🏢 Agentic RWA Tokenization Platform

An enterprise-grade, security-hardened Real-World Asset (RWA) tokenization platform engineered natively for the Casper Network using the Odra Smart Contract Framework. This repository implements a robust asset tokenization layer combined with native x402 Micropayments capability, allowing autonomous AI agents to sign, execute, and route tokenized property balances via cryptographic off-chain signatures with strict replay protection.

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💎 Architectural Highlights & Engineering Excellence

This platform is architected from the ground up to support the tokenization of heavy physical assets (e.g., RealEstate) while maintaining tight security bounds for multi-agent autonomous execution.

• Automated x402 Micropayments Engine: Implements advanced transfer_with_authorization paradigms. Autonomous agents act as secure facilitators, parsing signed allocations without requiring direct on-chain allowance gas overhead or private key vulnerability exposure.
• Hardened Security Matrix & Nonce Tracking: Features strict cryptographic nonce mapping (used_nonces) coupled with rigid unix block-time validation controls (valid_after / valid_before) to completely mathematically eliminate transaction-replay vectors.
• Strict Decimals & Numerical Precision: Engineered with exact u64 constraint limits matching Casper's native serialization protocols, alongside a custom-tailored configuration framework ensuring zero compile-time or floating-point dependency bloat.

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📂 Repository Layout & Context Blueprint

.
├── .cargo/
│   └── config.toml               # Rust compiler optimization settings
├── bin/
│   ├── build_contract.rs         # WASM contract build entrypoint
│   ├── build_schema.rs           # Contract schema generator
│   ├── cli.rs                    # Deployment CLI
│   └── deploy.rs                 # Casper Testnet deployment pipeline
├── client/
│   ├── src/
│   │   ├── config.ts             # Client configuration
│   │   ├── constants.ts          # Shared project constants
│   │   ├── eip712-signer.ts      # Casper EIP-712 signing engine
│   │   ├── index.ts              # Client entrypoint
│   │   ├── types.ts              # Shared TypeScript types
│   │   ├── utils.ts              # Utility helpers
│   │   └── x402-client.ts        # x402 payment workflow implementation
│   ├── package.json              # Node.js client dependencies
│   └── package-lock.json
├── src/
│   ├── flipper.rs                # Contract storage host module
│   └── lib.rs                    # RWA token smart contract (CEP-18 + x402 authorization)
├── tests/                        # Smart contract integration tests
├── wasm/                         # Compiled WASM artifacts
├── build.rs                      # Odra build orchestration
├── Cargo.toml                    # Rust workspace configuration
├── Cargo.lock
├── LICENSE
└── README.md

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🛠️ Technology Stack & Dependencies

• Smart Contract Layer: Odra Framework (Rust bare-metal target compilation)
• On-Chain Target Ecosystem: Casper Network (Testnet Ledger runtime)
• Micropayment Standard Architecture: x402 Facilitator Matrix Framework
• Validation Engine: casper-engine-test-support (Rigid local VM state assertion testing)
• Compiler Optimizations: Binaryen optimization tools integration

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⚙️ Usage & Development Workflow

It's recommended to install cargo-odra first.

Build

To compile standard smart contract modules:

cargo odra build

To build a wasm file, you need to pass the -b parameter. The result files will be placed in ${project-root}/wasm directory.

cargo odra build -b casper

Test

To run test on your local machine, you can basically execute the command:

cargo odra test

To test actual wasm files against a backend, you need to specify the backend passing -b argument to cargo-odra.

cargo odra test -b casper

🚀 Live Execution (Client Agent)

To initialize local configurations and execute the automated TypeScript/Rust runtime agent mesh:

# Navigate to client layer
cd client

# Spin up environment loop natively
npm install
npm run build
npm start

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🛡️ Security Posture & Sandbox Configuration

• Cryptographic Replay Prevention: Nonces are bound to explicit address mapping matrices. Once an asset transfer signature has been processed, the state is locked permanently on-chain.
• Rigid Sandbox Isolation: .gitignore rules aggressively enforce context protection blocks preventing the leakage of private keys (secret_key.pem, wallet.json), .pem file streams, or heavy host compilation caches into the global stream.

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Engineered and Hardened by Shah Wali (shahwali-dev) for Casper Agentic Buildathon 2026.