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| 1 | +use std::net::{IpAddr, Ipv4Addr}; |
| 2 | + |
| 3 | +use bdk_kyoto::builder::{LightClientBuilder, ServiceFlags, TrustedPeer}; |
| 4 | +use bdk_kyoto::{LightClient, Log, RequesterExt}; |
| 5 | +use bdk_wallet::bitcoin::Network; |
| 6 | +use bdk_wallet::{KeychainKind, Wallet}; |
| 7 | +use tokio::select; |
| 8 | + |
| 9 | +/// Peer address whitelist |
| 10 | +const PEERS: &[IpAddr] = &[IpAddr::V4(Ipv4Addr::new(23, 137, 57, 100))]; |
| 11 | + |
| 12 | +/* Sync a bdk wallet */ |
| 13 | + |
| 14 | +#[tokio::main] |
| 15 | +async fn main() -> anyhow::Result<()> { |
| 16 | + let desc = "tr([7d94197e/86'/1'/0']tpubDCyQVJj8KzjiQsFjmb3KwECVXPvMwvAxxZGCP9XmWSopmjW3bCV3wD7TgxrUhiGSueDS1MU5X1Vb1YjYcp8jitXc5fXfdC1z68hDDEyKRNr/0/*)"; |
| 17 | + let change_desc = "tr([7d94197e/86'/1'/0']tpubDCyQVJj8KzjiQsFjmb3KwECVXPvMwvAxxZGCP9XmWSopmjW3bCV3wD7TgxrUhiGSueDS1MU5X1Vb1YjYcp8jitXc5fXfdC1z68hDDEyKRNr/1/*)"; |
| 18 | + |
| 19 | + let subscriber = tracing_subscriber::FmtSubscriber::new(); |
| 20 | + tracing::subscriber::set_global_default(subscriber)?; |
| 21 | + |
| 22 | + let peers = PEERS |
| 23 | + .iter() |
| 24 | + .map(|ip| { |
| 25 | + let mut peer = TrustedPeer::from_ip(*ip); |
| 26 | + peer.set_services(ServiceFlags::P2P_V2); |
| 27 | + peer |
| 28 | + }) |
| 29 | + .collect(); |
| 30 | + |
| 31 | + let mut wallet = Wallet::create(desc, change_desc) |
| 32 | + .network(Network::Signet) |
| 33 | + .lookahead(30) |
| 34 | + .create_wallet_no_persist()?; |
| 35 | + |
| 36 | + // The light client builder handles the logic of inserting the SPKs |
| 37 | + let LightClient { |
| 38 | + requester, |
| 39 | + mut log_subscriber, |
| 40 | + mut update_subscriber, |
| 41 | + node, |
| 42 | + } = LightClientBuilder::new() |
| 43 | + .scan_after(170_000) |
| 44 | + .peers(peers) |
| 45 | + .build(&wallet) |
| 46 | + .unwrap(); |
| 47 | + |
| 48 | + tokio::task::spawn(async move { node.run().await }); |
| 49 | + |
| 50 | + // Sync and apply updates. We can do this a continual loop while the "application" is running. |
| 51 | + // Often this would occur on a separate thread than the underlying application user interface. |
| 52 | + loop { |
| 53 | + select! { |
| 54 | + update = update_subscriber.update() => { |
| 55 | + if let Some(update) = update { |
| 56 | + wallet.apply_update(update)?; |
| 57 | + tracing::info!("Tx count: {}", wallet.transactions().count()); |
| 58 | + tracing::info!("Balance: {}", wallet.balance().total().to_sat()); |
| 59 | + let last_revealed = wallet.derivation_index(KeychainKind::External); |
| 60 | + tracing::info!("Last revealed External: {:?}", last_revealed); |
| 61 | + tracing::info!( |
| 62 | + "Last revealed Internal: {:?}", |
| 63 | + wallet.derivation_index(KeychainKind::Internal) |
| 64 | + ); |
| 65 | + tracing::info!("Local chain tip: {}", wallet.local_chain().tip().height()); |
| 66 | + let next = wallet.reveal_next_address(KeychainKind::External).address; |
| 67 | + tracing::info!("Next receiving address: {next}"); |
| 68 | + let fee_filter = requester.broadcast_min_feerate().await.unwrap(); |
| 69 | + tracing::info!( |
| 70 | + "Broadcast minimum fee rate: {}", |
| 71 | + fee_filter |
| 72 | + ); |
| 73 | + requester.add_revealed_scripts(&wallet).await?; |
| 74 | + } |
| 75 | + }, |
| 76 | + log = log_subscriber.next_log() => { |
| 77 | + match log { |
| 78 | + Log::Dialog(d) => { |
| 79 | + tracing::info!("{}", d); |
| 80 | + }, |
| 81 | + Log::Warning(w) => { |
| 82 | + tracing::warn!("{}", w); |
| 83 | + } |
| 84 | + _ => (), |
| 85 | + } |
| 86 | + } |
| 87 | + } |
| 88 | + } |
| 89 | +} |
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