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Fixes and tests passed

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This commit is contained in:
Jordi Baylina
2019-12-16 21:37:14 +01:00
parent ec0e7f421b
commit e62c1cdbc3
19 changed files with 956 additions and 314 deletions
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65
src/compiler.js
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@@ -21,7 +21,6 @@ const fs = require("fs");
const path = require("path");
const bigInt = require("big-integer");
const __P__ = new bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
const __MASK__ = new bigInt(2).pow(253).minus(1);
const sONE = 0;
const assert = require("assert");
const buildC = require("./c_build");
@@ -30,6 +29,7 @@ const lc = require("./lcalgebra");
const Ctx = require("./ctx");
const ZqField = require("./zqfield");
const utils = require("./utils");
const buildR1cs = require("./r1csfile").buildR1cs;
module.exports = compile;
@@ -85,6 +85,7 @@ async function compile(srcFile, options) {
// Repeat while reductions are performed
let oldNConstrains = -1;
while (ctx.constraints.length != oldNConstrains) {
console.log("Reducing constraints: "+ctx.constraints.length);
oldNConstrains = ctx.constraints.length;
reduceConstrains(ctx);
}
@@ -105,8 +106,8 @@ async function compile(srcFile, options) {
// const mainCode = gen(ctx,ast);
if (ctx.error) throw(ctx.error);
if (options.r1csWriteStream) {
buildR1cs(ctx, options.r1csWriteStream);
if (options.r1csFileName) {
await buildR1cs(ctx, options.r1csFileName);
}
if (options.symWriteStream) {
@@ -505,63 +506,9 @@ function buildConstraints(ctx) {
return res;
}
function buildR1cs(ctx, strm) {
strm.write(Buffer.from([0x72,0x31,0x63,0x73]));
writeU32(1);
writeU32(4);
writeU32(1 + ctx.totals.output + ctx.totals.pubInput + ctx.totals.prvInput + ctx.totals.internal);
writeU32(ctx.totals.output);
writeU32(ctx.totals.pubInput);
writeU32(ctx.totals.prvInput);
writeU32(ctx.constraints.length);
for (let i=0; i<ctx.constraints.length; i++) {
if ((ctx.verbose)&&(i%10000 == 0)) console.log("writing constraint: ", i);
writeConstraint(ctx.constraints[i]);
}
function writeU32(v) {
const b = Buffer.allocUnsafe(4);
b.writeInt32LE(v);
strm.write(b);
}
function writeConstraint(c) {
writeLC(c.a);
writeLC(c.b);
writeLC(lc.negate(c.c));
}
function writeLC(lc) {
const idxs = Object.keys(lc.values);
writeU32(idxs.length);
for (let s in lc.values) {
let lSignal = ctx.signals[s];
while (lSignal.e >=0 ) lSignal = ctx.signals[lSignal.e];
writeU32(lSignal.id);
writeBigInt(lc.values[s]);
}
}
function writeBigInt(n) {
const bytes = [];
let r = bigInt(n);
while (r.greater(bigInt.zero)) {
bytes.push(r.and(bigInt("255")).toJSNumber());
r = r.shiftRight(8);
}
assert(bytes.length<=32);
assert(bytes.length>0);
strm.write( Buffer.from([bytes.length, ...bytes ]));
}
}
function buildSyms(ctx, strm) {
let nSyms;
addSymbolsComponent(ctx.mainComponent + ".", ctx.getComponentIdx(ctx.mainComponent));
@@ -581,6 +528,8 @@ function buildSyms(ctx, strm) {
let wId = ctx.signals[s].id;
if (typeof(wId) == "undefined") wId=-1;
strm.write(`${offset},${wId},${prefix}\n`);
nSyms ++;
if ((ctx.verbose)&&(nSyms%10000 == 0)) console.log("Symbols saved: "+nSyms);
} else {
addSymbolsComponent(prefix+".", offset);
}