diff --git a/blockchain_integration/pi_network/DeFi_Integration/LendingProtocol.sol b/blockchain_integration/pi_network/DeFi_Integration/LendingProtocol.sol new file mode 100644 index 000000000..cd09794da --- /dev/null +++ b/blockchain_integration/pi_network/DeFi_Integration/LendingProtocol.sol @@ -0,0 +1,63 @@ +pragma solidity ^0.8.0; + +import {DeFiIntegration} from "./DeFiIntegration.sol"; +import {ERC20} from "./ERC20.sol"; + +contract LendingProtocol { + // Mapping of lenders to their corresponding lending balances + mapping (address => uint256) public lendingBalances; + + // Mapping of borrowers to their corresponding borrowing balances + mapping (address => uint256) public borrowingBalances; + + // Event emitted when a lender deposits Pi Coin into the lending protocol + event LenderDeposit(address indexed lender, uint256 amount); + + // Event emitted when a borrower borrows Pi Coin from the lending protocol + event BorrowerBorrow(address indexed borrower, uint256 amount); + + // Event emitted when a borrower repays a loan on the lending protocol + event BorrowerRepay(address indexed borrower, uint256 amount); + + // Function to deposit Pi Coin into the lending protocol + function deposit(uint256 _amount) public { + // Transfer Pi Coin from lender to lending protocol + DeFiIntegration.transferFrom(msg.sender, address(this), _amount); + + // Update lender's lending balance + lendingBalances[msg.sender] += _amount; + + // Emit lender deposit event + emit LenderDeposit(msg.sender, _amount); + } + + // Function to borrow Pi Coin from the lending protocol + function borrow(uint256 _amount) public { + // Check if borrowing protocol has sufficient liquidity + require(lendingBalances[msg.sender] >= _amount, "Insufficient liquidity"); + + // Transfer Pi Coin from lending protocol to borrower + DeFiIntegration.transfer(msg.sender, _amount); + + // Update borrower's borrowing balance + borrowingBalances[msg.sender] += _amount; + + // Emit borrower borrow event + emit BorrowerBorrow(msg.sender, _amount); + } + + // Function to repay a loan on the lending protocol + function repay(uint256 _amount) public { + // Check if borrower has sufficient DeFi balance + require(DeFiIntegration.defiBalances[msg.sender] >= _amount, "Insufficient DeFi balance"); + + // Transfer Pi Coin from borrower to lending protocol + DeFiIntegration.transferFrom(msg.sender, address(this), _amount); + + // Update borrower's borrowing balance + borrowingBalances[msg.sender] -= _amount; + + // Emit borrower repay event + emit BorrowerRepay(msg.sender, _amount); + } +}