events

Signed-off-by: xermicus <cyrill@parity.io>

crates/integration/contracts/DivisionArithmetics.sol

@@ -1,3 +1,7 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8;
+
 contract DivisionArithmetics {
     function div(uint n, uint d) public pure returns (uint q) {
         assembly {

crates/integration/contracts/Events.sol

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8;
+
+contract Events {
+    event A() anonymous;
+    event E(uint, uint indexed, uint indexed, uint indexed);
+
+    function emitEvent(uint topics) public {
+        if (topics == 0) {
+            emit A();
+        } else {
+            emit E(topics, 1, 2, 3);
+        }
+    }
+}