Photon Indexer

let proof = rpc
    .get_validity_proof(
        vec![account_hash],  // Account hashes to prove
        vec![],              // New addresses (if creating)
        None                 // Optional config
    )
    .await?;

use light_client::{
    rpc::{LightClient, LightClientConfig},
    indexer::{Indexer, IndexerRpcConfig},
};

// Connect to Photon (API key in URL)
let mut rpc = LightClient::new(LightClientConfig::new(
    "https://devnet.helius-rpc.com".to_string(),
    Some("https://photon.helius.com?api-key=YOUR_KEY".to_string()),
)).await?;

// Query compressed accounts
let accounts = rpc
    .get_compressed_accounts_by_owner(&owner, None, None)
    .await?;

┌─────────────────┐
│  Solana Nodes   │
│   (RPC + WS)    │
└────────┬────────┘
         │
         │ Stream transactions
         │
         ▼
┌─────────────────┐
│     Photon      │
│    Indexer      │
├─────────────────┤
│ • Parse txs     │
│ • Index state   │
│ • Track trees   │
│ • Generate      │
│   proofs        │
└────────┬────────┘
         │
         │ RPC queries
         │
         ▼
┌─────────────────┐
│  Your Client    │
│  (light-client) │
└─────────────────┘

# Install Light CLI
npm install -g @lightprotocol/zk-compression-cli

# Start validator with Photon
light test-validator

use light_client::local_test_validator::{
    spawn_validator,
    LightValidatorConfig,
};

#[tokio::test]
async fn test_with_photon() {
    let config = LightValidatorConfig {
        enable_indexer: true,
        enable_prover: true,
        wait_time: 75,
        ..Default::default()
    };
    
    spawn_validator(config).await;
    
    // Photon now available at http://localhost:8784
}