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Use native big int

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This commit is contained in:
Jordi Baylina
2020-04-18 20:53:13 +02:00
parent f25842f67c
commit 767ca60008
18 changed files with 276 additions and 518 deletions
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23
src/compiler.js
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@@ -17,15 +17,13 @@
along with circom. If not, see <https://www.gnu.org/licenses/>.
*/
const bigInt = require("big-integer");
const __P__ = bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
const Scalar = require("ffjavascript").Scalar;
const sONE = 0;
const build = require("./build");
const BuilderC = require("../ports/c/builder.js");
const BuilderWasm = require("../ports/wasm/builder.js");
const constructionPhase = require("./construction_phase");
const Ctx = require("./ctx");
const ZqField = require("ffjavascript").ZqField;
const utils = require("./utils");
const buildR1cs = require("./r1csfile").buildR1cs;
const BigArray = require("./bigarray");
@@ -34,15 +32,14 @@ const buildSyms = require("./buildsyms");
module.exports = compile;
async function compile(srcFile, options) {
options.p = options.p || __P__;
options.p = options.p || Scalar.fromString("21888242871839275222246405745257275088548364400416034343698204186575808495617");
if (!options) {
options = {};
}
if (typeof options.reduceConstraints === "undefined") {
options.reduceConstraints = true;
}
const ctx = new Ctx();
ctx.field = new ZqField(options.p);
const ctx = new Ctx(options.p);
ctx.verbose= options.verbose || false;
ctx.mainComponent = options.mainComponent || "main";
ctx.newThreadTemplates = options.newThreadTemplates;
@@ -85,7 +82,7 @@ async function compile(srcFile, options) {
}
if (options.cSourceWriteStream) {
ctx.builder = new BuilderC();
ctx.builder = new BuilderC(options.p);
build(ctx);
const rdStream = ctx.builder.build();
rdStream.pipe(options.cSourceWriteStream);
@@ -94,7 +91,7 @@ async function compile(srcFile, options) {
}
if ((options.wasmWriteStream)||(options.watWriteStream)) {
ctx.builder = new BuilderWasm();
ctx.builder = new BuilderWasm(options.p);
build(ctx);
if (options.wasmWriteStream) {
const rdStream = ctx.builder.build("wasm");
@@ -299,11 +296,11 @@ function reduceConstrains(ctx) {
t: "LC",
coefs: {}
};
const invCoef = c.c.coefs[isolatedSignal].modInv(__P__);
const invCoef = ctx.F.inv(c.c.coefs[isolatedSignal]);
for (const s in c.c.coefs) {
if (s != isolatedSignal) {
const v = __P__.minus(c.c.coefs[s]).times(invCoef).mod(__P__);
if (!v.isZero()) {
const v = ctx.F.mul( ctx.F.neg(c.c.coefs[s]), invCoef);
if (!ctx.F.isZero(v)) {
isolatedSignalEquivalence.coefs[s] = v;
}
}
@@ -395,9 +392,9 @@ function reduceConstrains(ctx) {
function isConstant(l) {
for (let k in l.coefs) {
if ((k != sONE) && (!l.coefs[k].isZero())) return false;
if ((k != sONE) && (!ctx.F.isZero(l.coefs[k]))) return false;
}
if (!l.coefs[sONE] || l.coefs[sONE].isZero()) return false;
if (!l.coefs[sONE] || ctx.F.isZero(l.coefs[sONE])) return false;
return true;
}