Merge branch 'development' into fix/dev-tools-pages/finalTouches

* development: (87 commits)
  Update packages/sol-tracing-utils/src/trace_collection_subprovider.ts
  Make mapping namings direct
  Remove unused tslint disable
  Revert "Remove logAsyncErrors hack"
  Remove logAsyncErrors hack
  Refactor logAsyncErrors to follow our conventions
  Export Sources and SourceCodes out of tracing utils
  Replace console.log with logUtils.log (#1515)
  strict decoding of return values using generics
  makerAssetFillAmount -> takerAssetFillAmount
  Ran prettier
  Linter
  Fix build after rebase
  Style cleanup for Compressed Calldata in Contract Wrappers PR
  Use simpler `_.find` to locate fillOrderBai
  Updated dutch auction wrapper
  Added back abi-gen-wrappers
  Renamed signatureParser.ts to signature_parser.ts
  Renamed decode rule `structsAsObjects` to `shouldConvertStructsToObjects`
  circle build failed. New commit to resubmit job.
  ...

1 files changed, 223 insertions, 606 deletions

diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts b/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
index 27f108ebc..cc42e7fb5 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/asset_proxy_owner.ts
@@ -105,15 +105,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<string
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'owners(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.owners;
-            const encodedData = ethersFunction.encode([index_0
+            const encodedData = self._strictEncodeArguments('owners(uint256)', [index_0
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -125,11 +117,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'owners'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('owners(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public removeOwner = {
@@ -138,13 +131,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('removeOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner
-    ]);
-            const encodedData = self._lookupEthersInterface('removeOwner(address)').functions.removeOwner.encode([owner
+            const encodedData = self._strictEncodeArguments('removeOwner(address)', [owner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -166,11 +153,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('removeOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('removeOwner(address)').functions.removeOwner.encode([owner
+            const encodedData = self._strictEncodeArguments('removeOwner(address)', [owner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -187,11 +170,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             owner: string,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('removeOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('removeOwner(address)').functions.removeOwner.encode([owner
+            const abiEncodedTransactionData = self._strictEncodeArguments('removeOwner(address)', [owner
     ]);
             return abiEncodedTransactionData;
         },
@@ -202,15 +181,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'removeOwner(address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [owner
-        ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.removeOwner;
-            const encodedData = ethersFunction.encode([owner
+            const encodedData = self._strictEncodeArguments('removeOwner(address)', [owner
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -222,11 +193,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'removeOwner'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('removeOwner(address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public revokeConfirmation = {
@@ -235,13 +207,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('revokeConfirmation(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-    ]);
-            const encodedData = self._lookupEthersInterface('revokeConfirmation(uint256)').functions.revokeConfirmation.encode([transactionId
+            const encodedData = self._strictEncodeArguments('revokeConfirmation(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -263,11 +229,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('revokeConfirmation(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('revokeConfirmation(uint256)').functions.revokeConfirmation.encode([transactionId
+            const encodedData = self._strictEncodeArguments('revokeConfirmation(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -284,11 +246,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             transactionId: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('revokeConfirmation(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('revokeConfirmation(uint256)').functions.revokeConfirmation.encode([transactionId
+            const abiEncodedTransactionData = self._strictEncodeArguments('revokeConfirmation(uint256)', [transactionId
     ]);
             return abiEncodedTransactionData;
         },
@@ -299,15 +257,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'revokeConfirmation(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.revokeConfirmation;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('revokeConfirmation(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -319,11 +269,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'revokeConfirmation'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('revokeConfirmation(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public isOwner = {
@@ -334,15 +285,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<boolean
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'isOwner(address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.isOwner;
-            const encodedData = ethersFunction.encode([index_0
+            const encodedData = self._strictEncodeArguments('isOwner(address)', [index_0
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -354,11 +297,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'isOwner'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('isOwner(address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<boolean
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public confirmations = {
@@ -370,18 +314,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<boolean
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'confirmations(uint256,address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0,
-        index_1
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0,
-        index_1
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0,
-        index_1
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.confirmations;
-            const encodedData = ethersFunction.encode([index_0,
+            const encodedData = self._strictEncodeArguments('confirmations(uint256,address)', [index_0,
         index_1
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -394,11 +327,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'confirmations'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('confirmations(uint256,address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<boolean
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public executeRemoveAuthorizedAddressAtIndex = {
@@ -407,13 +341,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeRemoveAuthorizedAddressAtIndex(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-    ]);
-            const encodedData = self._lookupEthersInterface('executeRemoveAuthorizedAddressAtIndex(uint256)').functions.executeRemoveAuthorizedAddressAtIndex.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeRemoveAuthorizedAddressAtIndex(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -435,11 +363,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeRemoveAuthorizedAddressAtIndex(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('executeRemoveAuthorizedAddressAtIndex(uint256)').functions.executeRemoveAuthorizedAddressAtIndex.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeRemoveAuthorizedAddressAtIndex(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -456,11 +380,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             transactionId: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeRemoveAuthorizedAddressAtIndex(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('executeRemoveAuthorizedAddressAtIndex(uint256)').functions.executeRemoveAuthorizedAddressAtIndex.encode([transactionId
+            const abiEncodedTransactionData = self._strictEncodeArguments('executeRemoveAuthorizedAddressAtIndex(uint256)', [transactionId
     ]);
             return abiEncodedTransactionData;
         },
@@ -471,15 +391,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'executeRemoveAuthorizedAddressAtIndex(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.executeRemoveAuthorizedAddressAtIndex;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeRemoveAuthorizedAddressAtIndex(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -491,11 +403,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'executeRemoveAuthorizedAddressAtIndex'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('executeRemoveAuthorizedAddressAtIndex(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public secondsTimeLocked = {
@@ -505,12 +418,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'secondsTimeLocked()';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [] = BaseContract._formatABIDataItemList(inputAbi, [], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, []);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.secondsTimeLocked;
-            const encodedData = ethersFunction.encode([]);
+            const encodedData = self._strictEncodeArguments('secondsTimeLocked()', []);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
                     to: self.address,
@@ -521,11 +429,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'secondsTimeLocked'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('secondsTimeLocked()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public getTransactionCount = {
@@ -537,18 +446,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'getTransactionCount(bool,bool)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [pending,
-        executed
-        ] = BaseContract._formatABIDataItemList(inputAbi, [pending,
-        executed
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [pending,
-        executed
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.getTransactionCount;
-            const encodedData = ethersFunction.encode([pending,
+            const encodedData = self._strictEncodeArguments('getTransactionCount(bool,bool)', [pending,
         executed
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -561,11 +459,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'getTransactionCount'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('getTransactionCount(bool,bool)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public registerAssetProxy = {
@@ -575,16 +474,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('registerAssetProxy(address,bool)').inputs;
-            [assetProxyContract,
-    isRegistered
-    ] = BaseContract._formatABIDataItemList(inputAbi, [assetProxyContract,
-    isRegistered
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [assetProxyContract,
-    isRegistered
-    ]);
-            const encodedData = self._lookupEthersInterface('registerAssetProxy(address,bool)').functions.registerAssetProxy.encode([assetProxyContract,
+            const encodedData = self._strictEncodeArguments('registerAssetProxy(address,bool)', [assetProxyContract,
     isRegistered
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -609,13 +499,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('registerAssetProxy(address,bool)').inputs;
-            [assetProxyContract,
-    isRegistered
-    ] = BaseContract._formatABIDataItemList(inputAbi, [assetProxyContract,
-    isRegistered
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('registerAssetProxy(address,bool)').functions.registerAssetProxy.encode([assetProxyContract,
+            const encodedData = self._strictEncodeArguments('registerAssetProxy(address,bool)', [assetProxyContract,
     isRegistered
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -634,13 +518,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             isRegistered: boolean,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('registerAssetProxy(address,bool)').inputs;
-            [assetProxyContract,
-    isRegistered
-    ] = BaseContract._formatABIDataItemList(inputAbi, [assetProxyContract,
-    isRegistered
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('registerAssetProxy(address,bool)').functions.registerAssetProxy.encode([assetProxyContract,
+            const abiEncodedTransactionData = self._strictEncodeArguments('registerAssetProxy(address,bool)', [assetProxyContract,
     isRegistered
     ]);
             return abiEncodedTransactionData;
@@ -653,18 +531,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'registerAssetProxy(address,bool)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [assetProxyContract,
-        isRegistered
-        ] = BaseContract._formatABIDataItemList(inputAbi, [assetProxyContract,
-        isRegistered
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [assetProxyContract,
-        isRegistered
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.registerAssetProxy;
-            const encodedData = ethersFunction.encode([assetProxyContract,
+            const encodedData = self._strictEncodeArguments('registerAssetProxy(address,bool)', [assetProxyContract,
         isRegistered
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -677,11 +544,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'registerAssetProxy'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('registerAssetProxy(address,bool)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public addOwner = {
@@ -690,13 +558,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('addOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner
-    ]);
-            const encodedData = self._lookupEthersInterface('addOwner(address)').functions.addOwner.encode([owner
+            const encodedData = self._strictEncodeArguments('addOwner(address)', [owner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -718,11 +580,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('addOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('addOwner(address)').functions.addOwner.encode([owner
+            const encodedData = self._strictEncodeArguments('addOwner(address)', [owner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -739,11 +597,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             owner: string,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('addOwner(address)').inputs;
-            [owner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('addOwner(address)').functions.addOwner.encode([owner
+            const abiEncodedTransactionData = self._strictEncodeArguments('addOwner(address)', [owner
     ]);
             return abiEncodedTransactionData;
         },
@@ -754,15 +608,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'addOwner(address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [owner
-        ] = BaseContract._formatABIDataItemList(inputAbi, [owner
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.addOwner;
-            const encodedData = ethersFunction.encode([owner
+            const encodedData = self._strictEncodeArguments('addOwner(address)', [owner
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -774,11 +620,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'addOwner'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('addOwner(address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public isConfirmed = {
@@ -789,15 +636,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<boolean
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'isConfirmed(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.isConfirmed;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('isConfirmed(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -809,11 +648,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'isConfirmed'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('isConfirmed(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<boolean
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public changeTimeLock = {
@@ -822,13 +662,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeTimeLock(uint256)').inputs;
-            [_secondsTimeLocked
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_secondsTimeLocked
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [_secondsTimeLocked
-    ]);
-            const encodedData = self._lookupEthersInterface('changeTimeLock(uint256)').functions.changeTimeLock.encode([_secondsTimeLocked
+            const encodedData = self._strictEncodeArguments('changeTimeLock(uint256)', [_secondsTimeLocked
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -850,11 +684,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeTimeLock(uint256)').inputs;
-            [_secondsTimeLocked
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_secondsTimeLocked
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('changeTimeLock(uint256)').functions.changeTimeLock.encode([_secondsTimeLocked
+            const encodedData = self._strictEncodeArguments('changeTimeLock(uint256)', [_secondsTimeLocked
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -871,11 +701,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             _secondsTimeLocked: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeTimeLock(uint256)').inputs;
-            [_secondsTimeLocked
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_secondsTimeLocked
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('changeTimeLock(uint256)').functions.changeTimeLock.encode([_secondsTimeLocked
+            const abiEncodedTransactionData = self._strictEncodeArguments('changeTimeLock(uint256)', [_secondsTimeLocked
     ]);
             return abiEncodedTransactionData;
         },
@@ -886,15 +712,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'changeTimeLock(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [_secondsTimeLocked
-        ] = BaseContract._formatABIDataItemList(inputAbi, [_secondsTimeLocked
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [_secondsTimeLocked
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.changeTimeLock;
-            const encodedData = ethersFunction.encode([_secondsTimeLocked
+            const encodedData = self._strictEncodeArguments('changeTimeLock(uint256)', [_secondsTimeLocked
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -906,11 +724,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'changeTimeLock'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('changeTimeLock(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public isAssetProxyRegistered = {
@@ -921,15 +740,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<boolean
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'isAssetProxyRegistered(address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.isAssetProxyRegistered;
-            const encodedData = ethersFunction.encode([index_0
+            const encodedData = self._strictEncodeArguments('isAssetProxyRegistered(address)', [index_0
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -941,11 +752,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'isAssetProxyRegistered'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('isAssetProxyRegistered(address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<boolean
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public getConfirmationCount = {
@@ -956,15 +768,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'getConfirmationCount(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.getConfirmationCount;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('getConfirmationCount(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -976,11 +780,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'getConfirmationCount'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('getConfirmationCount(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public transactions = {
@@ -991,15 +796,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<[string, BigNumber, string, boolean]
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'transactions(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.transactions;
-            const encodedData = ethersFunction.encode([index_0
+            const encodedData = self._strictEncodeArguments('transactions(uint256)', [index_0
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1011,11 +808,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'transactions'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('transactions(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<[string, BigNumber, string, boolean]
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public getOwners = {
@@ -1025,12 +823,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<string[]
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'getOwners()';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [] = BaseContract._formatABIDataItemList(inputAbi, [], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, []);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.getOwners;
-            const encodedData = ethersFunction.encode([]);
+            const encodedData = self._strictEncodeArguments('getOwners()', []);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
                     to: self.address,
@@ -1041,11 +834,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'getOwners'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('getOwners()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string[]
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public getTransactionIds = {
@@ -1059,24 +853,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber[]
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'getTransactionIds(uint256,uint256,bool,bool)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [from,
-        to,
-        pending,
-        executed
-        ] = BaseContract._formatABIDataItemList(inputAbi, [from,
-        to,
-        pending,
-        executed
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [from,
-        to,
-        pending,
-        executed
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.getTransactionIds;
-            const encodedData = ethersFunction.encode([from,
+            const encodedData = self._strictEncodeArguments('getTransactionIds(uint256,uint256,bool,bool)', [from,
         to,
         pending,
         executed
@@ -1091,11 +868,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'getTransactionIds'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('getTransactionIds(uint256,uint256,bool,bool)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber[]
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public getConfirmations = {
@@ -1106,15 +884,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<string[]
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'getConfirmations(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.getConfirmations;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('getConfirmations(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1126,11 +896,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'getConfirmations'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('getConfirmations(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string[]
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public transactionCount = {
@@ -1140,12 +911,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'transactionCount()';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [] = BaseContract._formatABIDataItemList(inputAbi, [], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, []);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.transactionCount;
-            const encodedData = ethersFunction.encode([]);
+            const encodedData = self._strictEncodeArguments('transactionCount()', []);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
                     to: self.address,
@@ -1156,11 +922,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'transactionCount'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('transactionCount()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public changeRequirement = {
@@ -1169,13 +936,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeRequirement(uint256)').inputs;
-            [_required
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_required
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [_required
-    ]);
-            const encodedData = self._lookupEthersInterface('changeRequirement(uint256)').functions.changeRequirement.encode([_required
+            const encodedData = self._strictEncodeArguments('changeRequirement(uint256)', [_required
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1197,11 +958,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeRequirement(uint256)').inputs;
-            [_required
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_required
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('changeRequirement(uint256)').functions.changeRequirement.encode([_required
+            const encodedData = self._strictEncodeArguments('changeRequirement(uint256)', [_required
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1218,11 +975,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             _required: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('changeRequirement(uint256)').inputs;
-            [_required
-    ] = BaseContract._formatABIDataItemList(inputAbi, [_required
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('changeRequirement(uint256)').functions.changeRequirement.encode([_required
+            const abiEncodedTransactionData = self._strictEncodeArguments('changeRequirement(uint256)', [_required
     ]);
             return abiEncodedTransactionData;
         },
@@ -1233,15 +986,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'changeRequirement(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [_required
-        ] = BaseContract._formatABIDataItemList(inputAbi, [_required
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [_required
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.changeRequirement;
-            const encodedData = ethersFunction.encode([_required
+            const encodedData = self._strictEncodeArguments('changeRequirement(uint256)', [_required
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1253,11 +998,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'changeRequirement'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('changeRequirement(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public confirmTransaction = {
@@ -1266,13 +1012,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('confirmTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-    ]);
-            const encodedData = self._lookupEthersInterface('confirmTransaction(uint256)').functions.confirmTransaction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('confirmTransaction(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1294,11 +1034,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('confirmTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('confirmTransaction(uint256)').functions.confirmTransaction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('confirmTransaction(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1315,11 +1051,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             transactionId: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('confirmTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('confirmTransaction(uint256)').functions.confirmTransaction.encode([transactionId
+            const abiEncodedTransactionData = self._strictEncodeArguments('confirmTransaction(uint256)', [transactionId
     ]);
             return abiEncodedTransactionData;
         },
@@ -1330,15 +1062,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'confirmTransaction(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.confirmTransaction;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('confirmTransaction(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1350,11 +1074,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'confirmTransaction'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('confirmTransaction(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public submitTransaction = {
@@ -1365,19 +1090,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('submitTransaction(address,uint256,bytes)').inputs;
-            [destination,
-    value,
-    data
-    ] = BaseContract._formatABIDataItemList(inputAbi, [destination,
-    value,
-    data
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [destination,
-    value,
-    data
-    ]);
-            const encodedData = self._lookupEthersInterface('submitTransaction(address,uint256,bytes)').functions.submitTransaction.encode([destination,
+            const encodedData = self._strictEncodeArguments('submitTransaction(address,uint256,bytes)', [destination,
     value,
     data
     ]);
@@ -1405,15 +1118,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('submitTransaction(address,uint256,bytes)').inputs;
-            [destination,
-    value,
-    data
-    ] = BaseContract._formatABIDataItemList(inputAbi, [destination,
-    value,
-    data
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('submitTransaction(address,uint256,bytes)').functions.submitTransaction.encode([destination,
+            const encodedData = self._strictEncodeArguments('submitTransaction(address,uint256,bytes)', [destination,
     value,
     data
     ]);
@@ -1434,15 +1139,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             data: string,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('submitTransaction(address,uint256,bytes)').inputs;
-            [destination,
-    value,
-    data
-    ] = BaseContract._formatABIDataItemList(inputAbi, [destination,
-    value,
-    data
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('submitTransaction(address,uint256,bytes)').functions.submitTransaction.encode([destination,
+            const abiEncodedTransactionData = self._strictEncodeArguments('submitTransaction(address,uint256,bytes)', [destination,
     value,
     data
     ]);
@@ -1457,21 +1154,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'submitTransaction(address,uint256,bytes)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [destination,
-        value,
-        data
-        ] = BaseContract._formatABIDataItemList(inputAbi, [destination,
-        value,
-        data
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [destination,
-        value,
-        data
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.submitTransaction;
-            const encodedData = ethersFunction.encode([destination,
+            const encodedData = self._strictEncodeArguments('submitTransaction(address,uint256,bytes)', [destination,
         value,
         data
         ]);
@@ -1485,11 +1168,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'submitTransaction'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('submitTransaction(address,uint256,bytes)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public confirmationTimes = {
@@ -1500,15 +1184,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'confirmationTimes(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [index_0
-        ] = BaseContract._formatABIDataItemList(inputAbi, [index_0
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [index_0
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.confirmationTimes;
-            const encodedData = ethersFunction.encode([index_0
+            const encodedData = self._strictEncodeArguments('confirmationTimes(uint256)', [index_0
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1520,11 +1196,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'confirmationTimes'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('confirmationTimes(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public MAX_OWNER_COUNT = {
@@ -1534,12 +1211,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'MAX_OWNER_COUNT()';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [] = BaseContract._formatABIDataItemList(inputAbi, [], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, []);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.MAX_OWNER_COUNT;
-            const encodedData = ethersFunction.encode([]);
+            const encodedData = self._strictEncodeArguments('MAX_OWNER_COUNT()', []);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
                     to: self.address,
@@ -1550,11 +1222,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'MAX_OWNER_COUNT'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('MAX_OWNER_COUNT()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public required = {
@@ -1564,12 +1237,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<BigNumber
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'required()';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [] = BaseContract._formatABIDataItemList(inputAbi, [], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, []);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.required;
-            const encodedData = ethersFunction.encode([]);
+            const encodedData = self._strictEncodeArguments('required()', []);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
                     to: self.address,
@@ -1580,11 +1248,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'required'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray[0];
+            const abiEncoder = self._lookupAbiEncoder('required()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<BigNumber
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public replaceOwner = {
@@ -1594,16 +1263,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('replaceOwner(address,address)').inputs;
-            [owner,
-    newOwner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner,
-    newOwner
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner,
-    newOwner
-    ]);
-            const encodedData = self._lookupEthersInterface('replaceOwner(address,address)').functions.replaceOwner.encode([owner,
+            const encodedData = self._strictEncodeArguments('replaceOwner(address,address)', [owner,
     newOwner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -1628,13 +1288,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('replaceOwner(address,address)').inputs;
-            [owner,
-    newOwner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner,
-    newOwner
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('replaceOwner(address,address)').functions.replaceOwner.encode([owner,
+            const encodedData = self._strictEncodeArguments('replaceOwner(address,address)', [owner,
     newOwner
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -1653,13 +1307,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             newOwner: string,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('replaceOwner(address,address)').inputs;
-            [owner,
-    newOwner
-    ] = BaseContract._formatABIDataItemList(inputAbi, [owner,
-    newOwner
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('replaceOwner(address,address)').functions.replaceOwner.encode([owner,
+            const abiEncodedTransactionData = self._strictEncodeArguments('replaceOwner(address,address)', [owner,
     newOwner
     ]);
             return abiEncodedTransactionData;
@@ -1672,18 +1320,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'replaceOwner(address,address)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [owner,
-        newOwner
-        ] = BaseContract._formatABIDataItemList(inputAbi, [owner,
-        newOwner
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [owner,
-        newOwner
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.replaceOwner;
-            const encodedData = ethersFunction.encode([owner,
+            const encodedData = self._strictEncodeArguments('replaceOwner(address,address)', [owner,
         newOwner
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
@@ -1696,11 +1333,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'replaceOwner'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('replaceOwner(address,address)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public executeTransaction = {
@@ -1709,13 +1347,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<string> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-    ]);
-            const encodedData = self._lookupEthersInterface('executeTransaction(uint256)').functions.executeTransaction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeTransaction(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1737,11 +1369,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             txData: Partial<TxData> = {},
         ): Promise<number> {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const encodedData = self._lookupEthersInterface('executeTransaction(uint256)').functions.executeTransaction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeTransaction(uint256)', [transactionId
     ]);
             const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1758,11 +1386,7 @@ export class AssetProxyOwnerContract extends BaseContract {
             transactionId: BigNumber,
         ): string {
             const self = this as any as AssetProxyOwnerContract;
-            const inputAbi = self._lookupAbi('executeTransaction(uint256)').inputs;
-            [transactionId
-    ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-    ], BaseContract._bigNumberToString);
-            const abiEncodedTransactionData = self._lookupEthersInterface('executeTransaction(uint256)').functions.executeTransaction.encode([transactionId
+            const abiEncodedTransactionData = self._strictEncodeArguments('executeTransaction(uint256)', [transactionId
     ]);
             return abiEncodedTransactionData;
         },
@@ -1773,15 +1397,7 @@ export class AssetProxyOwnerContract extends BaseContract {
         ): Promise<void
         > {
             const self = this as any as AssetProxyOwnerContract;
-            const functionSignature = 'executeTransaction(uint256)';
-            const inputAbi = self._lookupAbi(functionSignature).inputs;
-            [transactionId
-        ] = BaseContract._formatABIDataItemList(inputAbi, [transactionId
-        ], BaseContract._bigNumberToString.bind(self));
-            BaseContract.strictArgumentEncodingCheck(inputAbi, [transactionId
-        ]);
-            const ethersFunction = self._lookupEthersInterface(functionSignature).functions.executeTransaction;
-            const encodedData = ethersFunction.encode([transactionId
+            const encodedData = self._strictEncodeArguments('executeTransaction(uint256)', [transactionId
         ]);
             const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                 {
@@ -1793,11 +1409,12 @@ export class AssetProxyOwnerContract extends BaseContract {
             );
             const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
             BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            let resultArray = ethersFunction.decode(rawCallResult);
-            const outputAbi = (_.find(self.abi, {name: 'executeTransaction'}) as MethodAbi).outputs;
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
-            resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
-            return resultArray;
+            const abiEncoder = self._lookupAbiEncoder('executeTransaction(uint256)');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<void
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
         },
     };
     public static async deployFrom0xArtifactAsync(
@@ -1871,7 +1488,7 @@ _secondsTimeLocked
     }
     constructor(abi: ContractAbi, address: string, provider: Provider, txDefaults?: Partial<TxData>) {
         super('AssetProxyOwner', abi, address, provider, txDefaults);
-        classUtils.bindAll(this, ['_ethersInterfacesByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
+        classUtils.bindAll(this, ['_abiEncoderByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
     }
 } // tslint:disable:max-file-line-count
 // tslint:enable:no-unbound-method