Query Validator Information

import { useState } from "react";
import { useParaCosmjsProtoSigner } from "@getpara/react-sdk/cosmos";
import { StargateClient, setupStakingExtension, QueryClient } from "@cosmjs/stargate";
import { Tendermint37Client } from "@cosmjs/tendermint-rpc";

const RPC_URL = "https://rpc.cosmos.directory/cosmoshub";

interface ValidatorInfo {
  name: string;
  operatorAddress: string;
  tokens: string;
  commission: string;
}

function ValidatorInfo() {
  const { protoSigner, isLoading } = useParaCosmjsProtoSigner();
  const [validators, setValidators] = useState<ValidatorInfo[]>([]);

  const address = protoSigner?.address;

  const queryValidators = async () => {
    const tmClient = await Tendermint37Client.connect(RPC_URL);
    const queryClient = QueryClient.withExtensions(tmClient, setupStakingExtension);

    try {
      const { validators: activeValidators } = await queryClient.staking.validators("BOND_STATUS_BONDED");

      const validatorInfo = activeValidators.slice(0, 10).map(validator => ({
        name: validator.description?.moniker || "Unknown",
        operatorAddress: validator.operatorAddress,
        tokens: validator.tokens,
        commission: validator.commission?.commissionRates?.rate || "0",
      }));

      setValidators(validatorInfo);

      if (address) {
        const delegations = await queryClient.staking.delegatorDelegations(address);
        console.log("Your delegations:", delegations);
      }
    } catch (error) {
      console.error("Failed to query validators:", error);
    }
  };

  if (isLoading) return <div>Loading...</div>;

  return (
    <div>
      <p>Address: {address}</p>
      <button onClick={queryValidators}>Query Top Validators</button>
      {validators.map(v => (
        <div key={v.operatorAddress}>
          {v.name} - Commission: {v.commission}
        </div>
      ))}
    </div>
  );
}