feat: show specs

rust/definitions/src/error_active.rs

@@ -378,6 +378,7 @@ impl ErrorSource for Active {
                             CommandNeedArgument::MetaDefaultFileName => "`-name`",
                             CommandNeedArgument::MetaDefaultFileVersion => "`-version`",
                             CommandNeedArgument::CheckFile => "check_file",
+                            CommandNeedArgument::ShowSpecsTitle => "`show -specs`",
                         };
                         format!("{} must be followed by an agrument.", insert)
                     },
@@ -1756,6 +1757,9 @@ pub enum CommandNeedArgument {
 
     /// Command `check_file` must be followed by the file path
     CheckFile,
+
+    /// Command `show -specs` must be followed by the network address book title
+    ShowSpecsTitle,
 }
 
 /// Unsuitable argument for the key in `generate_message` command

rust/generate_message/src/lib.rs

@@ -231,7 +231,7 @@ use parser::{Command, Show};
 mod remove;
 use remove::remove_info;
 mod show;
-use show::{check_file, show_metadata, show_networks};
+use show::{check_file, show_metadata, show_networks, show_specs};
 mod specs;
 use specs::gen_add_specs;
 
@@ -242,6 +242,7 @@ pub fn full_run(command: Command) -> Result<(), ErrorActive> {
         Command::Show(x) => match x {
             Show::Metadata => show_metadata(),
             Show::Networks => show_networks(),
+            Show::Specs(title) => show_specs(title),
             Show::CheckFile(path) => check_file(path),
         },
         Command::Types => prep_types::<Active>(HOT_DB_NAME)?.write(TYLO),

rust/generate_message/src/parser.rs

@@ -43,6 +43,14 @@ pub enum Command {
     /// - network title as it will be displayed in Signer, from
     /// [`NetworkSpecsToSend`](definitions::network_specs::NetworkSpecsToSend)
     ///
+    /// # Show network specs for a network, as they are recorded in the hot database
+    ///
+    /// `$ cargo run show -specs <network address book title>`
+    ///
+    /// Function prints network address book title and corresponding
+    /// [`NetworkSpecsToSend`](definitions::network_specs::NetworkSpecsToSend)
+    /// from [`SPECSTREEPREP`] tree of the hot database.
+    ///
     /// # Check external file with hex-encoded metadata
     ///
     /// `$ cargo run check_file <path>`
@@ -445,8 +453,13 @@ pub enum Show {
     /// Show all hot database [`ADDRESS_BOOK`](constants::ADDRESS_BOOK) entries
     Networks,
 
+    /// Show network specs from [`SPECSTREEPREP`](constants::SPECSTREEPREP)
+    /// entry. Associated data is user-entered network address book title.
+    Specs(String),
+
     /// Check that external file is valid network metadata and search for
-    /// similar entry in hot database [`METATREE`](constants::METATREE)
+    /// similar entry in hot database [`METATREE`](constants::METATREE).
+    /// Associated data is user-provided path to the metadata file.
     CheckFile(String),
 }
 
@@ -718,6 +731,22 @@ impl Command {
                                     Ok(Command::Show(Show::Networks))
                                 }
                             }
+                            "-specs" => match args.next() {
+                                Some(title) => {
+                                    if args.next().is_some() {
+                                        Err(ErrorActive::CommandParser(
+                                            CommandParser::UnexpectedKeyArgumentSequence,
+                                        ))
+                                    } else {
+                                        Ok(Command::Show(Show::Specs(title)))
+                                    }
+                                }
+                                None => {
+                                    Err(ErrorActive::CommandParser(CommandParser::NeedArgument(
+                                        CommandNeedArgument::ShowSpecsTitle,
+                                    )))
+                                }
+                            },
                             _ => Err(ErrorActive::CommandParser(
                                 CommandParser::UnexpectedKeyArgumentSequence,
                             )),

rust/generate_message/src/show.rs

@@ -8,7 +8,7 @@ use definitions::{
     metadata::MetaValues,
 };
 
-use crate::helpers::{address_book_content, network_specs_from_entry};
+use crate::helpers::{address_book_content, network_specs_from_entry, network_specs_from_title};
 
 /// Display all metadata currenty stored in the hot database
 ///
@@ -168,3 +168,24 @@ pub fn check_file(path: String) -> Result<(), ErrorActive> {
 fn hash_string(meta: &[u8]) -> String {
     hex::encode(blake2b(32, &[], meta).as_bytes())
 }
+
+/// Show network specs for user-entered address book title
+pub fn show_specs(title: String) -> Result<(), ErrorActive> {
+    let specs = network_specs_from_title(&title)?;
+    println!(
+        "address book title: {}\nbase58 prefix: {}\ncolor: {}\ndecimals: {}\nencryption: {}\ngenesis_hash: {}\nlogo: {}\nname: {}\npath_id: {}\nsecondary_color: {}\ntitle: {}\nunit: {}",
+        title,
+        specs.base58prefix,
+        specs.color,
+        specs.decimals,
+        specs.encryption.show(),
+        hex::encode(specs.genesis_hash),
+        specs.logo,
+        specs.name,
+        specs.path_id,
+        specs.secondary_color,
+        specs.title,
+        specs.unit
+    );
+    Ok(())
+}