Harmony Onchain Data API

subscription {
  walletTxs(
    chain_name: HARMONY_MAINNET,
    wallet_addresses: ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"]
  ) {
    block_signed_at
    block_height
    tx_hash
    tx_offset
    successful
    decoded_type
  }
}

import { GoldRushClient, StreamingChain } from "@covalenthq/client-sdk";

const client = new GoldRushClient("<GOLDRUSH_API_KEY>");

client.StreamingService.subscribeToWalletTxs(
  {
    chain_name: StreamingChain.HARMONY_MAINNET,
    wallet_addresses: ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"],
  },
  {
    next: (data) => console.log("Received data:", data),
    error: (error) => console.error("Error:", error),
    complete: () => console.log("Stream completed"),
  }
);