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🤖 Memory-safe, high-performance Telegram Bot API library for Zig with zero-cost abstractions and comprehensive examples

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🤖 Telegram Bot API for Zig

Zig Telegram Bot API License: MIT

A memory-safe, high-performance Telegram Bot API implementation in Zig

Build powerful bots with zero allocations in hot paths and compile-time guarantees

API Coverage

🚀 Quick Start📚 Examples🎯 Features📖 DeepWiki

🤖 Complete Bot API Support

  • 📨 Message Handling: Send, receive, edit, and delete messages
  • 📁 File Operations: Upload and download files with streaming support
  • 🎯 Inline Queries: Full inline mode support
  • 🔗 Webhooks: Secure webhook management
  • 🎮 Interactive Elements: Keyboards, buttons, and callbacks
  • 📊 Rich Media: Photos, videos, documents, and more

🚀 Quick Start

Prerequisites

📦 Installation

Option 1: Using Zig Package Manager (Recommended)

# Add to your build.zig.zon
zig fetch --save git+https://github.com/Nyarum/zigtgshka.git

Your build.zig.zon should look like:

.{
    .name = "my_bot",
    .version = "0.0.0",
    .minimum_zig_version = "0.14.0",
    .dependencies = .{
        .zigtgshka = .{
            .url = "git+https://github.com/Nyarum/zigtgshka.git",
            .hash = "1220...", // This will be auto-generated by zig fetch
        },
    },
    .paths = .{
        "build.zig",
        "build.zig.zon",
        "src",
    },
}

Complete build.zig example:

const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    // Add zigtgshka dependency
    const telegram_dependency = b.dependency("zigtgshka", .{
        .target = target,
        .optimize = optimize,
    });

    // Create your executable
    const exe = b.addExecutable(.{
        .name = "my_bot",
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });

    // Import the telegram module
    exe.root_module.addImport("telegram", telegram_dependency.module("telegram"));
    exe.linkLibC(); // Required for HTTP client
    
    b.installArtifact(exe);

    // Run step
    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());
    
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    const run_step = b.step("run", "Run the app");
    run_step.dependOn(&run_cmd.step);
}

Option 2: Git Submodule

git submodule add https://github.com/Nyarum/zigtgshka.git libs/telegram

const telegram_mod = b.addModule("telegram", .{
    .root_source_file = b.path("libs/telegram/src/telegram.zig"),
    .target = target,
    .optimize = optimize,
});
exe.root_module.addImport("telegram", telegram_mod);
exe.linkLibC(); // Required for HTTP client

Option 3: Direct Download

git clone https://github.com/Nyarum/zigtgshka.git
cd zigtgshka

⚡ Your First Bot (60 seconds)

Create src/main.zig:

const std = @import("std");
const telegram = @import("telegram");

pub fn main() !void {
    // 🏗️ Setup with explicit allocator (Zig best practice)
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const allocator = gpa.allocator();

    // 🌐 Initialize HTTP client
    var client = try telegram.HTTPClient.init(allocator);
    defer client.deinit();

    // 🤖 Create your bot
    var bot = try telegram.Bot.init(allocator, "YOUR_BOT_TOKEN", &client);
    defer bot.deinit();

    // 🎉 Get bot info and start polling
    const me = try telegram.methods.getMe(&bot);
    defer me.deinit(allocator);
    
    std.debug.print("🚀 Bot @{s} is online!\n", .{me.username orelse me.first_name});

    // 🔄 Simple polling loop
    var offset: i32 = 0;
    while (true) {
        const updates = try telegram.methods.getUpdates(&bot, offset, 100, 30);
        defer {
            for (updates) |*update| update.deinit(allocator);
            allocator.free(updates);
        }

        for (updates) |update| {
            offset = update.update_id + 1;
            
            if (update.message) |message| {
                if (message.text) |text| {
                    // 💬 Echo messages back
                    const reply = try telegram.methods.sendMessage(&bot, message.chat.id, text);
                    defer reply.deinit(allocator);
                    
                    std.debug.print("📨 Echoed: {s}\n", .{text});
                }
            }
        }
    }
}

Run it:

# Using zig build (recommended)
zig build run

# Or build and run manually
zig build
./zig-out/bin/my_bot

📚 Examples

We provide comprehensive examples from beginner to advanced use cases:

📖 For detailed documentation of all examples, see examples/README.md

🎯 Available Examples

Example Description Complexity Key Features
echo_bot Simple echo bot 🟢 Beginner Basic message handling
bot_info Get bot information 🟢 Beginner API calls, error handling
simple_sender Send targeted messages 🟡 Intermediate Direct messaging
polling_bot Command-based bot 🟡 Intermediate Command parsing, help system
advanced_bot Full-featured bot 🔴 Advanced State management, analytics
webhook_manager Webhook setup 🟡 Intermediate Webhook configuration

🤝 Contributing

We welcome contributions! Here's how to get started:

🔧 Development Setup

# Clone the repository
git clone https://github.com/Nyarum/zigtgshka.git
cd zigtgshka

# Run tests to verify setup
zig build test

# Run examples to test functionality
make run-info API_KEY=your_test_token

📝 Contribution Guidelines

  • Code Style: Follow Zig's standard formatting (zig fmt)
  • Memory Safety: Always pair init() with deinit()
  • Error Handling: Use explicit error types and handling
  • Documentation: Update docs for any API changes
  • Tests: Add tests for new functionality

🐛 Reporting Issues

  • Use the issue template
  • Include Zig version (zig version)
  • Provide minimal reproduction code
  • Include relevant log output

📊 Performance

🚀 Benchmarks

  • Memory Usage: < 10MB for typical bots
  • Latency: < 50ms average response time
  • Throughput: 1000+ messages/second
  • Binary Size: < 2MB (release builds)

📈 Optimization Features

  • Zero-allocation hot paths
  • Compile-time parameter validation
  • Efficient JSON parsing with std.json
  • Connection pooling for HTTP requests

🔗 Resources

📚 Learning Zig

🤖 Telegram Bot API

📜 License

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


Made with ❤️ and Zig

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