From 4b4a3087179e7aa7d42e884221cb8004e61f6cd3 Mon Sep 17 00:00:00 2001
From: Aditya Kulkarni <adityapk@gmail.com>
Date: Fri, 6 Sep 2019 15:18:38 -0700
Subject: [PATCH] List transactions

---
 rust-lightclient/src/commands.rs    | 17 +++++++++++++++
 rust-lightclient/src/lightclient.rs | 32 ++++++++++++++++++++++++++---
 2 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/rust-lightclient/src/commands.rs b/rust-lightclient/src/commands.rs
index 64707f4..e2e9fc8 100644
--- a/rust-lightclient/src/commands.rs
+++ b/rust-lightclient/src/commands.rs
@@ -124,6 +124,22 @@ impl Command for ReadCommand {
     }
 }
 
+struct TransactionsCommand {}
+impl Command for TransactionsCommand {
+    fn help(&self) {
+        println!("Show transactions");
+    }
+
+    fn short_help(&self) -> String {
+        "List all transactions in the wallet".to_string()
+    }
+
+    fn exec(&self, _args: &[String], lightclient: &mut LightClient) {
+        lightclient.do_list_transactions();
+    }
+
+}
+
 struct QuitCommand {}
 impl Command for QuitCommand {
         fn help(&self) {
@@ -151,6 +167,7 @@ pub fn get_commands() -> Box<HashMap<String, Box<dyn Command>>> {
     map.insert("save".to_string(),      Box::new(SaveCommand{}));
     map.insert("read".to_string(),      Box::new(ReadCommand{}));
     map.insert("quit".to_string(),      Box::new(QuitCommand{}));
+    map.insert("list".to_string(),      Box::new(TransactionsCommand{}));
 
     Box::new(map)
 }
diff --git a/rust-lightclient/src/lightclient.rs b/rust-lightclient/src/lightclient.rs
index 584d9c9..35e21f6 100644
--- a/rust-lightclient/src/lightclient.rs
+++ b/rust-lightclient/src/lightclient.rs
@@ -114,6 +114,32 @@ impl LightClient {
         tokio::runtime::current_thread::Runtime::new().unwrap().block_on(say_hello).unwrap()
     }
 
+    pub fn do_list_transactions(&self) {
+        // Go over all the transactions
+        self.wallet.txs.read().unwrap().iter().for_each(
+            | (k, v) | {
+                println!("Block {}", v.block);
+                println!("Txid {}", k);
+                v.notes.iter().for_each( |nd| {
+                    println!("Spent in txid {}", match nd.spent {
+                        Some(txid) => format!("{}", txid),
+                        _ => "(not spent)".to_string()
+                    });
+                    println!("Value {}", nd.note.value);
+                    println!("Memo {}", match &nd.memo {
+                        Some(memo) => {
+                            match memo.to_utf8() {
+                                Some(Ok(memo_str)) => memo_str,
+                                _ => "".to_string()
+                            }
+                        }
+                        _ => "".to_string()
+                    });
+                });
+            }
+        )
+    }
+
     pub fn do_sync(&self) {
         // Sync is 3 parts
         // 1. Get the latest block
@@ -185,7 +211,7 @@ impl LightClient {
                 })
                 .collect::<Vec<(TxId, Option<Memo>)>>();
                 
-            println!("{:?}", txids_and_memos);
+            //println!("{:?}", txids_and_memos);
             // TODO: Assert that all the memos here are None
 
             txids_to_fetch = txids_and_memos.iter()
@@ -197,7 +223,7 @@ impl LightClient {
         // read the memos        
         for txid in txids_to_fetch {
             let light_wallet_clone = self.wallet.clone();
-            println!("Scanning txid {}", txid);
+            println!("Fetching full Tx: {}", txid);
 
             self.fetch_full_tx(txid, move |tx_bytes: &[u8] | {
                 let tx = Transaction::read(tx_bytes).unwrap();
@@ -222,7 +248,7 @@ impl LightClient {
                     })
                     .collect::<Vec<Option<String>>>();
 
-        println!("All Wallet Txns {:?}", memos);
+        //println!("All Wallet Txns {:?}", memos);
     }
 
     pub fn do_send(&self, addr: String, value: u64, memo: Option<String>) {