null, '0x' + privateToAddress(privateKey).toString('hex'))
-    }
-    if (!this.config.get('settings/personal-mode')) {
-      return cb('Not running in personal mode')
-    }
-    passwordPromptCb((passphrase) => {
-      this.executionContext.web3().personal.newAccount(passphrase, cb)
-    })
+    return this.getCurrentProvider().newAccount(passwordPromptCb, cb)
   }
 
   /** Get the balance of an address, and convert wei to ether */

src/blockchain/providers/injected.js

@@ -10,6 +10,12 @@ class InjectedProvider {
     return this.executionContext.web3().eth.getAccounts(cb)
   }
 
+  newAccount(passwordPromptCb, cb) {
+    passwordPromptCb((passphrase) => {
+      this.executionContext.web3().personal.newAccount(passphrase, cb)
+    })
+  }
+
   resetEnvironment () {
   }
 

src/blockchain/providers/node.js

@@ -14,6 +14,15 @@ class NodeProvider {
     return this.executionContext.web3().eth.getAccounts(cb)
   }
 
+  newAccount(passwordPromptCb, cb) {
+    if (!this.config.get('settings/personal-mode')) {
+      return cb('Not running in personal mode')
+    }
+    passwordPromptCb((passphrase) => {
+      this.executionContext.web3().personal.newAccount(passphrase, cb)
+    })
+  }
+
   resetEnvironment () {
   }
 

src/blockchain/providers/vm.js

@@ -43,6 +43,22 @@ class VMProvider {
     this.accounts[toChecksumAddress('0x' + address.toString('hex'))] = { privateKey, nonce: 0 }
   }
 
+  createVMAccount (passwordPromptCb, cb) {
+    const { privateKey, balance } = newAccount
+    this._addAccount(privateKey, balance)
+    const privKey = Buffer.from(privateKey, 'hex')
+    return '0x' + privateToAddress(privKey).toString('hex')
+  }
+
+  newAccount(_passwordPromptCb, cb) {
+    let privateKey
+    do {
+      privateKey = crypto.randomBytes(32)
+    } while (!isValidPrivate(privateKey))
+    this.providers.vm._addAccount(privateKey, '0x56BC75E2D63100000')
+    return cb(null, '0x' + privateToAddress(privateKey).toString('hex'))
+  }
+
   getBalanceInEther (address, cb) {
     address = stripHexPrefix(address)