Create OracleService.sol

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

@@ -0,0 +1,24 @@
+pragma solidity ^0.8.0;
+
+contract OracleService {
+    // Define the oracle service
+    uint256 public oracleRate;
+
+    // Function to update the oracle rate
+    function updateOracleRate(uint256 newRate) public {
+        // Check if the new rate is valid
+        require(newRate >= 0, "Invalid oracle rate");
+
+        // Update the oracle rate
+        oracleRate = newRate;
+    }
+
+    // Function to provide oracle data
+    function provideOracleData() public {
+        // Check if the oracle rate is valid
+        require(oracleRate >= 0, "Invalid oracle rate");
+
+        // Provide oracle data
+        // (implementation details omitted)
+    }
+}