zama-ai · poppyseedDev · Feb 24, 2026 · Feb 23, 2026 · Feb 23, 2026 · Feb 23, 2026
diff --git a/package.json b/package.json
@@ -45,6 +45,7 @@
     "next:lint": "pnpm --filter ./packages/erc7984example lint",
     "next:serve": "pnpm --filter ./packages/erc7984example serve",
     "precommit": "lint-staged",
+    "postinstall": "sh scripts/patch-node-tkms.sh",
     "preinstall": "pnpm sdk:build",
     "start": "pnpm --filter ./packages/erc7984example dev",
     "test": "pnpm hardhat:test",

diff --git a/packages/erc7984example/app/layout.tsx b/packages/erc7984example/app/layout.tsx
@@ -14,7 +14,7 @@ const DappWrapper = ({ children }: { children: React.ReactNode }) => {
     <html suppressHydrationWarning className={``}>
       <head></head>
       <body suppressHydrationWarning>
-        <Script src="https://cdn.zama.org/relayer-sdk-js/0.4.0-4/relayer-sdk-js.umd.cjs" strategy="beforeInteractive" />
+        <Script src="https://cdn.zama.org/relayer-sdk-js/0.4.1/relayer-sdk-js.umd.cjs" strategy="beforeInteractive" />
         <ThemeProvider enableSystem>
           <DappWrapperWithProviders>{children}</DappWrapperWithProviders>
         </ThemeProvider>

diff --git a/packages/erc7984example/app/providers.tsx b/packages/erc7984example/app/providers.tsx
@@ -4,7 +4,7 @@
 import { PrivyProvider } from "@privy-io/react-auth";
 import { WagmiProvider as PrivyWagmiProvider, createConfig } from "@privy-io/wagmi";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
-import { sepolia } from "viem/chains";
+import { sepolia, hardhat } from "viem/chains";
 import { createConfig as createWagmiConfig, http } from "wagmi";
 import { WagmiProvider as StandardWagmiProvider } from "wagmi";
 import scaffoldConfig from "~~/scaffold.config";
@@ -30,28 +30,28 @@
 
 const { alchemyApiKey } = scaffoldConfig;
 
-// Use Sepolia as the primary chain (Privy doesn't work well with local hardhat)
-const activeChain = sepolia;
-
-// Build RPC URL
-const rpcUrl = alchemyApiKey
+// Build RPC URLs
+const sepoliaRpcUrl = alchemyApiKey
   ? `https://eth-sepolia.g.alchemy.com/v2/${alchemyApiKey}`
   : "https://ethereum-sepolia-rpc.publicnode.com";
 
+// Include both chains — hardhat transport is harmless in production
+const chains = [sepolia, hardhat] as const;
+const transports = {
+  [sepolia.id]: http(sepoliaRpcUrl),
+  [hardhat.id]: http("http://127.0.0.1:8545"),
+};
+
 // Create Wagmi config using Privy's createConfig (for when Privy is configured)
 export const wagmiConfig = createConfig({
-  chains: [activeChain] as const,
-  transports: {
-    [activeChain.id]: http(rpcUrl),
-  } as Record<typeof activeChain.id, ReturnType<typeof http>>,
+  chains,
+  transports,
 });
 
 // Create standard Wagmi config (for fallback when Privy is not configured)
 const standardWagmiConfig = createWagmiConfig({
-  chains: [activeChain],
-  transports: {
-    [activeChain.id]: http(rpcUrl),
-  },
+  chains,
+  transports,
 });
 
 export function Providers({ children }: Props) {
@@ -74,8 +74,8 @@
           },
         },
         loginMethods: ["wallet", "email"],
-        supportedChains: [activeChain],
-        defaultChain: activeChain,
+        supportedChains: [...chains],
+        defaultChain: sepolia,
         appearance: {
           showWalletLoginFirst: true,
           walletChainType: "ethereum-only",

diff --git a/packages/erc7984example/contracts/deployedContracts.ts b/packages/erc7984example/contracts/deployedContracts.ts
@@ -75,6 +75,19 @@ const deployedContracts = {
           name: "OwnershipTransferred",
           type: "event",
         },
+        {
+          inputs: [],
+          name: "AIRDROP_AMOUNT",
+          outputs: [
+            {
+              internalType: "uint64",
+              name: "",
+              type: "uint64",
+            },
+          ],
+          stateMutability: "view",
+          type: "function",
+        },
         {
           inputs: [
             {
@@ -2119,6 +2132,142 @@ const deployedContracts = {
       },
       deployedOnBlock: 10092096,
     },
+    PublicDecryptSingleValue: {
+      address: "0x1365229D1769232CCbC795c7181dD65B34872348",
+      abi: [
+        {
+          inputs: [],
+          stateMutability: "nonpayable",
+          type: "constructor",
+        },
+        {
+          inputs: [],
+          name: "InvalidKMSSignatures",
+          type: "error",
+        },
+        {
+          inputs: [],
+          name: "ZamaProtocolUnsupported",
+          type: "error",
+        },
+        {
+          anonymous: false,
+          inputs: [
+            {
+              indexed: false,
+              internalType: "bytes32[]",
+              name: "handlesList",
+              type: "bytes32[]",
+            },
+            {
+              indexed: false,
+              internalType: "bytes",
+              name: "abiEncodedCleartexts",
+              type: "bytes",
+            },
+          ],
+          name: "PublicDecryptionVerified",
+          type: "event",
+        },
+        {
+          inputs: [
+            {
+              internalType: "bytes32[]",
+              name: "handlesList",
+              type: "bytes32[]",
+            },
+            {
+              internalType: "bytes",
+              name: "cleartexts",
+              type: "bytes",
+            },
+            {
+              internalType: "bytes",
+              name: "decryptionProof",
+              type: "bytes",
+            },
+          ],
+          name: "callbackDecryptSingleUint32",
+          outputs: [],
+          stateMutability: "nonpayable",
+          type: "function",
+        },
+        {
+          inputs: [],
+          name: "clearUint32",
+          outputs: [
+            {
+              internalType: "uint32",
+              name: "",
+              type: "uint32",
+            },
+          ],
+          stateMutability: "view",
+          type: "function",
+        },
+        {
+          inputs: [],
+          name: "confidentialProtocolId",
+          outputs: [
+            {
+              internalType: "uint256",
+              name: "",
+              type: "uint256",
+            },
+          ],
+          stateMutability: "view",
+          type: "function",
+        },
+        {
+          inputs: [],
+          name: "getHandle",
+          outputs: [
+            {
+              internalType: "bytes32",
+              name: "",
+              type: "bytes32",
+            },
+          ],
+          stateMutability: "view",
+          type: "function",
+        },
+        {
+          inputs: [
+            {
+              internalType: "uint32",
+              name: "value",
+              type: "uint32",
+            },
+          ],
+          name: "initializeUint32",
+          outputs: [],
+          stateMutability: "nonpayable",
+          type: "function",
+        },
+        {
+          inputs: [
+            {
+              internalType: "uint32",
+              name: "value",
+              type: "uint32",
+            },
+          ],
+          name: "initializeUint32Wrong",
+          outputs: [],
+          stateMutability: "nonpayable",
+          type: "function",
+        },
+        {
+          inputs: [],
+          name: "requestDecryptSingleUint32",
+          outputs: [],
+          stateMutability: "nonpayable",
+          type: "function",
+        },
+      ],
+      inheritedFunctions: {},
+      deployedOnBlock: 10106218,
+    },
   },
 } as const;
 

diff --git a/packages/erc7984example/empty-module.js b/packages/erc7984example/empty-module.js
@@ -0,0 +1,22 @@
+// Browser-compatible fs shim for node-tkms WASM loading.
+// node-tkms calls require('fs').readFileSync(path) to load kms_lib_bg.wasm.
+// In the browser, we serve it from public/ and load via synchronous XHR.
+module.exports = {
+  readFileSync: function (filePath) {
+    var filename = filePath.split("/").pop();
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", "/" + filename, false); // synchronous
+    // Use binary string override since synchronous XHR doesn't support responseType
+    xhr.overrideMimeType("text/plain; charset=x-user-defined");
+    xhr.send();
+    if (xhr.status >= 200 && xhr.status < 300) {
+      var text = xhr.responseText;
+      var bytes = new Uint8Array(text.length);
+      for (var i = 0; i < text.length; i++) {
+        bytes[i] = text.charCodeAt(i) & 0xff;
+      }
+      return bytes;
+    }
+    throw new Error("fs shim: failed to load /" + filename + " (status: " + xhr.status + ")");
+  },
+};
diff --git a/packages/erc7984example/next.config.ts b/packages/erc7984example/next.config.ts
@@ -4,14 +4,22 @@ const nextConfig: NextConfig = {
   transpilePackages: ["fhevm-sdk"],
   // Exclude Node.js packages that are incompatible with Turbopack bundling
   serverExternalPackages: ["pino", "thread-stream", "pino-pretty"],
-  // Empty turbopack config - Turbopack handles Node.js fallbacks automatically
-  turbopack: {},
+  // Turbopack: resolve Node.js built-ins to empty modules for client bundle
+  turbopack: {
+    resolveAlias: {
+      fs: "./empty-module.js",
+      net: "./empty-module.js",
+      tls: "./empty-module.js",
+      child_process: "./empty-module.js",
+      worker_threads: "./empty-module.js",
+    },
+  },
   // Configure webpack fallbacks for client-side (these packages shouldn't be bundled for browser)
   webpack: (config, { isServer }) => {
     if (!isServer) {
       config.resolve.fallback = {
         ...config.resolve.fallback,
-        fs: false,
+        fs: require.resolve("./empty-module.js"),
         net: false,
         tls: false,
         child_process: false,

diff --git a/packages/erc7984example/package.json b/packages/erc7984example/package.json
@@ -21,7 +21,7 @@
     "@tanstack/react-query": "~5.59.20",
     "@uniswap/sdk-core": "~5.8.5",
     "@uniswap/v2-sdk": "~4.6.2",
-    "@zama-fhe/relayer-sdk": "0.4.0-4",
+    "@zama-fhe/relayer-sdk": "0.4.1",
     "blo": "~1.2.0",
     "daisyui": "5.0.9",
     "ethers": "^6.15.0",

diff --git a/packages/erc7984example/public/kms_lib_bg.wasm b/packages/erc7984example/public/kms_lib_bg.wasm
diff --git a/packages/erc7984example/public/tfhe_bg.wasm b/packages/erc7984example/public/tfhe_bg.wasm
diff --git a/packages/fhevm-sdk/package.json b/packages/fhevm-sdk/package.json
@@ -37,11 +37,11 @@
   },
   "dependencies": {
     "idb": "^8.0.3",
-    "@zama-fhe/relayer-sdk": "^0.4.0-2",
-    "ethers": "^6.13.4"
+    "@zama-fhe/relayer-sdk": "^0.4.1",
+    "ethers": "^6.16.0"
   },
   "peerDependencies": {
-    "@fhevm/mock-utils": "^0.3.0-4",
+    "@fhevm/mock-utils": "^0.4.2",
     "react": ">=16.8.0"
   },
   "peerDependenciesMeta": {
@@ -53,7 +53,7 @@
     "@types/node": "~18.19.50",
     "@types/react": "~19.0.7",
     "@vitest/coverage-v8": "2.1.9",
-    "ethers": "^6.13.7",
+    "ethers": "^6.16.0",
     "fake-indexeddb": "~6.0.0",
     "jsdom": "^27.0.0",
     "react": "~19.0.0",

diff --git a/packages/fhevm-sdk/src/internal/constants.ts b/packages/fhevm-sdk/src/internal/constants.ts
@@ -1,2 +1,2 @@
 export const SDK_CDN_URL =
-  "https://cdn.zama.org/relayer-sdk-js/0.4.0-4/relayer-sdk-js.umd.cjs";
+  "https://cdn.zama.org/relayer-sdk-js/0.4.1/relayer-sdk-js.umd.cjs";
diff --git a/packages/fhevm-sdk/src/internal/fhevm.ts b/packages/fhevm-sdk/src/internal/fhevm.ts
@@ -239,11 +239,11 @@ export const createFhevmInstance = async (parameters: {
       notify("creating");
 
       //////////////////////////////////////////////////////////////////////////
-      // 
+      //
       // WARNING!!
-      // ALWAY USE DYNAMIC IMPORT TO AVOID INCLUDING THE ENTIRE FHEVM MOCK LIB 
+      // ALWAY USE DYNAMIC IMPORT TO AVOID INCLUDING THE ENTIRE FHEVM MOCK LIB
       // IN THE FINAL PRODUCTION BUNDLE!!
-      // 
+      //
       //////////////////////////////////////////////////////////////////////////
       const fhevmMock = await import("./mock/fhevmMock");
       const mockInstance = await fhevmMock.fhevmMockCreateInstance({

diff --git a/packages/hardhat/package.json b/packages/hardhat/package.json
@@ -24,18 +24,18 @@
     "hardhat"
   ],
   "dependencies": {
-    "@fhevm/solidity": "^0.10.0",
+    "@fhevm/solidity": "^0.11.1",
     "@openzeppelin/contracts": "^5.4.0",
     "@openzeppelin/contracts-upgradeable": "^5.4.0",
     "@zama-fhe/oracle-solidity": "^0.1.0",
     "encrypted-types": "^0.0.4",
     "openzeppelin-confidential-contracts": "git+https://github.com/OpenZeppelin/openzeppelin-confidential-contracts.git#master"
   },
   "devDependencies": {
-    "@fhevm/hardhat-plugin": "^0.3.0-4",
-    "@fhevm/mock-utils": "^0.3.0-4",
+    "@fhevm/hardhat-plugin": "^0.4.2",
+    "@fhevm/mock-utils": "^0.4.2",
     "@nomicfoundation/hardhat-chai-matchers": "^2.1.0",
-    "@nomicfoundation/hardhat-ethers": "^3.1.0",
+    "@nomicfoundation/hardhat-ethers": "^3.1.3",
     "@nomicfoundation/hardhat-network-helpers": "^1.1.0",
     "@nomicfoundation/hardhat-verify": "^2.1.0",
     "@typechain/ethers-v6": "^0.5.1",
@@ -45,13 +45,13 @@
     "@types/node": "^20.19.8",
     "@typescript-eslint/eslint-plugin": "^8.37.0",
     "@typescript-eslint/parser": "^8.37.0",
-    "@zama-fhe/relayer-sdk": "0.3.0-8",
+    "@zama-fhe/relayer-sdk": "0.4.1",
     "chai": "^4.5.0",
     "chai-as-promised": "^8.0.1",
     "cross-env": "^7.0.3",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",
-    "ethers": "^6.15.0",
+    "ethers": "^6.16.0",
     "hardhat": "^2.27.0",
     "hardhat-deploy": "^0.11.45",
     "hardhat-gas-reporter": "^2.3.0",