Upgrade contract_templates to work with ethers 4.0

1 files changed, 4 insertions, 2 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),
         );