Create Pegging.sol

blockchain_integration/pi_network/pi-stablecoin/contracts/Pegging.sol

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+pragma solidity ^0.8.0;
+
+contract Pegging {
+    // Define the pegging mechanism
+    uint256 public peggingRate;
+
+    // Function to update the pegging rate
+    function updatePeggingRate(uint256 newRate) public {
+        // Check if the new rate is valid
+        require(newRate >= 0, "Invalid pegging rate");
+
+        // Update the pegging rate
+        peggingRate = newRate;
+    }
+
+    // Function to maintain the peg
+    function maintainPeg() public {
+        // Check if the pegging rate is valid
+        require(peggingRate >= 0, "Invalid pegging rate");
+
+        // Maintain the peg
+        // (implementation details omitted)
+    }
+}