seedpgp-web/src/lib/seedqr.test.ts

// seedqr.test.ts
import { describe, it, expect } from "bun:test";
import { encodeStandardSeedQR, encodeCompactSeedQREntropy } from './seedqr';

describe('SeedQR encoding (SeedSigner test vectors)', () => {
    it('encodes 24-word seed to correct Standard SeedQR digit stream (Test Vector 3)', async () => {
        const mnemonic =
            'sound federal bonus bleak light raise false engage round stock update render quote truck quality fringe palace foot recipe labor glow tortoise potato still';

        const expectedDigitStream =
            '166206750203018810361417065805941507171219081456140818651401074412730727143709940798183613501710';

        const result = await encodeStandardSeedQR(mnemonic);
        expect(result).toBe(expectedDigitStream);
    });

    it('encodes 12-word seed to correct Standard and Compact SeedQR (Test Vector 4)', async () => {
        const mnemonic =
            'forum undo fragile fade shy sign arrest garment culture tube off merit';

        const expectedStandardDigitStream =
            '073318950739065415961602009907670428187212261116';

        const expectedCompactBitStream = '01011011101111011001110101110001101010001110110001111001100100001000001100011010111111110011010110011101010000100110010101000101';

        const standard = await encodeStandardSeedQR(mnemonic);
        expect(standard).toBe(expectedStandardDigitStream);

        const compactEntropy = await encodeCompactSeedQREntropy(mnemonic);
        const bitString = Array.from(compactEntropy)
            .map((byte) => byte.toString(2).padStart(8, '0'))
            .join('');

        expect(bitString).toBe(expectedCompactBitStream);
    });
});