getSignedPaymasterData method

Future<String> getSignedPaymasterData(UserOperation userOp)

Implementation

Future<String> getSignedPaymasterData(UserOperation userOp) async {
  try {
    var paymasterAddress = this.paymasterConfig.address;
    if (this.paymasterConfig.paymasterType == PaymasterType.Allowlist) {
      print("Getting signed allowlist paymaster data");
      var paymasterContract =
          AllowListPaymaster(contractAddress: paymasterAddress);
      var paymasterhash = await paymasterContract.getHash2(
        userOp: [
          EthereumAddress.fromHex(userOp.sender as String),
          BigInt.from(userOp.nonce!),
          hex.decode((userOp.initCode as String).substring(2)),
          hex.decode((userOp.callData as String).substring(2)),
          BigInt.from(userOp.callGasLimit!),
          BigInt.from(userOp.verificationGasLimit!),
          BigInt.from(userOp.preVerificationGas!),
          BigInt.from(userOp.maxFeePerGas!),
          BigInt.from(userOp.maxPriorityFeePerGas!),
          Uint8List.fromList([]),
          hex.decode((userOp.signature as String).substring(2)),
        ],
      );
      print("paymaster hash " + hex.encode(paymasterhash[0] as List<int>));
      // var acc=
      var signedPaymasterData = await fetchSignature(
          hex.encode(paymasterhash[0] as List<int>), this.signer, true);
      // var signedPaymasterData = await getSignatureFromServer(paymasterhash);
      print(signedPaymasterData);
      return signedPaymasterData;
    }
    return "";
  } on Exception catch (e) {
    print(e);
    throw Exception("Could not get signed paymaster data");
  }
}