chore(gateway-contracts): add verify task for mocked zama OFT contract (#1350)

Author: melanciani

gateway-contracts/tasks/deployment/paymentBridging/mocked.ts

@@ -8,6 +8,10 @@ import { appendAddressToEnvFile, createEnvAddressesFile } from "../utils";
 // Define the file name for registering the mocked payment bridging contract addresses
 export const MOCKED_PAYMENT_BRIDGING_ADDRESSES_ENV_FILE_NAME = ".env.mocked_payment_bridging";
 
+const MOCKED_ZAMA_OFT_CONTRACT_NAME = "ZamaOFT";
+const MOCKED_ZAMA_OFT_NAME = "MockedZamaOFT";
+const MOCKED_ZAMA_OFT_SYMBOL = "MockedZAMA";
+
 // Deploy a mocked payment bridging contract
 async function deployMockedPaymentBridgingContract(
   name: string,
@@ -57,13 +61,31 @@ task("task:deployMockedZamaOFT")
     const initialSupplyInMockedZamaBaseUnits = initialSupply * BigInt(10 ** 18);
 
     // Deploy the mocked ZamaOFT contract
-    const zamaOFTContractName = "ZamaOFT";
-    const zamaOFTAddress = await deployMockedPaymentBridgingContract(zamaOFTContractName, hre, [
-      zamaOFTContractName,
-      "ZAMA",
+    const zamaOFTAddress = await deployMockedPaymentBridgingContract(MOCKED_ZAMA_OFT_CONTRACT_NAME, hre, [
+      MOCKED_ZAMA_OFT_NAME,
+      MOCKED_ZAMA_OFT_SYMBOL,
       initialSupplyInMockedZamaBaseUnits,
     ]);
 
     // Add the new address to the mocked payment bridging contracts env file
-    appendAddressToEnvFile(zamaOFTContractName, zamaOFTAddress, MOCKED_PAYMENT_BRIDGING_ADDRESSES_ENV_FILE_NAME);
+    appendAddressToEnvFile(MOCKED_ZAMA_OFT_NAME, zamaOFTAddress, MOCKED_PAYMENT_BRIDGING_ADDRESSES_ENV_FILE_NAME);
+  });
+
+task("task:verifyMockedZamaOFT")
+  .addParam(
+    "initialSupply",
+    "The initial supply of mocked $ZAMA tokens to verify the ZamaOFT contract with",
+    BigInt(10 ** 6),
+    types.bigint,
+  )
+  .setAction(async function ({ initialSupply }, { run }) {
+    const implementationAddress = getRequiredEnvVar("ZAMA_OFT_ADDRESS");
+
+    // Convert the initial supply to mocked $ZAMA base units (using 18 decimals)
+    const initialSupplyInMockedZamaBaseUnits = initialSupply * BigInt(10 ** 18);
+
+    await run("verify:verify", {
+      address: implementationAddress,
+      constructorArguments: [MOCKED_ZAMA_OFT_CONTRACT_NAME, MOCKED_ZAMA_OFT_SYMBOL, initialSupplyInMockedZamaBaseUnits],
+    });
   });