Bitcoin Bridge Smart Contract Implementation#1
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- Defined error codes for various contract operations including authorization, amount validation, balance checks, bridge status, transaction processing, oracle validation, recipient validation, deposit limits, and transaction hash validation.
- Defined core configuration variables including bridge owner, bridge pause status, bridge fee percentage, and maximum deposit amount. - Added bridge state variable to track the total locked Bitcoin.
…recipient management, and user balances - Defined maps for managing authorized oracles, tracking processed transactions, whitelisting recipients, and storing user balances.
- Defined the wrapped Bitcoin fungible token. - Added private functions for authorization checks, principal validation, transaction hash validation, and retrieving user balance amounts.
- Defined a private function to validate Bitcoin transactions by checking the transaction hash, amount, and authorization status of the validator.
…dge controls, configuration updates, and core bridge operations - Added public functions to add and remove oracles, manage recipient whitelist, pause and unpause the bridge, update bridge fee and maximum deposit amount. - Implemented core bridge operation for depositing Bitcoin, including input validation, bridge state validation, transaction processing, and state updates.
- Added read-only functions to get total locked Bitcoin, user balance, oracle authorization status, and bridge owner status.
… contribution guidelines
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Overview
This PR implements a comprehensive Bitcoin Bridge smart contract that enables secure bridging of Bitcoin to wrapped tokens (wBTC) on the Stacks blockchain.
Changes
Core Contract Implementation
Documentation
Implementation Details
1. Constants and Error Codes
2. Core Configuration
3. Storage and State Management
4. Security Features
Security Considerations
Deployment Notes
Checklist