Add a Service module

Cargo.toml

@@ -19,13 +19,14 @@ authors.workspace = true
 repository.workspace = true
 
 [features]
-default = ["ledger", "specter", "coldcard", "bitbox", "jade"]
+default = ["ledger", "specter", "coldcard", "bitbox", "jade", "service"]
 bitbox = ["tokio", "hidapi", "bitbox-api", "regex"]
 coldcard = ["dep:coldcard", "regex"]
 specter = ["tokio", "tokio-serial", "serialport"]
 jade = ["tokio", "tokio-serial", "serde", "serde_bytes", "serde_cbor", "serialport", "reqwest"]
 ledger = ["regex", "tokio", "ledger_bitcoin_client", "ledger-transport-hidapi", "ledger-apdu", "hidapi"]
 regex = ["dep:regex"]
+service = ["bitbox", "coldcard", "jade", "ledger", "specter", "tracing", "hex", "crossbeam"]
 
 [dependencies]
 async-trait = "0.1.52"
@@ -60,5 +61,10 @@ regex = { version = "1.6.0", optional = true }
 # jade & specter & ledger & bitbox
 tokio = { version = "1.21.0", features = ["net", "time", "io-util", "sync", "macros"], optional = true }
 
+# service module (requires all device features)
+tracing = { version = "0.1.37", optional = true }
+hex = { version = "0.4.3", optional = true }
+crossbeam = { version = "0.8.4", features = ["crossbeam-channel"], optional = true }
+
 [dev-dependencies]
 tokio = { version = "1.21", features = ["macros", "net", "rt", "rt-multi-thread", "io-util", "sync"] }

README.md

@@ -50,3 +50,9 @@ A Empty case means the method is unimplemented on the client or device side.
 [^3]: https://github.com/Blockstream/Jade
 [^4]: https://github.com/LedgerHQ/app-bitcoin-new
 [^5]: https://github.com/cryptoadvance/specter-diy
+
+## Service Module
+
+The `service` module provides automatic device discovery and management with support
+for multiple concurrent consumers. See [SERVICE.md](SERVICE.md) for detailed
+documentation and usage examples.