Sign Messages with Para

import { useSignMessage, useWallet } from "@getpara/react-native-wallet";
import { View, Button, Alert } from "react-native";

export default function SignMessageExample() {
  const { signMessageAsync, isPending } = useSignMessage();
  const { data: wallet } = useWallet();

  const handleSign = async () => {
    if (!wallet) return;

    const message = "Hello, Para!";
    const messageBase64 = btoa(message);

    try {
      const result = await signMessageAsync({
        walletId: wallet.id,
        messageBase64,
      });
      Alert.alert("Signature", `0x${result.signature}`);
    } catch (err) {
      console.error("Failed to sign:", err);
    }
  };

  return (
    <View>
      <Button title={isPending ? "Signing..." : "Sign Message"} onPress={handleSign} disabled={isPending} />
    </View>
  );
}