websnark/main.js

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/*
Copyright 2019 0KIMS association.
This file is part of websnark (Web Assembly zkSnark Prover).
websnark is a free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
websnark is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with websnark. If not, see <https://www.gnu.org/licenses/>.
*/
/* globals window */
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const buildGroth16 = require("./src/groth16");
const utils = require("./src/utils");
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buildGroth16().then((groth16) => {
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window.groth16 = groth16;
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window.zkSnarkProofToSolidityInput = utils.toSolidityInput;
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window.genZKSnarkProofAndWitness = function (input, circuitJson, provingKey, cb) {
const p = utils.genWitnessAndProve(groth16, input, circuitJson, provingKey);
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if (cb) {
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p.then((proof) => {
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cb(null, proof);
}, (err) => {
cb(err);
});
} else {
return p;
}
};
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window.genZKSnarkProof = function (witness, provingKey, cb) {
const p = groth16.proof(witness, provingKey);
if (cb) {
p.then((proof) => {
cb(null, proof);
}, (err) => {
cb(err);
});
} else {
return p;
}
};
});