tornadocash/tornado-anonymity-mining
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refactoring

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Alexey 2021-03-11 23:11:33 +04:00 committed by Alexey Pertsev
parent 5a82105f24
commit 44e9d7d645
1 changed files with 29 additions and 18 deletions
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47
contracts/TornadoProxy.sol
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@ -13,18 +13,24 @@ contract TornadoProxy {
using SafeERC20 for IERC20;
event EncryptedNote(address indexed sender, bytes encryptedNote);
event InstanceStateUpdate(address indexed instance, InstanceState state);
event InstanceStateUpdate(ITornadoInstance indexed instance, InstanceState state);
enum InstanceState { Disabled, Enabled, Mineable }
struct Instance {
ITornadoInstance instance;
InstanceState state;
bool isERC20;
IERC20 token;
InstanceState state;
}
struct Tornado {
ITornadoInstance addr;
Instance instance;
}
ITornadoTrees public tornadoTrees;
address public immutable governance;
mapping(ITornadoInstance => InstanceState) public instances;
mapping(ITornadoInstance => Instance) public instances;
modifier onlyGovernance() {
require(msg.sender == governance, "Not authorized");
@ -34,7 +40,7 @@ contract TornadoProxy {
constructor(
address _tornadoTrees,
address _governance,
Instance[] memory _instances
Tornado[] memory _instances
) public {
tornadoTrees = ITornadoTrees(_tornadoTrees);
governance = _governance;
@ -49,12 +55,15 @@ contract TornadoProxy {
bytes32 _commitment,
bytes calldata _encryptedNote
) external payable {
require(instances[_tornado] != InstanceState.Disabled, "The instance is not supported");
Instance memory instance = instances[_tornado];
require(instance.state != InstanceState.Disabled, "The instance is not supported");
IERC20(_tornado.token()).safeTransferFrom(msg.sender, address(this), _tornado.denomination());
if (instance.isERC20) {
instance.token.safeTransferFrom(msg.sender, address(this), _tornado.denomination());
}
_tornado.deposit{ value: msg.value }(_commitment);
if (instances[_tornado] == InstanceState.Mineable) {
if (instance.state == InstanceState.Mineable) {
tornadoTrees.registerDeposit(address(_tornado), _commitment);
}
emit EncryptedNote(msg.sender, _encryptedNote);
@ -70,17 +79,18 @@ contract TornadoProxy {
uint256 _fee,
uint256 _refund
) external payable {
require(instances[_tornado] != InstanceState.Disabled, "The instance is not supported");
Instance memory instance = instances[_tornado];
require(instance.state != InstanceState.Disabled, "The instance is not supported");
_tornado.withdraw{ value: msg.value }(_proof, _root, _nullifierHash, _recipient, _relayer, _fee, _refund);
if (instances[_tornado] == InstanceState.Mineable) {
if (instance.state == InstanceState.Mineable) {
tornadoTrees.registerWithdrawal(address(_tornado), _nullifierHash);
}
}
function updateInstance(Instance calldata _instance) external onlyGovernance {
_updateInstance(_instance);
emit InstanceStateUpdate(address(_instance), _state);
function updateInstance(Tornado calldata _tornado) external onlyGovernance {
_updateInstance(_tornado);
emit InstanceStateUpdate(_tornado.addr, _tornado.instance.state);
}
function setTornadoTreesContract(address _tornadoTrees) external onlyGovernance {
@ -109,11 +119,12 @@ contract TornadoProxy {
}
}
function _updateInstance(Instance memory _tornado) internal {
instances[_tornado.instance] = _tornado.state;
if (_tornado.isERC20) {
IERC20 token = IERC20(_tornado.instance.token());
token.safeApprove(address(_tornado.instance), uint256(-1));
function _updateInstance(Tornado memory _tornado) internal {
instances[_tornado.addr] = _tornado.instance;
if (_tornado.instance.isERC20) {
IERC20 token = IERC20(_tornado.addr.token());
require(token == _tornado.instance.token, "Incorrect token");
token.safeApprove(address(_tornado.addr), uint256(-1));
}
}
}