added single-letter aliases for top-level cli commands (issue #229)

README.md

@@ -85,6 +85,30 @@ directly from [crates.io](https://crates.io/crates/bdk-cli) with a command as be
 ```sh
 cargo install bdk-cli --features electrum
 ```
+## Command Aliases
+
+bdk-cli provides short aliases for commonly used commands to improve CLI ergonomics.
+
+### Top-level command aliases
+
+| Command     | Alias |
+|------------|-------|
+| wallet     | W |
+| key        | K |
+| compile    | C |
+| repl       | R |
+| descriptor | D |
+
+### Wallet subcommand aliases
+
+| Command             | Alias |
+|---------------------|-------|
+| new_address         | new_addr |
+| unused_address      | unused_addr |
+| create_tx           | create |
+| bump_fee            | bump |
+| public_descriptor   | pub_desc |
+
 
 ### bdk-cli bin usage examples
 

src/commands.rs

@@ -61,13 +61,15 @@ pub struct CliOpts {
 /// Top level cli sub-commands.
 #[derive(Debug, Subcommand, Clone, PartialEq)]
 #[command(rename_all = "snake")]
+
 pub enum CliSubCommand {
     /// Wallet operations.
     ///
     /// bdk-cli wallet operations includes all the basic wallet level tasks.
     /// Most commands can be used without connecting to any backend. To use commands that
     /// needs backend like `sync` and `broadcast`, compile the binary with specific backend feature
     /// and use the configuration options below to configure for that backend.
+    #[command(alias = "W")]
     Wallet {
         #[command(flatten)]
         wallet_opts: WalletOpts,
@@ -81,13 +83,14 @@ pub enum CliSubCommand {
     ///
     /// These sub-commands are **EXPERIMENTAL** and should only be used for testing. Do not use this
     /// feature to create keys that secure actual funds on the Bitcoin mainnet.
+    #[command(alias = "K")]
     Key {
         #[clap(subcommand)]
         subcommand: KeySubCommand,
     },
     /// Compile a miniscript policy to an output descriptor.
     #[cfg(feature = "compiler")]
-    #[clap(long_about = "Miniscript policy compiler")]
+    #[command(alias = "C", long_about = "Miniscript policy compiler")]
     Compile {
         /// Sets the spending policy to compile.
         #[arg(env = "POLICY", required = true, index = 1)]
@@ -98,6 +101,7 @@ pub enum CliSubCommand {
         script_type: String,
     },
     #[cfg(feature = "repl")]
+    #[command(alias = "R")]
     /// REPL command loop mode.
     ///
     /// REPL command loop can be used to make recurring callbacks to an already loaded wallet.
@@ -110,6 +114,7 @@ pub enum CliSubCommand {
     ///
     /// Generate output descriptors from either extended key (Xprv/Xpub) or mnemonic phrase.
     /// This feature is intended for development and testing purposes only.
+    #[command(alias = "D")]
     Descriptor {
         /// Descriptor type (script type)
         #[arg(
@@ -268,8 +273,10 @@ pub struct CompactFilterOpts {
 #[command(rename_all = "snake")]
 pub enum OfflineWalletSubCommand {
     /// Get a new external address.
+    #[command(alias = "new_addr")]
     NewAddress,
     /// Get the first unused external address.
+    #[command(alias = "unused_addr")]
     UnusedAddress,
     /// Lists the available spendable UTXOs.
     Unspent,
@@ -278,6 +285,7 @@ pub enum OfflineWalletSubCommand {
     /// Returns the current wallet balance.
     Balance,
     /// Creates a new unsigned transaction.
+    #[command(alias = "create")]
     CreateTx {
         /// Adds a recipient to the transaction.
         // Clap Doesn't support complex vector parsing https://github.com/clap-rs/clap/issues/1704.
@@ -326,6 +334,7 @@ pub enum OfflineWalletSubCommand {
         add_data: Option<String>, //base 64 econding
     },
     /// Bumps the fees of an RBF transaction.
+    #[command(alias = "bump")]
     BumpFee {
         /// TXID of the transaction to update.
         #[arg(env = "TXID", long = "txid")]
@@ -354,6 +363,7 @@ pub enum OfflineWalletSubCommand {
     /// Returns the available spending policies for the descriptor.
     Policies,
     /// Returns the public version of the wallet's descriptor(s).
+    #[command(alias = "pub_desc")]
     PublicDescriptor,
     /// Signs and tries to finalize a PSBT.
     Sign {