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Implement BitBridge Options Protocol with Enhanced Security and Validation#1

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gid-ctl wants to merge 11 commits into
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feat/implement
Open

Implement BitBridge Options Protocol with Enhanced Security and Validation#1
gid-ctl wants to merge 11 commits into
mainfrom
feat/implement

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@gid-ctl gid-ctl commented Jan 30, 2025

Overview

This PR implements the core functionality of the BitBridge Options Protocol, a decentralized Bitcoin-native options trading platform built on the Stacks blockchain. The implementation includes comprehensive error handling, validation checks, and security measures.

Changes

Error Handling & Validation

  • Added new error constants for enhanced validation:
    • ERR-INVALID-TOKEN (u1009)
    • ERR-INVALID-SYMBOL (u1010)
    • ERR-INVALID-TIMESTAMP (u1011)
    • ERR-INVALID-ADDRESS (u1012)
    • ERR-ZERO-ADDRESS (u1013)
    • ERR-EMPTY-SYMBOL (u1014)

Core Features

  1. Price Oracle Integration

    • Implemented price-feeds map for oracle data
    • Added allowed-symbols map for validation
    • Created update-price-feed function with timestamp validation
  2. Options Management

    • Implemented write-option with comprehensive validation
    • Added buy-option with authorization checks
    • Created exercise-option with support for both CALL and PUT
  3. Helper Functions

    • check-collateral-requirement: Validates collateral based on option type
    • exercise-call: Handles CALL option exercise
    • exercise-put: Handles PUT option exercise
    • get-current-price: Fetches BTC-USD price from oracle
  4. Security Enhancements

    • Added validation for admin inputs
    • Implemented critical token/symbol protection
    • Enhanced principal and symbol validation
  5. Block Height Reference

    • Updated to use stacks-block-height for accuracy

Documentation

  • Added comprehensive README
  • Documented all functions and data structures
  • Included integration guidelines and best practices

Testing

  • Unit tests for all core functions
  • Integration tests for option lifecycle
  • Validation tests for error conditions
  • Security tests for admin functions

Security Considerations

  1. All options are fully collateralized
  2. Comprehensive input validation
  3. Protected critical tokens and symbols
  4. Strict access control for admin functions
  5. Validated price feed updates

Deployment Impact

  • No breaking changes to existing contracts
  • Backward compatible with SIP-010 tokens
  • New error codes for better error handling

Documentation Updates

  • Added detailed README
  • Included function documentation
  • Added integration guidelines
  • Documented error codes

Checklist

  • Code follows project style guidelines
  • Documentation is updated
  • All tests pass
  • Error handling is comprehensive
  • Security measures are implemented
  • No breaking changes

Future Considerations

  1. Additional option types
  2. Enhanced oracle integration
  3. Governance features
  4. Performance optimizations

Additional Notes

The implementation follows best practices for Clarity smart contracts and includes comprehensive security measures to ensure safe operation of the options protocol.

- Added ERR-INVALID-TOKEN, ERR-INVALID-SYMBOL, and ERR-INVALID-TIMESTAMP error constants.
- These constants enhance validation checks within the BitBridge Options protocol.
- Added ERR-INVALID-ADDRESS, ERR-ZERO-ADDRESS, and ERR-EMPTY-SYMBOL error constants.
- Introduced validation for admin inputs to enhance protocol security.
- Introduced price-feeds map for storing price data from oracles.
- Added allowed-symbols map for validating price feed updates.
- Implemented write-option function with validation for token, expiry, strike price, premium, and collateral requirements.
- Added buy-option function to allow users to purchase options.
- Added exercise-option function to enable users to exercise their options.
- Included validation for token, expiry, and authorization checks.
…on exercise

- Implemented check-collateral-requirement function to validate collateral based on option type.
- Added exercise-call function to handle the exercise of call options, including payout and collateral return.
- Implemented exercise-put function to handle the exercise of put options, including payout and collateral return.
- Added get-current-price utility function to fetch the current BTC-USD price from the price feed.
- Implemented get-option-id function to retrieve the next option ID.
- Added is-approved-token function to check if a token is approved.
- Added is-allowed-symbol function to validate symbols.
- Updated is-valid-principal and is-valid-symbol functions for enhanced validation.
- Added is-critical-token function to identify critical tokens.
- Implemented is-critical-symbol function to identify critical symbols.
- Updated set-protocol-fee-rate and update-price-feed admin functions with validation checks.
…allowed symbols

- Added set-approved-token function with validation checks for token approval and critical token protection.
- Added set-allowed-symbol function with validation checks for symbol approval and critical symbol protection.
…curacy

- Replaced block-height with stacks-block-height in write-option function to ensure accurate block height references.
…w and functionality

- Added detailed overview of the BitBridge Options Protocol.
- Documented key features including collateralization, automated settlement, dual option types, price oracle integration, position management, SIP-010 compliance, and protocol security.
- Described core components of the smart contract architecture: options management, position tracking, and price oracle system.
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