Lab 2

contracts/Counter.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.28;
+
+contract Counter {
+  uint256 public x;
+
+  function inc() public {
+    x++;
+  }
+
+  function incBy(uint256 by) public {
+    require(by > 0, "incBy: increment should be positive");
+    x += by;
+  }
+}

contracts/Gradebook.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.28;
+
+contract Gradebook {
+
+
+  // addStudent(addr, name)
+
+  // submitScore(addr, points)
+  // this function should fire an event when points are added
+
+  // getGrade(addr)
+}