useEmptyPassphrase for device without instance

src/js/actions/DiscoveryActions.js

@@ -140,9 +140,10 @@ const begin = (device: TrezorDevice, network: string): AsyncAction => {
                 path: device.path,
                 instance: device.instance,
                 state: device.state
-            }, 
+            },
             path: coinToDiscover.bip44, 
-            keepSession: true // acquire and hold session
+            keepSession: true, // acquire and hold session
+            useEmptyPassphrase: !device.instance,
         });
 
         // handle TREZOR response error
@@ -214,7 +215,8 @@ const discoverAccount = (device: TrezorDevice, discoveryProcess: Discovery): Asy
             },
             path,
             showOnTrezor: false,
-            keepSession: true
+            keepSession: true,
+            useEmptyPassphrase: !device.instance,
         });
         if (discoveryProcess.interrupted) return;
 
@@ -312,7 +314,8 @@ const discoverAccount = (device: TrezorDevice, discoveryProcess: Discovery): Asy
                     instance: device.instance,
                     state: device.state
                 },
-                keepSession: false
+                keepSession: false,
+                useEmptyPassphrase: !device.instance,
             });
             if (discoveryProcess.interrupted) return;
 

src/js/actions/ReceiveActions.js

@@ -73,6 +73,7 @@ export const showAddress = (address_n: Array<number>): AsyncAction => {
                 state: selected.state
             },
             path: address_n,
+            useEmptyPassphrase: !selected.instance,
         });
 
         if (response && response.success) {

src/js/actions/SendFormActions.js

@@ -902,7 +902,7 @@ export const onSend = (): AsyncAction => {
                 instance: selected.instance,
                 state: selected.state
             },
-            //path: "m/44'/60'/0'/0/0",
+            useEmptyPassphrase: !selected.instance,
             path: txData.address_n,
             nonce: strip(txData.nonce),
             gasPrice: strip(txData.gasPrice),

src/js/actions/TrezorConnectActions.js

@@ -292,7 +292,8 @@ export const getSelectedDeviceState = (): AsyncAction => {
                     path: selected.path,
                     instance: selected.instance,
                     state: selected.state
-                }
+                },
+                useEmptyPassphrase: !selected.instance,
             });
 
             if (response && response.success) {
@@ -383,7 +384,8 @@ export function acquire(): AsyncAction {
         const response = await TrezorConnect.getFeatures({ 
             device: {
                 path: selected.path,
-            }
+            },
+            useEmptyPassphrase: !selected.instance,
         });
 
         if (!response.success) {