Create defi_bridge.sol

blockchain_integration/pi_network/pi-stablecoin/advanced_features/defi_bridge/defi_bridge.sol

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+pragma solidity ^0.8.0;
+
+import "https://github.com/OpenZeppelin/openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
+
+contract DeFiBridge {
+    // Mapping of DeFi protocols
+    mapping (address => address) public defiProtocols;
+
+    // Function to lend Pi-Stablecoin on a DeFi protocol
+    function lend(address protocol, uint256 amount) public {
+        // Approve protocol to spend Pi-Stablecoin
+        ERC20(piStablecoin).approve(protocol, amount);
+        // Call protocol's lending function
+        DeFiProtocol(protocol).lend(amount);
+    }
+}