3 files changed, 27 insertions, 3 deletions
diff --git a/packages/subproviders/CHANGELOG.json b/packages/subproviders/CHANGELOG.json
index 65a74f7a8..c4dca2864 100644
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@@ -1,5 +1,13 @@
 [
     {
+        "version": "0.11.0",
+        "changes": [
+            {
+                "note": "Add `EthLightwalletSubprovider`"
+            }
+        ]
+    },
+    {
         "timestamp": 1529397769,
         "version": "0.10.4",
         "changes": [
diff --git a/packages/subproviders/src/subproviders/eth_lightwallet.ts b/packages/subproviders/src/subproviders/eth_lightwallet.ts
index af4ea77e9..fedcc9578 100644
--- a/packages/subproviders/src/subproviders/eth_lightwallet.ts
+++ b/packages/subproviders/src/subproviders/eth_lightwallet.ts
@@ -57,7 +57,12 @@ export class EthLightwalletSubprovider extends BaseWalletSubprovider {
 
         const tx = new EthereumTx(txParams);
         const txHex = tx.serialize().toString('hex');
-        let signedTxHex: string = this._signing.signTx(this._keystore, this._pwDerivedKey, txHex, txParams.from);
+        let signedTxHex: string = this._signing.signTx(
+            this._keystore,
+            this._pwDerivedKey,
+            txHex,
+            txParams.from,
+        );
 
         signedTxHex = `0x${signedTxHex}`;
 
@@ -79,7 +84,12 @@ export class EthLightwalletSubprovider extends BaseWalletSubprovider {
         }
         assert.isHexString('data', data);
         assert.isETHAddressHex('address', address);
-        const result: ECSignatureBuffer = this._signing.signMsgHash(this._keystore, this._pwDerivedKey, data, address);
+        const result: ECSignatureBuffer = await this._signing.signMsgHash(
+            this._keystore,
+            this._pwDerivedKey,
+            data,
+            address,
+        );
 
         const signature = this._signing.concatSig(result);
 
diff --git a/packages/typescript-typings/types/eth-lightwallet/index.d.ts b/packages/typescript-typings/types/eth-lightwallet/index.d.ts
index d31e67fc4..b871fb289 100644
--- a/packages/typescript-typings/types/eth-lightwallet/index.d.ts
+++ b/packages/typescript-typings/types/eth-lightwallet/index.d.ts
@@ -3,7 +3,12 @@ declare module 'eth-lightwallet' {
     import { ECSignatureBuffer } from '@0xproject/types';
 
     interface signing {
-        signTx(keystore: keystore, pwDerivedKey: Uint8Array, rawTx: string, signingAddress: string): string;
+        signTx(
+            keystore: keystore,
+            pwDerivedKey: Uint8Array,
+            rawTx: string,
+            signingAddress: string,
+        ): string;
         signMsg(
             keystore: keystore,
             pwDerivedKey: Uint8Array,
@@ -26,6 +31,7 @@ declare module 'eth-lightwallet' {
         salt?: string;
         hdPathString: string;
     }
+
     export class keystore {
         public static createVault(
             options: VaultOptions,