Claim Staking Rewards

import { useCosmosClient } from "./useCosmosClient";
import { coins } from "@cosmjs/stargate";
import { MsgWithdrawDelegatorReward } from "cosmjs-types/cosmos/distribution/v1beta1/tx";

function ClaimRewards() {
  const { signingClient } = useCosmosClient("https://rpc.cosmos.network");

  const claimStakingRewards = async () => {
    if (!signingClient) return;

    const accounts = await signingClient.signer.getAccounts();
    const delegator = accounts[0].address;
    const validator = "cosmosvaloper1..."; // Replace with your validator
    
    const msgWithdrawReward = {
      typeUrl: "/cosmos.distribution.v1beta1.MsgWithdrawDelegatorReward",
      value: MsgWithdrawDelegatorReward.fromPartial({
        delegatorAddress: delegator,
        validatorAddress: validator,
      }),
    };

    const fee = {
      amount: coins(5000, "uatom"),
      gas: "200000",
    };

    try {
      const result = await signingClient.signAndBroadcast(
        delegator,
        [msgWithdrawReward],
        fee,
        "Claiming rewards via Para"
      );
      
      console.log("Rewards claimed:", result.transactionHash);
      console.log("Gas used:", result.gasUsed);
    } catch (error) {
      console.error("Failed to claim rewards:", error);
    }
  };

  return (
    <button onClick={claimStakingRewards}>Claim Rewards</button>
  );
}