Fix tslint issues

14 files changed, 35 insertions, 35 deletions

diff --git a/packages/subproviders/src/subproviders/eth_lightwallet_subprovider.ts b/packages/subproviders/src/subproviders/eth_lightwallet_subprovider.ts
index a9ebbb790..454dae58e 100644
--- a/packages/subproviders/src/subproviders/eth_lightwallet_subprovider.ts
+++ b/packages/subproviders/src/subproviders/eth_lightwallet_subprovider.ts
@@ -12,8 +12,8 @@ import { PrivateKeyWalletSubprovider } from './private_key_wallet';
  * Source: https://github.com/MetaMask/provider-engine/blob/master/subproviders/subprovider.js
  */
 export class EthLightwalletSubprovider extends BaseWalletSubprovider {
-    private _keystore: lightwallet.keystore;
-    private _pwDerivedKey: Uint8Array;
+    private readonly _keystore: lightwallet.keystore;
+    private readonly _pwDerivedKey: Uint8Array;
     constructor(keystore: lightwallet.keystore, pwDerivedKey: Uint8Array) {
         super();
         this._keystore = keystore;
diff --git a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
index d750505e7..bc1b34aba 100644
--- a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
+++ b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
@@ -14,7 +14,7 @@ import { Subprovider } from './subprovider';
  * It intercepts the `eth_estimateGas` JSON RPC call and always returns a constant gas amount when queried.
  */
 export class FakeGasEstimateSubprovider extends Subprovider {
-    private _constantGasAmount: number;
+    private readonly _constantGasAmount: number;
     /**
      * Instantiates an instance of the FakeGasEstimateSubprovider
      * @param constantGasAmount The constant gas amount you want returned
diff --git a/packages/subproviders/src/subproviders/ganache.ts b/packages/subproviders/src/subproviders/ganache.ts
index 79c43bc68..986094dba 100644
--- a/packages/subproviders/src/subproviders/ganache.ts
+++ b/packages/subproviders/src/subproviders/ganache.ts
@@ -10,7 +10,7 @@ import { Subprovider } from './subprovider';
  * It intercepts all JSON RPC requests and relays them to an in-process ganache instance.
  */
 export class GanacheSubprovider extends Subprovider {
-    private _ganacheProvider: Provider;
+    private readonly _ganacheProvider: Provider;
     /**
      * Instantiates a GanacheSubprovider
      * @param opts The desired opts with which to instantiate the Ganache provider
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 8345be33c..6ad5de2e2 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -32,14 +32,14 @@ const DEFAULT_ADDRESS_SEARCH_LIMIT = 1000;
  */
 export class LedgerSubprovider extends BaseWalletSubprovider {
     // tslint:disable-next-line:no-unused-variable
-    private _nonceLock = new Lock();
-    private _connectionLock = new Lock();
-    private _networkId: number;
+    private readonly _nonceLock = new Lock();
+    private readonly _connectionLock = new Lock();
+    private readonly _networkId: number;
     private _baseDerivationPath: string;
-    private _ledgerEthereumClientFactoryAsync: LedgerEthereumClientFactoryAsync;
+    private readonly _ledgerEthereumClientFactoryAsync: LedgerEthereumClientFactoryAsync;
     private _ledgerClientIfExists?: LedgerEthereumClient;
-    private _shouldAlwaysAskForConfirmation: boolean;
-    private _addressSearchLimit: number;
+    private readonly _shouldAlwaysAskForConfirmation: boolean;
+    private readonly _addressSearchLimit: number;
     /**
      * Instantiates a LedgerSubprovider. Defaults to derivationPath set to `44'/60'/0'`.
      * TestRPC/Ganache defaults to `m/44'/60'/0'/0`, so set this in the configs if desired.
diff --git a/packages/subproviders/src/subproviders/mnemonic_wallet.ts b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
index 596300425..1495112b6 100644
--- a/packages/subproviders/src/subproviders/mnemonic_wallet.ts
+++ b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
@@ -20,10 +20,10 @@ const DEFAULT_ADDRESS_SEARCH_LIMIT = 1000;
  * all requests with accounts derived from the supplied mnemonic.
  */
 export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
-    private _addressSearchLimit: number;
+    private readonly _addressSearchLimit: number;
     private _baseDerivationPath: string;
     private _derivedKeyInfo: DerivedHDKeyInfo;
-    private _mnemonic: string;
+    private readonly _mnemonic: string;
 
     /**
      * Instantiates a MnemonicWalletSubprovider. Defaults to baseDerivationPath set to `44'/60'/0'/0`.
diff --git a/packages/subproviders/src/subproviders/nonce_tracker.ts b/packages/subproviders/src/subproviders/nonce_tracker.ts
index dcc421574..eea722aee 100644
--- a/packages/subproviders/src/subproviders/nonce_tracker.ts
+++ b/packages/subproviders/src/subproviders/nonce_tracker.ts
@@ -17,7 +17,7 @@ const NONCE_TOO_LOW_ERROR_MESSAGE = 'Transaction nonce is too low';
  * We added the additional feature of clearing the cached nonce value when a `nonce value too low` error occurs.
  */
 export class NonceTrackerSubprovider extends Subprovider {
-    private _nonceCache: { [address: string]: string } = {};
+    private readonly _nonceCache: { [address: string]: string } = {};
     private static _reconstructTransaction(payload: JSONRPCRequestPayload): EthereumTx {
         const raw = payload.params[0];
         if (_.isUndefined(raw)) {
diff --git a/packages/subproviders/src/subproviders/private_key_wallet.ts b/packages/subproviders/src/subproviders/private_key_wallet.ts
index b3f48fd90..9d6fc487e 100644
--- a/packages/subproviders/src/subproviders/private_key_wallet.ts
+++ b/packages/subproviders/src/subproviders/private_key_wallet.ts
@@ -13,8 +13,8 @@ import { BaseWalletSubprovider } from './base_wallet_subprovider';
  * all requests with the supplied Ethereum private key.
  */
 export class PrivateKeyWalletSubprovider extends BaseWalletSubprovider {
-    private _address: string;
-    private _privateKeyBuffer: Buffer;
+    private readonly _address: string;
+    private readonly _privateKeyBuffer: Buffer;
     /**
      * Instantiates a PrivateKeyWalletSubprovider.
      * @param privateKey The corresponding private key to an Ethereum address
diff --git a/packages/subproviders/src/subproviders/redundant_subprovider.ts b/packages/subproviders/src/subproviders/redundant_subprovider.ts
index a60d6706e..7aa6226d5 100644
--- a/packages/subproviders/src/subproviders/redundant_subprovider.ts
+++ b/packages/subproviders/src/subproviders/redundant_subprovider.ts
@@ -12,7 +12,7 @@ import { Subprovider } from './subprovider';
  * set of JSON RPC endpoints.
  */
 export class RedundantSubprovider extends Subprovider {
-    private _subproviders: Subprovider[];
+    private readonly _subproviders: Subprovider[];
     private static async _firstSuccessAsync(
         subproviders: Subprovider[],
         payload: JSONRPCRequestPayload,
diff --git a/packages/subproviders/src/subproviders/rpc_subprovider.ts b/packages/subproviders/src/subproviders/rpc_subprovider.ts
index 3ad0e5325..d874c6f05 100644
--- a/packages/subproviders/src/subproviders/rpc_subprovider.ts
+++ b/packages/subproviders/src/subproviders/rpc_subprovider.ts
@@ -13,8 +13,8 @@ import { Subprovider } from './subprovider';
  * It forwards on JSON RPC requests to the supplied `rpcUrl` endpoint
  */
 export class RPCSubprovider extends Subprovider {
-    private _rpcUrl: string;
-    private _requestTimeoutMs: number;
+    private readonly _rpcUrl: string;
+    private readonly _requestTimeoutMs: number;
     constructor(rpcUrl: string, requestTimeoutMs: number = 20000) {
         super();
         assert.isString('rpcUrl', rpcUrl);
diff --git a/packages/subproviders/src/subproviders/signer.ts b/packages/subproviders/src/subproviders/signer.ts
index f7329e00c..d5fd86897 100644
--- a/packages/subproviders/src/subproviders/signer.ts
+++ b/packages/subproviders/src/subproviders/signer.ts
@@ -12,7 +12,7 @@ import { Subprovider } from './subprovider';
  * are passed onwards for subsequent subproviders to handle.
  */
 export class SignerSubprovider extends Subprovider {
-    private _web3Wrapper: Web3Wrapper;
+    private readonly _web3Wrapper: Web3Wrapper;
     /**
      * Instantiates a new SignerSubprovider
      * @param provider Web3 provider that should handle  all user account related requests
diff --git a/packages/subproviders/src/utils/wallet_utils.ts b/packages/subproviders/src/utils/wallet_utils.ts
index 3748077ef..4c233645b 100644
--- a/packages/subproviders/src/utils/wallet_utils.ts
+++ b/packages/subproviders/src/utils/wallet_utils.ts
@@ -6,8 +6,8 @@ import { DerivedHDKeyInfo } from '../types';
 const DEFAULT_ADDRESS_SEARCH_LIMIT = 1000;
 
 class DerivedHDKeyInfoIterator implements IterableIterator<DerivedHDKeyInfo> {
-    private _parentDerivedKeyInfo: DerivedHDKeyInfo;
-    private _searchLimit: number;
+    private readonly _parentDerivedKeyInfo: DerivedHDKeyInfo;
+    private readonly _searchLimit: number;
     private _index: number;
 
     constructor(initialDerivedKey: DerivedHDKeyInfo, searchLimit: number = DEFAULT_ADDRESS_SEARCH_LIMIT) {
diff --git a/packages/subproviders/test/integration/ledger_subprovider_test.ts b/packages/subproviders/test/integration/ledger_subprovider_test.ts
index 103e8f952..527ee5b22 100644
--- a/packages/subproviders/test/integration/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/integration/ledger_subprovider_test.ts
@@ -176,7 +176,7 @@ describe('LedgerSubprovider', () => {
                     params: [tx],
                     id: 1,
                 };
-                await promisify(defaultProvider.sendAsync, defaultProvider)(payload);
+                await promisify(defaultProvider.sendAsync.bind(defaultProvider))(payload);
 
                 // Send transaction from Ledger
                 tx = {
diff --git a/packages/subproviders/test/unit/ledger_subprovider_test.ts b/packages/subproviders/test/unit/ledger_subprovider_test.ts
index edff5144e..a1d146dbc 100644
--- a/packages/subproviders/test/unit/ledger_subprovider_test.ts
+++ b/packages/subproviders/test/unit/ledger_subprovider_test.ts
@@ -55,7 +55,7 @@ describe('LedgerSubprovider', () => {
                     return ecSignature;
                 },
                 transport: {
-                    close: _.noop,
+                    close: _.noop.bind(_),
                 } as LedgerCommunicationClient,
             };
             // tslint:enable:no-object-literal-type-assertion
diff --git a/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts b/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
index c437d0815..05f213cf5 100644
--- a/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
+++ b/packages/subproviders/test/unit/nonce_tracker_subprovider_test.ts
@@ -60,9 +60,9 @@ describe('NonceTrackerSubprovider', () => {
 
         const payload = { ...getTransactionCountPayload, params: ['0x0', 'pending'] };
 
-        const response = await promisify<any>(provider.sendAsync, provider)(payload);
+        const response = await promisify<any>(provider.sendAsync.bind(provider))(payload);
         expect(response.result).to.be.eq('0x00');
-        const secondResponse = await promisify<any>(provider.sendAsync, provider)(payload);
+        const secondResponse = await promisify<any>(provider.sendAsync.bind(provider))(payload);
         expect(secondResponse.result).to.be.eq('0x00');
     });
     it('does not cache the result for latest transaction count', async () => {
@@ -74,9 +74,9 @@ describe('NonceTrackerSubprovider', () => {
 
         const payload = { ...getTransactionCountPayload, params: ['0x0', 'latest'] };
 
-        const response = await promisify<any>(provider.sendAsync, provider)(payload);
+        const response = await promisify<any>(provider.sendAsync.bind(provider))(payload);
         expect(response.result).to.be.eq('0x00');
-        const secondResponse = await promisify<any>(provider.sendAsync, provider)(payload);
+        const secondResponse = await promisify<any>(provider.sendAsync.bind(provider))(payload);
         expect(secondResponse.result).to.be.eq('0x99');
     });
     it('clears the cache on a Nonce Too Low Error', async () => {
@@ -103,14 +103,14 @@ describe('NonceTrackerSubprovider', () => {
             params: [transaction.serialize()],
         };
 
-        const response = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+        const response = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
         expect(response.result).to.be.eq('0x00');
-        const secondResponse = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+        const secondResponse = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
         expect(secondResponse.result).to.be.eq('0x00');
         try {
-            await promisify(provider.sendAsync, provider)(txPayload);
+            await promisify(provider.sendAsync.bind(provider))(txPayload);
         } catch (err) {
-            const thirdResponse = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+            const thirdResponse = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
             expect(thirdResponse.result).to.be.eq('0x99');
         }
     });
@@ -138,12 +138,12 @@ describe('NonceTrackerSubprovider', () => {
             params: [transaction.serialize()],
         };
 
-        const response = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+        const response = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
         expect(response.result).to.be.eq('0x00');
-        const secondResponse = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+        const secondResponse = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
         expect(secondResponse.result).to.be.eq('0x00');
-        await promisify(provider.sendAsync, provider)(txPayload);
-        const thirdResponse = await promisify<any>(provider.sendAsync, provider)(noncePayload);
+        await promisify(provider.sendAsync.bind(provider))(txPayload);
+        const thirdResponse = await promisify<any>(provider.sendAsync.bind(provider))(noncePayload);
         expect(thirdResponse.result).to.be.eq('0x01');
     });
 });