Performance Optimization

import { Connection } from '@solana/web3.js';
 
class ConnectionPool {
  private connections: Connection[] = [];
  private currentIndex = 0;
 
  constructor(rpcUrls: string[], poolSize: number = 5) {
    for (let i = 0; i < poolSize; i++) {
      const url = rpcUrls[i % rpcUrls.length];
      this.connections.push(new Connection(url, 'confirmed'));
    }
  }
 
  getConnection(): Connection {
    const connection = this.connections[this.currentIndex];
    this.currentIndex = (this.currentIndex + 1) % this.connections.length;
    return connection;
  }
}
 
// Usage
const pool = new ConnectionPool([
  'https://rpc1.helius.xyz',
  'https://rpc2.helius.xyz',
  'https://rpc3.helius.xyz',
], 10);
 
const client = new AegisClient({
  connection: pool.getConnection(),
});

class AegisClientPool {
  private clients: Map<string, AegisClient> = new Map();
 
  getClient(vaultAddress: string): AegisClient {
    if (!this.clients.has(vaultAddress)) {
      const client = new AegisClient({...});
      this.clients.set(vaultAddress, client);
    }
 
    return this.clients.get(vaultAddress)!;
  }
}

import NodeCache from 'node-cache';
 
class CachedVaultManager {
  private cache = new NodeCache({ stdTTL: 300 }); // 5 min TTL
 
  async getVault(address: string): Promise<VaultConfig> {
    const cached = this.cache.get<VaultConfig>(address);
    if (cached) return cached;
 
    const vault = await this.client.getVault(address);
    this.cache.set(address, vault);
 
    return vault;
  }
 
  invalidate(address: string) {
    this.cache.del(address);
  }
}

class BalanceCache {
  private cache = new Map<string, { balance: number; timestamp: number }>();
  private ttl = 10000; // 10 seconds
 
  async getBalance(vaultAddress: string): Promise<number> {
    const cached = this.cache.get(vaultAddress);
 
    if (cached && Date.now() - cached.timestamp < this.ttl) {
      return cached.balance;
    }
 
    const balance = await this.client.getVaultBalance(vaultAddress);
 
    this.cache.set(vaultAddress, {
      balance,
      timestamp: Date.now(),
    });
 
    return balance;
  }
}

async function getMultipleVaults(addresses: string[]) {
  const vaults = await Promise.all(
    addresses.map(addr => client.getVault(addr))
  );
 
  return vaults;
}

import pLimit from 'p-limit';
 
class BatchExecutor {
  private limit = pLimit(5); // Max 5 concurrent
 
  async executeBatch(transactions: ExecuteAgentOptions[]) {
    const results = await Promise.allSettled(
      transactions.map(tx =>
        this.limit(() => this.client.executeAgent(tx))
      )
    );
 
    return results.map((result, i) => ({
      transaction: transactions[i],
      status: result.status,
      signature: result.status === 'fulfilled' ? result.value : undefined,
      error: result.status === 'rejected' ? result.reason : undefined,
    }));
  }
}

const client = new AegisClient({
  connection: new Connection(
    'https://your-dedicated-rpc.helius.xyz',
    {
      commitment: 'confirmed',
      confirmTransactionInitialTimeout: 60000,
      wsEndpoint: 'wss://your-dedicated-rpc.helius.xyz',
    }
  ),
});

const getRPCByRegion = () => {
  const region = process.env.AWS_REGION;
 
  const rpcEndpoints = {
    'us-east-1': 'https://us-east.rpc.helius.xyz',
    'eu-west-1': 'https://eu-west.rpc.helius.xyz',
    'ap-southeast-1': 'https://ap-southeast.rpc.helius.xyz',
  };
 
  return rpcEndpoints[region] || rpcEndpoints['us-east-1'];
};

model Transaction {
  id          String   @id @default(uuid())
  vault       String   // Add index
  destination String   // Add index
  timestamp   DateTime @default(now()) // Add index
 
  @@index([vault, timestamp])
  @@index([destination])
}

async function getTransactionHistory(vault: string, cursor?: string, limit = 50) {
  const transactions = await db.transaction.findMany({
    where: {
      vault,
      ...(cursor && { id: { lt: cursor } }),
    },
    take: limit,
    orderBy: { timestamp: 'desc' },
  });
 
  return {
    transactions,
    nextCursor: transactions[transactions.length - 1]?.id,
  };
}

import { Histogram } from 'prom-client';
 
const txDuration = new Histogram({
  name: 'aegis_transaction_duration_seconds',
  help: 'Transaction execution duration',
  buckets: [0.1, 0.5, 1, 2, 5, 10],
});
 
async function executeWithMetrics(params: ExecuteAgentOptions) {
  const timer = txDuration.startTimer();
 
  try {
    const signature = await client.executeAgent(params);
    return signature;
  } finally {
    timer();
  }
}

async function executeWithPerfLog(params: ExecuteAgentOptions) {
  const start = Date.now();
 
  try {
    const signature = await client.executeAgent(params);
 
    logger.info({
      event: 'transaction_executed',
      duration_ms: Date.now() - start,
      vault: params.vault,
      amount: params.amount,
    });
 
    return signature;
  } catch (error) {
    logger.error({
      event: 'transaction_failed',
      duration_ms: Date.now() - start,
      error: error.message,
    });
 
    throw error;
  }
}

// Instance 1
const agent1 = new TradingBot({
  vaultAddress: VAULT_1,
  // ...
});
 
// Instance 2
const agent2 = new TradingBot({
  vaultAddress: VAULT_2,
  // ...
});
 
// Load balancer distributes requests

import Bull from 'bull';
 
const transactionQueue = new Bull('transactions', {
  redis: { host: 'localhost', port: 6379 },
});
 
// Add to queue
transactionQueue.add('execute', {
  vault: vaultAddress,
  destination: recipient,
  amount: 10_000_000,
});
 
// Process queue
transactionQueue.process('execute', async (job) => {
  return await client.executeAgent(job.data);
});