embed distance oracle in duniter with subcommand (!225)

* feat: embed distance oracle in duniter with subcommand

Cargo.toml

@@ -18,7 +18,7 @@ name = 'duniter'
 path = "node/src/main.rs"
 
 [features]
-default = ["gdev"]
+default = ["gdev", "distance-oracle"]
 gdev = ["gdev-runtime"] # gdev feature enables gdev runtime and gdev command line options
 g1 = ["g1-runtime"]
 gtest = ["gtest-runtime"]
@@ -58,7 +58,7 @@ sp-trie = { git = "https://github.com/duniter/substrate", branch = "duniter-subs
 # local dependencies
 common-runtime = { path = 'runtime/common' }
 dc-distance = { path = 'client/distance' }
-distance-oracle = { path = 'distance-oracle', optional = true }
+distance-oracle = { path = 'distance-oracle', default-features = false, optional = true }
 g1-runtime = { path = 'runtime/g1', optional = true }
 gdev-runtime = { path = 'runtime/gdev', optional = true }
 gtest-runtime = { path = 'runtime/gtest', optional = true }

distance-oracle/Cargo.toml

@@ -9,7 +9,7 @@ edition = "2021"
 [dependencies]
 sp-distance = { path = "../primitives/distance" }
 
-codec = { package = "parity-scale-codec", version = "3.1.5" }
+codec = { package = "parity-scale-codec", version = "3.6.5" }
 fnv = "1.0.7"
 log = "0.4.17"
 num-traits = "0.2.15"

node/src/cli.rs

@@ -37,6 +37,10 @@ pub enum Subcommand {
     /// Validate blocks.
     CheckBlock(sc_cli::CheckBlockCmd),
 
+    /// Run distance oracle.
+    #[cfg(feature = "distance-oracle")]
+    DistanceOracle(DistanceOracle),
+
     /// Export blocks.
     ExportBlocks(sc_cli::ExportBlocksCmd),
 
@@ -132,3 +136,14 @@ pub struct Completion {
     #[clap(short, long, value_enum)]
     pub generator: clap_complete::Shell,
 }
+
+#[derive(Debug, clap::Args)]
+pub struct DistanceOracle {
+    #[clap(short = 'd', long, default_value = "/tmp/duniter/chains/gdev/distance")]
+    pub evaluation_result_dir: String,
+    /// Maximum depth to explore the WoT graph for referees
+    #[clap(short = 'D', long, default_value = "5")]
+    pub max_depth: u32,
+    #[clap(short = 'u', long, default_value = "ws://127.0.0.1:9944")]
+    pub rpc_url: String,
+}

node/src/command.rs

@@ -304,6 +304,19 @@ pub fn run() -> sc_cli::Result<()> {
             );
             Ok(())
         }
+        #[cfg(feature = "distance-oracle")]
+        Some(Subcommand::DistanceOracle(cmd)) => sc_cli::build_runtime()?.block_on(async move {
+            distance_oracle::run_and_save(
+                &distance_oracle::api::client(cmd.rpc_url.clone()).await,
+                distance_oracle::Settings {
+                    evaluation_result_dir: cmd.evaluation_result_dir.clone().into(),
+                    max_depth: cmd.max_depth,
+                    rpc_url: cmd.rpc_url.clone(),
+                },
+            )
+            .await;
+            Ok(())
+        }),
         #[cfg(feature = "runtime-benchmarks")]
         Some(Subcommand::Benchmark(cmd)) => {
             let runner = cli.create_runner(&**cmd)?;