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split extra constraints back to 2

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poma 2019-08-02 12:24:37 +03:00
parent 67ebbfbcb4
commit 1498c3a739
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1 changed files with 7 additions and 5 deletions
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circuits/withdraw.circom
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@ -51,11 +51,13 @@ template Withdraw(levels, rounds) {
tree.pathIndex[i] <== pathIndex[i]; tree.pathIndex[i] <== pathIndex[i];
} }
// Add hidden signal to make sure that tampering with receiver or fee will invalidate the snark proof // Add hidden signals to make sure that tampering with receiver or fee will invalidate the snark proof
// Most likely it is not required, but it's better to stay on the safe side and it only takes 1 constraint // Most likely it is not required, but it's better to stay on the safe side and it only takes 2 constraints
// Multiplication is used to prevent optimizer from removing this constraint // Squares are used to prevent optimizer from removing those constraints
signal unused; signal receiverSquare;
unused <== receiver * fee; signal feeSquare;
receiverSquare <== receiver * receiver;
feeSquare <== fee * fee;
} }
component main = Withdraw(16, 220); component main = Withdraw(16, 220);