From 14c39f774062055ad1db0e05fdb08d79cefd4d74 Mon Sep 17 00:00:00 2001
From: raphjaph <raphjaph@protonmail.com>
Date: Wed, 25 Jan 2023 22:45:55 +0100
Subject: [PATCH 1/3] JSON for everyone

---
 src/lib.rs                |  5 +--
 src/object.rs             | 20 ++++++++-
 src/sat.rs                |  2 +-
 src/subcommand.rs         | 14 +++----
 src/subcommand/epochs.rs  | 11 ++++-
 src/subcommand/find.rs    |  7 +++-
 src/subcommand/info.rs    | 25 +++++++----
 src/subcommand/list.rs    | 20 ++++++++-
 src/subcommand/parse.rs   |  9 +++-
 src/subcommand/subsidy.rs | 13 +++++-
 src/subcommand/supply.rs  | 18 ++++++--
 src/subcommand/traits.rs  | 88 ++++++++++++---------------------------
 tests/epochs.rs           | 68 +++++++++++++++---------------
 tests/find.rs             | 16 ++++---
 tests/info.rs             | 28 +++++++------
 tests/list.rs             | 20 +++++++--
 tests/parse.rs            | 23 ++++++----
 tests/subsidy.rs          | 46 ++++++++++++++------
 tests/supply.rs           | 22 +++++-----
 tests/traits.rs           | 51 +++++++++++++++--------
 20 files changed, 310 insertions(+), 196 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index fb329abe83..e85782fbfb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,12 +23,9 @@ use {
     inscription::Inscription,
     inscription_id::InscriptionId,
     media::Media,
-    object::Object,
     options::Options,
     outgoing::Outgoing,
-    rarity::Rarity,
     representation::Representation,
-    sat::Sat,
     subcommand::Subcommand,
     tally::Tally,
   },
@@ -74,7 +71,7 @@ use {
 };
 
 pub use crate::{
-  fee_rate::FeeRate, sat_point::SatPoint,
+  fee_rate::FeeRate, object::Object, rarity::Rarity, sat::Sat, sat_point::SatPoint,
   subcommand::wallet::transaction_builder::TransactionBuilder,
 };
 
diff --git a/src/object.rs b/src/object.rs
index a967caac98..aaa30c1743 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -1,7 +1,7 @@
 use super::*;
 
 #[derive(Debug, PartialEq)]
-pub(crate) enum Object {
+pub enum Object {
   Address(Address),
   Hash([u8; 32]),
   InscriptionId(InscriptionId),
@@ -50,6 +50,24 @@ impl Display for Object {
   }
 }
 
+impl Serialize for Object {
+  fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+  where
+    S: Serializer,
+  {
+    serializer.collect_str(self)
+  }
+}
+
+impl<'de> Deserialize<'de> for Object {
+  fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+  where
+    D: Deserializer<'de>,
+  {
+    Ok(DeserializeFromStr::deserialize(deserializer)?.0)
+  }
+}
+
 #[cfg(test)]
 mod tests {
   use super::*;
diff --git a/src/sat.rs b/src/sat.rs
index 9444a0ae22..dcc2afb2b5 100644
--- a/src/sat.rs
+++ b/src/sat.rs
@@ -2,7 +2,7 @@ use super::*;
 
 #[derive(Copy, Clone, Eq, PartialEq, Debug, Display, Ord, PartialOrd, Deserialize, Serialize)]
 #[serde(transparent)]
-pub struct Sat(pub(crate) u64);
+pub struct Sat(pub u64);
 
 impl Sat {
   pub(crate) const LAST: Self = Self(Self::SUPPLY - 1);
diff --git a/src/subcommand.rs b/src/subcommand.rs
index c4b7b49af1..5f93fd6685 100644
--- a/src/subcommand.rs
+++ b/src/subcommand.rs
@@ -1,16 +1,16 @@
 use super::*;
 
 mod epochs;
-mod find;
+pub mod find;
 mod index;
-mod info;
-mod list;
-mod parse;
+pub mod info;
+pub mod list;
+pub mod parse;
 mod preview;
 mod server;
-mod subsidy;
-mod supply;
-mod traits;
+pub mod subsidy;
+pub mod supply;
+pub mod traits;
 pub mod wallet;
 
 fn print_json(output: impl Serialize) -> Result {
diff --git a/src/subcommand/epochs.rs b/src/subcommand/epochs.rs
index aeff9afa11..91c5e2e012 100644
--- a/src/subcommand/epochs.rs
+++ b/src/subcommand/epochs.rs
@@ -1,8 +1,17 @@
 use super::*;
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub sat: Sat,
+}
+
 pub(crate) fn run() -> Result {
+  let mut output = Vec::new();
   for sat in Epoch::STARTING_SATS {
-    println!("{}", sat);
+    output.push(sat);
   }
+
+  print_json(output)?;
+
   Ok(())
 }
diff --git a/src/subcommand/find.rs b/src/subcommand/find.rs
index e06132797c..fdf314cc48 100644
--- a/src/subcommand/find.rs
+++ b/src/subcommand/find.rs
@@ -6,6 +6,11 @@ pub(crate) struct Find {
   sat: Sat,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub satpoint: SatPoint,
+}
+
 impl Find {
   pub(crate) fn run(self, options: Options) -> Result {
     let index = Index::open(&options)?;
@@ -14,7 +19,7 @@ impl Find {
 
     match index.find(self.sat.0)? {
       Some(satpoint) => {
-        println!("{satpoint}");
+        print_json(Output { satpoint })?;
         Ok(())
       }
       None => Err(anyhow!("sat has not been mined as of index height")),
diff --git a/src/subcommand/info.rs b/src/subcommand/info.rs
index fa015510dd..aa96de00b4 100644
--- a/src/subcommand/info.rs
+++ b/src/subcommand/info.rs
@@ -6,6 +6,14 @@ pub(crate) struct Info {
   transactions: bool,
 }
 
+#[derive(Serialize, Deserialize)]
+pub struct TransactionsOutput {
+  pub start: u64,
+  pub end: u64,
+  pub count: u64,
+  pub elapsed: f64,
+}
+
 impl Info {
   pub(crate) fn run(self, options: Options) -> Result {
     let index = Index::open(&options)?;
@@ -13,19 +21,18 @@ impl Info {
     let info = index.info()?;
 
     if self.transactions {
-      println!("start\tend\tcount\telapsed");
-
+      let mut output = Vec::new();
       for window in info.transactions.windows(2) {
         let start = &window[0];
         let end = &window[1];
-        println!(
-          "{}\t{}\t{}\t{:.2}",
-          start.starting_block_count,
-          end.starting_block_count,
-          end.starting_block_count - start.starting_block_count,
-          (end.starting_timestamp - start.starting_timestamp) as f64 / 1000.0 / 60.0
-        );
+        output.push(TransactionsOutput {
+          start: start.starting_block_count,
+          end: end.starting_block_count,
+          count: end.starting_block_count - start.starting_block_count,
+          elapsed: (end.starting_timestamp - start.starting_timestamp) as f64 / 1000.0 / 60.0,
+        });
       }
+      print_json(output)?;
     } else {
       print_json(info)?;
     }
diff --git a/src/subcommand/list.rs b/src/subcommand/list.rs
index fb3f493256..b1193638fe 100644
--- a/src/subcommand/list.rs
+++ b/src/subcommand/list.rs
@@ -6,6 +6,15 @@ pub(crate) struct List {
   outpoint: OutPoint,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub output: OutPoint,
+  pub start: u64,
+  pub size: u64,
+  pub rarity: Rarity,
+  pub name: String,
+}
+
 impl List {
   pub(crate) fn run(self, options: Options) -> Result {
     let index = Index::open(&options)?;
@@ -14,10 +23,19 @@ impl List {
 
     match index.list(self.outpoint)? {
       Some(crate::index::List::Unspent(ranges)) => {
+        let mut outputs = Vec::new();
         for (output, start, size, rarity, name) in list(self.outpoint, ranges) {
-          println!("{output}\t{start}\t{size}\t{rarity}\t{name}");
+          outputs.push(Output {
+            output,
+            start,
+            size,
+            rarity,
+            name,
+          });
         }
 
+        print_json(outputs)?;
+
         Ok(())
       }
       Some(crate::index::List::Spent) => Err(anyhow!("output spent.")),
diff --git a/src/subcommand/parse.rs b/src/subcommand/parse.rs
index 2a6d378ff0..73c815d3de 100644
--- a/src/subcommand/parse.rs
+++ b/src/subcommand/parse.rs
@@ -6,9 +6,16 @@ pub(crate) struct Parse {
   object: Object,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub object: Object,
+}
+
 impl Parse {
   pub(crate) fn run(self) -> Result {
-    println!("{}", self.object);
+    print_json(Output {
+      object: self.object,
+    })?;
     Ok(())
   }
 }
diff --git a/src/subcommand/subsidy.rs b/src/subcommand/subsidy.rs
index 6eb2fe47b7..e293d6d7c6 100644
--- a/src/subcommand/subsidy.rs
+++ b/src/subcommand/subsidy.rs
@@ -6,6 +6,13 @@ pub(crate) struct Subsidy {
   height: Height,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub first: u64,
+  pub subsidy: u64,
+  pub name: String,
+}
+
 impl Subsidy {
   pub(crate) fn run(self) -> Result {
     let first = self.height.starting_sat();
@@ -16,7 +23,11 @@ impl Subsidy {
       bail!("block {} has no subsidy", self.height);
     }
 
-    println!("{}\t{}\t{}", first, self.height.subsidy(), first.name());
+    print_json(Output {
+      first: first.0,
+      subsidy,
+      name: first.name(),
+    })?;
 
     Ok(())
   }
diff --git a/src/subcommand/supply.rs b/src/subcommand/supply.rs
index 801bc744d2..4a4b468cca 100644
--- a/src/subcommand/supply.rs
+++ b/src/subcommand/supply.rs
@@ -1,5 +1,13 @@
 use super::*;
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub supply: u64,
+  pub first: u64,
+  pub last: u64,
+  pub last_mined_in_block: u64,
+}
+
 pub(crate) fn run() -> Result {
   let mut last = 0;
 
@@ -10,10 +18,12 @@ pub(crate) fn run() -> Result {
     last += 1;
   }
 
-  println!("supply: {}", Sat::SUPPLY);
-  println!("first: {}", 0);
-  println!("last: {}", Sat::SUPPLY - 1);
-  println!("last mined in block: {}", last);
+  print_json(Output {
+    supply: Sat::SUPPLY,
+    first: 0,
+    last: Sat::SUPPLY - 1,
+    last_mined_in_block: last,
+  })?;
 
   Ok(())
 }
diff --git a/src/subcommand/traits.rs b/src/subcommand/traits.rs
index 455f01f41c..bfb4999be6 100644
--- a/src/subcommand/traits.rs
+++ b/src/subcommand/traits.rs
@@ -6,71 +6,35 @@ pub(crate) struct Traits {
   sat: Sat,
 }
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Output {
+  pub number: u64,
+  pub decimal: String,
+  pub degree: String,
+  pub name: String,
+  pub height: u64,
+  pub cycle: u64,
+  pub epoch: u64,
+  pub period: u64,
+  pub offset: u64,
+  pub rarity: Rarity,
+}
+
 impl Traits {
   pub(crate) fn run(self) -> Result {
-    print!("{}", self);
-    Ok(())
-  }
-}
+    print_json(Output {
+      number: self.sat.n(),
+      decimal: self.sat.decimal().to_string(),
+      degree: self.sat.degree().to_string(),
+      name: self.sat.name(),
+      height: self.sat.height().0,
+      cycle: self.sat.cycle(),
+      epoch: self.sat.epoch().0,
+      period: self.sat.period(),
+      offset: self.sat.third(),
+      rarity: self.sat.rarity(),
+    })?;
 
-impl Display for Traits {
-  fn fmt(&self, f: &mut Formatter) -> fmt::Result {
-    writeln!(f, "number: {}", self.sat.n())?;
-    writeln!(f, "decimal: {}", self.sat.decimal())?;
-    writeln!(f, "degree: {}", self.sat.degree())?;
-    writeln!(f, "name: {}", self.sat.name())?;
-    writeln!(f, "height: {}", self.sat.height())?;
-    writeln!(f, "cycle: {}", self.sat.cycle())?;
-    writeln!(f, "epoch: {}", self.sat.epoch())?;
-    writeln!(f, "period: {}", self.sat.period())?;
-    writeln!(f, "offset: {}", self.sat.third())?;
-    writeln!(f, "rarity: {}", self.sat.rarity())?;
     Ok(())
   }
 }
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-
-  #[test]
-  fn first() {
-    assert_eq!(
-      Traits { sat: Sat(0) }.to_string(),
-      "\
-number: 0
-decimal: 0.0
-degree: 0°0′0″0‴
-name: nvtdijuwxlp
-height: 0
-cycle: 0
-epoch: 0
-period: 0
-offset: 0
-rarity: mythic
-",
-    );
-  }
-
-  #[test]
-  fn last() {
-    assert_eq!(
-      Traits {
-        sat: Sat(2099999997689999)
-      }
-      .to_string(),
-      "\
-number: 2099999997689999
-decimal: 6929999.0
-degree: 5°209999′1007″0‴
-name: a
-height: 6929999
-cycle: 5
-epoch: 32
-period: 3437
-offset: 0
-rarity: uncommon
-",
-    );
-  }
-}
diff --git a/tests/epochs.rs b/tests/epochs.rs
index aad9f5b927..cb2067b0cc 100644
--- a/tests/epochs.rs
+++ b/tests/epochs.rs
@@ -5,40 +5,42 @@ fn empty() {
   CommandBuilder::new("epochs")
     .expected_stdout(
       "
-        0
-        1050000000000000
-        1575000000000000
-        1837500000000000
-        1968750000000000
-        2034375000000000
-        2067187500000000
-        2083593750000000
-        2091796875000000
-        2095898437500000
-        2097949218750000
-        2098974609270000
-        2099487304530000
-        2099743652160000
-        2099871825870000
-        2099935912620000
-        2099967955890000
-        2099983977420000
-        2099991988080000
-        2099995993410000
-        2099997995970000
-        2099998997250000
-        2099999497890000
-        2099999748210000
-        2099999873370000
-        2099999935950000
-        2099999967240000
-        2099999982780000
-        2099999990550000
-        2099999994330000
-        2099999996220000
-        2099999997060000
-        2099999997480000
+      [
+        0,
+        1050000000000000,
+        1575000000000000,
+        1837500000000000,
+        1968750000000000,
+        2034375000000000,
+        2067187500000000,
+        2083593750000000,
+        2091796875000000,
+        2095898437500000,
+        2097949218750000,
+        2098974609270000,
+        2099487304530000,
+        2099743652160000,
+        2099871825870000,
+        2099935912620000,
+        2099967955890000,
+        2099983977420000,
+        2099991988080000,
+        2099995993410000,
+        2099997995970000,
+        2099998997250000,
+        2099999497890000,
+        2099999748210000,
+        2099999873370000,
+        2099999935950000,
+        2099999967240000,
+        2099999982780000,
+        2099999990550000,
+        2099999994330000,
+        2099999996220000,
+        2099999997060000,
+        2099999997480000,
         2099999997690000
+      ]
       "
       .unindent(),
     )
diff --git a/tests/find.rs b/tests/find.rs
index 04474560c0..ab8739761c 100644
--- a/tests/find.rs
+++ b/tests/find.rs
@@ -1,12 +1,18 @@
-use super::*;
+use {super::*, ord::subcommand::find::Output};
 
 #[test]
 fn find_command_returns_satpoint_for_sat() {
   let rpc_server = test_bitcoincore_rpc::spawn();
-  CommandBuilder::new("--index-sats find 0")
-    .rpc_server(&rpc_server)
-    .expected_stdout("4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b:0:0\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("--index-sats find 0")
+      .rpc_server(&rpc_server)
+      .output::<Output>(),
+    Output {
+      satpoint: "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b:0:0"
+        .parse()
+        .unwrap()
+    }
+  );
 }
 
 #[test]
diff --git a/tests/info.rs b/tests/info.rs
index 74b8b1e83f..f3b1518a65 100644
--- a/tests/info.rs
+++ b/tests/info.rs
@@ -1,4 +1,4 @@
-use super::*;
+use {super::*, ord::subcommand::info::TransactionsOutput};
 
 #[test]
 fn json_with_satoshi_index() {
@@ -72,33 +72,37 @@ fn transactions() {
 
   let index_path = tempdir.path().join("index.redb");
 
-  CommandBuilder::new(format!(
+  assert!(CommandBuilder::new(format!(
     "--index {} info --transactions",
     index_path.display()
   ))
   .rpc_server(&rpc_server)
-  .expected_stdout("start\tend\tcount\telapsed\n")
-  .run();
+  .output::<Vec<TransactionsOutput>>()
+  .is_empty());
 
   rpc_server.mine_blocks(10);
 
-  CommandBuilder::new(format!(
+  let output = CommandBuilder::new(format!(
     "--index {} info --transactions",
     index_path.display()
   ))
   .rpc_server(&rpc_server)
-  .stdout_regex("start\tend\tcount\telapsed\n0\t1\t1\t\\d+\\.\\d+\n")
-  .run();
+  .output::<Vec<TransactionsOutput>>();
+
+  assert_eq!(output[0].start, 0);
+  assert_eq!(output[0].end, 1);
+  assert_eq!(output[0].count, 1);
 
   rpc_server.mine_blocks(10);
 
-  CommandBuilder::new(format!(
+  let output = CommandBuilder::new(format!(
     "--index {} info --transactions",
     index_path.display()
   ))
   .rpc_server(&rpc_server)
-  .expected_stdout("start\tend\tcount\telapsed\n")
-  .stdout_regex("start\tend\tcount\telapsed\n0\t1\t1\t\\d+\\.\\d+\n")
-  .stdout_regex("start\tend\tcount\telapsed\n0\t1\t1\t\\d+\\.\\d+\n1\t11\t10\t\\d+\\.\\d+\n")
-  .run();
+  .output::<Vec<TransactionsOutput>>();
+
+  assert_eq!(output[1].start, 1);
+  assert_eq!(output[1].end, 11);
+  assert_eq!(output[1].count, 10);
 }
diff --git a/tests/list.rs b/tests/list.rs
index 646b99ad13..db8660d36d 100644
--- a/tests/list.rs
+++ b/tests/list.rs
@@ -1,14 +1,26 @@
-use super::*;
+use {super::*, ord::subcommand::list::Output};
 
 #[test]
 fn output_found() {
   let rpc_server = test_bitcoincore_rpc::spawn();
-  CommandBuilder::new(
+  let output = CommandBuilder::new(
     "--index-sats list 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b:0",
   )
   .rpc_server(&rpc_server)
-  .expected_stdout("4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b:0\t0\t5000000000\tmythic\tnvtdijuwxlp\n")
-  .run();
+  .output::<Vec<Output>>();
+
+  assert_eq!(
+    output,
+    vec![Output {
+      output: "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b:0"
+        .parse()
+        .unwrap(),
+      start: 0,
+      size: 50 * COIN_VALUE,
+      rarity: "mythic".parse().unwrap(),
+      name: "nvtdijuwxlp".into(),
+    }]
+  );
 }
 
 #[test]
diff --git a/tests/parse.rs b/tests/parse.rs
index 0eac9abed2..a4cb3ecaed 100644
--- a/tests/parse.rs
+++ b/tests/parse.rs
@@ -1,17 +1,26 @@
-use super::*;
+use {super::*, ord::subcommand::parse::Output, ord::Object};
 
 #[test]
 fn name() {
-  CommandBuilder::new("parse a")
-    .expected_stdout("2099999997689999\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("parse a").output::<Output>(),
+    Output {
+      object: Object::Integer(2099999997689999),
+    }
+  );
 }
 
 #[test]
 fn hash() {
-  CommandBuilder::new("parse 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
-    .expected_stdout("0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("parse 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
+      .output::<Output>(),
+    Output {
+      object: "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+        .parse::<Object>()
+        .unwrap(),
+    }
+  );
 }
 
 #[test]
diff --git a/tests/subsidy.rs b/tests/subsidy.rs
index f1a037e10b..b84b14333d 100644
--- a/tests/subsidy.rs
+++ b/tests/subsidy.rs
@@ -1,31 +1,51 @@
-use super::*;
+use {super::*, ord::subcommand::subsidy::Output};
 
 #[test]
 fn genesis() {
-  CommandBuilder::new("subsidy 0")
-    .expected_stdout("0\t5000000000\tnvtdijuwxlp\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("subsidy 0").output::<Output>(),
+    Output {
+      first: 0,
+      subsidy: 5000000000,
+      name: "nvtdijuwxlp".into(),
+    }
+  );
 }
 
 #[test]
 fn second_block() {
-  CommandBuilder::new("subsidy 1")
-    .expected_stdout("5000000000\t5000000000\tnvtcsezkbth\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("subsidy 1").output::<Output>(),
+    Output {
+      first: 5000000000,
+      subsidy: 5000000000,
+      name: "nvtcsezkbth".into(),
+    }
+  );
 }
 
 #[test]
 fn second_to_last_block_with_subsidy() {
-  CommandBuilder::new("subsidy 6929998")
-    .expected_stdout("2099999997689998\t1\tb\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("subsidy 6929998").output::<Output>(),
+    Output {
+      first: 2099999997689998,
+      subsidy: 1,
+      name: "b".into(),
+    }
+  );
 }
 
 #[test]
 fn last_block_with_subsidy() {
-  CommandBuilder::new("subsidy 6929999")
-    .expected_stdout("2099999997689999\t1\ta\n")
-    .run();
+  assert_eq!(
+    CommandBuilder::new("subsidy 6929999").output::<Output>(),
+    Output {
+      first: 2099999997689999,
+      subsidy: 1,
+      name: "a".into(),
+    }
+  );
 }
 
 #[test]
diff --git a/tests/supply.rs b/tests/supply.rs
index 10c4d9679a..89f1a63d00 100644
--- a/tests/supply.rs
+++ b/tests/supply.rs
@@ -1,16 +1,14 @@
-use super::*;
+use {super::*, ord::subcommand::supply::Output};
 
 #[test]
 fn genesis() {
-  CommandBuilder::new("supply")
-    .expected_stdout(
-      "
-        supply: 2099999997690000
-        first: 0
-        last: 2099999997689999
-        last mined in block: 6929999
-      "
-      .unindent(),
-    )
-    .run();
+  assert_eq!(
+    CommandBuilder::new("supply").output::<Output>(),
+    Output {
+      supply: 2099999997690000,
+      first: 0,
+      last: 2099999997689999,
+      last_mined_in_block: 6929999
+    }
+  );
 }
diff --git a/tests/traits.rs b/tests/traits.rs
index a4a7f13f9b..5ac00d8074 100644
--- a/tests/traits.rs
+++ b/tests/traits.rs
@@ -1,21 +1,38 @@
-use super::*;
+use {super::*, ord::subcommand::traits::Output, ord::Rarity};
 
 #[test]
 fn traits_command_prints_sat_traits() {
-  CommandBuilder::new("traits 0")
-    .expected_stdout(
-      "\
-number: 0
-decimal: 0.0
-degree: 0°0′0″0‴
-name: nvtdijuwxlp
-height: 0
-cycle: 0
-epoch: 0
-period: 0
-offset: 0
-rarity: mythic
-",
-    )
-    .run();
+  assert_eq!(
+    CommandBuilder::new("traits 0").output::<Output>(),
+    Output {
+      number: 0,
+      decimal: "0.0".into(),
+      degree: "0°0′0″0‴".into(),
+      name: "nvtdijuwxlp".into(),
+      height: 0,
+      cycle: 0,
+      epoch: 0,
+      period: 0,
+      offset: 0,
+      rarity: Rarity::Mythic,
+    }
+  );
+}
+#[test]
+fn traits_command_for_last_sat() {
+  assert_eq!(
+    CommandBuilder::new("traits 2099999997689999").output::<Output>(),
+    Output {
+      number: 2099999997689999,
+      decimal: "6929999.0".into(),
+      degree: "5°209999′1007″0‴".into(),
+      name: "a".into(),
+      height: 6929999,
+      cycle: 5,
+      epoch: 32,
+      period: 3437,
+      offset: 0,
+      rarity: Rarity::Uncommon,
+    }
+  );
 }

From 8bcd1a6d2acca32092311129c866007ad5a37fde Mon Sep 17 00:00:00 2001
From: raphjaph <raphjaph@protonmail.com>
Date: Wed, 25 Jan 2023 23:01:47 +0100
Subject: [PATCH 2/3] fix test

---
 src/subcommand.rs        |  2 +-
 src/subcommand/epochs.rs |  8 ++--
 tests/epochs.rs          | 84 ++++++++++++++++++++--------------------
 3 files changed, 46 insertions(+), 48 deletions(-)

diff --git a/src/subcommand.rs b/src/subcommand.rs
index 5f93fd6685..cc1848b252 100644
--- a/src/subcommand.rs
+++ b/src/subcommand.rs
@@ -1,6 +1,6 @@
 use super::*;
 
-mod epochs;
+pub mod epochs;
 pub mod find;
 mod index;
 pub mod info;
diff --git a/src/subcommand/epochs.rs b/src/subcommand/epochs.rs
index 91c5e2e012..53293cb025 100644
--- a/src/subcommand/epochs.rs
+++ b/src/subcommand/epochs.rs
@@ -2,16 +2,16 @@ use super::*;
 
 #[derive(Debug, PartialEq, Serialize, Deserialize)]
 pub struct Output {
-  pub sat: Sat,
+  pub starting_sats: Vec<Sat>,
 }
 
 pub(crate) fn run() -> Result {
-  let mut output = Vec::new();
+  let mut starting_sats = Vec::new();
   for sat in Epoch::STARTING_SATS {
-    output.push(sat);
+    starting_sats.push(sat);
   }
 
-  print_json(output)?;
+  print_json(Output { starting_sats })?;
 
   Ok(())
 }
diff --git a/tests/epochs.rs b/tests/epochs.rs
index cb2067b0cc..d98c9d0ccf 100644
--- a/tests/epochs.rs
+++ b/tests/epochs.rs
@@ -1,48 +1,46 @@
-use super::*;
+use {super::*, ord::subcommand::epochs::Output, ord::Sat};
 
 #[test]
 fn empty() {
-  CommandBuilder::new("epochs")
-    .expected_stdout(
-      "
-      [
-        0,
-        1050000000000000,
-        1575000000000000,
-        1837500000000000,
-        1968750000000000,
-        2034375000000000,
-        2067187500000000,
-        2083593750000000,
-        2091796875000000,
-        2095898437500000,
-        2097949218750000,
-        2098974609270000,
-        2099487304530000,
-        2099743652160000,
-        2099871825870000,
-        2099935912620000,
-        2099967955890000,
-        2099983977420000,
-        2099991988080000,
-        2099995993410000,
-        2099997995970000,
-        2099998997250000,
-        2099999497890000,
-        2099999748210000,
-        2099999873370000,
-        2099999935950000,
-        2099999967240000,
-        2099999982780000,
-        2099999990550000,
-        2099999994330000,
-        2099999996220000,
-        2099999997060000,
-        2099999997480000,
-        2099999997690000
+  assert_eq!(
+    CommandBuilder::new("epochs").output::<Output>(),
+    Output {
+      starting_sats: vec![
+        Sat(0),
+        Sat(1050000000000000),
+        Sat(1575000000000000),
+        Sat(1837500000000000),
+        Sat(1968750000000000),
+        Sat(2034375000000000),
+        Sat(2067187500000000),
+        Sat(2083593750000000),
+        Sat(2091796875000000),
+        Sat(2095898437500000),
+        Sat(2097949218750000),
+        Sat(2098974609270000),
+        Sat(2099487304530000),
+        Sat(2099743652160000),
+        Sat(2099871825870000),
+        Sat(2099935912620000),
+        Sat(2099967955890000),
+        Sat(2099983977420000),
+        Sat(2099991988080000),
+        Sat(2099995993410000),
+        Sat(2099997995970000),
+        Sat(2099998997250000),
+        Sat(2099999497890000),
+        Sat(2099999748210000),
+        Sat(2099999873370000),
+        Sat(2099999935950000),
+        Sat(2099999967240000),
+        Sat(2099999982780000),
+        Sat(2099999990550000),
+        Sat(2099999994330000),
+        Sat(2099999996220000),
+        Sat(2099999997060000),
+        Sat(2099999997480000),
+        Sat(2099999997690000)
       ]
-      "
-      .unindent(),
-    )
-    .run();
+    }
+  );
 }

From 06e6ca2b54dea8c80a8f7ba9c3031fb7a5d91e2e Mon Sep 17 00:00:00 2001
From: raphjaph <raphjaph@protonmail.com>
Date: Wed, 25 Jan 2023 23:09:49 +0100
Subject: [PATCH 3/3] quick fix

---
 tests/command_builder.rs | 7 -------
 tests/lib.rs             | 1 -
 2 files changed, 8 deletions(-)

diff --git a/tests/command_builder.rs b/tests/command_builder.rs
index d983b07caa..b6bb0153c8 100644
--- a/tests/command_builder.rs
+++ b/tests/command_builder.rs
@@ -61,13 +61,6 @@ impl CommandBuilder {
     }
   }
 
-  pub(crate) fn expected_stdout(self, expected_stdout: impl AsRef<str>) -> Self {
-    Self {
-      expected_stdout: Expected::String(expected_stdout.as_ref().to_owned()),
-      ..self
-    }
-  }
-
   pub(crate) fn stdout_regex(self, expected_stdout: impl AsRef<str>) -> Self {
     Self {
       expected_stdout: Expected::regex(expected_stdout.as_ref()),
diff --git a/tests/lib.rs b/tests/lib.rs
index 8ee8659842..710e6b2a88 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -20,7 +20,6 @@ use {
   },
   tempfile::TempDir,
   test_bitcoincore_rpc::Sent,
-  unindent::Unindent,
 };
 
 macro_rules! assert_regex_match {