A comprehensive blockchain system implementing DPOS (Delegated Proof of Stake) + PBFT (Practical Byzantine Fault Tolerance) consensus, DePIN (Decentralized Pinning), 3D Spatial Chain, and RWA (Real World Assets) frameworks with dual token model and high throughput transaction processing.
- DPOS (Delegated Proof of Stake): Fast block production with validator delegation
- PBFT (Practical Byzantine Fault Tolerance): Finality and security for critical transactions
- Hybrid Approach: Combines speed of DPOS with security of PBFT
- View Change Protocol: Automatic recovery from Byzantine failures
- Spatial Grid System: Efficient 3D spatial indexing and querying
- Spatial Objects: Buildings, vehicles, sensors, infrastructure tracking
- Spatial Consensus: Location-based validation and consensus
- Real-time Updates: Dynamic spatial object positioning
- Content Pinning: Decentralized content storage and retrieval
- Node Management: Automatic node discovery and health monitoring
- Reputation System: Quality-based node selection
- Storage Optimization: Intelligent content distribution
- Asset Tokenization: Real estate, vehicles, artwork, commodities
- Verification System: Multi-validator asset verification
- Marketplace: Decentralized asset trading
- Legal Compliance: Document verification and insurance tracking
- Dual Support: Both Solidity (Ethereum-compatible) and Ink (Rust-based)
- Gas Optimization: Efficient execution and cost management
- Cross-chain Compatibility: Interoperability with existing blockchains
- Advanced Features: Complex contract logic and state management
- Native Token (SPATIAL): Governance, staking, and network fees
- Utility Token (UTIL): Smart contract execution and DePIN rewards
- Token Economics: Balanced supply and demand mechanisms
- Parallel Processing: Concurrent transaction execution
- Optimized Storage: Efficient data structures and indexing
- Network Optimization: P2P networking with libp2p
- Scalability: Horizontal scaling capabilities
┌─────────────────────────────────────────────────────────────┐
│ Spatial Chain │
├─────────────────────────────────────────────────────────────┤
│ Consensus Layer (DPOS + PBFT) │
│ ├── DPoS Engine: Fast block production │
│ ├── PBFT Engine: Finality and security │
│ └── Validator Set: Dynamic validator management │
├─────────────────────────────────────────────────────────────┤
│ Spatial Layer (3D Spatial Chain) │
│ ├── Spatial Grid: 3D spatial indexing │
│ ├── Spatial Objects: Buildings, vehicles, sensors │
│ └── Spatial Consensus: Location-based validation │
├─────────────────────────────────────────────────────────────┤
│ DePIN Layer (Decentralized Pinning) │
│ ├── Node Management: Storage node registration │
│ ├── Content Pinning: Decentralized storage │
│ └── Reputation System: Quality-based selection │
├─────────────────────────────────────────────────────────────┤
│ RWA Layer (Real World Assets) │
│ ├── Asset Registry: Tokenization and verification │
│ ├── Marketplace: Decentralized trading │
│ └── Compliance: Legal and regulatory compliance │
├─────────────────────────────────────────────────────────────┤
│ Smart Contracts Layer │
│ ├── Solidity VM: Ethereum-compatible contracts │
│ ├── Ink VM: Rust-based contracts │
│ └── Contract Manager: Deployment and execution │
├─────────────────────────────────────────────────────────────┤
│ Core Layer │
│ ├── Transaction Pool: High-throughput processing │
│ ├── State Management: Efficient state transitions │
│ ├── Cryptography: Advanced cryptographic primitives │
│ └── Networking: P2P communication │
└─────────────────────────────────────────────────────────────┘
- Rust 1.70+ (stable)
- Cargo package manager
- Git
# Clone the repository
git clone https://github.com/your-username/spatial-chain.git
cd spatial-chain
# Build the project
cargo build --release
# Run the demo
cargo run --releaseThe system can be configured via the BlockchainConfig structure:
let config = BlockchainConfig {
consensus: ConsensusConfig {
dpos_validators: 21,
pbft_fault_tolerance: 7,
block_time: 3,
finality_blocks: 100,
},
network: NetworkConfig {
port: 30333,
bootstrap_nodes: vec![],
max_peers: 50,
},
spatial: SpatialConfig {
grid_size: 1000,
spatial_precision: 0.001,
max_spatial_objects: 10000,
},
depin: DePinConfig {
pinning_enabled: true,
max_pins_per_node: 1000,
pin_expiry_blocks: 1000,
},
rwa: RWAConfig {
rwa_enabled: true,
max_rwa_per_address: 100,
rwa_verification_required: true,
},
tokens: TokenConfig {
native_token_symbol: "SPATIAL".to_string(),
utility_token_symbol: "UTIL".to_string(),
initial_supply: 1_000_000_000,
max_supply: 10_000_000_000,
},
};// Initialize consensus engine
let consensus_engine = ConsensusEngine::new(
keypair,
validators,
fault_tolerance,
);
// Start consensus for a block
consensus_engine.start_consensus(block).await?;// Create spatial grid
let spatial_grid = SpatialGrid::new(bounds, grid_size);
// Add spatial object
let object = EnhancedSpatialObject {
object_id: [1u8; 32],
position: Point3::new(100.0, 200.0, 50.0),
radius: 10.0,
owner: owner_address,
object_type: SpatialObjectType::Building,
// ... other fields
};
spatial_grid.add_object(object)?;
// Query spatial objects
let nearby_objects = spatial_grid.find_objects_in_radius(
Point3::new(100.0, 200.0, 50.0),
100.0
);// Register DePIN node
let node = DePinNode {
node_id: node_address,
address: "127.0.0.1:8080".to_string(),
storage_capacity: 1_000_000_000,
// ... other fields
};
depin_network.register_node(node).await?;
// Create pin request
let request = PinRequest {
request_id: [1u8; 32],
object_id: content_hash,
requester: user_address,
data_size: 1024,
priority: PinPriority::High,
// ... other fields
};
depin_network.create_pin_request(request).await?;// Register RWA asset
let asset = RWAAsset {
asset_id: [1u8; 32],
owner: owner_address,
asset_type: RWAAssetType::RealEstate,
value: 1_000_000_000,
// ... other fields
};
rwa_manager.register_asset(asset).await?;
// Verify asset
let verification_data = VerificationData {
verified_by: vec![verifier_address],
verification_method: VerificationMethod::LegalDocument,
// ... other fields
};
rwa_manager.verify_asset(asset_id, verifier_id, verification_data).await?;// Deploy Solidity contract
let contract_address = smart_contract_manager.deploy_contract(
ContractType::Solidity,
contract_bytecode,
constructor_args,
deployer_address,
gas_limit,
).await?;
// Execute contract method
let result = smart_contract_manager.execute_contract(
contract_address,
"transfer".to_string(),
method_args,
caller_address,
value,
gas_limit,
).await?;- Block Time: 3 seconds (configurable)
- Transaction Throughput: 10,000+ TPS (theoretical)
- Finality: 100 blocks (~5 minutes)
- Spatial Queries: < 10ms for radius searches
- DePIN Latency: < 100ms for content retrieval
- RWA Verification: < 1 second for asset verification
- Cryptographic Security: Ed25519 signatures, SHA256 hashing
- Byzantine Fault Tolerance: Up to 1/3 malicious nodes tolerated
- Spatial Validation: Location-based consensus validation
- Multi-signature Support: Enhanced security for critical operations
- Audit Trail: Complete transaction and state history
src/
├── main.rs # Main binary entry point
├── lib.rs # Library entry point
├── core/ # Core blockchain structures
│ ├── mod.rs
│ ├── block.rs
│ ├── state.rs
│ └── validator.rs
├── consensus/ # Consensus mechanisms
│ ├── mod.rs
│ ├── dpos.rs
│ ├── pbft.rs
│ └── validator_set.rs
├── spatial/ # 3D spatial chain
│ ├── mod.rs
│ ├── grid.rs
│ ├── spatial_consensus.rs
│ └── spatial_index.rs
├── depin/ # DePIN functionality
│ └── mod.rs
├── rwa/ # RWA framework
│ └── mod.rs
├── smart_contracts/ # Smart contract support
│ ├── mod.rs
│ ├── ink_contracts.rs
│ ├── solidity_contracts.rs
│ └── contract_vm.rs
├── crypto/ # Cryptographic utilities
│ └── mod.rs
├── network/ # P2P networking
├── storage/ # Data storage
├── tokens/ # Token management
└── transaction/ # Transaction processing
# Run all tests
cargo test
# Run specific test module
cargo test consensus
# Run with logging
RUST_LOG=debug cargo test# Run benchmarks
cargo bench
# Run specific benchmark
cargo bench consensus_benchmark- Fork the repository
- Create a feature branch (
git checkout -b feature/amazing-feature) - Commit your changes (
git commit -m 'Add amazing feature') - Push to the branch (
git push origin feature/amazing-feature) - Open a Pull Request
This project is licensed under the MIT License - see the LICENSE file for details.
- Inspired by Polkadot's hybrid consensus approach
- Spatial concepts from AR/VR and IoT applications
- DePIN patterns from IPFS and Filecoin
- RWA frameworks from traditional finance tokenization
- Web3.js integration
- Mobile SDK
- Advanced spatial analytics
- Cross-chain bridges
- Layer 2 scaling solutions
- Governance mechanisms
- Advanced RWA compliance tools
- DePIN marketplace
- Spatial NFT support
- AI-powered spatial insights
For support and questions:
- Create an issue on GitHub
- Join our Discord community
- Email: adarsh@shardz.network
Spatial Chain - Building the future of decentralized spatial computing and real-world asset tokenization. # ChainCode