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import "dotenv/config"

import {

createKernelAccount,

createZeroDevPaymasterClient,

createKernelAccountClient,

addressToEmptyAccount,

} from "@zerodev/sdk"

import { signerToEcdsaValidator } from "@zerodev/ecdsa-validator"

import {

signerToSessionKeyValidator,

ParamOperator,

serializeSessionKeyAccount,

deserializeSessionKeyAccount,

oneAddress,

} from "@zerodev/session-key"

import { UserOperation } from "permissionless"

import {

http,

Hex,

createPublicClient,

parseAbi,

encodeFunctionData,

Address,

} from "viem"

import { generatePrivateKey, privateKeyToAccount } from "viem/accounts"

import { polygonMumbai } from "viem/chains"

if (

!process.env.BUNDLER_RPC ||

!process.env.PAYMASTER_RPC ||

!process.env.PRIVATE_KEY

) {

throw new Error("BUNDLER_RPC or PAYMASTER_RPC or PRIVATE_KEY is not set")

}

const publicClient = createPublicClient({

chain: polygonMumbai,

transport: http(process.env.BUNDLER_RPC),

})

const signer = privateKeyToAccount(process.env.PRIVATE_KEY as Hex)

const contractAddress = "0x34bE7f35132E97915633BC1fc020364EA5134863"

const contractABI = parseAbi([

"function mint(address _to) public",

"function balanceOf(address owner) external view returns (uint256 balance)",

])

const sessionPrivateKey = generatePrivateKey()

const sessionKeySigner = privateKeyToAccount(sessionPrivateKey)

const createSessionKey = async () => {

const createSessionKey = async (sessionKeyAddress: Address) => {

const ecdsaValidator = await signerToEcdsaValidator(publicClient, {

signer,

})

const masterAccount = await createKernelAccount(publicClient, {

plugins: {

sudo: ecdsaValidator,

})

console.log("Account address:", masterAccount.address)

// Create an "empty account" as the signer -- you only need the public

// key (address) to do this.

const emptySessionKeySigner = addressToEmptyAccount(sessionKeyAddress)

const sessionKeyValidator = await signerToSessionKeyValidator(publicClient, {

signer: sessionKeySigner,

signer: emptySessionKeySigner,

validatorData: {

paymaster: oneAddress,

permissions: [

{

target: contractAddress,

// Maximum value that can be transferred. In this case we

// set it to zero so that no value transfer is possible.

valueLimit: BigInt(0),

// Contract abi

abi: contractABI,

// Function name

functionName: "mint",

// An array of conditions, each corresponding to an argument for

// the function.

args: [

{

// In this case, we are saying that the session key can only mint

// NFTs to the account itself

operator: ParamOperator.EQUAL,

value: masterAccount.address,

})

const sessionKeyAccount = await createKernelAccount(publicClient, {

plugins: {

sudo: ecdsaValidator,

regular: sessionKeyValidator,

})

// Include the private key when you serialize the session key

return await serializeSessionKeyAccount(sessionKeyAccount)

return await serializeSessionKeyAccount(sessionKeyAccount, sessionPrivateKey)

}

const useSessionKey = async (serializedSessionKey: string) => {

const useSessionKey = async (serializedSessionKey: string, sessionKeySigner: any) => {

const sessionKeyAccount = await deserializeSessionKeyAccount(publicClient, serializedSessionKey)

const sessionKeyAccount = await deserializeSessionKeyAccount(publicClient, serializedSessionKey, sessionKeySigner)

const kernelClient = createKernelAccountClient({

account: sessionKeyAccount,

chain: polygonMumbai,

transport: http(process.env.BUNDLER_RPC),

sponsorUserOperation: async ({ userOperation }): Promise<UserOperation> => {

const kernelPaymaster = createZeroDevPaymasterClient({

chain: polygonMumbai,

transport: http(process.env.PAYMASTER_RPC),

})

return kernelPaymaster.sponsorUserOperation({

userOperation,

})

const userOpHash = await kernelClient.sendUserOperation({

userOperation: {

callData: await sessionKeyAccount.encodeCallData({

to: contractAddress,

value: BigInt(0),

data: encodeFunctionData({

abi: contractABI,

functionName: "mint",

args: [sessionKeyAccount.address],

}),

})

console.log("userOp hash:", userOpHash)

}

const main = async () => {

// The owner creates a session key, serializes it, and shares it with the agent.

// The agent creates a public-private key pair and sends

const serializedSessionKey = await createSessionKey()

// the public key (address) to the owner.

const sessionPrivateKey = generatePrivateKey()

const sessionKeySigner = privateKeyToAccount(sessionPrivateKey)

// The agent reconstructs the session key using the serialized value

// The owner authorizes the public key by signing it and sending

await useSessionKey(serializedSessionKey)

// back the signature

const serializedSessionKey = await createSessionKey(sessionKeySigner.address)

// The agent constructs a full session key

await useSessionKey(serializedSessionKey, sessionKeySigner)

}

main()

Gespeicherte Diffs

Originaltext

Datei öffnen

import "dotenv/config"
import {
  createKernelAccount,
  createZeroDevPaymasterClient,
  createKernelAccountClient,
} from "@zerodev/sdk"
import { signerToEcdsaValidator } from "@zerodev/ecdsa-validator"
import {
  signerToSessionKeyValidator,
  ParamOperator,
  serializeSessionKeyAccount,
  deserializeSessionKeyAccount,
  oneAddress,
} from "@zerodev/session-key"
import { UserOperation } from "permissionless"
import {
  http,
  Hex,
  createPublicClient,
  parseAbi,
  encodeFunctionData,
} from "viem"
import { generatePrivateKey, privateKeyToAccount } from "viem/accounts"
import { polygonMumbai } from "viem/chains"

if (
  !process.env.BUNDLER_RPC ||
  !process.env.PAYMASTER_RPC ||
  !process.env.PRIVATE_KEY
) {
  throw new Error("BUNDLER_RPC or PAYMASTER_RPC or PRIVATE_KEY is not set")
}

const publicClient = createPublicClient({
  chain: polygonMumbai,
  transport: http(process.env.BUNDLER_RPC),
})

const signer = privateKeyToAccount(process.env.PRIVATE_KEY as Hex)
const contractAddress = "0x34bE7f35132E97915633BC1fc020364EA5134863"
const contractABI = parseAbi([
  "function mint(address _to) public",
  "function balanceOf(address owner) external view returns (uint256 balance)",
])
const sessionPrivateKey = generatePrivateKey()
const sessionKeySigner = privateKeyToAccount(sessionPrivateKey)

const createSessionKey = async () => {

const ecdsaValidator = await signerToEcdsaValidator(publicClient, {
    signer,
  })

const masterAccount = await createKernelAccount(publicClient, {
    plugins: {
      sudo: ecdsaValidator,
    },
  })
  console.log("Account address:", masterAccount.address)

const sessionKeyValidator = await signerToSessionKeyValidator(publicClient, {
    signer: sessionKeySigner,
    validatorData: {
      paymaster: oneAddress,
      permissions: [
        {
          target: contractAddress,
          // Maximum value that can be transferred.  In this case we
          // set it to zero so that no value transfer is possible.
          valueLimit: BigInt(0),
          // Contract abi
          abi: contractABI,
          // Function name
          functionName: "mint",
          // An array of conditions, each corresponding to an argument for
          // the function.
          args: [
            {
              // In this case, we are saying that the session key can only mint
              // NFTs to the account itself
              operator: ParamOperator.EQUAL,
              value: masterAccount.address,
            },
          ],
        },
      ],
    },
  })

const sessionKeyAccount = await createKernelAccount(publicClient, {
    plugins: {
      sudo: ecdsaValidator,
      regular: sessionKeyValidator,
    },
  })

// Include the private key when you serialize the session key
  return await serializeSessionKeyAccount(sessionKeyAccount, sessionPrivateKey)
}

const useSessionKey = async (serializedSessionKey: string) => {
  const sessionKeyAccount = await deserializeSessionKeyAccount(publicClient, serializedSessionKey)

const kernelClient = createKernelAccountClient({
    account: sessionKeyAccount,
    chain: polygonMumbai,
    transport: http(process.env.BUNDLER_RPC),
    sponsorUserOperation: async ({ userOperation }): Promise<UserOperation> => {
      const kernelPaymaster = createZeroDevPaymasterClient({
        chain: polygonMumbai,
        transport: http(process.env.PAYMASTER_RPC),
      })
      return kernelPaymaster.sponsorUserOperation({
        userOperation,
      })
    },
  })

const userOpHash = await kernelClient.sendUserOperation({
    userOperation: {
      callData: await sessionKeyAccount.encodeCallData({
        to: contractAddress,
        value: BigInt(0),
        data: encodeFunctionData({
          abi: contractABI,
          functionName: "mint",
          args: [sessionKeyAccount.address],
        }),
      }),
    },
  })

console.log("userOp hash:", userOpHash)
}

const main = async () => {

// The owner creates a session key, serializes it, and shares it with the agent.
  const serializedSessionKey = await createSessionKey()

// The agent reconstructs the session key using the serialized value
  await useSessionKey(serializedSessionKey)

}

main()

Bearbeitung

Datei öffnen

import "dotenv/config"
import {
  createKernelAccount,
  createZeroDevPaymasterClient,
  createKernelAccountClient,
  addressToEmptyAccount,
} from "@zerodev/sdk"
import { signerToEcdsaValidator } from "@zerodev/ecdsa-validator"
import {
  signerToSessionKeyValidator,
  ParamOperator,
  serializeSessionKeyAccount,
  deserializeSessionKeyAccount,
  oneAddress,
} from "@zerodev/session-key"
import { UserOperation } from "permissionless"
import {
  http,
  Hex,
  createPublicClient,
  parseAbi,
  encodeFunctionData,
  Address,
} from "viem"
import { generatePrivateKey, privateKeyToAccount } from "viem/accounts"
import { polygonMumbai } from "viem/chains"

if (
  !process.env.BUNDLER_RPC ||
  !process.env.PAYMASTER_RPC ||
  !process.env.PRIVATE_KEY
) {
  throw new Error("BUNDLER_RPC or PAYMASTER_RPC or PRIVATE_KEY is not set")
}

const publicClient = createPublicClient({
  transport: http(process.env.BUNDLER_RPC),
})

const createSessionKey = async (sessionKeyAddress: Address) => {
  const ecdsaValidator = await signerToEcdsaValidator(publicClient, {
    signer,
  })

const masterAccount = await createKernelAccount(publicClient, {
    plugins: {
      sudo: ecdsaValidator,
    },
  })
  console.log("Account address:", masterAccount.address)

// Create an "empty account" as the signer -- you only need the public
  // key (address) to do this.
  const emptySessionKeySigner = addressToEmptyAccount(sessionKeyAddress)

const sessionKeyValidator = await signerToSessionKeyValidator(publicClient, {
    signer: emptySessionKeySigner,
    validatorData: {
      paymaster: oneAddress,
      permissions: [
        {
          target: contractAddress,
          // Maximum value that can be transferred.  In this case we
          // set it to zero so that no value transfer is possible.
          valueLimit: BigInt(0),
          // Contract abi
          abi: contractABI,
          // Function name
          functionName: "mint",
          // An array of conditions, each corresponding to an argument for
          // the function.
          args: [
            {
              // In this case, we are saying that the session key can only mint
              // NFTs to the account itself
              operator: ParamOperator.EQUAL,
              value: masterAccount.address,
            },
          ],
        },
      ],
    },
  })

const sessionKeyAccount = await createKernelAccount(publicClient, {
    plugins: {
      sudo: ecdsaValidator,
      regular: sessionKeyValidator,
    },
  })

return await serializeSessionKeyAccount(sessionKeyAccount)
}

const useSessionKey = async (serializedSessionKey: string, sessionKeySigner: any) => {
  const sessionKeyAccount = await deserializeSessionKeyAccount(publicClient, serializedSessionKey, sessionKeySigner)

console.log("userOp hash:", userOpHash)
}

const main = async () => {

// The agent creates a public-private key pair and sends
  // the public key (address) to the owner.
  const sessionPrivateKey = generatePrivateKey()
  const sessionKeySigner = privateKeyToAccount(sessionPrivateKey)

// The owner authorizes the public key by signing it and sending
  // back the signature
  const serializedSessionKey = await createSessionKey(sessionKeySigner.address)

// The agent constructs a full session key
  await useSessionKey(serializedSessionKey, sessionKeySigner)

}

main()