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150 changes: 80 additions & 70 deletions
150
advanced/wallets/react-wallet-v2/src/lib/smart-accounts/builders/SafeUserOpBuilder.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,90 @@ | ||
| import { generatePrivateKey, privateKeyToAccount } from "viem/accounts"; | ||
| import { FillUserOpParams, FillUserOpResponse, SendUserOpWithSigantureParams, SendUserOpWithSigantureResponse, UserOpBuilder } from "./UserOpBuilder"; | ||
| import { createPublicClient, http } from "viem"; | ||
| import { signerToSafeSmartAccount } from "permissionless/accounts"; | ||
| import { createSmartAccountClient, ENTRYPOINT_ADDRESS_V07, getUserOperationHash } from "permissionless"; | ||
| import { createPimlicoBundlerClient, createPimlicoPaymasterClient } from "permissionless/clients/pimlico"; | ||
| import { bundlerUrl, paymasterUrl, publicClientUrl } from "@/utils/SmartAccountUtil"; | ||
|
|
||
| import { getChainById } from "@/utils/ChainUtil"; | ||
| import { generatePrivateKey, privateKeyToAccount } from 'viem/accounts' | ||
| import { | ||
| FillUserOpParams, | ||
| FillUserOpResponse, | ||
| SendUserOpWithSigantureParams, | ||
| SendUserOpWithSigantureResponse, | ||
| UserOpBuilder | ||
| } from './UserOpBuilder' | ||
| import { createPublicClient, http } from 'viem' | ||
| import { signerToSafeSmartAccount } from 'permissionless/accounts' | ||
| import { | ||
| createSmartAccountClient, | ||
| ENTRYPOINT_ADDRESS_V07, | ||
| getUserOperationHash | ||
| } from 'permissionless' | ||
| import { | ||
| createPimlicoBundlerClient, | ||
| createPimlicoPaymasterClient | ||
| } from 'permissionless/clients/pimlico' | ||
| import { bundlerUrl, paymasterUrl, publicClientUrl } from '@/utils/SmartAccountUtil' | ||
|
|
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| import { getChainById } from '@/utils/ChainUtil' | ||
|
|
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| const PIMLICO_API_KEY = process.env['NEXT_PUBLIC_PIMLICO_KEY'] | ||
|
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| export class SafeUserOpBuilder implements UserOpBuilder { | ||
| async fillUserOp(params: FillUserOpParams): Promise<FillUserOpResponse> { | ||
| const privateKey = generatePrivateKey() | ||
| const signer = privateKeyToAccount(privateKey) | ||
| const chain = getChainById(params.chainId) | ||
|
|
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| const publicClient = createPublicClient({ | ||
| transport: http(publicClientUrl({ chain })) | ||
| }) | ||
|
|
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| async fillUserOp(params: FillUserOpParams): Promise<FillUserOpResponse> { | ||
|
|
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| const privateKey = generatePrivateKey() | ||
| const signer = privateKeyToAccount(privateKey) | ||
| const chain = getChainById(params.chainId) | ||
|
|
||
| const publicClient = createPublicClient({ | ||
| transport: http(publicClientUrl({ chain })) | ||
| }) | ||
| const paymasterClient = createPimlicoPaymasterClient({ | ||
| transport: http(paymasterUrl({ chain }), { | ||
| timeout: 30000 | ||
| }), | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07 | ||
| }) | ||
|
|
||
| const paymasterClient = createPimlicoPaymasterClient({ | ||
| transport: http(paymasterUrl({ chain }), { | ||
| timeout: 30000 | ||
| }), | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| }) | ||
| const bundlerTransport = http(bundlerUrl({ chain }), { | ||
| timeout: 30000 | ||
| }) | ||
| const pimlicoBundlerClient = createPimlicoBundlerClient({ | ||
| transport: bundlerTransport, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07 | ||
| }) | ||
|
|
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| const bundlerTransport = http(bundlerUrl({ chain }), { | ||
| timeout: 30000 | ||
| }) | ||
| const pimlicoBundlerClient = createPimlicoBundlerClient({ | ||
| transport: bundlerTransport, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| }) | ||
|
|
||
| const safeAccount = await signerToSafeSmartAccount(publicClient, { | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| signer: signer, | ||
| safeVersion: "1.4.1", | ||
| address: params.account | ||
| }) | ||
|
|
||
| const smartAccountClient = createSmartAccountClient({ | ||
| account: safeAccount, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| chain, | ||
| bundlerTransport, | ||
| middleware: { | ||
| sponsorUserOperation: paymasterClient.sponsorUserOperation, // optional | ||
| gasPrice: async () => (await pimlicoBundlerClient.getUserOperationGasPrice()).fast, // if using pimlico bundler | ||
| }, | ||
| }) | ||
| const account = smartAccountClient.account | ||
| const userOp = await smartAccountClient.prepareUserOperationRequest({ | ||
| userOperation: { | ||
| callData: await account.encodeCallData(params.calls) | ||
| }, | ||
| account: account | ||
| }) | ||
| const hash = getUserOperationHash({ | ||
| userOperation: userOp, | ||
| chainId: chain.id, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07 | ||
| }) | ||
| return { | ||
| userOp, | ||
| hash | ||
| } | ||
| } | ||
| sendUserOpWithSignature(params: SendUserOpWithSigantureParams): Promise<SendUserOpWithSigantureResponse> { | ||
| throw new Error("Method not implemented."); | ||
| } | ||
| const safeAccount = await signerToSafeSmartAccount(publicClient, { | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| signer: signer, | ||
| safeVersion: '1.4.1', | ||
| address: params.account | ||
| }) | ||
|
|
||
| } | ||
| const smartAccountClient = createSmartAccountClient({ | ||
| account: safeAccount, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07, | ||
| chain, | ||
| bundlerTransport, | ||
| middleware: { | ||
| sponsorUserOperation: paymasterClient.sponsorUserOperation, // optional | ||
| gasPrice: async () => (await pimlicoBundlerClient.getUserOperationGasPrice()).fast // if using pimlico bundler | ||
| } | ||
| }) | ||
| const account = smartAccountClient.account | ||
| const userOp = await smartAccountClient.prepareUserOperationRequest({ | ||
| userOperation: { | ||
| callData: await account.encodeCallData(params.calls) | ||
| }, | ||
| account: account | ||
| }) | ||
| const hash = getUserOperationHash({ | ||
| userOperation: userOp, | ||
| chainId: chain.id, | ||
| entryPoint: ENTRYPOINT_ADDRESS_V07 | ||
| }) | ||
| return { | ||
| userOp, | ||
| hash | ||
| } | ||
| } | ||
| sendUserOpWithSignature( | ||
| params: SendUserOpWithSigantureParams | ||
| ): Promise<SendUserOpWithSigantureResponse> { | ||
| throw new Error('Method not implemented.') | ||
| } | ||
| } |
41 changes: 21 additions & 20 deletions
41
advanced/wallets/react-wallet-v2/src/lib/smart-accounts/builders/UserOpBuilder.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,36 @@ | ||
| import { UserOperation } from "permissionless"; | ||
| import { Address, Hex } from "viem"; | ||
| import { UserOperation } from 'permissionless' | ||
| import { Address, Hex } from 'viem' | ||
|
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| type Call = { to: Address; value: bigint; data: Hex } | ||
|
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| type UserOp = UserOperation<"v0.7"> | ||
| type UserOp = UserOperation<'v0.7'> | ||
|
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| export type FillUserOpParams = { | ||
| chainId: number; | ||
| account: Address; | ||
| calls: Call[]; | ||
| capabilities: { | ||
| paymasterService?: { url: string }; | ||
| permissions?: { context: Hex }; | ||
| }; | ||
| chainId: number | ||
| account: Address | ||
| calls: Call[] | ||
| capabilities: { | ||
| paymasterService?: { url: string } | ||
| permissions?: { context: Hex } | ||
| } | ||
| } | ||
| export type FillUserOpResponse = { | ||
| userOp: UserOp | ||
| hash: Hex | ||
| } | ||
| } | ||
| export type SendUserOpWithSigantureParams = { | ||
| chainId: Hex; | ||
| userOp: UserOp; | ||
| signature: Hex; | ||
| permissionsContext?: Hex; | ||
| chainId: Hex | ||
| userOp: UserOp | ||
| signature: Hex | ||
| permissionsContext?: Hex | ||
| } | ||
| export type SendUserOpWithSigantureResponse = { | ||
| receipt: Hex | ||
| receipt: Hex | ||
| } | ||
|
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|
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| export interface UserOpBuilder { | ||
| fillUserOp(params: FillUserOpParams): Promise<FillUserOpResponse> | ||
| sendUserOpWithSignature(params: SendUserOpWithSigantureParams): Promise<SendUserOpWithSigantureResponse> | ||
| } | ||
| fillUserOp(params: FillUserOpParams): Promise<FillUserOpResponse> | ||
| sendUserOpWithSignature( | ||
| params: SendUserOpWithSigantureParams | ||
| ): Promise<SendUserOpWithSigantureResponse> | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,12 @@ | ||
| import { SafeUserOpBuilder } from "@/lib/smart-accounts/builders/SafeUserOpBuilder"; | ||
| import { FillUserOpResponse } from "@/lib/smart-accounts/builders/UserOpBuilder"; | ||
| import { NextApiRequest, NextApiResponse } from "next"; | ||
| import { SafeUserOpBuilder } from '@/lib/smart-accounts/builders/SafeUserOpBuilder' | ||
| import { FillUserOpResponse } from '@/lib/smart-accounts/builders/UserOpBuilder' | ||
| import { NextApiRequest, NextApiResponse } from 'next' | ||
|
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|
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| export default async function handler( | ||
| req: NextApiRequest, | ||
| res: NextApiResponse<FillUserOpResponse> | ||
| ) { | ||
| const builder = new SafeUserOpBuilder() | ||
| const response = await builder.fillUserOp(req.body) | ||
| res.status(200).json(response) | ||
| } | ||
| req: NextApiRequest, | ||
| res: NextApiResponse<FillUserOpResponse> | ||
| ) { | ||
| const builder = new SafeUserOpBuilder() | ||
| const response = await builder.fillUserOp(req.body) | ||
| res.status(200).json(response) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,13 +1,12 @@ | ||
| import * as chains from "viem/chains"; | ||
| import { Chain } from "viem/chains"; | ||
|
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| import * as chains from 'viem/chains' | ||
| import { Chain } from 'viem/chains' | ||
|
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| export function getChainById(chainId: number): Chain { | ||
| for (const chain of Object.values(chains)) { | ||
| if (chain.id === chainId) { | ||
| return chain; | ||
| } | ||
| for (const chain of Object.values(chains)) { | ||
| if (chain.id === chainId) { | ||
| return chain | ||
| } | ||
|
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| throw new Error(`Chain with id ${chainId} not found`); | ||
| } | ||
| } | ||
|
|
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| throw new Error(`Chain with id ${chainId} not found`) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -212,4 +212,3 @@ export function bigIntReplacer(_key: string, value: any) { | |
|
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| return value | ||
| } | ||
|
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||
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