3 files changed, 10 insertions, 16 deletions
diff --git a/packages/contract_templates/contract.handlebars b/packages/contract_templates/contract.handlebars
index 466893aa7..5c5f8c808 100644
--- a/packages/contract_templates/contract.handlebars
+++ b/packages/contract_templates/contract.handlebars
@@ -65,10 +65,12 @@ export class {{contractName}}Contract extends BaseContract {
             [{{> params inputs=ctor.inputs}}],
             BaseContract._bigNumberToString,
         );
-        const txData = ethers.Contract.getDeployTransaction(bytecode, abi, {{> params inputs=ctor.inputs}});
+        const iface = new ethers.Interface(abi);
+        let deployInfo = iface.deployFunction;
+        const txData = deployInfo.encode(bytecode, [{{> params inputs=ctor.inputs}}]);
         const web3Wrapper = new Web3Wrapper(provider);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-            txData,
+            {data: txData},
             txDefaults,
             web3Wrapper.estimateGasAsync.bind(web3Wrapper),
         );
diff --git a/packages/contract_templates/partials/callAsync.handlebars b/packages/contract_templates/partials/callAsync.handlebars
index 94752691d..dd1b90212 100644
--- a/packages/contract_templates/partials/callAsync.handlebars
+++ b/packages/contract_templates/partials/callAsync.handlebars
@@ -8,10 +8,8 @@ async callAsync(
     const inputAbi = self._lookupAbi(functionSignature).inputs;
     [{{> params inputs=inputs}}] = BaseContract._formatABIDataItemList(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
     BaseContract.strictArgumentEncodingCheck(inputAbi, [{{> params inputs=inputs}}]);
-    const ethersFunction = self._lookupEthersInterface(functionSignature).functions.{{this.name}}(
-        {{> params inputs=inputs}}
-    ) as ethers.CallDescription;
-    const encodedData = ethersFunction.data;
+    const ethersFunction = self._lookupEthersInterface(functionSignature).functions.{{this.name}};
+    const encodedData = ethersFunction.encode([{{> params inputs=inputs}}]);
     const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
         {
             to: self.address,
@@ -21,7 +19,7 @@ async callAsync(
         self._web3Wrapper.getContractDefaults(),
     );
     const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-    let resultArray = ethersFunction.parse(rawCallResult);
+    let resultArray = ethersFunction.decode(rawCallResult);
     const outputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).outputs;
     resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
     resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
diff --git a/packages/contract_templates/partials/tx.handlebars b/packages/contract_templates/partials/tx.handlebars
index 4340d662e..b39156583 100644
--- a/packages/contract_templates/partials/tx.handlebars
+++ b/packages/contract_templates/partials/tx.handlebars
@@ -12,9 +12,7 @@ public {{this.tsName}} = {
         const inputAbi = self._lookupAbi('{{this.functionSignature}}').inputs;
         [{{> params inputs=inputs}}] = BaseContract._formatABIDataItemList(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
         BaseContract.strictArgumentEncodingCheck(inputAbi, [{{> params inputs=inputs}}]);
-        const encodedData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}(
-            {{> params inputs=inputs}}
-        ).data;
+        const encodedData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}.encode([{{> params inputs=inputs}}]);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             {
                 to: self.address,
@@ -37,9 +35,7 @@ public {{this.tsName}} = {
         const self = this as any as {{contractName}}Contract;
         const inputAbi = self._lookupAbi('{{this.functionSignature}}').inputs;
         [{{> params inputs=inputs}}] = BaseContract._formatABIDataItemList(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString);
-        const encodedData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}(
-            {{> params inputs=inputs}}
-        ).data;
+        const encodedData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}.encode([{{> params inputs=inputs}}]);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             {
                 to: self.address,
@@ -57,9 +53,7 @@ public {{this.tsName}} = {
         const self = this as any as {{contractName}}Contract;
         const inputAbi = self._lookupAbi('{{this.functionSignature}}').inputs;
         [{{> params inputs=inputs}}] = BaseContract._formatABIDataItemList(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString);
-        const abiEncodedTransactionData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}(
-            {{> params inputs=inputs}}
-        ).data;
+        const abiEncodedTransactionData = self._lookupEthersInterface('{{this.functionSignature}}').functions.{{this.name}}.encode([{{> params inputs=inputs}}]);
         return abiEncodedTransactionData;
     },
     {{> callAsync}}