Add testutils and test-wallet features

Cargo.toml

@@ -62,17 +62,20 @@ rpc = ["bitcoincore-rpc"]
 
 
 # Debug/Test features
+testutils = []
 test-blockchains = ["bitcoincore-rpc", "electrum-client"]
 test-electrum = ["electrum", "electrsd/electrs_0_8_10", "test-blockchains"]
 test-rpc = ["rpc", "electrsd/electrs_0_8_10", "test-blockchains"]
 test-esplora = ["esplora", "electrsd/legacy", "electrsd/esplora_a33e97e1", "test-blockchains"]
 test-md-docs = ["electrum"]
+test-wallet = []
 
 [dev-dependencies]
 lazy_static = "1.4"
 env_logger = "0.7"
 clap = "2.33"
 electrsd = { version= "0.8", features = ["trigger", "bitcoind_0_21_1"] }
+bdk = { path = ".", default-features = false, features = ["testutils", "test-wallet"] }
 
 [[example]]
 name = "address_validator"

src/lib.rs

@@ -262,9 +262,7 @@ pub fn version() -> &'static str {
     env!("CARGO_PKG_VERSION", "unknown")
 }
 
-// We should consider putting this under a feature flag but we need the macro in doctets so we need
-// to wait until https://github.com/rust-lang/rust/issues/67295 is fixed.
-//
+#[cfg(feature = "testutils")]
 // Stuff in here is too rough to document atm
 #[doc(hidden)]
 pub mod testutils;

src/psbt/mod.rs

@@ -43,8 +43,8 @@ impl PsbtUtils for Psbt {
 mod test {
     use crate::bitcoin::TxIn;
     use crate::psbt::Psbt;
-    use crate::wallet::test::{get_funded_wallet, get_test_wpkh};
     use crate::wallet::AddressIndex;
+    use crate::wallet::{get_funded_wallet, test::get_test_wpkh};
     use crate::SignOptions;
     use std::str::FromStr;
 

src/wallet/address_validator.rs

@@ -115,8 +115,8 @@ mod test {
     use std::sync::Arc;
 
     use super::*;
-    use crate::wallet::test::{get_funded_wallet, get_test_wpkh};
     use crate::wallet::AddressIndex::New;
+    use crate::wallet::{get_funded_wallet, test::get_test_wpkh};
 
     #[derive(Debug)]
     struct TestValidator;

src/wallet/mod.rs

@@ -167,6 +167,11 @@ where
             secp,
         })
     }
+
+    /// Get the Bitcoin network the wallet is using.
+    pub fn network(&self) -> Network {
+        self.network
+    }
 }
 
 /// The address index selection strategy to use to derived an address from the wallet's external
@@ -1534,11 +1539,6 @@ where
         &self.client
     }
 
-    /// Get the Bitcoin network the wallet is using.
-    pub fn network(&self) -> Network {
-        self.network
-    }
-
     /// Broadcast a transaction to the network
     #[maybe_async]
     pub fn broadcast(&self, tx: Transaction) -> Result<Txid, Error> {
@@ -1548,21 +1548,73 @@ where
     }
 }
 
-#[cfg(test)]
-pub(crate) mod test {
+#[cfg(feature = "test-wallet")]
+use crate::database::memory::MemoryDatabase;
+
+#[cfg(feature = "test-wallet")]
+#[doc(hidden)]
+/// Return a fake wallet that appears to be funded for testing.
+pub fn get_funded_wallet(
+    descriptor: &str,
+) -> (
+    Wallet<(), MemoryDatabase>,
+    (String, Option<String>),
+    bitcoin::Txid,
+) {
+    use crate::testutils;
     use std::str::FromStr;
 
+    let descriptors = testutils!(@descriptors (descriptor));
+    let wallet = Wallet::new_offline(
+        &descriptors.0,
+        None,
+        Network::Regtest,
+        MemoryDatabase::new(),
+    )
+    .unwrap();
+
+    let funding_address_kix = 0;
+
+    let tx_meta = testutils! {
+            @tx ( (@external descriptors, funding_address_kix) => 50_000 ) (@confirmations 1)
+    };
+
+    wallet
+        .database
+        .borrow_mut()
+        .set_script_pubkey(
+            &bitcoin::Address::from_str(&tx_meta.output.get(0).unwrap().to_address)
+                .unwrap()
+                .script_pubkey(),
+            KeychainKind::External,
+            funding_address_kix,
+        )
+        .unwrap();
+    wallet
+        .database
+        .borrow_mut()
+        .set_last_index(KeychainKind::External, funding_address_kix)
+        .unwrap();
+
+    let txid = crate::populate_test_db!(wallet.database.borrow_mut(), tx_meta, Some(100));
+
+    (wallet, descriptors, txid)
+}
+
+#[cfg(test)]
+pub(crate) mod test {
     use bitcoin::{util::psbt, Network};
 
-    use crate::database::memory::MemoryDatabase;
     use crate::database::Database;
     use crate::types::KeychainKind;
 
     use super::*;
     use crate::signer::{SignOptions, SignerError};
-    use crate::testutils;
     use crate::wallet::AddressIndex::{LastUnused, New, Peek, Reset};
 
+    use crate::testutils;
+    use std::str::FromStr;
+
     #[test]
     fn test_cache_addresses_fixed() {
         let db = MemoryDatabase::new();
@@ -1672,50 +1724,6 @@ pub(crate) mod test {
         "wsh(and_v(v:pk(cVpPVruEDdmutPzisEsYvtST1usBR3ntr8pXSyt6D2YYqXRyPcFW),after(100000)))"
     }
 
-    pub(crate) fn get_funded_wallet(
-        descriptor: &str,
-    ) -> (
-        Wallet<(), MemoryDatabase>,
-        (String, Option<String>),
-        bitcoin::Txid,
-    ) {
-        let descriptors = testutils!(@descriptors (descriptor));
-        let wallet = Wallet::new_offline(
-            &descriptors.0,
-            None,
-            Network::Regtest,
-            MemoryDatabase::new(),
-        )
-        .unwrap();
-
-        let funding_address_kix = 0;
-
-        let tx_meta = testutils! {
-                @tx ( (@external descriptors, funding_address_kix) => 50_000 ) (@confirmations 1)
-        };
-
-        wallet
-            .database
-            .borrow_mut()
-            .set_script_pubkey(
-                &bitcoin::Address::from_str(&tx_meta.output.get(0).unwrap().to_address)
-                    .unwrap()
-                    .script_pubkey(),
-                KeychainKind::External,
-                funding_address_kix,
-            )
-            .unwrap();
-        wallet
-            .database
-            .borrow_mut()
-            .set_last_index(KeychainKind::External, funding_address_kix)
-            .unwrap();
-
-        let txid = crate::populate_test_db!(wallet.database.borrow_mut(), tx_meta, Some(100));
-
-        (wallet, descriptors, txid)
-    }
-
     macro_rules! assert_fee_rate {
         ($tx:expr, $fees:expr, $fee_rate:expr $( ,@dust_change $( $dust_change:expr )* )* $( ,@add_signature $( $add_signature:expr )* )* ) => ({
             let mut tx = $tx.clone();