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/*
# withdraw.circom
WARNING: WIP, very initial version of the miksi circuit
-----------+ +----------+
PUB_nullifier+------>+ | | |
| | | |
PUB_coinCode+------->+ | | SMT +<------+PRI_siblings
| Poseidon +------------->+ Poseidon |
PUB_amount+--------->+ | | Verifier |
| | | +<------+PUB_root
PRI_secret+--------->+ | | | +
+----------+ +----------+ |
|
|
+----+ +----+ |
PUB_address+--->+ != +<-------+0+------>+ != +<-------+
+----+ +----+
*/
include "../node_modules/circomlib/circuits/comparators.circom";
include "../node_modules/circomlib/circuits/poseidon.circom";
include "../node_modules/circomlib/circuits/smt/smtverifier.circom";
template Withdraw(nLevels) {
signal input coinCode;
signal input amount;
signal private input secret;
signal input nullifier;
signal private input siblings[nLevels];
signal input root;
signal input address;
signal private input key;
component hash = Poseidon(4, 6, 8, 57);
hash.inputs[0] <== coinCode;
hash.inputs[1] <== amount;
hash.inputs[2] <== secret;
hash.inputs[3] <== nullifier;
component z = IsZero();
z.in <== address;
z.out === 0;
component smtV = SMTVerifier(nLevels);
smtV.enabled <== 1;
smtV.fnc <== 0;
smtV.root <== root;
for (var i=0; i<nLevels; i++) {
smtV.siblings[i] <== siblings[i];
}
smtV.oldKey <== 0;
smtV.oldValue <== 0;
smtV.isOld0 <== 0;
smtV.key <== key;
smtV.value <== hash.out;
}
component main = Withdraw(5);