Added #

• Multi-chain support: 60+ EVM chains supported with a single API key

  • Mainnets: Ethereum, Polygon, Arbitrum, Optimism, Base, BSC, Avalanche, and more
  • Testnets: Sepolia, Holesky, Goerli, and various L2 testnets

• Account Module

  • getBalance - Get native token balance for an address
  • getBalanceMulti - Get balances for multiple addresses (up to 20)
  • getTransactions - Get normal transactions for an address
  • getInternalTransactions - Get internal transactions for an address
  • getTokenTransfers - Get ERC-20 token transfers
  • getNftTransfers - Get ERC-721 NFT transfers

• Contract Module

  • getAbi - Get contract ABI for verified contracts
  • getSourceCode - Get contract source code and metadata

• Gas Module

  • getGasOracle - Get current gas prices (safe, propose, fast)
  • estimateConfirmationTime - Estimate transaction confirmation time

• Stats Module

  • getEthPrice - Get current ETH/USD and ETH/BTC prices
  • getEthSupply - Get total ETH supply

• Transaction Module

  • getStatus - Check transaction execution status
  • getReceiptStatus - Check transaction receipt status

• Logs Module

  • getLogs - Get event logs with topic filtering

• Resilience Features

  • Token bucket rate limiter
  • Circuit breaker pattern with configurable thresholds
  • Exponential backoff retry with jitter
  • In-memory LRU cache with TTL support

• Type Safety

  • Extension types for EthereumAddress, TransactionHash, Wei, BlockNumber
  • Sealed class exception hierarchy for exhaustive error handling
  • Result<T> type for explicit success/failure handling
  • Freezed models with JSON serialization

• Configuration

  • Configurable timeouts, rate limits, and cache settings
  • Easy chain switching with forChain() method