@jayanth-kumar-morem/snarkjs-to-solana/dist/index.browser.js

A comprehensive toolkit for converting snarkjs artifacts to Solana-compatible formats. This package provides both CLI tools and programmatic APIs for converting zero-knowledge proofs and verification keys from snarkjs to formats that work with Solana's gr

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
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        return ownKeys(o);
    };
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        if (mod && mod.__esModule) return mod;
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        __setModuleDefault(result, mod);
        return result;
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSolanaCompatibleProof = getSolanaCompatibleProof;
// @ts-ignore
const ff = __importStar(require("ffjavascript"));
let convert_proof;
const initWebModule = async () => {
    try {
        const wasmModule = await Promise.resolve().then(() => __importStar(require("../proof_utils/pkg/web/proof_utils.js")));
        convert_proof = wasmModule.convert_proof;
    }
    catch (error) {
        throw new Error("Failed to load web WASM module: " + error);
    }
};
const g1Uncompressed = (curve, p1Raw) => {
    const p1 = curve.G1.fromObject(p1Raw);
    let buff = new Uint8Array(64);
    curve.G1.toRprUncompressed(buff, 0, p1);
    return Buffer.from(buff);
};
const g2Uncompressed = (curve, p2Raw) => {
    const p2 = curve.G2.fromObject(p2Raw);
    let buff = new Uint8Array(128);
    curve.G2.toRprUncompressed(buff, 0, p2);
    return Buffer.from(buff);
};
const toHex64Padded = (val) => BigInt(val).toString(16).padStart(64, "0");
const to32ByteBuffer = (val) => Buffer.from(toHex64Padded(val), "hex");
async function getSolanaCompatibleProof(proof, publicSignals) {
    if (!convert_proof) {
        await initWebModule();
    }
    const curve = await ff.buildBn128();
    const proofProc = await ff.utils.unstringifyBigInts(proof);
    let proofA = g1Uncompressed(curve, proofProc.pi_a);
    // @ts-ignore
    proofA = convert_proof(proofA);
    const proofB = g2Uncompressed(curve, proofProc.pi_b);
    const proofC = g1Uncompressed(curve, proofProc.pi_c);
    return {
        proofA,
        proofB,
        proofC,
        publicSignals: publicSignals.map((x) => to32ByteBuffer(BigInt(x))),
    };
}
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