Add missing type definitions

8 files changed, 11 insertions, 11 deletions

diff --git a/packages/subproviders/src/subproviders/base_wallet_subprovider.ts b/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
index f68d7eb29..a04be68e1 100644
--- a/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
+++ b/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
@@ -8,13 +8,13 @@ import { Callback, ErrorCallback, PartialTxParams, ResponseWithTxParams, WalletS
 import { Subprovider } from './subprovider';
 
 export abstract class BaseWalletSubprovider extends Subprovider {
-    protected static _validateTxParams(txParams: PartialTxParams) {
+    protected static _validateTxParams(txParams: PartialTxParams): void {
         if (!_.isUndefined(txParams.to)) {
             assert.isETHAddressHex('to', txParams.to);
         }
         assert.isHexString('nonce', txParams.nonce);
     }
-    private static _validateSender(sender: string) {
+    private static _validateSender(sender: string): void {
         if (_.isUndefined(sender) || !addressUtils.isAddress(sender)) {
             throw new Error(WalletSubproviderErrors.SenderInvalidOrNotSupplied);
         }
@@ -33,7 +33,7 @@ export abstract class BaseWalletSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:async-suffix
-    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback): Promise<void> {
         let accounts;
         let txParams;
         switch (payload.method) {
diff --git a/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts b/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
index 8f152dc0a..bd7a4b6d9 100644
--- a/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
+++ b/packages/subproviders/src/subproviders/empty_wallet_subprovider.ts
@@ -18,7 +18,7 @@ export class EmptyWalletSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method async-suffix
-    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback): Promise<void> {
         switch (payload.method) {
             case 'eth_accounts':
                 end(null, []);
diff --git a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
index 54fd7bcb9..6c49f20cf 100644
--- a/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
+++ b/packages/subproviders/src/subproviders/fake_gas_estimate_subprovider.ts
@@ -32,7 +32,7 @@ export class FakeGasEstimateSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method async-suffix
-    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback): Promise<void> {
         switch (payload.method) {
             case 'eth_estimateGas':
                 end(null, this._constantGasAmount);
diff --git a/packages/subproviders/src/subproviders/ganache.ts b/packages/subproviders/src/subproviders/ganache.ts
index debd7ecf0..9ab764048 100644
--- a/packages/subproviders/src/subproviders/ganache.ts
+++ b/packages/subproviders/src/subproviders/ganache.ts
@@ -28,7 +28,7 @@ export class GanacheSubprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method async-suffix
-    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback): Promise<void> {
         this._ganacheProvider.sendAsync(payload, (err: Error | null, result: any) => {
             end(err, result && result.result);
         });
diff --git a/packages/subproviders/src/subproviders/injected_web3.ts b/packages/subproviders/src/subproviders/injected_web3.ts
index 3ca0c4bd0..73b870cd5 100644
--- a/packages/subproviders/src/subproviders/injected_web3.ts
+++ b/packages/subproviders/src/subproviders/injected_web3.ts
@@ -31,7 +31,7 @@ export class InjectedWeb3Subprovider extends Subprovider {
      * @param end Callback to call if subprovider handled the request and wants to pass back the request.
      */
     // tslint:disable-next-line:prefer-function-over-method async-suffix
-    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback) {
+    public async handleRequest(payload: JSONRPCRequestPayload, next: Callback, end: ErrorCallback): Promise<void> {
         switch (payload.method) {
             case 'web3_clientVersion':
                 this._injectedWeb3.version.getNode(end);
diff --git a/packages/subproviders/src/subproviders/ledger.ts b/packages/subproviders/src/subproviders/ledger.ts
index 563e5a56a..347eda55f 100644
--- a/packages/subproviders/src/subproviders/ledger.ts
+++ b/packages/subproviders/src/subproviders/ledger.ts
@@ -74,7 +74,7 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
      * Set a desired derivation path when computing the available user addresses
      * @param basDerivationPath The desired derivation path (e.g `44'/60'/0'`)
      */
-    public setPath(basDerivationPath: string) {
+    public setPath(basDerivationPath: string): void {
         this._baseDerivationPath = basDerivationPath;
     }
     /**
@@ -192,7 +192,7 @@ export class LedgerSubprovider extends BaseWalletSubprovider {
         this._connectionLock.release();
         return ledgerEthereumClient;
     }
-    private async _destroyLedgerClientAsync() {
+    private async _destroyLedgerClientAsync(): Promise<void> {
         await this._connectionLock.acquire();
         if (_.isUndefined(this._ledgerClientIfExists)) {
             this._connectionLock.release();
diff --git a/packages/subproviders/src/subproviders/mnemonic_wallet.ts b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
index 080bfeb4c..f29864a74 100644
--- a/packages/subproviders/src/subproviders/mnemonic_wallet.ts
+++ b/packages/subproviders/src/subproviders/mnemonic_wallet.ts
@@ -56,7 +56,7 @@ export class MnemonicWalletSubprovider extends BaseWalletSubprovider {
      * Set a desired derivation path when computing the available user addresses
      * @param baseDerivationPath The desired derivation path (e.g `44'/60'/0'`)
      */
-    public setPath(baseDerivationPath: string) {
+    public setPath(baseDerivationPath: string): void {
         this._baseDerivationPath = baseDerivationPath;
         this._derivedKeyInfo = this._initialDerivedKeyInfo(this._baseDerivationPath);
     }
diff --git a/packages/subproviders/src/subproviders/subprovider.ts b/packages/subproviders/src/subproviders/subprovider.ts
index 2118f52c8..56d2381a0 100644
--- a/packages/subproviders/src/subproviders/subprovider.ts
+++ b/packages/subproviders/src/subproviders/subprovider.ts
@@ -11,7 +11,7 @@ export abstract class Subprovider {
     // tslint:disable-next-line:underscore-private-and-protected
     private engine: any;
     // Ported from: https://github.com/MetaMask/provider-engine/blob/master/util/random-id.js
-    private static _getRandomId() {
+    private static _getRandomId(): number {
         const extraDigits = 3;
         // 13 time digits
         const datePart = new Date().getTime() * Math.pow(10, extraDigits);