Add wallet identify subcommand

src/subcommand/wallet.rs

@@ -2,6 +2,7 @@ use super::*;
 
 mod balance;
 mod fund;
+mod identify;
 mod init;
 mod utxos;
 
@@ -57,6 +58,7 @@ fn get_wallet(options: Options) -> Result<bdk::wallet::Wallet<SqliteDatabase>> {
 pub(crate) enum Wallet {
   Balance,
   Fund,
+  Identify,
   Init,
   Utxos,
 }
@@ -66,6 +68,7 @@ impl Wallet {
     match self {
       Self::Balance => balance::run(options),
       Self::Fund => fund::run(options),
+      Self::Identify => identify::run(options),
       Self::Init => init::run(options),
       Self::Utxos => utxos::run(options),
     }

src/subcommand/wallet/identify.rs

@@ -0,0 +1,19 @@
+use super::*;
+
+pub(crate) fn run(options: Options) -> Result {
+  let index = Index::index(&options)?;
+
+  let ranges = get_wallet(options)?
+    .list_unspent()?
+    .iter()
+    .map(|utxo| index.list(utxo.outpoint))
+    .collect::<Result<Vec<Option<Vec<(u64, u64)>>>, _>>()?;
+
+  for range in ranges.into_iter().flatten() {
+    for (start, end) in range {
+      println!("[{}, {})", start, end);
+    }
+  }
+
+  Ok(())
+}

tests/wallet.rs

@@ -184,3 +184,40 @@ fn balance() {
     .expected_stdout("5000000000\n")
     .run()
 }
+
+#[test]
+fn identify() {
+  let state = Test::new()
+    .command("--network regtest wallet init")
+    .expected_status(0)
+    .expected_stderr("Wallet initialized.\n")
+    .output()
+    .state;
+
+  let output = Test::with_state(state)
+    .command("--network regtest wallet fund")
+    .stdout_regex("^bcrt1.*\n")
+    .output();
+
+  output
+    .state
+    .client
+    .generate_to_address(
+      101,
+      &Address::from_str(
+        output
+          .stdout
+          .strip_suffix('\n')
+          .ok_or("Failed to strip suffix")
+          .unwrap(),
+      )
+      .unwrap(),
+    )
+    .unwrap();
+
+  Test::with_state(output.state)
+    .command("--network regtest wallet identify")
+    .expected_status(0)
+    .expected_stdout("[5000000000, 10000000000)\n")
+    .run()
+}