getting error : "Invalid Hash."

[dhaval951]

on delegate method of PayUCheckoutProDelegate:
-> func onError(_ error: Error?) :

Error Domain=com.payu.PayUCheckoutPro Code=9999 "Invalid Hash." UserInfo={NSLocalizedDescription=Invalid Hash. IOS

in

func generateHash(for param: DictOfString, onCompletion: @escaping PayUHashGenerationCompletion) {
print("generateHash param\n (param) )")

    let commandName = (param[HashConstant.hashName] ?? "")
    let hashStringWithoutSalt = (param[HashConstant.hashString] ?? "")
    let postSalt = param[HashConstant.postSalt]
    // get hash for "commandName" from server
    // get hash for "hashStringWithoutSalt" from server

    // After fetching hash set its value in below variable "hashValue"
    var hashValue = ""
    if commandName == HashConstant.mcpLookup {
        hashValue = "<hmacsha1 hash for hashStringWithoutSalt and secret>"
    } else if let postSalt = postSalt {
        let hashString = hashStringWithoutSalt + (saltTextField.text ?? "") + postSalt
        hashValue = "<hmacsha512 hash for hashStringWithoutSalt and secret>"
    } else {
        hashValue = "<hmacsha512 hash for hashStringWithoutSalt and salt>"
    }
    print("hashValue is :\n\(hashValue) )")

    onCompletion([commandName: hashValue])
}

Like got console details is : 

generateHash param

["hashString": "{"phone":"9876543210","userToken":"","amount":"1"}|Tue, 09 Jan 2024 04:19:38|", "hashName": "fetch_quick_pay_option"] )
hashValue is :
)

Please provide me solution of this "Invalid Hash."

@umangarya336 Please help me

[ShubhGar]

@dhaval951 You need to append salt and then convert it to SHA512 hash on your server. please connect with [email protected]. And for security reason please delete all the data, you provided in your issue.