@biconomy/abstractjs
Version:
SDK for Biconomy integration with support for account abstraction, smart accounts, ERC-4337.
36 lines • 1.41 kB
JavaScript
import { prepareUserOperation } from "viem/account-abstraction";
import { getAction } from "viem/utils";
import { safeMultiplier } from "../../../account/utils/Utils.js";
const gasFields = [
"preVerificationGas",
"verificationGasLimit",
"callGasLimit",
"maxFeePerGas",
"maxPriorityFeePerGas",
"paymasterVerificationGasLimit",
"paymasterPostOpGasLimit"
];
export async function prepareUserOperationWithoutSignature(client, parameters) {
const { gasBuffer, ...args } = parameters;
let userOp = await getAction(client, prepareUserOperation, "prepareUserOperation")(args);
if (gasBuffer) {
// Fields that need gas safety margin applied
const { fields, factor } = gasBuffer;
const adjustedGasEstimates = gasFields.reduce((adjustedValues, field) => {
if (fields.includes(field)) {
adjustedValues[field] = safeMultiplier(userOp[field], factor);
}
return adjustedValues;
}, {});
// Apply gas safety margin to specified fields and merge with original userOp
userOp = {
...userOp,
...adjustedGasEstimates
};
}
// Remove signature from userOp if it exists
const { signature, ...userOpWithoutSignature } = userOp;
// @ts-ignore
return userOpWithoutSignature;
}
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