1 files changed, 2 insertions, 8 deletions
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts b/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
index 5e70cedad..9d54ca0c1 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/i_wallet.ts
@@ -25,12 +25,6 @@ export class IWalletContract extends BaseContract {
         > {
             const self = this as any as IWalletContract;
             const functionSignature = 'isValidSignature(bytes32,bytes)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [hash,
-        signature
-        ] = BaseContract._formatABIDataItemList(inputAbi, [hash,
-        signature
-        ], BaseContract._bigNumberToString.bind(self));
             const abiEncoder = self._lookupAbiEncoder(functionSignature);
             const encodedData = abiEncoder.encode([hash,
         signature
@@ -45,8 +39,8 @@ export class IWalletContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-                let resultArray = abiEncoder.decodeReturnValuesAsArray(rawCallResult, {structsAsObjects: true});
-                return resultArray[0];
+            let resultArray = abiEncoder.decodeReturnValuesAsArrayOrNull(rawCallResult);
+            return resultArray[0];
         },
     };
     public static async deployFrom0xArtifactAsync(