feat: add the identity precompile

matter-labs · Dec 6, 2024 · 8f5de30 · 8f5de30
1 parent 9c80958
commit 8f5de30
Show file tree

Hide file tree

Showing 3 changed files with 18 additions and 4 deletions.
diff --git a/solidity/ethereum/functionCall/precompile_extcodesize_check.sol b/solidity/ethereum/functionCall/precompile_extcodesize_check.sol
@@ -28,6 +28,6 @@ contract C {
 // ====
 // EVMVersion: >=constantinople
 // ----
-// testHighLevel() -> FAILURE
-// testLowLevel() -> FAILURE
+// testHighLevel() -> 1
+// testLowLevel() -> 0xc76596d400000000000000000000000000000000000000000000000000000000
 // testHighLevel2() -> FAILURE
diff --git a/solidity/simple/system/forwarder.sol b/solidity/simple/system/forwarder.sol
@@ -1,10 +1,10 @@
-//! { "cases": [] }
+//! { "ignore": true, "cases": [] }
 
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 pragma solidity >=0.8.0;
 
-contract Test {
+contract Forwarder {
     address immutable _target;
 
     constructor(address target) payable {

diff --git a/solidity/simple/system/identity.sol b/solidity/simple/system/identity.sol
@@ -0,0 +1,14 @@
+//! { "ignore": true, "cases": [] }
+
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+pragma solidity >=0.8.0;
+
+contract Identity {
+    fallback() external {
+        assembly {
+            calldatacopy(0, 0, calldatasize())
+            return(0, calldatasize())
+        }
+    }
+}