startale-aa-sdk
Version:
SDK for startale account integration with support for account abstraction, ERC-7579, ERC-4337.
44 lines • 1.76 kB
JavaScript
import {} from "viem";
import { sendUserOperation } from "viem/account-abstraction";
import { getAction } from "viem/utils";
import { prepareTokenPaymasterUserOp } from "./prepareTokenPaymasterUserOp.js";
/**
* Prepares and sends a user operation with token paymaster
*
* @param client - The Startale client instance
* @param args - The parameters for the token paymaster user operation
* @param args.calls - Array of transactions to be executed
* @param args.feeTokenAddress - Address of the token to be used for paying gas fees
* @param args.customApprovalAmount - Optional custom amount to approve for the paymaster (defaults to unlimited)
*
* @example
* ```ts
* const hash = await sendTokenPaymasterUserOp(client, {
* calls: [{
* to: "0x...", // Contract address
* data: "0x...", // Encoded function data
* value: BigInt(0)
* }],
* feeTokenAddress: "0x...", // USDC/USDT/etc address
* customApprovalAmount: BigInt(1000) // Optional: specific approval amount
* })
* ```
*
* @returns A promise that resolves to the user operation hash {@link Hash}
*/
export async function sendTokenPaymasterUserOp(client, args) {
const { calls, feeTokenAddress, customApprovalAmount } = args;
const userOp = await getAction(client, prepareTokenPaymasterUserOp, "prepareTokenPaymasterUserOperation")({
calls,
// Removed batching approval here as it is part of prepareTokenPaymasterUserOp
feeTokenAddress,
customApprovalAmount
});
const partialUserOp = {
...userOp,
signature: undefined
};
const userOpHash = await getAction(client, sendUserOperation, "sendUserOperation")(partialUserOp);
return userOpHash;
}
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