tornadocash/tornado-nova
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cache currentCommitmentIndex

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poma 2021-08-13 18:56:56 +03:00
parent 75419e5cff
commit 476668d250
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GPG Key ID: BA20CB01FE165657
1 changed files with 5 additions and 3 deletions
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8
contracts/TornadoPool.sol
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@ -79,10 +79,12 @@ contract TornadoPool {
require(!isSpent(_args.inputNullifiers[i]), "Input is already spent");
}
require(uint256(_args.extDataHash) == uint256(keccak256(abi.encode(_extData))) % FIELD_SIZE, "Incorrect external data hash");
require(_args.outPathIndices == currentCommitmentIndex >> 1, "Invalid merkle tree insert position");
uint256 cachedCommitmentIndex = currentCommitmentIndex;
require(_args.outPathIndices == cachedCommitmentIndex >> 1, "Invalid merkle tree insert position");
require(verifyProof(_args), "Invalid transaction proof");
currentRoot = _args.newRoot;
currentCommitmentIndex = cachedCommitmentIndex + 2;
for (uint256 i = 0; i < _args.inputNullifiers.length; i++) {
nullifierHashes[_args.inputNullifiers[i]] = true;
}
@ -102,8 +104,8 @@ contract TornadoPool {
_extData.relayer.transfer(_args.fee);
}
emit NewCommitment(_args.outputCommitments[0], currentCommitmentIndex++, _extData.encryptedOutput1);
emit NewCommitment(_args.outputCommitments[1], currentCommitmentIndex++, _extData.encryptedOutput2);
emit NewCommitment(_args.outputCommitments[0], cachedCommitmentIndex, _extData.encryptedOutput1);
emit NewCommitment(_args.outputCommitments[1], cachedCommitmentIndex + 1, _extData.encryptedOutput2);
for (uint256 i = 0; i < _args.inputNullifiers.length; i++) {
emit NewNullifier(_args.inputNullifiers[i]);
}