50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
/*
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Copyright 2018 0KIMS association.
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This file is part of snarkJS.
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snarkJS is a free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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snarkJS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with snarkJS. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {readR1cs} from "r1csfile";
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export function stringifyBigInts(Fr, o) {
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if (o instanceof Uint8Array) {
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return Fr.toString(o);
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} else if (Array.isArray(o)) {
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return o.map(stringifyBigInts.bind(null, Fr));
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} else if (typeof o == "object") {
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const res = {};
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const keys = Object.keys(o);
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keys.forEach( (k) => {
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res[k] = stringifyBigInts(Fr, o[k]);
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});
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return res;
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} else if ((typeof(o) == "bigint") || o.eq !== undefined) {
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return o.toString(10);
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} else {
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return o;
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}
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}
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export default async function r1csExportJson(r1csFileName, logger) {
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const cir = await readR1cs(r1csFileName, true, true, true, logger);
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const Fr=cir.curve.Fr;
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delete cir.curve;
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return stringifyBigInts(Fr, cir);
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}
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