Decentralized Options Trading Protocol: A Secure, Compliant SIP-010 Implementation #1
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- Added SIP-010 trait definition for decentralized options trading protocol. - Defined error codes for various scenarios including authorization, balance, expiry, strike price, option status, collateral, and premium.
- Added new error constants for token, symbol, and timestamp validation. - Defined utility function `get-min`. - Added data types for options, user positions, approved tokens, and price feeds. - Introduced governance variables and protocol fee rate. - Integrated price oracle with validation for allowed symbols.
- Added `write-option` function to allow users to write options with validation and collateral locking. - Added `buy-option` function to allow users to buy options with validation and premium transfer. - Updated user positions and incremented option ID after writing and buying options.
- Added `exercise-option` function to allow users to exercise options with validation. - Implemented helper functions `exercise-call` and `exercise-put` for exercising call and put options respectively. - Included collateral transfer and state update logic in helper functions. - Added `check-collateral-requirement` function for collateral validation.
- Implemented `get-current-price` to fetch the current price from price feeds. - Added `get-option-id` to retrieve the next option ID. - Added `is-approved-token` and `is-allowed-symbol` for token and symbol validation. - Updated helper functions `is-valid-principal` and `is-valid-symbol` for input validation. - Added `is-critical-token` and `is-critical-symbol` to identify critical tokens and symbols.
- Implemented read-only functions `get-option`, `get-user-position`, and `get-protocol-fee-rate`. - Added admin functions `set-protocol-fee-rate` and `update-price-feed` with necessary validations.
- Implemented `set-approved-token` function to manage approved tokens with validation. - Implemented `set-allowed-symbol` function to manage allowed symbols with validation. - Added checks to prevent removal of critical tokens and symbols.
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Overview
Introducing a robust and secure decentralized options trading protocol built on Clarity for the Stacks blockchain. This implementation provides a comprehensive solution for trustless options trading with built-in price feeds, automated exercise functionality, and rigorous security measures.
Key Features
Technical Highlights
Security Considerations
Documentation
Checklist