From 126048bac9f52871b841d9898cabe7cfd265ebb6 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 15 Dec 2017 13:58:30 +0100
Subject: Fix connect unused vars

---
 packages/subproviders/src/subproviders/ledger.ts      | 15 ---------------
 packages/subproviders/src/subproviders/subprovider.ts |  4 ----
 packages/subproviders/src/types.ts                    |  1 -
 3 files changed, 20 deletions(-)

(limited to 'packages/subproviders/src')

diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 578f6ff6f..9ffc105a4 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -1,9 +1,7 @@
 import {assert} from '@0xproject/assert';
 import {addressUtils} from '@0xproject/utils';
-import promisify = require('es6-promisify');
 import EthereumTx = require('ethereumjs-tx');
 import ethUtil = require('ethereumjs-util');
-import * as ledger from 'ledgerco';
 import * as _ from 'lodash';
 import Semaphore from 'semaphore-async-await';
 import Web3 = require('web3');
@@ -23,7 +21,6 @@ const DEFAULT_DERIVATION_PATH = `44'/60'/0'`;
 const NUM_ADDRESSES_TO_FETCH = 10;
 const ASK_FOR_ON_DEVICE_CONFIRMATION = false;
 const SHOULD_GET_CHAIN_CODE = false;
-const HEX_REGEX = /^[0-9A-Fa-f]+$/g;
 
 export class LedgerSubprovider extends Subprovider {
     private _nonceLock: Semaphore;
@@ -34,18 +31,6 @@ export class LedgerSubprovider extends Subprovider {
     private _ledgerEthereumClientFactoryAsync: LedgerEthereumClientFactoryAsync;
     private _ledgerClientIfExists?: LedgerEthereumClient;
     private _shouldAlwaysAskForConfirmation: boolean;
-    private static isValidHex(data: string) {
-        if (!_.isString(data)) {
-            return false;
-        }
-        const isHexPrefixed = data.slice(0, 2) === '0x';
-        if (!isHexPrefixed) {
-            return false;
-        }
-        const nonPrefixed = data.slice(2);
-        const isValid = nonPrefixed.match(HEX_REGEX);
-        return isValid;
-    }
     private static validateSender(sender: string) {
         if (_.isUndefined(sender) || !addressUtils.isAddress(sender)) {
             throw new Error(LedgerSubproviderErrors.SenderInvalidOrNotSupplied);
diff --git a/packages/subproviders/src/subproviders/subprovider.ts b/packages/subproviders/src/subproviders/subprovider.ts
index 64d97b958..41dde4238 100644
--- a/packages/subproviders/src/subproviders/subprovider.ts
+++ b/packages/subproviders/src/subproviders/subprovider.ts
@@ -11,7 +11,6 @@ import {
  */
 export class Subprovider {
     private engine: any;
-    private currentBlock: any;
     // Ported from: https://github.com/MetaMask/provider-engine/blob/master/util/random-id.js
     private static getRandomId() {
         const extraDigits = 3;
@@ -34,9 +33,6 @@ export class Subprovider {
     }
     public setEngine(engine: any): void {
         this.engine = engine;
-        engine.on('block', (block: any) => {
-            this.currentBlock = block;
-        });
     }
     public async emitPayloadAsync(payload: JSONRPCPayload): Promise<any> {
         const finalPayload = Subprovider.createFinalPayload(payload);
diff --git a/packages/subproviders/src/types.ts b/packages/subproviders/src/types.ts
index 38dc1e67e..1e7d3eab0 100644
--- a/packages/subproviders/src/types.ts
+++ b/packages/subproviders/src/types.ts
@@ -1,5 +1,4 @@
 import * as _ from 'lodash';
-import * as Web3 from 'web3';
 
 export interface LedgerCommunicationClient {
     close_async: () => Promise<void>;
-- 
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