Send Tokens with Cosmos Libraries

import { View, Text, Button } from 'react-native';
import { useParaCosmos } from './hooks/useParaCosmos';
import { SigningStargateClient, coins } from '@cosmjs/stargate';

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

function TokenTransfer() {
  const { protoSigner, address, isLoading } = useParaCosmos();

  const sendTokens = async () => {
    if (!protoSigner || !address) return;

    const recipient = 'cosmos1...';
    const amount = coins(1000000, 'uatom');

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

    try {
      const client = await SigningStargateClient.connectWithSigner(RPC_URL, protoSigner);

      const result = await client.sendTokens(
        address,
        recipient,
        amount,
        fee,
        'Sent via Para'
      );

      console.log('Transaction hash:', result.transactionHash);
      console.log('Gas used:', result.gasUsed);
    } catch (error) {
      console.error('Transfer failed:', error);
    }
  };

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

  return (
    <View>
      <Text>From: {address}</Text>
      <Button title="Send 1 ATOM" onPress={sendTokens} />
    </View>
  );
}