tornado-core/contracts/ETHMixer.sol
2019-11-11 19:12:17 +03:00

42 lines
1.7 KiB
Solidity

// https://tornado.cash
/*
* d888888P dP a88888b. dP
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* 88 .d8888b. 88d888b. 88d888b. .d8888b. .d888b88 .d8888b. 88 .d8888b. .d8888b. 88d888b.
* 88 88' `88 88' `88 88' `88 88' `88 88' `88 88' `88 88 88' `88 Y8ooooo. 88' `88
* 88 88. .88 88 88 88 88. .88 88. .88 88. .88 dP Y8. .88 88. .88 88 88 88
* dP `88888P' dP dP dP `88888P8 `88888P8 `88888P' 88 Y88888P' `88888P8 `88888P' dP dP
* ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
*/
pragma solidity ^0.5.8;
import "./Mixer.sol";
contract ETHMixer is Mixer {
constructor(
IVerifier _verifier,
uint256 _denomination,
uint32 _merkleTreeHeight,
address _operator
) Mixer(_verifier, _denomination, _merkleTreeHeight, _operator) public {
}
function _processDeposit() internal nonReentrant {
require(msg.value == denomination, "Please send `mixDenomination` ETH along with transaction");
}
function _processWithdraw(address payable _recipient, address payable _relayer, uint256 _fee, uint256 _refund) internal nonReentrant {
// sanity checks
require(msg.value == 0, "Message value is supposed to be zero for ETH mixer");
require(_refund == 0, "Refund value is supposed to be zero for ETH mixer");
(bool success, ) = _recipient.call.value(denomination - _fee)("");
require(success, "payment to _recipient did not go thru");
if (_fee > 0) {
(success, ) = _relayer.call.value(_fee)("");
require(success, "payment to _relayer did not go thru");
}
}
}