@solarity/zkit
Version:
Circom zero knowledge kit
72 lines • 3 kB
JavaScript
;
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var __importDefault = (this && this.__importDefault) || function (mod) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Groth16Implementer = void 0;
const fs_1 = __importDefault(require("fs"));
const snarkjs = __importStar(require("snarkjs"));
const AbstractImplementer_1 = require("./AbstractImplementer");
const utils_1 = require("../../utils");
class Groth16Implementer extends AbstractImplementer_1.AbstractProtocolImplementer {
async generateProof(zKeyFilePath, witnessFilePath) {
const proof = await snarkjs.groth16.prove(zKeyFilePath, witnessFilePath);
await (0, utils_1.terminateCurve)();
return proof;
}
async verifyProof(proof, vKeyFilePath) {
const verifier = JSON.parse(fs_1.default.readFileSync(vKeyFilePath).toString());
const proofVerification = await snarkjs.groth16.verify(verifier, proof.publicSignals, proof.proof);
await (0, utils_1.terminateCurve)();
return proofVerification;
}
async generateCalldata(proof) {
const calldataRawArray = JSON.parse(`[${await snarkjs.groth16.exportSolidityCallData(proof.proof, proof.publicSignals)}]`);
return {
proofPoints: {
a: calldataRawArray[0],
b: calldataRawArray[1],
c: calldataRawArray[2],
},
publicSignals: calldataRawArray[3],
};
}
getProvingSystemType() {
return "groth16";
}
}
exports.Groth16Implementer = Groth16Implementer;
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