144 lines
3.9 KiB
TypeScript
144 lines
3.9 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { verifyDrawResult, executeDeterministicDrawV1 } from '../src/core/randomizer/deterministic';
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import { computeParticipantsSnapshotHash, computeConditionsHash } from '../src/core/randomizer/canonical';
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import { DEFAULT_FILTER_RULES } from '../src/core/types/giveaway';
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import { FilteredParticipant } from '../src/core/types/participant';
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import { ParticipantSnapshotData } from '../src/core/types/audit';
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describe('Verification API Replay Engine', () => {
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const participants: FilteredParticipant[] = [
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{
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platformUserId: '10',
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firstName: 'Победитель',
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lastName: 'Один',
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source: 'LIKES',
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liked: true,
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commented: false,
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commentsCount: 0,
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reposted: false,
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subscribed: true,
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eligible: true,
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exclusionReason: null,
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},
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{
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platformUserId: '20',
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firstName: 'Победитель',
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lastName: 'Два',
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source: 'LIKES',
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liked: true,
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commented: false,
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commentsCount: 0,
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reposted: false,
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subscribed: true,
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eligible: true,
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exclusionReason: null,
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},
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{
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platformUserId: '30',
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firstName: 'Победитель',
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lastName: 'Три',
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source: 'LIKES',
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liked: true,
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commented: false,
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commentsCount: 0,
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reposted: false,
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subscribed: true,
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eligible: true,
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exclusionReason: null,
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},
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];
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const snapshot: ParticipantSnapshotData = {
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id: 'snap-verif-1',
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giveawayId: 'gw-verif-1',
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version: 1,
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createdAt: '2026-08-17T12:00:00.000Z',
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eligibleParticipants: participants,
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participantCount: 3,
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participantsSnapshotHash: computeParticipantsSnapshotHash(participants),
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conditionsHash: computeConditionsHash(DEFAULT_FILTER_RULES),
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};
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const seed = 'verification-engine-seed';
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it('should return verified: true when claimed winners and proof hash match replay', () => {
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const draw = executeDeterministicDrawV1({
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giveawayId: 'gw-verif-1',
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snapshot,
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totalLoadedCount: 3,
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winnersCount: 1,
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reserveWinnersCount: 1,
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seed,
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});
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const result = verifyDrawResult(
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snapshot,
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seed,
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1,
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1,
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draw.winnerIds,
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draw.deterministicProofHash,
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draw.algorithmVersion
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);
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expect(result.verified).toBe(true);
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expect(result.winnersMatch).toBe(true);
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expect(result.deterministicProofHashMatch).toBe(true);
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expect(result.snapshotHashMatch).toBe(true);
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expect(result.conditionsHashMatch).toBe(true);
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expect(result.expectedWinnerIds).toEqual(draw.winnerIds);
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});
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it('should return verified: false and winnersMatch: false if claimed winners differ', () => {
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const draw = executeDeterministicDrawV1({
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giveawayId: 'gw-verif-1',
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snapshot,
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totalLoadedCount: 3,
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winnersCount: 1,
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reserveWinnersCount: 1,
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seed,
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});
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const fakeWinnerIds = ['9999']; // Tampered winners
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const result = verifyDrawResult(
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snapshot,
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seed,
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1,
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1,
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fakeWinnerIds,
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draw.deterministicProofHash,
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draw.algorithmVersion
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);
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expect(result.verified).toBe(false);
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expect(result.winnersMatch).toBe(false);
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});
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it('should return verified: false if deterministicProofHash was tampered with', () => {
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const draw = executeDeterministicDrawV1({
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giveawayId: 'gw-verif-1',
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snapshot,
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totalLoadedCount: 3,
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winnersCount: 1,
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reserveWinnersCount: 1,
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seed,
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});
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const fakeProofHash = '0000000000000000000000000000000000000000000000000000000000000000';
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const result = verifyDrawResult(
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snapshot,
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seed,
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1,
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1,
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draw.winnerIds,
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fakeProofHash,
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draw.algorithmVersion
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);
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expect(result.verified).toBe(false);
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expect(result.deterministicProofHashMatch).toBe(false);
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expect(result.winnersMatch).toBe(true);
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});
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});
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