Add test for destroying and redeploying contract to same address

test/contract/src/index.js

@@ -1,7 +1,14 @@
 const fastify = require('fastify')({ logger: true });
 const hre = require("hardhat");
 
-const { getStorageSlotKey } = require('./utils');
+const {
+    deployContract,
+    isDeployed
+} = require("solidity-create2-deployer");
+
+const { getStorageSlotKey, deployCreate2Factory } = require('./utils');
+
+const CREATE2_FACTORY_ADDRESS = '0x4a27c059FD7E383854Ea7DE6Be9c390a795f6eE3'
 
 // readiness check
 fastify.get('/v1/healthz', async (req, reply) => {
@@ -130,6 +137,43 @@ fastify.get('/v1/getStorageKey', async (req, reply) => {
     }
 });
 
+fastify.get('/v1/create2Contract', async (req, reply) => {
+    const contract = req.query.contract;
+    const salt = req.query.salt;
+
+    const provider = hre.ethers.provider;
+    const signer = await hre.ethers.getSigner();
+    const isFactoryDeployed = await isDeployed(CREATE2_FACTORY_ADDRESS, provider);
+
+    if (!isFactoryDeployed) {
+        await deployCreate2Factory(provider, signer)
+    }
+
+    const contractFactory = await hre.ethers.getContractFactory(contract);
+    const bytecode = contractFactory.bytecode;
+    const constructorTypes = [];
+    const constructorArgs = [];
+
+    const { txHash, address, receipt } = await deployContract({
+        salt,
+        contractBytecode: bytecode,
+        constructorTypes: constructorTypes,
+        constructorArgs: constructorArgs,
+        signer
+    });
+
+    const success = await isDeployed(address, provider);
+
+    if (success) {
+        return {
+            address,
+            txHash,
+            blockNumber: receipt.blockNumber,
+            blockHash: receipt.blockHash,
+        }
+    }
+});
+
 async function main() {
     try {
         await fastify.listen(3000, '0.0.0.0');
@@ -139,4 +183,4 @@ async function main() {
     }
 }
 
-main();
+main();

test/contract/src/utils.js

@@ -1,6 +1,8 @@
 const { artifacts } = require("hardhat")
 const { utils, BigNumber } = require("ethers")
+const { deployFactory } = require("solidity-create2-deployer");
 
+const CREATE2_FACTORY_ACCOUNT = '0x2287Fa6efdEc6d8c3E0f4612ce551dEcf89A357A';
 
 async function getStorageLayout(contractName) {
   const artifact = await artifacts.readArtifact(contractName);
@@ -35,4 +37,18 @@ async function getStorageSlotKey(contractName, variableName) {
   return key
 };
 
-module.exports = { getStorageSlotKey }
+async function deployCreate2Factory(provider, signer) {
+  // Send eth to account as required to deploy create2 factory contract.
+  let tx = {
+    to: CREATE2_FACTORY_ACCOUNT,
+    value: utils.parseEther('0.01')
+  }
+
+  const txResponse = await signer.sendTransaction(tx);
+  await txResponse.wait()
+
+  // Deploy create2 factory contract.
+  await deployFactory(provider)
+}
+
+module.exports = { getStorageSlotKey, deployCreate2Factory }