feat: add E2E tests for EIP-6780 (SELFDESTRUCT only in same transaction)

tests/eip6780/contracts/Destructible.sol

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+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity ^0.8.24;
+
+/// @title Destructible
+/// @notice A minimal contract that exposes SELFDESTRUCT to any recipient.
+///
+///         Post EIP-6780 (Cancun / INTERSTELLAR fork):
+///         - If called on a **pre-existing** contract: only the balance is
+///           transferred; code and storage are preserved.
+///         - If called on a contract **created in the same transaction**: the
+///           contract is fully deleted (code + storage removed).
+contract Destructible {
+    /// @notice Allow plain VET transfers into the contract so it can hold a balance.
+    receive() external payable {}
+
+    /// @notice Transfer this contract's balance to `recipient` via SELFDESTRUCT.
+    /// @param recipient The address that receives the balance.
+    function destroy(address payable recipient) external {
+        selfdestruct(recipient);
+    }
+}

tests/eip6780/contracts/Factory.sol

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+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity ^0.8.24;
+
+import "./Destructible.sol";
+
+/// @title Factory
+/// @notice Deploys a Destructible child and immediately calls SELFDESTRUCT on it
+///         within the same transaction.
+///
+///         This exercises the EIP-6780 **same-transaction** deletion path:
+///         because the child was created in the same tx as the SELFDESTRUCT call,
+///         it is fully deleted (code + storage removed) post-INTERSTELLAR fork.
+contract Factory {
+    /// @notice Deploy a child Destructible and self-destruct it in the same tx.
+    /// @return child The address of the newly created (and immediately destroyed) child.
+    function deployAndDestroy() external returns (address child) {
+        Destructible d = new Destructible();
+        child = address(d);
+        d.destroy(payable(msg.sender));
+    }
+}

tests/eip6780/contracts/gen.go

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+// Copyright (c) 2018 The VeChainThor developers
+// Distributed under the GNU Lesser General Public License v3.0 software license, see the accompanying
+// file LICENSE or <https://www.gnu.org/licenses/lgpl-3.0.html>
+
+package contracts
+
+// //go:generate docker run --rm -v ./:/sources ghcr.io/argotorg/solc:0.8.28 --evm-version cancun --optimize --optimize-runs 200 -o /sources/compiled --overwrite --abi --bin --bin-runtime /sources/Destructible.sol /sources/Factory.sol
+
+//go:generate sh -c "docker run --rm -v $(pwd):/src ghcr.io/argotorg/solc:stable --combined-json abi,bin,bin-runtime,hashes /src/Destructible.sol | docker run --rm -i -v $(pwd):/src otherview/solgen:latest --out /src/generated"
+//go:generate sh -c "docker run --rm -v $(pwd):/src ghcr.io/argotorg/solc:stable --combined-json abi,bin,bin-runtime,hashes /src/Factory.sol | docker run --rm -i -v $(pwd):/src otherview/solgen:latest --out /src/generated"