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KernelTestBase.sol
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KernelTestBase.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../Kernel.sol";
import "../factory/KernelFactory.sol";
import "../factory/FactoryStaker.sol";
import "solady_test/utils/TestPlus.sol";
import "forge-std/Test.sol";
import "../mock/MockValidator.sol";
import "../mock/MockPolicy.sol";
import "../mock/MockSigner.sol";
import "../mock/MockAction.sol";
import "../mock/MockHook.sol";
import "../mock/MockExecutor.sol";
import "../mock/MockFallback.sol";
import "../mock/MockERC20.sol";
import "../mock/MockERC721.sol";
import "../mock/MockERC1155.sol";
import "../core/ValidationManager.sol";
import "./TestBase/erc4337Util.sol";
import "../types/Types.sol";
import "../types/Structs.sol";
import "solady/accounts/LibERC7579.sol";
contract MockCallee {
uint256 public value;
event MockEvent(address indexed caller, address indexed here);
function setValue(uint256 _value) public {
value = _value;
}
function addValue(uint256 _value) public {
value += _value;
}
function emitEvent(bool shouldFail) public {
if (shouldFail) {
revert("Hello");
}
emit MockEvent(msg.sender, address(this));
}
}
abstract contract KernelTestBase is TestPlus, Test {
address stakerOwner;
Kernel kernel;
KernelFactory factory;
FactoryStaker staker;
IEntryPoint entrypoint;
ValidationId rootValidation;
bytes[] initConfig;
struct RootValidationConfig {
IHook hook;
bytes validatorData;
bytes hookData;
}
RootValidationConfig rootValidationConfig;
MockValidator mockValidator;
MockCallee callee;
MockHook mockHook;
MockFallback mockFallback;
MockExecutor mockExecutor;
MockERC20 mockERC20;
MockERC721 mockERC721;
MockERC1155 mockERC1155;
IValidator enabledValidator;
EnableValidatorConfig validationConfig;
struct EnableValidatorConfig {
IHook hook;
bytes hookData;
bytes validatorData;
}
PermissionId enabledPermission;
EnablePermissionConfig permissionConfig;
struct EnablePermissionConfig {
IHook hook;
bytes hookData;
IPolicy[] policies;
bytes[] policyData;
ISigner signer;
bytes signerData;
}
modifier whenInitialized() {
address deployed = factory.createAccount(initData(), bytes32(0));
assertEq(deployed, address(kernel));
assertEq(kernel.currentNonce(), 1);
assertEq(ValidationId.unwrap(kernel.rootValidator()), ValidationId.unwrap(rootValidation));
_;
}
modifier whenValidatorEnabled(bool useFallback, bool isExecutor) {
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_VALIDATOR,
useFallback,
isExecutor,
encodeExecute(address(callee), 0, abi.encodeWithSelector(callee.setValue.selector, 123)),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
_;
}
modifier whenPermissionEnabled(bool useFallback, bool isExecutor) {
_;
}
function needEnable(ValidationType vType) internal view returns (bool) {
if (vType == VALIDATION_TYPE_VALIDATOR) {
if (
address(kernel.validationConfig(ValidatorLib.validatorToIdentifier(enabledValidator)).hook)
== address(0)
) {
return true;
}
return false;
} else if (vType == VALIDATION_TYPE_PERMISSION) {
return address(kernel.validationConfig(ValidatorLib.permissionToIdentifier(enabledPermission)).hook)
== address(0);
} else if (vType == VALIDATION_TYPE_ROOT) {
return false;
} else {
revert("Invalid validation type");
}
}
function encodeNonce(ValidationType vType, bool enable) internal view returns (uint256 nonce) {
uint192 nonceKey = 0;
if (vType == VALIDATION_TYPE_ROOT) {
nonceKey = 0;
} else if (vType == VALIDATION_TYPE_VALIDATOR) {
ValidationMode mode = VALIDATION_MODE_DEFAULT;
if (enable) {
mode = VALIDATION_MODE_ENABLE;
}
nonceKey = ValidatorLib.encodeAsNonceKey(
ValidationMode.unwrap(mode),
ValidationType.unwrap(vType),
bytes20(address(enabledValidator)),
0 // parallel key
);
} else if (vType == VALIDATION_TYPE_PERMISSION) {
ValidationMode mode = VALIDATION_MODE_DEFAULT;
if (enable) {
mode = VALIDATION_MODE_ENABLE;
}
nonceKey = ValidatorLib.encodeAsNonceKey(
ValidationMode.unwrap(VALIDATION_MODE_ENABLE),
ValidationType.unwrap(vType),
bytes20(PermissionId.unwrap(enabledPermission)), // permission id
0
);
} else {
revert("Invalid validation type");
}
return entrypoint.getNonce(address(kernel), nonceKey);
}
function getEnableDigest(
ValidationType vType,
bool overrideValidation,
bytes memory selectorData,
bool isReplayable
) internal view returns (bytes32) {
uint32 nonce = kernel.currentNonce();
if (overrideValidation) {
nonce = nonce + 1;
}
ValidationId vId;
IHook hook;
bytes memory validatorData;
bytes memory hookData;
if (vType == VALIDATION_TYPE_VALIDATOR) {
vId = ValidatorLib.validatorToIdentifier(enabledValidator);
hook = validationConfig.hook;
validatorData = validationConfig.validatorData;
hookData = validationConfig.hookData;
} else if (vType == VALIDATION_TYPE_PERMISSION) {
vId = ValidatorLib.permissionToIdentifier(enabledPermission);
hook = permissionConfig.hook;
validatorData = encodePermissionsEnableData();
hookData = permissionConfig.hookData;
} else {
revert("Invalid validation type");
}
bytes32 hash = keccak256(
abi.encode(
keccak256(
"Enable(bytes21 validationId,uint32 nonce,address hook,bytes validatorData,bytes hookData,bytes selectorData)"
),
ValidationId.unwrap(vId),
uint256(nonce),
hook,
keccak256(validatorData),
keccak256(abi.encodePacked(hex"ff", hookData)),
keccak256(selectorData)
)
);
bytes32 digest;
if (isReplayable) {
digest = chainAgnosticHashTypedData(address(kernel), "Kernel", "0.3.2", hash);
} else {
digest =
keccak256(abi.encodePacked("\x19\x01", _buildDomainSeparator("Kernel", "0.3.2", address(kernel)), hash));
}
return digest;
}
function encodeSelectorData(bool isFallback, bool isExecutor) internal view returns (bytes memory) {
if (isFallback && isExecutor) {
return abi.encodePacked(
MockFallback.setData.selector,
address(mockFallback),
address(1),
abi.encode(abi.encodePacked(hex"00", "MockFallbackInit"), hex"", abi.encodePacked(address(0))) // TODO add executor hook test
);
} else if (isFallback) {
return abi.encodePacked(
MockFallback.setData.selector,
address(mockFallback),
address(1),
abi.encode(abi.encodePacked(hex"00", "MockFallbackInit"), hex"")
);
} else if (!isFallback && !isExecutor) {
return abi.encodePacked(Kernel.execute.selector);
} else {
revert("Invalid selector data");
}
}
function getValidationId(ValidationType vType) internal view returns (ValidationId) {
if (vType == VALIDATION_TYPE_VALIDATOR) {
return ValidatorLib.validatorToIdentifier(enabledValidator);
} else if (vType == VALIDATION_TYPE_PERMISSION) {
return ValidatorLib.permissionToIdentifier(enabledPermission);
} else {
revert("Invalid validation type");
}
}
function getEnableSignature(
ValidationType vType,
bytes32 digest,
bytes memory selectorData,
PackedUserOperation memory op,
bool successEnable,
bool successUserOp,
bool isReplayable
) internal returns (bytes memory) {
bytes memory enableSig = _rootSignDigest(digest, successEnable);
bytes memory userOpSig = _signUserOp(vType, op, successUserOp, isReplayable);
IHook hook;
bytes memory validatorData;
bytes memory hookData;
if (vType == VALIDATION_TYPE_VALIDATOR) {
hook = validationConfig.hook;
validatorData = validationConfig.validatorData;
hookData = validationConfig.hookData;
} else if (vType == VALIDATION_TYPE_PERMISSION) {
hook = permissionConfig.hook;
validatorData = encodePermissionsEnableData();
hookData = permissionConfig.hookData;
} else {
revert("Invalid validation type");
}
return encodeEnableSignature(
hook, validatorData, abi.encodePacked(hex"ff", hookData), selectorData, enableSig, userOpSig, isReplayable
);
}
function _prepareUserOp(
ValidationType vType,
bool isFallback,
bool isExecutor,
bytes memory callData,
bool successEnable,
bool successUserOp,
bool isReplayable
) internal returns (PackedUserOperation memory op) {
if (isFallback && isExecutor) {
mockFallback.setExecutorMode(true);
}
bool enable = needEnable(vType);
op = PackedUserOperation({
sender: address(kernel),
nonce: encodeNonce(vType, enable),
initCode: address(kernel).code.length == 0
? abi.encodePacked(
address(staker), abi.encodeWithSelector(staker.deployWithFactory.selector, factory, initData(), bytes32(0))
)
: abi.encodePacked(hex""),
callData: callData,
accountGasLimits: bytes32(abi.encodePacked(uint128(1000000), uint128(1000000))), // TODO make this dynamic
preVerificationGas: 1000000,
gasFees: bytes32(abi.encodePacked(uint128(1), uint128(1))),
paymasterAndData: hex"", // TODO have paymaster test cases
signature: hex""
});
if (enable) {
bytes memory selectorData = encodeSelectorData(isFallback, isExecutor);
bytes32 digest = getEnableDigest(vType, false, selectorData, isReplayable);
op.signature =
getEnableSignature(vType, digest, selectorData, op, successEnable, successUserOp, isReplayable);
} else {
op.signature = _signUserOp(vType, op, successUserOp, isReplayable);
}
if (isReplayable) {
op.signature = abi.encodePacked(MAGIC_VALUE_SIG_REPLAYABLE, op.signature);
}
}
function setUp() public {
enabledPermission = PermissionId.wrap(bytes4(0xdeadbeef));
entrypoint = IEntryPoint(EntryPointLib.deploy());
Kernel impl = new Kernel(entrypoint);
factory = new KernelFactory(address(impl));
callee = new MockCallee();
mockHook = new MockHook();
mockFallback = new MockFallback();
mockExecutor = new MockExecutor();
mockERC20 = new MockERC20();
mockERC721 = new MockERC721();
mockERC1155 = new MockERC1155();
_setRootValidationConfig();
_setEnableValidatorConfig();
_setEnablePermissionConfig();
kernel = Kernel(payable(factory.getAddress(initData(), bytes32(0))));
stakerOwner = makeAddr("StakerOwner");
staker = new FactoryStaker(stakerOwner);
vm.startPrank(stakerOwner);
staker.approveFactory(factory, true);
vm.stopPrank();
}
function testDeployWithFactory() external {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(VALIDATION_TYPE_ROOT, false, false, hex"", true, true, false);
// _prepareRootUserOp(hex"", true);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
function testInitConfig() external {
bytes[] memory configs = new bytes[](1);
MockValidator mv = new MockValidator();
configs[0] = abi.encodeWithSelector(
Kernel.installModule.selector, 1, address(mv), abi.encodePacked(address(0), abi.encode(hex"", hex"", hex""))
);
initConfig = configs;
kernel = Kernel(payable(factory.getAddress(initData(), bytes32(0))));
address deployed = factory.createAccount(initData(), bytes32(0));
assertEq(deployed, address(kernel));
assertEq(kernel.currentNonce(), 1);
assertEq(ValidationId.unwrap(kernel.rootValidator()), ValidationId.unwrap(rootValidation));
ValidationManager.ValidationConfig memory config =
kernel.validationConfig(ValidatorLib.validatorToIdentifier(mv));
assertEq(config.nonce, 1);
assertEq(address(config.hook), address(1));
}
function test_receive() external whenInitialized {
vm.expectEmit(false, false, false, true, address(kernel));
emit Kernel.Received(address(this), 1);
(bool success,) = address(kernel).call{value: 1}(hex"");
require(success, "eth transfer failed");
mockERC721.mint(address(kernel), 100);
mockERC721.safeMint(address(kernel), 999);
mockERC1155.mint(address(kernel), 100, 1, hex"");
uint256[] memory ids = new uint256[](2);
uint256[] memory amounts = new uint256[](2);
ids[0] = 200;
ids[1] = 201;
amounts[0] = 1;
amounts[1] = 1000;
mockERC1155.batchMint(address(kernel), ids, amounts, hex"");
}
function initData() internal view returns (bytes memory) {
return abi.encodeWithSelector(
Kernel.initialize.selector,
rootValidation,
rootValidationConfig.hook,
rootValidationConfig.validatorData,
rootValidationConfig.hookData,
initConfig
);
}
function encodeEnableSignature(
IHook hook,
bytes memory validatorData,
bytes memory hookData,
bytes memory selectorData,
bytes memory enableSig,
bytes memory userOpSig,
bool isReplayable
) internal pure returns (bytes memory) {
return abi.encodePacked(
abi.encodePacked(hook), abi.encode(validatorData, hookData, selectorData, enableSig, userOpSig)
);
}
// things to override on test
function _setRootValidationConfig() internal virtual {
mockValidator = new MockValidator();
rootValidation = ValidatorLib.validatorToIdentifier(mockValidator);
}
function _setEnableValidatorConfig() internal virtual {
enabledValidator = new MockValidator();
}
function _setEnablePermissionConfig() internal virtual {
IPolicy[] memory policies = new IPolicy[](2);
MockPolicy mockPolicy = new MockPolicy();
MockPolicy mockPolicy2 = new MockPolicy();
policies[0] = mockPolicy;
policies[1] = mockPolicy2;
bytes[] memory policyData = new bytes[](2);
policyData[0] = "policy1";
policyData[1] = "policy2";
MockSigner mockSigner = new MockSigner();
permissionConfig.policies = policies;
permissionConfig.signer = mockSigner;
permissionConfig.policyData = policyData;
permissionConfig.signerData = "signer";
}
// root validator cases
function _rootValidatorSuccessCheck() internal virtual {
assertEq(123, callee.value());
}
function _rootValidatorFailureCheck() internal virtual {
assertEq(0, callee.value());
}
function _rootSignDigest(bytes32 digest, bool success) internal virtual returns (bytes memory data) {
if (success) {
data = "enableSig";
mockValidator.sudoSetValidSig(data);
} else {
data = "failEnableSig";
}
}
function _signUserOp(ValidationType vType, PackedUserOperation memory op, bool success, bool isReplayable)
internal
virtual
returns (bytes memory sig)
{
bytes32 userOpHash = entrypoint.getUserOpHash(op);
if (isReplayable) {
userOpHash = kernel.replayableUserOpHash(op, address(entrypoint));
}
if (vType == VALIDATION_TYPE_VALIDATOR) {
sig = _validatorSignUserOp(op, userOpHash, success);
} else if (vType == VALIDATION_TYPE_PERMISSION) {
sig = _permissionSignUserOp(op, userOpHash, success);
} else if (vType == VALIDATION_TYPE_ROOT) {
sig = _rootSignUserOp(op, userOpHash, success);
} else {
revert("Invalid validation type");
}
}
function _rootSignUserOp(PackedUserOperation memory op, bytes32 userOpHash, bool success)
internal
virtual
returns (bytes memory)
{
mockValidator.sudoSetSuccess(success);
return success ? abi.encodePacked("success") : abi.encodePacked("failure");
}
function _validatorSignUserOp(PackedUserOperation memory, bytes32 userOpHash, bool success)
internal
virtual
returns (bytes memory data)
{
MockValidator(address(enabledValidator)).sudoSetSuccess(success);
if (success) {
return "userOpSig";
} else {
return "failUserOpSig";
}
}
function _validatorSignDigest(bytes32 digest, bool success) internal virtual returns (bytes memory data) {
if (success) {
data = "enableSig";
MockValidator(address(enabledValidator)).sudoSetValidSig(data);
} else {
data = "failEnableSig";
}
}
function _permissionSignUserOp(PackedUserOperation memory op, bytes32 userOpHash, bool success)
internal
virtual
returns (bytes memory data)
{
MockPolicy(address(permissionConfig.policies[0])).sudoSetValidSig(
address(kernel), bytes32(PermissionId.unwrap(enabledPermission)), "policy1"
);
MockPolicy(address(permissionConfig.policies[1])).sudoSetValidSig(
address(kernel), bytes32(PermissionId.unwrap(enabledPermission)), "policy2"
);
MockSigner(address(permissionConfig.signer)).sudoSetValidSig(
address(kernel),
bytes32(PermissionId.unwrap(enabledPermission)),
success ? abi.encodePacked("userOpSig") : abi.encodePacked("NO")
);
bytes[] memory sigs = _getPolicyAndSignerSig(op, success);
for (uint8 i = 0; i < sigs.length - 1; i++) {
if (sigs[i].length > 0) {
data = abi.encodePacked(data, bytes1(i), bytes8(uint64(sigs[i].length)), sigs[i]);
}
}
data = abi.encodePacked(data, bytes1(0xff), sigs[sigs.length - 1]);
}
function _permissionSignDigest(bytes32 digest, bool success) internal virtual returns (bytes memory data) {
MockPolicy(address(permissionConfig.policies[0])).sudoSetPass(
address(kernel), bytes32(PermissionId.unwrap(enabledPermission)), true
);
MockPolicy(address(permissionConfig.policies[1])).sudoSetPass(
address(kernel), bytes32(PermissionId.unwrap(enabledPermission)), true
);
MockSigner(address(permissionConfig.signer)).sudoSetPass(
address(kernel), bytes32(PermissionId.unwrap(enabledPermission)), success
);
return "hello world";
}
function _getPolicyAndSignerSig(PackedUserOperation memory op, bool success)
internal
returns (bytes[] memory data)
{
data = new bytes[](3);
data[0] = "policy1";
data[1] = "policy2";
data[2] = "userOpSig";
}
// --- Root validator cases, no need to enable ---
function testRootValidateUser(bool success) external whenInitialized {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
encodeExecute(address(callee), 0, abi.encodeWithSelector(callee.setValue.selector, 123)),
true,
success,
false
);
if (!success) {
vm.expectRevert(abi.encodeWithSelector(IEntryPoint.FailedOp.selector, 0, "AA24 signature error"));
}
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
if (success) {
_rootValidatorSuccessCheck();
}
}
function testRootValidateUserReplayable(bool success) external whenInitialized {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
encodeExecute(address(callee), 0, abi.encodeWithSelector(callee.setValue.selector, 123)),
true,
success,
true
);
if (!success) {
vm.expectRevert(abi.encodeWithSelector(IEntryPoint.FailedOp.selector, 0, "AA24 signature error"));
}
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
if (success) {
_rootValidatorSuccessCheck();
}
}
function _buildDomainSeparator(string memory name, string memory version, address verifyingContract)
internal
view
returns (bytes32)
{
bytes32 hashedName = keccak256(bytes(name));
bytes32 hashedVersion = keccak256(bytes(version));
bytes32 typeHash =
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
return keccak256(abi.encode(typeHash, hashedName, hashedVersion, block.chainid, address(verifyingContract)));
}
function encodeExecute(address _to, uint256 _amount, bytes memory _data) internal view returns (bytes memory) {
return abi.encodeWithSelector(kernel.execute.selector, bytes32(0), ExecLib.encodeSingle(_to, _amount, _data));
}
function encodeBatchExecute(Execution[] memory execs) internal view returns (bytes memory) {
return abi.encodeWithSelector(
kernel.execute.selector,
LibERC7579.encodeMode(bytes1(0x01), bytes1(0x00), bytes4(0), bytes22(0)),
abi.encode(execs)
);
}
function testInvalidateNonce(uint32 nonce) external whenInitialized {
uint32 kernelNonce = kernel.currentNonce();
bytes memory errorMsg;
if (nonce < kernelNonce) {
errorMsg = abi.encodeWithSelector(ValidationManager.InvalidNonce.selector);
} else if (nonce > kernelNonce + MAX_NONCE_INCREMENT_SIZE) {
errorMsg = abi.encodeWithSelector(ValidationManager.NonceInvalidationError.selector);
}
if (errorMsg.length > 0) {
vm.expectRevert(errorMsg);
}
vm.prank(address(kernel));
kernel.invalidateNonce(nonce);
if (errorMsg.length > 0) {
assertEq(kernel.currentNonce(), kernelNonce);
} else {
assertEq(kernel.currentNonce(), nonce);
assertEq(kernel.validNonceFrom(), nonce);
}
}
function testValidateUserOpWithEnable(
ValidationType vType,
bool useFallback,
bool isExecutor,
bool enableSuccess,
bool userOpSuccess,
bool replayable
) external whenInitialized {
vm.assume(vType == VALIDATION_TYPE_VALIDATOR || vType == VALIDATION_TYPE_PERMISSION);
if (useFallback == false && isExecutor == true) {
isExecutor = false;
}
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
vType,
useFallback,
isExecutor,
useFallback
? abi.encodeWithSelector(MockFallback.setData.selector, 123456)
: encodeExecute(address(callee), 0, abi.encodeWithSelector(callee.setValue.selector, 123)),
enableSuccess,
userOpSuccess,
replayable
);
if (!enableSuccess) {
vm.expectRevert(
abi.encodeWithSelector(
IEntryPoint.FailedOpWithRevert.selector,
0,
"AA23 reverted",
abi.encodePacked(ValidationManager.EnableNotApproved.selector)
)
);
} else if (!userOpSuccess) {
vm.expectRevert(abi.encodeWithSelector(IEntryPoint.FailedOp.selector, 0, "AA24 signature error"));
}
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
if (enableSuccess && userOpSuccess) {
ValidationManager.ValidationConfig memory config = kernel.validationConfig(getValidationId(vType));
assertEq(config.nonce, 1);
assertEq(address(config.hook), address(1));
assertEq(kernel.currentNonce(), 1);
if (vType == VALIDATION_TYPE_PERMISSION) {
ValidationManager.PermissionConfig memory pConfig = kernel.permissionConfig(enabledPermission);
pConfig.signer = permissionConfig.signer;
}
if (useFallback) {
assertEq(kernel.isAllowedSelector(getValidationId(vType), MockFallback.setData.selector), true);
assertEq(mockFallback.valueStored(), 123456);
Callee callee1 = mockFallback.callee();
if (isExecutor) {
assertEq(callee1.lastCaller(), address(kernel));
} else {
assertEq(callee1.lastCaller(), address(0));
}
} else {
assertEq(kernel.isAllowedSelector(getValidationId(vType), Kernel.execute.selector), true);
assertEq(callee.value(), 123);
}
}
}
function encodePermissionsEnableData() internal view returns (bytes memory) {
bytes[] memory permissions = new bytes[](permissionConfig.policies.length + 1);
for (uint256 i = 0; i < permissions.length - 1; i++) {
permissions[i] = abi.encodePacked(
PolicyData.unwrap(ValidatorLib.encodePolicyData(false, false, address(permissionConfig.policies[i]))),
permissionConfig.policyData[i]
);
}
permissions[permissions.length - 1] = abi.encodePacked(
PolicyData.unwrap(ValidatorLib.encodePolicyData(false, false, address(permissionConfig.signer))),
permissionConfig.signerData
);
return abi.encode(permissions);
}
enum HookInfo {
NoHook,
DefaultHook,
WithHook
}
function _installValidator(IValidator validator) internal {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(
kernel.installModule.selector,
1,
address(validator),
abi.encodePacked(
address(0), // Hook
abi.encode(
hex"", // validator data
hex"", // hook data
hex"" // selector data
)
)
),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
function _uninstallValidator(IValidator validator) internal {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(kernel.uninstallModule.selector, 1, address(validator), hex""),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
function testValidatorInstall() external whenInitialized {
MockValidator mv = new MockValidator();
_installValidator(mv);
ValidationManager.ValidationConfig memory config =
kernel.validationConfig(ValidatorLib.validatorToIdentifier(mv));
assertEq(config.nonce, 1);
assertEq(address(config.hook), address(1));
_uninstallValidator(mv);
config = kernel.validationConfig(ValidatorLib.validatorToIdentifier(mv));
assertEq(config.nonce, 1);
assertEq(address(config.hook), address(0));
_installValidator(mv);
config = kernel.validationConfig(ValidatorLib.validatorToIdentifier(mv));
assertEq(config.nonce, 2);
assertEq(address(config.hook), address(1));
}
function _installAction(HookInfo withHook) internal {
vm.deal(address(kernel), 1e18);
MockAction mockAction = new MockAction();
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(
kernel.installModule.selector,
3,
address(mockAction),
abi.encodePacked(
MockAction.doSomething.selector,
withHook == HookInfo.WithHook
? address(mockHook)
: withHook == HookInfo.NoHook ? address(1) : address(0),
withHook == HookInfo.WithHook
? abi.encode(hex"ff", abi.encodePacked(bytes1(0xff), "hookData"))
: abi.encode(hex"ff", hex"")
)
),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
function testActionInstall(uint8 hookUint) external whenInitialized {
vm.assume(uint8(hookUint) < 3);
HookInfo withHook = HookInfo(hookUint);
_installAction(withHook);
SelectorManager.SelectorConfig memory config = kernel.selectorConfig(MockAction.doSomething.selector);
assertEq(
address(config.hook),
withHook == HookInfo.WithHook
? address(mockHook)
: withHook == HookInfo.NoHook ? address(1) : address(0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF)
);
if (withHook != HookInfo.DefaultHook) {
vm.expectEmit(address(kernel));
emit MockAction.MockActionEvent(address(kernel));
MockAction(address(kernel)).doSomething();
} else {
vm.expectRevert();
MockAction(address(kernel)).doSomething();
PackedUserOperation memory op = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(MockAction.doSomething.selector),
true,
true,
false
);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = op;
vm.expectEmit(address(kernel));
emit MockAction.MockActionEvent(address(kernel));
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
if (withHook == HookInfo.WithHook) {
assertEq(mockHook.data(address(kernel)), abi.encodePacked("hookData"));
assertEq(
mockHook.preHookData(address(kernel)), abi.encodePacked(address(this), MockAction.doSomething.selector)
);
assertEq(mockHook.postHookData(address(kernel)), abi.encodePacked("hookData"));
}
}
function testActionUninstall(uint8 hookUint) external whenInitialized {
vm.assume(uint8(hookUint) < 3);
HookInfo withHook = HookInfo(hookUint);
_installAction(withHook);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(
kernel.uninstallModule.selector,
3,
address(mockFallback),
abi.encodePacked(MockAction.doSomething.selector)
),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
SelectorManager.SelectorConfig memory config = kernel.selectorConfig(MockAction.doSomething.selector);
assertEq(address(config.hook), address(0));
assertEq(address(config.target), address(0));
}
function _installFallback(HookInfo withHook) internal {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(
kernel.installModule.selector,
3,
address(mockFallback),
abi.encodePacked(
MockFallback.fallbackFunction.selector,
withHook == HookInfo.WithHook
? address(mockHook)
: withHook == HookInfo.NoHook ? address(1) : address(0),
withHook == HookInfo.WithHook
? abi.encode(abi.encodePacked(hex"00", "fallbackData"), abi.encodePacked(bytes1(0xff), "hookData"))
: abi.encode(abi.encodePacked(hex"00", "fallbackData"), abi.encodePacked(""))
)
),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
function testFallbackInstall(uint8 hookUint) external whenInitialized {
vm.assume(uint8(hookUint) < 3);
HookInfo withHook = HookInfo(hookUint);
_installFallback(withHook);
assertEq(mockFallback.data(address(kernel)), abi.encodePacked("fallbackData"));
SelectorManager.SelectorConfig memory config = kernel.selectorConfig(MockFallback.fallbackFunction.selector);
assertEq(
address(config.hook),
withHook == HookInfo.WithHook
? address(mockHook)
: withHook == HookInfo.NoHook ? address(1) : address(0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF)
);
assertEq(address(config.target), address(mockFallback));
if (withHook != HookInfo.DefaultHook) {
(bool success, bytes memory result) =
address(kernel).call(abi.encodeWithSelector(MockFallback.fallbackFunction.selector, uint256(10)));
assertTrue(success);
(uint256 res) = abi.decode(result, (uint256));
assertEq(res, 100);
} else {
(bool success, bytes memory result) =
address(kernel).call(abi.encodeWithSelector(MockFallback.fallbackFunction.selector, uint256(10)));
assertFalse(success);
PackedUserOperation memory op = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(MockFallback.fallbackFunction.selector, uint256(10)),
true,
true,
false
);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = op;
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
}
if (withHook == HookInfo.WithHook) {
assertEq(mockHook.data(address(kernel)), abi.encodePacked("hookData"));
assertEq(
mockHook.preHookData(address(kernel)),
abi.encodePacked(address(this), MockFallback.fallbackFunction.selector, uint256(10))
);
assertEq(mockHook.postHookData(address(kernel)), abi.encodePacked("hookData"));
}
}
function testFallbackUninstall(uint8 hookUint) external whenInitialized {
vm.assume(uint8(hookUint) < 3);
HookInfo withHook = HookInfo(hookUint);
_installFallback(withHook);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(
kernel.uninstallModule.selector,
3,
address(mockFallback),
abi.encodePacked(MockFallback.fallbackFunction.selector)
),
true,
true,
false
);
entrypoint.handleOps(ops, payable(address(0xdeadbeef)));
SelectorManager.SelectorConfig memory config = kernel.selectorConfig(MockFallback.fallbackFunction.selector);
assertEq(address(config.hook), address(0));
assertEq(address(config.target), address(0));
}
function _installExecutor(bool withHook) internal {
vm.deal(address(kernel), 1e18);
PackedUserOperation[] memory ops = new PackedUserOperation[](1);
ops[0] = _prepareUserOp(
VALIDATION_TYPE_ROOT,
false,
false,
abi.encodeWithSelector(