import { jubjub, findGroupHash } from '../lib/esm/jubjub.js'; import { describe, should } from 'micro-should'; import { deepStrictEqual, throws } from 'assert'; import { hexToBytes, bytesToHex } from '@noble/hashes/utils'; const G_SPEND = new jubjub.ExtendedPoint( 0x055f1f24f0f0512287e51c3c5a0a6903fc0baf8711de9eafd7c0e66f69d8d2dbn, 0x566178b2505fdd52132a5007d80a04652842e78ffb376897588f406278214ed7n, 0x0141fafa1f11088a3b2007c14d652375888f3b37838ba6bdffae096741ceddfen, 0x12eada93c0b7d595f5f04f5ebfb4b7d033ef2884136475cab5e41ce17db5be9cn ); const G_PROOF = new jubjub.ExtendedPoint( 0x0174d54ce9fad258a2f8a86a1deabf15c7a2b51106b0fbcd9d29020f78936f71n, 0x16871d6d877dcd222e4ec3bccb3f37cb1865a2d37dd3a5dcbc032a69b62b4445n, 0x57a3cd31e496d82bd4aa78bd5ecd751cfb76d54a5d3f4560866379f9fc11c9b3n, 0x42cc53f6b519d1f4f52c47ff1256463a616c2c2f49ffe77765481eca04c72081n ); const getXY = (p) => ({ x: p.x, y: p.y }); describe('jubjub', () => { should('toHex/fromHex', () => { // More than field throws(() => jubjub.Point.fromHex( new Uint8Array([ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, ]) ) ); // Multiplicative generator (sqrt == null), not on curve. throws(() => jubjub.Point.fromHex( new Uint8Array([ 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ]) ) ); const tmp = jubjub.Point.fromHex( new Uint8Array([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ]) ); deepStrictEqual(tmp.x, 0x8d51ccce760304d0ec030002760300000001000000000000n); deepStrictEqual(tmp.y, 0n); const S = G_SPEND.toAffine().toRawBytes(); const S2 = G_SPEND.double().toAffine().toRawBytes(); const P = G_PROOF.toAffine().toRawBytes(); const P2 = G_PROOF.double().toAffine().toRawBytes(); const S_exp = jubjub.Point.fromHex(S); const S2_exp = jubjub.Point.fromHex(S2); const P_exp = jubjub.Point.fromHex(P); const P2_exp = jubjub.Point.fromHex(P2); deepStrictEqual(getXY(G_SPEND.toAffine()), getXY(S_exp)); deepStrictEqual(getXY(G_SPEND.double().toAffine()), getXY(S2_exp)); deepStrictEqual(getXY(G_PROOF.toAffine()), getXY(P_exp)); deepStrictEqual(getXY(G_PROOF.double().toAffine()), getXY(P2_exp)); }); should('Find generators', () => { const spend = findGroupHash(new Uint8Array(), new Uint8Array([90, 99, 97, 115, 104, 95, 71, 95])); const proof = findGroupHash(new Uint8Array(), new Uint8Array([90, 99, 97, 115, 104, 95, 72, 95])); deepStrictEqual(getXY(spend.toAffine()), getXY(G_SPEND.toAffine())); deepStrictEqual(getXY(proof.toAffine()), getXY(G_PROOF.toAffine())); }); }); // ESM is broken. import url from 'url'; if (import.meta.url === url.pathToFileURL(process.argv[1]).href) { should.run(); }