refactor get provider

src/blockchain/blockchain.js

@@ -34,7 +34,7 @@ class Blockchain {
         this.executionContext.detectNetwork(cb)
       },
       personalMode: () => {
-        return this.executionContext.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false
+        return this.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false
       }
     }, this.executionContext)
     this.executionContext.event.register('contextChanged', this.resetEnvironment.bind(this))
@@ -66,7 +66,7 @@ class Blockchain {
   }
 
   getCurrentProvider () {
-    const provider = this.executionContext.getProvider()
+    const provider = this.getProvider()
     return this.providers[provider]
   }
 
@@ -199,10 +199,6 @@ class Blockchain {
     return this.executionContext.setProviderFromEndpoint(target, context, cb)
   }
 
-  getProvider () {
-    return this.executionContext.getProvider()
-  }
-
   updateNetwork (cb) {
     this.networkcallid++
     ((callid) => {
@@ -221,14 +217,18 @@ class Blockchain {
     return this.executionContext.detectNetwork(cb)
   }
 
+  getProvider () {
+    return this.executionContext.getProvider()
+  }
+
   isWeb3Provider () {
-    const isVM = this.executionContext.isVM()
-    const isInjected = this.executionContext.getProvider() === 'injected'
+    const isVM = this.getProvider === 'vm'
+    const isInjected = this.getProvider() === 'injected'
     return (!isVM && !isInjected)
   }
 
   isInjectedWeb3 () {
-    return this.executionContext.getProvider() === 'injected'
+    return this.getProvider() === 'injected'
   }
 
   signMessage (message, account, passphrase, cb) {
@@ -263,13 +263,6 @@ class Blockchain {
         if (error) {
           return logCallback(`${logMsg} errored: ${error} `)
         }
-        const isVM = this.executionContext.isVM()
-        if (isVM) {
-          const vmError = txExecution.checkVMError(txResult)
-          if (vmError.error) {
-            return logCallback(`${logMsg} errored: ${vmError.message} `)
-          }
-        }
         if (lookupOnly) {
           const returnValue = (this.executionContext.isVM() ? txResult.result.execResult.returnValue : ethJSUtil.toBuffer(txResult.result))
           outputCb(returnValue)
@@ -322,7 +315,7 @@ class Blockchain {
         this.executionContext.detectNetwork(cb)
       },
       personalMode: () => {
-        return this.executionContext.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false
+        return this.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false
       }
     }, this.executionContext)
     this.txRunner.event.register('transactionBroadcasted', (txhash) => {
@@ -338,7 +331,7 @@ class Blockchain {
    * @param {{privateKey: string, balance: string}} newAccount The new account to create
    */
   createVMAccount (newAccount) {
-    if (this.executionContext.getProvider() !== 'vm') {
+    if (this.getProvider() !== 'vm') {
       throw new Error('plugin API does not allow creating a new account through web3 connection. Only vm mode is allowed')
     }
     return this.providers.vm.createVMAccount(newAccount)
@@ -368,6 +361,14 @@ class Blockchain {
   callFunction (to, data, funAbi, confirmationCb, continueCb, promptCb, callback) {
     const useCall = funAbi.stateMutability === 'view' || funAbi.stateMutability === 'pure'
     this.runTx({to, data, useCall}, confirmationCb, continueCb, promptCb, (error, txResult) => {
+      const isVM = this.executionContext.isVM()
+      if (isVM) {
+        const vmError = txExecution.checkVMError(txResult)
+        if (vmError.error) {
+          return callback(vmError.message)
+        }
+      }
+
       // see universaldapp.js line 660 => 700 to check possible values of txResult (error case)
       callback(error, txResult)
     })

src/blockchain/providers/injected.js

@@ -40,6 +40,10 @@ class InjectedProvider {
       cb(e.message)
     }
   }
+
+  getProvider () {
+    return 'injected'
+  }
 }
 
 module.exports = InjectedProvider

src/blockchain/providers/node.js

@@ -49,6 +49,10 @@ class NodeProvider {
       cb(e.message)
     }
   }
+
+  getProvider () {
+    return this.executionContext.getProvider()
+  }
 }
 
 module.exports = NodeProvider

src/blockchain/providers/vm.js

@@ -83,6 +83,10 @@ class VMProvider {
       cb(e.message)
     }
   }
+
+  getProvider () {
+    return 'vm'
+  }
 }
 
 module.exports = VMProvider