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Add circuit siblings check

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arnaucube
2020-05-18 21:58:22 +02:00
parent 6a513ded87
commit da7cac076e
5 changed files with 51 additions and 27 deletions
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22
circuits/deposit.circom
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@@ -57,6 +57,24 @@ template Deposit(nLevels) {
// TODO instead of 2 siblings input, get siblingsOld from siblingsNew[len-1]
// check that nLevels-1 siblings match from siblingsOld & siblingsNew
component siblEq[nLevels];
signal count[nLevels];
for (var i=0; i<nLevels; i++) {
siblEq[i] = IsEqual();
siblEq[i].in[0] <== siblingsOld[i];
siblEq[i].in[1] <== siblingsNew[i];
if (i==0) {
count[0] <== siblEq[i].out;
} else {
count[i] <== siblEq[i].out + count[i-1];
}
}
component countCheck = IsEqual();
countCheck.in[0] <== count[nLevels-1];
countCheck.in[1] <== nLevels-1;
countCheck.out === 1;
component smtOld = SMTVerifier(nLevels);
smtOld.enabled <== 1;
smtOld.fnc <== 1;
@@ -64,13 +82,13 @@ template Deposit(nLevels) {
for (var i=0; i<nLevels; i++) {
smtOld.siblings[i] <== siblingsOld[i];
}
/* smtOld.oldKey <== 1; */
/* smtOld.oldKey <== 1; */
smtOld.oldKey <== oldKey;
smtOld.oldValue <== oldValue;
smtOld.isOld0 <== 0;
smtOld.key <== key;
smtOld.value <== hash.out;
component smtNew = SMTVerifier(nLevels);
smtNew.enabled <== 1;
smtNew.fnc <== 0;