tornadocash/tornado-trees
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poma 2021-02-10 11:14:33 +03:00
parent e209000550
commit 5912a5c030
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GPG Key ID: BA20CB01FE165657
1 changed files with 3 additions and 3 deletions
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contracts/TornadoTrees.sol
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@ -116,7 +116,7 @@ contract TornadoTrees is EnsResolve {
// Find the segment with correct array length // Find the segment with correct array length
bool direction = elementExists(_tornadoTreesV1, _type, _from); bool direction = elementExists(_tornadoTreesV1, _type, _from);
do { do {
_from = direction ? _from + _step : _from - _step; // safe math? _from = direction ? _from + _step : _from - _step;
} while (direction == elementExists(_tornadoTreesV1, _type, _from)); } while (direction == elementExists(_tornadoTreesV1, _type, _from));
uint256 high = direction ? _from : _from + _step; uint256 high = direction ? _from : _from + _step;
uint256 low = direction ? _from - _step : _from; uint256 low = direction ? _from - _step : _from;
@ -129,7 +129,7 @@ contract TornadoTrees is EnsResolve {
} else { } else {
high = mid; high = mid;
} }
mid = (high + low) / 2; mid = (low + high) / 2;
} }
return mid + 1; return mid + 1;
} }
@ -139,7 +139,7 @@ contract TornadoTrees is EnsResolve {
string memory _type, string memory _type,
uint256 index uint256 index
) public view returns (bool success) { ) public view returns (bool success) {
// Try to get the element. If it succeeds array the length is higher, it it reverts the length is equal or lower // Try to get the element. If it succeeds the array length is higher, it it reverts the length is equal or lower
(success, ) = address(_tornadoTreesV1).staticcall{ gas: 2500 }(abi.encodeWithSignature(_type, index)); (success, ) = address(_tornadoTreesV1).staticcall{ gas: 2500 }(abi.encodeWithSignature(_type, index));
} }