// Domain Events pour GitBook + T4G Integration
interface DomainEvent {
eventId: string;
aggregateId: string;
eventType: string;
eventData: Record<string, any>;
timestamp: Date;
version: number;
}
// Command Query Responsibility Segregation
class GitBookCommunityArchitecture {
private eventStore: EventStore;
private commandBus: CommandBus;
private queryBus: QueryBus;
private eventBus: EventBus;
// Commands - Write operations
async handleContentContribution(command: CreateContentCommand) {
const events: DomainEvent[] = [
new ContentCreatedEvent(command.pageId, command.userId, command.content),
new T4GRewardCalculatedEvent(command.userId, await this.calculateReward(command))
];
await this.eventStore.saveEvents(command.aggregateId, events);
await this.eventBus.publishEvents(events);
}
// Queries - Read operations optimized
async getContributorStats(userId: string): Promise<ContributorStatsProjection> {
return await this.queryBus.send(new GetContributorStatsQuery(userId));
}
// Event Sourcing for audit trail
async replayUserContributions(userId: string): Promise<UserContributionHistory> {
const events = await this.eventStore.getEventsByAggregateId(userId);
return UserContributionAggregate.fromEvents(events);
}
}// Multi-tenant architecture pour différentes communautés
interface TenantContext {
tenantId: string;
domain: string; // lightning, hardware, defi, etc.
configuration: TenantConfiguration;
gitbookSpaceId: string;
t4gContractAddress: string;
}
class TenantAwareGitBookService {
private tenantResolver: TenantResolver;
private tenantContexts: Map<string, TenantContext> = new Map();
async executeInTenantContext<T>(
tenantId: string,
operation: (context: TenantContext) => Promise<T>
): Promise<T> {
const context = await this.resolveTenantContext(tenantId);
// Set up tenant-specific configurations
const gitbookClient = new GitBookClient({
apiToken: context.configuration.gitbook.apiToken,
spaceId: context.gitbookSpaceId
});
const t4gEngine = new T4GEngine({
contractAddress: context.t4gContractAddress,
rewardRules: context.configuration.rewards
});
return await operation({
...context,
services: { gitbook: gitbookClient, t4g: t4gEngine }
});
}
// Tenant-specific reward calculation
async calculateTenantReward(
tenantId: string,
contribution: Contribution
): Promise<RewardCalculation> {
return await this.executeInTenantContext(tenantId, async (ctx) => {
const calculator = new TenantRewardCalculator(ctx.configuration.rewards);
return calculator.calculate(contribution, {
domain_multiplier: ctx.configuration.domain_multipliers,
community_size: await this.getCommunitySize(tenantId),
economic_context: await this.getEconomicContext(ctx.domain)
});
});
}
}// Epic for handling complex GitBook + T4G workflows
const contributionWorkflowEpic: Epic<Action, Action, RootState> = (action$, state$) =>
action$.pipe(
ofType(CONTRIBUTION_SUBMITTED),
mergeMap(action => {
const contribution = action.payload;
return from([
// Parallel processing
this.gitbookService.createPage(contribution),
this.t4gService.calculateReward(contribution),
this.communityService.notifyReviewers(contribution)
]).pipe(
// Combine results
combineLatestWith(
(page, reward, reviewers) => ({
page, reward, reviewers, contribution
})
),
// Handle success/failure scenarios
mergeMap(result => of(
contributionProcessed(result),
rewardDistributed(result.reward),
reviewersNotified(result.reviewers)
)),
catchError(error => of(
contributionFailed(error),
errorReported(error)
))
);
})
);
// Advanced state normalization
interface NormalizedState {
contributions: {
byId: Record<string, Contribution>;
allIds: string[];
byDomain: Record<string, string[]>;
byStatus: Record<ContributionStatus, string[]>;
};
users: {
byId: Record<string, User>;
allIds: string[];
byReputation: Record<ReputationLevel, string[]>;
};
rewards: {
byId: Record<string, Reward>;
allIds: string[];
byUser: Record<string, string[]>;
pending: string[];
};
}// Apache Kafka integration for event streaming
class EventStreamingService {
private kafka: Kafka;
private producer: Producer;
private consumer: Consumer;
async setupEventStreaming() {
this.kafka = new Kafka({
clientId: 'daznode-community',
brokers: ['kafka-cluster:9092']
});
// Producer for GitBook events
this.producer = this.kafka.producer();
await this.producer.connect();
// Consumer for T4G distribution events
this.consumer = this.kafka.consumer({ groupId: 't4g-distributor' });
await this.consumer.connect();
await this.consumer.subscribe({ topic: 'gitbook-contributions' });
}
// Stream processing pipeline
async processContributionStream() {
await this.consumer.run({
eachMessage: async ({ topic, partition, message }) => {
const contribution = JSON.parse(message.value.toString());
// Parallel processing pipeline
await Promise.all([
this.analyzeContentQuality(contribution),
this.calculateCommunityImpact(contribution),
this.validateTechnicalAccuracy(contribution),
this.assessLightningNetworkRelevance(contribution)
]).then(async ([quality, impact, accuracy, relevance]) => {
const reward = await this.calculateAdvancedReward({
contribution,
quality,
impact,
accuracy,
relevance
});
// Emit reward event
await this.producer.send({
topic: 't4g-rewards',
messages: [{
key: contribution.userId,
value: JSON.stringify(reward)
}]
});
});
}
});
}
}// Multi-layer caching avec invalidation intelligente
class AdvancedCacheManager {
private l1Cache: Map<string, any> = new Map(); // In-memory
private l2Cache: RedisClient; // Distributed
private l3Cache: CDNClient; // Edge locations
async get<T>(key: string, options: CacheOptions = {}): Promise<T | null> {
// L1: Memory cache (fastest)
if (this.l1Cache.has(key) && !this.isExpired(key, options.ttl)) {
return this.l1Cache.get(key);
}
// L2: Redis cache (fast)
const l2Value = await this.l2Cache.get(key);
if (l2Value) {
this.l1Cache.set(key, JSON.parse(l2Value));
return JSON.parse(l2Value);
}
// L3: CDN cache (for static content)
if (options.useL3) {
const l3Value = await this.l3Cache.get(key);
if (l3Value) {
await this.l2Cache.setex(key, options.ttl || 300, l3Value);
this.l1Cache.set(key, JSON.parse(l3Value));
return JSON.parse(l3Value);
}
}
return null;
}
// Intelligent cache invalidation
async invalidatePattern(pattern: string): Promise<void> {
const tasks = [];
// Invalidate L1
for (const [key] of this.l1Cache) {
if (this.matchesPattern(key, pattern)) {
this.l1Cache.delete(key);
}
}
// Invalidate L2
tasks.push(this.l2Cache.eval(`
local keys = redis.call('keys', ARGV[1])
for i=1,#keys,5000 do
redis.call('del', unpack(keys, i, math.min(i+4999, #keys)))
end
`, 0, pattern));
// Invalidate L3
if (this.l3Cache) {
tasks.push(this.l3Cache.purgeByTags([this.extractTagFromPattern(pattern)]));
}
await Promise.all(tasks);
}
// Smart prefetching based on usage patterns
async prefetchUserData(userId: string): Promise<void> {
const prefetchKeys = [
`user:${userId}:profile`,
`user:${userId}:contributions`,
`user:${userId}:rewards`,
`user:${userId}:reputation`
];
const prefetchTasks = prefetchKeys.map(async (key) => {
const cached = await this.get(key);
if (!cached) {
const data = await this.dataService.fetch(key);
await this.set(key, data, { ttl: 600 });
}
});
await Promise.all(prefetchTasks);
}
}// Optimized database access patterns
class DatabaseOptimizationService {
private writeDB: Pool; // Primary database
private readReplicas: Pool[]; // Read replicas
private loadBalancer: LoadBalancer;
constructor() {
this.setupConnectionPools();
this.setupReadReplicaLoadBalancing();
}
// Intelligent query routing
async executeQuery<T>(
query: string,
params: any[],
options: QueryOptions = {}
): Promise<T> {
const isReadQuery = this.isReadOnlyQuery(query);
if (isReadQuery && !options.forceWrite) {
// Route to read replica
const replica = this.loadBalancer.selectReplica({
preferenceType: options.replicaPreference || 'least_connections',
region: options.preferredRegion
});
return await this.executeWithRetry(replica, query, params);
}
// Route to primary for writes
return await this.writeDB.query(query, params);
}
// Optimized pagination avec cursor-based approach
async getPaginatedContributions(
cursor: string | null,
limit: number = 50,
filters: ContributionFilters = {}
): Promise<PaginatedResult<Contribution>> {
const query = `
SELECT c.*, u.username, u.reputation_score
FROM contributions c
JOIN users u ON c.user_id = u.id
WHERE ($1::text IS NULL OR c.id > $1)
${this.buildFilterClause(filters)}
ORDER BY c.created_at DESC, c.id DESC
LIMIT $2
`;
const results = await this.executeQuery(query, [cursor, limit + 1]);
const hasNextPage = results.length > limit;
const items = hasNextPage ? results.slice(0, -1) : results;
const nextCursor = hasNextPage ? items[items.length - 1].id : null;
return {
items,
hasNextPage,
nextCursor
};
}
// Batch operations optimization
async batchInsertContributions(contributions: Contribution[]): Promise<void> {
const batchSize = 1000;
const batches = this.chunkArray(contributions, batchSize);
await Promise.all(batches.map(async (batch) => {
const values = batch.map(c =>
`('${c.id}', '${c.userId}', '${c.content}', '${c.type}', NOW())`
).join(',');
const query = `
INSERT INTO contributions (id, user_id, content, type, created_at)
VALUES ${values}
ON CONFLICT (id) DO NOTHING
`;
await this.executeQuery(query, []);
}));
}
}// Optimized WebSocket implementation
class OptimizedWebSocketService {
private io: Server;
private connectionPool: Map<string, Socket> = new Map();
private roomManager: RoomManager;
private rateLimiter: RateLimiter;
constructor() {
this.setupSocketIO();
this.setupRateLimiting();
this.setupConnectionPooling();
}
private setupSocketIO(): void {
this.io = new Server(server, {
cors: { origin: "*" },
transports: ['websocket', 'polling'],
pingTimeout: 60000,
pingInterval: 25000,
maxHttpBufferSize: 1e6,
// Performance optimizations
compression: true,
httpCompression: true,
perMessageDeflate: {
threshold: 1024,
concurrencyLimit: 10,
memLevel: 7
}
});
}
// Optimized room management
async joinContributionRoom(userId: string, contributionId: string): Promise<void> {
const socket = this.connectionPool.get(userId);
if (!socket) return;
const roomId = `contribution:${contributionId}`;
// Check rate limits
const allowed = await this.rateLimiter.check(userId, 'room_join', {
max: 10,
windowMs: 60000
});
if (!allowed) {
socket.emit('error', { type: 'RATE_LIMIT_EXCEEDED' });
return;
}
await socket.join(roomId);
// Send initial room state
const roomState = await this.getRoomState(contributionId);
socket.emit('room_state', roomState);
// Track room membership for cleanup
await this.roomManager.addUserToRoom(userId, roomId);
}
// Batch real-time updates
private batchUpdates = new Map<string, any[]>();
async queueRoomUpdate(roomId: string, update: any): Promise<void> {
if (!this.batchUpdates.has(roomId)) {
this.batchUpdates.set(roomId, []);
// Flush batch after 50ms
setTimeout(() => {
this.flushBatchUpdates(roomId);
}, 50);
}
this.batchUpdates.get(roomId)!.push(update);
}
private async flushBatchUpdates(roomId: string): Promise<void> {
const updates = this.batchUpdates.get(roomId);
if (!updates || updates.length === 0) return;
// Merge similar updates
const mergedUpdates = this.mergeUpdates(updates);
// Emit to room
this.io.to(roomId).emit('batch_updates', mergedUpdates);
// Clear batch
this.batchUpdates.delete(roomId);
}
}// Zero-trust security implementation
class ZeroTrustSecurityService {
private jwtService: JWTService;
private permissionEngine: PermissionEngine;
private auditLogger: AuditLogger;
private threatDetector: ThreatDetector;
async validateRequest(req: Request): Promise<SecurityContext> {
// Multi-factor authentication check
const authResult = await this.validateAuthentication(req);
if (!authResult.valid) {
throw new UnauthorizedException('Invalid authentication');
}
// Device fingerprinting
const deviceFingerprint = this.generateDeviceFingerprint(req);
const deviceTrust = await this.assessDeviceTrust(deviceFingerprint);
// Behavioral analysis
const behaviorPattern = await this.analyzeBehaviorPattern(
authResult.userId,
req
);
// Risk assessment
const riskScore = this.calculateRiskScore({
authResult,
deviceTrust,
behaviorPattern,
requestContext: req
});
// Adaptive security measures
if (riskScore > 0.8) {
await this.triggerAdditionalVerification(authResult.userId);
}
return {
userId: authResult.userId,
permissions: await this.getContextualPermissions(
authResult.userId,
riskScore
),
riskScore,
sessionId: authResult.sessionId
};
}
// Content security validation
async validateContentSecurity(
content: string,
userId: string
): Promise<ContentSecurityResult> {
const checks = await Promise.all([
this.scanForMaliciousContent(content),
this.checkPrivacyLeaks(content, userId),
this.validateContentIntegrity(content),
this.assessSocialEngineeringRisk(content)
]);
const overallRisk = this.aggregateSecurityRisks(checks);
if (overallRisk.level === 'HIGH') {
await this.quarantineContent(content, userId, overallRisk.reasons);
}
return overallRisk;
}
// Advanced threat detection
async detectSuspiciousActivity(
userId: string,
activity: UserActivity
): Promise<ThreatAssessment> {
const patterns = await Promise.all([
this.detectAnomalousPatterns(userId, activity),
this.checkBotBehavior(activity),
this.analyzeSocialGraphAnomalies(userId),
this.detectCoordinatedInauthentic Behavior(activity)
]);
const threatLevel = this.calculateThreatLevel(patterns);
if (threatLevel > 0.7) {
await this.triggerSecurityIncident({
userId,
activity,
threatLevel,
patterns
});
}
return {
threatLevel,
patterns,
recommendedActions: this.getSecurityRecommendations(threatLevel)
};
}
}// GDPR compliant data handling
class PrivacyComplianceService {
private encryptionService: EncryptionService;
private dataRetentionManager: DataRetentionManager;
private consentManager: ConsentManager;
// Personal data encryption at rest
async encryptPersonalData<T extends PersonalData>(
data: T,
userId: string
): Promise<EncryptedData<T>> {
const userKey = await this.getUserEncryptionKey(userId);
const encrypted = await this.encryptionService.encrypt(data, userKey);
return {
encryptedData: encrypted.data,
keyId: encrypted.keyId,
algorithm: encrypted.algorithm,
metadata: {
dataType: data.constructor.name,
encryptedAt: new Date(),
userId
}
};
}
// Right to be forgotten implementation
async processDataDeletionRequest(userId: string): Promise<DeletionReport> {
const deletionTasks = [];
// 1. Anonymize contributions
deletionTasks.push(this.anonymizeContributions(userId));
// 2. Remove personal identifiers
deletionTasks.push(this.removePII(userId));
// 3. Clear caches
deletionTasks.push(this.clearUserCaches(userId));
// 4. Notify third parties
deletionTasks.push(this.notifyThirdPartyServices(userId));
// 5. Update blockchain records (pseudonymize)
deletionTasks.push(this.pseudonymizeBlockchainRecords(userId));
const results = await Promise.allSettled(deletionTasks);
return {
userId,
completedAt: new Date(),
tasks: results.map((result, index) => ({
task: this.getTaskName(index),
status: result.status,
error: result.status === 'rejected' ? result.reason : null
}))
};
}
// Data portability (Right to data portability)
async exportUserData(userId: string): Promise<UserDataExport> {
const exportData = await Promise.all([
this.exportProfile(userId),
this.exportContributions(userId),
this.exportRewards(userId),
this.exportActivityLogs(userId),
this.exportPreferences(userId)
]);
// Decrypt personal data for export
const decryptedData = await this.decryptUserData(exportData, userId);
return {
userId,
exportedAt: new Date(),
format: 'JSON',
data: decryptedData,
checksum: this.calculateChecksum(decryptedData)
};
}
// Consent management
async updateConsent(
userId: string,
consentType: ConsentType,
granted: boolean
): Promise<void> {
await this.consentManager.updateConsent(userId, consentType, granted);
// Apply consent changes immediately
if (!granted) {
await this.applyConsentWithdrawal(userId, consentType);
}
// Log consent change
await this.auditLogger.log({
event: 'CONSENT_UPDATED',
userId,
consentType,
granted,
timestamp: new Date()
});
}
}// Secure T4G token distribution
class SecureT4GService {
private contractInterface: Contract;
private keyManager: HSMKeyManager;
private transactionValidator: TransactionValidator;
// Secure transaction signing avec HSM
async distributeRewards(
recipients: RewardDistribution[]
): Promise<TransactionResult> {
// Validate recipients
const validationResults = await Promise.all(
recipients.map(r => this.validateRecipient(r))
);
if (validationResults.some(v => !v.valid)) {
throw new ValidationException('Invalid recipients detected');
}
// Batch transactions for gas optimization
const batches = this.createOptimalBatches(recipients);
const results = [];
for (const batch of batches) {
// Generate transaction
const tx = await this.contractInterface.populateTransaction
.batchDistribute(
batch.map(r => r.address),
batch.map(r => r.amount)
);
// Secure signing with HSM
const signature = await this.keyManager.sign(tx.data!);
tx.signature = signature;
// Multi-signature validation
const msigValidation = await this.validateMultiSignature(tx);
if (!msigValidation.valid) {
throw new SecurityException('Multi-signature validation failed');
}
// Submit transaction
const result = await this.submitSecureTransaction(tx);
results.push(result);
// Monitor transaction
this.monitorTransaction(result.hash);
}
return {
transactions: results,
totalRecipients: recipients.length,
totalAmount: recipients.reduce((sum, r) => sum + r.amount, 0)
};
}
// Advanced fraud detection
async detectFraudulentActivity(
userId: string,
rewardClaim: RewardClaim
): Promise<FraudAssessment> {
const checks = await Promise.all([
this.checkSybilAttack(userId),
this.validateContributionAuthenticity(rewardClaim.contributionId),
this.analyzeRewardVelocity(userId),
this.crossReferenceBlockchainActivity(userId)
]);
const fraudScore = this.calculateFraudScore(checks);
if (fraudScore > 0.8) {
await this.flagForManualReview(userId, rewardClaim, fraudScore);
}
return {
fraudScore,
checks,
recommendedAction: this.getRecommendedAction(fraudScore)
};
}
}// Advanced observability implementation
class ObservabilityService {
private tracer: Tracer;
private meter: Meter;
private logger: Logger;
constructor() {
this.setupOpenTelemetry();
this.setupCustomMetrics();
this.setupDistributedTracing();
}
// Distributed tracing for GitBook workflows
async traceContributionWorkflow(
contributionId: string,
operation: () => Promise<any>
): Promise<any> {
return this.tracer.startActiveSpan(
'contribution.workflow',
{
attributes: {
'contribution.id': contributionId,
'service.name': 'daznode-community',
'service.version': process.env.APP_VERSION
}
},
async (span) => {
try {
// Child spans for detailed tracking
const result = await this.executeWithTracing(operation, {
'contribution.validate': () => this.validateContribution(contributionId),
'gitbook.create_page': () => this.createGitBookPage(contributionId),
't4g.calculate_reward': () => this.calculateReward(contributionId),
't4g.distribute_reward': () => this.distributeReward(contributionId)
});
span.setStatus({ code: SpanStatusCode.OK });
return result;
} catch (error) {
span.setStatus({
code: SpanStatusCode.ERROR,
message: error.message
});
throw error;
} finally {
span.end();
}
}
);
}
// Custom business metrics
private setupCustomMetrics(): void {
this.contributionCounter = this.meter.createCounter('contributions_total', {
description: 'Total number of contributions by domain'
});
this.rewardDistributionGauge = this.meter.createGauge('t4g_rewards_distributed', {
description: 'Total T4G rewards distributed'
});
this.userEngagementHistogram = this.meter.createHistogram('user_engagement_duration', {
description: 'Time users spend on platform',
unit: 'seconds'
});
this.contributionQualityHistogram = this.meter.createHistogram('contribution_quality_score', {
description: 'Quality score distribution of contributions'
});
}
// Performance monitoring
async monitorSystemHealth(): Promise<HealthStatus> {
const healthChecks = await Promise.allSettled([
this.checkDatabaseHealth(),
this.checkGitBookAPIHealth(),
this.checkBlockchainConnectivity(),
this.checkCacheHealth(),
this.checkWebSocketHealth()
]);
const overallHealth = this.calculateOverallHealth(healthChecks);
// Emit metrics
this.meter.createGauge('system_health_score')
.set(overallHealth.score, {
environment: process.env.NODE_ENV
});
if (overallHealth.score < 0.8) {
await this.triggerHealthAlert(overallHealth);
}
return overallHealth;
}
}// Intelligent alerting system
class IntelligentAlertingService {
private alertManager: AlertManager;
private incidentManager: IncidentManager;
private mlPredictor: MLPredictor;
// Anomaly detection avec Machine Learning
async detectAnomalies(metrics: SystemMetrics): Promise<AnomalyReport> {
const predictions = await Promise.all([
this.mlPredictor.predictTrafficAnomaly(metrics.traffic),
this.mlPredictor.predictPerformanceAnomaly(metrics.performance),
this.mlPredictor.predictSecurityAnomaly(metrics.security),
this.mlPredictor.predictBusinessAnomaly(metrics.business)
]);
const anomalies = predictions.filter(p => p.anomalyScore > 0.7);
if (anomalies.length > 0) {
const incident = await this.incidentManager.createIncident({
type: 'ANOMALY_DETECTED',
severity: this.calculateSeverity(anomalies),
anomalies,
detectedAt: new Date()
});
await this.alertManager.triggerAlert({
incident,
channels: this.selectAlertChannels(incident.severity)
});
}
return {
anomalies,
confidence: this.calculateConfidence(predictions),
recommendedActions: this.getRecommendedActions(anomalies)
};
}
// Auto-healing mechanisms
async attemptAutoHealing(incident: Incident): Promise<HealingResult> {
const healingStrategies = this.getHealingStrategies(incident.type);
const results = [];
for (const strategy of healingStrategies) {
try {
const result = await this.executeHealingStrategy(strategy, incident);
results.push(result);
if (result.success) {
await this.incidentManager.resolveIncident(
incident.id,
`Auto-healed using strategy: ${strategy.name}`
);
break;
}
} catch (error) {
results.push({
strategy: strategy.name,
success: false,
error: error.message
});
}
}
return {
incident,
healingAttempts: results,
resolved: results.some(r => r.success)
};
}
// Predictive maintenance
async performPredictiveMaintenance(): Promise<MaintenanceReport> {
const predictions = await Promise.all([
this.predictDatabaseMaintenanceNeeds(),
this.predictCacheEvictionPatterns(),
this.predictScalingRequirements(),
this.predictSecurityPatching()
]);
const maintenanceTasks = predictions
.filter(p => p.confidence > 0.8)
.map(p => ({
task: p.task,
priority: p.priority,
estimatedExecutionTime: p.estimatedTime,
riskLevel: p.riskLevel
}));
// Schedule non-disruptive tasks
const scheduledTasks = await this.scheduleMaintenanceTasks(maintenanceTasks);
return {
predictions,
scheduledTasks,
estimatedDowntime: this.calculateEstimatedDowntime(scheduledTasks)
};
}
}<function_calls> [{"id": "1", "content": "Analyser l'expertise requise pour la migration GitBook", "status": "completed", "priority": "high"}, {"id": "2", "content": "D\u00e9finir les patterns architecturaux avanc\u00e9s", "status": "completed", "priority": "high"}, {"id": "3", "content": "Sp\u00e9cifier les optimisations de performance critiques", "status": "completed", "priority": "high"}, {"id": "4", "content": "D\u00e9tailler les strat\u00e9gies de s\u00e9curit\u00e9 et compliance", "status": "completed", "priority": "high"}, {"id": "5", "content": "D\u00e9finir les m\u00e9triques de monitoring et observabilit\u00e9", "status": "completed", "priority": "medium"}]