Update cli to new sc-cli API

Cargo.toml

@@ -6,7 +6,6 @@ path = "src/main.rs"
 name = "polkadot"
 version = "0.7.29-pre1"
 authors = ["Parity Technologies <admin@parity.io>"]
-build = "build.rs"
 edition = "2018"
 
 [dependencies]
@@ -15,9 +14,6 @@ futures = "0.3.4"
 service = { package = "polkadot-service", path = "service" }
 parity-util-mem = { version = "*", default-features = false, features = ["jemalloc-global"] }
 
-[build-dependencies]
-vergen = "3.0.4"
-
 [dev-dependencies]
 assert_cmd = "0.12"
 nix = "0.17"

cli/Cargo.toml

@@ -2,7 +2,7 @@
 name = "polkadot-cli"
 version = "0.7.29-pre1"
 authors = ["Parity Technologies <admin@parity.io>"]
-description = "Polkadot node implementation in Rust."
+description = "Polkadot Relay-chain Client Node"
 edition = "2018"
 
 [package.metadata.wasm-pack.profile.release]
@@ -29,18 +29,23 @@ service = { package = "polkadot-service", path = "../service", default-features
 tokio = { version = "0.2.13", features = ["rt-threaded"], optional = true }
 frame-benchmarking-cli = { git = "https://github.com/paritytech/substrate", branch = "master", optional = true }
 sc-cli = { git = "https://github.com/paritytech/substrate", branch = "master", optional = true }
+sc-service = { git = "https://github.com/paritytech/substrate", branch = "master", optional = true }
 
 wasm-bindgen = { version = "0.2.57", optional = true }
 wasm-bindgen-futures = { version = "0.4.7", optional = true }
 browser-utils = { package = "substrate-browser-utils", git = "https://github.com/paritytech/substrate", branch = "master", optional = true }
 
+[build-dependencies]
+substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
+
 [features]
 default = [ "wasmtime", "rocksdb", "cli" ]
 wasmtime = [ "sc-cli/wasmtime" ]
 rocksdb = [ "service/rocksdb" ]
 cli = [
 	"tokio",
 	"sc-cli",
+	"sc-service",
 	"frame-benchmarking-cli",
 	"service/full-node",
 ]

build.rs → cli/build.rs

@@ -14,13 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
 
-extern crate vergen;
-
-use vergen::{ConstantsFlags, generate_cargo_keys};
-
-const ERROR_MSG: &'static str = "Failed to generate metadata files";
-
 fn main() {
-	generate_cargo_keys(ConstantsFlags::all()).expect(ERROR_MSG);
-	println!("cargo:rerun-if-changed=.git/HEAD");
+	substrate_build_script_utils::generate_cargo_keys();
 }

cli/src/browser.rs

@@ -39,10 +39,10 @@ async fn start_inner(chain_spec: String, log_level: String) -> Result<Client, Bo
 	let config = browser_configuration(chain_spec).await?;
 
 	info!("Polkadot browser node");
-	info!("  version {}", config.full_version());
+	info!("  version {}", config.impl_version);
 	info!("  by Parity Technologies, 2017-2020");
-	info!("📋 Chain specification: {}", config.expect_chain_spec().name());
-	info!("🏷  Node name: {}", config.name);
+	info!("📋 Chain specification: {}", config.chain_spec.name());
+	info!("🏷  Node name: {}", config.network.node_name);
 	info!("👤 Role: {}", config.display_role());
 
 	// Create the service. This is the most heavy initialization step.

cli/src/cli.rs

@@ -54,23 +54,6 @@ pub struct RunCmd {
 	/// Force using Kusama native runtime.
 	#[structopt(long = "force-kusama")]
 	pub force_kusama: bool,
-}
-
-#[allow(missing_docs)]
-#[derive(Debug, StructOpt, Clone)]
-#[structopt(settings = &[
-	structopt::clap::AppSettings::GlobalVersion,
-	structopt::clap::AppSettings::ArgsNegateSubcommands,
-	structopt::clap::AppSettings::SubcommandsNegateReqs,
-])]
-pub struct Cli {
-	#[allow(missing_docs)]
-	#[structopt(subcommand)]
-	pub subcommand: Option<Subcommand>,
-
-	#[allow(missing_docs)]
-	#[structopt(flatten)]
-	pub run: RunCmd,
 
 	#[allow(missing_docs)]
 	#[structopt(long = "enable-authority-discovery")]
@@ -85,3 +68,15 @@ pub struct Cli {
 	#[structopt(long = "grandpa-pause", number_of_values(2))]
 	pub grandpa_pause: Vec<u32>,
 }
+
+#[allow(missing_docs)]
+#[derive(Debug, StructOpt, Clone)]
+pub struct Cli {
+	#[allow(missing_docs)]
+	#[structopt(subcommand)]
+	pub subcommand: Option<Subcommand>,
+
+	#[allow(missing_docs)]
+	#[structopt(flatten)]
+	pub run: RunCmd,
+}