src/commands/transfer.rs

 use crate::*;
 
-#[cfg(any(feature = "dev", feature = "gdev"))] // find how to get runtime calls
+#[cfg(feature = "gdev")] // find how to get runtime calls
 type Call = runtime::runtime_types::gdev_runtime::RuntimeCall;
 type BalancesCall = runtime::runtime_types::pallet_balances::pallet::Call;
 
@@ -16,7 +16,7 @@ pub async fn transfer(
 		(true, false) => {
 			submit_call_and_look_event::<
 				runtime::balances::events::Transfer,
-				Payload<runtime::balances::calls::types::TransferKeepAlive>,
+				StaticPayload<runtime::balances::calls::types::TransferKeepAlive>,
 			>(
 				data,
 				&runtime::tx()
@@ -28,7 +28,7 @@ pub async fn transfer(
 		(false, false) => {
 			submit_call_and_look_event::<
 				runtime::balances::events::Transfer,
-				Payload<runtime::balances::calls::types::TransferAllowDeath>,
+				StaticPayload<runtime::balances::calls::types::TransferAllowDeath>,
 			>(
 				data,
 				&runtime::tx()
@@ -40,7 +40,7 @@ pub async fn transfer(
 		(true, true) => {
 			submit_call_and_look_event::<
 				runtime::balances::events::Transfer,
-				Payload<runtime::universal_dividend::calls::types::TransferUdKeepAlive>,
+				StaticPayload<runtime::universal_dividend::calls::types::TransferUdKeepAlive>,
 			>(
 				data,
 				&runtime::tx()
@@ -52,7 +52,7 @@ pub async fn transfer(
 		(false, true) => {
 			submit_call_and_look_event::<
 				runtime::balances::events::Transfer,
-				Payload<runtime::universal_dividend::calls::types::TransferUd>,
+				StaticPayload<runtime::universal_dividend::calls::types::TransferUd>,
 			>(
 				data,
 				&runtime::tx()
@@ -83,7 +83,7 @@ pub async fn transfer_multiple(
 	// wrap these calls in a batch call
 	submit_call_and_look_event::<
 		runtime::utility::events::BatchCompleted,
-		Payload<runtime::utility::calls::types::Batch>,
+		StaticPayload<runtime::utility::calls::types::Batch>,
 	>(data, &runtime::tx().utility().batch(transactions))
 	.await
 }

src/commands/ud.rs

@@ -26,7 +26,7 @@ pub async fn handle_command(data: Data, command: Subcommand) -> Result<(), GcliE
 pub async fn claim_ud(data: &Data) -> Result<(), subxt::Error> {
 	submit_call_and_look_event::<
 		runtime::universal_dividend::events::UdsClaimed,
-		Payload<runtime::universal_dividend::calls::types::ClaimUds>,
+		StaticPayload<runtime::universal_dividend::calls::types::ClaimUds>,
 	>(data, &runtime::tx().universal_dividend().claim_uds())
 	.await
 }

src/commands/vault/display.rs

+use crate::commands::cesium;
+use crate::entities::vault_account;
+use crate::entities::vault_account::AccountTreeNode;
+use crate::keys::CryptoScheme;
+use crate::utils::GcliError;
+use comfy_table::{Cell, Table};
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::str;
+
+#[deprecated(
+	note = "Should be removed in a future version when db persistence of vault is present for a while"
+)]
+pub fn compute_vault_key_files_table(vault_key_addresses: &[String]) -> Result<Table, GcliError> {
+	let mut table = Table::new();
+	table.load_preset(comfy_table::presets::UTF8_BORDERS_ONLY);
+	table.set_header(vec!["Key file"]);
+
+	vault_key_addresses.iter().for_each(|address| {
+		table.add_row(vec![Cell::new(address)]);
+	});
+
+	Ok(table)
+}
+
+pub fn compute_vault_accounts_table(
+	account_tree_nodes: &[Rc<RefCell<AccountTreeNode>>],
+) -> Result<Table, GcliError> {
+	// Calling the new function with show_g1v1 = true to maintain compatibility
+	compute_vault_accounts_table_with_g1v1(account_tree_nodes, true)
+}
+
+pub fn compute_vault_accounts_table_with_g1v1(
+	account_tree_nodes: &[Rc<RefCell<AccountTreeNode>>],
+	show_g1v1: bool,
+) -> Result<Table, GcliError> {
+	let mut table = Table::new();
+	table.load_preset(comfy_table::presets::UTF8_BORDERS_ONLY);
+
+	// Prepare header based on options
+	table.set_header(vec![
+		if show_g1v1 {
+			"SS58 Address/G1v1 public key"
+		} else {
+			"SS58 Address"
+		},
+		"Crypto",
+		"Path",
+		"Name",
+	]);
+
+	for account_tree_node in account_tree_nodes {
+		let _ = add_account_tree_node_to_table_with_g1v1(&mut table, account_tree_node, show_g1v1);
+	}
+
+	Ok(table)
+}
+
+fn add_account_tree_node_to_table_with_g1v1(
+	table: &mut Table,
+	account_tree_node: &Rc<RefCell<AccountTreeNode>>,
+	show_g1v1: bool,
+) -> Result<(), GcliError> {
+	let rows = compute_vault_accounts_row_with_g1v1(account_tree_node, show_g1v1)?;
+	rows.iter().for_each(|row| {
+		table.add_row(row.clone());
+	});
+
+	for child in &account_tree_node.borrow().children {
+		let _ = add_account_tree_node_to_table_with_g1v1(table, child, show_g1v1);
+	}
+
+	Ok(())
+}
+
+/// Computes one or more row of the table for selected account_tree_node
+///
+/// For ed25519 keys, will display over 2 rows to also show the base 58 G1v1 public key if show_g1v1 is true
+pub fn compute_vault_accounts_row_with_g1v1(
+	account_tree_node: &Rc<RefCell<AccountTreeNode>>,
+	show_g1v1: bool,
+) -> Result<Vec<Vec<Cell>>, GcliError> {
+	let empty_string = "".to_string();
+
+	let depth_account_tree_node = vault_account::count_depth_account_tree_node(account_tree_node);
+
+	let name = if let Some(name) = account_tree_node.borrow().account.name.clone() {
+		name
+	} else if let Some(computed_name) =
+		vault_account::compute_name_account_tree_node(account_tree_node)
+	{
+		format!("<{}>", computed_name)
+	} else {
+		empty_string.clone()
+	};
+
+	let account_tree_node = account_tree_node.borrow();
+
+	let address = if depth_account_tree_node > 0 {
+		let ancestors = "│ ".repeat(depth_account_tree_node - 1);
+		format!("{}├ {}", ancestors, account_tree_node.account.address)
+	} else {
+		account_tree_node.account.address.to_string()
+	};
+
+	let mut rows: Vec<Vec<Cell>> = vec![];
+
+	let (path, crypto) = if let Some(path) = account_tree_node.account.path.clone() {
+		(path, empty_string.clone())
+	} else {
+		let crypto_scheme = CryptoScheme::from(account_tree_node.account.crypto_scheme.unwrap());
+		let crypto_scheme_str: &str = crypto_scheme.into();
+
+		// Add a second line for the G1v1 public key only if show_g1v1 is true and it's an Ed25519 key
+		let is_ed25519 = crypto_scheme == CryptoScheme::Ed25519;
+		if show_g1v1 && is_ed25519 {
+			rows.push(vec![Cell::new(format!(
+				"└ G1v1: {}",
+				cesium::compute_g1v1_public_key_from_ed25519_account_id(
+					&account_tree_node.account.address.0
+				)
+			))]);
+		}
+
+		(
+			format!("<{}>", account_tree_node.account.account_type()),
+			crypto_scheme_str.to_string(),
+		)
+	};
+
+	// Add the first line
+	rows.insert(
+		0,
+		vec![
+			Cell::new(&address),
+			Cell::new(crypto),
+			Cell::new(&path),
+			Cell::new(&name),
+		],
+	);
+
+	Ok(rows)
+}
+
+#[cfg(test)]
+mod tests {
+	mod vault_accounts_table_tests {
+		use crate::commands::vault::display::{
+			compute_vault_accounts_table, compute_vault_accounts_table_with_g1v1,
+		};
+		use crate::entities::vault_account::tests::account_tree_node_tests::{
+			mother_account_tree_node, mother_g1v1_account_tree_node,
+		};
+		use indoc::indoc;
+
+		// Tests for compute_vault_accounts_table (old function)
+		#[test]
+		fn test_compute_vault_accounts_table_empty() {
+			let table = compute_vault_accounts_table(&[]).unwrap();
+
+			let expected_table = indoc! {r#"
+			┌─────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key   Crypto   Path   Name │
+			╞═════════════════════════════════════════════════════╡
+			└─────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table.to_string(), expected_table);
+		}
+
+		#[test]
+		fn test_compute_vault_accounts_table() {
+			let account_tree_node = mother_account_tree_node();
+			let g1v1_account_tree_node = mother_g1v1_account_tree_node();
+
+			let table =
+				compute_vault_accounts_table(&[account_tree_node, g1v1_account_tree_node]).unwrap();
+
+			let expected_table = indoc! {r#"
+			┌──────────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key                           Crypto    Path     Name           │
+			╞══════════════════════════════════════════════════════════════════════════════════════════╡
+			│ 5DfhGyQdFobKM8NsWvEeAKk5EQQgYe9AydgJ7rMB6E1EqRzV       sr25519   <Base>   Mother         │
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH               //0      Child 1        │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d             //0      Grandchild 1   │
+			│ ├ 5GBNeWRhZc2jXu7D55rBimKYDk8PGk8itRYFTPfC8RJLKG5o               //1      <Mother//1>    │
+			│ │ ├ 5CvdJuB9HLXSi5FS9LW57cyHF13iCv5HDimo2C45KxnxriCT             //1      <Mother//1//1> │
+			│ 5ET2jhgJFoNQUpgfdSkdwftK8DKWdqZ1FKm5GKWdPfMWhPr4       ed25519   <Base>   MotherG1v1     │
+			│ └ G1v1: 86pW1doyJPVH3jeDPZNQa1UZFBo5zcdvHERcaeE758W7                                     │
+			└──────────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table.to_string(), expected_table);
+		}
+
+		#[test]
+		fn test_compute_vault_accounts_table_partial() {
+			let mother = mother_account_tree_node();
+			let child1 = mother.borrow().children[0].clone();
+
+			let table = compute_vault_accounts_table(&[child1]).unwrap();
+
+			let expected_table = indoc! {r#"
+			┌─────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key                           Crypto   Path   Name         │
+			╞═════════════════════════════════════════════════════════════════════════════════════╡
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH              //0    Child 1      │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d            //0    Grandchild 1 │
+			└─────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table.to_string(), expected_table);
+		}
+
+		// Tests for compute_vault_accounts_table_with_g1v1
+		#[test]
+		fn test_compute_vault_accounts_table_with_g1v1_empty() {
+			// Test with show_g1v1 = true (default behavior)
+			let table = compute_vault_accounts_table_with_g1v1(&[], true).unwrap();
+			let expected_table_with_g1v1 = indoc! {r#"
+			┌─────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key   Crypto   Path   Name │
+			╞═════════════════════════════════════════════════════╡
+			└─────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table.to_string(), expected_table_with_g1v1);
+
+			// Test with show_g1v1 = false
+			let table = compute_vault_accounts_table_with_g1v1(&[], false).unwrap();
+			let expected_table_without_g1v1 = indoc! {r#"
+			┌─────────────────────────────────────┐
+			│ SS58 Address   Crypto   Path   Name │
+			╞═════════════════════════════════════╡
+			└─────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table.to_string(), expected_table_without_g1v1);
+		}
+
+		#[test]
+		fn test_compute_vault_accounts_table_with_g1v1() {
+			let account_tree_node = mother_account_tree_node();
+			let g1v1_account_tree_node = mother_g1v1_account_tree_node();
+			let account_tree_nodes = vec![account_tree_node, g1v1_account_tree_node];
+
+			// Test with show_g1v1 = true (default behavior)
+			let table_with_g1v1 =
+				compute_vault_accounts_table_with_g1v1(&account_tree_nodes, true).unwrap();
+			let expected_table_with_g1v1 = indoc! {r#"
+			┌──────────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key                           Crypto    Path     Name           │
+			╞══════════════════════════════════════════════════════════════════════════════════════════╡
+			│ 5DfhGyQdFobKM8NsWvEeAKk5EQQgYe9AydgJ7rMB6E1EqRzV       sr25519   <Base>   Mother         │
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH               //0      Child 1        │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d             //0      Grandchild 1   │
+			│ ├ 5GBNeWRhZc2jXu7D55rBimKYDk8PGk8itRYFTPfC8RJLKG5o               //1      <Mother//1>    │
+			│ │ ├ 5CvdJuB9HLXSi5FS9LW57cyHF13iCv5HDimo2C45KxnxriCT             //1      <Mother//1//1> │
+			│ 5ET2jhgJFoNQUpgfdSkdwftK8DKWdqZ1FKm5GKWdPfMWhPr4       ed25519   <Base>   MotherG1v1     │
+			│ └ G1v1: 86pW1doyJPVH3jeDPZNQa1UZFBo5zcdvHERcaeE758W7                                     │
+			└──────────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table_with_g1v1.to_string(), expected_table_with_g1v1);
+
+			// Test with show_g1v1 = false
+			let table_without_g1v1 =
+				compute_vault_accounts_table_with_g1v1(&account_tree_nodes, false).unwrap();
+			let expected_table_without_g1v1 = indoc! {r#"
+			┌──────────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address                                           Crypto    Path     Name           │
+			╞══════════════════════════════════════════════════════════════════════════════════════════╡
+			│ 5DfhGyQdFobKM8NsWvEeAKk5EQQgYe9AydgJ7rMB6E1EqRzV       sr25519   <Base>   Mother         │
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH               //0      Child 1        │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d             //0      Grandchild 1   │
+			│ ├ 5GBNeWRhZc2jXu7D55rBimKYDk8PGk8itRYFTPfC8RJLKG5o               //1      <Mother//1>    │
+			│ │ ├ 5CvdJuB9HLXSi5FS9LW57cyHF13iCv5HDimo2C45KxnxriCT             //1      <Mother//1//1> │
+			│ 5ET2jhgJFoNQUpgfdSkdwftK8DKWdqZ1FKm5GKWdPfMWhPr4       ed25519   <Base>   MotherG1v1     │
+			└──────────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table_without_g1v1.to_string(), expected_table_without_g1v1);
+		}
+
+		#[test]
+		fn test_compute_vault_accounts_table_with_g1v1_partial() {
+			let mother = mother_account_tree_node();
+			let child1 = mother.borrow().children[0].clone();
+			let account_tree_nodes = vec![child1];
+
+			// Test with show_g1v1 = true (default behavior)
+			let table_with_g1v1 =
+				compute_vault_accounts_table_with_g1v1(&account_tree_nodes, true).unwrap();
+			let expected_table_with_g1v1 = indoc! {r#"
+			┌─────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address/G1v1 public key                           Crypto   Path   Name         │
+			╞═════════════════════════════════════════════════════════════════════════════════════╡
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH              //0    Child 1      │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d            //0    Grandchild 1 │
+			└─────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table_with_g1v1.to_string(), expected_table_with_g1v1);
+
+			// Test with show_g1v1 = false
+			let table_without_g1v1 =
+				compute_vault_accounts_table_with_g1v1(&account_tree_nodes, false).unwrap();
+			let expected_table_without_g1v1 = indoc! {r#"
+			┌─────────────────────────────────────────────────────────────────────────────────────┐
+			│ SS58 Address                                           Crypto   Path   Name         │
+			╞═════════════════════════════════════════════════════════════════════════════════════╡
+			│ ├ 5D34dL5prEUaGNQtPPZ3yN5Y6BnkfXunKXXz6fo7ZJbLwRRH              //0    Child 1      │
+			│ │ ├ 5Fh5PLQNt1xuEXm71dfDtQdnwceSew4oHewWBLsWAkKspV7d            //0    Grandchild 1 │
+			└─────────────────────────────────────────────────────────────────────────────────────┘"#
+			};
+
+			assert_eq!(table_without_g1v1.to_string(), expected_table_without_g1v1);
+		}
+	}
+}

src/conf.rs

+use crate::entities::vault_account;
+use crate::entities::vault_account::DbAccountId;
 use crate::*;
 use serde::{Deserialize, Serialize};
 
@@ -6,14 +8,13 @@ const APP_NAME: &str = "gcli";
 /// defines structure of config file
 #[derive(Serialize, Deserialize, Debug)]
 pub struct Config {
-	// duniter endpoint
+	/// duniter endpoint
 	pub duniter_endpoint: String,
-	// indexer endpoint
+	/// indexer endpoint
 	pub indexer_endpoint: String,
-	// user address
+	/// user address
+	/// to perform actions, user must provide secret
 	pub address: Option<AccountId>,
-	// user secret (substrate format)
-	pub secret: Option<String>,
 }
 
 impl std::default::Default for Config {
@@ -22,18 +23,12 @@ impl std::default::Default for Config {
 			duniter_endpoint: String::from(data::LOCAL_DUNITER_ENDPOINT),
 			indexer_endpoint: String::from(data::LOCAL_INDEXER_ENDPOINT),
 			address: None,
-			secret: None,
 		}
 	}
 }
 
 impl std::fmt::Display for Config {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-		let secret = if self.secret.is_some() {
-			"(secret defined)"
-		} else {
-			"(no secret)"
-		};
 		let address = if let Some(address) = &self.address {
 			format!("{}", address)
 		} else {
@@ -42,7 +37,7 @@ impl std::fmt::Display for Config {
 		writeln!(f, "Ğcli config")?;
 		writeln!(f, "duniter endpoint {}", self.duniter_endpoint)?;
 		writeln!(f, "indexer endpoint {}", self.indexer_endpoint)?;
-		write!(f, "address {address} {secret}")
+		write!(f, "address {address}")
 	}
 }
 
@@ -79,7 +74,7 @@ pub enum Subcommand {
 }
 
 /// handle conf command
-pub fn handle_command(data: Data, command: Subcommand) -> Result<(), GcliError> {
+pub async fn handle_command(data: Data, command: Subcommand) -> Result<(), GcliError> {
 	// match subcommand
 	match command {
 		Subcommand::Where => {
@@ -90,9 +85,19 @@ pub fn handle_command(data: Data, command: Subcommand) -> Result<(), GcliError>
 		}
 		Subcommand::Show => {
 			println!("{}", data.cfg);
+			if let Some(ref account_id) = data.cfg.address {
+				if let Some(account) = vault_account::find_by_id(
+					data.connect_db(),
+					&DbAccountId::from(account_id.clone()),
+				)
+				.await?
+				{
+					println!("(Vault: {})", account);
+				}
+			}
 		}
 		Subcommand::Save => {
-			confy::store(APP_NAME, None, &data.cfg).expect("unable to write config");
+			save(&data.cfg);
 		}
 		Subcommand::Default => {
 			confy::store(APP_NAME, None, Config::default()).expect("unable to write config");
@@ -101,3 +106,8 @@ pub fn handle_command(data: Data, command: Subcommand) -> Result<(), GcliError>
 
 	Ok(())
 }
+
+pub fn save(cfg: &Config) {
+	confy::store(APP_NAME, None, cfg).expect("unable to write config");
+	println!("Configuration updated!");
+}

src/data.rs

-use std::str::FromStr;
-
+use crate::commands::vault;
 use crate::*;
 use indexer::Indexer;
+use sea_orm::DatabaseConnection;
 
 // consts
 pub const LOCAL_DUNITER_ENDPOINT: &str = "ws://localhost:9944";
 pub const LOCAL_INDEXER_ENDPOINT: &str = "http://localhost:4350/graphql";
+pub const SQLITE_DB_FILENAME: &str = "gcli.sqlite";
+const PKG_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 #[cfg(feature = "gdev")]
 pub const GDEV_DUNITER_ENDPOINTS: [&str; 5] = [
@@ -17,36 +19,40 @@ pub const GDEV_DUNITER_ENDPOINTS: [&str; 5] = [
 ];
 #[cfg(feature = "gdev")]
 pub const GDEV_INDEXER_ENDPOINTS: [&str; 2] = [
-	"https://subsquid.gdev.coinduf.eu/graphql",
-	"https://gdev-squid.axiom-team.fr/graphql",
+	// "https://squid.gdev.coinduf.eu/v1/graphql",
+	"https://squid.gdev.gyroi.de/v1/graphql",
+	"https://gdev-squid.axiom-team.fr/v1/graphql",
 ];
 
 // data derived from command arguments
 
 /// Data of current command
 /// can also include fetched information
-#[derive(Default)]
 pub struct Data {
-	// command line arguments
+	/// command line arguments
 	pub args: Args,
-	// config
+	/// config
 	pub cfg: conf::Config,
-	// rpc to substrate client
+	/// database connection
+	connection: Option<DatabaseConnection>,
+	/// rpc to substrate client
 	pub client: Option<Client>,
-	// graphql to duniter-indexer
+	/// graphql to duniter-indexer
 	pub indexer: Option<Indexer>,
-	// user keypair
+	/// user keypair
 	pub keypair: Option<KeyPair>,
-	// user identity index
+	/// user identity index
 	pub idty_index: Option<IdtyId>,
-	// token decimals
+	/// token decimals
 	pub token_decimals: u32,
-	// token symbol
+	/// token symbol
 	pub token_symbol: String,
-	// genesis hash
+	/// genesis hash
 	pub genesis_hash: Hash,
-	// indexer genesis hash
+	/// indexer genesis hash
 	pub indexer_genesis_hash: Hash,
+	/// gcli base path
+	pub project_dir: directories::ProjectDirs,
 }
 
 /// system properties defined in client specs
@@ -57,22 +63,53 @@ struct SystemProperties {
 	token_symbol: String,
 }
 
+impl Default for Data {
+	fn default() -> Self {
+		let project_dir = directories::ProjectDirs::from("org", "duniter", "gcli").unwrap();
+		if !project_dir.data_dir().exists() {
+			std::fs::create_dir_all(project_dir.data_dir()).expect("could not create data dir");
+		};
+		Self {
+			project_dir,
+			args: Default::default(),
+			cfg: Default::default(),
+			connection: Default::default(),
+			client: Default::default(),
+			indexer: Default::default(),
+			keypair: Default::default(),
+			idty_index: Default::default(),
+			token_decimals: Default::default(),
+			token_symbol: Default::default(),
+			genesis_hash: Default::default(),
+			indexer_genesis_hash: Default::default(),
+		}
+	}
+}
+
 // implement helper functions for Data
 impl Data {
 	/// --- constructor ---
-	pub fn new(args: Args) -> Self {
-		Self {
+	pub async fn new(args: Args) -> Result<Self, GcliError> {
+		let mut data = Self {
 			args,
 			cfg: conf::load_conf(),
 			token_decimals: 0,
 			token_symbol: "tokens".into(),
 			..Default::default()
-		}
-		.overwrite_from_args()
-		.build_from_config()
+		};
+		//Necessary to support checking "vault names" in the base arguments
+		data = data.build_connection().await?;
+		data = data.overwrite_from_args().await?;
+		Ok(data)
 	}
 	// --- getters ---
 	// the "unwrap" should not fail if data is well prepared
+	/// Returns the DatabaseConnection reference
+	pub fn connect_db(&self) -> &DatabaseConnection {
+		self.connection
+			.as_ref()
+			.expect("Database connection is not available")
+	}
 	pub fn client(&self) -> &Client {
 		self.client.as_ref().expect("must build client first")
 	}
@@ -82,10 +119,29 @@ impl Data {
 	pub fn address(&self) -> AccountId {
 		self.cfg.address.clone().expect("an address is needed")
 	}
-	pub fn keypair(&self) -> KeyPair {
+	pub async fn keypair(&self) -> KeyPair {
 		match self.keypair.clone() {
 			Some(keypair) => keypair,
-			None => prompt_secret(self.args.secret_format),
+			None => loop {
+				match fetch_or_get_keypair(self, self.cfg.address.clone(), None).await {
+					Ok(pair) => return pair,
+					Err(e) => {
+						//Adapted code to still be able to go out of the loop when user hit "Esc" key or "ctrl+c" when prompted for a value
+						//otherwise only way was to kill the process !
+						if let GcliError::Input(message) = &e {
+							match message.as_str() {
+								"Operation was interrupted by the user"
+								| "Operation was canceled by the user" => {
+									panic!("{}", e.to_string());
+								}
+								_ => {}
+							}
+						}
+
+						println!("{e:?} → retry")
+					}
+				}
+			},
 		}
 	}
 	pub fn idty_index(&self) -> IdtyId {
@@ -93,16 +149,21 @@ impl Data {
 	}
 	// --- methods ---
 	pub fn format_balance(&self, amount: Balance) -> String {
-		let base: u32 = 10;
+		let base: u64 = 10;
+		let integer_part = amount / base.pow(self.token_decimals);
+		let fractional_part = amount % base.pow(self.token_decimals);
+
 		format!(
-			"{} {}",
-			(amount as f32) / (base.pow(self.token_decimals) as f32),
-			self.token_symbol
+			"{}.{:0left_padding$} {}",
+			integer_part,
+			fractional_part,
+			self.token_symbol,
+			left_padding = self.token_decimals as usize
 		)
 	}
 	// --- mutators ---
 	/// use arguments to overwrite config
-	pub fn overwrite_from_args(mut self) -> Self {
+	pub async fn overwrite_from_args(mut self) -> Result<Self, GcliError> {
 		// network
 		if let Some(network) = self.args.network.clone() {
 			// a network was provided as arugment
@@ -145,73 +206,54 @@ impl Data {
 			self.cfg.indexer_endpoint = indexer_endpoint
 		}
 		// secret format and value
-		if self.args.secret_format == SecretFormat::Predefined {
-			// predefined secret format overwrites secret with mnemonic
-			match self.args.secret.clone() {
-				None => {}
-				Some(derivation) => {
-					self.cfg.secret = Some(predefined_mnemonic(&derivation));
-				}
-			};
-		} else if self.args.secret_format == SecretFormat::Cesium {
-			// cesium secret format also overwrites, to force valid prompt
-			self.cfg.secret = None
-		} else if let Some(secret) = self.args.secret.clone() {
-			// other secret type
-			self.cfg.secret = Some(secret);
+		if let Some(secret_format) = self.args.secret_format {
+			let keypair = get_keypair(
+				secret_format,
+				self.args.secret.as_deref(),
+				self.args.crypto_scheme,
+			)?;
+			self.cfg.address = Some(keypair.address());
+			self.keypair = Some(keypair);
 		}
 		// address
 		if let Some(address) = self.args.address.clone() {
-			self.cfg.address = Some(AccountId::from_str(&address).expect("invalid address"));
+			self.cfg.address = Some(address.clone());
 			// if giving address, cancel secret
-			self.cfg.secret = None
-		}
-		self
-	}
-	/// build from config
-	pub fn build_from_config(mut self) -> Self {
-		let secret_format = self.args.secret_format;
-		// prevent incoherent state
-		if secret_format == SecretFormat::Cesium && self.cfg.secret.is_some() {
-			panic!("incompatible input: secret arg with cesium format");
-		}
-		// if secret format is cesium, force a prompt now and record keypair
-		if secret_format == SecretFormat::Cesium {
-			let keypair = prompt_secret(SecretFormat::Cesium);
-			self.cfg.address = Some(keypair.address());
-			self.keypair = Some(keypair);
+			self.keypair = None
 		}
-		// if a secret is defined (format should not be cesium), build keypair and silently overwrite address
-		if let Some(secret) = self.cfg.secret.clone() {
-			let keypair = pair_from_secret(secret_format, &secret).expect("invalid secret");
-			self.cfg.address = Some(keypair.public().into());
-			self.keypair = Some(keypair.into());
+		// (vault)name
+		if let Some(name) = self.args.name.clone() {
+			let account = vault::retrieve_vault_account_for_name(self.connect_db(), &name).await?;
+
+			self.cfg.address = Some(account.address.0.clone());
+			// if giving (vault)name, cancel secret
+			self.keypair = None
 		}
-		self
+		Ok(self)
 	}
 	/// build a client from url
 	pub async fn build_client(mut self) -> Result<Self, GcliError> {
-		let duniter_endpoint = self.cfg.duniter_endpoint.clone();
-		self.client = Some(Client::from_url(&duniter_endpoint).await.map_err(|e| {
-			GcliError::Duniter(format!(
-				"could not establish connection with the server {}, due to error {}",
-				duniter_endpoint,
-				dbg!(e) // needed to get more details TODO fixme
-			))
-		})?);
+		let duniter_endpoint = &self.cfg.duniter_endpoint;
+		let client = Client::from_url(duniter_endpoint).await.map_err(|e| {
+			// to get more details TODO fixme, see issue #18
+			dbg!(e);
+			GcliError::Duniter(format!("can not connect to duniter {duniter_endpoint}",))
+		})?;
+		self.client = Some(client);
 		self.genesis_hash = commands::blockchain::fetch_genesis_hash(&self).await?;
 		Ok(self)
 	}
 	/// build an indexer if not disabled
-	pub async fn build_indexer(mut self) -> Result<Self, anyhow::Error> {
+	pub async fn build_indexer(mut self) -> Result<Self, GcliError> {
 		if self.args.no_indexer {
 			log::info!("called build_indexer while providing no_indexer");
 			self.indexer = None;
 		} else {
 			self.indexer = Some(Indexer {
 				gql_client: reqwest::Client::builder()
-					.user_agent("gcli/0.1.0")
-					.build()?,
+					.user_agent(format!("gcli/{PKG_VERSION}"))
+					.build()
+					.unwrap(),
 				gql_url: self.cfg.indexer_endpoint.clone(),
 			});
 			self.indexer_genesis_hash = self.indexer().fetch_genesis_hash().await?;
@@ -221,7 +263,16 @@ impl Data {
 		};
 		Ok(self)
 	}
-	/// get issuer index
+
+	/// build a database connection
+	async fn build_connection(mut self) -> Result<Self, GcliError> {
+		let data_dir = self.project_dir.data_dir();
+		let connection = database::build_sqlite_connection(data_dir, SQLITE_DB_FILENAME).await?;
+		self.connection = Some(connection);
+		Ok(self)
+	}
+
+	/// get issuer index<br>
 	/// needs address and client first
 	pub async fn fetch_idty_index(mut self) -> Result<Self, GcliError> {
 		self.idty_index = Some(
@@ -234,11 +285,15 @@ impl Data {
 		Ok(self)
 	}
 	/// get properties
-	pub async fn fetch_system_properties(mut self) -> Result<Self, anyhow::Error> {
+	pub async fn fetch_system_properties(mut self) -> Result<Self, GcliError> {
 		let system_properties = self.legacy_rpc_methods().await.system_properties().await?;
 		let system_properties = serde_json::from_value::<SystemProperties>(
 			serde_json::Value::Object(system_properties),
-		)?;
+		)
+		.map_err(|e| {
+			dbg!(e);
+			GcliError::Duniter("could not read duniter system properties".to_string())
+		})?;
 		self.token_decimals = system_properties.token_decimals;
 		self.token_symbol = system_properties.token_symbol;
 		Ok(self)

src/entities.rs

+pub mod vault_account;