fix(esplora): use saturating_add in update_tx_graph()

.github/workflows/cont_integration.yml

@@ -35,10 +35,13 @@ jobs:
           cargo update -p rustls:0.21.7 --precise "0.21.1"
           cargo update -p rustls:0.20.9 --precise "0.20.8"
           cargo update -p tokio:1.32.0 --precise "1.29.1"
+          cargo update -p tokio-util --precise "0.7.8"
           cargo update -p flate2:1.0.27 --precise "1.0.26"
           cargo update -p reqwest --precise "0.11.18"
           cargo update -p h2 --precise "0.3.20"
-          cargo update -p rustls-webpki --precise "0.100.1"
+          cargo update -p rustls-webpki:0.100.3 --precise "0.100.1"
+          cargo update -p rustls-webpki:0.101.6 --precise "0.101.1"
+          cargo update -p zip:0.6.6 --precise "0.6.2"
       - name: Build
         run: cargo build ${{ matrix.features }}
       - name: Test

Cargo.toml

@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
     "crates/bdk",
     "crates/chain",

README.md

@@ -75,14 +75,20 @@ cargo update -p rustls:0.21.7 --precise "0.21.1"
 cargo update -p rustls:0.20.9 --precise "0.20.8"
 # tokio 1.30 has MSRV 1.63.0+
 cargo update -p tokio:1.32.0 --precise "1.29.1"
+# tokio-util 0.7.9 doesn't build with MSRV 1.57.0
+cargo update -p tokio-util --precise "0.7.8"
 # flate2 1.0.27 has MSRV 1.63.0+
 cargo update -p flate2:1.0.27 --precise "1.0.26"
 # reqwest 0.11.19 has MSRV 1.63.0+
 cargo update -p reqwest --precise "0.11.18"
 # h2 0.3.21 has MSRV 1.63.0+
 cargo update -p h2 --precise "0.3.20"
-# rustls-webpki has MSRV 1.60.0+
-cargo update -p rustls-webpki --precise "0.100.1"
+# rustls-webpki 0.100.2 has MSRV 1.60.0+
+cargo update -p rustls-webpki:0.100.3 --precise "0.100.1"
+# rustls-webpki 0.101.2 has MSRV 1.60.0+
+cargo update -p rustls-webpki:0.101.6 --precise "0.101.1"
+# zip 0.6.3 has MSRV 1.59.0+
+cargo update -p zip:0.6.6 --precise "0.6.2"
 ```
 
 ## License

crates/esplora/Cargo.toml

@@ -21,6 +21,10 @@ futures = { version = "0.3.26", optional = true }
 bitcoin = { version = "0.30.0", optional = true, default-features = false }
 miniscript = { version = "10.0.0", optional = true, default-features = false }
 
+[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies]
+electrsd = { version= "0.25.0", features = ["bitcoind_25_0", "esplora_a33e97e1", "legacy"] }
+tokio = { version = "1", features = ["rt", "rt-multi-thread", "macros"] }
+
 [features]
 default = ["std", "async-https", "blocking"]
 std = ["bdk_chain/std"]

crates/esplora/src/async_ext.rs

@@ -21,8 +21,8 @@ use crate::{anchor_from_status, ASSUME_FINAL_DEPTH};
 pub trait EsploraAsyncExt {
     /// Prepare an [`LocalChain`] update with blocks fetched from Esplora.
     ///
-    /// * `prev_tip` is the previous tip of [`LocalChain::tip`].
-    /// * `get_heights` is the block heights that we are interested in fetching from Esplora.
+    /// * `local_tip` is the previous tip of [`LocalChain::tip`].
+    /// * `request_heights` is the block heights that we are interested in fetching from Esplora.
     ///
     /// The result of this method can be applied to [`LocalChain::apply_update`].
     ///
@@ -261,7 +261,7 @@ impl EsploraAsyncExt for esplora_client::AsyncClient {
                     }
                 }
 
-                if last_index > last_active_index.map(|i| i + stop_gap as u32) {
+                if last_index > last_active_index.map(|i| i.saturating_add(stop_gap as u32)) {
                     break;
                 }
             }

crates/esplora/src/blocking_ext.rs

@@ -252,7 +252,7 @@ impl EsploraExt for esplora_client::BlockingClient {
                     }
                 }
 
-                if last_index > last_active_index.map(|i| i + stop_gap as u32) {
+                if last_index > last_active_index.map(|i| i.saturating_add(stop_gap as u32)) {
                     break;
                 }
             }

crates/esplora/tests/async_ext.rs

@@ -0,0 +1,117 @@
+use bdk_esplora::EsploraAsyncExt;
+use electrsd::bitcoind::bitcoincore_rpc::RpcApi;
+use electrsd::bitcoind::{self, anyhow, BitcoinD};
+use electrsd::{Conf, ElectrsD};
+use esplora_client::{self, AsyncClient, Builder};
+use std::str::FromStr;
+use std::thread::sleep;
+use std::time::Duration;
+
+use bdk_chain::bitcoin::{Address, Amount, BlockHash, Txid};
+
+struct TestEnv {
+    bitcoind: BitcoinD,
+    #[allow(dead_code)]
+    electrsd: ElectrsD,
+    client: AsyncClient,
+}
+
+impl TestEnv {
+    fn new() -> Result<Self, anyhow::Error> {
+        let bitcoind_exe =
+            bitcoind::downloaded_exe_path().expect("bitcoind version feature must be enabled");
+        let bitcoind = BitcoinD::new(bitcoind_exe).unwrap();
+
+        let mut electrs_conf = Conf::default();
+        electrs_conf.http_enabled = true;
+        let electrs_exe =
+            electrsd::downloaded_exe_path().expect("electrs version feature must be enabled");
+        let electrsd = ElectrsD::with_conf(electrs_exe, &bitcoind, &electrs_conf)?;
+
+        let base_url = format!("http://{}", &electrsd.esplora_url.clone().unwrap());
+        let client = Builder::new(base_url.as_str()).build_async()?;
+
+        Ok(Self {
+            bitcoind,
+            electrsd,
+            client,
+        })
+    }
+
+    fn mine_blocks(
+        &self,
+        count: usize,
+        address: Option<Address>,
+    ) -> anyhow::Result<Vec<BlockHash>> {
+        let coinbase_address = match address {
+            Some(address) => address,
+            None => self
+                .bitcoind
+                .client
+                .get_new_address(None, None)?
+                .assume_checked(),
+        };
+        let block_hashes = self
+            .bitcoind
+            .client
+            .generate_to_address(count as _, &coinbase_address)?;
+        Ok(block_hashes)
+    }
+}
+
+#[tokio::test]
+pub async fn test_update_tx_graph_without_keychain() -> anyhow::Result<()> {
+    let env = TestEnv::new()?;
+    let receive_address0 =
+        Address::from_str("bcrt1qc6fweuf4xjvz4x3gx3t9e0fh4hvqyu2qw4wvxm")?.assume_checked();
+    let receive_address1 =
+        Address::from_str("bcrt1qfjg5lv3dvc9az8patec8fjddrs4aqtauadnagr")?.assume_checked();
+
+    let misc_spks = [
+        receive_address0.script_pubkey(),
+        receive_address1.script_pubkey(),
+    ];
+
+    let _block_hashes = env.mine_blocks(101, None)?;
+    let txid1 = env.bitcoind.client.send_to_address(
+        &receive_address1,
+        Amount::from_sat(10000),
+        None,
+        None,
+        None,
+        None,
+        Some(1),
+        None,
+    )?;
+    let txid2 = env.bitcoind.client.send_to_address(
+        &receive_address0,
+        Amount::from_sat(20000),
+        None,
+        None,
+        None,
+        None,
+        Some(1),
+        None,
+    )?;
+    let _block_hashes = env.mine_blocks(1, None)?;
+    while env.client.get_height().await.unwrap() < 102 {
+        sleep(Duration::from_millis(10))
+    }
+
+    let graph_update = env
+        .client
+        .scan_txs(
+            misc_spks.into_iter(),
+            vec![].into_iter(),
+            vec![].into_iter(),
+            1,
+        )
+        .await?;
+
+    let mut graph_update_txids: Vec<Txid> = graph_update.full_txs().map(|tx| tx.txid).collect();
+    graph_update_txids.sort();
+    let mut expected_txids = vec![txid1, txid2];
+    expected_txids.sort();
+    assert_eq!(graph_update_txids, expected_txids);
+    Ok(())
+}

crates/esplora/tests/blocking_ext.rs

@@ -0,0 +1,114 @@
+use bdk_esplora::EsploraExt;
+use electrsd::bitcoind::bitcoincore_rpc::RpcApi;
+use electrsd::bitcoind::{self, anyhow, BitcoinD};
+use electrsd::{Conf, ElectrsD};
+use esplora_client::{self, BlockingClient, Builder};
+use std::str::FromStr;
+use std::thread::sleep;
+use std::time::Duration;
+
+use bdk_chain::bitcoin::{Address, Amount, BlockHash, Txid};
+
+struct TestEnv {
+    bitcoind: BitcoinD,
+    #[allow(dead_code)]
+    electrsd: ElectrsD,
+    client: BlockingClient,
+}
+
+impl TestEnv {
+    fn new() -> Result<Self, anyhow::Error> {
+        let bitcoind_exe =
+            bitcoind::downloaded_exe_path().expect("bitcoind version feature must be enabled");
+        let bitcoind = BitcoinD::new(bitcoind_exe).unwrap();
+
+        let mut electrs_conf = Conf::default();
+        electrs_conf.http_enabled = true;
+        let electrs_exe =
+            electrsd::downloaded_exe_path().expect("electrs version feature must be enabled");
+        let electrsd = ElectrsD::with_conf(electrs_exe, &bitcoind, &electrs_conf)?;
+
+        let base_url = format!("http://{}", &electrsd.esplora_url.clone().unwrap());
+        let client = Builder::new(base_url.as_str()).build_blocking()?;
+
+        Ok(Self {
+            bitcoind,
+            electrsd,
+            client,
+        })
+    }
+
+    fn mine_blocks(
+        &self,
+        count: usize,
+        address: Option<Address>,
+    ) -> anyhow::Result<Vec<BlockHash>> {
+        let coinbase_address = match address {
+            Some(address) => address,
+            None => self
+                .bitcoind
+                .client
+                .get_new_address(None, None)?
+                .assume_checked(),
+        };
+        let block_hashes = self
+            .bitcoind
+            .client
+            .generate_to_address(count as _, &coinbase_address)?;
+        Ok(block_hashes)
+    }
+}
+
+#[test]
+pub fn test_update_tx_graph_without_keychain() -> anyhow::Result<()> {
+    let env = TestEnv::new()?;
+    let receive_address0 =
+        Address::from_str("bcrt1qc6fweuf4xjvz4x3gx3t9e0fh4hvqyu2qw4wvxm")?.assume_checked();
+    let receive_address1 =
+        Address::from_str("bcrt1qfjg5lv3dvc9az8patec8fjddrs4aqtauadnagr")?.assume_checked();
+
+    let misc_spks = [
+        receive_address0.script_pubkey(),
+        receive_address1.script_pubkey(),
+    ];
+
+    let _block_hashes = env.mine_blocks(101, None)?;
+    let txid1 = env.bitcoind.client.send_to_address(
+        &receive_address1,
+        Amount::from_sat(10000),
+        None,
+        None,
+        None,
+        None,
+        Some(1),
+        None,
+    )?;
+    let txid2 = env.bitcoind.client.send_to_address(
+        &receive_address0,
+        Amount::from_sat(20000),
+        None,
+        None,
+        None,
+        None,
+        Some(1),
+        None,
+    )?;
+    let _block_hashes = env.mine_blocks(1, None)?;
+    while env.client.get_height().unwrap() < 102 {
+        sleep(Duration::from_millis(10))
+    }
+
+    let graph_update = env.client.scan_txs(
+        misc_spks.into_iter(),
+        vec![].into_iter(),
+        vec![].into_iter(),
+        1,
+    )?;
+
+    let mut graph_update_txids: Vec<Txid> = graph_update.full_txs().map(|tx| tx.txid).collect();
+    graph_update_txids.sort();
+    let mut expected_txids = vec![txid1, txid2];
+    expected_txids.sort();
+    assert_eq!(graph_update_txids, expected_txids);
+    Ok(())
+}