Facilitating the integration and deployment of Smart Accounts, as well as constructing and dispatching user operations, stands as a pivotal feature within any toolkit designed for ERC4337. This package seamlessly incorporates the fundamental attributes associated with ERC-4337, streamlining the development process for your Dapp's account and transaction rails while incorporating additional usability features.
The account package accomplishes this by offering a comprehensive set of methods, empowering developers to effortlessly generate UserOperations. Augmented by the sophisticated, developer-friendly, and scalable abstraction layer provided by Abstraxn, it ensures the efficient and reliable transmission of these operations across multiple EVM chains.
In ERC-4337, a smart account is a dedicated smart contract managing assets and generating userOps, pseudo-transaction objects executed on the EVM, replacing traditional Externally Owned Accounts.
The easiest way to use Abstraxn - Account is to install it from npm:
npm install @abstraxn/account
npm install ethers@5.7 @abstraxn/account @abstraxn/bundler @abstraxn/common @abstraxn/core-types @abstraxn/modules
import { Signer, ethers } from "ethers";
import { AbstraxnSmartAccount } from "@abstraxn/account";
import {
DEFAULT_ECDSA_OWNERSHIP_MODULE,
DEFAULT_ENTRYPOINT_ADDRESS,
ECDSAOwnershipValidationModule,
} from "@abstraxn/modules";
import { Bundler, IBundler } from "@abstraxn/bundler";
import { ChainId } from "@abstraxn/core-types";
// Create a new Web3Provider using the 'ethereum' object
const provider = new ethers.providers.Web3Provider(ethereum);
// create instance of bundlers
const bundler: IBundler = new Bundler({
bundlerUrl: "",
chainId: ChainId.POLYGON_MUMBAI, // you can use multiple chains available in chainId object
entryPointAddress: DEFAULT_ENTRYPOINT_ADDRESS,
});
// instance of ownership module
const ownerShipModule = await ECDSAOwnershipValidationModule.create({
signer: provider.getSigner() as Signer, // ethers signer object
moduleAddress: DEFAULT_ECDSA_OWNERSHIP_MODULE,
});
// Note that bundler is optional. You can choose to create new instances of this later and make account API use
const abstraxnSmartAccount = await AbstraxnSmartAccount.create({
chainId: ChainId.POLYGON_MUMBAI, // you can use multiple chains available in chainId object
activeValidationModule: ownerShipModule,
defaultValidationModule: ownerShipModule,
bundler: bundler, // instance of bundler
});
// you can get your smart account wallet address by getAccountAddress()
const address = await abstraxnSmartAccount.getAccountAddress();
//Contract instance
const contract = new ethers.Contract(
contractAddress,
Contract_ABI, // contract abi
provider
);
//contract function
const mint = await contract.populateTransaction.mint(
//walletAddress,
//amount
);
//transaction
const tx1 = {
to: contractAddress,
data: mint.data,
};
// you can create your userOp by buildUserOp()
const userOp = await abstraxnSmartAccount.buildUserOp([tx1, ...], {
overrides: {
...
}
});
// you can send your userOp to bundler by sendUserOp()
const userOpResponse = await abstraxnSmartAccount.sendUserOp(userOp);
//wait for response
const { receipt } = await userOpResponse.wait(1);
//your transaction receipt
console.log(receipt)
-
create()
- Used for setting the SDK API key on the frontend. -
getAccountAddress()
- Deploys a multisig wallet for the user. -
buildUserOp()
- Creates signatures for approvers for all transactions. -
sendUserOp()
- Executes functions using the multisig wallet. -
... and so on
This package is MIT licensed. (c) Antier Solutions 2024.