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stevennevins · Sep 15, 2023 · 593e83a · 593e83a
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Showing 5 changed files with 28 additions and 51 deletions.
diff --git a/foundry.toml b/foundry.toml
@@ -1,5 +1,4 @@
 [profile.default]
-src = "src"
 out = "out"
 libs = ["lib"]
 

diff --git a/script/Counter.s.sol b/script/Counter.s.sol
diff --git a/src/Counter.sol b/src/Counter.sol
diff --git a/test/Counter.t.sol b/test/Counter.t.sol
diff --git a/test/Create2.t.sol b/test/Create2.t.sol
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.13;
+
+import {Test} from "forge-std/Test.sol";
+
+contract Emitter {
+    event Ping();
+
+    function ping() external {
+        emit Ping();
+    }
+}
+
+contract Create2Test is Test {
+    function test_Create2() public {
+        bytes32 salt = bytes32(0);
+        bytes memory creationCode = type(Emitter).creationCode;
+        bytes memory initCode = bytes.concat(creationCode, abi.encode());
+        (bool success,) = CREATE2_FACTORY.call(bytes.concat(salt, initCode));
+        assertTrue(success);
+        address predictedTo = computeCreate2Address(salt, hashInitCode(creationCode));
+
+        (success,) = CREATE2_FACTORY.call(bytes.concat(salt, initCode));
+        assertFalse(success);
+
+        Emitter(predictedTo).ping();
+    }
+}