permissionless
Version:
A utility library for working with ERC-4337
80 lines • 4.25 kB
JavaScript
import { BaseError, concat, decodeAbiParameters, encodeDeployData } from "viem";
import { call } from "viem/actions";
import { getAction } from "viem/utils";
// https://github.com/pimlicolabs/contracts/blob/80277d0de609e6b5fb4cedeeb1fb9a023caed59f/src/GetSenderAddressHelper.sol
const GetSenderAddressHelperByteCode = "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";
const GetSenderAddressHelperAbi = [
{
inputs: [
{
internalType: "address",
name: "_entryPoint",
type: "address"
},
{
internalType: "bytes",
name: "initCode",
type: "bytes"
}
],
stateMutability: "payable",
type: "constructor"
}
];
export class InvalidEntryPointError extends BaseError {
constructor({ cause, entryPointAddress } = {}) {
super(`The entry point address (\`entryPoint\`${entryPointAddress ? ` = ${entryPointAddress}` : ""}) is not a valid entry point. getSenderAddress did not revert with a SenderAddressResult error.`, {
cause
});
Object.defineProperty(this, "name", {
enumerable: true,
configurable: true,
writable: true,
value: "InvalidEntryPointError"
});
}
}
/**
* Returns the address of the account that will be deployed with the given init code.
*
* - Docs: https://docs.pimlico.io/permissionless/reference/public-actions/getSenderAddress
*
* @param client {@link Client} that you created using viem's createPublicClient.
* @param args {@link GetSenderAddressParams} initCode & entryPoint
* @returns Sender's Address
*
* @example
* import { createPublicClient } from "viem"
* import { getSenderAddress } from "permissionless/actions"
*
* const publicClient = createPublicClient({
* chain: goerli,
* transport: http("https://goerli.infura.io/v3/your-infura-key")
* })
*
* const senderAddress = await getSenderAddress(publicClient, {
* initCode,
* entryPoint
* })
*
* // Return '0x7a88a206ba40b37a8c07a2b5688cf8b287318b63'
*/
export const getSenderAddress = async (client, args) => {
const { initCode, entryPointAddress, factory, factoryData } = args;
if (!initCode && !factory && !factoryData) {
throw new Error("Either `initCode` or `factory` and `factoryData` must be provided");
}
const formattedInitCode = initCode || concat([factory, factoryData]);
const { data } = await getAction(client, call, "call")({
data: encodeDeployData({
abi: GetSenderAddressHelperAbi,
bytecode: GetSenderAddressHelperByteCode,
args: [entryPointAddress, formattedInitCode]
})
});
if (!data) {
throw new Error("Failed to get sender address");
}
return decodeAbiParameters([{ type: "address" }], data)[0];
};
//# sourceMappingURL=getSenderAddress.js.map