chore: add upgrade script

deploy/001_deploy_rln_registry.ts

@@ -1,5 +1,5 @@
 import { HardhatRuntimeEnvironment } from "hardhat/types";
-import { DeployFunction, DeploymentSubmission } from "hardhat-deploy/types";
+import { DeployFunction } from "hardhat-deploy/types";
 
 const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
   const { deployments, getUnnamedAccounts } = hre;
@@ -26,5 +26,11 @@ const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
 };
 
 export default func;
+func.skip = async (hre: HardhatRuntimeEnvironment) => {
+  if (hre.network.name === "sepolia") {
+    return true;
+  }
+  return false;
+};
 func.tags = ["WakuRlnRegistry"];
 func.dependencies = ["PoseidonHasher"];

deploy/003_deploy_rln_v2.ts

@@ -0,0 +1,56 @@
+import { HardhatRuntimeEnvironment } from "hardhat/types";
+import { DeployFunction } from "hardhat-deploy/types";
+
+const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
+  const { deployments, getUnnamedAccounts } = hre;
+  const { deploy } = deployments;
+
+  const [deployer] = await getUnnamedAccounts();
+
+  const implRes = await deploy("WakuRlnRegistry_Implementation", {
+    contract: "WakuRlnRegistry",
+    from: deployer,
+    log: true,
+    skipIfAlreadyDeployed: false,
+  });
+
+  const existingProxy = await deployments.get("WakuRlnRegistry_Proxy");
+  existingProxy.abi.push({
+    inputs: [
+      {
+        internalType: "address",
+        name: "newImplementation",
+        type: "address",
+      },
+    ],
+    name: "upgradeTo",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  });
+  existingProxy.abi.push({
+    inputs: [],
+    name: "initialize",
+    outputs: [],
+    stateMutability: "nonpayable",
+    type: "function",
+  });
+  const existingProxyContract = new hre.ethers.Contract(
+    existingProxy.address,
+    existingProxy.abi,
+    hre.ethers.provider.getSigner(deployer)
+  );
+
+  const upgradeTx = await existingProxyContract.upgradeTo(implRes.address);
+  await upgradeTx.wait();
+  const implContract = new hre.ethers.Contract(
+    implRes.address,
+    implRes.abi,
+    hre.ethers.provider.getSigner(deployer)
+  );
+  await implContract.initialize();
+};
+
+export default func;
+func.tags = ["WakuRlnRegistry_v2"];
+func.dependencies = ["WakuRlnRegistry"];