rpc-load-balancer

Welcome to rpc-load-balancer 👋

Load Balance RPC Calls between multiple RPC Providers

✨ Demo

Install

yarn add rpc-balancer

Usage

We've used 2 different algorithms to load balance rpc calls, so you can use any algorithm based on your needs, they are

• Round Robin
  • Switch RPC Provider after certain amount of responses
• Dynamic Load Balancing
  • Switch RPC Providers based on certain parameters like avgResponse, connections, responses etc

This package can also cache requests for certain amount of time and retry if request fails, you can configure all these options in the constructor.

• maxConnections - No of max active connections allowed for a RPC
• maxResponses - No of max responses for a connection before switching it out
• maxRetries - No of max retries allowed for a failed request
• cache - Cache Options
  • caching - True or False
  • cacheClear - Duration for cache
  • excludeMethods - JSON RPC methods to be omitted from caching

Round Robin

import { RoundRobin } from "rpc-balancer"
import { ethers } from 'ethers'

const balancer = new RoundRobin({
    maxConnections: 2,
    maxResponses: 2,
    maxRetries: 2,
    cache: {
        caching: true,
        cacheClear: 2000,
        excludeMethods: []
    }
})

await balancer.init(["RPC_LINKS"])

const provider = new ethers.providers.Web3Provider(balancer)

Dynamic Load Balancing

import { RoundRobin } from "rpc-balancer"
import { ethers } from 'ethers'

const balancer = new LoadBalanceRPC({
    maxConnections: 2,
    maxResponses: 2,
    maxRetries: 2,
    cache: {
        caching: true,
        cacheClear: 2000,
        excludeMethods: []
    }
})

await balancer.init(["RPC_LINKS"])

const provider = new ethers.providers.Web3Provider(balancer)

Author

👤 Satyam Kulkarni

• Website: https://satyamkulkarni.xyz
• Twitter: @sk1122_
• Github: @sk1122
• LinkedIn: @satyam-kulkarni

🤝 Contributing

Contributions, issues and feature requests are welcome!
Feel free to check issues page.

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