Add support for kernel + 7702 (#414)

Author: plusminushalf

.changeset/silly-eyes-worry.md

@@ -0,0 +1,5 @@
+---
+"permissionless": patch
+---
+
+Added to7702KernelSmartAccount

bun.lock

@@ -16,7 +16,7 @@
         "@changesets/cli": "^2.26.2",
         "@permissionless/wagmi": "workspace:packages/wagmi",
         "@pimlico/mock-paymaster": "workspace:packages/mock-paymaster",
-        "@pimlico/alto": "^0.0.18",
+        "@pimlico/alto": "0.0.0-main.20250527T165035",
         "@size-limit/esbuild-why": "^9.0.0",
         "@size-limit/preset-small-lib": "^9.0.0",
         "@tanstack/react-query": "5.45.1",

bun.lockb

@@ -60,6 +60,27 @@ export const hexDataSchema = z
     .regex(hexDataPattern, { message: "not valid hex data" })
     .transform((val) => val.toLowerCase() as Hex)
 
+const signedAuthorizationSchema = z.union([
+    z.object({
+        contractAddress: addressSchema,
+        chainId: hexNumberSchema.transform((val) => Number(val)),
+        nonce: hexNumberSchema.transform((val) => Number(val)),
+        r: hexDataSchema.transform((val) => val as Hex),
+        s: hexDataSchema.transform((val) => val as Hex),
+        v: hexNumberSchema.optional(),
+        yParity: hexNumberSchema.transform((val) => Number(val))
+    }),
+    z.object({
+        address: addressSchema,
+        chainId: hexNumberSchema.transform((val) => Number(val)),
+        nonce: hexNumberSchema.transform((val) => Number(val)),
+        r: hexDataSchema.transform((val) => val as Hex),
+        s: hexDataSchema.transform((val) => val as Hex),
+        v: hexNumberSchema.optional(),
+        yParity: hexNumberSchema.transform((val) => Number(val))
+    })
+])
+
 const userOperationSchemaPaymasterV6 = z
     .object({
         sender: addressSchema,
@@ -80,7 +101,8 @@ const userOperationSchemaPaymasterV6 = z
                 return "0x"
             }
             return val
-        })
+        }),
+        eip7702Auth: signedAuthorizationSchema.optional().nullable()
     })
     .strict()
     .transform((val) => {
@@ -122,7 +144,8 @@ const userOperationSchemaPaymasterV7 = z
                 return "0x"
             }
             return val
-        })
+        }),
+        eip7702Auth: signedAuthorizationSchema.optional().nullable()
     })
     .strict()
     .transform((val) => {
@@ -173,7 +196,8 @@ const eip7677UserOperationSchemaV6 = z
             .optional()
             .transform((_) => {
                 return "0x" as Hex
-            })
+            }),
+        eip7702Auth: signedAuthorizationSchema.optional().nullable()
     })
     .strict()
     .transform((val) => {
@@ -219,7 +243,8 @@ const eip7677UserOperationSchemaV7 = z
                 return "0x"
             }
             return val
-        })
+        }),
+        eip7702Auth: signedAuthorizationSchema.optional().nullable()
     })
     .strict()
     .transform((val) => {

package.json

@@ -634,6 +634,13 @@ export const setupContracts = async (rpc: string) => {
         data: "0x6e7dbabb000000000000000000000000E30c76Dc9eCF1c19F6Fec070674E1b4eFfE069FA0000000000000000000000000000000000000000000000000000000000000001"
     })
 
+    // register 0x2577507b78c2008Ff367261CB6285d44ba5eF2E9
+    await sendTransaction(walletClient, {
+        account: kernelFactoryOwner,
+        to: "0xd703aaE79538628d27099B8c4f621bE4CCd142d5" /* kernel factory v0.7 */,
+        data: "0x6e7dbabb0000000000000000000000002577507b78c2008Ff367261CB6285d44ba5eF2E90000000000000000000000000000000000000000000000000000000000000001"
+    })
+
     await sendTransaction(walletClient, {
         account: kernelFactoryOwner,
         to: "0xd703aaE79538628d27099B8c4f621bE4CCd142d5" /* kernel factory v0.7 */,
@@ -707,8 +714,8 @@ export const setupContracts = async (rpc: string) => {
         "0xbA45a2BFb8De3D24cA9D7F1B551E14dFF5d690Fd", // Kernel v0.3.1 WebAuthn Validator
         "0xD830D15D3dc0C269F3dBAa0F3e8626d33CFdaBe1", // Kernel v0.3.2 Account Logic
         "0x7a1dBAB750f12a90EB1B60D2Ae3aD17D4D81EfFe", // Kernel v0.3.2 Factory
-        "0xE264dCCc54e4b6906c0D1Fee11D4326c06D33c80", // Kernel v0.3.3 Account Logic
-        "0xE30c76Dc9eCF1c19F6Fec070674E1b4eFfE069FA", // Kernel v0.3.3 Factory
+        "0xd6CEDDe84be40893d153Be9d467CD6aD37875b28", // Kernel v0.3.3 Account Logic
+        "0x2577507b78c2008Ff367261CB6285d44ba5eF2E9", // Kernel v0.3.3 Factory
         "0x00004EC70002a32400f8ae005A26081065620D20", // LightAccountFactory v1.1.0
         "0xae8c656ad28F2B59a196AB61815C16A0AE1c3cba", // LightAccount v1.1.0 implementation
         "0x0000000000400CdFef5E2714E63d8040b700BC24", // LightAccountFactory v2.0.0

packages/mock-paymaster/helpers/schema.ts

@@ -29,10 +29,12 @@ export const getInstances = async ({
         ? anvil({
               chainId: foundry.id,
               port: anvilPort,
+              hardfork: "Prague",
               forkUrl
           })
         : anvil({
               chainId: foundry.id,
+              hardfork: "Prague",
               port: anvilPort
           })
 
@@ -49,10 +51,10 @@ export const getInstances = async ({
         utilityPrivateKey: anvilPrivateKey
     })
 
-    // instance.on("stderr", (data) => {
+    // altoInstance.on("stderr", (data) => {
     //     console.error(data.toString())
     // })
-    // instance.on("stdout", (data) => {
+    // altoInstance.on("stdout", (data) => {
     //     console.log(data.toString())
     // })
 

packages/permissionless-test/mock-aa-infra/alto/constants/accounts/kernel.ts

@@ -23,6 +23,7 @@ import {
 import { foundry } from "viem/chains"
 import {
     type KernelVersion,
+    to7702KernelSmartAccount,
     toKernelSmartAccount,
     toThirdwebSmartAccount
 } from "../../permissionless/accounts"
@@ -328,10 +329,12 @@ export const getKernelEcdsaClient = async <
     anvilRpc,
     version,
     privateKey,
-    useMetaFactory
+    useMetaFactory,
+    eip7702 = false
 }: AAParamType<entryPointVersion> & {
     version?: KernelVersion<entryPointVersion>
     useMetaFactory?: boolean
+    eip7702?: boolean
 }) => {
     const publicClient = getPublicClient(anvilRpc)
 
@@ -342,6 +345,13 @@ export const getKernelEcdsaClient = async <
         throw new Error("Kernel ERC7579 is not supported for V06")
     }
 
+    if (eip7702) {
+        return to7702KernelSmartAccount({
+            client: publicClient,
+            owner: privateKeyToAccount(privateKey ?? generatePrivateKey())
+        })
+    }
+
     return toKernelSmartAccount({
         client: publicClient,
         entryPoint: {
@@ -449,6 +459,7 @@ export const getCoreSmartAccounts = (): Array<{
     supportsEntryPointV06: boolean
     supportsEntryPointV07: boolean
     supportsEntryPointV08: boolean
+    isEip7702Compliant?: boolean
     isEip1271Compliant: boolean
     getSmartAccountClient: (
         conf: AAParamType<EntryPointVersion>
@@ -727,9 +738,37 @@ export const getCoreSmartAccounts = (): Array<{
             }),
         supportsEntryPointV06: false,
         supportsEntryPointV07: true,
-        supportsEntryPointV08: false,
+        supportsEntryPointV08: true,
         isEip1271Compliant: true
     },
+    {
+        name: "Kernel 7579 0.3.3 + EIP-7702",
+        getSmartAccountClient: async (conf: AAParamType<EntryPointVersion>) =>
+            getBundlerClient({
+                account: await getKernelEcdsaClient({
+                    ...(conf as AAParamType<"0.6" | "0.7">),
+                    version: "0.3.3" as KernelVersion<"0.6" | "0.7">,
+                    eip7702: true
+                }),
+                ...conf
+            }),
+        getErc7579SmartAccountClient: async (
+            conf: AAParamType<EntryPointVersion>
+        ) =>
+            getSmartAccountClient({
+                account: await getKernelEcdsaClient({
+                    ...(conf as AAParamType<"0.6" | "0.7">),
+                    version: "0.3.3" as KernelVersion<"0.6" | "0.7">,
+                    eip7702: true
+                }),
+                ...conf
+            }),
+        supportsEntryPointV06: false,
+        supportsEntryPointV07: true,
+        supportsEntryPointV08: false,
+        isEip7702Compliant: true,
+        isEip1271Compliant: false
+    },
     {
         name: "Biconomy",
         getSmartAccountClient: async (conf: AAParamType<EntryPointVersion>) =>

packages/permissionless-test/mock-aa-infra/alto/index.ts

@@ -42,6 +42,13 @@ import {
     toEcdsaKernelSmartAccount
 } from "./kernel/toEcdsaKernelSmartAccount.js"
 
+import {
+    type To7702KernelSmartAccountImplementation,
+    type To7702KernelSmartAccountParameters,
+    type To7702KernelSmartAccountReturnType,
+    to7702KernelSmartAccount
+} from "./kernel/to7702KernelSmartAccount.js"
+
 import {
     type KernelSmartAccountImplementation,
     type KernelVersion,
@@ -114,5 +121,9 @@ export {
     type ToEtherspotSmartAccountParameters,
     type EtherspotSmartAccountImplementation,
     type ToEtherspotSmartAccountReturnType,
-    toEtherspotSmartAccount
+    toEtherspotSmartAccount,
+    type To7702KernelSmartAccountParameters,
+    type To7702KernelSmartAccountImplementation,
+    type To7702KernelSmartAccountReturnType,
+    to7702KernelSmartAccount
 }