add "reconnectionAttempts" to blockchain reducer

src/reducers/BlockchainReducer.js

@@ -17,6 +17,7 @@ export type BlockchainNetwork = {
     feeLevels: Array<BlockchainFeeLevel>,
     connected: boolean,
     connecting: boolean,
+    reconnectionAttempts: number,
     block: number,
 };
 
@@ -41,30 +42,7 @@ const onStartSubscribe = (state: State, shortcut: string): State => {
             shortcut,
             connected: false,
             connecting: true,
-            block: 0,
+            reconnectionAttempts: 0,
-            feeTimestamp: 0,
-            feeLevels: [],
-        },
-    ]);
-};
-
-const onFailSubscribe = (state: State, shortcut: string): State => {
-    const network = state.find(b => b.shortcut === shortcut);
-    if (network) {
-        const others = state.filter(b => b !== network);
-        return others.concat([
-            {
-                ...network,
-                connecting: false,
-            },
-        ]);
-    }
-
-    return state.concat([
-        {
-            shortcut,
-            connected: false,
-            connecting: false,
             block: 0,
             feeTimestamp: 0,
             feeLevels: [],
@@ -84,6 +62,7 @@ const onConnect = (state: State, action: BlockchainConnect): State => {
                 block: info.block,
                 connected: true,
                 connecting: false,
+                reconnectionAttempts: 0,
             },
         ]);
     }
@@ -93,6 +72,7 @@ const onConnect = (state: State, action: BlockchainConnect): State => {
             shortcut,
             connected: true,
             connecting: false,
+            reconnectionAttempts: 0,
             block: info.block,
             feeTimestamp: 0,
             feeLevels: [],
@@ -110,6 +90,7 @@ const onError = (state: State, action: BlockchainError): State => {
                 ...network,
                 connected: false,
                 connecting: false,
+                reconnectionAttempts: network.reconnectionAttempts + 1,
             },
         ]);
     }
@@ -119,6 +100,7 @@ const onError = (state: State, action: BlockchainError): State => {
             shortcut,
             connected: false,
             connecting: false,
+            reconnectionAttempts: 0,
             block: 0,
             feeTimestamp: 0,
             feeLevels: [],
@@ -160,8 +142,6 @@ export default (state: State = initialState, action: Action): State => {
     switch (action.type) {
         case BLOCKCHAIN_ACTION.START_SUBSCRIBE:
             return onStartSubscribe(state, action.shortcut);
-        case BLOCKCHAIN_ACTION.FAIL_SUBSCRIBE:
-            return onFailSubscribe(state, action.shortcut);
         case BLOCKCHAIN_EVENT.CONNECT:
             return onConnect(state, action);
         case BLOCKCHAIN_EVENT.ERROR: