3 files changed, 22 insertions, 28 deletions
diff --git a/packages/contract_templates/contract.handlebars b/packages/contract_templates/contract.handlebars
index 132cd60cc..08310c8f2 100644
--- a/packages/contract_templates/contract.handlebars
+++ b/packages/contract_templates/contract.handlebars
@@ -5,7 +5,7 @@
 // tslint:disable:no-consecutive-blank-lines
 // tslint:disable-next-line:no-unused-variable
 import { BaseContract } from '@0xproject/base-contract';
-import { TxData, TxDataPayable } from '@0xproject/types';
+import { BlockParam, BlockParamLiteral, CallData, ContractAbi, DataItem, MethodAbi, TxData, TxDataPayable } from '@0xproject/types';
 import { BigNumber, classUtils, promisify } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as ethersContracts from 'ethers-contracts';
@@ -40,7 +40,7 @@ export class {{contractName}}Contract extends BaseContract {
     {{> tx contractName=../contractName}}
     {{/this.constant}}
 {{/each}}
-    constructor(web3Wrapper: Web3Wrapper, abi: Web3.ContractAbi, address: string) {
+    constructor(web3Wrapper: Web3Wrapper, abi: ContractAbi, address: string) {
         super(web3Wrapper, abi, address);
         classUtils.bindAll(this, ['_ethersInterface', 'address', 'abi', '_web3Wrapper']);
     }
diff --git a/packages/contract_templates/partials/callAsync.handlebars b/packages/contract_templates/partials/callAsync.handlebars
index 93d347145..e3fc2bdf9 100644
--- a/packages/contract_templates/partials/callAsync.handlebars
+++ b/packages/contract_templates/partials/callAsync.handlebars
@@ -1,27 +1,22 @@
 {{#hasReturnValue}}
 async callAsync(
 {{> typed_params inputs=inputs}}
-{{#this.payable}}
-    txData: TxDataPayable = {},
-{{/this.payable}}
-{{^this.payable}}
-    txData: TxData = {},
-{{/this.payable}}
-    defaultBlock?: Web3.BlockParam,
+    callData: Partial<CallData> = {},
+    defaultBlock?: BlockParam,
 ): Promise<{{> return_type outputs=outputs}}> {
     const self = this as {{contractName}}Contract;
-    const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-    [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
+    const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+    [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
     const encodedData = self._ethersInterface.functions.{{this.name}}(
         {{> params inputs=inputs}}
     ).data;
-    const callData = await self._applyDefaultsToTxDataAsync(
+    const callDataWithDefaults = await self._applyDefaultsToTxDataAsync(
         {
             data: encodedData,
         }
     )
-    const rawCallResult = await self._web3Wrapper.callAsync(callData, defaultBlock);
-    const outputAbi = _.find(this.abi, {name: '{{this.name}}'}).outputs as Web3.DataItem[];
+    const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+    const outputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).outputs;
     const outputParamsTypes = _.map(outputAbi, 'type');
     let resultArray = ethersContracts.Interface.decodeParams(outputParamsTypes, rawCallResult) as any;
     resultArray = BaseContract._transformABIData(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
diff --git a/packages/contract_templates/partials/tx.handlebars b/packages/contract_templates/partials/tx.handlebars
index d517a9f7f..f76de3a70 100644
--- a/packages/contract_templates/partials/tx.handlebars
+++ b/packages/contract_templates/partials/tx.handlebars
@@ -2,16 +2,16 @@ public {{this.name}} = {
     async sendTransactionAsync(
     {{> typed_params inputs=inputs}}
     {{#this.payable}}
-        txData: TxDataPayable = {},
+        txData: Partial<TxDataPayable> = {},
     {{/this.payable}}
     {{^this.payable}}
-        txData: TxData = {},
+        txData: Partial<TxData> = {},
     {{/this.payable}}
     ): Promise<string> {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const encodedData = this._ethersInterface.functions.{{this.name}}(
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
+        const encodedData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
@@ -24,17 +24,17 @@ public {{this.name}} = {
                 {{> params inputs=inputs}}
             ),
         );
-        const txHash = await this._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+        const txHash = await self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
         return txHash;
     },
     async estimateGasAsync(
     {{> typed_params inputs=inputs}}
-        txData: TxData = {},
+        txData: Partial<TxData> = {},
     ): Promise<number> {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
         [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const encodedData = this._ethersInterface.functions.{{this.name}}(
+        const encodedData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         const txDataWithDefaults = await self._applyDefaultsToTxDataAsync(
@@ -43,17 +43,16 @@ public {{this.name}} = {
                 data: encodedData,
             }
         );
-        const gas = await this._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+        const gas = await self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
         return gas;
     },
     getABIEncodedTransactionData(
     {{> typed_params inputs=inputs}}
-        txData: TxData = {},
     ): string {
         const self = this as {{contractName}}Contract;
-        const inputAbi = _.find(this.abi, {name: '{{this.name}}'}).inputs;
-        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(this));
-        const abiEncodedTransactionData = this._ethersInterface.functions.{{this.name}}(
+        const inputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).inputs;
+        [{{> params inputs=inputs}}] = BaseContract._transformABIData(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
+        const abiEncodedTransactionData = self._ethersInterface.functions.{{this.name}}(
             {{> params inputs=inputs}}
         ).data
         return abiEncodedTransactionData;