93 lines
2.6 KiB
JavaScript
93 lines
2.6 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
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modify it under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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snarkjs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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snarkjs. If not, see <https://www.gnu.org/licenses/>.
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*/
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const bigInt = require("big-integer");
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module.exports.stringifyBigInts = stringifyBigInts;
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module.exports.unstringifyBigInts = unstringifyBigInts;
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module.exports.hexifyBigInts = hexifyBigInts;
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module.exports.unhexifyBigInts = unhexifyBigInts;
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function stringifyBigInts(o) {
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if ((typeof(o) == "bigint") || (o instanceof bigInt)) {
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return o.toString(10);
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} else if (Array.isArray(o)) {
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return o.map(stringifyBigInts);
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} else if (typeof o == "object") {
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const res = {};
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for (let k in o) {
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res[k] = stringifyBigInts(o[k]);
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}
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return res;
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} else {
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return o;
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}
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}
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function unstringifyBigInts(o) {
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if ((typeof(o) == "string") && (/^[0-9]+$/.test(o) )) {
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return bigInt(o);
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} else if (Array.isArray(o)) {
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return o.map(unstringifyBigInts);
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} else if (typeof o == "object" && !(o instanceof bigInt)) {
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const res = {};
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for (let k in o) {
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res[k] = unstringifyBigInts(o[k]);
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}
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return res;
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} else {
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return o;
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}
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}
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function hexifyBigInts(o) {
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if (typeof (o) === "bigInt" || (o instanceof bigInt)) {
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let str = o.toString(16);
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while (str.length < 64) str = "0" + str;
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str = "0x" + str;
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return str;
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} else if (Array.isArray(o)) {
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return o.map(hexifyBigInts);
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} else if (typeof o == "object") {
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const res = {};
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for (let k in o) {
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res[k] = hexifyBigInts(o[k]);
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}
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return res;
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} else {
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return o;
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}
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}
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function unhexifyBigInts(o) {
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if ((typeof(o) == "string") && (/^0x[0-9a-fA-F]+$/.test(o))) {
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return bigInt(o);
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} else if (Array.isArray(o)) {
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return o.map(unhexifyBigInts);
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} else if (typeof o == "object") {
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const res = {};
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for (let k in o) {
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res[k] = unhexifyBigInts(o[k]);
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}
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return res;
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} else {
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return o;
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}
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}
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