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BEX Engine v6 β WASM Plugin Engine
A production-grade WASM/Wasmtime Component Model plugin engine built in Rust. BEX enables sandboxed, deterministic plugin execution using WebAssembly components with WIT interface definitions. Designed for media streaming, metadata, and content provider applications with a Pure C ABI integration layer β no cxx dependency.
What's New in v6
This version incorporates all fixes from the QuickJS Integration Plan v3 review:
Critical Bug Fixes
eval-jsnow acceptsinputparameter β user data is safely injected as a global variable instead of being concatenated into JS source code, eliminating code injection vulnerabilitiescall-js-fnnow acceptsfn-sourceparameter β functions are registered and auto-re-registered when source changes, eliminating the brokentrack_functionstext parserTextEncoder/TextDecoderare now spec-correct UTF-8 β properly handles CJK characters, emoji, and all Unicode code pointscrypto.getRandomValuesuses Rust-backed CSPRNG βrand::thread_rng()instead ofMath.random()crypto.subtleis now fully implemented β SHA-1/256/384/512, AES-CBC encrypt/decrypt, HMAC-SHA256/512, PBKDF2, all in pure JS with immediate-resolved Promisesargs_jsonis passed as a string, not eval'd β eliminates JS injection attack vector- Pool dispatch is non-blocking β uses
try_sendinstead of blockingsend, returnsPoolBusyinstead of hanging Wasmtime threads - Pool shutdown uses SeqCst ordering β fixes race condition on ARM/Apple Silicon
Missing Features Now Implemented
console.logroutes to Rust tracing β no longer silently droppedsetTimeout/setIntervalcall callbacks synchronously β no longer silently skippedclear-js-fnWIT function β allows unregistering JS functions when cipher rotatesJsPoolConfigwired intoEngineConfigβ JS pool settings are configurable from engine config
Design Improvements
- Idle context eviction throttled to 30-second intervals β reduces overhead from checking on every loop iteration
apply_fnhelper removed βfunc.call((args_json,))used directlymax_stack_bytesconfigurable viaJsPoolConfigβ default 512KB- All compiler warnings fixed β unused imports, dead code, unused variables
atob/btoaare Rust-backed β correct Latin-1 handling via base64 crate- Additional polyfills β
URL,URLSearchParams,performance.now(),structuredClone,navigator,location,queueMicrotask
Architecture
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β C++ Application β
β (via Pure C ABI) β
β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββ β
β β BexResultCallback (function pointer) β β
β β bex_submit_*() β request_id β β
β β callback(user_data, req_id, success, payload, len) β β
β β bex_cancel_request(request_id) β β
β ββββββββββββββββββββββββ¬ββββββββββββββββββββββββββββββββ β
βββββββββββββββββββββββββββΌββββββββββββββββββββββββββββββββββββ€
β BexRuntime (async callback-driven) β
β βββββββββββββββ ββββββββββββββββ βββββββββββββββββββββ β
β β Scheduler β β Cancellationβ β Tokio Runtime β β
β β (3 lanes) β β Tokens β β (async tasks) β β
β ββββββββ¬βββββββ ββββββββ¬ββββββββ βββββββββββ¬ββββββββββ β
βββββββββββΌβββββββββββββββββΌββββββββββββββββββββββΌβββββββββββββ€
β β BEX Engine (Wasmtime) β β
β ββββββββΌβββββββ ββββββΌββββββ βββββββββββββββΌβββββββββββ β
β β Wasmtime β β Host β β Plugin Registry β β
β β Component β β APIs β β (circuit breaker) β β
β β Model β β β β β β
β ββββββββ¬βββββββ ββββββ¬ββββββ ββββββββββββββββββββββββββ β
β β β β
β ββββββββΌβββββββ ββββββΌββββββ βββββββββββββββ β
β β WASM β β HTTP β β Redb DB β β
β β Components β β (reqwest)β β (storage) β β
β ββββββββββββββββ ββββββββββββ βββββββββββββββ β
β β
β FlatBuffers (wire format) β JSON (CLI/debug) β
ββββββββββββββββββββββββββββββββ΄βββββββββββββββββββββββββββββββββ
Core Design Principles
- WASM-Only: All plugins run as WebAssembly components via Wasmtime β no native plugins, no dual-mode engine
- Component Model: Uses Wasmtime's Component Model with WIT interface definitions for type-safe host-guest communication
- Callback-Driven: C++ backend submits requests via
bex_submit_*(), receives results via a C function pointer callback (BexResultCallback) invoked from a background Tokio thread. No polling, no event queue, no drain pattern. - Self-Describing IDs: The engine treats IDs as opaque strings β it does not know or care what they mean. Each plugin defines its own ID format and parses IDs internally. For example,
get_serverstakes a singleidparameter; the plugin parsesslug$ep=1$sub=1$dub=0because it knows its own encoding scheme. There is noepisode_idparameter anywhere in the engine. - Sandboxed Execution: Fuel-based metering, stack limits, epoch-based timeouts, and capability-based host APIs
- Lane-Based Scheduling: Three concurrency lanes β Control (1), User (4), Background (2) β with semaphores, plus global WASM (4) and HTTP (8) permit limits
- Cancellation: Each request gets a
CancellationToken; cancel viabex_cancel_request() - Pure C ABI: The Rust engine exports
extern "C"functions matchingbex_engine.h. No cxx, no bridge codegen, no special build steps. Link the Rust static/shared library natively.
Workspace Structure
bex-engine/
βββ crates/
β βββ bex-types/ # Shared types (Manifest, Capabilities, BexError, PluginInfo, etc.)
β βββ bex-pkg/ # BEX package format (pack/unpack/verify with zstd+CRC32+SHA256)
β βββ bex-db/ # Redb-backed storage (KV, secrets, plugins, WASM blobs)
β βββ bex-wire/ # FlatBuffer wire-format types + builders
β βββ bex-core/ # Core engine (Wasmtime, host APIs, linker, compile cache)
β βββ bex-runtime/ # Async runtime (scheduler, cancellation, Pure C FFI via ffi.rs)
β βββ bex-cli/ # Rust CLI tool (clap-based)
βββ plugins/
β βββ bex-gogoanime/ # GogoAnime/Anitaku streaming plugin
β βββ bex-kaianime/ # KaiAnime streaming plugin
β βββ bex-hianime/ # HiAnime streaming plugin
β βββ bex-imdb/ # IMDb metadata plugin
β βββ bex-kisskh/ # KissKH streaming plugin
βββ cpp-cli/
β βββ bex_engine.h # Pure C ABI header (the FFI boundary)
β βββ bexcli.cpp # C++ CLI tool (uses promise/future + C callbacks)
β βββ CMakeLists.txt # CMake build configuration (links libbex_runtime natively)
β βββ wire_gen/ # Generated FlatBuffer C++ headers
βββ wit/
β βββ plugin.wit # Master WIT interface definitions
βββ dist/ # Built WASM components and manifests
βββ build-plugins.sh # Build, convert, and pack all plugins
βββ Cargo.toml # Workspace root
Pure C ABI
The Rust engine exposes a Pure C ABI through bex_engine.h. No cxx, no code generation, no bridge crate. The Rust library compiles as both cdylib and staticlib, and CMake links it natively.
How It Works
- C++ calls
bex_submit_search(engine, plugin_id, query, callback, user_data) - Rust spawns a Tokio task that does the work
- On completion, Rust invokes
callback(user_data, request_id, success, payload, len)from the Tokio background thread - C++ receives the result in the callback and can parse/copy the payload before the callback returns
C++ Integration Example
#include "bex_engine.h"
// 1. Define a callback handler
extern "C" void on_result(void* user_data, uint64_t req_id,
bool success, const uint8_t* payload, size_t len) {
auto* promise = static_cast<std::promise<std::string>*>(user_data);
if (success) {
promise->set_value(std::string(reinterpret_cast<const char*>(payload), len));
} else {
promise->set_exception(std::make_exception_ptr(
std::runtime_error(std::string(reinterpret_cast<const char*>(payload), len))));
}
}
// 2. Create engine
BexEngine* engine = bex_engine_new("/path/to/data");
// 3. Submit async requests β returns request_id immediately
std::promise<std::string> promise;
uint64_t req1 = bex_submit_home(engine, "bex.gogoanime", on_result, &promise);
uint64_t req2 = bex_submit_search(engine, "bex.gogoanime", "one piece", on_result, &promise);
uint64_t req3 = bex_submit_info(engine, "bex.gogoanime", "one-piece", on_result, &promise);
uint64_t req4 = bex_submit_servers(engine, "bex.gogoanime", "one-piece$ep=1$sub=1$dub=0",
on_result, &promise);
// 4. Wait for results (or use the callback in your event loop)
std::string result = promise.get_future().get();
// 5. Cancel a request
bex_cancel_request(engine, req2);
// 6. Plugin management (synchronous)
bex_engine_install(engine, "/path/to/plugin.bex");
bex_engine_uninstall(engine, "bex.gogoanime");
BexPluginInfoList plugins = bex_engine_list_plugins(engine);
bex_plugin_info_list_free(plugins);
// 7. API key management (synchronous)
bex_engine_secret_set(engine, "bex.imdb", "api-key", "your-key");
// 8. Shutdown
bex_engine_free(engine);
Full C ABI Function Reference
Lifecycle
| Function | Description |
|---|---|
bex_engine_new(data_dir) |
Create engine β BexEngine* |
bex_engine_free(engine) |
Graceful shutdown and free |
Plugin Management (synchronous)
| Function | Description |
|---|---|
bex_engine_install(engine, path) |
Install .bex plugin package β int |
bex_engine_uninstall(engine, id) |
Uninstall plugin by ID β int |
bex_engine_list_plugins(engine) |
List installed plugins β BexPluginInfoList |
bex_engine_plugin_info(engine, id, out) |
Get detailed plugin info β int |
bex_engine_enable(engine, id) |
Enable plugin β int |
bex_engine_disable(engine, id) |
Disable plugin β int |
bex_plugin_info_list_free(list) |
Free plugin list |
bex_plugin_info_free(info) |
Free plugin info struct |
Secret / API Key Management (synchronous)
| Function | Description |
|---|---|
bex_engine_secret_set(engine, plugin_id, key, value) |
Store a secret β int |
bex_engine_secret_get(engine, plugin_id, key, out_buf, out_buf_len) |
Retrieve a secret value β int |
bex_engine_secret_delete(engine, plugin_id, key) |
Delete a secret β int |
bex_engine_secret_keys(engine, plugin_id) |
List key names (comma-separated) β char* |
bex_string_free(s) |
Free a string returned by the engine |
Async Operations (callback-driven)
| Function | Description |
|---|---|
bex_submit_home(engine, plugin_id, callback, user_data) |
Submit home request β uint64_t request_id |
bex_submit_search(engine, plugin_id, query, callback, user_data) |
Submit search request β uint64_t request_id |
bex_submit_info(engine, plugin_id, media_id, callback, user_data) |
Submit info request β uint64_t request_id |
bex_submit_servers(engine, plugin_id, id, callback, user_data) |
Submit servers request β uint64_t request_id |
bex_submit_stream(engine, plugin_id, server_json, callback, user_data) |
Submit stream resolve β uint64_t request_id |
Cancellation & Stats
| Function | Description |
|---|---|
bex_cancel_request(engine, request_id) |
Cancel a pending request β bool |
bex_engine_stats(engine) |
Get engine stats (JSON) β char* |
bex_engine_last_error(engine) |
Get last error message β char* |
Quick Start
Prerequisites
- Rust toolchain (stable)
wasm-toolsCLI:cargo install wasm-tools-cli- C++17 compiler (for C++ CLI / integration)
- CMake 3.16+ (for C++ CLI / integration)
Build the Engine
# Build the Rust engine and CLI
cargo build --release
# Build and pack all plugins (compile β component convert β pack)
bash build-plugins.sh
# Build the C++ CLI with CMake
cd cpp-cli && mkdir build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
make -j$(nproc)
Build a Single Plugin (Manual)
Plugins are built in three steps: compile to WASM, convert to a component, then pack.
# Step 1: Compile to wasm32-wasip1
cargo build -p bex-gogoanime --target wasm32-wasip1 --release
# Step 2: Convert to a WASM Component (requires wasm-tools + WASI adapter)
wasm-tools component new \
target/wasm32-wasip1/release/bex_gogoanime.wasm \
-o target/components/bex-gogoanime.component.wasm \
--adapt ~/.cargo/registry/src/index.crates.io-*/wasi-preview1-component-adapter-provider-*/artefacts/wasi_snapshot_preview1.reactor.wasm
# Step 3: Pack into a .bex package
cargo run -p bex-cli --release -- pack \
dist/bex-gogoanime.yaml \
target/components/bex-gogoanime.component.wasm \
dist/bex-gogoanime.bex
Install and Use
# Install a plugin
cargo run -p bex-cli --release -- install dist/bex-gogoanime.bex
# List installed plugins
cargo run -p bex-cli --release -- list
# Get detailed plugin info
cargo run -p bex-cli --release -- plugin-info bex.gogoanime
Plugin Management
Rust CLI
# Install / uninstall
bex install dist/bex-gogoanime.bex
bex uninstall bex.gogoanime
# List installed plugins
bex list
# Show detailed plugin info (capabilities, enabled state, etc.)
bex plugin-info bex.gogoanime
# Enable / disable
bex enable bex.gogoanime
bex disable bex.gogoanime
# Inspect a .bex package without installing
bex inspect dist/bex-gogoanime.bex
# Engine stats
bex stats
C++ CLI
# Install / uninstall
./bexcli install dist/bex-gogoanime.bex
./bexcli uninstall bex.gogoanime
# List plugins (with capabilities column)
./bexcli list
# Detailed plugin info (includes API keys list)
./bexcli info-plugin bex.gogoanime
# Enable / disable
./bexcli enable bex.gogoanime
./bexcli disable bex.gogoanime
# Engine stats
./bexcli stats
API Key / Secret Management
The engine provides per-plugin secret storage backed by Redb. Secrets are scoped to a plugin ID and are accessible to the plugin at runtime via the secrets WIT interface. This is the mechanism for storing API keys, tokens, and other credentials that plugins need.
Rust CLI
# Set an API key
bex set-key bex.imdb api-key "your-api-key-here"
# Get an API key value
bex get-key bex.imdb api-key
# Delete an API key
bex delete-key bex.imdb api-key
# List all keys for a plugin
bex list-keys bex.imdb
C++ CLI
# Set an API key
./bexcli set-key bex.imdb api-key "your-api-key-here"
# Get an API key value
./bexcli get-key bex.imdb api-key
# Delete an API key
./bexcli delete-key bex.imdb api-key
# List all keys for a plugin
./bexcli list-keys bex.imdb
C API
// Store a secret
bex_engine_secret_set(engine, "bex.imdb", "api-key", "your-key");
// Retrieve a secret
char buf[4096];
size_t buf_len = sizeof(buf);
bex_engine_secret_get(engine, "bex.imdb", "api-key", buf, &buf_len);
// Delete a secret
bex_engine_secret_delete(engine, "bex.imdb", "api-key");
// List all secret key names (comma-separated, caller frees with bex_string_free)
char* keys = bex_engine_secret_keys(engine, "bex.imdb");
bex_string_free(keys);
Plugin Access (WIT)
Inside a plugin, secrets are accessed read-only through the secrets host interface:
use bindings::bex::plugin::secrets;
fn get_api_key() -> Option<String> {
secrets::get("api-key")
}
Secrets that a plugin expects are declared in the manifest:
secrets:
- api-key
- tmdb-token
Self-Describing IDs
Self-describing IDs are the core design pattern for how the BEX engine handles typed identifiers. The engine itself treats all IDs as opaque strings β it does not parse, validate, or interpret them. Only the plugin knows what its IDs mean and how to decode them.
This means:
get_serverstakes a singleidparameter β there is no separateepisode_idparameter- The engine never parses IDs β it passes them straight through to the plugin
- Each plugin defines its own ID encoding β different plugins can use entirely different schemes
- IDs are portable β they can be stored, serialized, and passed between systems without the engine needing to understand them
Example: GogoAnime Episode IDs
The GogoAnime plugin encodes episode context directly in the ID:
{slug}$ep={episode_number}$sub={0|1}$dub={0|1}
| ID | Meaning |
|---|---|
one-piece$ep=1$sub=1$dub=0 |
One Piece episode 1, subbed |
jujutsu-kaisen-tv$ep=24$sub=0$dub=1 |
Jujutsu Kaisen episode 24, dubbed |
When get_servers is called with this ID, the GogoAnime plugin splits on $ and parses each key-value pair to determine the slug, episode number, and sub/dub flags. The engine never does this parsing β it just passes the string through.
Example: IMDb Media IDs
The IMDb plugin might use a different scheme entirely (e.g., tt1234567), and the engine works equally well because it does not interpret the ID.
Usage
# The ID is self-describing β pass it directly
bex servers bex.gogoanime 'one-piece$ep=1$sub=1$dub=0'
# C++ CLI works the same way
./bexcli servers bex.gogoanime 'one-piece$ep=1$sub=1$dub=0'
WIT Interface Definitions
Host-Provided APIs (imports β plugins call these)
| Interface | Functions | Description |
|---|---|---|
http |
send-request |
HTTP client with caching, redirect control, size limits |
kv |
set, get, remove, keys |
Scoped key-value storage |
secrets |
get |
Read-only secret/API key access |
log |
write |
Structured logging through host |
clock |
now-ms, monotonic |
Time access |
rng |
bytes |
Secure random bytes |
js |
eval-js, eval-js-opts, call-js-fn, clear-js-fn |
QuickJS sandbox β safe JS eval, function call, and cleanup |
Plugin-Provided APIs (exports β host calls these)
| Function | Description |
|---|---|
get-home |
Get home page sections |
get-category |
Browse by category with pagination |
search |
Search media content |
get-info |
Get detailed media info with episodes |
get-servers |
Get streaming servers for an episode |
resolve-stream |
Resolve stream source from server |
search-subtitles |
Search for subtitles |
download-subtitle |
Download subtitle file |
get-articles |
Get article sections |
search-articles |
Search articles |
Writing a Plugin
1. Create a plugin project
cargo init --lib my-plugin
cd my-plugin
Add to Cargo.toml:
[package]
name = "my-plugin"
version = "0.1.0"
edition = "2021"
[dependencies]
wit-bindgen = { version = "0.57.1", features = ["bitflags"] }
serde = { version = "1", features = ["derive"] }
serde_json = "1"
[lib]
crate-type = ["cdylib"]
[package.metadata.component]
package = "bex:my-plugin"
[package.metadata.component.dependencies]
2. Copy the WIT definitions
Copy wit/plugin.wit from the engine repository into your plugin's wit/ directory.
3. Generate bindings
Run cargo build --target wasm32-wasip1 --release once to generate src/bindings.rs, then implement the Guest trait:
#[allow(warnings)]
mod bindings;
use bindings::bex::plugin::common::*;
use bindings::bex::plugin::http;
use bindings::exports::api::Guest;
struct Component;
impl Guest for Component {
fn get_home(_ctx: RequestContext) -> Result<Vec<HomeSection>, PluginError> {
Ok(vec![HomeSection {
id: "home".to_string(),
title: "My Plugin".to_string(),
subtitle: None,
items: vec![],
next_page: None,
layout: CardLayout::Grid,
show_rank: false,
categories: vec![],
extra: vec![],
}])
}
fn search(_ctx: RequestContext, query: String, _filters: SearchFilters) -> Result<PagedResult, PluginError> {
let response = http::send_request(&http::Request {
method: http::Method::Get,
url: format!("https://api.example.com/search?q={}", query),
headers: vec![],
body: None,
timeout_ms: Some(10000),
follow_redirects: true,
cache_mode: http::CacheMode::Normal,
max_bytes: Some(1024 * 1024),
}).map_err(|e| PluginError::Network(format!("{:?}", e)))?;
Ok(PagedResult { items: vec![], categories: vec![], next_page: None })
}
fn get_servers(_ctx: RequestContext, id: String) -> Result<Vec<Server>, PluginError> {
// The ID is self-describing β parse it however your plugin needs
// The engine does not interpret the ID, only your plugin does
let parts: Vec<&str> = id.split('$').collect();
// ... parse and fetch servers ...
Ok(vec![])
}
// ... implement other methods ...
}
bindings::export!(Component with_types_in bindings);
4. Build, convert, and pack
# Step 1: Compile to WASM
cargo build --target wasm32-wasip1 --release
# Step 2: Convert to a WASM Component
wasm-tools component new \
target/wasm32-wasip1/release/my_plugin.wasm \
-o target/components/my-plugin.component.wasm \
--adapt /path/to/wasi_snapshot_preview1.reactor.wasm
# Step 3: Pack into a .bex package
bex pack manifest.yaml target/components/my-plugin.component.wasm my-plugin.bex
# Step 4: Install
bex install my-plugin.bex
Plugin Manifest
schema: 1
id: bex.my-plugin
name: My Plugin
version: 1.0.0
authors:
- Your Name
abi: ">=1.0.0,<2.0.0"
provides:
home: true
search: true
info: true
servers: true
stream: true
network:
hosts:
- "api.example.com"
concurrent: 4
storage: true
secrets:
- api-key
display:
description: My awesome plugin
tags:
- streaming
priority: 100
Capability Bits
| Bit | Name | Methods |
|---|---|---|
| 0 | HOME |
get_home |
| 1 | CATEGORY |
get_category |
| 2 | SEARCH |
search |
| 3 | INFO |
get_info |
| 4 | SERVERS |
get_servers |
| 5 | STREAM |
resolve_stream |
| 6 | SUBTITLES |
search_subtitles, download_subtitle |
| 7 | ARTICLES |
get_articles, search_articles |
CMake Integration
The C++ CLI's CMakeLists.txt is designed to be self-contained and reusable. You can integrate the BEX engine into any C++ project with minimal setup. The only requirement is the bex_engine.h header and the Rust static/shared library β no cxx bridge, no code generation, no special include paths.
Quick Integration
- Build the Rust library:
cargo build -p bex-runtime --release
Copy the
cpp-cli/directory into your project (or reference it viaBEX_ENGINE_ROOT).In your
CMakeLists.txt:
cmake_minimum_required(VERSION 3.16)
project(myapp LANGUAGES C CXX)
set(CMAKE_CXX_STANDARD 17)
# Point to the bex-engine root (required if not inside the repo)
set(BEX_ENGINE_ROOT "/path/to/bex-engine")
# Add the bex engine subdirectory
add_subdirectory(${BEX_ENGINE_ROOT}/cpp-cli bex_engine_build)
# Link against the imported bex::engine target
add_executable(myapp main.cpp)
target_link_libraries(myapp PRIVATE bex::engine)
BEX_ENGINE_ROOT Variable
The CMake build uses BEX_ENGINE_ROOT to locate the Rust library and the C header:
- Default: If not set, it walks up from
CMAKE_SOURCE_DIRto find a directory containingCargo.toml - Override: Set
-DBEX_ENGINE_ROOT=/path/to/bex-enginewhen running cmake
Imported Target
The CMakeLists.txt creates an INTERFACE library target bex::engine with all include paths and link libraries configured:
target_link_libraries(myapp PRIVATE bex::engine)
Helper Target
A rustlib custom target is provided to build the Rust library from CMake:
make rustlib
Required Files
| File | Purpose |
|---|---|
cpp-cli/bex_engine.h |
Pure C ABI header (the FFI boundary) |
target/release/libbex_runtime.a |
Rust static library (Pure C ABI exports) |
That's it. No generated headers, no bridge codegen, no extra include paths.
Error Code Reference
| Code | Meaning |
|---|---|
ABI_MISMATCH |
Plugin ABI version incompatible |
INVALID_MANIFEST |
Manifest validation failed |
HASH_MISMATCH |
Package integrity check failed |
NOT_FOUND |
Plugin or resource not found |
DISABLED |
Plugin is disabled |
UNSUPPORTED |
Operation not supported by plugin |
NETWORK_BLOCKED |
Host not in plugin's allowed list |
TIMEOUT |
Request timed out |
FUEL_EXHAUSTED |
WASM fuel limit exceeded |
CANCELLED |
Request was cancelled |
PLUGIN_FAULT |
Plugin panicked or crashed |
PLUGIN_ERROR |
Plugin returned an error |
NETWORK |
Network error |
STORAGE |
Storage error |
NOT_READY |
Engine not ready |
INTERNAL |
Internal engine error |
Technologies
| Component | Technology | Version |
|---|---|---|
| WASM Runtime | Wasmtime | 30 |
| Interface Types | WIT (Component Model) | - |
| WASI | WASI Preview 1/2 | - |
| Bindings | wit-bindgen | 0.57.1 |
| Database | Redb | 2 |
| HTTP | reqwest (rustls) | 0.12 |
| C++ FFI | Pure C ABI (extern "C") | - |
| Wire Format | FlatBuffers | - |
| Compression | zstd | 0.13 |
| Async Runtime | tokio | 1 |
| Cancellation | tokio-util (CancellationToken) | - |
| Package Format | Custom (BEX v1) | - |
License
MIT