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Make code independent of NodeJS core modules

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Jordi
2019-02-12 12:21:44 +01:00
parent 138945bfdc
commit 2635e8d3c9
5 changed files with 23 additions and 20 deletions
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9
calcpedersenbases/calcpedersenbases.js
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@@ -1,14 +1,15 @@
const bn128 = require("snarkjs").bn128;
const bigInt = require("snarkjs").bigInt;
const createBlakeHash = require("blake-hash");
const assert = require("assert");
const babyJub = require("../src/babyjub");
function getPoint(S) {
const F = bn128.Fr;
const h = createBlakeHash("blake256").update(S).digest();
assert(h.length == 32);
if (h.length != 32) {
throw new Error("Invalid length")
}
let sign = false;
if (h[31] & 0x80) {
@@ -52,7 +53,9 @@ function generatePoint(S) {
p = getPoint(S+"_"+sidx);
idx++;
}
assert(babyJub.inCurve(p), "Point not in curve");
if (!babyJub.inCurve(p)){
throw new Error("Point not in curve");
}
return p;
}