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README.md

MTProto

help wanted godoc reference Go Report Card license MIT chat telegram version v0.1.0 unstable

FINALLY! Full-native implementation of MTProto protocol on Golang!

english русский

Features

Full native implementation

All code, from sending requests to encryption serialization is written on pure golang. You don't need to fetch any additional dependencies.





Latest API version (117+)

Lib is supports all the API and MTProto features, including video calls and post comments. You can create additional pull request to push api updates!






Reactive API updates (generated from TL schema)

All changes in TDLib and Android client are monitoring to get the latest features and changes in TL schemas. New methods are creates by adding new lines into TL schema and updating generated code!




Implements ONLY network tools

No more SQLite databases and caching unnecessary files, that you don't need. Also you can control how sessions are stored, auth process and literally everything that you need!




Multiaccounting, Gateway mode

You can use more than 10 accounts at same time! xelaj/MTProto doesn't create huge overhead in memory or cpu consumption as TDLib. Thanks for that, you can create huge number of connection instances and don't worry about memory overload!




How to use

MTProto is really hard in implementation, but it's really easy to use. Basically, this lib sends serialized structures to Telegram servers (just like gRPC, but from Telegram LLC.). It looks like this:

func main() {
    client := &Telegram.NewClient()
    // for each method there is specific struct for serialization (<method_name>Params{})
    result, err := client.MakeRequest(&telegram.GetSomeInfoParams{FromChatId: 12345})
    if err != nil {
        panic(err)
    }

    resp, ok := result.(*SomeResponseObject)
    if !ok {
        panic("Oh no! Wrong type!")
    }
}

Not so hard, huh? But there is even easier way to send request, which is included in TL API specification:

func main() {
    client := &Telegram.NewClient()
    resp, err := client.GetSomeInfo(12345)
    if err != nil {
        panic(err)
    }

    // resp will be already asserted as described in TL specs of API
    // if _, ok := resp.(*SomeResponseObject); !ok {
    //     panic("No way, we found a bug! Create new issue!")
    // }

    println(resp.InfoAboutSomething)
}

You do not need to think about encryption, key exchange, saving and restoring session, and more routine things. It is already implemented just for you.

Code examples are here

Full docs are here

Getting started

Simple How-To

Installation is simple. Just do go get:

go get github.com/xelaj/mtproto

After that you can generate source structures of methods and functions if you wish to. To do it, use go generate

go generate github.com/xelaj/mtproto

That's it! You don't need to do anything more!

What is InvokeWithLayer?

It's Telegram specific feature. I you want to create client instance and get information about the current servers configuration, you need to do something like this:

    resp, err := client.InvokeWithLayer(apiVersion, &telegram.InitConnectionParams{
        ApiID:          124100,
        DeviceModel:    "Unknown",
        SystemVersion:  "linux/amd64",
        AppVersion:     "0.1.0",
	// just use "en", any other language codes will receive error. See telegram docs for more info.
        SystemLangCode: "en",
        LangCode:       "en",
        // HelpGetConfig() is ACTUAL request, but wrapped in IvokeWithLayer
        Query:          &telegram.HelpGetConfigParams{},
    })

Why? We don't know! This method is described in Telegram API docs, any other starting requests will receive error.

How to use phone authorization?

Example here

func AuthByPhone() {
    resp, err := client.AuthSendCode(
        yourPhone,
        appID,
        appHash,
        &telegram.CodeSettings{},
    )
	if err != nil {
        panic(err)
    }


    // You can make any way to enter verification code, like in
    // http requests, or what you like. You just need to call two
    // requests, that's main method.
	fmt.Print("Auth code:")
	code, _ := bufio.NewReader(os.Stdin).ReadString('\n')
    code = strings.Replace(code, "\n", "", -1)

    // this is ALL process of authorization! :)
    fmt.Println(client.AuthSignIn(yourPhone, resp.PhoneCodeHash, code))
}

That's it! You don't need any cycles, code is ready-to-go for async execution. You just need to follow the official Telegram API documentation.

Docs are empty. Why?

There is a pretty huge chunk of documentation. We are ready to describe every method and object, but its requires a lot of work. Although all methods are already described here.

Does this project support Windows?

Technically — yes. In practice — components don't require specific architecture, but we didn't test it yet. If you have any problems running it, just create an issue, we will try to help.

Who use it

Contributing

Please read contributing guide if you want to help. And the help is very necessary!

TODO

[ ]

Authors

License

WARNING! This project is only maintained by Xelaj inc., however copyright of this source code IS NOT owned by Xelaj inc. at all. If you want to connect with code owners, write mail to this email. For all other questions like any issues, PRs, questions, etc. Use GitHub issues, or find email on official website.

This project is licensed under the MIT License - see the LICENSE file for details

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