Bitcoin-Native Overcollateralized Stablecoin Protocol#1
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…stablecoin protocol - Define constants for error codes, collateral ratios, and minimum deposit amounts - Add data variables for contract owner, price oracle, total supply, BTC price, and last price update - Create data maps for user positions and liquidation history - Implement read-only functions to get user positions, collateral ratios, and current BTC price - Add private functions to check price freshness, minimum collateral, and position health
…lecoins - Implement `deposit-collateral` to allow users to deposit Bitcoin collateral. - Implement `mint-stablecoin` to allow users to mint stablecoins based on their collateral. - Ensure collateral and debt are updated correctly in user positions. - Validate minimum collateral amount and price freshness before processing transactions. - Update total supply of stablecoins upon successful minting.
…ateral, and liquidating positions - Implement `repay-stablecoin` to allow users to repay their stablecoin debt. - Implement `withdraw-collateral` to allow users to withdraw their Bitcoin collateral. - Implement `liquidate-position` to allow liquidation of undercollateralized positions. - Ensure collateral and debt are updated correctly in user positions. - Validate debt amount, collateral amount, and position health before processing transactions. - Record liquidation history and update total supply of stablecoins upon successful liquidation.
…ateral, and liquidating positions - Implement `repay-stablecoin` to allow users to repay their stablecoin debt. - Implement `withdraw-collateral` to allow users to withdraw their Bitcoin collateral. - Implement `liquidate-position` to allow liquidation of undercollateralized positions. - Ensure collateral and debt are updated correctly in user positions. - Validate debt amount, collateral amount, and position health before processing transactions. - Record liquidation history and update total supply of stablecoins upon successful liquidation.
…ice updates and position management - Ensure consistency by using stacks-block-height for last price update and position management. - Update block height references in public functions for depositing collateral, minting stablecoins, repaying stablecoins, withdrawing collateral, and liquidating positions.
…cations, and integration guide - Include an overview of the SatoshiStable protocol and its key features. - Provide technical specifications including collateralization parameters and smart contract functions. - Detail user operations such as depositing collateral, minting stablecoins, repaying stablecoins, and withdrawing collateral. - Explain the liquidation mechanism and read-only functions. - Outline administrative functions for setting price and price oracle. - List error codes and security considerations. - Offer an integration guide for initializing positions, managing risk, and preventing liquidation.
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Overview
This PR implements a comprehensive Bitcoin-native stablecoin protocol leveraging Stacks Layer 2 capabilities. The protocol enables users to mint USD-pegged stablecoins using native Bitcoin as collateral, with built-in security measures and efficient capital utilization.
Key Features
Technical Implementation
Core Infrastructure
Position Management
Security Features
Documentation
Next Steps
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Checklist