treeder · June 21, 2018 19:17 · Jun 21, 2018
diff --git a/greeter.sol b/greeter.sol
@@ -0,0 +1,27 @@
+pragma solidity ^0.4.21;
+
+contract Mortal {
+    /* Define variable owner of the type address */
+    address owner;
+
+    /* This function is executed at initialization and sets the owner of the contract */
+    constructor() public { owner = msg.sender; }
+
+    /* Function to recover the funds on the contract */
+    function kill() public { if (msg.sender == owner) selfdestruct(owner); }
+}
+
+contract Greeter is Mortal {
+    /* Define variable greeting of the type string */
+    string greeting;
+
+    /* This runs when the contract is executed */
+    constructor() public {
+        greeting = "Hello World!";
+    }
+
+    /* Main function */
+    function greet() public view returns (string) {
+        return greeting;
+    }
+}
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