feat(asb): History command display start datetime, btc amount, xmr amount, exchange rate and peer id of trading partner

swap/src/asb/command.rs

@@ -33,13 +33,13 @@ where
             env_config: env_config(testnet),
             cmd: Command::Start { resume_only },
         },
-        RawCommand::History => Arguments {
+        RawCommand::History { only_unfinished } => Arguments {
             testnet,
             json,
             disable_timestamp,
             config_path: config_path(config, testnet)?,
             env_config: env_config(testnet),
-            cmd: Command::History,
+            cmd: Command::History { only_unfinished },
         },
         RawCommand::WithdrawBtc { amount, address } => Arguments {
             testnet,
@@ -195,7 +195,9 @@ pub enum Command {
     Start {
         resume_only: bool,
     },
-    History,
+    History {
+        only_unfinished: bool,
+    },
     Config,
     WithdrawBtc {
         amount: Option<Amount>,
@@ -269,7 +271,13 @@ pub enum RawCommand {
         resume_only: bool,
     },
     #[structopt(about = "Prints swap-id and the state of each swap ever made.")]
-    History,
+    History {
+        #[structopt(
+            long = "only-unfinished",
+            help = "If set, only unfinished swaps will be printed."
+        )]
+        only_unfinished: bool,
+    },
     #[structopt(about = "Prints the current config")]
     Config,
     #[structopt(about = "Allows withdrawing BTC from the internal Bitcoin wallet.")]

swap/src/bin/asb.rs

@@ -18,6 +18,8 @@ use libp2p::core::multiaddr::Protocol;
 use libp2p::core::Multiaddr;
 use libp2p::swarm::AddressScore;
 use libp2p::Swarm;
+use rust_decimal::prelude::FromPrimitive;
+use rust_decimal::Decimal;
 use std::convert::TryInto;
 use std::env;
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
@@ -33,7 +35,9 @@ use swap::common::check_latest_version;
 use swap::database::open_db;
 use swap::network::rendezvous::XmrBtcNamespace;
 use swap::network::swarm;
+use swap::protocol::alice::swap::is_complete;
 use swap::protocol::alice::{run, AliceState};
+use swap::protocol::State;
 use swap::seed::Seed;
 use swap::tor::AuthenticatedClient;
 use swap::{asb, bitcoin, kraken, monero, tor};
@@ -224,18 +228,82 @@ async fn main() -> Result<()> {
 
             event_loop.run().await;
         }
-        Command::History => {
+        Command::History { only_unfinished } => {
             let mut table = Table::new();
+            table.set_header(vec![
+                "SWAP ID",
+                "START DATETIME",
+                "CURRENT STATE",
+                "BTC AMOUNT",
+                "XMR AMOUNT",
+                "EXCHANGE RATE",
+                "TRADING PARTNER PEER ID",
+            ]);
 
-            table.set_header(vec!["SWAP ID", "STATE"]);
+            let all_swaps = db.all().await?;
+            for (swap_id, state) in all_swaps {
+                if let Err(e) = async {
+                    let latest_state: AliceState = state.try_into()?;
 
-            for (swap_id, state) in db.all().await? {
-                let state: AliceState = state.try_into()?;
-                table.add_row(vec![swap_id.to_string(), state.to_string()]);
+                    if only_unfinished && is_complete(&latest_state) {
+                        () // Skip finished swaps
                     }
 
+                    let all_states = db.get_states(swap_id).await?;
+                    let state3 = all_states
+                        .iter()
+                        .find_map(|s| match s {
+                            State::Alice(AliceState::BtcLockTransactionSeen { state3 }) => {
+                                Some(state3)
+                            }
+                            _ => None,
+                        })
+                        .context("Failed to get \"BtcLockTransactionSeen\" state")?;
+
+                    let swap_start_date = db.get_swap_start_date(swap_id).await?;
+                    let peer_id = db.get_peer_id(swap_id).await?;
+
+                    let exchange_rate = format!(
+                        "{} XMR/BTC",
+                        (Decimal::from_f64(state3.btc.to_btc()).unwrap() / state3.xmr.as_xmr())
+                            .round_dp(8)
+                    );
+
+                    if json {
+                        tracing::info!(
+                            swap_id = %swap_id,
+                            swap_start_date = %swap_start_date,
+                            latest_state = %latest_state,
+                            btc_amount = %state3.btc,
+                            xmr_amount = %state3.xmr,
+                            exchange_rate = %exchange_rate,
+                            trading_partner_peer_id = %peer_id,
+                            "Found swap in database"
+                        );
+                    } else {
+                        table.add_row(vec![
+                            swap_id.to_string(),
+                            swap_start_date.to_string(),
+                            latest_state.to_string(),
+                            state3.btc.to_string(),
+                            state3.xmr.to_string(),
+                            exchange_rate,
+                            peer_id.to_string(),
+                        ]);
+                    }
+
+                    Ok::<_, anyhow::Error>(())
+                }
+                .await
+                {
+                    tracing::error!(swap_id = %swap_id, "{:#}", e);
+                }
+            }
+
+            if !json {
                 println!("{}", table);
             }
+        }
         Command::Config => {
             let config_json = serde_json::to_string_pretty(&config)?;
             println!("{}", config_json);

swap/src/monero.rs

@@ -142,6 +142,14 @@ impl Amount {
         Decimal::from(self.as_piconero())
     }
 
+    pub fn as_xmr(&self) -> Decimal {
+        let mut decimal = Decimal::from(self.0);
+        decimal
+            .set_scale(12)
+            .expect("12 is smaller than max precision of 28");
+        decimal
+    }
+
     fn from_decimal(amount: Decimal) -> Result<Self> {
         let piconeros_dec =
             amount.mul(Decimal::from_u64(PICONERO_OFFSET).expect("constant to fit into u64"));
@@ -184,11 +192,8 @@ impl From<Amount> for u64 {
 
 impl fmt::Display for Amount {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut decimal = Decimal::from(self.0);
-        decimal
-            .set_scale(12)
-            .expect("12 is smaller than max precision of 28");
-        write!(f, "{} XMR", decimal)
+        let xmr_value = self.as_xmr();
+        write!(f, "{} XMR", xmr_value)
     }
 }
 

swap/src/protocol/alice/state.rs

@@ -384,8 +384,8 @@ pub struct State3 {
     S_b_bitcoin: bitcoin::PublicKey,
     pub v: monero::PrivateViewKey,
     #[serde(with = "::bitcoin::util::amount::serde::as_sat")]
-    btc: bitcoin::Amount,
-    xmr: monero::Amount,
+    pub btc: bitcoin::Amount,
+    pub xmr: monero::Amount,
     pub cancel_timelock: CancelTimelock,
     pub punish_timelock: PunishTimelock,
     refund_address: bitcoin::Address,

swap/src/protocol/alice/swap.rs

@@ -397,7 +397,7 @@ where
     })
 }
 
-pub(crate) fn is_complete(state: &AliceState) -> bool {
+pub fn is_complete(state: &AliceState) -> bool {
     matches!(
         state,
         AliceState::XmrRefunded