apex-sdk
Apex SDK Protocol
Build secure, cross-chain blockchain applications with compile-time safety
Apex SDK Protocol is a compile-time safe, unified Rust SDK that enables developers to build cross-chain applications spanning Substrate and EVM ecosystems. With a single, intuitive API, reduce development complexity while ensuring type safety and native performance across Polkadot, Kusama, Ethereum, and more.
Features
- Unified Interface: Single API for both Substrate and EVM blockchains
- Compile-Time Type Safety: Catch errors before deployment, not in production
- Native Performance: Rust-based implementation for optimal execution speed
- Metadata-Driven: Automatic type generation from blockchain runtime metadata
- Cross-Chain Ready: Built-in support for cross-chain communication
- Modular Architecture: Easy to extend with new blockchain protocols
- Comprehensive Testing: Built-in testing framework for cross-chain scenarios
- Developer Friendly: Extensive documentation and examples
Quick Start
Get started with Apex SDK in under 5 mins:
# Install Apex SDK CLI
cargo install apex-sdk-cli
# Create a new cross-chain project
apex new my-cross-chain-app
# Navigate to project directory
cd my-cross-chain-app
# Build and test
cargo build
cargo test
Installation
Requirements
- Rust 1.85 or higher
- Cargo package manager
Via Cargo
# Add to your Cargo.toml
[dependencies]
apex-sdk = "0.1.0"
apex-sdk-substrate = "0.1.0"
apex-sdk-evm = "0.1.0"
From Source
# Clone the repository
git clone https://github.com/kherldhussein/apex-sdk.git
cd apex-sdk
# Build from source
cargo build --release
# Run tests
cargo test --all-features
# Install locally
cargo install --path ./cli
Supported Chains
Currently Supported
| Chain | Type | Status | Features |
|---|---|---|---|
| Polkadot | Substrate | Stable | Full support |
| Kusama | Substrate | Stable | Full support |
| Ethereum | EVM | Stable | Full support |
| BSC | EVM | Stable | Full support |
| Polygon | EVM | Stable | Full support |
| Avalanche | EVM | Stable | Full support |
| Moonbeam | Hybrid | Stable | Substrate + EVM |
| Astar | Hybrid | Stable | Substrate + EVM |
Coming Soon
- Cosmos SDK chains (via IBC)
- Solana
- Near Protocol
- Arbitrum & Optimism (L2s)
Documentation
Complete Documentation Hub - Your one-stop guide
Quick Links
| Resource | Description |
|---|---|
| Quick Start | Get started in 5 minutes |
| API Reference | Complete API documentation |
| CLI Guide | Command-line tools guide |
| Roadmap | Development roadmap & priorities |
| Security | Security policies & reporting |
Examples
Check out the examples/ directory for complete working examples:
account-manager/- Multi-chain account managementprice-oracle/- Cross-chain price aggregationcontract-orchestration/- Smart contract deploymentparachain-assets/- Parachain asset management
Advanced Topics
- Typed Metadata - Compile-time type safety
- Testing Framework - Comprehensive testing
- Security Audit - Security review results
- Ecosystem Integration - Third-party integrations
Contributing
We welcome contributions! See CONTRIBUTING.md for guidelines.
Quick Start:
git clone https://github.com/kherldhussein/apex-sdk.git
cd apex-sdk
cargo test --all-features
Security
Report vulnerabilities: kherld@duck.com
| Security Policy | Security Audit |