Makes our Wallet generic over the backing wallet db

Cargo.toml

@@ -10,6 +10,10 @@ edition = "2021"
 [lib]
 crate-type = ["cdylib", "rlib"]
 
+[[example]]
+name = "simple-sync"
+path = "examples/simple-sync.rs"
+
 [profile.release]
 # Tell `rustc` to optimize for small code size.
 opt-level = 3
@@ -24,7 +28,7 @@ default = ["native"]
 
 wasm = ["console_error_panic_hook", "dep:tracing-web"]
 native = ["dep:tokio", "tonic/channel", "tonic/gzip", "tonic/tls-webpki-roots"]
-
+sqlite-db = ["dep:zcash_client_sqlite"]
 console_error_panic_hook = ["dep:console_error_panic_hook"]
 
 [dependencies]
@@ -54,7 +58,8 @@ tonic = { version = "0.12", default-features = false, features = [
 ] }
 
 # Used in Native tests
-tokio = { version = "1.0", features = ["rt", "macros"], optional = true }
+tokio = { version = "1.0", features = ["rt", "macros", "rt-multi-thread"], optional = true }
+zcash_client_sqlite  = { git = "https://github.com/ChainSafe/librustzcash", rev = "a77e8a0204dab421fdbf5822e585716339567b96", default-features = false, features = ["unstable", "orchard"], optional = true }
 
 getrandom = { version = "0.2", features = ["js"] }
 thiserror = "1.0.63"
@@ -68,10 +73,11 @@ nonempty = "0.7"
 hex = "0.4.3"
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 tracing = "0.1.40"
-
+subtle = "2.6.1"
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.42"
+tempfile = "3.12"
 
 [patch.crates-io]
 zip32 = { git = "https://github.com/zcash/zip32.git", branch = "diversifier_index_ord"}

examples/simple-sync.rs

@@ -0,0 +1,82 @@
+use std::sync::Once;
+
+use std::num::NonZeroU32;
+use webz_core::Wallet;
+use zcash_address::ZcashAddress;
+use zcash_primitives::consensus::Network;
+
+const SEED: &str = "visit armed kite pen cradle toward reward clay marble oil write dove blind oyster silk oyster original message skate bench tone enable stadium element";
+const HD_INDEX: u32 = 0;
+const BIRTHDAY: Option<u32> = Some(2577329);
+
+static INIT: Once = Once::new();
+pub fn initialize() {
+    INIT.call_once(|| {
+        webz_core::init::start();
+    });
+}
+
+#[cfg(feature = "native")]
+#[tokio::main]
+async fn main() {
+    let db_cache = tempfile::tempdir().unwrap();
+    let _db_data = tempfile::NamedTempFile::new_in(db_cache.path()).unwrap();
+
+    initialize();
+    let url = "https://testnet.zec.rocks:443";
+    let c = tonic::transport::Channel::from_shared(url).unwrap();
+
+    let tls = tonic::transport::ClientTlsConfig::new()
+        .domain_name("testnet.zec.rocks")
+        .with_webpki_roots();
+    let channel = c.tls_config(tls).unwrap();
+
+    #[cfg(feature = "sqlite-db")]
+    let wallet_db = {
+        use zcash_client_sqlite::{
+            chain::init::init_blockmeta_db, wallet::init::init_wallet_db, FsBlockDb, WalletDb,
+        };
+
+        let mut db_cache = FsBlockDb::for_path(&db_cache).unwrap();
+        let mut wallet_db = WalletDb::for_path(&_db_data, Network::TestNetwork).unwrap();
+        init_blockmeta_db(&mut db_cache).unwrap();
+        init_wallet_db(&mut wallet_db, None).unwrap();
+        wallet_db
+    };
+
+    #[cfg(not(feature = "sqlite-db"))]
+    let wallet_db =
+        zcash_client_memory::MemoryWalletDb::new(Network::TestNetwork, webz_core::PRUNING_DEPTH);
+
+    let mut w = Wallet::new(
+        wallet_db,
+        channel.connect().await.unwrap(),
+        Network::TestNetwork,
+        NonZeroU32::try_from(1).unwrap(),
+    )
+    .unwrap();
+
+    let id = w.create_account(SEED, HD_INDEX, BIRTHDAY).await.unwrap();
+    tracing::info!("Created account with id: {}", id);
+
+    tracing::info!("Syncing wallet");
+    w.sync(|scanned_to, tip| {
+        println!("Scanned: {}/{}", scanned_to, tip);
+    })
+    .await
+    .unwrap();
+
+    tracing::info!("Syncing complete :)");
+
+    let summary = w.get_wallet_summary().unwrap();
+    tracing::info!("Wallet summary: {:?}", summary);
+
+    tracing::info!("Proposing a transaction");
+    let addr = ZcashAddress::try_from_encoded("utest1z00xn09t4eyeqw9zmjss75sf460423dymgyfjn8rtlj26cffy0yad3eea82xekk24s00wnm38cvyrm2c6x7fxlc0ns4a5j7utgl6lchvglfvl9g9p56fqwzvzvj9d3z6r6ft88j654d7dj0ep6myq5duz9s8x78fdzmtx04d2qn8ydkxr4lfdhlkx9ktrw98gd97dateegrr68vl8xu");
+
+    w.transfer(SEED, 0, addr.unwrap(), 1000).await.unwrap();
+    tracing::info!("Transaction proposed");
+
+    let summary = w.get_wallet_summary().unwrap();
+    tracing::info!("Wallet summary: {:?}", summary);
+}