diff --git a/helpers/prepare.ts b/helpers/prepare.ts
new file mode 100644
index 00000000..5caecbd3
--- /dev/null
+++ b/helpers/prepare.ts
@@ -0,0 +1,16 @@
+import { ethers } from "ethers";
+
+export const prepareData = (contract: string, types: string[], args: any[]) => {
+  const params = prepareParams(types, args);
+  return `${contract}${params.slice(2)}`;
+};
+
+export const prepareParams = (types: string[], args: any[]) => {
+  const abiCoder = ethers.utils.defaultAbiCoder;
+  for (let i = 0; i < args.length; i++) {
+    if (types[i] === "bytes32") {
+      args[i] = ethers.utils.hexlify(ethers.utils.zeroPad(args[i], 32));
+    }
+  }
+  return abiCoder.encode(types, args);
+};