useProver

import { useProver } from "@succinctlabs/react-native-zcam1/proving";
 
function ProveButton() {
  const { provingClient, isInitializing, error } = useProver();
 
  if (isInitializing) return <Text>Loading...</Text>;
  if (error) return <Text>Error: {error.message}</Text>;
 
  // Use provingClient...
}

type ProverContextValue = {
  provingClient: ProvingClient | null;  // The proving client instance
  provingTasks: ProvingTasksState;      // Active proof requests
  provingTasksCount: number;            // Number of active requests
  isInitializing: boolean;              // Whether proving client is initializing
  error: unknown;                       // Any initialization error
}
 
type ProvingTasksState = Record<string, ProvingTask>;
 
type ProvingTask = {
  photoPath: string;
  createdAtMs: number;
}

import { useState } from "react";
import { Button, Text, ActivityIndicator } from "react-native";
import { useProver } from "@succinctlabs/react-native-zcam1/proving";
import { launchImageLibrary } from "react-native-image-picker";
 
function ProveScreen() {
  const { provingClient, isInitializing, provingTasksCount } = useProver();
  const [result, setResult] = useState<string>();
 
  const handleProve = async () => {
    if (!provingClient) return;
 
    const response = await launchImageLibrary({ mediaType: "photo" });
    const uri = response.assets?.[0]?.uri;
    if (!uri) return;
 
    try {
      const provenPath = await provingClient.waitAndEmbedProof(uri);
      setResult(`Proven: ${provenPath}`);
    } catch (error: any) {
      setResult(`Error: ${error.message}`);
    }
  };
 
  if (isInitializing) {
    return <ActivityIndicator />;
  }
 
  return (
    <>
      <Button title="Prove Photo" onPress={handleProve} />
      {provingTasksCount > 0 && (
        <Text>{provingTasksCount} proofs in progress...</Text>
      )}
      {result && <Text>{result}</Text>}
    </>
  );
}