[Contract] 📂 Implement Asset Tokenization

[salazarsebas]

🎯 Objective

Create a complete smart contract for asset tokenization that allows users to tokenize assets, manage compliance, and transfer tokens securely on the Stellar network.

---

🏗 Contract structure

asset-tokenization-contract/src/
  lib.rs          // Configuration and contract exports
  token.rs        // Orchestrates and connects all tokenization modules
  issuance.rs     // Logic for tokenizing assets
  transfer.rs     // Logic for token transfers and approvals
  compliance.rs   // Logic for regulatory compliance and verification
  admin.rs        // Logic for updating details and freezing accounts

---

🗂 Requirements

1. Asset Tokenization Functionality
   • Tokenize assets with regulatory compliance
   • Transfer and redeem tokens
   • Approve and manage allowances for token spending
   • Verify compliance for users and jurisdictions
   • Update asset details and freeze accounts when necessary
   • Track ownership and compliance status

---

📦 Key Data Structures

struct AssetMetadata {
    name: String,
    symbol: String,
    decimals: u8,
    asset_type: String,  // E.g., "Real Estate", "Commodity", "Equity"
}

struct RegulatoryInfo {
    compliance_doc_hashes: BytesN<32>,  // Hash of regulatory documents
    jurisdiction: String,
}

enum ComplianceStatus {
    Approved,
    Pending,
    Rejected,
}

struct Balance {
    address: Address,
    amount: i128,
}

struct Allowances {
    owner: Address,
    spender: Address,
    amount: i128,
}

---

🔑 Key Functions

• tokenize(asset_details, regulatory_proof, amount) – Tokenize an asset and return a token ID
• redeem(token_id, amount) – Redeem tokens for underlying assets
• transfer(from, to, amount) – Transfer tokens between addresses
• approve(spender, amount) – Approve a spender to use a specified amount of tokens
• transferFrom(owner, receiver, amount) – Transfer tokens on behalf of an owner
• verifyCompliance(token_id, user) – Verify regulatory compliance for a user
• updateAssetDetails(token_id, new_details) – Update asset metadata
• freezeAccount(account_id, reason) – Freeze an account for compliance or security reasons

---

🔗 References

• Stellar Official Guide
• Rust Book

---

⏳ ETA

• 2 Days

---

📌 Additional Notes

• Ensure secure verification of regulatory compliance via document hashes
• Design with on-chain transparency for ownership and compliance status
• Enable jurisdictional compliance checks for broader adoption
• Consider future integration with Stellar payment channels for seamless transfers

[Wilfred007]

My name is Wilfred, I'm a rust developer and smart contract writer. May I handle this issue?