@owlprotocol/contracts-account-abstraction/lib/cjs/VerifyingPaymaster.js

ERC4337 Account Abstraction support for deploying relevant smart contracts and interacting with UserOps.

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var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var VerifyingPaymaster_exports = {};
__export(VerifyingPaymaster_exports, {
  getVerifyingPaymasterHash: () => getVerifyingPaymasterHash
});
module.exports = __toCommonJS(VerifyingPaymaster_exports);
var import_viem = require("viem");
function getVerifyingPaymasterHash(params) {
  const { chainId, userOperation } = params;
  const abi = [
    { type: "address", name: "sender" },
    { type: "uint256", name: "nonce" },
    { type: "bytes32", name: "initCodeHash" },
    { type: "bytes32", name: "callDataHash" },
    { type: "bytes32", name: "accountGasLimits" },
    { type: "uint256", name: "paymasterAndData" },
    { type: "uint256", name: "preVerificationGas" },
    { type: "bytes32", name: "gasFees" },
    { type: "uint256", name: "chainId" },
    { type: "address", name: "paymaster" },
    { type: "uint48", name: "validUntil" },
    { type: "uint48", name: "validAfter" }
  ];
  const [validUntil, validAfter] = (0, import_viem.decodeAbiParameters)(
    [
      { name: "validUntil", type: "uint48" },
      { name: "validAfter", type: "uint48" }
    ],
    (0, import_viem.sliceHex)(userOperation.paymasterAndData, 52)
  );
  return (0, import_viem.keccak256)(
    (0, import_viem.encodeAbiParameters)(abi, [
      userOperation.sender,
      userOperation.nonce,
      (0, import_viem.keccak256)(userOperation.initCode),
      (0, import_viem.keccak256)(userOperation.callData),
      userOperation.accountGasLimits,
      (0, import_viem.sliceHex)(userOperation.paymasterAndData, 20, 52),
      //paymaster gas
      userOperation.preVerificationGas,
      userOperation.gasFees,
      chainId,
      (0, import_viem.sliceHex)(userOperation.paymasterAndData, 0, 20),
      // paymaster address
      validUntil,
      validAfter
    ])
  );
}