Crate layer_client 

layer-client

Production-grade async Telegram client built on MTProto.

Features

• User login (phone + code + 2FA SRP) and bot token login
• Peer access-hash caching — API calls always carry correct access hashes
• FLOOD_WAIT auto-retry with configurable policy
• Typed async update stream: NewMessage, MessageEdited, MessageDeleted, CallbackQuery, InlineQuery, InlineSend, Raw
• Send / edit / delete / forward / pin messages
• Search messages (per-chat and global)
• Mark as read, delete dialogs, clear mentions
• Join chat / accept invite links
• Chat action (typing, uploading, …)
• get_me() — fetch own User info
• Paginated dialog and message iterators
• DC migration, session persistence, reconnect

Re-exports

pub use update::Update;

pub use media::UploadedFile;

pub use media::DownloadIter;

pub use participants::Participant;

pub use typing_guard::TypingGuard;

pub use socks5::Socks5Config;

pub use session_backend::SessionBackend;

pub use session_backend::BinaryFileBackend;

pub use session_backend::InMemoryBackend;

Modules

dc_pool

Multi-DC connection pool.

inline_iter

Paginated inline query iterator.

media

Media upload and download support.

parsers

Text formatting parsers: HTML and Markdown ↔ Telegram [MessageEntity]

participants

Chat participant and member management.

pts

Update gap detection and recovery via updates.getDifference.

session_backend

Pluggable session storage backend.

socks5

SOCKS5 proxy connector.

transport_intermediate

MTProto Intermediate and Full transport framing.

transport_obfuscated

Obfuscated MTProto transport.

typing_guard

RAII typing indicator guard.

update

High-level update types delivered by crate::Client::stream_updates.

Structs

AutoSleep

Automatically sleep on FLOOD_WAIT and retry once on I/O errors.

Client

The main Telegram client. Cheap to clone — internally Arc-wrapped.

Config

Configuration for Client::connect.

Dialog

A Telegram dialog (chat, user, channel).

DialogIter

Cursor-based iterator over dialogs. Created by Client::iter_dialogs.

InputMessage

Builder for composing outgoing messages.

LoginToken

Opaque token returned by crate::Client::request_login_code.

MessageIter

Cursor-based iterator over message history. Created by Client::iter_messages.

NoRetries

Never retry.

PasswordToken

Opaque 2FA challenge token returned in SignInError::PasswordRequired.

RetryContext

Context passed to RetryPolicy::should_retry on each failure.

RpcError

An error returned by Telegram’s servers in response to an RPC call.

UpdateStream

Asynchronous stream of Updates.

Enums

InvocationError

The error type returned from any Client method that talks to Telegram.

SignInError

Errors returned by crate::Client::sign_in.

TransportKind

Which MTProto transport framing to use for all connections.

Traits

RetryPolicy

Controls how the client reacts when an RPC call fails.