RPC Load Balancer — DeFi Router

Contract Details

Categorytooling

Files21

Price$9.99

Tech Stack

TypeScript Python undici httpx asyncio

Chains

Ethereum Arbitrum Base Optimism Polygon

Description

Multi-provider RPC management with automatic failover, rate limiting, latency-based routing, and health monitoring. Supports Alchemy, Infura, QuickNode, Ankr, and public RPCs. TypeScript library + Python wrapper.

Features

✓ 3 routing strategies: round-robin, least-latency, weighted-random
✓ Automatic failover on provider errors
✓ Circuit breaker (closed → open → half-open)
✓ Token bucket rate limiting per provider
✓ Health monitoring: latency P50/P95/P99, error rate, uptime
✓ EMA-based latency tracking
✓ Python async wrapper with same strategy support
✓ 5 pre-configured providers in default config

rpc-load-balancer.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @title RPC Load Balancer
/// @notice Multi-provider RPC management with failover and rate limiting.
contract RpcLoadBalancer {
    address public immutable owner;
    uint256 public constant VERSION = 1;

    event Initialized(address indexed deployer);

    constructor() {
        owner = msg.sender;
        emit Initialized(msg.sender);
    }

    // ... full implementation in purchased package
}